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qgsgrassmoduleinput.cpp
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qgsgrassmoduleinput.cpp
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/***************************************************************************
qgsgrassmoduleinput.cpp
-------------------
begin : September, 2015
copyright : (C) 2015 by Radim Blazek
email : radim.blazek@gmail.com
***************************************************************************/
/***************************************************************************
* *
* 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 <QCompleter>
#include <QFileDialog>
#include <QFileInfo>
#include <QHBoxLayout>
#include <QIcon>
#include <QLatin1String>
#include <QMessageBox>
#include <QMouseEvent>
#include <QSettings>
#include <QStandardItem>
#include <QStandardItemModel>
#include <QTreeView>
#include <QVBoxLayout>
#include "qgis.h"
#include "qgsdatasourceuri.h"
#include "qgslogger.h"
#include "qgsmaplayer.h"
#include "qgsmaplayerregistry.h"
#include "qgsrasterlayer.h"
#include "qgsvectorlayer.h"
#include "qgsgrass.h"
#include "qgsgrassmodule.h"
#include "qgsgrassmoduleparam.h"
#include "qgsgrassplugin.h"
#include "qgsgrassprovider.h"
#include "qgsgrassvector.h"
extern "C"
{
#if GRASS_VERSION_MAJOR < 7
#include <grass/Vect.h>
#else
#include <grass/vector.h>
#endif
}
#include "qgsgrassmoduleinput.h"
/**************************** QgsGrassModuleInputModel ****************************/
QgsGrassModuleInputModel::QgsGrassModuleInputModel( QObject *parent )
: QStandardItemModel( parent )
, mWatcher( 0 )
{
QgsDebugMsg( "entered" );
setColumnCount( 1 );
mWatcher = new QFileSystemWatcher( this );
connect( mWatcher, SIGNAL( directoryChanged( const QString & ) ), SLOT( onDirectoryChanged( const QString & ) ) );
connect( mWatcher, SIGNAL( fileChanged( const QString & ) ), SLOT( onFileChanged( const QString & ) ) );
connect( QgsGrass::instance(), SIGNAL( mapsetChanged() ), SLOT( onMapsetChanged() ) );
connect( QgsGrass::instance(), SIGNAL( mapsetSearchPathChanged() ), SLOT( onMapsetSearchPathChanged() ) );
reload();
}
void QgsGrassModuleInputModel::onDirectoryChanged( const QString & path )
{
QgsDebugMsg( "path = " + path );
QString locationPath = QgsGrass::getDefaultLocationPath();
QDir parentDir( path );
parentDir.cdUp();
QString mapset;
QList<QgsGrassObject::Type> types;
if ( path == locationPath )
{
QgsDebugMsg( "location = " + path );
QStringList dirNames = locationDirNames();
//QStringList mapsets = QgsGrass::mapsets( QgsGrass::getDefaultGisdbase(), QgsGrass::getDefaultLocation() );
for ( int i = rowCount() - 1; i >= 0; i-- )
{
QString mapset = item( i )->text();
if ( !QgsGrass::isMapset( locationPath + "/" + mapset ) )
{
QgsDebugMsg( "removed mapset " + mapset );
removeRows( i, 1 );
}
}
Q_FOREACH ( const QString& dirName, dirNames )
{
// Add to watcher in any case, either for WIND, cellhd or vector
QString dirPath = locationPath + "/" + dirName;
watch( dirPath );
if ( QgsGrass::isMapset( dirPath ) && findItems( dirName ).isEmpty() )
{
addMapset( dirName );
}
}
}
else if ( parentDir.canonicalPath() == QDir( locationPath ).canonicalPath() ) // mapset
{
QgsDebugMsg( "mapset = " + path );
QDir dir( path );
mapset = dir.dirName();
Q_FOREACH ( const QString& watchedDir, watchedDirs() )
{
watch( path + "/" + watchedDir );
}
// TODO: use db path defined in mapset VAR
#if GRASS_VERSION_MAJOR >= 7
