QGIS API Documentation  3.20.0-Odense (decaadbb31)
qgslayoutlegendwidget.cpp
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1 /***************************************************************************
2  qgslayoutlegendwidget.cpp
3  -------------------------
4  begin : October 2017
5  copyright : (C) 2017 by Nyall Dawson
6  email : nyall dot dawson at gmail dot com
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #include "qgslayoutlegendwidget.h"
19 #include "qgslayoutitemlegend.h"
20 #include "qgslayoutlegendlayersdialog.h"
21 #include "qgslayoutitemwidget.h"
22 #include "qgslayoutitemmap.h"
23 #include "qgslayout.h"
24 #include "qgsguiutils.h"
25 
26 #include "qgsapplication.h"
27 #include "qgslayertree.h"
28 #include "qgslayertreeutils.h"
29 #include "qgslayertreemodel.h"
30 #include "qgslayertreemodellegendnode.h"
31 #include "qgslegendrenderer.h"
32 #include "qgsmapcanvas.h"
33 #include "qgsmaplayerlegend.h"
34 #include "qgsproject.h"
35 #include "qgsrenderer.h"
36 #include "qgsvectorlayer.h"
37 #include "qgslayoutatlas.h"
38 #include "qgslayoutitemlegend.h"
39 #include "qgslayoutmeasurementconverter.h"
40 #include "qgsunittypes.h"
41 #include "qgsexpressionbuilderdialog.h"
42 #include "qgsexpressioncontextutils.h"
43 #include "qgslegendpatchshapewidget.h"
44 #include "qgslayertreefilterproxymodel.h"
45 #include "qgscolorramplegendnodewidget.h"
46 
47 #include <QMenu>
48 #include <QMessageBox>
49 #include <QInputDialog>
50 
52 
53 Q_GUI_EXPORT extern int qt_defaultDpiX();
54 
55 static int _unfilteredLegendNodeIndex( QgsLayerTreeModelLegendNode *legendNode )
56 {
57  return legendNode->model()->layerOriginalLegendNodes( legendNode->layerNode() ).indexOf( legendNode );
58 }
59 
60 static int _originalLegendNodeIndex( QgsLayerTreeModelLegendNode *legendNode )
61 {
62  // figure out index of the legend node as it comes out of the map layer legend.
63  // first legend nodes may be reordered, output of that is available in layerOriginalLegendNodes().
64  // next the nodes may be further filtered (by scale, map content etc).
65  // so here we go in reverse order: 1. find index before filtering, 2. find index before reorder
66  int unfilteredNodeIndex = _unfilteredLegendNodeIndex( legendNode );
67  QList<int> order = QgsMapLayerLegendUtils::legendNodeOrder( legendNode->layerNode() );
68  return ( unfilteredNodeIndex >= 0 && unfilteredNodeIndex < order.count() ? order[unfilteredNodeIndex] : -1 );
69 }
70 
71 
72 QgsLayoutLegendWidget::QgsLayoutLegendWidget( QgsLayoutItemLegend *legend, QgsMapCanvas *mapCanvas )
73  : QgsLayoutItemBaseWidget( nullptr, legend )
74  , mLegend( legend )
75  , mMapCanvas( mapCanvas )
76 {
77  Q_ASSERT( mLegend );
78 
79  setupUi( this );
80  connect( mWrapCharLineEdit, &QLineEdit::textChanged, this, &QgsLayoutLegendWidget::mWrapCharLineEdit_textChanged );
81  connect( mTitleLineEdit, &QLineEdit::textChanged, this, &QgsLayoutLegendWidget::mTitleLineEdit_textChanged );
82  connect( mTitleAlignCombo, &QgsAlignmentComboBox::changed, this, &QgsLayoutLegendWidget::titleAlignmentChanged );
83  connect( mGroupAlignCombo, &QgsAlignmentComboBox::changed, this, &QgsLayoutLegendWidget::groupAlignmentChanged );
84  connect( mSubgroupAlignCombo, &QgsAlignmentComboBox::changed, this, &QgsLayoutLegendWidget::subgroupAlignmentChanged );
85  connect( mItemAlignCombo, &QgsAlignmentComboBox::changed, this, &QgsLayoutLegendWidget::itemAlignmentChanged );
86  connect( mColumnCountSpinBox, static_cast < void ( QSpinBox::* )( int ) > ( &QSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mColumnCountSpinBox_valueChanged );
87  connect( mSplitLayerCheckBox, &QCheckBox::toggled, this, &QgsLayoutLegendWidget::mSplitLayerCheckBox_toggled );
88  connect( mEqualColumnWidthCheckBox, &QCheckBox::toggled, this, &QgsLayoutLegendWidget::mEqualColumnWidthCheckBox_toggled );
89  connect( mSymbolWidthSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mSymbolWidthSpinBox_valueChanged );
90  connect( mSymbolHeightSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mSymbolHeightSpinBox_valueChanged );
91  connect( mMaxSymbolSizeSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mMaxSymbolSizeSpinBox_valueChanged );
92  connect( mMinSymbolSizeSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mMinSymbolSizeSpinBox_valueChanged );
93  connect( mWmsLegendWidthSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mWmsLegendWidthSpinBox_valueChanged );
94  connect( mWmsLegendHeightSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mWmsLegendHeightSpinBox_valueChanged );
95  connect( mTitleSpaceBottomSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mTitleSpaceBottomSpinBox_valueChanged );
96  connect( mGroupSpaceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mGroupSpaceSpinBox_valueChanged );
97  connect( mSpaceBelowGroupHeadingSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::spaceBelowGroupHeadingChanged );
98  connect( mGroupSideSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::spaceGroupSideChanged );
99  connect( mLayerSpaceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mLayerSpaceSpinBox_valueChanged );
100  connect( mSpaceBelowSubgroupHeadingSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::spaceBelowSubGroupHeadingChanged );
101  connect( mSubgroupSideSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::spaceSubGroupSideChanged );
102  connect( mSymbolSpaceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mSymbolSpaceSpinBox_valueChanged );
103  connect( mSymbolSideSpaceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::spaceSymbolSideChanged );
104  connect( mIconLabelSpaceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mIconLabelSpaceSpinBox_valueChanged );
105  connect( mFontColorButton, &QgsColorButton::colorChanged, this, &QgsLayoutLegendWidget::mFontColorButton_colorChanged );
106  connect( mBoxSpaceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mBoxSpaceSpinBox_valueChanged );
107  connect( mColumnSpaceSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mColumnSpaceSpinBox_valueChanged );
108  connect( mLineSpacingSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mLineSpacingSpinBox_valueChanged );
109  connect( mCheckBoxAutoUpdate, &QCheckBox::stateChanged, this, [ = ]( int state ) { mCheckBoxAutoUpdate_stateChanged( state ); } );
110  connect( mCheckboxResizeContents, &QCheckBox::toggled, this, &QgsLayoutLegendWidget::mCheckboxResizeContents_toggled );
111  connect( mRasterStrokeGroupBox, &QgsCollapsibleGroupBoxBasic::toggled, this, &QgsLayoutLegendWidget::mRasterStrokeGroupBox_toggled );
112  connect( mRasterStrokeWidthSpinBox, static_cast < void ( QDoubleSpinBox::* )( double ) > ( &QDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendWidget::mRasterStrokeWidthSpinBox_valueChanged );
113  connect( mRasterStrokeColorButton, &QgsColorButton::colorChanged, this, &QgsLayoutLegendWidget::mRasterStrokeColorButton_colorChanged );
114  connect( mMoveDownToolButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mMoveDownToolButton_clicked );
115  connect( mMoveUpToolButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mMoveUpToolButton_clicked );
116  connect( mRemoveToolButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mRemoveToolButton_clicked );
117  connect( mAddToolButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mAddToolButton_clicked );
118  connect( mEditPushButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mEditPushButton_clicked );
119  connect( mCountToolButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mCountToolButton_clicked );
120  connect( mExpressionFilterButton, &QgsLegendFilterButton::toggled, this, &QgsLayoutLegendWidget::mExpressionFilterButton_toggled );
121  connect( mLayerExpressionButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mLayerExpressionButton_clicked );
122  connect( mFilterByMapCheckBox, &QCheckBox::toggled, this, &QgsLayoutLegendWidget::mFilterByMapCheckBox_toggled );
123  connect( mUpdateAllPushButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mUpdateAllPushButton_clicked );
124  connect( mAddGroupToolButton, &QToolButton::clicked, this, &QgsLayoutLegendWidget::mAddGroupToolButton_clicked );
125  connect( mFilterLegendByAtlasCheckBox, &QCheckBox::toggled, this, &QgsLayoutLegendWidget::mFilterLegendByAtlasCheckBox_toggled );
126  connect( mItemTreeView, &QgsLayerTreeView::doubleClicked, this, &QgsLayoutLegendWidget::mItemTreeView_doubleClicked );
127  setPanelTitle( tr( "Legend Properties" ) );
128 
129  mTitleFontButton->setMode( QgsFontButton::ModeQFont );
130  mGroupFontButton->setMode( QgsFontButton::ModeQFont );
131  mLayerFontButton->setMode( QgsFontButton::ModeQFont );
132  mItemFontButton->setMode( QgsFontButton::ModeQFont );
133 
134  mTitleAlignCombo->setAvailableAlignments( Qt::AlignLeft | Qt::AlignHCenter | Qt::AlignRight );
135  mGroupAlignCombo->setAvailableAlignments( Qt::AlignLeft | Qt::AlignHCenter | Qt::AlignRight );
136  mSubgroupAlignCombo->setAvailableAlignments( Qt::AlignLeft | Qt::AlignHCenter | Qt::AlignRight );
137  mItemAlignCombo->setAvailableAlignments( Qt::AlignLeft | Qt::AlignHCenter | Qt::AlignRight );
138 
139  mArrangementCombo->setAvailableAlignments( Qt::AlignLeft | Qt::AlignRight );
140  connect( mArrangementCombo, &QgsAlignmentComboBox::changed, this, &QgsLayoutLegendWidget::arrangementChanged );
141  mArrangementCombo->customizeAlignmentDisplay( Qt::AlignLeft, tr( "Symbols on Left" ), QgsApplication::getThemeIcon( QStringLiteral( "/mIconArrangeSymbolsLeft.svg" ) ) );
142  mArrangementCombo->customizeAlignmentDisplay( Qt::AlignRight, tr( "Symbols on Right" ), QgsApplication::getThemeIcon( QStringLiteral( "/mIconArrangeSymbolsRight.svg" ) ) );
143 
144  mSpaceBelowGroupHeadingSpinBox->setClearValue( 0 );
145  mGroupSideSpinBox->setClearValue( 0 );
146  mSpaceBelowSubgroupHeadingSpinBox->setClearValue( 0 );
147  mSubgroupSideSpinBox->setClearValue( 0 );
148  mSymbolSideSpaceSpinBox->setClearValue( 0 );
149 
150  // setup icons
151  mAddToolButton->setIcon( QIcon( QgsApplication::iconPath( "symbologyAdd.svg" ) ) );
152  mEditPushButton->setIcon( QIcon( QgsApplication::iconPath( "symbologyEdit.svg" ) ) );
153  mRemoveToolButton->setIcon( QIcon( QgsApplication::iconPath( "symbologyRemove.svg" ) ) );
154  mMoveUpToolButton->setIcon( QIcon( QgsApplication::iconPath( "mActionArrowUp.svg" ) ) );
155  mMoveDownToolButton->setIcon( QIcon( QgsApplication::iconPath( "mActionArrowDown.svg" ) ) );
156  mCountToolButton->setIcon( QIcon( QgsApplication::iconPath( "mActionSum.svg" ) ) );
157  mLayerExpressionButton->setIcon( QIcon( QgsApplication::iconPath( "mIconExpression.svg" ) ) );
158 
159  mMoveDownToolButton->setIconSize( QgsGuiUtils::iconSize( true ) );
160  mMoveUpToolButton->setIconSize( QgsGuiUtils::iconSize( true ) );
161  mAddGroupToolButton->setIconSize( QgsGuiUtils::iconSize( true ) );
162  mAddToolButton->setIconSize( QgsGuiUtils::iconSize( true ) );
163  mRemoveToolButton->setIconSize( QgsGuiUtils::iconSize( true ) );
164  mEditPushButton->setIconSize( QgsGuiUtils::iconSize( true ) );
165  mCountToolButton->setIconSize( QgsGuiUtils::iconSize( true ) );
166  mExpressionFilterButton->setIconSize( QgsGuiUtils::iconSize( true ) );
167  mLayerExpressionButton->setIconSize( QgsGuiUtils::iconSize( true ) );
168 
169  mFontColorButton->setColorDialogTitle( tr( "Select Font Color" ) );
170  mFontColorButton->setContext( QStringLiteral( "composer" ) );
171 
172  mRasterStrokeColorButton->setColorDialogTitle( tr( "Select Stroke Color" ) );
173  mRasterStrokeColorButton->setAllowOpacity( true );
174  mRasterStrokeColorButton->setContext( QStringLiteral( "composer " ) );
175 
176  mMapComboBox->setCurrentLayout( legend->layout() );
177  mMapComboBox->setItemType( QgsLayoutItemRegistry::LayoutMap );
178  connect( mMapComboBox, &QgsLayoutItemComboBox::itemChanged, this, &QgsLayoutLegendWidget::composerMapChanged );
179 
180  //add widget for general composer item properties
181  mItemPropertiesWidget = new QgsLayoutItemPropertiesWidget( this, legend );
182  mainLayout->addWidget( mItemPropertiesWidget );
183 
