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628 lines
20 KiB
C++
628 lines
20 KiB
C++
/***************************************************************************
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qgsbrowserdockwidget.cpp
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---------------------
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begin : July 2011
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copyright : (C) 2011 by Martin Dobias
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email : wonder dot sk at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "qgsbrowserdockwidget.h"
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#include "qgsbrowserdockwidget_p.h"
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#include <QAbstractTextDocumentLayout>
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#include <QHeaderView>
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#include <QTreeView>
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#include <QMenu>
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#include <QToolButton>
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#include <QFileDialog>
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#include <QPlainTextDocumentLayout>
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#include <QSortFilterProxyModel>
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#include "qgsbrowsermodel.h"
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#include "qgsbrowsertreeview.h"
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#include "qgslogger.h"
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#include "qgsrasterlayer.h"
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#include "qgsvectorlayer.h"
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#include "qgsproject.h"
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#include "qgssettings.h"
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#include "qgsnewnamedialog.h"
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#include "qgsbrowserproxymodel.h"
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#include "qgsgui.h"
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#include "qgswindowmanagerinterface.h"
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// browser layer properties dialog
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#include "qgsapplication.h"
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#include "qgsmapcanvas.h"
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#include <QDragEnterEvent>
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QgsBrowserDockWidget::QgsBrowserDockWidget( const QString &name, QgsBrowserModel *browserModel, QWidget *parent )
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: QgsDockWidget( parent )
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, mModel( browserModel )
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, mPropertiesWidgetEnabled( false )
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, mPropertiesWidgetHeight( 0 )
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{
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setupUi( this );
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mContents->layout()->setContentsMargins( 0, 0, 0, 0 );
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mContents->layout()->setMargin( 0 );
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static_cast< QVBoxLayout * >( mContents->layout() )->setSpacing( 0 );
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setWindowTitle( name );
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mBrowserView = new QgsDockBrowserTreeView( this );
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mLayoutBrowser->addWidget( mBrowserView );
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mWidgetFilter->hide();
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mLeFilter->setPlaceholderText( tr( "Type here to filter visible items…" ) );
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// icons from http://www.fatcow.com/free-icons License: CC Attribution 3.0
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QMenu *menu = new QMenu( this );
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menu->setSeparatorsCollapsible( false );
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mBtnFilterOptions->setMenu( menu );
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QAction *action = new QAction( tr( "Case Sensitive" ), menu );
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action->setData( "case" );
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action->setCheckable( true );
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action->setChecked( false );
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connect( action, &QAction::toggled, this, &QgsBrowserDockWidget::setCaseSensitive );
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menu->addAction( action );
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QActionGroup *group = new QActionGroup( menu );
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action = new QAction( tr( "Filter Pattern Syntax" ), group );
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action->setSeparator( true );
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menu->addAction( action );
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action = new QAction( tr( "Normal" ), group );
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action->setData( QgsBrowserProxyModel::Normal );
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action->setCheckable( true );
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action->setChecked( true );
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menu->addAction( action );
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action = new QAction( tr( "Wildcard(s)" ), group );
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action->setData( QgsBrowserProxyModel::Wildcards );
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action->setCheckable( true );
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menu->addAction( action );
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action = new QAction( tr( "Regular Expression" ), group );
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action->setData( QgsBrowserProxyModel::RegularExpression );
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action->setCheckable( true );
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menu->addAction( action );
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connect( mActionRefresh, &QAction::triggered, this, &QgsBrowserDockWidget::refresh );
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connect( mActionAddLayers, &QAction::triggered, this, &QgsBrowserDockWidget::addSelectedLayers );
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connect( mActionCollapse, &QAction::triggered, mBrowserView, &QgsDockBrowserTreeView::collapseAll );
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connect( mActionShowFilter, &QAction::triggered, this, &QgsBrowserDockWidget::showFilterWidget );