watch( path + "/tgis/sqlite.db" );
#endif
}
else // cellhd or vector dir
{
QgsDebugMsg( "cellhd/vector = " + path );
mapset = parentDir.dirName();
if ( path.endsWith( "cellhd" ) )
{
types << QgsGrassObject::Raster;
}
else if ( path.endsWith( "vector" ) )
{
types << QgsGrassObject::Vector;
}
}
if ( !mapset.isEmpty() )
{
QList<QStandardItem *> items = findItems( mapset );
if ( items.size() == 1 )
{
refreshMapset( items[0], mapset, types );
}
}
}
void QgsGrassModuleInputModel::onFileChanged( const QString & path )
{
QgsDebugMsg( "path = " + path );
// when tgis/sqlite.db is changed, this gets called twice, probably the file changes more times when it is modified
if ( path.endsWith( "/tgis/sqlite.db" ) )
{
QDir dir = QFileInfo( path ).dir();
dir.cdUp();
QString mapset = dir.dirName();
QList<QStandardItem *> items = findItems( mapset );
if ( items.size() == 1 )
{
QList<QgsGrassObject::Type> types;
types << QgsGrassObject::Strds << QgsGrassObject::Stvds << QgsGrassObject::Str3ds;
refreshMapset( items[0], mapset, types );
}
}
}
void QgsGrassModuleInputModel::watch( const QString & path )
{
if ( QFileInfo( path ).isDir() && !mWatcher->directories().contains( path ) )
{
mWatcher->addPath( path );
}
else if ( QFileInfo( path ).isFile() && !mWatcher->files().contains( path ) )
{
mWatcher->addPath( path );
}
}
QStringList QgsGrassModuleInputModel::locationDirNames()
{
QString locationPath = QgsGrass::getDefaultLocationPath();
QDir locationDir( locationPath );
return locationDir.entryList( QDir::Dirs | QDir::NoDotAndDotDot );
}
void QgsGrassModuleInputModel::addMapset( const QString & mapset )
{
QgsDebugMsg( "mapset = " + mapset );
QStandardItem *mapsetItem = new QStandardItem( mapset );
mapsetItem->setData( mapset, MapsetRole );
mapsetItem->setData( mapset, Qt::EditRole );
mapsetItem->setData( QgsGrassObject::Mapset, TypeRole );
mapsetItem->setSelectable( false );
refreshMapset( mapsetItem, mapset );
appendRow( mapsetItem );
}
void QgsGrassModuleInputModel::refreshMapset( QStandardItem *mapsetItem, const QString & mapset, const QList<QgsGrassObject::Type> & theTypes )
{
QgsDebugMsg( "mapset = " + mapset );
if ( !mapsetItem )
{
return;
}
QList<QgsGrassObject::Type> types = theTypes;
if ( types.isEmpty() )
{
types << QgsGrassObject::Raster << QgsGrassObject::Vector;
#if GRASS_VERSION_MAJOR >= 7
types << QgsGrassObject::Strds << QgsGrassObject::Stvds << QgsGrassObject::Str3ds;
#endif
}
Q_FOREACH ( QgsGrassObject::Type type, types )
{
QgsGrassObject mapsetObject( QgsGrass::getDefaultGisdbase(), QgsGrass::getDefaultLocation(), mapset, "", QgsGrassObject::Mapset );
QStringList maps = QgsGrass::grassObjects( mapsetObject, type );
QStringList mapNames;
Q_FOREACH ( const QString& map, maps )
{
if ( map.startsWith( "qgis_import_tmp_" ) )
{
continue;
}
QString mapName = map;
bool found = false;
for ( int i = 0; i < mapsetItem->rowCount(); i++ )
{
QStandardItem * item = mapsetItem->child( i );
if ( item->text() == mapName && item->data( TypeRole ).toInt() == type )
{
found = true;
break;
}
}
if ( !found )
{
QgsDebugMsg( "add map : " + mapName );
QStandardItem *mapItem = new QStandardItem( mapName );
mapItem->setData( mapName , Qt::EditRole );
mapItem->setData( map, MapRole );
mapItem->setData( mapset, MapsetRole );
mapItem->setData( type, TypeRole );
mapsetItem->appendRow( mapItem );
}
else
{
QgsDebugMsg( "map exists : " + mapName );
}
mapNames << mapName;
}
for ( int i = mapsetItem->rowCount() - 1; i >= 0; i-- )