184  mItemTreeView->setHeaderHidden( true );
185 
186  mItemTreeView->setModel( legend->model() );
187  mItemTreeView->setMenuProvider( new QgsLayoutLegendMenuProvider( mItemTreeView, this ) );
188  setLegendMapViewData();
189  connect( legend, &QgsLayoutObject::changed, this, &QgsLayoutLegendWidget::setGuiElements );
190 
191  // connect atlas state to the filter legend by atlas checkbox
192  if ( layoutAtlas() )
193  {
194  connect( layoutAtlas(), &QgsLayoutAtlas::toggled, this, &QgsLayoutLegendWidget::updateFilterLegendByAtlasButton );
195  }
196  connect( &legend->layout()->reportContext(), &QgsLayoutReportContext::layerChanged, this, &QgsLayoutLegendWidget::updateFilterLegendByAtlasButton );
197 
198  registerDataDefinedButton( mLegendTitleDDBtn, QgsLayoutObject::LegendTitle );
199  registerDataDefinedButton( mColumnsDDBtn, QgsLayoutObject::LegendColumnCount );
200 
201  setGuiElements();
202 
203  connect( mItemTreeView->selectionModel(), &QItemSelectionModel::currentChanged,
204  this, &QgsLayoutLegendWidget::selectedChanged );
205  connect( mTitleFontButton, &QgsFontButton::changed, this, &QgsLayoutLegendWidget::titleFontChanged );
206  connect( mGroupFontButton, &QgsFontButton::changed, this, &QgsLayoutLegendWidget::groupFontChanged );
207  connect( mLayerFontButton, &QgsFontButton::changed, this, &QgsLayoutLegendWidget::layerFontChanged );
208  connect( mItemFontButton, &QgsFontButton::changed, this, &QgsLayoutLegendWidget::itemFontChanged );
209 }
210 
211 void QgsLayoutLegendWidget::setMasterLayout( QgsMasterLayoutInterface *masterLayout )
212 {
213  if ( mItemPropertiesWidget )
214  mItemPropertiesWidget->setMasterLayout( masterLayout );
215 }
216 
217 void QgsLayoutLegendWidget::setGuiElements()
218 {
219  if ( !mLegend )
220  {
221  return;
222  }
223 
224  blockAllSignals( true );
225  mTitleLineEdit->setText( mLegend->title() );
226  whileBlocking( mTitleAlignCombo )->setCurrentAlignment( mLegend->titleAlignment() );
227  whileBlocking( mGroupAlignCombo )->setCurrentAlignment( mLegend->style( QgsLegendStyle::Group ).alignment() );
228  whileBlocking( mSubgroupAlignCombo )->setCurrentAlignment( mLegend->style( QgsLegendStyle::Subgroup ).alignment() );
229  whileBlocking( mItemAlignCombo )->setCurrentAlignment( mLegend->style( QgsLegendStyle::SymbolLabel ).alignment() );
230  whileBlocking( mArrangementCombo )->setCurrentAlignment( mLegend->symbolAlignment() );
231  mFilterByMapCheckBox->setChecked( mLegend->legendFilterByMapEnabled() );
232  mColumnCountSpinBox->setValue( mLegend->columnCount() );
233  mSplitLayerCheckBox->setChecked( mLegend->splitLayer() );
234  mEqualColumnWidthCheckBox->setChecked( mLegend->equalColumnWidth() );
235  mSymbolWidthSpinBox->setValue( mLegend->symbolWidth() );
236  mSymbolHeightSpinBox->setValue( mLegend->symbolHeight() );
237  mMaxSymbolSizeSpinBox->setValue( mLegend->maximumSymbolSize() );
238  mMinSymbolSizeSpinBox->setValue( mLegend->minimumSymbolSize() );
239  mWmsLegendWidthSpinBox->setValue( mLegend->wmsLegendWidth() );
240  mWmsLegendHeightSpinBox->setValue( mLegend->wmsLegendHeight() );
241  mTitleSpaceBottomSpinBox->setValue( mLegend->style( QgsLegendStyle::Title ).margin( QgsLegendStyle::Bottom ) );
242  mGroupSpaceSpinBox->setValue( mLegend->style( QgsLegendStyle::Group ).margin( QgsLegendStyle::Top ) );
243  mGroupSideSpinBox->setValue( mLegend->style( QgsLegendStyle::Group ).margin( QgsLegendStyle::Left ) );
244  mSpaceBelowGroupHeadingSpinBox->setValue( mLegend->style( QgsLegendStyle::Group ).margin( QgsLegendStyle::Bottom ) );
245  mLayerSpaceSpinBox->setValue( mLegend->style( QgsLegendStyle::Subgroup ).margin( QgsLegendStyle::Top ) );
246  mSpaceBelowSubgroupHeadingSpinBox->setValue( mLegend->style( QgsLegendStyle::Subgroup ).margin( QgsLegendStyle::Bottom ) );
247  mSubgroupSideSpinBox->setValue( mLegend->style( QgsLegendStyle::Subgroup ).margin( QgsLegendStyle::Left ) );
248  // We keep Symbol and SymbolLabel Top in sync for now
249  mSymbolSpaceSpinBox->setValue( mLegend->style( QgsLegendStyle::Symbol ).margin( QgsLegendStyle::Top ) );
250  mIconLabelSpaceSpinBox->setValue( mLegend->style( QgsLegendStyle::SymbolLabel ).margin( QgsLegendStyle::Left ) );
251  mSymbolSideSpaceSpinBox->setValue( mLegend->style( QgsLegendStyle::Symbol ).margin( QgsLegendStyle::Left ) );
252  mBoxSpaceSpinBox->setValue( mLegend->boxSpace() );
253  mColumnSpaceSpinBox->setValue( mLegend->columnSpace() );
254  mLineSpacingSpinBox->setValue( mLegend->lineSpacing() );
255 
256  mRasterStrokeGroupBox->setChecked( mLegend->drawRasterStroke() );
257  mRasterStrokeWidthSpinBox->setValue( mLegend->rasterStrokeWidth() );
258  mRasterStrokeColorButton->setColor( mLegend->rasterStrokeColor() );
259 
260  mCheckBoxAutoUpdate->setChecked( mLegend->autoUpdateModel() );
261 
262  mCheckboxResizeContents->setChecked( mLegend->resizeToContents() );
263  mFilterLegendByAtlasCheckBox->setChecked( mLegend->legendFilterOutAtlas() );
264  mWrapCharLineEdit->setText( mLegend->wrapString() );
265 
266  QgsLayoutItemMap *map = mLegend->linkedMap();
267  mMapComboBox->setItem( map );
268  mFontColorButton->setColor( mLegend->fontColor() );
269  mTitleFontButton->setCurrentFont( mLegend->style( QgsLegendStyle::Title ).font() );
270  mGroupFontButton->setCurrentFont( mLegend->style( QgsLegendStyle::Group ).font() );
271  mLayerFontButton->setCurrentFont( mLegend->style( QgsLegendStyle::Subgroup ).font() );
272  mItemFontButton->setCurrentFont( mLegend->style( QgsLegendStyle::SymbolLabel ).font() );
273 
274  blockAllSignals( false );
275 
276  mCheckBoxAutoUpdate_stateChanged( mLegend->autoUpdateModel() ? Qt::Checked : Qt::Unchecked, false );
277  updateDataDefinedButton( mLegendTitleDDBtn );
278  updateDataDefinedButton( mColumnsDDBtn );
279 }
280 
281 void QgsLayoutLegendWidget::mWrapCharLineEdit_textChanged( const QString &text )
282 {
283  if ( mLegend )
284  {
285  mLegend->beginCommand( tr( "Change Legend Wrap" ) );
286  mLegend->setWrapString( text );
287  mLegend->adjustBoxSize();
288  mLegend->update();
289  mLegend->endCommand();
290  }
291 }
292 
293 void QgsLayoutLegendWidget::mTitleLineEdit_textChanged( const QString &text )
294 {
295  if ( mLegend )
296  {
297  mLegend->beginCommand( tr( "Change Legend Title" ), QgsLayoutItem::UndoLegendText );
298  mLegend->setTitle( text );
299  mLegend->adjustBoxSize();
300  mLegend->update();
301  mLegend->endCommand();
302  }
303 }
304 
305 void QgsLayoutLegendWidget::titleAlignmentChanged()
306 {
307  if ( mLegend )
308  {
309  Qt::AlignmentFlag alignment = static_cast< Qt::AlignmentFlag >( static_cast< int >( mTitleAlignCombo->currentAlignment() & Qt::AlignHorizontal_Mask ) );
310  mLegend->beginCommand( tr( "Change Title Alignment" ) );
311  mLegend->setTitleAlignment( alignment );
312  mLegend->update();
313  mLegend->endCommand();
314  }
315 }
316 
317 void QgsLayoutLegendWidget::groupAlignmentChanged()
318 {
319  if ( mLegend )
320  {
321  mLegend->beginCommand( tr( "Change Group Alignment" ) );
322  mLegend->rstyle( QgsLegendStyle::Group ).setAlignment( mGroupAlignCombo->currentAlignment() );
323  mLegend->update();
324  mLegend->endCommand();
325  }
326 }
327 
328 void QgsLayoutLegendWidget::subgroupAlignmentChanged()
329 {
330  if ( mLegend )
331  {
332  mLegend->beginCommand( tr( "Change Subgroup Alignment" ) );
333  mLegend->rstyle( QgsLegendStyle::Subgroup ).setAlignment( mSubgroupAlignCombo->currentAlignment() );
334  mLegend->update();
335  mLegend->endCommand();
336  }
337 }
338 
339 void QgsLayoutLegendWidget::itemAlignmentChanged()
340 {
341  if ( mLegend )
342  {
343  mLegend->beginCommand( tr( "Change Item Alignment" ) );
344  mLegend->rstyle( QgsLegendStyle::SymbolLabel ).setAlignment( mItemAlignCombo->currentAlignment() );
345  mLegend->update();
346  mLegend->endCommand();
347  }
348 }
349 
350 void QgsLayoutLegendWidget::arrangementChanged()
351 {
352  if ( mLegend )
353  {
354  Qt::AlignmentFlag alignment = static_cast< Qt::AlignmentFlag >( static_cast< int >( mArrangementCombo->currentAlignment() & Qt::AlignHorizontal_Mask ) );
355  mLegend->beginCommand( tr( "Change Legend Arrangement" ) );
356  mLegend->setSymbolAlignment( alignment );
357  mLegend->update();
358  mLegend->endCommand();
359  }
360 }
361 
362 void QgsLayoutLegendWidget::mColumnCountSpinBox_valueChanged( int c )
363 {
364  if ( mLegend )
365  {
366  mLegend->beginCommand( tr( "Change Column Count" ), QgsLayoutItem::UndoLegendColumnCount );
367  mLegend->setColumnCount( c );
368  mLegend->adjustBoxSize();
369  mLegend->update();
370  mLegend->endCommand();
371  }
372  mSplitLayerCheckBox->setEnabled( c > 1 );
373  mEqualColumnWidthCheckBox->setEnabled( c > 1 );
374 }
375 
376 void QgsLayoutLegendWidget::mSplitLayerCheckBox_toggled( bool checked )
377 {
378  if ( mLegend )
379  {
380  mLegend->beginCommand( tr( "Split Legend Layers" ) );
381  mLegend->setSplitLayer( checked );
382  mLegend->adjustBoxSize();
383  mLegend->update();
384  mLegend->endCommand();
385  }
386 }
387 
388 void QgsLayoutLegendWidget::mEqualColumnWidthCheckBox_toggled( bool checked )
389 {
390  if ( mLegend )
391  {
392  mLegend->beginCommand( tr( "Legend Column Width" ) );
393  mLegend->setEqualColumnWidth( checked );
394  mLegend->adjustBoxSize();
395  mLegend->update();
396  mLegend->endCommand();
397  }
398 }
399 
400 void QgsLayoutLegendWidget::mSymbolWidthSpinBox_valueChanged( double d )
401 {
402  if ( mLegend )
403  {
404  mLegend->beginCommand( tr( "Resize Symbol Width" ), QgsLayoutItem::UndoLegendSymbolWidth );
405  mLegend->setSymbolWidth( d );
406  mLegend->adjustBoxSize();
407  mLegend->update();
408  mLegend->endCommand();
409  }
410 }
411 
412 void QgsLayoutLegendWidget::mMaxSymbolSizeSpinBox_valueChanged( double d )
413 {
414  if ( mLegend )
415  {
416  mLegend->beginCommand( tr( "Change Legend Maximum Symbol Size" ), QgsLayoutItem::UndoLegendMaxSymbolSize );
417  mLegend->setMaximumSymbolSize( d );
418  mLegend->adjustBoxSize();
419  mLegend->update();
420  mLegend->endCommand();
421  }
422 }
423 
424 void QgsLayoutLegendWidget::mMinSymbolSizeSpinBox_valueChanged( double d )
425 {
426  if ( mLegend )
427  {
428  mLegend->beginCommand( tr( "Change Legend Minimum Symbol Size" ), QgsLayoutItem::UndoLegendMinSymbolSize );
429  mLegend->setMinimumSymbolSize( d );
430  mLegend->adjustBoxSize();
431  mLegend->update();
432  mLegend->endCommand();
433  }
434 }
435 
436 void QgsLayoutLegendWidget::mSymbolHeightSpinBox_valueChanged( double d )
437 {
438  if ( mLegend )
439  {
440  mLegend->beginCommand( tr( "Resize Symbol Height" ), QgsLayoutItem::UndoLegendSymbolHeight );
441  mLegend->setSymbolHeight( d );
442  mLegend->adjustBoxSize();
443  mLegend->update();
444  mLegend->endCommand();
445  }
446 }
447 
448 void QgsLayoutLegendWidget::mWmsLegendWidthSpinBox_valueChanged( double d )
449 {
450  if ( mLegend )
451  {
452  mLegend->beginCommand( tr( "Resize WMS Width" ), QgsLayoutItem::UndoLegendWmsLegendWidth );
453  mLegend->setWmsLegendWidth( d );
454  mLegend->adjustBoxSize();
455  mLegend->update();
456  mLegend->endCommand();
457  }
458 }
459 
460 void QgsLayoutLegendWidget::mWmsLegendHeightSpinBox_valueChanged( double d )
461 {
462  if ( mLegend )
463  {
464  mLegend->beginCommand( tr( "Resize WMS Height" ), QgsLayoutItem::UndoLegendWmsLegendHeight );
465  mLegend->setWmsLegendHeight( d );
466  mLegend->adjustBoxSize();
467  mLegend->update();
468  mLegend->endCommand();
469  }
470 }
471 
472 void QgsLayoutLegendWidget::mTitleSpaceBottomSpinBox_valueChanged( double d )
473 {
474  if ( mLegend )
475  {
476  mLegend->beginCommand( tr( "Change Title Space" ), QgsLayoutItem::UndoLegendTitleSpaceBottom );
477  mLegend->rstyle( QgsLegendStyle::Title ).setMargin( QgsLegendStyle::Bottom, d );
478  mLegend->adjustBoxSize();
479  mLegend->update();
480  mLegend->endCommand();
481  }
482 }
483 
484 void QgsLayoutLegendWidget::mGroupSpaceSpinBox_valueChanged( double d )
485 {
486  if ( mLegend )
487  {
488  mLegend->beginCommand( tr( "Change Group Space" ), QgsLayoutItem::UndoLegendGroupSpace );
489  mLegend->rstyle( QgsLegendStyle::Group ).setMargin( QgsLegendStyle::Top, d );
