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| 1 | +#include "qgsembedlayerdialog.h" |
| 2 | +#include <QDomDocument> |
| 3 | +#include <QFileDialog> |
| 4 | + |
| 5 | +QgsEmbedLayerDialog::QgsEmbedLayerDialog( QWidget * parent, Qt::WindowFlags f ): QDialog( parent, f ) |
| 6 | +{ |
| 7 | + setupUi( this ); |
| 8 | +} |
| 9 | + |
| 10 | +QgsEmbedLayerDialog::~QgsEmbedLayerDialog() |
| 11 | +{ |
| 12 | +} |
| 13 | + |
| 14 | +QList< QPair < QString, QString > > QgsEmbedLayerDialog::embeddedGroups() const |
| 15 | +{ |
| 16 | + QList< QPair < QString, QString > > result; |
| 17 | + |
| 18 | + QList<QTreeWidgetItem*> items = mTreeWidget->selectedItems(); |
| 19 | + QList<QTreeWidgetItem*>::iterator itemIt = items.begin(); |
| 20 | + for(; itemIt != items.end(); ++itemIt ) |
| 21 | + { |
| 22 | + if( (*itemIt)->data(0, Qt::UserRole).toString() == "group" ) |
| 23 | + { |
| 24 | + result.push_back( qMakePair( (*itemIt)->text( 0 ), mProjectFileLineEdit->text() ) ); |
| 25 | + } |
| 26 | + } |
| 27 | + |
| 28 | + return result; |
| 29 | +} |
| 30 | + |
| 31 | +QList< QPair < QString, QString > > QgsEmbedLayerDialog::embeddedLayers() const |
| 32 | +{ |
| 33 | + QList< QPair < QString, QString > > result; |
| 34 | + |
| 35 | + QList<QTreeWidgetItem*> items = mTreeWidget->selectedItems(); |
| 36 | + QList<QTreeWidgetItem*>::iterator itemIt = items.begin(); |
| 37 | + for(; itemIt != items.end(); ++itemIt ) |
| 38 | + { |
| 39 | + if( (*itemIt)->data(0, Qt::UserRole).toString() == "layer" ) |
| 40 | + { |
| 41 | + result.push_back( qMakePair( (*itemIt)->data(0, Qt::UserRole + 1).toString(), mProjectFileLineEdit->text() ) ); |
| 42 | + } |
| 43 | + } |
| 44 | + return result; |
| 45 | +} |
| 46 | + |
| 47 | +void QgsEmbedLayerDialog::on_mBrowseFileToolButton_clicked() |
| 48 | +{ |
| 49 | + QString projectFile = QFileDialog::getOpenFileName( 0, tr("Select project file"), "",tr("QGIS project files (*.qgs)") ); |
| 50 | + if( !projectFile.isEmpty() ) |
| 51 | + { |
| 52 | + mProjectFileLineEdit->setText( projectFile ); |
| 53 | + } |
| 54 | + changeProjectFile(); |
| 55 | +} |
| 56 | + |
| 57 | +void QgsEmbedLayerDialog::on_mProjectFileLineEdit_editingFinished() |
| 58 | +{ |
| 59 | + changeProjectFile(); |
| 60 | +} |
| 61 | + |
| 62 | +void QgsEmbedLayerDialog::changeProjectFile() |
| 63 | +{ |
| 64 | + mTreeWidget->clear(); |
| 65 | + QFile projectFile( mProjectFileLineEdit->text() ); |
| 66 | + if( !projectFile.exists() ) |
| 67 | + { |
| 68 | + return; |
| 69 | + } |
| 70 | + |
| 71 | + //parse project file and fill tree |
| 72 | + if( !projectFile.open( QIODevice::ReadOnly ) ) |
| 73 | + { |
| 74 | + return; |
| 75 | + } |
| 76 | + |
| 77 | + QDomDocument projectDom; |
| 78 | + if( !projectDom.setContent( &projectFile ) ) |
| 79 | + { |
| 80 | + return; |
| 81 | + } |
| 82 | + |
| 83 | + QDomElement legendElem = projectDom.documentElement().firstChildElement("legend"); |
| 84 | + if( legendElem.isNull() ) |
| 85 | + { |
| 86 | + return; |
| 87 | + } |
| 88 | + |
| 89 | + QDomNodeList legendChildren = legendElem.childNodes(); |
| 90 | + QDomElement currentChildElem; |
| 91 | + |
| 92 | + for( int i = 0; i < legendChildren.size(); ++i ) |
| 93 | + { |
| 94 | + currentChildElem = legendChildren.at( i ).toElement(); |