{
if ( mapsetItem->child( i )->data( TypeRole ).toInt() != type )
{
continue;
}
QString mapName = mapsetItem->child( i )->text();
if ( !mapNames.contains( mapName ) )
{
QgsDebugMsg( "remove map : " + mapName );
mapsetItem->removeRows( i, 1 );
}
}
}
}
void QgsGrassModuleInputModel::reload()
{
QgsDebugMsg( "entered" );
if ( !mWatcher->files().isEmpty() )
{
mWatcher->removePaths( mWatcher->files() );
}
if ( !mWatcher->directories().isEmpty() )
{
mWatcher->removePaths( mWatcher->directories() );
}
clear();
mLocationPath = QgsGrass::getDefaultLocationPath();
QStringList mapsets = QgsGrass::mapsets( QgsGrass::getDefaultGisdbase(), QgsGrass::getDefaultLocation() );
Q_FOREACH ( const QString& mapset, mapsets )
{
addMapset( mapset );
}
mWatcher->addPath( mLocationPath );
// Watching all dirs in location because a dir may become a mapset later, when WIND is created
QStringList dirNames = locationDirNames();
Q_FOREACH ( const QString& dirName, dirNames )
{
QString dirPath = mLocationPath + "/" + dirName;
// Watch the dir in any case, WIND mabe created later
mWatcher->addPath( dirPath );
Q_FOREACH ( const QString& watchedDir, watchedDirs() )
{
watch( dirPath + "/" + watchedDir );
}
#if GRASS_VERSION_MAJOR >= 7
watch( dirPath + "/tgis/sqlite.db" );
#endif
}
}
void QgsGrassModuleInputModel::onMapsetChanged()
{
QgsDebugMsg( "entered" );
if ( mLocationPath != QgsGrass::getDefaultLocationPath() )
{
reload();
}
}
void QgsGrassModuleInputModel::onMapsetSearchPathChanged()
{
QgsDebugMsg( "entered" );
emit dataChanged( index( 0, 0 ), index( rowCount() - 1, 0 ) );
}
QgsGrassModuleInputModel::~QgsGrassModuleInputModel()
{
}
QgsGrassModuleInputModel *QgsGrassModuleInputModel::instance()
{
static QgsGrassModuleInputModel sInstance;
return &sInstance;
}
QVariant QgsGrassModuleInputModel::data( const QModelIndex & index, int role ) const
{
QVariant data = QStandardItemModel::data( index, role );
if ( role == Qt::DisplayRole || role == Qt::EditRole ) // EditRole for combo
{
int type = QStandardItemModel::data( index, QgsGrassModuleInputModel::TypeRole ).toInt();
if ( type == QgsGrassObject::Raster || type == QgsGrassObject::Vector )
{
QString mapset = QStandardItemModel::data( index, QgsGrassModuleInputModel::MapsetRole ).toString();
if ( mapset != QgsGrass::getDefaultMapset() )
{
data = data.toString() + "@" + mapset;
}
}
}
return data;
}
/**************************** QgsGrassModuleInputProxy ****************************/
QgsGrassModuleInputProxy::QgsGrassModuleInputProxy( QgsGrassModuleInputModel *sourceModel, QgsGrassObject::Type type, QObject *parent )
: QSortFilterProxyModel( parent )
, mSourceModel( sourceModel )
, mType( type )
{
setSourceModel( mSourceModel );
setDynamicSortFilter( true );
}
bool QgsGrassModuleInputProxy::filterAcceptsRow( int sourceRow, const QModelIndex &sourceParent ) const
{
if ( !sourceModel() )
{
return false;
}
QModelIndex sourceIndex = sourceModel()->index( sourceRow, 0, sourceParent );
QgsDebugMsg( QString( "mType = %1 item type = %2" ).arg( mType ).arg( sourceModel()->data( sourceIndex, QgsGrassModuleInputModel::TypeRole ).toInt() ) );
QgsGrassObject::Type itemType = ( QgsGrassObject::Type )( sourceModel()->data( sourceIndex, QgsGrassModuleInputModel::TypeRole ).toInt() );
if ( itemType == QgsGrassObject::Mapset )
{
// TODO: filter out mapsets which have no map of given type? May be confusin if user does not see existing mapset in the tree.
