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Merge pull request #39527 from signedav/offlineindicator
Indicator for offline layers
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,68 @@ | ||
/*************************************************************************** | ||
qgslayertreeviewofflineindicator.cpp | ||
-------------------------------------- | ||
Date : October 2020 | ||
Copyright : (C) 2020 by David Signer | ||
Email : david at opengis dot ch | ||
*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
***************************************************************************/ | ||
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||
#include "qgslayertreeviewofflineindicator.h" | ||
#include "qgslayertreeview.h" | ||
#include "qgslayertree.h" | ||
#include "qgslayertreemodel.h" | ||
#include "qgisapp.h" | ||
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QgsLayerTreeViewOfflineIndicatorProvider::QgsLayerTreeViewOfflineIndicatorProvider( QgsLayerTreeView *view ) | ||
: QgsLayerTreeViewIndicatorProvider( view ) | ||
{ | ||
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} | ||
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void QgsLayerTreeViewOfflineIndicatorProvider::connectSignals( QgsMapLayer *layer ) | ||
{ | ||
if ( !layer ) | ||
return; | ||
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connect( layer, &QgsMapLayer::customPropertyChanged, this, &QgsLayerTreeViewOfflineIndicatorProvider::onLayerChanged ); | ||
} | ||
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void QgsLayerTreeViewOfflineIndicatorProvider::disconnectSignals( QgsMapLayer *layer ) | ||
{ | ||
if ( !layer ) | ||
return; | ||
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disconnect( layer, &QgsMapLayer::customPropertyChanged, this, &QgsLayerTreeViewOfflineIndicatorProvider::onLayerChanged ); | ||
} | ||
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bool QgsLayerTreeViewOfflineIndicatorProvider::acceptLayer( QgsMapLayer *layer ) | ||
{ | ||
return layer->customProperty( QStringLiteral( "isOfflineEditable" ), false ).toBool(); | ||
} | ||
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QString QgsLayerTreeViewOfflineIndicatorProvider::iconName( QgsMapLayer *layer ) | ||
{ | ||
Q_UNUSED( layer ) | ||
return QStringLiteral( "/mIndicatorOffline.svg" ); | ||
} | ||
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QString QgsLayerTreeViewOfflineIndicatorProvider::tooltipText( QgsMapLayer *layer ) | ||
{ | ||
Q_UNUSED( layer ) | ||
return tr( "<b>Offline layer</b>" ); | ||
} | ||
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void QgsLayerTreeViewOfflineIndicatorProvider::onLayerChanged() | ||
{ | ||
QgsMapLayer *layer = qobject_cast<QgsMapLayer *>( sender() ); | ||
if ( !layer ) | ||
return; | ||
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updateLayerIndicator( layer ); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,47 @@ | ||
/*************************************************************************** | ||
qgslayertreeviewofflineindicator.h | ||
-------------------------------------- | ||
Date : October 2020 | ||
Copyright : (C) 2020 by David Signer | ||
Email : david at opengis dot ch | ||
*************************************************************************** | ||
* * | ||
* 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. * | ||
* * | ||
***************************************************************************/ | ||
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#ifndef QGSLAYERTREEVIEWOFFLINEINDICATOR_H | ||
#define QGSLAYERTREEVIEWOFFLINEINDICATOR_H | ||
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#include "qgslayertreeviewindicatorprovider.h" | ||
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#include <QSet> | ||
#include <memory> | ||
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class QgsLayerTreeNode; | ||
class QgsLayerTreeView; | ||
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//! Adds indicators showing whether layers are offline. | ||
class QgsLayerTreeViewOfflineIndicatorProvider : public QgsLayerTreeViewIndicatorProvider | ||
{ | ||
Q_OBJECT | ||
public: | ||
explicit QgsLayerTreeViewOfflineIndicatorProvider( QgsLayerTreeView *view ); | ||
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protected: | ||
void connectSignals( QgsMapLayer *layer ) override; | ||
void disconnectSignals( QgsMapLayer *layer ) override; | ||
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protected slots: | ||
void onLayerChanged(); | ||
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private: | ||
bool acceptLayer( QgsMapLayer *layer ) override; | ||
QString iconName( QgsMapLayer *layer ) override; | ||
QString tooltipText( QgsMapLayer *layer ) override; | ||
}; | ||
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#endif // QGSLAYERTREEVIEWOFFLINEINDICATOR_H |
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