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offline_editing_plugin.cpp
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offline_editing_plugin.cpp
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/***************************************************************************
offline_editing_plugin.cpp
Offline Editing Plugin
a QGIS plugin
--------------------------------------
Date : 08-Jul-2010
Copyright : (C) 2010 by Sourcepole
Email : info at sourcepole.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. *
* *
***************************************************************************/
#include "offline_editing_plugin.h"
#include "offline_editing_plugin_gui.h"
#include "offline_editing_progress_dialog.h"
#include <qgisinterface.h>
#include <qgisgui.h>
#include <qgsmaplayerregistry.h>
#include <qgsproject.h>
#include <qgsmessagebar.h>
#include <qgsmapcanvas.h>
#include <QAction>
static const QString sName = QObject::tr( "OfflineEditing" );
static const QString sDescription = QObject::tr( "Allow offline editing and synchronizing with database" );
static const QString sCategory = QObject::tr( "Database" );
static const QString sPluginVersion = QObject::tr( "Version 0.1" );
static const QgisPlugin::PLUGINTYPE sPluginType = QgisPlugin::UI;
static const QString sPluginIcon = ":/offline_editing/offline_editing_copy.png";
QgsOfflineEditingPlugin::QgsOfflineEditingPlugin( QgisInterface* theQgisInterface )
: QgisPlugin( sName, sDescription, sCategory, sPluginVersion, sPluginType )
, mQGisIface( theQgisInterface )
, mActionConvertProject( nullptr )
, mActionSynchronize( nullptr )
, mOfflineEditing( nullptr )
, mProgressDialog( nullptr )
{
}
QgsOfflineEditingPlugin::~QgsOfflineEditingPlugin()
{
delete mOfflineEditing;
}
void QgsOfflineEditingPlugin::initGui()
{
delete mActionConvertProject;
// Create the action for tool
mActionConvertProject = new QAction( QIcon( ":/offline_editing/offline_editing_copy.png" ), tr( "Convert to offline project" ), this );
mActionConvertProject->setObjectName( "mActionConvertProject" );
// Set the what's this text
mActionConvertProject->setWhatsThis( tr( "Create offline copies of selected layers and save as offline project" ) );
// Connect the action to the run
connect( mActionConvertProject, SIGNAL( triggered() ), this, SLOT( convertProject() ) );
// Add the icon to the toolbar
mQGisIface->addDatabaseToolBarIcon( mActionConvertProject );
mQGisIface->addPluginToDatabaseMenu( tr( "&Offline Editing" ), mActionConvertProject );
mActionConvertProject->setEnabled( false );
mActionSynchronize = new QAction( QIcon( ":/offline_editing/offline_editing_sync.png" ), tr( "Synchronize" ), this );
mActionSynchronize->setObjectName( "mActionSynchronize" );
mActionSynchronize->setWhatsThis( tr( "Synchronize offline project with remote layers" ) );
connect( mActionSynchronize, SIGNAL( triggered() ), this, SLOT( synchronize() ) );
mQGisIface->addDatabaseToolBarIcon( mActionSynchronize );
mQGisIface->addPluginToDatabaseMenu( tr( "&Offline Editing" ), mActionSynchronize );
mActionSynchronize->setEnabled( false );
mOfflineEditing = new QgsOfflineEditing();
mProgressDialog = new QgsOfflineEditingProgressDialog( mQGisIface->mainWindow(), QgisGui::ModalDialogFlags );
connect( mOfflineEditing, SIGNAL( progressStarted() ), this, SLOT( showProgress() ) );
connect( mOfflineEditing, SIGNAL( layerProgressUpdated( int, int ) ), this, SLOT( setLayerProgress( int, int ) ) );
connect( mOfflineEditing, SIGNAL( progressModeSet( QgsOfflineEditing::ProgressMode, int ) ), this, SLOT( setProgressMode( QgsOfflineEditing::ProgressMode, int ) ) );
connect( mOfflineEditing, SIGNAL( progressUpdated( int ) ), this, SLOT( updateProgress( int ) ) );
connect( mOfflineEditing, SIGNAL( progressStopped() ), this, SLOT( hideProgress() ) );
connect( mOfflineEditing, SIGNAL( warning( QString, QString ) ), mQGisIface->messageBar(), SLOT( pushWarning( QString, QString ) ) );
connect( mQGisIface->mainWindow(), SIGNAL( projectRead() ), this, SLOT( updateActions() ) );
connect( mQGisIface->mainWindow(), SIGNAL( newProject() ), this, SLOT( updateActions() ) );
connect( QgsProject::instance(), SIGNAL( writeProject( QDomDocument & ) ), this, SLOT( updateActions() ) );
connect( QgsMapLayerRegistry::instance(), SIGNAL( layerWasAdded( QgsMapLayer* ) ), this, SLOT( updateActions() ) );