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connect( mActionPropertiesWidget, &QAction::triggered, this, &QgsBrowserDockWidget::enablePropertiesWidget );
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connect( mLeFilter, &QgsFilterLineEdit::returnPressed, this, &QgsBrowserDockWidget::setFilter );
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connect( mLeFilter, &QgsFilterLineEdit::cleared, this, &QgsBrowserDockWidget::setFilter );
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connect( mLeFilter, &QgsFilterLineEdit::textChanged, this, &QgsBrowserDockWidget::setFilter );
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connect( group, &QActionGroup::triggered, this, &QgsBrowserDockWidget::setFilterSyntax );
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connect( mBrowserView, &QgsDockBrowserTreeView::customContextMenuRequested, this, &QgsBrowserDockWidget::showContextMenu );
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connect( mBrowserView, &QgsDockBrowserTreeView::doubleClicked, this, &QgsBrowserDockWidget::itemDoubleClicked );
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connect( mSplitter, &QSplitter::splitterMoved, this, &QgsBrowserDockWidget::splitterMoved );
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}
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QgsBrowserDockWidget::~QgsBrowserDockWidget()
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{
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QgsSettings settings;
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settings.setValue( settingsSection() + "/propertiesWidgetEnabled", mPropertiesWidgetEnabled );
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//settings.setValue(settingsSection() + "/propertiesWidgetHeight", mPropertiesWidget->size().height() );
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settings.setValue( settingsSection() + "/propertiesWidgetHeight", mPropertiesWidgetHeight );
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}
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void QgsBrowserDockWidget::showEvent( QShowEvent *e )
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{
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// delayed initialization of the model
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if ( !mModel->initialized( ) )
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{
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mModel->initialize();
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}
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if ( ! mProxyModel )
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{
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mProxyModel = new QgsBrowserProxyModel( this );
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mProxyModel->setBrowserModel( mModel );
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mBrowserView->setSettingsSection( objectName().toLower() ); // to distinguish 2 or more instances of the browser
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mBrowserView->setBrowserModel( mModel );
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mBrowserView->setModel( mProxyModel );
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mBrowserView->setSortingEnabled( true );
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mBrowserView->sortByColumn( 0, Qt::AscendingOrder );
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// provide a horizontal scroll bar instead of using ellipse (...) for longer items
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mBrowserView->setTextElideMode( Qt::ElideNone );
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mBrowserView->header()->setSectionResizeMode( 0, QHeaderView::ResizeToContents );
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mBrowserView->header()->setStretchLastSection( false );
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// selectionModel is created when model is set on tree
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connect( mBrowserView->selectionModel(), &QItemSelectionModel::selectionChanged,
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this, &QgsBrowserDockWidget::selectionChanged );
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// Forward the model changed signals to the widget
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connect( mModel, &QgsBrowserModel::connectionsChanged,
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this, &QgsBrowserDockWidget::connectionsChanged );
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// objectName used by settingsSection() is not yet set in constructor
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QgsSettings settings;
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mPropertiesWidgetEnabled = settings.value( settingsSection() + "/propertiesWidgetEnabled", false ).toBool();
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mActionPropertiesWidget->setChecked( mPropertiesWidgetEnabled );
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mPropertiesWidget->setVisible( false ); // false until item is selected
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mPropertiesWidgetHeight = settings.value( settingsSection() + "/propertiesWidgetHeight" ).toFloat();
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QList<int> sizes = mSplitter->sizes();
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int total = sizes.value( 0 ) + sizes.value( 1 );
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int height = static_cast<int>( total ) * mPropertiesWidgetHeight;
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sizes.clear();
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sizes << total - height << height;
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mSplitter->setSizes( sizes );
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}
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QgsDockWidget::showEvent( e );
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}
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void QgsBrowserDockWidget::itemDoubleClicked( const QModelIndex &index )
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{
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QgsDataItem *item = mModel->dataItem( mProxyModel->mapToSource( index ) );
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if ( !item )
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return;
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if ( item->handleDoubleClick() )
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return;
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else
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addLayerAtIndex( index ); // default double-click handler
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}
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void QgsBrowserDockWidget::renameFavorite()
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{
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QgsDataItem *dataItem = mModel->dataItem( mProxyModel->mapToSource( mBrowserView->currentIndex() ) );
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if ( !dataItem )