490  mLegend->adjustBoxSize();
491  mLegend->update();
492  mLegend->endCommand();
493  }
494 }
495 
496 void QgsLayoutLegendWidget::spaceBelowGroupHeadingChanged( double space )
497 {
498  if ( mLegend )
499  {
500  mLegend->beginCommand( tr( "Change Group Space" ), QgsLayoutItem::UndoLegendGroupSpace );
501  mLegend->rstyle( QgsLegendStyle::Group ).setMargin( QgsLegendStyle::Bottom, space );
502  mLegend->adjustBoxSize();
503  mLegend->update();
504  mLegend->endCommand();
505  }
506 }
507 
508 void QgsLayoutLegendWidget::spaceGroupSideChanged( double space )
509 {
510  if ( mLegend )
511  {
512  mLegend->beginCommand( tr( "Change Side of Group Space" ), QgsLayoutItem::UndoLegendGroupSpace );
513  mLegend->rstyle( QgsLegendStyle::Group ).setMargin( QgsLegendStyle::Left, space );
514  mLegend->adjustBoxSize();
515  mLegend->update();
516  mLegend->endCommand();
517  }
518 }
519 
520 void QgsLayoutLegendWidget::spaceSubGroupSideChanged( double space )
521 {
522  if ( mLegend )
523  {
524  mLegend->beginCommand( tr( "Change Side of Subgroup Space" ), QgsLayoutItem::UndoLegendLayerSpace );
525  mLegend->rstyle( QgsLegendStyle::Subgroup ).setMargin( QgsLegendStyle::Left, space );
526  mLegend->adjustBoxSize();
527  mLegend->update();
528  mLegend->endCommand();
529  }
530 }
531 
532 void QgsLayoutLegendWidget::spaceSymbolSideChanged( double space )
533 {
534  if ( mLegend )
535  {
536  mLegend->beginCommand( tr( "Change Side of Symbol Space" ), QgsLayoutItem::UndoLegendSymbolSpace );
537  mLegend->rstyle( QgsLegendStyle::Symbol ).setMargin( QgsLegendStyle::Left, space );
538  mLegend->adjustBoxSize();
539  mLegend->update();
540  mLegend->endCommand();
541  }
542 }
543 
544 void QgsLayoutLegendWidget::mLayerSpaceSpinBox_valueChanged( double d )
545 {
546  if ( mLegend )
547  {
548  mLegend->beginCommand( tr( "Change Subgroup Space" ), QgsLayoutItem::UndoLegendLayerSpace );
549  mLegend->rstyle( QgsLegendStyle::Subgroup ).setMargin( QgsLegendStyle::Top, d );
550  mLegend->adjustBoxSize();
551  mLegend->update();
552  mLegend->endCommand();
553  }
554 }
555 
556 void QgsLayoutLegendWidget::mSymbolSpaceSpinBox_valueChanged( double d )
557 {
558  if ( mLegend )
559  {
560  mLegend->beginCommand( tr( "Change Symbol Space" ), QgsLayoutItem::UndoLegendSymbolSpace );
561  // We keep Symbol and SymbolLabel Top in sync for now
562  mLegend->rstyle( QgsLegendStyle::Symbol ).setMargin( QgsLegendStyle::Top, d );
563  mLegend->rstyle( QgsLegendStyle::SymbolLabel ).setMargin( QgsLegendStyle::Top, d );
564  mLegend->adjustBoxSize();
565  mLegend->update();
566  mLegend->endCommand();
567  }
568 }
569 
570 void QgsLayoutLegendWidget::mIconLabelSpaceSpinBox_valueChanged( double d )
571 {
572  if ( mLegend )
573  {
574  mLegend->beginCommand( tr( "Change Label Space" ), QgsLayoutItem::UndoLegendIconSymbolSpace );
575  mLegend->rstyle( QgsLegendStyle::SymbolLabel ).setMargin( QgsLegendStyle::Left, d );
576  mLegend->adjustBoxSize();
577  mLegend->update();
578  mLegend->endCommand();
579  }
580 }
581 
582 void QgsLayoutLegendWidget::titleFontChanged()
583 {
584  if ( mLegend )
585  {
586  mLegend->beginCommand( tr( "Change Title Font" ), QgsLayoutItem::UndoLegendTitleFont );
587  mLegend->setStyleFont( QgsLegendStyle::Title, mTitleFontButton->currentFont() );
588  mLegend->adjustBoxSize();
589  mLegend->update();
590  mLegend->endCommand();
591  }
592 }
593 
594 void QgsLayoutLegendWidget::groupFontChanged()
595 {
596  if ( mLegend )
597  {
598  mLegend->beginCommand( tr( "Change Group Font" ), QgsLayoutItem::UndoLegendGroupFont );
599  mLegend->setStyleFont( QgsLegendStyle::Group, mGroupFontButton->currentFont() );
600  mLegend->adjustBoxSize();
601  mLegend->update();
602  mLegend->endCommand();
603  }
604 }
605 
606 void QgsLayoutLegendWidget::layerFontChanged()
607 {
608  if ( mLegend )
609  {
610  mLegend->beginCommand( tr( "Change Layer Font" ), QgsLayoutItem::UndoLegendLayerFont );
611  mLegend->setStyleFont( QgsLegendStyle::Subgroup, mLayerFontButton->currentFont() );
612  mLegend->adjustBoxSize();
613  mLegend->update();
614  mLegend->endCommand();
615  }
616 }
617 
618 void QgsLayoutLegendWidget::itemFontChanged()
619 {
620  if ( mLegend )
621  {
622  mLegend->beginCommand( tr( "Change Item Font" ), QgsLayoutItem::UndoLegendItemFont );
623  mLegend->setStyleFont( QgsLegendStyle::SymbolLabel, mItemFontButton->currentFont() );
624  mLegend->adjustBoxSize();
625  mLegend->update();
626  mLegend->endCommand();
627  }
628 }
629 
630 void QgsLayoutLegendWidget::spaceBelowSubGroupHeadingChanged( double space )
631 {
632  if ( mLegend )
633  {
634  mLegend->beginCommand( tr( "Change Subgroup Space" ), QgsLayoutItem::UndoLegendLayerSpace );
635  mLegend->rstyle( QgsLegendStyle::Subgroup ).setMargin( QgsLegendStyle::Bottom, space );
636  mLegend->adjustBoxSize();
637  mLegend->update();
638  mLegend->endCommand();
639  }
640 }
641 
642 void QgsLayoutLegendWidget::mFontColorButton_colorChanged( const QColor &newFontColor )
643 {
644  if ( !mLegend )
645  {
646  return;
647  }
648 
649  mLegend->beginCommand( tr( "Change Font Color" ), QgsLayoutItem::UndoLegendFontColor );
650  mLegend->setFontColor( newFontColor );
651  mLegend->update();
652  mLegend->endCommand();
653 }
654 
655 void QgsLayoutLegendWidget::mBoxSpaceSpinBox_valueChanged( double d )
656 {
657  if ( mLegend )
658  {
659  mLegend->beginCommand( tr( "Change Box Space" ), QgsLayoutItem::UndoLegendBoxSpace );
660  mLegend->setBoxSpace( d );
661  mLegend->adjustBoxSize();
662  mLegend->update();
663  mLegend->endCommand();
664  }
665 }
666 
667 void QgsLayoutLegendWidget::mColumnSpaceSpinBox_valueChanged( double d )
668 {
669  if ( mLegend )
670  {
671  mLegend->beginCommand( tr( "Change Column Space" ), QgsLayoutItem::UndoLegendColumnSpace );
672  mLegend->setColumnSpace( d );
673  mLegend->adjustBoxSize();
674  mLegend->update();
675  mLegend->endCommand();
676  }
677 }
678 
679 void QgsLayoutLegendWidget::mLineSpacingSpinBox_valueChanged( double d )
680 {
681  if ( mLegend )
682  {
683  mLegend->beginCommand( tr( "Change Line Space" ), QgsLayoutItem::UndoLegendLineSpacing );
684  mLegend->setLineSpacing( d );
685  mLegend->adjustBoxSize();
686  mLegend->update();
687  mLegend->endCommand();
688  }
689 }
690 
691 static void _moveLegendNode( QgsLayerTreeLayer *nodeLayer, int legendNodeIndex, int offset )
692 {
693  QList<int> order = QgsMapLayerLegendUtils::legendNodeOrder( nodeLayer );
694 
695  if ( legendNodeIndex < 0 || legendNodeIndex >= order.count() )
696  return;
697  if ( legendNodeIndex + offset < 0 || legendNodeIndex + offset >= order.count() )
698  return;
699 
700  int id = order.takeAt( legendNodeIndex );
701  order.insert( legendNodeIndex + offset, id );
702 
703  QgsMapLayerLegendUtils::setLegendNodeOrder( nodeLayer, order );
704 }
705 
706 
707 void QgsLayoutLegendWidget::mMoveDownToolButton_clicked()
708 {
709  if ( !mLegend )
710  {
711  return;
712  }
713 
714  const QModelIndex index = mItemTreeView->selectionModel()->currentIndex();
715  const QModelIndex sourceIndex = mItemTreeView->proxyModel()->mapToSource( index );
716  const QModelIndex parentIndex = sourceIndex.parent();
717  if ( !sourceIndex.isValid() || sourceIndex.row() == mItemTreeView->layerTreeModel()->rowCount( parentIndex ) - 1 )
718  return;
719 
720  QgsLayerTreeNode *node = mItemTreeView->index2node( index );
721  QgsLayerTreeModelLegendNode *legendNode = mItemTreeView->index2legendNode( index );
722  if ( !node && !legendNode )
723  return;
724 
725  mLegend->beginCommand( tr( "Moved Legend Item Down" ) );
726 
727  if ( node )
728  {
729  QgsLayerTreeGroup *parentGroup = QgsLayerTree::toGroup( node->parent() );
730  parentGroup->insertChildNode( sourceIndex.row() + 2, node->clone() );
731  parentGroup->removeChildNode( node );
732  }
733  else // legend node
734  {
735  _moveLegendNode( legendNode->layerNode(), _unfilteredLegendNodeIndex( legendNode ), 1 );
736  mItemTreeView->layerTreeModel()->refreshLayerLegend( legendNode->layerNode() );
737  }
738 
739  mItemTreeView->setCurrentIndex( mItemTreeView->proxyModel()->mapFromSource( mItemTreeView->layerTreeModel()->index( sourceIndex.row() + 1, 0, parentIndex ) ) );
740 
741  mLegend->update();
742  mLegend->endCommand();
743 }
744 
745 void QgsLayoutLegendWidget::mMoveUpToolButton_clicked()
746 {
747  if ( !mLegend )
748  {
749  return;
750  }
751 
752  const QModelIndex index = mItemTreeView->selectionModel()->currentIndex();
753  const QModelIndex sourceIndex = mItemTreeView->proxyModel()->mapToSource( index );
754  const QModelIndex parentIndex = sourceIndex.parent();
755  if ( !sourceIndex.isValid() || sourceIndex.row() == 0 )
756  return;
757 
758  QgsLayerTreeNode *node = mItemTreeView->index2node( index );
759  QgsLayerTreeModelLegendNode *legendNode = mItemTreeView->index2legendNode( index );
760  if ( !node && !legendNode )
761  return;
762 
763  mLegend->beginCommand( tr( "Move Legend Item Up" ) );
764 
765  if ( node )
766  {
767  QgsLayerTreeGroup *parentGroup = QgsLayerTree::toGroup( node->parent() );
768  parentGroup->insertChildNode( sourceIndex.row() - 1, node->clone() );
769  parentGroup->removeChildNode( node );
770  }
771  else // legend node
772  {
773  _moveLegendNode( legendNode->layerNode(), _unfilteredLegendNodeIndex( legendNode ), -1 );
774  mItemTreeView->layerTreeModel()->refreshLayerLegend( legendNode->layerNode() );
775  }
776 
777  mItemTreeView->setCurrentIndex( mItemTreeView->proxyModel()->mapFromSource( mItemTreeView->layerTreeModel()->index( sourceIndex.row() - 1, 0, parentIndex ) ) );
778 
779  mLegend->update();
780  mLegend->endCommand();
781 }
782 
783 void QgsLayoutLegendWidget::mCheckBoxAutoUpdate_stateChanged( int state, bool userTriggered )
784 {
785  if ( userTriggered )
786  {
787  mLegend->beginCommand( tr( "Change Auto Update" ) );
788 
789  mLegend->setAutoUpdateModel( state == Qt::Checked );
790 
791  mLegend->updateFilterByMap();
792  mLegend->endCommand();
793  }
794 
795  // do not allow editing of model if auto update is on - we would modify project's layer tree
796  QList<QWidget *> widgets;
797  widgets << mMoveDownToolButton << mMoveUpToolButton << mRemoveToolButton << mAddToolButton
798  << mEditPushButton << mCountToolButton << mUpdateAllPushButton << mAddGroupToolButton
799  << mExpressionFilterButton;
800  for ( QWidget *w : std::as_const( widgets ) )
801  w->setEnabled( state != Qt::Checked );
802 
803  if ( state == Qt::Unchecked )
804  {
805  // update widgets state based on current selection
806  selectedChanged( QModelIndex(), QModelIndex() );
807  }
808 }
809 
810 void QgsLayoutLegendWidget::composerMapChanged( QgsLayoutItem *item )
811 {
812  if ( !mLegend )
813  {
814  return;
815  }
816 
817  QgsLayout *layout = mLegend->layout();
818  if ( !layout )
819  {
820  return;
821  }
822 
823  QgsLayoutItemMap *map = qobject_cast< QgsLayoutItemMap * >( item );
824  if ( map )
825  {
826  mLegend->beginCommand( tr( "Change Legend Map" ) );
827  mLegend->setLinkedMap( map );
828  mLegend->updateFilterByMap();
829  mLegend->endCommand();
830 
831  setLegendMapViewData();
832  }
833 }
834 
835 void QgsLayoutLegendWidget::mCheckboxResizeContents_toggled( bool checked )
836 {
837  if ( !mLegend )
838  {
839  return;
840  }
841 
842  mLegend->beginCommand( tr( "Resize Legend to Contents" ) );
843  mLegend->setResizeToContents( checked );
844  if ( checked )
845  mLegend->adjustBoxSize();
846  mLegend->updateFilterByMap();
847  mLegend->endCommand();
848 }
849 
850 void QgsLayoutLegendWidget::mRasterStrokeGroupBox_toggled( bool state )
851 {
852  if ( !mLegend )
853  {
854  return;
855  }
856 
857  mLegend->beginCommand( tr( "Change Legend Borders" ) );
858  mLegend->setDrawRasterStroke( state );
859  mLegend->adjustBoxSize();
860  mLegend->update();
861  mLegend->endCommand();
862 }
863 
864 void QgsLayoutLegendWidget::mRasterStrokeWidthSpinBox_valueChanged( double d )
865 {
866  if ( !mLegend )
867  {
868  return;
869  }
870 
871  mLegend->beginCommand( tr( "Resize Legend Borders" ), QgsLayoutItem::UndoLegendRasterStrokeWidth );
872  mLegend->setRasterStrokeWidth( d );