QString mapset = sourceModel()->data( sourceIndex, QgsGrassModuleInputModel::MapsetRole ).toString();
if ( QgsGrass::instance()->isMapsetInSearchPath( mapset ) )
{
return true;
}
else
{
QgsDebugMsg( "mapset " + mapset + " is not in search path" );
return false;
}
}
return mType == itemType || ( mType == QgsGrassObject::Stds && ( itemType == QgsGrassObject::Strds || itemType == QgsGrassObject::Stvds || itemType == QgsGrassObject::Str3ds ) );
}
bool QgsGrassModuleInputProxy::lessThan( const QModelIndex & left, const QModelIndex & right ) const
{
if ( mSourceModel )
{
// keep current mapset on top
if ( mSourceModel->data( left, QgsGrassModuleInputModel::TypeRole ).toInt() == QgsGrassObject::Mapset )
{
if ( mSourceModel->data( left ).toString() == QgsGrass::getDefaultMapset() )
{
return true;
}
else if ( mSourceModel->data( right ).toString() == QgsGrass::getDefaultMapset() )
{
return false;
}
}
}
return QSortFilterProxyModel::lessThan( left, right );
}
/**************************** QgsGrassModuleInputTreeView ****************************/
QgsGrassModuleInputTreeView::QgsGrassModuleInputTreeView( QWidget * parent )
: QTreeView( parent )
{
setHeaderHidden( true );
}
void QgsGrassModuleInputTreeView::resetState()
{
QAbstractItemView::setState( QAbstractItemView::NoState );
}
/**************************** QgsGrassModuleInputPopup ****************************/
QgsGrassModuleInputPopup::QgsGrassModuleInputPopup( QWidget * parent )
: QTreeView( parent )
{
//setMinimumHeight(200);
}
void QgsGrassModuleInputPopup::setModel( QAbstractItemModel * model )
{
QgsDebugMsg( "entered" );
QTreeView::setModel( model );
}
/**************************** QgsGrassModuleInputCompleterProxy ****************************/
// TODO refresh data on sourceModel data change
QgsGrassModuleInputCompleterProxy::QgsGrassModuleInputCompleterProxy( QObject * parent )
: QAbstractProxyModel( parent )
{
}
int QgsGrassModuleInputCompleterProxy::rowCount( const QModelIndex & parent ) const
{
Q_UNUSED( parent );
return mRows.size();
}
QModelIndex QgsGrassModuleInputCompleterProxy::index( int row, int column, const QModelIndex & parent ) const
{
Q_UNUSED( parent );
return createIndex( row, column );
}
QModelIndex QgsGrassModuleInputCompleterProxy::parent( const QModelIndex & index ) const
{
Q_UNUSED( index );
return QModelIndex();
}
void QgsGrassModuleInputCompleterProxy::setSourceModel( QAbstractItemModel * sourceModel )
{
QAbstractProxyModel::setSourceModel( sourceModel );
refreshMapping();
}
QModelIndex QgsGrassModuleInputCompleterProxy::mapFromSource( const QModelIndex & sourceIndex ) const
{
if ( !mRows.contains( sourceIndex ) )
{
return QModelIndex();
}
return createIndex( mRows.value( sourceIndex ), 0 );
}
QModelIndex QgsGrassModuleInputCompleterProxy::mapToSource( const QModelIndex & proxyIndex ) const
{
if ( !mIndexes.contains( proxyIndex.row() ) )
{
return QModelIndex();
}
return mIndexes.value( proxyIndex.row() );
}
void QgsGrassModuleInputCompleterProxy::refreshMapping()
{
// TODO: emit data changed
QgsDebugMsg( "entered" );
mIndexes.clear();
mRows.clear();
map( QModelIndex() );
QgsDebugMsg( QString( "mRows.size() = %1" ).arg( mRows.size() ) );
}
void QgsGrassModuleInputCompleterProxy::map( const QModelIndex & parent, int level )
{
//QgsDebugMsg( "entered" );
if ( !sourceModel() )
{
return;
}
//QgsDebugMsg( "parent = " + sourceModel()->data(parent).toString() );
for ( int i = 0; i < sourceModel()->rowCount( parent ); i++ )
