C++ (Cpp) updateCategorizedSymbolIcon示例

示例#1

文件： qgscategorizedsymbolrendererv2widget.cpp 项目： AaronGaim/QGIS

void QgsCategorizedSymbolRendererV2Widget::updateUiFromRenderer()
{
  // Note: This assumes that the signals for UI element changes have not
  // yet been connected, so that the updates to color ramp, symbol, etc
  // don't override existing customisations.

  updateCategorizedSymbolIcon();

  //mModel->setRenderer ( mRenderer ); // necessary?

  // set column
  QString attrName = mRenderer->classAttribute();
  mExpressionWidget->setField( attrName );

  // set source symbol
  if ( mRenderer->sourceSymbol() )
  {
    delete mCategorizedSymbol;
    mCategorizedSymbol = mRenderer->sourceSymbol()->clone();
    updateCategorizedSymbolIcon();
  }

  // set source color ramp
  if ( mRenderer->sourceColorRamp() )
  {
    cboCategorizedColorRamp->setSourceColorRamp( mRenderer->sourceColorRamp() );
    cbxInvertedColorRamp->setChecked( mRenderer->invertedColorRamp() );
  }

}

示例#2

文件： qgscategorizedsymbolrendererv2widget.cpp 项目： coyotte508/Quantum-GIS

void QgsCategorizedSymbolRendererV2Widget::updateUiFromRenderer()
{

  updateCategorizedSymbolIcon();
  populateCategories();

  // set column
  disconnect( cboCategorizedColumn, SIGNAL( currentIndexChanged( int ) ), this, SLOT( categoryColumnChanged() ) );
  QString attrName = mRenderer->classAttribute();
  mOldClassificationAttribute = attrName;
  int idx = cboCategorizedColumn->findText( attrName, Qt::MatchExactly );
  cboCategorizedColumn->setCurrentIndex( idx >= 0 ? idx : 0 );
  connect( cboCategorizedColumn, SIGNAL( currentIndexChanged( int ) ), this, SLOT( categoryColumnChanged() ) );

  // set source symbol
  if ( mRenderer->sourceSymbol() )
  {
    delete mCategorizedSymbol;
    mCategorizedSymbol = mRenderer->sourceSymbol()->clone();
    updateCategorizedSymbolIcon();
  }

  // set source color ramp
  if ( mRenderer->sourceColorRamp() )
  {
    cboCategorizedColorRamp->setSourceColorRamp( mRenderer->sourceColorRamp() );
  }

}

示例#3

文件： qgscategorizedsymbolrendererwidget.cpp 项目： aaime/QGIS

void QgsCategorizedSymbolRendererWidget::updateUiFromRenderer()
{
  // Note: This assumes that the signals for UI element changes have not
  // yet been connected, so that the updates to color ramp, symbol, etc
  // don't override existing customizations.

  updateCategorizedSymbolIcon();

  //mModel->setRenderer ( mRenderer ); // necessary?

  // set column
  QString attrName = mRenderer->classAttribute();
  mExpressionWidget->setField( attrName );

  // set source symbol
  if ( mRenderer->sourceSymbol() )
  {
    mCategorizedSymbol.reset( mRenderer->sourceSymbol()->clone() );
    updateCategorizedSymbolIcon();
  }

  // if a color ramp attached to the renderer, enable the color ramp button
  if ( mRenderer->sourceColorRamp() )
  {
    btnColorRamp->setColorRamp( mRenderer->sourceColorRamp() );
  }
}

示例#4

文件： qgscategorizedsymbolrendererv2widget.cpp 项目： coyotte508/Quantum-GIS

void QgsCategorizedSymbolRendererV2Widget::changeCategorizedSymbol()
{
  QgsSymbolV2SelectorDialog dlg( mCategorizedSymbol, mStyle, mLayer, this );
  if ( !dlg.exec() )
    return;

  updateCategorizedSymbolIcon();
}