873  mLegend->adjustBoxSize();
874  mLegend->update();
875  mLegend->endCommand();
876 }
877 
878 void QgsLayoutLegendWidget::mRasterStrokeColorButton_colorChanged( const QColor &newColor )
879 {
880  if ( !mLegend )
881  {
882  return;
883  }
884 
885  mLegend->beginCommand( tr( "Change Legend Border Color" ), QgsLayoutItem::UndoLegendRasterStrokeColor );
886  mLegend->setRasterStrokeColor( newColor );
887  mLegend->update();
888  mLegend->endCommand();
889 }
890 
891 void QgsLayoutLegendWidget::mAddToolButton_clicked()
892 {
893  if ( !mLegend )
894  {
895  return;
896  }
897 
898  QList< QgsMapLayer * > visibleLayers;
899  if ( mLegend->linkedMap() )
900  {
901  visibleLayers = mLegend->linkedMap()->layersToRender();
902  }
903  if ( visibleLayers.isEmpty() )
904  {
905  // just use current canvas layers as visible layers
906  visibleLayers = mMapCanvas->layers();
907  }
908 
909  QgsLayoutLegendLayersDialog addDialog( this );
910  addDialog.setVisibleLayers( visibleLayers );
911  if ( addDialog.exec() == QDialog::Accepted )
912  {
913  const QList<QgsMapLayer *> layers = addDialog.selectedLayers();
914  if ( !layers.empty() )
915  {
916  mLegend->beginCommand( tr( "Add Legend Item(s)" ) );
917  for ( QgsMapLayer *layer : layers )
918  {
919  mLegend->model()->rootGroup()->addLayer( layer );
920  }
921  mLegend->updateLegend();
922  mLegend->update();
923  mLegend->endCommand();
924  }
925  }
926 }
927 
928 void QgsLayoutLegendWidget::mRemoveToolButton_clicked()
929 {
930  if ( !mLegend )
931  {
932  return;
933  }
934 
935  QItemSelectionModel *selectionModel = mItemTreeView->selectionModel();
936  if ( !selectionModel )
937  {
938  return;
939  }
940 
941  mLegend->beginCommand( tr( "Remove Legend Item" ) );
942 
943  QList<QPersistentModelIndex> proxyIndexes;
944  const QModelIndexList viewSelection = selectionModel->selectedIndexes();
945  for ( const QModelIndex &index : viewSelection )
946  proxyIndexes << index;
947 
948  // first try to remove legend nodes
949  QHash<QgsLayerTreeLayer *, QList<int> > nodesWithRemoval;
950  for ( const QPersistentModelIndex &proxyIndex : std::as_const( proxyIndexes ) )
951  {
952  if ( QgsLayerTreeModelLegendNode *legendNode = mItemTreeView->index2legendNode( proxyIndex ) )
953  {
954  QgsLayerTreeLayer *nodeLayer = legendNode->layerNode();
955  nodesWithRemoval[nodeLayer].append( _unfilteredLegendNodeIndex( legendNode ) );
956  }
957  }
958  for ( auto it = nodesWithRemoval.constBegin(); it != nodesWithRemoval.constEnd(); ++it )
959  {
960  QList<int> toDelete = it.value();
961  std::sort( toDelete.begin(), toDelete.end(), std::greater<int>() );
962  QList<int> order = QgsMapLayerLegendUtils::legendNodeOrder( it.key() );
963 
964  for ( int i : std::as_const( toDelete ) )
965  {
966  if ( i >= 0 && i < order.count() )
967  order.removeAt( i );
968  }
969 
970  QgsMapLayerLegendUtils::setLegendNodeOrder( it.key(), order );
971  mItemTreeView->layerTreeModel()->refreshLayerLegend( it.key() );
972  }
973 
974  // then remove layer tree nodes
975  for ( const QPersistentModelIndex &proxyIndex : std::as_const( proxyIndexes ) )
976  {
977  if ( proxyIndex.isValid() && mItemTreeView->index2node( proxyIndex ) )
978  {
979  const QModelIndex sourceIndex = mItemTreeView->proxyModel()->mapToSource( proxyIndex );
980  mLegend->model()->removeRow( sourceIndex.row(), sourceIndex.parent() );
981  }
982  }
983 
984  mLegend->updateLegend();
985  mLegend->update();
986  mLegend->endCommand();
987 }
988 
989 void QgsLayoutLegendWidget::mEditPushButton_clicked()
990 {
991  if ( !mLegend )
992  {
993  return;
994  }
995 
996  QModelIndex idx = mItemTreeView->selectionModel()->currentIndex();
997  mItemTreeView_doubleClicked( idx );
998 }
999 
1000 void QgsLayoutLegendWidget::resetLayerNodeToDefaults()
1001 {
1002  if ( !mLegend )
1003  {
1004  return;
1005  }
1006 
1007  //get current item
1008  QModelIndex currentIndex = mItemTreeView->currentIndex();
1009  if ( !currentIndex.isValid() )
1010  {
1011  return;
1012  }
1013 
1014  QgsLayerTreeLayer *nodeLayer = nullptr;
1015  if ( QgsLayerTreeNode *node = mItemTreeView->index2node( currentIndex ) )
1016  {
1017  if ( QgsLayerTree::isLayer( node ) )
1018  nodeLayer = QgsLayerTree::toLayer( node );
1019  }
1020  if ( QgsLayerTreeModelLegendNode *legendNode = mItemTreeView->index2legendNode( currentIndex ) )
1021  {
1022  nodeLayer = legendNode->layerNode();
1023  }
1024 
1025  if ( !nodeLayer )
1026  return;
1027 
1028  mLegend->beginCommand( tr( "Update Legend" ) );
1029 
1030  const auto constCustomProperties = nodeLayer->customProperties();
1031  for ( const QString &key : constCustomProperties )
1032  {
1033  if ( key.startsWith( QLatin1String( "legend/" ) ) )
1034  nodeLayer->removeCustomProperty( key );
1035  }
1036 
1037  nodeLayer->setPatchShape( QgsLegendPatchShape() );
1038  nodeLayer->setPatchSize( QSizeF() );
1039 
1040  mItemTreeView->layerTreeModel()->refreshLayerLegend( nodeLayer );
1041 
1042  mLegend->updateLegend();
1043  mLegend->update();
1044  mLegend->endCommand();
1045 }
1046 
1047 void QgsLayoutLegendWidget::mCountToolButton_clicked( bool checked )
1048 {
1049  if ( !mLegend )
1050  {
1051  return;
1052  }
1053 
1054  const QList< QModelIndex > selectedIndexes = mItemTreeView->selectionModel()->selectedIndexes();
1055  if ( selectedIndexes.empty() )
1056  return;
1057 
1058  mLegend->beginCommand( tr( "Update Legend" ) );
1059  for ( const QModelIndex &index : selectedIndexes )
1060  {
1061  QgsLayerTreeNode *currentNode = mItemTreeView->index2node( index );
1062  if ( !QgsLayerTree::isLayer( currentNode ) )
1063  continue;
1064 
1065  currentNode->setCustomProperty( QStringLiteral( "showFeatureCount" ), checked ? 1 : 0 );
1066  }
1067  mLegend->updateFilterByMap();
1068  mLegend->adjustBoxSize();
1069  mLegend->endCommand();
1070 }
1071 
1072 void QgsLayoutLegendWidget::mFilterByMapCheckBox_toggled( bool checked )
1073 {
1074  mLegend->beginCommand( tr( "Update Legend" ) );
1075  mLegend->setLegendFilterByMapEnabled( checked );
1076  mLegend->adjustBoxSize();
1077  mLegend->update();
1078  mLegend->endCommand();
1079 }
1080 
1081 void QgsLayoutLegendWidget::mExpressionFilterButton_toggled( bool checked )
1082 {
1083  if ( !mLegend )
1084  {
1085  return;
1086  }
1087 
1088  //get current item
1089  QModelIndex currentIndex = mItemTreeView->currentIndex();
1090  if ( !currentIndex.isValid() )
1091  {
1092  return;
1093  }
1094 
1095  QgsLayerTreeNode *currentNode = mItemTreeView->currentNode();
1096  if ( !QgsLayerTree::isLayer( currentNode ) )
1097  return;
1098 
1099  QgsLayerTreeUtils::setLegendFilterByExpression( *qobject_cast<QgsLayerTreeLayer *>( currentNode ),
1100  mExpressionFilterButton->expressionText(),
1101  checked );
1102 
1103  mLegend->beginCommand( tr( "Update Legend" ) );
1104  mLegend->updateFilterByMap();
1105  mLegend->adjustBoxSize();
1106  mLegend->endCommand();
1107 }
1108 
1109 void QgsLayoutLegendWidget::mLayerExpressionButton_clicked()
1110 {
1111  if ( !mLegend )
1112  {
1113  return;
1114  }
1115 
1116  QModelIndex currentIndex = mItemTreeView->currentIndex();
1117  if ( !currentIndex.isValid() )
1118  return;
1119 
1120  QgsLayerTreeNode *currentNode = mItemTreeView->currentNode();
1121  if ( !QgsLayerTree::isLayer( currentNode ) )
1122  return;
1123 
1124  QgsLayerTreeLayer *layerNode = qobject_cast<QgsLayerTreeLayer *>( currentNode );
1125  QgsVectorLayer *vl = qobject_cast<QgsVectorLayer *>( layerNode->layer() );
1126 
1127  if ( !vl )
1128  return;
1129 
1130  QString currentExpression;
1131  if ( layerNode->labelExpression().isEmpty() )
1132  currentExpression = QStringLiteral( "@symbol_label" );
1133  else
1134  currentExpression = layerNode->labelExpression();
1135  QgsExpressionContext legendContext = mLegend->createExpressionContext();
1136  legendContext.appendScope( vl->createExpressionContextScope() );
1137 
1138  QgsExpressionContextScope *symbolLegendScope = new QgsExpressionContextScope( tr( "Symbol scope" ) );
1139 
1140  QgsFeatureRenderer *r = vl->renderer();
1141 
1142  QStringList highlighted;
1143  if ( r )
1144  {
1145  const QgsLegendSymbolList legendSymbols = r->legendSymbolItems();
1146 
1147  if ( !legendSymbols.empty() )
1148  {
1149  QgsSymbolLegendNode legendNode( layerNode, legendSymbols.first() );
1150 
1151  symbolLegendScope->addVariable( QgsExpressionContextScope::StaticVariable( QStringLiteral( "symbol_label" ), legendNode.symbolLabel().remove( QStringLiteral( "[%" ) ).remove( QStringLiteral( "%]" ) ), true ) );
1152  symbolLegendScope->addVariable( QgsExpressionContextScope::StaticVariable( QStringLiteral( "symbol_id" ), legendSymbols.first().ruleKey(), true ) );
1153  highlighted << QStringLiteral( "symbol_label" ) << QStringLiteral( "symbol_id" );
1154  symbolLegendScope->addVariable( QgsExpressionContextScope::StaticVariable( QStringLiteral( "symbol_count" ), QVariant::fromValue( vl->featureCount( legendSymbols.first().ruleKey() ) ), true ) );
1155  highlighted << QStringLiteral( "symbol_count" );
1156  }
1157  }
1158 
1159  legendContext.appendScope( symbolLegendScope );
1160 
1161  legendContext.setHighlightedVariables( highlighted );
1162 
1163  QgsExpressionBuilderDialog expressiondialog( vl, currentExpression, nullptr, QStringLiteral( "generic" ), legendContext );
1164  if ( expressiondialog.exec() )
1165  layerNode->setLabelExpression( expressiondialog.expressionText() );
1166 
1167  mLegend->beginCommand( tr( "Update Legend" ) );
1168  mLegend->refresh();
1169  mLegend->adjustBoxSize();
1170  mLegend->endCommand();
1171 }
1172 
1173 void QgsLayoutLegendWidget::mUpdateAllPushButton_clicked()
1174 {
1175  updateLegend();
1176 }
1177 
1178 void QgsLayoutLegendWidget::mAddGroupToolButton_clicked()
1179 {
1180  if ( mLegend )
1181  {
1182  mLegend->beginCommand( tr( "Add Legend Group" ) );
1183  mLegend->model()->rootGroup()->addGroup( tr( "Group" ) );
1184  mLegend->updateLegend();
1185  mLegend->update();
1186  mLegend->endCommand();
1187  }
1188 }
1189 
1190 void QgsLayoutLegendWidget::mFilterLegendByAtlasCheckBox_toggled( bool toggled )
1191 {
1192  Q_UNUSED( toggled )
1193  if ( mLegend )
1194  {
1195  mLegend->setLegendFilterOutAtlas( toggled );
1196  // force update of legend when in preview mode
1197  mLegend->refresh();
1198  }
1199 }
1200 
1201 void QgsLayoutLegendWidget::updateLegend()
1202 {
1203  if ( mLegend )
1204  {
1205  mLegend->beginCommand( tr( "Update Legend" ) );
1206 
1207  // this will reset the model completely, losing any changes
1208  mLegend->setAutoUpdateModel( true );
1209  mLegend->setAutoUpdateModel( false );
1210  mLegend->updateFilterByMap();
1211  mLegend->endCommand();
1212  }
1213 }
1214 
1215 void QgsLayoutLegendWidget::setReportTypeString( const QString &string )
1216 {
1217  mFilterLegendByAtlasCheckBox->setText( tr( "Only show items inside current %1 feature" ).arg( string ) );
1218  mFilterLegendByAtlasCheckBox->setToolTip( tr( "Filter out legend elements that lie outside the current %1 feature." ).arg( string ) );
1219 }
1220 
1221 bool QgsLayoutLegendWidget::setNewItem( QgsLayoutItem *item )
1222 {
1223  if ( item->type() != QgsLayoutItemRegistry::LayoutLegend )
1224  return false;
1225 
1226  if ( mLegend )
1227  {
1228  disconnect( mLegend, &QgsLayoutObject::changed, this, &QgsLayoutLegendWidget::setGuiElements );
1229  }
1230 
1231  mLegend = qobject_cast< QgsLayoutItemLegend * >( item );
1232  mItemPropertiesWidget->setItem( mLegend );
1233 
1234  if ( mLegend )
1235  {
1236  mItemTreeView->setModel( mLegend->model() );
1237  connect( mLegend, &QgsLayoutObject::changed, this, &QgsLayoutLegendWidget::setGuiElements );
1238  }
1239 
1240  setGuiElements();
1241 
1242  return true;
1243 }
1244 
1245 void QgsLayoutLegendWidget::blockAllSignals( bool b )
1246 {
1247  mTitleLineEdit->blockSignals( b );
1248  mTitleAlignCombo->blockSignals( b );
1249  mItemTreeView->blockSignals( b );
1250  mCheckBoxAutoUpdate->blockSignals( b );
1251  mMapComboBox->blockSignals( b );
1252  mFilterByMapCheckBox->blockSignals( b );
1253  mColumnCountSpinBox->blockSignals( b );
1254  mSplitLayerCheckBox->blockSignals( b );