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return;
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QgsFavoriteItem *favorite = qobject_cast< QgsFavoriteItem * >( dataItem );
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if ( !favorite )
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return;
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QgsNewNameDialog dlg( tr( "favorite “%1”" ).arg( favorite->name() ), favorite->name() );
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dlg.setWindowTitle( tr( "Rename Favorite" ) );
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if ( dlg.exec() != QDialog::Accepted || dlg.name() == favorite->name() )
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return;
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favorite->rename( dlg.name() );
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}
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void QgsBrowserDockWidget::showContextMenu( QPoint pt )
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{
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QModelIndex index = mProxyModel->mapToSource( mBrowserView->indexAt( pt ) );
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QgsDataItem *item = mModel->dataItem( index );
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if ( !item )
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return;
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QMenu *menu = new QMenu( this );
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if ( item->type() == QgsDataItem::Directory )
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{
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QgsSettings settings;
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bool inFavDirs = item->parent() && item->parent()->type() == QgsDataItem::Favorites;
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if ( item->parent() && !inFavDirs )
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{
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// only non-root directories can be added as favorites
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QAction *addAsFavorite = new QAction( tr( "Add as a Favorite" ), this );
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addAsFavorite->setIcon( QgsApplication::getThemeIcon( QStringLiteral( "/mIconFavourites.svg" ) ) );
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menu->addAction( addAsFavorite );
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connect( addAsFavorite, &QAction::triggered, this, &QgsBrowserDockWidget::addFavorite );
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}
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else if ( inFavDirs )
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{
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QAction *actionRename = new QAction( tr( "Rename Favorite…" ), this );
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connect( actionRename, &QAction::triggered, this, &QgsBrowserDockWidget::renameFavorite );
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menu->addAction( actionRename );
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menu->addSeparator();
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menu->addAction( tr( "Remove Favorite" ), this, SLOT( removeFavorite() ) );
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menu->addSeparator();
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}
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menu->addAction( tr( "Properties…" ), this, SLOT( showProperties() ) );
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menu->addAction( tr( "Hide from Browser" ), this, SLOT( hideItem() ) );
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QAction *action = menu->addAction( tr( "Fast Scan this Directory" ), this, SLOT( toggleFastScan() ) );
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action->setCheckable( true );
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action->setChecked( settings.value( QStringLiteral( "qgis/scanItemsFastScanUris" ),
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QStringList() ).toStringList().contains( item->path() ) );
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}
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else if ( item->type() == QgsDataItem::Layer )
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{
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QgsLayerItem *layerItem = qobject_cast<QgsLayerItem *>( item );
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if ( layerItem && ( layerItem->mapLayerType() == QgsMapLayer::VectorLayer ||
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layerItem->mapLayerType() == QgsMapLayer::RasterLayer ) )
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{
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QMenu *exportMenu = new QMenu( tr( "Export Layer" ), menu );
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menu->addMenu( exportMenu );
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QAction *toFileAction = new QAction( tr( "To File…" ), exportMenu );
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exportMenu->addAction( toFileAction );
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connect( toFileAction, &QAction::triggered, layerItem, [ layerItem ]
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{
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switch ( layerItem->mapLayerType() )
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{
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case QgsMapLayer::VectorLayer:
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{
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std::unique_ptr<QgsVectorLayer> layer( new QgsVectorLayer( layerItem->uri(), layerItem->name(), layerItem->providerKey() ) );
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if ( layer && layer->isValid() )
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{
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QgsGui::instance()->windowManager()->executeExportVectorLayerDialog( layer.get() );
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}
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break;
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}
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case QgsMapLayer::RasterLayer:
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{
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std::unique_ptr<QgsRasterLayer> layer( new QgsRasterLayer( layerItem->uri(), layerItem->name(), layerItem->providerKey() ) );
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if ( layer && layer->isValid() )
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{
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QgsGui::instance()->windowManager()->executeExportRasterLayerDialog( layer.get() );
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}
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break;
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}
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case QgsMapLayer::PluginLayer:
