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[FEATURE] Add UI for configuring layer-by-layer export attributes and…
… layer groups to GeoPDF export Allows users to set on a layer-by-layer basis whether layers should be identifiable and include vector features in a GeoPDF export, and optionally whether to group multiple layers together into a single logical, switchable entry in the GeoPDF layer tree.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| /*************************************************************************** | ||
| qgsgeopdflayertreemodel.cpp | ||
| --------------------- | ||
| begin : August 2019 | ||
| copyright : (C) 2019 by Nyall Dawson | ||
| email : nyall dot dawson 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 <QComboBox> | ||
| #include <QDoubleSpinBox> | ||
|
|
||
| #include "qgsgeopdflayertreemodel.h" | ||
| #include "qgslayertree.h" | ||
| #include "qgsproject.h" | ||
| #include "qgsvectorlayer.h" | ||
| #include "qgsapplication.h" | ||
|
|
||
| QgsGeoPdfLayerTreeModel::QgsGeoPdfLayerTreeModel( QgsLayerTree *rootNode, QObject *parent ) | ||
| : QgsLayerTreeModel( rootNode, parent ) | ||
| { | ||
| setFlags( nullptr ); // ideally we'd just show embedded legend nodes - but the api doesn't exist for this | ||
| } | ||
|
|
||
| int QgsGeoPdfLayerTreeModel::columnCount( const QModelIndex &parent ) const | ||
| { | ||
| Q_UNUSED( parent ) | ||
| return 2; | ||
| } | ||
|
|
||
| Qt::ItemFlags QgsGeoPdfLayerTreeModel::flags( const QModelIndex &idx ) const | ||
| { | ||
| if ( idx.column() == LayerColumn ) | ||
| { | ||
| return QgsLayerTreeModel::flags( idx ) | Qt::ItemIsUserCheckable; | ||
| } | ||
|
|
||
| QgsVectorLayer *vl = vectorLayer( idx ); | ||
| if ( !vl ) | ||
| { | ||
| return Qt::NoItemFlags; | ||
| } | ||
| else | ||
| { | ||
| const QModelIndex layerIndex = sibling( idx.row(), LayerColumn, idx ); | ||
| if ( data( layerIndex, Qt::CheckStateRole ) == Qt::Checked ) | ||
| { | ||
| return Qt::ItemIsEnabled | Qt::ItemIsEditable; | ||
| } | ||
| } | ||
| return Qt::NoItemFlags; | ||
| } | ||
|
|
||
| QgsVectorLayer *QgsGeoPdfLayerTreeModel::vectorLayer( const QModelIndex &idx ) const | ||
| { | ||
| QgsLayerTreeNode *node = index2node( index( idx.row(), LayerColumn, idx.parent() ) ); | ||
| if ( !node || !QgsLayerTree::isLayer( node ) ) | ||
| return nullptr; | ||
|
|
||
| return qobject_cast<QgsVectorLayer *>( QgsLayerTree::toLayer( node )->layer() ); | ||
| } | ||
|
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||
| QVariant QgsGeoPdfLayerTreeModel::headerData( int section, Qt::Orientation orientation, int role ) const | ||
| { | ||
| if ( orientation == Qt::Horizontal ) | ||
| { | ||
| if ( role == Qt::DisplayRole ) | ||
| { | ||
| switch ( section ) | ||
| { | ||
| case 0: | ||
| return tr( "Layer" ); | ||
| case 1: | ||
| return tr( "PDF Group" ); | ||
| default: | ||
| return QVariant(); | ||
| } | ||
| } | ||
| } | ||
| return QgsLayerTreeModel::headerData( section, orientation, role ); | ||
| } | ||
|
|
||
| QVariant QgsGeoPdfLayerTreeModel::data( const QModelIndex &idx, int role ) const | ||
| { | ||
| switch ( idx.column() ) | ||
| { | ||
| case LayerColumn: | ||
| { | ||
| if ( role == Qt::CheckStateRole ) | ||
| { | ||
| QgsLayerTreeNode *node = index2node( index( idx.row(), LayerColumn, idx.parent() ) ); | ||
| QgsVectorLayer *vl = vectorLayer( idx ); | ||
| if ( vl ) | ||
| { | ||
| const QVariant v = vl->customProperty( QStringLiteral( "geopdf/includeFeatures" ) ); | ||
| if ( v.isValid() ) | ||
| { | ||
| return v.toBool() ? Qt::Checked : Qt::Unchecked; | ||
| } | ||