1255  mEqualColumnWidthCheckBox->blockSignals( b );
1256  mSymbolWidthSpinBox->blockSignals( b );
1257  mSymbolHeightSpinBox->blockSignals( b );
1258  mMaxSymbolSizeSpinBox->blockSignals( b );
1259  mMinSymbolSizeSpinBox->blockSignals( b );
1260  mGroupSpaceSpinBox->blockSignals( b );
1261  mSpaceBelowGroupHeadingSpinBox->blockSignals( b );
1262  mGroupSideSpinBox->blockSignals( b );
1263  mSpaceBelowSubgroupHeadingSpinBox->blockSignals( b );
1264  mSubgroupSideSpinBox->blockSignals( b );
1265  mLayerSpaceSpinBox->blockSignals( b );
1266  mSymbolSpaceSpinBox->blockSignals( b );
1267  mSymbolSideSpaceSpinBox->blockSignals( b );
1268  mIconLabelSpaceSpinBox->blockSignals( b );
1269  mBoxSpaceSpinBox->blockSignals( b );
1270  mColumnSpaceSpinBox->blockSignals( b );
1271  mFontColorButton->blockSignals( b );
1272  mRasterStrokeGroupBox->blockSignals( b );
1273  mRasterStrokeColorButton->blockSignals( b );
1274  mRasterStrokeWidthSpinBox->blockSignals( b );
1275  mWmsLegendWidthSpinBox->blockSignals( b );
1276  mWmsLegendHeightSpinBox->blockSignals( b );
1277  mCheckboxResizeContents->blockSignals( b );
1278  mTitleSpaceBottomSpinBox->blockSignals( b );
1279  mFilterLegendByAtlasCheckBox->blockSignals( b );
1280  mTitleFontButton->blockSignals( b );
1281  mGroupFontButton->blockSignals( b );
1282  mLayerFontButton->blockSignals( b );
1283  mItemFontButton->blockSignals( b );
1284  mWrapCharLineEdit->blockSignals( b );
1285  mLineSpacingSpinBox->blockSignals( b );
1286 }
1287 
1288 void QgsLayoutLegendWidget::selectedChanged( const QModelIndex &current, const QModelIndex &previous )
1289 {
1290  Q_UNUSED( current )
1291  Q_UNUSED( previous )
1292 
1293  mLayerExpressionButton->setEnabled( false );
1294 
1295  if ( mLegend && mLegend->autoUpdateModel() )
1296  {
1297  QgsLayerTreeNode *currentNode = mItemTreeView->currentNode();
1298  if ( !QgsLayerTree::isLayer( currentNode ) )
1299  return;
1300 
1301  QgsLayerTreeLayer *currentLayerNode = QgsLayerTree::toLayer( currentNode );
1302  QgsVectorLayer *vl = qobject_cast<QgsVectorLayer *>( currentLayerNode->layer() );
1303  if ( !vl )
1304  return;
1305 
1306  mLayerExpressionButton->setEnabled( true );
1307  return;
1308  }
1309 
1310  mCountToolButton->setChecked( false );
1311  mCountToolButton->setEnabled( false );
1312 
1313 
1314  mExpressionFilterButton->blockSignals( true );
1315  mExpressionFilterButton->setChecked( false );
1316  mExpressionFilterButton->setEnabled( false );
1317  mExpressionFilterButton->blockSignals( false );
1318 
1319  QgsLayerTreeNode *currentNode = mItemTreeView->currentNode();
1320  if ( !QgsLayerTree::isLayer( currentNode ) )
1321  return;
1322 
1323  QgsLayerTreeLayer *currentLayerNode = QgsLayerTree::toLayer( currentNode );
1324  QgsVectorLayer *vl = qobject_cast<QgsVectorLayer *>( currentLayerNode->layer() );
1325  if ( !vl )
1326  return;
1327 
1328  mCountToolButton->setChecked( currentNode->customProperty( QStringLiteral( "showFeatureCount" ), 0 ).toInt() );
1329  mCountToolButton->setEnabled( true );
1330  mLayerExpressionButton->setEnabled( true );
1331 
1332  bool exprEnabled;
1333  QString expr = QgsLayerTreeUtils::legendFilterByExpression( *qobject_cast<QgsLayerTreeLayer *>( currentNode ), &exprEnabled );
1334  mExpressionFilterButton->blockSignals( true );
1335  mExpressionFilterButton->setExpressionText( expr );
1336  mExpressionFilterButton->setVectorLayer( vl );
1337  mExpressionFilterButton->setEnabled( true );
1338  mExpressionFilterButton->setChecked( exprEnabled );
1339  mExpressionFilterButton->blockSignals( false );
1340 }
1341 
1342 void QgsLayoutLegendWidget::setCurrentNodeStyleFromAction()
1343 {
1344  QAction *a = qobject_cast<QAction *>( sender() );
1345  if ( !a || !mItemTreeView->currentNode() )
1346  return;
1347 
1348  QgsLegendRenderer::setNodeLegendStyle( mItemTreeView->currentNode(), static_cast< QgsLegendStyle::Style >( a->data().toInt() ) );
1349  mLegend->updateFilterByMap();
1350 }
1351 
1352 void QgsLayoutLegendWidget::setLegendMapViewData()
1353 {
1354  if ( mLegend->linkedMap() )
1355  {
1356  int dpi = qt_defaultDpiX();
1357  QgsLayoutMeasurementConverter measurementConverter = QgsLayoutMeasurementConverter();
1358  measurementConverter.setDpi( dpi );
1359  double mapWidth = measurementConverter.convert( mLegend->linkedMap()->sizeWithUnits(), QgsUnitTypes::LayoutPixels ).width();
1360  double mapHeight = measurementConverter.convert( mLegend->linkedMap()->sizeWithUnits(), QgsUnitTypes::LayoutPixels ).height();
1361  double mapUnitsPerPixelX = mLegend->linkedMap()->extent().width() / mapWidth;
1362  double mapUnitsPerPixelY = mLegend->linkedMap()->extent().height() / mapHeight;
1363  mLegend->model()->setLegendMapViewData( ( mapUnitsPerPixelX > mapUnitsPerPixelY ? mapUnitsPerPixelX : mapUnitsPerPixelY ), dpi, mLegend->linkedMap()->scale() );
1364  }
1365 }
1366 
1367 void QgsLayoutLegendWidget::updateFilterLegendByAtlasButton()
1368 {
1369  if ( QgsLayoutAtlas *atlas = layoutAtlas() )
1370  {
1371  mFilterLegendByAtlasCheckBox->setEnabled( atlas->enabled() && mLegend->layout()->reportContext().layer() && mLegend->layout()->reportContext().layer()->geometryType() == QgsWkbTypes::PolygonGeometry );
1372  }
1373 }
1374 
1375 void QgsLayoutLegendWidget::mItemTreeView_doubleClicked( const QModelIndex &idx )
1376 {
1377  if ( !mLegend || !idx.isValid() )
1378  {
1379  return;
1380  }
1381 
1382  if ( mLegend->autoUpdateModel() )
1383  return;
1384 
1385  QgsLayerTreeNode *currentNode = mItemTreeView->index2node( idx );
1386  QgsLayerTreeModelLegendNode *legendNode = mItemTreeView->index2legendNode( idx );
1387 
1388  int originalIndex = -1;
1389  if ( legendNode )
1390  {
1391  originalIndex = _originalLegendNodeIndex( legendNode );
1392  currentNode = legendNode->layerNode();
1393  }
1394 
1395  QgsLayoutLegendNodeWidget *widget = new QgsLayoutLegendNodeWidget( mLegend, currentNode, legendNode, originalIndex );
1396  openPanel( widget );
1397 }
1398 
1399 
1400 //
1401 // QgsComposerLegendMenuProvider
1402 //
1403 
1404 QgsLayoutLegendMenuProvider::QgsLayoutLegendMenuProvider( QgsLayerTreeView *view, QgsLayoutLegendWidget *w )
1405  : mView( view )
1406  , mWidget( w )
1407 {}
1408 
1409 QMenu *QgsLayoutLegendMenuProvider::createContextMenu()
1410 {
1411  if ( !mView->currentNode() )
1412  return nullptr;
1413 
1414  if ( mWidget->legend()->autoUpdateModel() )
1415  return nullptr; // no editing allowed
1416 
1417  QMenu *menu = new QMenu();
1418 
1419  if ( QgsLayerTree::isLayer( mView->currentNode() ) )
1420  {
1421  menu->addAction( QObject::tr( "Reset to Defaults" ), mWidget, &QgsLayoutLegendWidget::resetLayerNodeToDefaults );
1422  menu->addSeparator();
1423  }
1424 
1425  QgsLegendStyle::Style currentStyle = QgsLegendRenderer::nodeLegendStyle( mView->currentNode(), mView->layerTreeModel() );
1426 
1427  QList<QgsLegendStyle::Style> lst;
1428  lst << QgsLegendStyle::Hidden << QgsLegendStyle::Group << QgsLegendStyle::Subgroup;
1429  for ( QgsLegendStyle::Style style : std::as_const( lst ) )
1430  {
1431  QAction *action = menu->addAction( QgsLegendStyle::styleLabel( style ), mWidget, &QgsLayoutLegendWidget::setCurrentNodeStyleFromAction );
1432  action->setCheckable( true );
1433  action->setChecked( currentStyle == style );
1434  action->setData( static_cast< int >( style ) );
1435  }
1436 
1437  return menu;
1438 }
1439 
1440 //
1441 // QgsLayoutLegendNodeWidget
1442 //
1443 QgsLayoutLegendNodeWidget::QgsLayoutLegendNodeWidget( QgsLayoutItemLegend *legend, QgsLayerTreeNode *node, QgsLayerTreeModelLegendNode *legendNode, int originalLegendNodeIndex, QWidget *parent )
1444  : QgsPanelWidget( parent )
1445  , mLegend( legend )
1446  , mNode( node )
1447  , mLayer( qobject_cast< QgsLayerTreeLayer* >( node ) )
1448  , mLegendNode( legendNode )
1449  , mOriginalLegendNodeIndex( originalLegendNodeIndex )
1450 {
1451  setupUi( this );
1452  setPanelTitle( tr( "Legend Item Properties" ) );
1453 
1454  // auto close panel if layer removed
1455  connect( node, &QObject::destroyed, this, &QgsPanelWidget::acceptPanel );
1456 
1457  mColumnSplitBehaviorComboBox->addItem( tr( "Follow Legend Default" ), QgsLayerTreeLayer::UseDefaultLegendSetting );
1458  mColumnSplitBehaviorComboBox->addItem( tr( "Allow Splitting Over Columns" ), QgsLayerTreeLayer::AllowSplittingLegendNodesOverMultipleColumns );
1459  mColumnSplitBehaviorComboBox->addItem( tr( "Prevent Splitting Over Columns" ), QgsLayerTreeLayer::PreventSplittingLegendNodesOverMultipleColumns );
1460 
1461  QString currentLabel;
1462  if ( mLegendNode )
1463  {
1464  currentLabel = mLegendNode->data( Qt::EditRole ).toString();
1465  mColumnBreakBeforeCheckBox->setChecked( mLegendNode->columnBreak() );
1466  }
1467  else if ( mLayer )
1468  {
1469  currentLabel = mLayer->name();
1470  QVariant v = mLayer->customProperty( QStringLiteral( "legend/title-label" ) );
1471  if ( !v.isNull() )
1472  currentLabel = v.toString();
1473  mColumnBreakBeforeCheckBox->setChecked( mLayer->customProperty( QStringLiteral( "legend/column-break" ) ).toInt() );
1474 
1475  mColumnSplitBehaviorComboBox->setCurrentIndex( mColumnSplitBehaviorComboBox->findData( mLayer->legendSplitBehavior() ) );
1476  }
1477  else
1478  {
1479  currentLabel = QgsLayerTree::toGroup( mNode )->name();
1480  mColumnBreakBeforeCheckBox->setChecked( mNode->customProperty( QStringLiteral( "legend/column-break" ) ).toInt() );
1481  }
1482 
1483  mWidthSpinBox->setClearValue( 0, tr( "Default" ) );
1484  mHeightSpinBox->setClearValue( 0, tr( "Default" ) );
1485  mWidthSpinBox->setVisible( mLegendNode || mLayer );
1486  mHeightSpinBox->setVisible( mLegendNode || mLayer );
1487  mPatchGroup->setVisible( mLegendNode || mLayer );
1488  mPatchWidthLabel->setVisible( mLegendNode || mLayer );
1489  mPatchHeightLabel->setVisible( mLegendNode || mLayer );
1490  mCustomSymbolCheckBox->setVisible( mLegendNode || mLegend->model()->legendNodeEmbeddedInParent( mLayer ) );
1491  mColumnSplitLabel->setVisible( mLayer && !mLegendNode );
1492  mColumnSplitBehaviorComboBox->setVisible( mLayer && !mLegendNode );
1493  if ( mLegendNode )
1494  {
1495  mWidthSpinBox->setValue( mLegendNode->userPatchSize().width() );
1496  mHeightSpinBox->setValue( mLegendNode->userPatchSize().height() );
1497  }
1498  else if ( mLayer )
1499  {
1500  mWidthSpinBox->setValue( mLayer->patchSize().width() );
1501  mHeightSpinBox->setValue( mLayer->patchSize().height() );
1502  }
1503 
1504  mCustomSymbolCheckBox->setChecked( false );
1505 
1506  QgsLegendPatchShape patchShape;
1507  if ( QgsSymbolLegendNode *symbolLegendNode = dynamic_cast< QgsSymbolLegendNode * >( mLegendNode ) )
1508  {
1509  patchShape = symbolLegendNode->patchShape();
1510 
1511  std::unique_ptr< QgsSymbol > customSymbol( symbolLegendNode->customSymbol() ? symbolLegendNode->customSymbol()->clone() : nullptr );
1512  mCustomSymbolCheckBox->setChecked( customSymbol.get() );
1513  if ( customSymbol )
1514  {
1515  mPatchShapeButton->setPreviewSymbol( customSymbol->clone() );
1516  mCustomSymbolButton->setSymbolType( customSymbol->type() );
1517  mCustomSymbolButton->setSymbol( customSymbol.release() );
1518  }
1519  else if ( symbolLegendNode->symbol() )
1520  {
1521  mPatchShapeButton->setPreviewSymbol( symbolLegendNode->symbol()->clone() );
1522  mCustomSymbolButton->setSymbolType( symbolLegendNode->symbol()->type() );
1523  mCustomSymbolButton->setSymbol( symbolLegendNode->symbol()->clone() );
1524  }
1525  }
1526  else if ( !mLegendNode && mLayer )
1527  {
1528  patchShape = mLayer->patchShape();
1529  if ( QgsSymbolLegendNode *symbolLegendNode = dynamic_cast< QgsSymbolLegendNode * >( mLegend->model()->legendNodeEmbeddedInParent( mLayer ) ) )
1530  {
1531  if ( QgsSymbol *customSymbol = symbolLegendNode->customSymbol() )
1532  {
1533  mCustomSymbolCheckBox->setChecked( true );
1534  mPatchShapeButton->setPreviewSymbol( customSymbol->clone() );
1535  mCustomSymbolButton->setSymbolType( customSymbol->type() );
1536  mCustomSymbolButton->setSymbol( customSymbol->clone() );
1537  }
1538  else
1539  {
1540  mPatchShapeButton->setPreviewSymbol( symbolLegendNode->symbol()->clone() );