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case QgsMapLayer::MeshLayer:
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break;
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}
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} );
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}
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menu->addAction( tr( "Add Selected Layer(s) to Canvas" ), this, SLOT( addSelectedLayers() ) );
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menu->addAction( tr( "Properties…" ), this, SLOT( showProperties() ) );
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}
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else if ( item->type() == QgsDataItem::Favorites )
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{
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menu->addAction( tr( "Add a Directory…" ), this, SLOT( addFavoriteDirectory() ) );
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}
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const QList<QMenu *> menus = item->menus( menu );
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QList<QAction *> actions = item->actions( menu );
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if ( !menus.isEmpty() )
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{
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for ( QMenu *mn : menus )
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{
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menu->addMenu( mn );
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}
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}
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if ( !actions.isEmpty() )
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{
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if ( !menu->actions().isEmpty() )
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menu->addSeparator();
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// add action to the menu
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menu->addActions( actions );
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}
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if ( menu->actions().isEmpty() )
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{
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delete menu;
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return;
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}
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menu->popup( mBrowserView->mapToGlobal( pt ) );
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}
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void QgsBrowserDockWidget::addFavorite()
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{
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QModelIndex index = mProxyModel->mapToSource( mBrowserView->currentIndex() );
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QgsDataItem *item = mModel->dataItem( index );
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if ( !item )
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return;
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QgsDirectoryItem *dirItem = dynamic_cast<QgsDirectoryItem *>( item );
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if ( !dirItem )
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return;
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addFavoriteDirectory( dirItem->dirPath() );
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}
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void QgsBrowserDockWidget::addFavoriteDirectory()
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{
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QString directory = QFileDialog::getExistingDirectory( this, tr( "Add directory to favorites" ) );
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if ( !directory.isEmpty() )
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{
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addFavoriteDirectory( directory );
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}
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}
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void QgsBrowserDockWidget::addFavoriteDirectory( const QString &favDir, const QString &name )
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{
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mModel->addFavoriteDirectory( favDir, name );
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}
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void QgsBrowserDockWidget::removeFavorite()
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{
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mModel->removeFavorite( mProxyModel->mapToSource( mBrowserView->currentIndex() ) );
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}
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void QgsBrowserDockWidget::refresh()
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{
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refreshModel( QModelIndex() );
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}
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void QgsBrowserDockWidget::refreshModel( const QModelIndex &index )
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{
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if ( mModel && mProxyModel )
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{
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QgsDataItem *item = mModel->dataItem( index );
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if ( item )
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{
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QgsDebugMsg( "path = " + item->path() );
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}
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else
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{
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QgsDebugMsg( QStringLiteral( "invalid item" ) );
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}
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if ( item && ( item->capabilities2() & QgsDataItem::Fertile ) )
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{
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mModel->refresh( index );
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}
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for ( int i = 0; i < mModel->rowCount( index ); i++ )
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{
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QModelIndex idx = mModel->index( i, 0, index );
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QModelIndex proxyIdx = mProxyModel->mapFromSource( idx );
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QgsDataItem *child = mModel->dataItem( idx );
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// Check also expanded descendants so that the whole expanded path does not get collapsed if one item is collapsed.
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// Fast items (usually root items) are refreshed so that when collapsed, it is obvious they are if empty (no expand symbol).
