bool QgsVectorLayerEditBuffer::deleteFeatures( QgsFeatureIds fids )
{
if ( !( L->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteFeatures ) )
return false;
Q_FOREACH ( QgsFeatureId fid, fids )
deleteFeature( fid );
return true;
}
bool QgsVectorLayerEditBuffer::deleteFeatures( const QgsFeatureIds &fids )
{
if ( !( L->dataProvider()->capabilities() & QgsVectorDataProvider::DeleteFeatures ) )
{
QgsDebugMsg( "Cannot delete features (missing DeleteFeatures capability)" );
return false;
}
bool ok = true;
Q_FOREACH ( QgsFeatureId fid, fids )
ok = deleteFeature( fid ) && ok;
return ok;
}
void Layer::deleteAll() {
while (p->Features.count())
{
deleteFeature(p->Features[0]);
}
}
QgsRelationEditorWidget::QgsRelationEditorWidget( QWidget* parent )
: QgsCollapsibleGroupBox( parent )
, mViewMode( QgsDualView::AttributeEditor )
, mVisible( false )
{
QVBoxLayout* topLayout = new QVBoxLayout( this );
topLayout->setContentsMargins( 0, 9, 0, 0 );
setLayout( topLayout );
// buttons
QHBoxLayout* buttonLayout = new QHBoxLayout();
buttonLayout->setContentsMargins( 0, 0, 0, 0 );
// toogle editing
mToggleEditingButton = new QToolButton( this );
mToggleEditingButton->setObjectName( "mToggleEditingButton" );
mToggleEditingButton->setIcon( QgsApplication::getThemeIcon( "/mActionToggleEditing.svg" ) );
mToggleEditingButton->setText( tr( "Toggle editing" ) );
mToggleEditingButton->setEnabled( false );
mToggleEditingButton->setCheckable( true );
buttonLayout->addWidget( mToggleEditingButton );
// save Edits
mSaveEditsButton = new QToolButton( this );
mSaveEditsButton->setIcon( QgsApplication::getThemeIcon( "/mActionSaveEdits.svg" ) );
mSaveEditsButton->setText( tr( "Save layer edits" ) );
mSaveEditsButton->setEnabled( true );
buttonLayout->addWidget( mSaveEditsButton );
// add feature
mAddFeatureButton = new QToolButton( this );
mAddFeatureButton->setIcon( QgsApplication::getThemeIcon( "/mActionAdd.svg" ) );
mAddFeatureButton->setText( tr( "Add feature" ) );
mAddFeatureButton->setObjectName( "mAddFeatureButton" );
buttonLayout->addWidget( mAddFeatureButton );
// delete feature
mDeleteFeatureButton = new QToolButton( this );
mDeleteFeatureButton->setIcon( QgsApplication::getThemeIcon( "/mActionRemove.svg" ) );
mDeleteFeatureButton->setText( tr( "Delete feature" ) );
mDeleteFeatureButton->setObjectName( "mDeleteFeatureButton" );
buttonLayout->addWidget( mDeleteFeatureButton );
// link feature
mLinkFeatureButton = new QToolButton( this );
mLinkFeatureButton->setIcon( QgsApplication::getThemeIcon( "/mActionLink.svg" ) );
mLinkFeatureButton->setText( tr( "Link feature" ) );
mLinkFeatureButton->setObjectName( "mLinkFeatureButton" );
buttonLayout->addWidget( mLinkFeatureButton );
// unlink feature
mUnlinkFeatureButton = new QToolButton( this );
mUnlinkFeatureButton->setIcon( QgsApplication::getThemeIcon( "/mActionUnlink.svg" ) );
mUnlinkFeatureButton->setText( tr( "Unlink feature" ) );
mUnlinkFeatureButton->setObjectName( "mUnlinkFeatureButton" );
buttonLayout->addWidget( mUnlinkFeatureButton );
// spacer
buttonLayout->addItem( new QSpacerItem( 0, 0, QSizePolicy::Expanding ) );
// form view
mFormViewButton = new QToolButton( this );
mFormViewButton->setText( tr( "Form view" ) );
mFormViewButton->setIcon( QgsApplication::getThemeIcon( "/mActionPropertyItem.png" ) );
mFormViewButton->setCheckable( true );
mFormViewButton->setChecked( mViewMode == QgsDualView::AttributeEditor );
buttonLayout->addWidget( mFormViewButton );
// table view
mTableViewButton = new QToolButton( this );
mTableViewButton->setText( tr( "Table view" ) );
mTableViewButton->setIcon( QgsApplication::getThemeIcon( "/mActionOpenTable.svg" ) );
mTableViewButton->setCheckable( true );
mTableViewButton->setChecked( mViewMode == QgsDualView::AttributeTable );
buttonLayout->addWidget( mTableViewButton );
// button group
mViewModeButtonGroup = new QButtonGroup( this );
mViewModeButtonGroup->addButton( mFormViewButton, QgsDualView::AttributeEditor );
mViewModeButtonGroup->addButton( mTableViewButton, QgsDualView::AttributeTable );
// add buttons layout
topLayout->addLayout( buttonLayout );
mRelationLayout = new QGridLayout();
mRelationLayout->setContentsMargins( 0, 0, 0, 0 );
topLayout->addLayout( mRelationLayout );
mDualView = new QgsDualView( this );
mDualView->setView( mViewMode );
mFeatureSelectionMgr = new QgsGenericFeatureSelectionManager( mDualView );
mDualView->setFeatureSelectionManager( mFeatureSelectionMgr );
mRelationLayout->addWidget( mDualView );
connect( this, SIGNAL( collapsedStateChanged( bool ) ), this, SLOT( onCollapsedStateChanged( bool ) ) );
connect( mViewModeButtonGroup, SIGNAL( buttonClicked( int ) ), this, SLOT( setViewMode( int ) ) );
connect( mToggleEditingButton, SIGNAL( clicked( bool ) ), this, SLOT( toggleEditing( bool ) ) );
connect( mSaveEditsButton, SIGNAL( clicked() ), this, SLOT( saveEdits() ) );
connect( mAddFeatureButton, SIGNAL( clicked() ), this, SLOT( addFeature() ) );
connect( mDeleteFeatureButton, SIGNAL( clicked() ), this, SLOT( deleteFeature() ) );
connect( mLinkFeatureButton, SIGNAL( clicked() ), this, SLOT( linkFeature() ) );
connect( mUnlinkFeatureButton, SIGNAL( clicked() ), this, SLOT( unlinkFeature() ) );
connect( mFeatureSelectionMgr, SIGNAL( selectionChanged( QgsFeatureIds, QgsFeatureIds, bool ) ), this, SLOT( updateButtons() ) );
// Set initial state for add/remove etc. buttons
updateButtons();
}