1541  mCustomSymbolButton->setSymbolType( symbolLegendNode->symbol()->type() );
1542  mCustomSymbolButton->setSymbol( symbolLegendNode->symbol()->clone() );
1543  }
1544  }
1545  }
1546 
1547  if ( mLayer && mLayer->layer() && mLayer->layer()->type() == QgsMapLayerType::VectorLayer )
1548  {
1549  switch ( qobject_cast< QgsVectorLayer * >( mLayer->layer() )->geometryType() )
1550  {
1551  case QgsWkbTypes::PolygonGeometry:
1552  mPatchShapeButton->setSymbolType( Qgis::SymbolType::Fill );
1553  break;
1554 
1555  case QgsWkbTypes::LineGeometry:
1556  mPatchShapeButton->setSymbolType( Qgis::SymbolType::Line );
1557  break;
1558 
1559  case QgsWkbTypes::PointGeometry:
1560  mPatchShapeButton->setSymbolType( Qgis::SymbolType::Marker );
1561  break;
1562 
1563  default:
1564  mPatchShapeLabel->hide();
1565  mPatchShapeButton->hide();
1566  break;
1567  }
1568  if ( !patchShape.isNull() )
1569  mPatchShapeButton->setShape( patchShape );
1570 
1571  }
1572  else if ( QgsSymbolLegendNode *symbolLegendNode = dynamic_cast< QgsSymbolLegendNode * >( mLegendNode ) )
1573  {
1574  if ( symbolLegendNode->symbol() )
1575  {
1576  mPatchShapeButton->setSymbolType( symbolLegendNode->symbol()->type() );
1577  }
1578  else
1579  {
1580  mPatchShapeLabel->hide();
1581  mPatchShapeButton->hide();
1582  }
1583  }
1584  else
1585  {
1586  mPatchShapeLabel->hide();
1587  mPatchShapeButton->hide();
1588  }
1589 
1590  if ( QgsColorRampLegendNode *colorRampNode = dynamic_cast< QgsColorRampLegendNode * >( mLegendNode ) )
1591  {
1592  mLabelGroup->hide();
1593  mColorRampLegendWidget->setSettings( colorRampNode->settings() );
1594  }
1595  else
1596  {
1597  mColorRampLegendWidget->hide();
1598  }
1599 
1600  if ( mLegendNode )
1601  {
1602  switch ( static_cast< QgsLayerTreeModelLegendNode::NodeTypes >( mLegendNode->data( QgsLayerTreeModelLegendNode::NodeTypeRole ).toInt() ) )
1603  {
1604  case QgsLayerTreeModelLegendNode::EmbeddedWidget:
1605  case QgsLayerTreeModelLegendNode::RasterSymbolLegend:
1606  case QgsLayerTreeModelLegendNode::ImageLegend:
1607  case QgsLayerTreeModelLegendNode::WmsLegend:
1608  case QgsLayerTreeModelLegendNode::DataDefinedSizeLegend:
1609  case QgsLayerTreeModelLegendNode::ColorRampLegend:
1610  mCustomSymbolCheckBox->hide();
1611  break;
1612 
1613  case QgsLayerTreeModelLegendNode::SimpleLegend:
1614  case QgsLayerTreeModelLegendNode::SymbolLegend:
1615  break;
1616  }
1617  }
1618 
1619  mLabelEdit->setPlainText( currentLabel );
1620  connect( mLabelEdit, &QPlainTextEdit::textChanged, this, &QgsLayoutLegendNodeWidget::labelChanged );
1621  connect( mPatchShapeButton, &QgsLegendPatchShapeButton::changed, this, &QgsLayoutLegendNodeWidget::patchChanged );
1622  connect( mInsertExpressionButton, &QPushButton::clicked, this, &QgsLayoutLegendNodeWidget::insertExpression );
1623 
1624  connect( mWidthSpinBox, qOverload<double>( &QgsDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendNodeWidget::sizeChanged );
1625  connect( mHeightSpinBox, qOverload<double>( &QgsDoubleSpinBox::valueChanged ), this, &QgsLayoutLegendNodeWidget::sizeChanged );
1626 
1627  connect( mCustomSymbolCheckBox, &QGroupBox::toggled, this, &QgsLayoutLegendNodeWidget::customSymbolChanged );
1628  connect( mCustomSymbolButton, &QgsSymbolButton::changed, this, &QgsLayoutLegendNodeWidget::customSymbolChanged );
1629 
1630  connect( mColumnBreakBeforeCheckBox, &QCheckBox::toggled, this, &QgsLayoutLegendNodeWidget::columnBreakToggled );
1631 
1632  connect( mColumnSplitBehaviorComboBox, qOverload<int>( &QComboBox::currentIndexChanged ), this, &QgsLayoutLegendNodeWidget::columnSplitChanged );
1633 
1634  connect( mColorRampLegendWidget, &QgsColorRampLegendNodeWidget::widgetChanged, this, &QgsLayoutLegendNodeWidget::colorRampLegendChanged );
1635 
1636  connectChildPanel( mColorRampLegendWidget );
1637 }
1638 
1639 void QgsLayoutLegendNodeWidget::setDockMode( bool dockMode )
1640 {
1641  mColorRampLegendWidget->setDockMode( dockMode );
1642  QgsPanelWidget::setDockMode( dockMode );
1643 }
1644 
1645 void QgsLayoutLegendNodeWidget::labelChanged()
1646 {
1647  mLegend->beginCommand( tr( "Edit Legend Item" ), QgsLayoutItem::UndoLegendText );
1648 
1649  const QString label = mLabelEdit->toPlainText();
1650  if ( QgsLayerTree::isGroup( mNode ) )
1651  {
1652  QgsLayerTree::toGroup( mNode )->setName( label );
1653  }
1654  else if ( mLegendNode )
1655  {
1656  QgsMapLayerLegendUtils::setLegendNodeUserLabel( mLayer, mOriginalLegendNodeIndex, label );
1657  mLegend->model()->refreshLayerLegend( mLayer );
1658  }
1659  else if ( mLayer )
1660  {
1661  mLayer->setCustomProperty( QStringLiteral( "legend/title-label" ), label );
1662 
1663  // force update of label of the legend node with embedded icon (a bit clumsy i know)
1664  if ( QgsLayerTreeModelLegendNode *embeddedNode = mLegend->model()->legendNodeEmbeddedInParent( mLayer ) )
1665  embeddedNode->setUserLabel( QString() );
1666  }
1667 
1668  mLegend->adjustBoxSize();
1669  mLegend->updateFilterByMap();
1670  mLegend->endCommand();
1671 }
1672 
1673 void QgsLayoutLegendNodeWidget::patchChanged()
1674 {
1675  mLegend->beginCommand( tr( "Edit Legend Item" ) );
1676 
1677  QgsLegendPatchShape shape = mPatchShapeButton->shape();
1678  if ( mLegendNode )
1679  {
1680  QgsMapLayerLegendUtils::setLegendNodePatchShape( mLayer, mOriginalLegendNodeIndex, shape );
1681  mLegend->model()->refreshLayerLegend( mLayer );
1682  }
1683  else if ( mLayer )
1684  {
1685  mLayer->setPatchShape( shape );
1686  const QList<QgsLayerTreeModelLegendNode *> layerLegendNodes = mLegend->model()->layerLegendNodes( mLayer, false );
1687  for ( QgsLayerTreeModelLegendNode *node : layerLegendNodes )
1688  {
1689  QgsMapLayerLegendUtils::setLegendNodePatchShape( mLayer, _originalLegendNodeIndex( node ), shape );
1690  }
1691  mLegend->model()->refreshLayerLegend( mLayer );
1692  }
1693 
1694  mLegend->adjustBoxSize();
1695  mLegend->updateFilterByMap();
1696  mLegend->endCommand();
1697 }
1698 
1699 void QgsLayoutLegendNodeWidget::insertExpression()
1700 {
1701  if ( !mLegend )
1702  return;
1703 
1704  QString selText = mLabelEdit->textCursor().selectedText();
1705 
1706  // html editor replaces newlines with Paragraph Separator characters - see https://github.com/qgis/QGIS/issues/27568
1707  selText = selText.replace( QChar( 0x2029 ), QChar( '\n' ) );
1708 
1709  // edit the selected expression if there's one
1710  if ( selText.startsWith( QLatin1String( "[%" ) ) && selText.endsWith( QLatin1String( "%]" ) ) )
1711  selText = selText.mid( 2, selText.size() - 4 );
1712 
1713  // use the atlas coverage layer, if any
1714  QgsVectorLayer *layer = mLegend->layout() ? mLegend->layout()->reportContext().layer() : nullptr;
1715 
1716  QgsExpressionContext context = mLegend->createExpressionContext();
1717 
1718  if ( mLayer && mLayer->layer() )
1719  {
1720  context.appendScope( QgsExpressionContextUtils::layerScope( mLayer->layer() ) );
1721  }
1722 
1723  context.setHighlightedVariables( QStringList() << QStringLiteral( "legend_title" )
1724  << QStringLiteral( "legend_column_count" )
1725  << QStringLiteral( "legend_split_layers" )
1726  << QStringLiteral( "legend_wrap_string" )
1727  << QStringLiteral( "legend_filter_by_map" )
1728  << QStringLiteral( "legend_filter_out_atlas" ) );
1729 
1730  QgsExpressionBuilderDialog exprDlg( layer, selText, this, QStringLiteral( "generic" ), context );
1731 
1732  exprDlg.setWindowTitle( tr( "Insert Expression" ) );
1733  if ( exprDlg.exec() == QDialog::Accepted )
1734  {
1735  QString expression = exprDlg.expressionText();
1736  if ( !expression.isEmpty() )
1737  {
1738  mLegend->beginCommand( tr( "Insert expression" ) );
1739  mLabelEdit->insertPlainText( "[%" + expression + "%]" );
1740  mLegend->endCommand();
1741  }
1742  }
1743 }
1744 
1745 void QgsLayoutLegendNodeWidget::sizeChanged( double )
1746 {
1747  mLegend->beginCommand( tr( "Edit Legend Item" ) );
1748  const QSizeF size = QSizeF( mWidthSpinBox->value(), mHeightSpinBox->value() );
1749 
1750  if ( mLegendNode )
1751  {
1752  QgsMapLayerLegendUtils::setLegendNodeSymbolSize( mLayer, mOriginalLegendNodeIndex, size );
1753  mLegend->model()->refreshLayerLegend( mLayer );
1754  }
1755  else if ( mLayer )
1756  {
1757  mLayer->setPatchSize( size );
1758  const QList<QgsLayerTreeModelLegendNode *> layerLegendNodes = mLegend->model()->layerLegendNodes( mLayer, false );
1759  for ( QgsLayerTreeModelLegendNode *node : layerLegendNodes )
1760  {
1761  QgsMapLayerLegendUtils::setLegendNodeSymbolSize( mLayer, _originalLegendNodeIndex( node ), size );
1762  }
1763  mLegend->model()->refreshLayerLegend( mLayer );
1764  }
1765 
1766  mLegend->adjustBoxSize();
1767  mLegend->updateFilterByMap();
1768  mLegend->endCommand();
1769 }
1770 
1771 void QgsLayoutLegendNodeWidget::customSymbolChanged()
1772 {
1773  mLegend->beginCommand( tr( "Edit Legend Item" ) );
1774 
1775  if ( mCustomSymbolCheckBox->isChecked() )
1776  {
1777  if ( mLegendNode )
1778  {
1779  QgsMapLayerLegendUtils::setLegendNodeCustomSymbol( mLayer, mOriginalLegendNodeIndex, mCustomSymbolButton->symbol() );
1780  mLegend->model()->refreshLayerLegend( mLayer );
1781  }
1782  else if ( mLayer )
1783  {
1784  const QList<QgsLayerTreeModelLegendNode *> layerLegendNodes = mLegend->model()->layerLegendNodes( mLayer, false );
1785  for ( QgsLayerTreeModelLegendNode *node : layerLegendNodes )
1786  {
1787  QgsMapLayerLegendUtils::setLegendNodeCustomSymbol( mLayer, _originalLegendNodeIndex( node ), mCustomSymbolButton->symbol() );
1788  }
1789  mLegend->model()->refreshLayerLegend( mLayer );
1790  }
1791  }
1792  else
1793  {
1794  if ( mLegendNode )
1795  {
1796  QgsMapLayerLegendUtils::setLegendNodeCustomSymbol( mLayer, mOriginalLegendNodeIndex, nullptr );
1797  mLegend->model()->refreshLayerLegend( mLayer );
1798  }
1799  else if ( mLayer )
1800  {
1801  const QList<QgsLayerTreeModelLegendNode *> layerLegendNodes = mLegend->model()->layerLegendNodes( mLayer, false );
1802  for ( QgsLayerTreeModelLegendNode *node : layerLegendNodes )
1803  {
1804  QgsMapLayerLegendUtils::setLegendNodeCustomSymbol( mLayer, _originalLegendNodeIndex( node ), nullptr );
1805  }
1806  mLegend->model()->refreshLayerLegend( mLayer );
1807  }
1808  }
1809 
1810  mLegend->adjustBoxSize();
1811  mLegend->updateFilterByMap();
1812  mLegend->endCommand();
1813 }
1814 
1815 void QgsLayoutLegendNodeWidget::colorRampLegendChanged()
1816 {
1817  mLegend->beginCommand( tr( "Edit Legend Item" ) );
1818 
1819  QgsColorRampLegendNodeSettings settings = mColorRampLegendWidget->settings();
1820  QgsMapLayerLegendUtils::setLegendNodeColorRampSettings( mLayer, mOriginalLegendNodeIndex, &settings );
1821  mLegend->model()->refreshLayerLegend( mLayer );
1822 
1823  mLegend->adjustBoxSize();
1824  mLegend->updateFilterByMap();
1825  mLegend->endCommand();
1826 }
1827 
1828 void QgsLayoutLegendNodeWidget::columnBreakToggled( bool checked )
1829 {
1830  mLegend->beginCommand( tr( "Edit Legend Columns" ) );
1831 
1832  if ( mLegendNode )
1833  {
1834  QgsMapLayerLegendUtils::setLegendNodeColumnBreak( mLayer, mOriginalLegendNodeIndex, checked );
1835  mLegend->model()->refreshLayerLegend( mLayer );
1836  }
1837  else if ( mLayer )
1838  {
1839  mLayer->setCustomProperty( QStringLiteral( "legend/column-break" ), QString( checked ? '1' : '0' ) );
1840  }
1841  else if ( mNode )
1842  {
1843  mNode->setCustomProperty( QStringLiteral( "legend/column-break" ), QString( checked ? '1' : '0' ) );
1844  }
1845 
1846  mLegend->adjustBoxSize();
1847  mLegend->updateFilterByMap();
1848  mLegend->endCommand();
1849 }
1850 
1851 void QgsLayoutLegendNodeWidget::columnSplitChanged()
1852 {
1853  mLegend->beginCommand( tr( "Edit Legend Columns" ) );
1854 
1855  if ( mLayer && !mLegendNode )
1856  {
1857  mLayer->setLegendSplitBehavior( static_cast< QgsLayerTreeLayer::LegendNodesSplitBehavior >( mColumnSplitBehaviorComboBox->currentData().toInt() ) );
1858  }
1859 
1860  mLegend->adjustBoxSize();
1861  mLegend->updateFilterByMap();
1862  mLegend->endCommand();
1863 }
1864 
Qgis::SymbolType::Marker
@ Marker
Marker symbol.
