qgsrenderermeshpropertieswidget.cpp

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/***************************************************************************
    qgsrenderermeshpropertieswidget.cpp
    -----------------------------------
    begin                : June 2018
    copyright            : (C) 2018 by Peter Petrik
    email                : zilolv at gmail dot com
 ***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
 
#include "qgsrenderermeshpropertieswidget.h"
 
#include "qgis.h"
#include "qgsmapcanvas.h"
#include "qgsmeshlayer.h"
#include "qgsmeshrendererscalarsettingswidget.h"
#include "qgsmeshrendereractivedatasetwidget.h"
#include "qgsproject.h"
#include "qgsprojectutils.h"
 
QgsRendererMeshPropertiesWidget::QgsRendererMeshPropertiesWidget( QgsMeshLayer *layer, QgsMapCanvas *canvas, QWidget *parent )
  : QgsMapLayerConfigWidget( layer, canvas, parent )
  , mMeshLayer( layer )
{
  if ( !mMeshLayer )
    return;
 
  setupUi( this );
 
  connect( mMeshLayer,
           &QgsMeshLayer::dataChanged,
           this,
           &QgsRendererMeshPropertiesWidget::syncToLayerPrivate );
 
  mMeshRendererActiveDatasetWidget->setLayer( mMeshLayer );
  mMeshRendererScalarSettingsWidget->setLayer( mMeshLayer );
  mNativeMeshSettingsWidget->setLayer( mMeshLayer, QgsMeshRendererMeshSettingsWidget::MeshType::Native );
  mTriangularMeshSettingsWidget->setLayer( mMeshLayer, QgsMeshRendererMeshSettingsWidget::MeshType::Triangular );
  mEdgeMeshSettingsWidget->setLayer( mMeshLayer, QgsMeshRendererMeshSettingsWidget::MeshType::Edge );
  mMeshRendererVectorSettingsWidget->setLayer( mMeshLayer );
  m3dAveragingSettingsWidget->setLayer( mMeshLayer );
  syncToLayer( mMeshLayer );
 
  //blend mode
  mBlendModeComboBox->setShowClippingModes( QgsProjectUtils::layerIsContainedInGroupLayer( QgsProject::instance(), mMeshLayer ) );
  mBlendModeComboBox->setBlendMode( mMeshLayer->blendMode() );
  connect( mBlendModeComboBox, static_cast<void ( QComboBox::* )( int )>( &QComboBox::currentIndexChanged ), this, &QgsPanelWidget::widgetChanged );
 
  mOpacityWidget->setOpacity( mMeshLayer->opacity() );
  connect( mOpacityWidget, &QgsOpacityWidget::opacityChanged, this, &QgsPanelWidget::widgetChanged );
 
  connect( mMeshRendererActiveDatasetWidget, &QgsMeshRendererActiveDatasetWidget::activeScalarGroupChanged,
           this, &QgsRendererMeshPropertiesWidget::onActiveScalarGroupChanged );
  connect( mMeshRendererActiveDatasetWidget, &QgsMeshRendererActiveDatasetWidget::activeVectorGroupChanged,
           this, &QgsRendererMeshPropertiesWidget::onActiveVectorGroupChanged );
 
  connect( mNativeMeshGroup, &QGroupBox::toggled, this, &QgsPanelWidget::widgetChanged );
  connect( mEdgeMeshGroup, &QGroupBox::toggled, this, &QgsPanelWidget::widgetChanged );
  connect( mTriangularMeshGroup, &QGroupBox::toggled, this, &QgsPanelWidget::widgetChanged );
  connect( mContoursGroupBox, &QGroupBox::toggled, this, &QgsPanelWidget::widgetChanged );
  connect( mVectorsGroupBox, &QGroupBox::toggled, this, &QgsPanelWidget::widgetChanged );
  connect( mMeshRendererActiveDatasetWidget, &QgsMeshRendererActiveDatasetWidget::widgetChanged, this, &QgsPanelWidget::widgetChanged );
  connect( mMeshRendererScalarSettingsWidget, &QgsMeshRendererScalarSettingsWidget::widgetChanged, this, &QgsPanelWidget::widgetChanged );
  connect( mMeshRendererVectorSettingsWidget, &QgsMeshRendererVectorSettingsWidget::widgetChanged, this, &QgsPanelWidget::widgetChanged );
  connect( mNativeMeshSettingsWidget, &QgsMeshRendererMeshSettingsWidget::widgetChanged,
           this, &QgsPanelWidget::widgetChanged );
  connect( mTriangularMeshSettingsWidget, &QgsMeshRendererMeshSettingsWidget::widgetChanged,
           this, &QgsPanelWidget::widgetChanged );
  connect( mEdgeMeshSettingsWidget, &QgsMeshRendererMeshSettingsWidget::widgetChanged,
           this, &QgsPanelWidget::widgetChanged );
  connect( m3dAveragingSettingsWidget, &QgsMeshRenderer3DAveragingWidget::widgetChanged, this, &QgsPanelWidget::widgetChanged );
}
 
