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QgsDataSourceSelectDialog: a simple browser-based reusable data source select dialog
This commit is contained in:
Alessandro Pasotti
parent
e83aa5a200
commit
083208c1eb
@ -17,6 +17,7 @@
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%Include auto_generated/qgsuserinputwidget.sip
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%Include auto_generated/qgsbrowserdockwidget.sip
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%Include auto_generated/qgsvertexmarker.sip
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%Include auto_generated/qgsdatasourceselectdialog.sip
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%Include auto_generated/qgsabstractdatasourcewidget.sip
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%Include auto_generated/qgssourceselectprovider.sip
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%Include auto_generated/qgssourceselectproviderregistry.sip
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@ -244,6 +244,7 @@ SET(QGIS_GUI_SRCS
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qgscustomdrophandler.cpp
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qgscurveeditorwidget.cpp
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qgsdatumtransformdialog.cpp
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qgsdatasourceselectdialog.cpp
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qgsdetaileditemdata.cpp
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qgsdetaileditemdelegate.cpp
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qgsdetaileditemwidget.cpp
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@ -422,6 +423,7 @@ SET(QGIS_GUI_MOC_HDRS
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qgscurveeditorwidget.h
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qgscustomdrophandler.h
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qgsdatumtransformdialog.h
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qgsdatasourceselectdialog.h
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qgsdetaileditemdelegate.h
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qgsdetaileditemwidget.h
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qgsdial.h
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@ -787,6 +789,7 @@ SET(QGIS_GUI_HDRS
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qgsbrowserdockwidget_p.h
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qgsvertexmarker.h
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qgsdatasourcemanagerdialog.h
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qgsdatasourceselectdialog.h
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qgsabstractdatasourcewidget.h
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qgswidgetstatehelper_p.h
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qgssourceselectprovider.h
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90
src/gui/qgsdatasourceselectdialog.cpp
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90
src/gui/qgsdatasourceselectdialog.cpp
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@ -0,0 +1,90 @@
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/***************************************************************************
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qgsdatasourceselectdialog.cpp - QgsDataSourceSelectDialog
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---------------------
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begin : 1.11.2018
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copyright : (C) 2018 by ale
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email : [your-email-here]
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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 "qgsdatasourceselectdialog.h"
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#include "ui_qgsdatasourceselectdialog.h"
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#include "qgssettings.h"
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#include "qgis.h"
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#include <QPushButton>
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QgsDataSourceSelectDialog::QgsDataSourceSelectDialog( bool setFilterByLayerType,
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const QgsMapLayer::LayerType &layerType,
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QWidget *parent )
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: QDialog( parent )
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{
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setupUi( this );
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setWindowTitle( tr( "Select a data source" ) );
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QByteArray dlgGeom( QgsSettings().value( QStringLiteral( "/Windows/selectDataSourceDialog/geometry" ), QVariant(), QgsSettings::Section::Gui ).toByteArray() );
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restoreGeometry( dlgGeom );
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mBrowserModel.initialize();
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mBrowserProxyModel.setBrowserModel( &mBrowserModel );
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mBrowserTreeView->setHeaderHidden( true );
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if ( setFilterByLayerType )
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{
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setLayerTypeFilter( layerType );
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}
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else
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{
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mBrowserTreeView->setModel( &mBrowserProxyModel );
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buttonBox->button( QDialogButtonBox::StandardButton::Ok )->setEnabled( false );
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}
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connect( mBrowserTreeView, &QgsBrowserTreeView::clicked, this, &QgsDataSourceSelectDialog::onLayerSelected );
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}
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QgsDataSourceSelectDialog::~QgsDataSourceSelectDialog()
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{
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QgsSettings().setValue( QStringLiteral( "/Windows/selectDataSourceDialog/geometry" ), saveGeometry(), QgsSettings::Section::Gui );
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}
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void QgsDataSourceSelectDialog::setLayerTypeFilter( const QgsMapLayer::LayerType &layerType )
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{
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mBrowserProxyModel.setFilterByLayerType( true );
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mBrowserProxyModel.setLayerType( layerType );
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// reset model and button
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mBrowserTreeView->setModel( &mBrowserProxyModel );
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buttonBox->button( QDialogButtonBox::StandardButton::Ok )->setEnabled( false );
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}
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QgsMimeDataUtils::Uri QgsDataSourceSelectDialog::uri() const
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{
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return mUri;
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}
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void QgsDataSourceSelectDialog::onLayerSelected( const QModelIndex &index )
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{
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bool isLayerCompatible = false;
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mUri = QgsMimeDataUtils::Uri();
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if ( index.isValid() )
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{
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const QgsDataItem *dataItem( mBrowserProxyModel.dataItem( index ) );
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if ( dataItem )
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{
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const QgsLayerItem *layerItem = qobject_cast<const QgsLayerItem *>( dataItem );
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if ( layerItem && ( ! mBrowserProxyModel.filterByLayerType() ||
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( layerItem->mapLayerType() == mBrowserProxyModel.layerType() ) ) )
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{
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isLayerCompatible = true;
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mUri = layerItem->mimeUri();
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}
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}
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}
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buttonBox->button( QDialogButtonBox::StandardButton::Ok )->setEnabled( isLayerCompatible );
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}
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83
src/gui/qgsdatasourceselectdialog.h
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83
src/gui/qgsdatasourceselectdialog.h
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@ -0,0 +1,83 @@
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/***************************************************************************
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qgsdatasourceselectdialog.h - QgsDataSourceSelectDialog
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---------------------
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begin : 1.11.2018
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copyright : (C) 2018 by ale
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email : [your-email-here]
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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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#ifndef QGSDATASOURCESELECTDIALOG_H
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#define QGSDATASOURCESELECTDIALOG_H
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#include <QObject>
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#include "ui_qgsdatasourceselectdialog.h"
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#include "qgis_gui.h"
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#include "qgsmaplayer.h"
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#include "qgsmimedatautils.h"
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#include "qgsbrowsermodel.h"
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#include "qgsbrowserproxymodel.h"
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/**
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* \ingroup gui
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* The QgsDataSourceSelectDialog class embeds the browser view to
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* select an existing data source.