| else | ||
| { | ||
| // otherwise, we default to the layer's visibility | ||
| return node->itemVisibilityChecked() ? Qt::Checked : Qt::Unchecked; | ||
| } | ||
| } | ||
| return QVariant(); | ||
| } | ||
| return QgsLayerTreeModel::data( idx, role ); | ||
| } | ||
| case GroupColumn: | ||
| { | ||
| switch ( role ) | ||
| { | ||
| case Qt::DisplayRole: | ||
| { | ||
| if ( QgsVectorLayer *vl = vectorLayer( idx ) ) | ||
| { | ||
| return vl->customProperty( QStringLiteral( "geopdf/groupName" ) ).toString(); | ||
| } | ||
| break; | ||
| } | ||
| } | ||
|
|
||
| return QVariant(); | ||
| } | ||
| } | ||
|
|
||
| return QVariant(); | ||
| } | ||
|
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| bool QgsGeoPdfLayerTreeModel::setData( const QModelIndex &index, const QVariant &value, int role ) | ||
| { | ||
| switch ( index.column() ) | ||
| { | ||
| case LayerColumn: | ||
| { | ||
| if ( role == Qt::CheckStateRole ) | ||
| { | ||
| if ( QgsVectorLayer *vl = vectorLayer( index ) ) | ||
| { | ||
| vl->setCustomProperty( QStringLiteral( "geopdf/includeFeatures" ), value.toInt() == Qt::Checked ); | ||
| emit dataChanged( index, index ); | ||
| return true; | ||
| } | ||
| } | ||
| break; | ||
| } | ||
|
|
||
| case GroupColumn: | ||
| { | ||
| if ( role == Qt::EditRole ) | ||
| { | ||
| if ( QgsVectorLayer *vl = vectorLayer( index ) ) | ||
| { | ||
| vl->setCustomProperty( QStringLiteral( "geopdf/groupName" ), value.toString() ); | ||
| emit dataChanged( index, index ); | ||
| return true; | ||
| } | ||
| } | ||
| break; | ||
| } | ||
| } | ||
| return false; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,51 @@ | ||
| /*************************************************************************** | ||
| qgsgeopdflayertreemodel.h | ||
| --------------------- | ||
| begin : August 2019 | ||
| copyright : (C) 2019 by Nyall Dawson | ||
| email : nyall dot dawson 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. * | ||
| * * | ||
| ***************************************************************************/ | ||
| #ifndef QGSGEOPDFLAYERTREEMODEL_H | ||
| #define QGSGEOPDFLAYERTREEMODEL_H | ||
|
|
||
| #include <QSortFilterProxyModel> | ||
| #include <QItemDelegate> | ||
|
|
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| #include "qgslayertreemodel.h" | ||
| #include "qgis_app.h" | ||
|
|
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| class QgsMapCanvas; | ||
| class QgsProject; | ||
|
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|
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| class APP_EXPORT QgsGeoPdfLayerTreeModel : public QgsLayerTreeModel | ||
| { | ||
| Q_OBJECT | ||
|
|
||
| public: | ||
| QgsGeoPdfLayerTreeModel( QgsLayerTree *rootNode, QObject *parent = nullptr ); | ||
|
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| int columnCount( const QModelIndex &parent ) const override; | ||
| QVariant headerData( int section, Qt::Orientation orientation, int role ) const override; | ||
| Qt::ItemFlags flags( const QModelIndex &idx ) const override; | ||
| QVariant data( const QModelIndex &index, int role ) const override; | ||
| bool setData( const QModelIndex &index, const QVariant &value, int role ) override; | ||
|
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||
| private: | ||
| enum Columns | ||
| { | ||
| LayerColumn = 0, | ||
| GroupColumn | ||
| }; | ||
|
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| QgsVectorLayer *vectorLayer( const QModelIndex &idx ) const; | ||
| }; | ||
|
|
||
| #endif // QGSGEOPDFLAYERTREEMODEL_H |
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