| 95 | + if( currentChildElem.tagName() == "legendlayer" ) |
| 96 | + { |
| 97 | + addLegendLayerToTreeWidget( currentChildElem ); |
| 98 | + } |
| 99 | + else if( currentChildElem.tagName() == "legendgroup" ) |
| 100 | + { |
| 101 | + addLegendGroupToTreeWidget( currentChildElem ); |
| 102 | + } |
| 103 | + } |
| 104 | +} |
| 105 | + |
| 106 | +void QgsEmbedLayerDialog::addLegendGroupToTreeWidget( const QDomElement& groupElem, QTreeWidgetItem* parent ) |
| 107 | +{ |
| 108 | + QDomNodeList groupChildren = groupElem.childNodes(); |
| 109 | + QDomElement currentChildElem; |
| 110 | + |
| 111 | + QTreeWidgetItem* groupItem = 0; |
| 112 | + if( !parent ) |
| 113 | + { |
| 114 | + groupItem = new QTreeWidgetItem( mTreeWidget ); |
| 115 | + } |
| 116 | + else |
| 117 | + { |
| 118 | + groupItem = new QTreeWidgetItem( parent ); |
| 119 | + } |
| 120 | + groupItem->setText( 0, groupElem.attribute("name") ); |
| 121 | + groupItem->setData( 0, Qt::UserRole, "group" ); |
| 122 | + |
| 123 | + for( int i = 0; i < groupChildren.size(); ++i ) |
| 124 | + { |
| 125 | + currentChildElem = groupChildren.at( i ).toElement(); |
| 126 | + if( currentChildElem.tagName() == "legendlayer" ) |
| 127 | + { |
| 128 | + addLegendLayerToTreeWidget( currentChildElem, groupItem ); |
| 129 | + } |
| 130 | + else if( currentChildElem.tagName() == "legendgroup" ) |
| 131 | + { |
| 132 | + addLegendGroupToTreeWidget( currentChildElem, groupItem ); |
| 133 | + } |
| 134 | + } |
| 135 | +} |
| 136 | + |
| 137 | +void QgsEmbedLayerDialog::addLegendLayerToTreeWidget( const QDomElement& layerElem, QTreeWidgetItem* parent ) |
| 138 | +{ |
| 139 | + QTreeWidgetItem* item = 0; |
| 140 | + if( parent ) |
| 141 | + { |
| 142 | + item = new QTreeWidgetItem( parent ); |
| 143 | + } |
| 144 | + else |
| 145 | + { |
| 146 | + item = new QTreeWidgetItem( mTreeWidget ); |
| 147 | + } |
| 148 | + item->setText( 0, layerElem.attribute("name") ); |
| 149 | + item->setData( 0, Qt::UserRole, "layer" ); |
| 150 | + item->setData( 0, Qt::UserRole + 1, layerElem.firstChildElement("filegroup").firstChildElement("legendlayerfile").attribute("layerid") ); |
| 151 | +} |
| 152 | + |
| 153 | +void QgsEmbedLayerDialog::on_mTreeWidget_itemSelectionChanged() |
| 154 | +{ |
| 155 | + mTreeWidget->blockSignals( true ); |
| 156 | + QList<QTreeWidgetItem*> items = mTreeWidget->selectedItems(); |
| 157 | + QList<QTreeWidgetItem*>::iterator itemIt = items.begin(); |
| 158 | + for(; itemIt != items.end(); ++itemIt ) |
| 159 | + { |
| 160 | + //deselect children recursively |
| 161 | + unselectChildren( *itemIt ); |
| 162 | + } |
| 163 | + mTreeWidget->blockSignals( false ); |
| 164 | +} |
| 165 | + |
| 166 | +void QgsEmbedLayerDialog::unselectChildren( QTreeWidgetItem* item ) |
| 167 | +{ |
| 168 | + if( !item ) |
| 169 | + { |
| 170 | + return; |
| 171 | + } |
| 172 | + |
| 173 | + QTreeWidgetItem* currentChild = 0; |
| 174 | + for( int i = 0; i < item->childCount(); ++i ) |
| 175 | + { |
| 176 | + currentChild = item->child( i ); |
| 177 | + currentChild->setSelected( false ); |
| 178 | + unselectChildren( currentChild ); |
| 179 | + } |
| 180 | +} |
| 181 | + |
| 182 | + |
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