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*
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* By default it allows to select all layer types, the allowed layer
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* type can be restricted by setting a layer type filter with
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* setLayerTypeFilter(layerType) or by activating the filter
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* directly from the constructor.
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*
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* To retrieve the selected data source, uri() can be called and it
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* will return a (possibly invalid) QgsMimeDataUtils::Uri.
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*
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* \since QGIS 3.6
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*/
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class GUI_EXPORT QgsDataSourceSelectDialog: public QDialog, private Ui::QgsDataSourceSelectDialog
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{
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Q_OBJECT
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public:
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/**
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* Constructs a QgsDataSourceSelectDialog, optionally filtering by layer type
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*
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* \param setFilterByLayerType activates filtering by layer type
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* \param layerType sets the layer type filter, this is in effect only if filtering by layer type is also active
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* \param parent the object
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*/
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QgsDataSourceSelectDialog( bool setFilterByLayerType = false,
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const QgsMapLayer::LayerType &layerType = QgsMapLayer::LayerType::VectorLayer,
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QWidget *parent = nullptr );
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~QgsDataSourceSelectDialog() override;
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/**
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* Sets layer type filter to \a layerType and activates the filtering
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*/
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void setLayerTypeFilter( const QgsMapLayer::LayerType &layerType );
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QgsMimeDataUtils::Uri uri() const;
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private slots:
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//! Triggered when a layer is selected in the browser
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void onLayerSelected( const QModelIndex &index );
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private:
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QgsBrowserModel mBrowserModel;
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QgsBrowserProxyModel mBrowserProxyModel;
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QgsMimeDataUtils::Uri mUri;
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};
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#endif // QGSDATASOURCESELECTDIALOG_H
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74
src/ui/qgsdatasourceselectdialog.ui
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74
src/ui/qgsdatasourceselectdialog.ui
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@ -0,0 +1,74 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<ui version="4.0">
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<class>QgsDataSourceSelectDialog</class>
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<widget class="QDialog" name="QgsDataSourceSelectDialog">
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<property name="geometry">
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<rect>
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<x>0</x>
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<y>0</y>
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<width>400</width>
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<height>300</height>
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</rect>
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</property>
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<property name="windowTitle">
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<string>Dialog</string>
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</property>
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<layout class="QVBoxLayout" name="verticalLayout">
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<item>
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<widget class="QgsBrowserTreeView" name="mBrowserTreeView"/>
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</item>
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<item>
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<widget class="QDialogButtonBox" name="buttonBox">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="standardButtons">
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<set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
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</property>
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</widget>
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</item>
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</layout>
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</widget>
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<customwidgets>
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<customwidget>
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<class>QgsBrowserTreeView</class>
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<extends>QTreeView</extends>
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<header>qgsbrowsertreeview.h</header>
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</customwidget>
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</customwidgets>
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<resources/>
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<connections>
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<connection>
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<sender>buttonBox</sender>
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<signal>accepted()</signal>
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<receiver>QgsDataSourceSelectDialog</receiver>
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<slot>accept()</slot>
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<hints>
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<hint type="sourcelabel">
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<x>248</x>
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<y>254</y>
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</hint>
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<hint type="destinationlabel">
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<x>157</x>
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<y>274</y>
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</hint>
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</hints>
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</connection>
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<connection>
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<sender>buttonBox</sender>
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<signal>rejected()</signal>
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<receiver>QgsDataSourceSelectDialog</receiver>
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<slot>reject()</slot>
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<hints>
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<hint type="sourcelabel">
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<x>316</x>
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<y>260</y>
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</hint>
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<hint type="destinationlabel">
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<x>286</x>
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<y>274</y>
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</hint>
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</hints>
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</connection>
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</connections>
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</ui>
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