connect( QgsMapLayerRegistry::instance(), SIGNAL( layerWillBeRemoved( QString ) ), this, SLOT( updateActions() ) );
updateActions();
}
void QgsOfflineEditingPlugin::convertProject()
{
QgsOfflineEditingPluginGui* myPluginGui = new QgsOfflineEditingPluginGui( mQGisIface->mainWindow(), QgisGui::ModalDialogFlags );
myPluginGui->show();
if ( myPluginGui->exec() == 1 )
{
// convert current project for offline editing
QStringList selectedLayerIds = myPluginGui->selectedLayerIds();
if ( selectedLayerIds.isEmpty() )
{
return;
}
mProgressDialog->setTitle( tr( "Converting to offline project" ) );
if ( mOfflineEditing->convertToOfflineProject( myPluginGui->offlineDataPath(), myPluginGui->offlineDbFile(), selectedLayerIds ) )
{
updateActions();
// Redraw, to make the offline layer visible
mQGisIface->mapCanvas()->refreshAllLayers();
}
}
delete myPluginGui;
}
void QgsOfflineEditingPlugin::synchronize()
{
mProgressDialog->setTitle( tr( "Synchronizing to remote layers" ) );
mOfflineEditing->synchronize();
updateActions();
}
void QgsOfflineEditingPlugin::unload()
{
disconnect( mQGisIface->mainWindow(), SIGNAL( projectRead() ), this, SLOT( updateActions() ) );
disconnect( mQGisIface->mainWindow(), SIGNAL( newProject() ), this, SLOT( updateActions() ) );
disconnect( QgsProject::instance(), SIGNAL( writeProject( QDomDocument & ) ), this, SLOT( updateActions() ) );
// remove the GUI
mQGisIface->removePluginDatabaseMenu( tr( "&Offline Editing" ), mActionConvertProject );
mQGisIface->removeDatabaseToolBarIcon( mActionConvertProject );
mQGisIface->removePluginDatabaseMenu( tr( "&Offline Editing" ), mActionSynchronize );
mQGisIface->removeDatabaseToolBarIcon( mActionSynchronize );
delete mActionConvertProject;
delete mActionSynchronize;
}
void QgsOfflineEditingPlugin::help()
{
// TODO: help
}
void QgsOfflineEditingPlugin::updateActions()
{
bool hasLayers = QgsMapLayerRegistry::instance()->count() > 0;
bool isOfflineProject = mOfflineEditing->isOfflineProject();
mActionConvertProject->setEnabled( hasLayers && !isOfflineProject );
mActionSynchronize->setEnabled( hasLayers && isOfflineProject );
}
void QgsOfflineEditingPlugin::showProgress()
{
mProgressDialog->show();
}
void QgsOfflineEditingPlugin::setLayerProgress( int layer, int numLayers )
{
mProgressDialog->setCurrentLayer( layer, numLayers );
}
void QgsOfflineEditingPlugin::setProgressMode( QgsOfflineEditing::ProgressMode mode, int maximum )
{
QString format = "";
switch ( mode )
{
case QgsOfflineEditing::CopyFeatures:
format = tr( "%v / %m features copied" );
break;
case QgsOfflineEditing::ProcessFeatures:
format = tr( "%v / %m features processed" );
break;
case QgsOfflineEditing::AddFields:
format = tr( "%v / %m fields added" );
break;
case QgsOfflineEditing::AddFeatures:
format = tr( "%v / %m features added" );
break;
case QgsOfflineEditing::RemoveFeatures:
format = tr( "%v / %m features removed" );
break;
case QgsOfflineEditing::UpdateFeatures:
format = tr( "%v / %m feature updates" );
break;
case QgsOfflineEditing::UpdateGeometries:
format = tr( "%v / %m feature geometry updates" );
break;
default:
break;
}
mProgressDialog->setupProgressBar( format, maximum );
}
void QgsOfflineEditingPlugin::updateProgress( int progress )
{
mProgressDialog->setProgressValue( progress );
}
void QgsOfflineEditingPlugin::hideProgress()
{
mProgressDialog->hide();
}
/**
* Required extern functions needed for every plugin
* These functions can be called prior to creating an instance
* of the plugin class
*/
// Class factory to return a new instance of the plugin class
QGISEXTERN QgisPlugin * classFactory( QgisInterface * theQgisInterfacePointer )
{
return new QgsOfflineEditingPlugin( theQgisInterfacePointer );
}
// Return the name of the plugin - note that we do not user class members as
// the class may not yet be insantiated when this method is called.
QGISEXTERN QString name()
{
return sName;
}
// Return the description
QGISEXTERN QString description()
{
return sDescription;
}
// Return the category
QGISEXTERN QString category()
{
return sCategory;
}
// Return the type (either UI or MapLayer plugin)
QGISEXTERN int type()
{
return sPluginType;
}
// Return the version number for the plugin
QGISEXTERN QString version()
{
return sPluginVersion;
}
QGISEXTERN QString icon()
{
return sPluginIcon;
}
// Delete ourself
QGISEXTERN void unload( QgisPlugin * thePluginPointer )
{
delete thePluginPointer;
}