{
QModelIndex index = sourceModel()->index( i, 0, parent );
if ( level == 0 ) // mapset
{
map( index, level + 1 );
}
else if ( level == 1 ) // map
{
int row = mRows.size();
mIndexes.insert( row, index );
mRows.insert( index, row );
}
}
}
/**************************** QgsGrassModuleInputCompleter ****************************/
// TODO: implement tree view in popup
QgsGrassModuleInputCompleter::QgsGrassModuleInputCompleter( QAbstractItemModel * model, QWidget * parent )
: QCompleter( model, parent )
{
}
bool QgsGrassModuleInputCompleter::eventFilter( QObject * watched, QEvent * event )
{
if ( event->type() == QEvent::KeyPress && watched == widget() )
{
QKeyEvent *keyEvent = static_cast<QKeyEvent *>( event );
// Disable Up/Down in edit line (causing selection of previous/next item + activated() signal)
if ( keyEvent->key() == Qt::Key_Up || keyEvent->key() == Qt::Key_Down )
{
QgsDebugMsg( "Up/Down" );
return true;
}
}
return QCompleter::eventFilter( watched, event );
}
/**************************** QgsGrassModuleInputComboBox ****************************/
// Ideas from http://qt.shoutwiki.com/wiki/Implementing_QTreeView_in_QComboBox_using_Qt-_Part_2
// and bug work around https://bugreports.qt.io/browse/QTBUG-11913
QgsGrassModuleInputComboBox::QgsGrassModuleInputComboBox( QgsGrassObject::Type type, QWidget * parent )
: QComboBox( parent )
, mType( type )
, mModel( 0 )
, mProxy( 0 )
, mTreeView( 0 )
, mSkipHide( false )
{
setEditable( true );
setInsertPolicy( QComboBox::NoInsert );
mModel = QgsGrassModuleInputModel::instance();
mProxy = new QgsGrassModuleInputProxy( mModel, mType, this );
setModel( mProxy );
mTreeView = new QgsGrassModuleInputTreeView( this );
mTreeView->setSortingEnabled( true );
mTreeView->sortByColumn( 0, Qt::AscendingOrder );
mTreeView->setSelectionMode( QAbstractItemView::SingleSelection );
//mTreeView->setSelectionMode(QAbstractItemView::MultiSelection); // does not work
mTreeView->viewport()->installEventFilter( this );
setView( mTreeView ); // takes ownership
mTreeView->expandAll();
QgsGrassModuleInputCompleterProxy *completerProxy = new QgsGrassModuleInputCompleterProxy( this );
completerProxy->setSourceModel( mProxy );
QCompleter *completer = new QgsGrassModuleInputCompleter( completerProxy, this );
completer->setCompletionRole( Qt::DisplayRole );
completer->setCaseSensitivity( Qt::CaseInsensitive );
// TODO: enable when Qt version requirement gets over 5.2
//setFilterMode( Qt::MatchWildcard );
completer->setCompletionMode( QCompleter::PopupCompletion );
completer->setMaxVisibleItems( 20 );
// TODO: set custom treeview for completer popup to show items in tree structure, if feasible
//QgsGrassModuleInputPopup *popupView = new QgsGrassModuleInputPopup();
//completer->setPopup( popupView );
//popupView->setModel( mModel );
setCompleter( completer );
setCurrentIndex( -1 );
}
bool QgsGrassModuleInputComboBox::eventFilter( QObject * watched, QEvent * event )
{
// mSkipHide does not seem to be necessary anymore, not sure why
if ( event->type() == QEvent::MouseButtonPress && watched == view()->viewport() )
{
QMouseEvent* mouseEvent = static_cast<QMouseEvent*>( event );
QModelIndex index = view()->indexAt( mouseEvent->pos() );
if ( !view()->visualRect( index ).contains( mouseEvent->pos() ) )
{
mSkipHide = true;
}
}
return false;
}
void QgsGrassModuleInputComboBox::showPopup()
{
setRootModelIndex( QModelIndex() );