Qgis::SymbolType::Line
@ Line
Line symbol.
Qgis::SymbolType::Fill
@ Fill
Fill symbol.
QgsAlignmentComboBox::changed
void changed()
Emitted when the alignment is changed.
QgsApplication::getThemeIcon
static QIcon getThemeIcon(const QString &name, const QColor &fillColor=QColor(), const QColor &strokeColor=QColor())
Helper to get a theme icon.
Definition: qgsapplication.cpp:652
QgsApplication::iconPath
static QString iconPath(const QString &iconFile)
Returns path to the desired icon file.
Definition: qgsapplication.cpp:641
QgsColorButton::colorChanged
void colorChanged(const QColor &color)
Emitted whenever a new color is set for the button.
QgsColorRampLegendNodeSettings
Settings for a color ramp legend node.
Definition: qgscolorramplegendnodesettings.h:38
QgsColorRampLegendNode
A legend node which renders a color ramp.
Definition: qgscolorramplegendnode.h:35
QgsExpressionBuilderDialog
A generic dialog for building expression strings.
Definition: qgsexpressionbuilderdialog.h:31
QgsExpressionContextScope
Single scope for storing variables and functions for use within a QgsExpressionContext.
Definition: qgsexpressioncontext.h:112
QgsExpressionContextScope::addVariable
void addVariable(const QgsExpressionContextScope::StaticVariable &variable)
Adds a variable into the context scope.
Definition: qgsexpressioncontext.cpp:94
QgsExpressionContextUtils::layerScope
static QgsExpressionContextScope * layerScope(const QgsMapLayer *layer)
Creates a new scope which contains variables and functions relating to a QgsMapLayer.
Definition: qgsexpressioncontextutils.cpp:332
QgsExpressionContext
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Definition: qgsexpressioncontext.h:370
QgsExpressionContext::appendScope
void appendScope(QgsExpressionContextScope *scope)
Appends a scope to the end of the context.
Definition: qgsexpressioncontext.cpp:491
QgsExpressionContext::setHighlightedVariables
void setHighlightedVariables(const QStringList &variableNames)
Sets the list of variable names within the context intended to be highlighted to the user.
Definition: qgsexpressioncontext.cpp:325
QgsFeatureRenderer::legendSymbolItems
virtual QgsLegendSymbolList legendSymbolItems() const
Returns a list of symbology items for the legend.
Definition: qgsrenderer.cpp:359
QgsFontButton::ModeQFont
@ ModeQFont
Configure font settings for use with QFont objects.
Definition: qgsfontbutton.h:62
QgsFontButton::changed
void changed()
Emitted when the widget's text format settings are changed.
QgsLayerTreeGroup
Layer tree group node serves as a container for layers and further groups.
Definition: qgslayertreegroup.h:35
QgsLayerTreeGroup::insertChildNode
void insertChildNode(int index, QgsLayerTreeNode *node)
Insert existing node at specified position.
Definition: qgslayertreegroup.cpp:92
QgsLayerTreeGroup::setName
void setName(const QString &n) override
Sets the group's name.
Definition: qgslayertreegroup.cpp:48
QgsLayerTreeGroup::removeChildNode
void removeChildNode(QgsLayerTreeNode *node)
Remove a child node from this group.
Definition: qgslayertreegroup.cpp:132
QgsLayerTreeGroup::name
QString name() const override
Returns the group's name.
Definition: qgslayertreegroup.cpp:43
QgsLayerTreeLayer
Layer tree node points to a map layer.
Definition: qgslayertreelayer.h:44
QgsLayerTreeLayer::setPatchSize
void setPatchSize(QSizeF size)
Sets the user (overridden) size for the legend node.
Definition: qgslayertreelayer.h:182
QgsLayerTreeLayer::labelExpression
QString labelExpression() const
Returns the expression member of the LayerTreeNode.
Definition: qgslayertreelayer.h:144
QgsLayerTreeLayer::LegendNodesSplitBehavior
LegendNodesSplitBehavior
Legend node column split behavior.
Definition: qgslayertreelayer.h:190
QgsLayerTreeLayer::AllowSplittingLegendNodesOverMultipleColumns
@ AllowSplittingLegendNodesOverMultipleColumns
Allow splitting node's legend nodes across multiple columns.
Definition: qgslayertreelayer.h:192
QgsLayerTreeLayer::PreventSplittingLegendNodesOverMultipleColumns
@ PreventSplittingLegendNodesOverMultipleColumns
Prevent splitting node's legend nodes across multiple columns.
Definition: qgslayertreelayer.h:193
QgsLayerTreeLayer::UseDefaultLegendSetting
@ UseDefaultLegendSetting
Inherit default legend column splitting setting.
Definition: qgslayertreelayer.h:191
QgsLayerTreeLayer::setLabelExpression
void setLabelExpression(const QString &expression)
set the expression to evaluate
Definition: qgslayertreelayer.cpp:222
QgsLayerTreeLayer::setPatchShape
void setPatchShape(const QgsLegendPatchShape &shape)
Sets the symbol patch shape to use when rendering the legend node symbol.
Definition: qgslayertreelayer.cpp:232
QgsLayerTreeLayer::layer
QgsMapLayer * layer() const
Returns the map layer associated with this node.
Definition: qgslayertreelayer.h:74
QgsLayerTreeModelLegendNode
The QgsLegendRendererItem class is abstract interface for legend items returned from QgsMapLayerLegen...
Definition: qgslayertreemodellegendnode.h:50
QgsLayerTreeModelLegendNode::SimpleLegend
@ SimpleLegend
Simple label with icon legend node type.
Definition: qgslayertreemodellegendnode.h:91
QgsLayerTreeModelLegendNode::RasterSymbolLegend
@ RasterSymbolLegend
Raster symbol legend node type.
Definition: qgslayertreemodellegendnode.h:93
QgsLayerTreeModelLegendNode::ImageLegend
@ ImageLegend
Raster image legend node type.
Definition: qgslayertreemodellegendnode.h:94
QgsLayerTreeModelLegendNode::DataDefinedSizeLegend
@ DataDefinedSizeLegend
Marker symbol legend node type.
Definition: qgslayertreemodellegendnode.h:96
QgsLayerTreeModelLegendNode::EmbeddedWidget
@ EmbeddedWidget
Embedded widget placeholder node type.
Definition: qgslayertreemodellegendnode.h:97
QgsLayerTreeModelLegendNode::ColorRampLegend
@ ColorRampLegend
Color ramp legend (since QGIS 3.18)
Definition: qgslayertreemodellegendnode.h:98
QgsLayerTreeModelLegendNode::SymbolLegend
@ SymbolLegend
Vector symbol legend node type.
Definition: qgslayertreemodellegendnode.h:92
QgsLayerTreeModelLegendNode::layerNode
QgsLayerTreeLayer * layerNode() const
Returns pointer to the parent layer node.
Definition: qgslayertreemodellegendnode.h:102
QgsLayerTreeModelLegendNode::NodeTypeRole
@ NodeTypeRole
Type of node. Added in 3.16.
Definition: qgslayertreemodellegendnode.h:85
QgsLayerTreeModelLegendNode::model
QgsLayerTreeModel * model() const
Returns pointer to model owning this legend node.
Definition: qgslayertreemodellegendnode.cpp:52
QgsLayerTreeModel::legendNodeEmbeddedInParent
QgsLayerTreeModelLegendNode * legendNodeEmbeddedInParent(QgsLayerTreeLayer *nodeLayer) const
Returns legend node that may be embedded in parent (i.e.
Definition: qgslayertreemodel.cpp:1587
QgsLayerTreeModel::layerOriginalLegendNodes
QList< QgsLayerTreeModelLegendNode * > layerOriginalLegendNodes(QgsLayerTreeLayer *nodeLayer)
Returns original (unfiltered) list of legend nodes attached to a particular layer node.
Definition: qgslayertreemodel.cpp:1614
QgsLayerTreeNode
This class is a base class for nodes in a layer tree.
Definition: qgslayertreenode.h:76
QgsLayerTreeNode::setCustomProperty
void setCustomProperty(const QString &key, const QVariant &value)
Sets a custom property for the node. Properties are stored in a map and saved in project file.
Definition: qgslayertreenode.cpp:197
QgsLayerTreeNode::clone
virtual QgsLayerTreeNode * clone() const =0
Create a copy of the node. Returns new instance.
QgsLayerTreeNode::removeCustomProperty
void removeCustomProperty(const QString &key)
Remove a custom property from layer. Properties are stored in a map and saved in project file.
Definition: qgslayertreenode.cpp:211
QgsLayerTreeNode::customProperty
QVariant customProperty(const QString &key, const QVariant &defaultValue=QVariant()) const
Read a custom property from layer. Properties are stored in a map and saved in project file.
Definition: qgslayertreenode.cpp:206
QgsLayerTreeNode::parent
QgsLayerTreeNode * parent()
Gets pointer to the parent. If parent is nullptr, the node is a root node.
Definition: qgslayertreenode.h:111
QgsLayerTreeNode::customProperties
QStringList customProperties() const
Returns list of keys stored in custom properties.
Definition: qgslayertreenode.cpp:220
QgsLayerTreeUtils::setLegendFilterByExpression
static void setLegendFilterByExpression(QgsLayerTreeLayer &layer, const QString &expr, bool enabled=true)
Sets the expression filter of a legend layer.
Definition: qgslayertreeutils.cpp:425
QgsLayerTreeUtils::legendFilterByExpression
static QString legendFilterByExpression(const QgsLayerTreeLayer &layer, bool *enabled=nullptr)
Returns the expression filter of a legend layer.
Definition: qgslayertreeutils.cpp:431
QgsLayerTreeView
The QgsLayerTreeView class extends QTreeView and provides some additional functionality when working ...
Definition: qgslayertreeview.h:104
QgsLayerTree::isLayer
static bool isLayer(const QgsLayerTreeNode *node)
Check whether the node is a valid layer node.
Definition: qgslayertree.h:53
QgsLayerTree::toLayer
static QgsLayerTreeLayer * toLayer(QgsLayerTreeNode *node)
Cast node to a layer.
Definition: qgslayertree.h:75
QgsLayerTree::isGroup
static bool isGroup(QgsLayerTreeNode *node)
Check whether the node is a valid group node.
Definition: qgslayertree.h:43
QgsLayerTree::toGroup
static QgsLayerTreeGroup * toGroup(QgsLayerTreeNode *node)
Cast node to a group.
Definition: qgslayertree.h:64
QgsLayoutAtlas
Class used to render QgsLayout as an atlas, by iterating over the features from an associated vector ...
Definition: qgslayoutatlas.h:42
QgsLayoutAtlas::toggled
void toggled(bool)
Emitted when atlas is enabled or disabled.