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if ( mBrowserView->isExpanded( proxyIdx ) || mBrowserView->hasExpandedDescendant( proxyIdx ) || ( child && child->capabilities2() & QgsDataItem::Fast ) )
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{
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refreshModel( idx );
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}
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else
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{
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if ( child && ( child->capabilities2() & QgsDataItem::Fertile ) )
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{
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child->depopulate();
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}
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}
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}
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}
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}
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void QgsBrowserDockWidget::addLayer( QgsLayerItem *layerItem )
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{
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if ( !layerItem )
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return;
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QgsMimeDataUtils::UriList list;
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list << layerItem->mimeUri();
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emit handleDropUriList( list );
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}
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void QgsBrowserDockWidget::addLayerAtIndex( const QModelIndex &index )
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{
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QgsDebugMsg( QStringLiteral( "rowCount() = %1" ).arg( mModel->rowCount( mProxyModel->mapToSource( index ) ) ) );
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QgsDataItem *item = mModel->dataItem( mProxyModel->mapToSource( index ) );
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if ( item && item->type() == QgsDataItem::Project )
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{
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QgsProjectItem *projectItem = qobject_cast<QgsProjectItem *>( item );
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if ( projectItem )
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{
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QApplication::setOverrideCursor( Qt::WaitCursor );
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emit openFile( projectItem->path(), QStringLiteral( "project" ) );
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QApplication::restoreOverrideCursor();
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}
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}
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if ( item && item->type() == QgsDataItem::Layer )
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{
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QgsLayerItem *layerItem = qobject_cast<QgsLayerItem *>( item );
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if ( layerItem )
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{
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QApplication::setOverrideCursor( Qt::WaitCursor );
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addLayer( layerItem );
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QApplication::restoreOverrideCursor();
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}
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}
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}
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void QgsBrowserDockWidget::addSelectedLayers()
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{
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QApplication::setOverrideCursor( Qt::WaitCursor );
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// get a sorted list of selected indexes
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QModelIndexList list = mBrowserView->selectionModel()->selectedIndexes();
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std::sort( list.begin(), list.end() );
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// If any of the layer items are QGIS we just open and exit the loop
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Q_FOREACH ( const QModelIndex &index, list )
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{
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QgsDataItem *item = mModel->dataItem( mProxyModel->mapToSource( index ) );
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if ( item && item->type() == QgsDataItem::Project )
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{
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QgsProjectItem *projectItem = qobject_cast<QgsProjectItem *>( item );
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if ( projectItem )
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emit openFile( projectItem->path(), QStringLiteral( "project" ) );
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QApplication::restoreOverrideCursor();
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return;
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}
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}
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// add items in reverse order so they are in correct order in the layers dock
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for ( int i = list.size() - 1; i >= 0; i-- )
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{
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QgsDataItem *item = mModel->dataItem( mProxyModel->mapToSource( list[i] ) );