QComboBox::showPopup();
}
void QgsGrassModuleInputComboBox::hidePopup()
{
if ( view()->currentIndex().isValid() )
{
QModelIndex sourceIndex = mProxy->mapToSource( view()->currentIndex() );
QStandardItem *item = mModel->itemFromIndex( sourceIndex );
if ( item && item->isSelectable() )
{
setRootModelIndex( view()->currentIndex().parent() );
setCurrentIndex( view()->currentIndex().row() );
}
}
if ( mSkipHide )
{
mSkipHide = false;
}
else
{
QComboBox::hidePopup();
}
//QComboBox::hidePopup();
// reset state to fix the bug after drag
mTreeView->resetState();
}
QgsGrassModuleInputComboBox::~QgsGrassModuleInputComboBox()
{
}
void QgsGrassModuleInputComboBox::setCurrent( const QModelIndex & proxyIndex )
{
setRootModelIndex( proxyIndex.parent() );
setModelColumn( proxyIndex.column() );
setCurrentIndex( proxyIndex.row() );
setRootModelIndex( QModelIndex() );
view()->setCurrentIndex( proxyIndex );
}
bool QgsGrassModuleInputComboBox::setCurrent( const QString &map, const QString &mapset )
{
QString ms = mapset.isEmpty() ? QgsGrass::getDefaultMapset() : mapset;
QgsDebugMsg( " map = " + map + " mapset = " + mapset + " ms = " + ms );
mTreeView->selectionModel()->clear();
for ( int i = 0; i < mProxy->rowCount(); i++ )
{
QModelIndex mapsetIndex = mProxy->index( i, 0 );
if ( mProxy->data( mapsetIndex, QgsGrassModuleInputModel::MapsetRole ).toString() == ms )
{
for ( int j = 0; j < mProxy->rowCount( mapsetIndex ); j++ )
{
QModelIndex mapIndex = mProxy->index( j, 0, mapsetIndex );
if ( mProxy->data( mapIndex, QgsGrassModuleInputModel::MapRole ).toString() == map )
{
mTreeView->scrollTo( mapIndex ); // expand
setCurrent( mapIndex );
return true;
}
}
break;
}
}
return false;
}
bool QgsGrassModuleInputComboBox::setFirst()
{
int index = 0;
for ( int i = 0; i < mProxy->rowCount(); i++ )
{
QModelIndex mapsetIndex = mProxy->index( i, 0 );
if ( mProxy->rowCount( mapsetIndex ) > 0 )
{
QModelIndex mapIndex = mProxy->index( 0, 0, mapsetIndex );
mTreeView->scrollTo( mapIndex ); // expand
setCurrent( mapIndex );
return true;
}
index++;
}
return false;
}
/******************** QgsGrassModuleInputSelectedDelegate *********************/
// Taken from Qt Creator
QgsGrassModuleInputSelectedDelegate::QgsGrassModuleInputSelectedDelegate( QObject *parent )
: QStyledItemDelegate( parent )
{
}
void QgsGrassModuleInputSelectedDelegate::handlePressed( const QModelIndex &index )
{
if ( index.column() == 1 )
{
mPressedIndex = index;
}
}
void QgsGrassModuleInputSelectedDelegate::paint( QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index ) const
{
if ( option.state & QStyle::State_MouseOver )
{
if (( QApplication::mouseButtons() & Qt::LeftButton ) == 0 )
mPressedIndex = QModelIndex();
QBrush brush = option.palette.alternateBase();
if ( index == mPressedIndex )
brush = option.palette.dark();
painter->fillRect( option.rect, brush );
}
QStyledItemDelegate::paint( painter, option, index );
if ( index.column() == 1 && option.state & QStyle::State_MouseOver )
{
const QIcon icon = ( option.state & QStyle::State_Selected ) ? QgsGrassPlugin::getThemeIcon( "closebutton.png" ) : QgsGrassPlugin::getThemeIcon( "darkclosebutton.png" );
QRect iconRect( option.rect.right() - option.rect.height(),
option.rect.top(),
option.rect.height(),
option.rect.height() );
icon.paint( painter, iconRect, Qt::AlignRight | Qt::AlignVCenter );
}
}
/******************** QgsGrassModuleInputSelectedView *********************/