QgsLayoutItemBaseWidget
A base class for property widgets for layout items.
Definition: qgslayoutitemwidget.h:123
QgsLayoutItemComboBox::itemChanged
void itemChanged(QgsLayoutItem *item)
Emitted whenever the currently selected item changes.
QgsLayoutItemLegend
A layout item subclass for map legends.
Definition: qgslayoutitemlegend.h:114
QgsLayoutItemLegend::model
QgsLegendModel * model()
Returns the legend model.
Definition: qgslayoutitemlegend.h:159
QgsLayoutItemMap
Layout graphical items for displaying a map.
Definition: qgslayoutitemmap.h:318
QgsLayoutItemPropertiesWidget
A widget for controlling the common properties of layout items (e.g.
Definition: qgslayoutitemwidget.h:218
QgsLayoutItem
Base class for graphical items within a QgsLayout.
Definition: qgslayoutitem.h:113
QgsLayoutItem::UndoLegendMinSymbolSize
@ UndoLegendMinSymbolSize
Legend minimum symbol size.
Definition: qgslayoutitem.h:256
QgsLayoutItem::UndoLegendTitleSpaceBottom
@ UndoLegendTitleSpaceBottom
Legend title space.
Definition: qgslayoutitem.h:259
QgsLayoutItem::UndoLegendIconSymbolSpace
@ UndoLegendIconSymbolSpace
Legend icon symbol space.
Definition: qgslayoutitem.h:263
QgsLayoutItem::UndoLegendLayerFont
@ UndoLegendLayerFont
Legend layer font.
Definition: qgslayoutitem.h:272
QgsLayoutItem::UndoLegendLineSpacing
@ UndoLegendLineSpacing
Legend line spacing.
Definition: qgslayoutitem.h:267
QgsLayoutItem::UndoLegendBoxSpace
@ UndoLegendBoxSpace
Legend box space.
Definition: qgslayoutitem.h:265
QgsLayoutItem::UndoLegendRasterStrokeColor
@ UndoLegendRasterStrokeColor
Legend raster stroke color.
Definition: qgslayoutitem.h:269
QgsLayoutItem::UndoLegendTitleFont
@ UndoLegendTitleFont
Legend title font.
Definition: qgslayoutitem.h:270
QgsLayoutItem::UndoLegendFontColor
@ UndoLegendFontColor
Legend font color.
Definition: qgslayoutitem.h:264
QgsLayoutItem::UndoLegendItemFont
@ UndoLegendItemFont
Legend item font.
Definition: qgslayoutitem.h:273
QgsLayoutItem::UndoLegendWmsLegendWidth
@ UndoLegendWmsLegendWidth
Legend WMS width.
Definition: qgslayoutitem.h:257
QgsLayoutItem::UndoLegendLayerSpace
@ UndoLegendLayerSpace
Legend layer spacing.
Definition: qgslayoutitem.h:261
QgsLayoutItem::UndoLegendColumnSpace
@ UndoLegendColumnSpace
Legend column space.
Definition: qgslayoutitem.h:266
QgsLayoutItem::UndoLegendMaxSymbolSize
@ UndoLegendMaxSymbolSize
Legend maximum symbol size.
Definition: qgslayoutitem.h:255
QgsLayoutItem::UndoLegendSymbolSpace
@ UndoLegendSymbolSpace
Legend symbol spacing.
Definition: qgslayoutitem.h:262
QgsLayoutItem::UndoLegendSymbolWidth
@ UndoLegendSymbolWidth
Legend symbol width.
Definition: qgslayoutitem.h:253
QgsLayoutItem::UndoLegendColumnCount
@ UndoLegendColumnCount
Legend column count.
Definition: qgslayoutitem.h:252
QgsLayoutItem::UndoLegendSymbolHeight
@ UndoLegendSymbolHeight
Legend symbol height.
Definition: qgslayoutitem.h:254
QgsLayoutItem::UndoLegendGroupSpace
@ UndoLegendGroupSpace
Legend group spacing.
Definition: qgslayoutitem.h:260
QgsLayoutItem::UndoLegendRasterStrokeWidth
@ UndoLegendRasterStrokeWidth
Legend raster stroke width.
Definition: qgslayoutitem.h:268
QgsLayoutItem::UndoLegendText
@ UndoLegendText
Legend text.
Definition: qgslayoutitem.h:251
QgsLayoutItem::UndoLegendWmsLegendHeight
@ UndoLegendWmsLegendHeight
Legend WMS height.
Definition: qgslayoutitem.h:258
QgsLayoutItem::UndoLegendGroupFont
@ UndoLegendGroupFont
Legend group font.
Definition: qgslayoutitem.h:271
QgsLayoutItem::type
int type() const override
Returns a unique graphics item type identifier.
Definition: qgslayoutitem.cpp:124
QgsLayoutLegendLayersDialog
A dialog to add new layers to the legend.
Definition: qgslayoutlegendlayersdialog.h:35
QgsLayoutMeasurementConverter
This class provides a method of converting QgsLayoutMeasurements from one unit to another.
Definition: qgslayoutmeasurementconverter.h:41
QgsLayoutMeasurementConverter::convert
QgsLayoutMeasurement convert(QgsLayoutMeasurement measurement, QgsUnitTypes::LayoutUnit targetUnits) const
Converts a measurement from one unit to another.
Definition: qgslayoutmeasurementconverter.cpp:21
QgsLayoutMeasurementConverter::setDpi
void setDpi(const double dpi)
Sets the dots per inch (dpi) for the measurement converter.
Definition: qgslayoutmeasurementconverter.h:54
QgsLayoutObject::layout
const QgsLayout * layout() const
Returns the layout the object is attached to.
Definition: qgslayoutobject.cpp:200
QgsLayoutObject::changed
void changed()
Emitted when the object's properties change.
QgsLayoutObject::LegendTitle
@ LegendTitle
Legend title.
Definition: qgslayoutobject.h:193
QgsLayoutObject::LegendColumnCount
@ LegendColumnCount
Legend column count.
Definition: qgslayoutobject.h:194
QgsLayoutReportContext::layerChanged
void layerChanged(QgsVectorLayer *layer)
Emitted when the context's layer is changed.
QgsLayout
Base class for layouts, which can contain items such as maps, labels, scalebars, etc.
Definition: qgslayout.h:51
QgsLayout::reportContext
QgsLayoutReportContext & reportContext()
Returns a reference to the layout's report context, which stores information relating to the current ...
Definition: qgslayout.cpp:369
QgsLegendPatchShapeButton::changed
void changed()
Emitted when the shape's settings are changed.
QgsLegendPatchShape
Represents a patch shape for use in map legends.
Definition: qgslegendpatchshape.h:32
QgsLegendPatchShape::setSymbolType
void setSymbolType(Qgis::SymbolType type)
Sets the symbol type associated with this patch.
Definition: qgslegendpatchshape.cpp:215
QgsLegendPatchShape::isNull
bool isNull() const
Returns true if the patch shape is a null QgsLegendPatchShape, which indicates that the default legen...
Definition: qgslegendpatchshape.cpp:32
QgsLegendRenderer::setNodeLegendStyle
static void setNodeLegendStyle(QgsLayerTreeNode *node, QgsLegendStyle::Style style)
Sets the style of a node.
Definition: qgslegendrenderer.cpp:898
QgsLegendRenderer::nodeLegendStyle
static QgsLegendStyle::Style nodeLegendStyle(QgsLayerTreeNode *node, QgsLayerTreeModel *model)
Returns the style for the given node, within the specified model.
Definition: qgslegendrenderer.cpp:870
QgsLegendStyle::styleLabel
static QString styleLabel(Style s)
Returns a translated string representing a style component, for use in UI.
Definition: qgslegendstyle.cpp:124
QgsLegendStyle::Left
@ Left
Left side.
Definition: qgslegendstyle.h:58
QgsLegendStyle::Bottom
@ Bottom
Bottom side.
Definition: qgslegendstyle.h:57
QgsLegendStyle::Top
@ Top
Top side.
Definition: qgslegendstyle.h:56
QgsLegendStyle::Style
Style
Component of legends which can be styled.
Definition: qgslegendstyle.h:41
QgsLegendStyle::Group
@ Group
Legend group title.
Definition: qgslegendstyle.h:45
QgsLegendStyle::Symbol
@ Symbol
Symbol icon (excluding label)
Definition: qgslegendstyle.h:47
QgsLegendStyle::Subgroup
@ Subgroup
Legend subgroup title.
Definition: qgslegendstyle.h:46
QgsLegendStyle::Title
@ Title
Legend title.
Definition: qgslegendstyle.h:44
QgsLegendStyle::Hidden
@ Hidden
Special style, item is hidden including margins around.
Definition: qgslegendstyle.h:43
QgsLegendStyle::SymbolLabel
@ SymbolLabel
Symbol label (excluding icon)
Definition: qgslegendstyle.h:48
QgsMapCanvas
Map canvas is a class for displaying all GIS data types on a canvas.
Definition: qgsmapcanvas.h:86
QgsMapLayerLegendUtils::setLegendNodeOrder
static void setLegendNodeOrder(QgsLayerTreeLayer *nodeLayer, const QList< int > &order)
Definition: qgsmaplayerlegend.cpp:76
QgsMapLayerLegendUtils::setLegendNodeColorRampSettings
static void setLegendNodeColorRampSettings(QgsLayerTreeLayer *nodeLayer, int originalIndex, const QgsColorRampLegendNodeSettings *settings)
Sets a custom legend color ramp settings for the legend node belonging to nodeLayer at the specified ...
Definition: qgsmaplayerlegend.cpp:230
QgsMapLayerLegendUtils::setLegendNodeCustomSymbol
static void setLegendNodeCustomSymbol(QgsLayerTreeLayer *nodeLayer, int originalIndex, const QgsSymbol *symbol)
Sets a custom legend symbol for the legend node belonging to nodeLayer at the specified originalIndex...
Definition: qgsmaplayerlegend.cpp:199
QgsMapLayerLegendUtils::setLegendNodeUserLabel
static void setLegendNodeUserLabel(QgsLayerTreeLayer *nodeLayer, int originalIndex, const QString &newLabel)
Definition: qgsmaplayerlegend.cpp:145
QgsMapLayerLegendUtils::setLegendNodeSymbolSize
static void setLegendNodeSymbolSize(QgsLayerTreeLayer *nodeLayer, int originalIndex, QSizeF size)
Sets the legend symbol size for the legend node belonging to nodeLayer at the specified originalIndex...
Definition: qgsmaplayerlegend.cpp:182
QgsMapLayerLegendUtils::setLegendNodeColumnBreak
static void setLegendNodeColumnBreak(QgsLayerTreeLayer *nodeLayer, int originalIndex, bool columnBreakBeforeNode)
Sets whether a forced column break should occur before the node.
Definition: qgsmaplayerlegend.cpp:264
QgsMapLayerLegendUtils::setLegendNodePatchShape
static void setLegendNodePatchShape(QgsLayerTreeLayer *nodeLayer, int originalIndex, const QgsLegendPatchShape &shape)
Sets the legend patch shape for the legend node belonging to nodeLayer at the specified originalIndex...
Definition: qgsmaplayerlegend.cpp:160
QgsMapLayerLegendUtils::legendNodeOrder
static QList< int > legendNodeOrder(QgsLayerTreeLayer *nodeLayer)
Definition: qgsmaplayerlegend.cpp:113
QgsMapLayer
Base class for all map layer types.
Definition: qgsmaplayer.h:70
QgsMasterLayoutInterface
Interface for master layout type objects, such as print layouts and reports.
Definition: qgsmasterlayoutinterface.h:43
QgsPanelWidget
Base class for any widget that can be shown as a inline panel.
Definition: qgspanelwidget.h:30
QgsPanelWidget::widgetChanged
void widgetChanged()
Emitted when the widget state changes.
QgsPanelWidget::acceptPanel
void acceptPanel()
Accept the panel.
Definition: qgspanelwidget.cpp:112
QgsPanelWidget::setDockMode
virtual void setDockMode(bool dockMode)
Set the widget in dock mode which tells the widget to emit panel widgets and not open dialogs.
Definition: qgspanelwidget.cpp:44
QgsSymbolButton::changed
void changed()
Emitted when the symbol's settings are changed.
QgsSymbolLegendNode
Implementation of legend node interface for displaying preview of vector symbols and their labels and...
Definition: qgslayertreemodellegendnode.h:359
QgsSymbol
Abstract base class for all rendered symbols.
Definition: qgssymbol.h:38
QgsUnitTypes::LayoutPixels
@ LayoutPixels
Pixels.
Definition: qgsunittypes.h:190
QgsVectorLayer
Represents a vector layer which manages a vector based data sets.
Definition: qgsvectorlayer.h:393
QgsVectorLayer::createExpressionContextScope
QgsExpressionContextScope * createExpressionContextScope() const FINAL
This method needs to be reimplemented in all classes which implement this interface and return an exp...
Definition: qgsvectorlayer.cpp:5083
QgsVectorLayer::featureCount
long long featureCount(const QString &legendKey) const
Number of features rendered with specified legend key.
Definition: qgsvectorlayer.cpp:766
QgsVectorLayer::renderer
QgsFeatureRenderer * renderer()
Returns the feature renderer used for rendering the features in the layer in 2D map views.
Definition: qgsvectorlayer.h:911
QgsMapLayerType::VectorLayer
@ VectorLayer
QgsGuiUtils::iconSize
QSize iconSize(bool dockableToolbar)
Returns the user-preferred size of a window's toolbar icons.
Definition: qgsguiutils.cpp:251
QgsWms::legendNode
QgsLayerTreeModelLegendNode * legendNode(const QString &rule, QgsLayerTreeModel &model)
Definition: qgswmsgetlegendgraphics.cpp:346
c
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
Definition: porting_processing.dox:1
whileBlocking
QgsSignalBlocker< Object > whileBlocking(Object *object)
Temporarily blocks signals from a QObject while calling a single method from the object.
Definition: qgis.h:537
QgsLegendSymbolList
QList< QgsLegendSymbolItem > QgsLegendSymbolList
Definition: qgslegendsymbolitem.h:144
qt_defaultDpiX
Q_GUI_EXPORT int qt_defaultDpiX()
QgsExpressionContextScope::StaticVariable
Single variable definition for use within a QgsExpressionContextScope.
Definition: qgsexpressioncontext.h:119
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