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//
// This file is part of the Marble Virtual Globe.
//
// This program is free software licensed under the GNU LGPL. You can
// find a copy of this license in LICENSE.txt in the top directory of
// the source code.
//
// Copyright 2012 Dennis Nienhüser <nienhueser@kde.org>
//
#include "SearchWidget.h"
#include "GeoDataPlacemark.h"
#include "GeoDataLatLonAltBox.h"
#include "GeoDataDocument.h"
#include "GeoDataTreeModel.h"
#include "SearchInputWidget.h"
#include "MarbleWidget.h"
#include "MarbleModel.h"
#include "BranchFilterProxyModel.h"
#include "MarblePlacemarkModel.h"
#include "SearchRunnerManager.h"
#include "ViewportParams.h"
#include "MarbleDebug.h"
#include <QListView>
#include <QVBoxLayout>
namespace Marble {
class SearchWidgetPrivate
{
public:
SearchRunnerManager* m_runnerManager;
SearchInputWidget *m_searchField;
QListView *m_searchResultView;
MarbleWidget *m_widget;
BranchFilterProxyModel m_branchfilter;
QSortFilterProxyModel m_sortproxy;
GeoDataDocument *m_document;
QString m_planetId;
SearchWidgetPrivate();
void setSearchResult( const QVector<GeoDataPlacemark*>& );
void search( const QString &searchTerm, SearchMode searchMode );
void clearSearch();
void centerMapOn( const QModelIndex &index );
void handlePlanetChange();
};
SearchWidgetPrivate::SearchWidgetPrivate() :
m_runnerManager( 0 ),
m_searchField( 0 ),
m_searchResultView( 0 ),
m_widget( 0 ),
m_branchfilter(),
m_sortproxy(),
m_document( new GeoDataDocument )
{
m_document->setName( QObject::tr( "Search Results" ) );
}
void SearchWidgetPrivate::setSearchResult( const QVector<GeoDataPlacemark *>& locations )
{
if( locations.isEmpty() ) {
return;
}
QTime timer;
timer.start();
// fill the local document with results
m_widget->model()->placemarkSelectionModel()->clear();
GeoDataTreeModel *treeModel = m_widget->model()->treeModel();
treeModel->removeDocument( m_document );
m_document->clear();
m_document->setName( QString( QObject::tr( "Search for '%1'" ) ).arg( m_searchField->text() ) );
for (GeoDataPlacemark *placemark: locations ) {
m_document->append( new GeoDataPlacemark( *placemark ) );
}
treeModel->addDocument( m_document );
m_branchfilter.setBranchIndex( treeModel, treeModel->index( m_document ) );
m_searchResultView->setRootIndex(
m_sortproxy.mapFromSource(
m_branchfilter.mapFromSource( treeModel->index( m_document ) ) ) );
m_widget->centerOn( m_document->latLonAltBox() );
mDebug() << Q_FUNC_INFO << " Time elapsed:"<< timer.elapsed() << " ms";
}
SearchWidget::SearchWidget( QWidget *parent, Qt::WindowFlags flags ) :
QWidget( parent, flags ),
d( new SearchWidgetPrivate )
{
d->m_sortproxy.setSortRole( MarblePlacemarkModel::PopularityIndexRole );
d->m_sortproxy.sort( 0, Qt::AscendingOrder );
d->m_sortproxy.setDynamicSortFilter( true );
d->m_sortproxy.setSourceModel( &d->m_branchfilter );
d->m_searchField = new SearchInputWidget( this );
setFocusProxy( d->m_searchField );
connect( d->m_searchField, SIGNAL(search(QString,SearchMode)),
this, SLOT(search(QString,SearchMode)) );
d->m_searchResultView = new QListView( this );
d->m_searchResultView->setModel( &d->m_sortproxy );
d->m_searchResultView->setMinimumSize( 0, 0 );
connect( d->m_searchResultView, SIGNAL(activated(QModelIndex)),
this, SLOT(centerMapOn(QModelIndex)) );
QVBoxLayout* layout = new QVBoxLayout;
layout->addWidget( d->m_searchField );
layout->addWidget( d->m_searchResultView );
layout->setMargin( 0 );
setLayout( layout );
}
SearchWidget::~SearchWidget()
{
delete d;
}
void SearchWidget::setMarbleWidget( MarbleWidget* widget )
{
if ( d->m_widget ) {
return;
}
d->m_widget = widget;
d->m_planetId = widget->model()->planetId();
connect( widget->model(), SIGNAL(themeChanged(QString)),
this, SLOT(handlePlanetChange()) );
d->m_searchField->setCompletionModel( widget->model()->placemarkModel() );
connect( d->m_searchField, SIGNAL(centerOn(GeoDataCoordinates)),
widget, SLOT(centerOn(GeoDataCoordinates)) );
d->m_runnerManager = new SearchRunnerManager( widget->model(), this );
connect( d->m_runnerManager, SIGNAL(searchResultChanged(QVector<GeoDataPlacemark*>)),
this, SLOT(setSearchResult(QVector<GeoDataPlacemark*>)) );
connect( d->m_runnerManager, SIGNAL(searchFinished(QString)),
d->m_searchField, SLOT(disableSearchAnimation()));
GeoDataTreeModel* treeModel = d->m_widget->model()->treeModel();
treeModel->addDocument( d->m_document );
d->m_branchfilter.setSourceModel( treeModel );
d->m_branchfilter.setBranchIndex( treeModel, treeModel->index( d->m_document ) );
d->m_searchResultView->setRootIndex(
d->m_sortproxy.mapFromSource(
d->m_branchfilter.mapFromSource( treeModel->index( d->m_document ) ) ) );
}
void SearchWidgetPrivate::search( const QString &searchTerm, SearchMode searchMode )
{
if( searchTerm.isEmpty() ) {
clearSearch();
} else {
if ( searchMode == AreaSearch ) {
m_runnerManager->findPlacemarks( searchTerm, m_widget->viewport()->viewLatLonAltBox() );
} else {
m_runnerManager->findPlacemarks( searchTerm );
}
}
}
void SearchWidgetPrivate::clearSearch()
{
m_widget->model()->placemarkSelectionModel()->clear();
// clear the local document
GeoDataTreeModel *treeModel = m_widget->model()->treeModel();
treeModel->removeDocument( m_document );
m_document->clear();
treeModel->addDocument( m_document );
m_branchfilter.setBranchIndex( treeModel, treeModel->index( m_document ) );
m_searchResultView->setRootIndex(
m_sortproxy.mapFromSource(
m_branchfilter.mapFromSource( treeModel->index( m_document ) ) ) );
// clear cached search results
m_runnerManager->findPlacemarks( QString() );
}
void SearchWidgetPrivate::centerMapOn( const QModelIndex &index )
{
if( !index.isValid() ) {
return;
}
GeoDataObject *object
= index.model()->data(index, MarblePlacemarkModel::ObjectPointerRole ).value<GeoDataObject*>();
GeoDataPlacemark *placemark = dynamic_cast<GeoDataPlacemark*>( object );
if ( placemark ) {
m_widget->centerOn( *placemark, true );
m_widget->model()->placemarkSelectionModel()->select( index, QItemSelectionModel::ClearAndSelect );
}
}
void SearchWidgetPrivate::handlePlanetChange()
{
const QString newPlanetId = m_widget->model()->planetId();
if (newPlanetId == m_planetId) {
return;
}
m_planetId = newPlanetId;
clearSearch();
}
}
#include "moc_SearchWidget.cpp"
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