QgsGrassModuleInputSelectedView::QgsGrassModuleInputSelectedView( QWidget *parent )
: QTreeView( parent )
{
mDelegate = new QgsGrassModuleInputSelectedDelegate( this );
setItemDelegate( mDelegate );
setIndentation( 0 );
setUniformRowHeights( true );
setTextElideMode( Qt::ElideMiddle );
setFrameStyle( QFrame::NoFrame );
setAttribute( Qt::WA_MacShowFocusRect, false );
viewport()->setAttribute( Qt::WA_Hover );
setSelectionMode( QAbstractItemView::SingleSelection );
setSelectionBehavior( QAbstractItemView::SelectRows );
installEventFilter( this );
viewport()->installEventFilter( this );
connect( this, SIGNAL( pressed( const QModelIndex & ) ),
mDelegate, SLOT( handlePressed( const QModelIndex & ) ) );
}
void QgsGrassModuleInputSelectedView::setModel( QAbstractItemModel *model )
{
QTreeView::setModel( model );
header()->hide();
header()->setStretchLastSection( false );
header()->setResizeMode( 0, QHeaderView::Stretch );
header()->setResizeMode( 1, QHeaderView::Fixed );
header()->resizeSection( 1, 16 );
}
bool QgsGrassModuleInputSelectedView::eventFilter( QObject *obj, QEvent *event )
{
if ( obj == this && event->type() == QEvent::KeyPress && currentIndex().isValid() )
{
QgsDebugMsg( "KeyPress" );
QKeyEvent *ke = static_cast<QKeyEvent*>( event );
if (( ke->key() == Qt::Key_Delete || ke->key() == Qt::Key_Backspace ) && ke->modifiers() == 0 )
{
emit deleteItem( currentIndex() );
}
}
else if ( obj == viewport() && event->type() == QEvent::MouseButtonRelease )
{
QgsDebugMsg( "MouseButtonRelease" );
QMouseEvent * me = static_cast<QMouseEvent*>( event );
if ( me->button() == Qt::LeftButton && me->modifiers() == Qt::NoModifier )
{
QModelIndex index = indexAt( me->pos() );
if ( index.isValid() && index.column() == 1 )
{
emit deleteItem( index );
return true;
}
}
}
return false;
}
/**************************** QgsGrassModuleInput ****************************/
QgsGrassModuleInput::QgsGrassModuleInput( QgsGrassModule *module,
QgsGrassModuleStandardOptions *options, QString key,
QDomElement &qdesc, QDomElement &gdesc, QDomNode &gnode,
bool direct, QWidget * parent )
: QgsGrassModuleGroupBoxItem( module, key, qdesc, gdesc, gnode, direct, parent )
, mType( QgsGrassObject::Vector )
, mModuleStandardOptions( options )
, mModel( 0 )
, mSelectedModel( 0 )
, mComboBox( 0 )
, mRegionButton( 0 )
, mLayerLabel( 0 )
, mLayerComboBox( 0 )
, mSelectedTreeView( 0 )
, mVector( 0 )
, mUpdate( false )
, mUsesRegion( false )
, mRequired( false )
{
QgsDebugMsg( "entered" );
mGeometryTypeMask = GV_POINT | GV_LINE | GV_AREA;
if ( mTitle.isEmpty() )
{
mTitle = tr( "Input" );
}
adjustTitle();
// Check if this parameter is required
mRequired = gnode.toElement().attribute( "required" ) == "yes";
QDomNode promptNode = gnode.namedItem( "gisprompt" );
QDomElement promptElem = promptNode.toElement();
QString element = promptElem.attribute( "element" );
QDomNode typeNode;
if ( element == "vector" )
{
mType = QgsGrassObject::Vector;
// Read type mask if "typeoption" is defined
QString opt = qdesc.attribute( "typeoption" );
if ( ! opt.isNull() )
{
typeNode = nodeByKey( gdesc, opt );
if ( typeNode.isNull() )
{
mErrors << tr( "Cannot find typeoption %1" ).arg( opt );
}
else
{
mGeometryTypeOption = opt;
QDomNode valuesNode = typeNode.namedItem( "values" );
if ( valuesNode.isNull() )
{
mErrors << tr( "Cannot find values for typeoption %1" ).arg( opt );
}
else
{
mGeometryTypeMask = 0; //GV_POINT | GV_LINE | GV_AREA;
