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qgscomposeritemcommand.h
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1 /***************************************************************************
2  qgscomposeritemcommand.h
3  ------------------------
4  begin : 2010-11-18
5  copyright : (C) 2010 by Marco Hugentobler
6  email : marco dot hugentobler at sourcepole dot ch
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 #ifndef QGSCOMPOSERITEMCOMMAND_H
19 #define QGSCOMPOSERITEMCOMMAND_H
20 
21 #include <QUndoCommand>
22 #include <QDomDocument>
23 
24 class QgsComposerItem;
25 class QgsComposerMultiFrame;
26 
28 class CORE_EXPORT QgsComposerItemCommand: public QUndoCommand
29 {
30  public:
31  QgsComposerItemCommand( QgsComposerItem* item, const QString& text, QUndoCommand* parent = 0 );
32  virtual ~QgsComposerItemCommand();
33 
35  void undo() override;
37  void redo() override;
38 
40  void savePreviousState();
42  void saveAfterState();
43 
44  QDomDocument previousState() const { return mPreviousState.cloneNode().toDocument(); }
45  QDomDocument afterState() const { return mAfterState.cloneNode().toDocument(); }
46 
48  bool containsChange() const;
49 
53  QgsComposerItem *item() const;
54 
55  protected:
57  QgsComposerItem* mItem;
59  QDomDocument mPreviousState;
61  QDomDocument mAfterState;
62 
65  QgsComposerMultiFrame* mMultiFrame;
66  int mFrameNumber;
67 
69  bool mFirstRun;
70 
71  void saveState( QDomDocument& stateDoc ) const;
72  void restoreState( QDomDocument& stateDoc ) const;
73 };
74 
77 class CORE_EXPORT QgsComposerMergeCommand: public QgsComposerItemCommand
78 {
79  public:
80  enum Context
81  {
82  Unknown = 0,
83  //composer label
84  ComposerLabelSetText,
85  ComposerLabelSetId,
86  //composer map
87  ComposerMapRotation,
88  ComposerMapAnnotationDistance,
89  //composer legend
90  ComposerLegendText,
91  LegendColumnCount,
92  LegendSplitLayer,
93  LegendEqualColumnWidth,
94  LegendSymbolWidth,
95  LegendSymbolHeight,
96  LegendWmsLegendWidth,
97  LegendWmsLegendHeight,
98  LegendTitleSpaceBottom,
99  LegendGroupSpace,
100  LegendLayerSpace,
101  LegendSymbolSpace,
102  LegendIconSymbolSpace,
103  LegendBoxSpace,
104  LegendColumnSpace,
105  //composer picture
106  ComposerPictureRotation,
107  // composer scalebar
108  ScaleBarLineWidth,
109  ScaleBarHeight,
110  ScaleBarSegmentSize,
111  ScaleBarSegmentsLeft,
112  ScaleBarNSegments,
113  ScaleBarUnitText,
114  ScaleBarMapUnitsSegment,
115  ScaleBarLabelBarSize,
116  ScaleBarBoxContentSpace,
117  // composer table
118  TableMaximumFeatures,
119  TableMargin,
120  TableGridStrokeWidth,
121  //composer shape
122  ShapeCornerRadius,
123  ShapeOutlineWidth,
124  //composer arrow
125  ArrowOutlineWidth,
126  ArrowHeadWidth,
127  //item
128  ItemOutlineWidth,
129  ItemMove,
130  ItemRotation,
131  ItemTransparency,
132  ItemZoomContent
133  };
134 
135  QgsComposerMergeCommand( Context c, QgsComposerItem* item, const QString& text );
136  ~QgsComposerMergeCommand();
137 
138  bool mergeWith( const QUndoCommand * command ) override;
139  int id() const override { return ( int )mContext; }
140 
141  private:
142  Context mContext;
143 };
144 
145 #endif // QGSCOMPOSERITEMCOMMAND_H
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