void QgsRendererMeshPropertiesWidget::apply()
{
  if ( !mMeshLayer )
    return;
 
  // 1D EDGE MESH
  const bool edgeMeshRenderingIsEnabled = mEdgeMeshGroup->isChecked();
  QgsMeshRendererMeshSettings edgeMeshSettings = mEdgeMeshSettingsWidget->settings();
  edgeMeshSettings.setEnabled( edgeMeshRenderingIsEnabled );
 
  // 2D NATIVE MESH
  const bool nativeMeshRenderingIsEnabled = mNativeMeshGroup->isChecked();
  QgsMeshRendererMeshSettings nativeMeshSettings = mNativeMeshSettingsWidget->settings();
  nativeMeshSettings.setEnabled( nativeMeshRenderingIsEnabled );
 
  // 2D TRIANGULAR MESH
  const bool triangularMeshRenderingIsEnabled = mTriangularMeshGroup->isChecked();
  QgsMeshRendererMeshSettings triangularMeshSettings = mTriangularMeshSettingsWidget->settings();
  triangularMeshSettings.setEnabled( triangularMeshRenderingIsEnabled );
 
  // SCALAR
  int activeScalarDatasetGroupIndex = mMeshRendererActiveDatasetWidget->activeScalarDatasetGroup();
  if ( !mContoursGroupBox->isChecked() )
    activeScalarDatasetGroupIndex = -1;
 
  // VECTOR
  int activeVectorDatasetGroupIndex = mMeshRendererActiveDatasetWidget->activeVectorDatasetGroup();
  if ( !mVectorsGroupBox->isChecked() )
    activeVectorDatasetGroupIndex = -1;
 
  QgsMeshRendererSettings settings = mMeshLayer->rendererSettings();
  settings.setEdgeMeshSettings( edgeMeshSettings );
  settings.setNativeMeshSettings( nativeMeshSettings );
  settings.setTriangularMeshSettings( triangularMeshSettings );
 
  settings.setActiveScalarDatasetGroup( activeScalarDatasetGroupIndex );
  if ( activeScalarDatasetGroupIndex > -1 )
    settings.setScalarSettings( activeScalarDatasetGroupIndex, mMeshRendererScalarSettingsWidget->settings() );
 
  settings.setActiveVectorDatasetGroup( activeVectorDatasetGroupIndex );
  if ( activeVectorDatasetGroupIndex > -1 )
    settings.setVectorSettings( activeVectorDatasetGroupIndex, mMeshRendererVectorSettingsWidget->settings() );
 
  const QgsMeshDatasetIndex staticScalarDatasetIndex( activeScalarDatasetGroupIndex, mMeshLayer->staticScalarDatasetIndex().dataset() );
  const QgsMeshDatasetIndex staticVectorDatasetIndex( activeVectorDatasetGroupIndex, mMeshLayer->staticVectorDatasetIndex().dataset() );
  mMeshLayer->setStaticScalarDatasetIndex( staticScalarDatasetIndex );
  mMeshLayer->setStaticVectorDatasetIndex( staticVectorDatasetIndex );
 
  //set the blend mode and opacity for the layer
  mMeshLayer->setBlendMode( mBlendModeComboBox->blendMode() );
  mLayer->setOpacity( mOpacityWidget->opacity() );
  //set the averaging method for the layer
  const std::unique_ptr<QgsMesh3DAveragingMethod> averagingMethod( m3dAveragingSettingsWidget->averagingMethod() );
  settings.setAveragingMethod( averagingMethod.get() );
  mMeshLayer->setRendererSettings( settings );
  mMeshLayer->triggerRepaint();
 