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if ( item && item->type() == QgsDataItem::Layer )
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{
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QgsLayerItem *layerItem = qobject_cast<QgsLayerItem *>( item );
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if ( layerItem )
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addLayer( layerItem );
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}
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}
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QApplication::restoreOverrideCursor();
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}
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void QgsBrowserDockWidget::hideItem()
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{
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QModelIndex index = mProxyModel->mapToSource( mBrowserView->currentIndex() );
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QgsDataItem *item = mModel->dataItem( index );
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if ( ! item )
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return;
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if ( item->type() == QgsDataItem::Directory )
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{
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mModel->hidePath( item );
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}
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}
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void QgsBrowserDockWidget::showProperties()
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{
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QModelIndex index = mProxyModel->mapToSource( mBrowserView->currentIndex() );
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QgsDataItem *item = mModel->dataItem( index );
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|
if ( ! item )
|
|
return;
|
|
|
|
if ( item->type() == QgsDataItem::Layer || item->type() == QgsDataItem::Directory )
|
|
{
|
|
QgsBrowserPropertiesDialog *dialog = new QgsBrowserPropertiesDialog( settingsSection(), this );
|
|
dialog->setItem( item );
|
|
dialog->show();
|
|
}
|
|
}
|
|
|
|
void QgsBrowserDockWidget::toggleFastScan()
|
|
{
|
|
QModelIndex index = mProxyModel->mapToSource( mBrowserView->currentIndex() );
|
|
QgsDataItem *item = mModel->dataItem( index );
|
|
if ( ! item )
|
|
return;
|
|
|
|
if ( item->type() == QgsDataItem::Directory )
|
|
{
|
|
QgsSettings settings;
|
|
QStringList fastScanDirs = settings.value( QStringLiteral( "qgis/scanItemsFastScanUris" ),
|
|
QStringList() ).toStringList();
|
|
int idx = fastScanDirs.indexOf( item->path() );
|
|
if ( idx != -1 )
|
|
{
|
|
fastScanDirs.removeAt( idx );
|
|
}
|
|
else
|
|
{
|
|
fastScanDirs << item->path();
|
|
}
|
|
settings.setValue( QStringLiteral( "qgis/scanItemsFastScanUris" ), fastScanDirs );
|
|
}
|
|
}
|
|
|
|
void QgsBrowserDockWidget::showFilterWidget( bool visible )
|
|
{
|
|
mWidgetFilter->setVisible( visible );
|
|
if ( ! visible )
|
|
{
|
|
mLeFilter->setText( QString() );
|
|
setFilter();
|
|
}
|
|
else
|
|
{
|
|
mLeFilter->setFocus();
|
|
}
|
|
}
|
|
|
|
void QgsBrowserDockWidget::setFilter()
|
|
{
|
|
QString filter = mLeFilter->text();
|
|
if ( mProxyModel )
|
|
mProxyModel->setFilterString( filter );
|
|
}
|
|
|
|
void QgsBrowserDockWidget::updateProjectHome()
|
|
{
|
|
if ( mModel )
|
|
mModel->updateProjectHome();
|
|
}
|
|
|
|
void QgsBrowserDockWidget::setFilterSyntax( QAction *action )
|
|
{
|
|
if ( !action || ! mProxyModel )
|
|
return;
|
|
|
|
mProxyModel->setFilterSyntax( static_cast< QgsBrowserProxyModel::FilterSyntax >( action->data().toInt() ) );
|
|
}
|
|
|
|
void QgsBrowserDockWidget::setCaseSensitive( bool caseSensitive )
|
|
{
|
|
if ( ! mProxyModel )
|
|
return;
|
|
mProxyModel->setFilterCaseSensitivity( caseSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive );
|
|
}
|
|
|
|
int QgsBrowserDockWidget::selectedItemsCount()
|
|
{
|
|
QItemSelectionModel *selectionModel = mBrowserView->selectionModel();
|
|
if ( selectionModel )
|
|
{
|
|
return selectionModel->selectedIndexes().size();
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void QgsBrowserDockWidget::selectionChanged( const QItemSelection &selected, const QItemSelection &deselected )
|
|
{
|
|
Q_UNUSED( selected );
|
|
Q_UNUSED( deselected );
|
|
if ( mPropertiesWidgetEnabled )
|
|
{
|
|
setPropertiesWidget();
|
|
}
|
|
}
|
|
|
|
void QgsBrowserDockWidget::clearPropertiesWidget()
|
|
{
|
|
while ( mPropertiesLayout->count() > 0 )
|
|
{
|
|
delete mPropertiesLayout->itemAt( 0 )->widget();
|
|
}
|
|
mPropertiesWidget->setVisible( false );
|
|
}
|
|
|
|
void QgsBrowserDockWidget::setPropertiesWidget()
|
|
{
|
|
clearPropertiesWidget();
|
|
QItemSelectionModel *selectionModel = mBrowserView->selectionModel();
|
|
if ( selectionModel )
|
|
{
|
|
QModelIndexList indexes = selectionModel->selectedIndexes();
|
|
if ( indexes.size() == 1 )
|
|
{
|
|
QModelIndex index = mProxyModel->mapToSource( indexes.value( 0 ) );
|
|
QgsDataItem *item = mModel->dataItem( index );
|
|
QgsBrowserPropertiesWidget *propertiesWidget = QgsBrowserPropertiesWidget::createWidget( item, mPropertiesWidget );
|
|
if ( propertiesWidget )
|
|
{
|
|
propertiesWidget->setCondensedMode( true );
|
|
mPropertiesLayout->addWidget( propertiesWidget );
|
|
}
|
|
}
|
|
}
|
|
mPropertiesWidget->setVisible( mPropertiesLayout->count() > 0 );
|
|
}
|
|
|
|
void QgsBrowserDockWidget::enablePropertiesWidget( bool enable )
|
|
{
|
|
mPropertiesWidgetEnabled = enable;
|
|
if ( enable && selectedItemsCount() == 1 )
|
|
{
|
|
setPropertiesWidget();
|
|
}
|
|
else
|
|
{
|
|
clearPropertiesWidget();
|
|
}
|
|
}
|
|
|
|
void QgsBrowserDockWidget::splitterMoved()
|
|
{
|
|
QList<int> sizes = mSplitter->sizes();
|
|
float total = sizes.value( 0 ) + sizes.value( 1 );
|
|
mPropertiesWidgetHeight = total > 0 ? sizes.value( 1 ) / total : 0;
|
|
}
|