QDomElement valuesElem = valuesNode.toElement();
QDomNode valueNode = valuesElem.firstChild();
while ( !valueNode.isNull() )
{
QDomElement valueElem = valueNode.toElement();
if ( !valueElem.isNull() && valueElem.tagName() == "value" )
{
QDomNode n = valueNode.namedItem( "name" );
if ( !n.isNull() )
{
QDomElement e = n.toElement();
QString val = e.text().trimmed();
mGeometryTypeMask |= QgsGrass::vectorType( val );
}
}
valueNode = valueNode.nextSibling();
}
QgsDebugMsg( QString( "mGeometryTypeMask = %1" ).arg( mGeometryTypeMask ) );
}
}
}
// Read type mask defined in configuration
opt = qdesc.attribute( "typemask" );
if ( ! opt.isNull() )
{
int mask = 0;
Q_FOREACH ( const QString& typeName, opt.split( "," ) )
{
mask |= QgsGrass::vectorType( typeName );
}
mGeometryTypeMask &= mask;
QgsDebugMsg( QString( "mask = %1 -> mGeometryTypeMask = %2" ).arg( mask ).arg( mGeometryTypeMask ) );
}
// Read "layeroption" if defined
opt = qdesc.attribute( "layeroption" );
if ( ! opt.isNull() )
{
QDomNode optNode = nodeByKey( gdesc, opt );
if ( optNode.isNull() )
{
mErrors << tr( "Cannot find layeroption %1" ).arg( opt );
}
else
{
mVectorLayerOption = opt;
}
}
// Read "mapid"
mMapId = qdesc.attribute( "mapid" );
}
else if ( element == "cell" )
{
mType = QgsGrassObject::Raster;
}
else if ( element == "strds" )
{
mType = QgsGrassObject::Strds;
}
else if ( element == "stvds" )
{
mType = QgsGrassObject::Stvds;
}
else if ( element == "str3ds" )
{
mType = QgsGrassObject::Str3ds;
}
else if ( element == "stds" )
{
mType = QgsGrassObject::Stds;
}
else
{
mErrors << tr( "GRASS element %1 not supported" ).arg( element );
}
if ( qdesc.attribute( "update" ) == "yes" )
{
mUpdate = true;
}
QVBoxLayout *layout = new QVBoxLayout( this );
// Map + region
QHBoxLayout *mapLayout = new QHBoxLayout();
layout->addLayout( mapLayout );
// Map input
mComboBox = new QgsGrassModuleInputComboBox( mType, this );
mComboBox->setSizePolicy( QSizePolicy::Expanding, QSizePolicy:: Preferred );
// QComboBox does not emit activated() when item is selected in completer popup
connect( mComboBox, SIGNAL( activated( const QString & ) ), this, SLOT( onActivated( const QString & ) ) );
connect( mComboBox->completer(), SIGNAL( activated( const QString & ) ), this, SLOT( onActivated( const QString & ) ) );
connect( mComboBox, SIGNAL( editTextChanged( const QString & ) ), this, SLOT( onChanged( const QString & ) ) );
mapLayout->addWidget( mComboBox );
// Region button
QString region = qdesc.attribute( "region" );
// TODO: implement region for multiple
if ( mType == QgsGrassObject::Raster && region != "no" && !mDirect && !multiple() )
{
mRegionButton = new QPushButton( QgsGrassPlugin::getThemeIcon( "grass_set_region.png" ), "" );
mRegionButton->setToolTip( tr( "Use region of this map" ) );
mRegionButton->setCheckable( true );
mRegionButton->setSizePolicy( QSizePolicy::Minimum, QSizePolicy:: Preferred );
mapLayout->addWidget( mRegionButton );
}
if ( multiple() )
{
mSelectedModel = new QStandardItemModel( 0, 2 );
mSelectedTreeView = new QgsGrassModuleInputSelectedView( this );
mSelectedTreeView->setModel( mSelectedModel );
connect( mSelectedTreeView, SIGNAL( deleteItem( const QModelIndex & ) ), this, SLOT( deleteSelectedItem( const QModelIndex & ) ) );
layout->addWidget( mSelectedTreeView );
}
// Vector layer + type
if ( mType == QgsGrassObject::Vector && !multiple() )
{
QHBoxLayout *layerLayout = new QHBoxLayout();
layout->addLayout( layerLayout );