  QgsSettings windowsSettings;
  windowsSettings.setValue( QStringLiteral( "/Windows/RendererMeshProperties/tab" ), mStyleOptionsTab->currentIndex() );
}
 
void QgsRendererMeshPropertiesWidget::syncToLayer( QgsMapLayer *mapLayer )
{
  QgsMeshLayer *ml = qobject_cast<QgsMeshLayer *>( mapLayer );
  if ( ml )
  {
    mLayer = ml;
    mMeshRendererActiveDatasetWidget->setLayer( ml );
    mNativeMeshSettingsWidget->setLayer( ml, QgsMeshRendererMeshSettingsWidget::Native );
    mTriangularMeshSettingsWidget->setLayer( ml, QgsMeshRendererMeshSettingsWidget::Triangular );
    mEdgeMeshSettingsWidget->setLayer( ml, QgsMeshRendererMeshSettingsWidget::Edge );
    m3dAveragingSettingsWidget->setLayer( ml );
  }
  else
    return;
 
  syncToLayerPrivate();
}
 
void QgsRendererMeshPropertiesWidget::syncToLayerPrivate()
{
  mMeshRendererActiveDatasetWidget->syncToLayer();
  mNativeMeshSettingsWidget->syncToLayer();
  mTriangularMeshSettingsWidget->syncToLayer();
  mEdgeMeshSettingsWidget->syncToLayer();
  m3dAveragingSettingsWidget->syncToLayer();
 
  mNativeMeshGroup->setChecked( mMeshLayer ? mMeshLayer->rendererSettings().nativeMeshSettings().isEnabled() : false );
  mTriangularMeshGroup->setChecked( mMeshLayer ? mMeshLayer->rendererSettings().triangularMeshSettings().isEnabled() : false );
  mEdgeMeshGroup->setChecked( mMeshLayer ? mMeshLayer->rendererSettings().edgeMeshSettings().isEnabled() : false );
 
  onActiveScalarGroupChanged( mMeshLayer->rendererSettings().activeScalarDatasetGroup() );
  onActiveVectorGroupChanged( mMeshLayer->rendererSettings().activeVectorDatasetGroup() );
 
  const bool hasFaces = ( mMeshLayer->contains( QgsMesh::ElementType::Face ) );
  mFaceMeshGroupBox->setVisible( hasFaces || !mMeshLayer->isValid() );
 
  const bool hasEdges = ( mMeshLayer->contains( QgsMesh::ElementType::Edge ) );
  mEdgeMeshGroupBox->setVisible( hasEdges || !mMeshLayer->isValid() );
 
  QgsSettings settings;
  if ( !settings.contains( QStringLiteral( "/Windows/RendererMeshProperties/tab" ) ) )
    settings.setValue( QStringLiteral( "/Windows/RendererMeshProperties/tab" ), 0 );
  else
    mStyleOptionsTab->setCurrentIndex( settings.value( QStringLiteral( "/Windows/RendererMeshProperties/tab" ) ).toInt() );
}
 
void QgsRendererMeshPropertiesWidget::onActiveScalarGroupChanged( int groupIndex )
{
  mMeshRendererScalarSettingsWidget->setActiveDatasetGroup( groupIndex );
  mMeshRendererScalarSettingsWidget->syncToLayer();
  mContoursGroupBox->setChecked( groupIndex >= 0 );
  mContoursGroupBox->setEnabled( groupIndex >= 0 );
}
 
void QgsRendererMeshPropertiesWidget::onActiveVectorGroupChanged( int groupIndex )
{
  if ( groupIndex >= 0 && !mMeshLayer->datasetGroupMetadata( groupIndex ).isVector() )
    groupIndex = -1;
  mMeshRendererVectorSettingsWidget->setActiveDatasetGroup( groupIndex );
  mMeshRendererVectorSettingsWidget->syncToLayer();
  mVectorsGroupBox->setChecked( groupIndex >= 0 );
  mVectorsGroupBox->setEnabled( groupIndex >= 0 );
}