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Wire in dialog to select embedded groups and layers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,182 @@ | ||
| #include "qgsembedlayerdialog.h" | ||
| #include <QDomDocument> | ||
| #include <QFileDialog> | ||
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| QgsEmbedLayerDialog::QgsEmbedLayerDialog( QWidget * parent, Qt::WindowFlags f ): QDialog( parent, f ) | ||
| { | ||
| setupUi( this ); | ||
| } | ||
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| QgsEmbedLayerDialog::~QgsEmbedLayerDialog() | ||
| { | ||
| } | ||
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| QList< QPair < QString, QString > > QgsEmbedLayerDialog::embeddedGroups() const | ||
| { | ||
| QList< QPair < QString, QString > > result; | ||
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| QList<QTreeWidgetItem*> items = mTreeWidget->selectedItems(); | ||
| QList<QTreeWidgetItem*>::iterator itemIt = items.begin(); | ||
| for(; itemIt != items.end(); ++itemIt ) | ||
| { | ||
| if( (*itemIt)->data(0, Qt::UserRole).toString() == "group" ) | ||
| { | ||
| result.push_back( qMakePair( (*itemIt)->text( 0 ), mProjectFileLineEdit->text() ) ); | ||
| } | ||
| } | ||
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| return result; | ||
| } | ||
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| QList< QPair < QString, QString > > QgsEmbedLayerDialog::embeddedLayers() const | ||
| { | ||
| QList< QPair < QString, QString > > result; | ||
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| QList<QTreeWidgetItem*> items = mTreeWidget->selectedItems(); | ||
| QList<QTreeWidgetItem*>::iterator itemIt = items.begin(); | ||
| for(; itemIt != items.end(); ++itemIt ) | ||
| { | ||
| if( (*itemIt)->data(0, Qt::UserRole).toString() == "layer" ) | ||
| { | ||
| result.push_back( qMakePair( (*itemIt)->data(0, Qt::UserRole + 1).toString(), mProjectFileLineEdit->text() ) ); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
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| void QgsEmbedLayerDialog::on_mBrowseFileToolButton_clicked() | ||
| { | ||
| QString projectFile = QFileDialog::getOpenFileName( 0, tr("Select project file"), "",tr("QGIS project files (*.qgs)") ); | ||
| if( !projectFile.isEmpty() ) | ||
| { | ||
| mProjectFileLineEdit->setText( projectFile ); | ||
| } | ||
| changeProjectFile(); | ||
| } | ||
|
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| void QgsEmbedLayerDialog::on_mProjectFileLineEdit_editingFinished() | ||
| { | ||
| changeProjectFile(); | ||
| } | ||
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| void QgsEmbedLayerDialog::changeProjectFile() | ||
| { | ||
| mTreeWidget->clear(); | ||
| QFile projectFile( mProjectFileLineEdit->text() ); | ||
| if( !projectFile.exists() ) | ||
| { | ||
| return; | ||
| } | ||
|
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| //parse project file and fill tree | ||
| if( !projectFile.open( QIODevice::ReadOnly ) ) | ||
| { | ||
| return; | ||
| } | ||
|
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| QDomDocument projectDom; | ||
| if( !projectDom.setContent( &projectFile ) ) | ||
| { | ||
| return; | ||
| } | ||
|
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| QDomElement legendElem = projectDom.documentElement().firstChildElement("legend"); | ||
| if( legendElem.isNull() ) | ||
| { | ||
| return; | ||
| } | ||
|
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| QDomNodeList legendChildren = legendElem.childNodes(); | ||
| QDomElement currentChildElem; | ||
|
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||
| for( int i = 0; i < legendChildren.size(); ++i ) | ||
| { | ||
| currentChildElem = legendChildren.at( i ).toElement(); | ||
| if( currentChildElem.tagName() == "legendlayer" ) | ||
| { | ||
| addLegendLayerToTreeWidget( currentChildElem ); | ||
| } | ||
| else if( currentChildElem.tagName() == "legendgroup" ) | ||
| { | ||
| addLegendGroupToTreeWidget( currentChildElem ); | ||
| } | ||
| } | ||
| } | ||
|
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| void QgsEmbedLayerDialog::addLegendGroupToTreeWidget( const QDomElement& groupElem, QTreeWidgetItem* parent ) | ||
| { | ||
| QDomNodeList groupChildren = groupElem.childNodes(); | ||
| QDomElement currentChildElem; | ||
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| QTreeWidgetItem* groupItem = 0; | ||
| if( !parent ) | ||
| { | ||
| groupItem = new QTreeWidgetItem( mTreeWidget ); | ||
| } | ||
| else | ||
| { | ||
| groupItem = new QTreeWidgetItem( parent ); | ||
| } | ||
| groupItem->setText( 0, groupElem.attribute("name") ); | ||
| groupItem->setData( 0, Qt::UserRole, "group" ); | ||
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| for( int i = 0; i < groupChildren.size(); ++i ) | ||
| { | ||
| currentChildElem = groupChildren.at( i ).toElement(); | ||
| if( currentChildElem.tagName() == "legendlayer" ) | ||
| { | ||
| addLegendLayerToTreeWidget( currentChildElem, groupItem ); | ||
| } | ||
| else if( currentChildElem.tagName() == "legendgroup" ) | ||
| { | ||
| addLegendGroupToTreeWidget( currentChildElem, groupItem ); | ||
| } | ||
| } | ||
| } | ||
|
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||
| void QgsEmbedLayerDialog::addLegendLayerToTreeWidget( const QDomElement& layerElem, QTreeWidgetItem* parent ) | ||
| { | ||
| QTreeWidgetItem* item = 0; | ||
| if( parent ) | ||
| { | ||
| item = new QTreeWidgetItem( parent ); | ||
| } | ||
| else | ||
| { | ||
| item = new QTreeWidgetItem( mTreeWidget ); | ||
| } | ||
| item->setText( 0, layerElem.attribute("name") ); | ||
| item->setData( 0, Qt::UserRole, "layer" ); | ||
| item->setData( 0, Qt::UserRole + 1, layerElem.firstChildElement("filegroup").firstChildElement("legendlayerfile").attribute("layerid") ); | ||
| } | ||
|
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| void QgsEmbedLayerDialog::on_mTreeWidget_itemSelectionChanged() | ||
| { | ||
| mTreeWidget->blockSignals( true ); | ||
| QList<QTreeWidgetItem*> items = mTreeWidget->selectedItems(); | ||
| QList<QTreeWidgetItem*>::iterator itemIt = items.begin(); | ||
| for(; itemIt != items.end(); ++itemIt ) | ||
| { | ||
| //deselect children recursively | ||
| unselectChildren( *itemIt ); | ||
| } | ||
| mTreeWidget->blockSignals( false ); | ||
| } | ||
|
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| void QgsEmbedLayerDialog::unselectChildren( QTreeWidgetItem* item ) | ||
| { | ||
| if( !item ) | ||
| { | ||
| return; | ||
| } | ||
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| QTreeWidgetItem* currentChild = 0; | ||
| for( int i = 0; i < item->childCount(); ++i ) | ||
| { | ||
| currentChild = item->child( i ); | ||
| currentChild->setSelected( false ); | ||
| unselectChildren( currentChild ); | ||
| } | ||
| } | ||
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