17#include "moc_qgsbrowserproxymodel.cpp"
22#include <QRegularExpression>
25 : QSortFilterProxyModel( parent )
27 setDynamicSortFilter(
true );
29 setSortCaseSensitivity( Qt::CaseInsensitive );
36 setSourceModel( model );
41 const QModelIndex sourceIndex = mapToSource( index );
47 if ( mPatternSyntax == syntax )
49 mPatternSyntax = syntax;
55 return mPatternSyntax;
60 if ( mFilter == filter )
73 mCaseSensitivity = sensitivity;
79 return mCaseSensitivity;
82void QgsBrowserProxyModel::updateFilter()
85 switch ( mPatternSyntax )
89 const QStringList filterParts = mFilter.split(
'|' );
90 for (
const QString &f : filterParts )
92 const QRegularExpression rx( QRegularExpression::wildcardToRegularExpression( QStringLiteral(
"*%1*" ).arg( f.trimmed() ) ),
93 mCaseSensitivity == Qt::CaseInsensitive ? QRegularExpression::CaseInsensitiveOption : QRegularExpression::NoPatternOption );
100 const QStringList filterParts = mFilter.split(
'|' );
101 for (
const QString &f : filterParts )
103 const QRegularExpression rx( QRegularExpression::wildcardToRegularExpression( f.trimmed() ),
104 mCaseSensitivity == Qt::CaseInsensitive ? QRegularExpression::CaseInsensitiveOption : QRegularExpression::NoPatternOption );
105 mREList.append( rx );
111 const QRegularExpression rx( mFilter.trimmed(), mCaseSensitivity == Qt::CaseInsensitive ? QRegularExpression::CaseInsensitiveOption : QRegularExpression::NoPatternOption );
112 mREList.append( rx );
119bool QgsBrowserProxyModel::filterAcceptsString(
const QString &value )
const
121 for (
const QRegularExpression &rx : mREList )
123 if ( rx.match( value ).hasMatch() )
132 if ( ( mFilter.isEmpty() && !mFilterByLayerType && mHiddenDataItemsKeys.empty() && mShownDataItemsKeys.empty() ) || !
mModel )
135 const QModelIndex sourceIndex =
mModel->
index( sourceRow, 0, sourceParent );
136 if ( !filterAcceptsProviderKey( sourceIndex ) || !filterRootAcceptsProviderKey( sourceIndex ) )
142 if ( qobject_cast< QgsLayerItem * >( item ) )
148 return filterAcceptsItem( sourceIndex ) || filterAcceptsAncestor( sourceIndex ) || filterAcceptsDescendant( sourceIndex );
178bool QgsBrowserProxyModel::filterAcceptsAncestor(
const QModelIndex &sourceIndex )
const
183 if ( mFilterByLayerType )
186 const QModelIndex sourceParentIndex =
mModel->
parent( sourceIndex );
187 if ( !sourceParentIndex.isValid() )
189 if ( filterAcceptsItem( sourceParentIndex ) )
192 return filterAcceptsAncestor( sourceParentIndex );
195bool QgsBrowserProxyModel::filterAcceptsDescendant(
const QModelIndex &sourceIndex )
const
202 const QModelIndex sourceChildIndex =
mModel->
index( i, 0, sourceIndex );
203 if ( filterAcceptsItem( sourceChildIndex ) )
205 if ( filterAcceptsDescendant( sourceChildIndex ) )
211bool QgsBrowserProxyModel::filterAcceptsItem(
const QModelIndex &sourceIndex )
const
216 if ( mFilterByLayerType )
219 if (
QgsLayerItem *layerItem = qobject_cast< QgsLayerItem * >( item ) )
221 if ( layerItem->mapLayerType() != mLayerType )
224 else if ( !qobject_cast< QgsDataCollectionItem * >( item ) )
228 if ( !mFilter.isEmpty() )
232 return ( filterAcceptsString(
mModel->
data( sourceIndex, Qt::DisplayRole ).toString() )
233 || ( !comment.isEmpty() && filterAcceptsString( comment ) )
240bool QgsBrowserProxyModel::filterAcceptsProviderKey(
const QModelIndex &sourceIndex )
const
246 if ( providerKey.isEmpty() )
249 return !mHiddenDataItemsKeys.contains( providerKey ) && ( mShownDataItemsKeys.isEmpty() || mShownDataItemsKeys.contains( providerKey ) );
252bool QgsBrowserProxyModel::filterRootAcceptsProviderKey(
const QModelIndex &sourceIndex )
const
257 const QModelIndex sourceParentIndex =
mModel->
parent( sourceIndex );
258 if ( !sourceParentIndex.isValid() )
260 return filterAcceptsProviderKey( sourceIndex );
263 return filterRootAcceptsProviderKey( sourceParentIndex );
268 mHiddenDataItemsKeys = filter;
274 mShownDataItemsKeys = filter;
281 const bool isFertile { QSortFilterProxyModel::hasChildren( parent ) };
282 if ( isFertile && parent.isValid() )
290 else if ( mFilterByLayerType && qobject_cast< QgsLayerItem * >( item ) )
LayerType
Types of layers that can be added to a map.
A model for showing available data sources and other items in a structured tree.
QgsDataItem * dataItem(const QModelIndex &idx) const
Returns the data item at the specified index, or nullptr if no item exists at the index.
QVariant data(const QModelIndex &index, int role=Qt::DisplayRole) const override
int rowCount(const QModelIndex &parent=QModelIndex()) const override
QModelIndex parent(const QModelIndex &index) const override
QModelIndex index(int row, int column, const QModelIndex &parent=QModelIndex()) const override
@ Sort
Custom sort role, see QgsDataItem::sortKey()
@ ProviderKey
Data item provider key that created the item, see QgsDataItem::providerKey()
void setShowLayers(bool showLayers)
Sets show layers to showLayers.
FilterSyntax
Filter syntax options.
@ RegularExpression
Regular expression filtering.
@ Wildcards
Wildcard filtering.
@ Normal
Standard string filtering.
void setShownDataItemProviderKeyFilter(const QStringList &shownItemsFilter)
Sets a filter to show data items based on QgsDataItem::providerKey() associated with the item.
void setHiddenDataItemProviderKeyFilter(const QStringList &hiddenItemsFilter)
Sets a filter to hide data items based on QgsDataItem::providerKey() associated with the item.
void setFilterByLayerType(bool enabled)
Sets whether the model is filtered by map layer type.
bool hasChildren(const QModelIndex &parent=QModelIndex()) const override
void setFilterString(const QString &filter)
Sets the filter string to use when filtering items in the model.
QgsDataItem * dataItem(const QModelIndex &index) const
Returns the data item at the specified proxy index, or nullptr if no item exists at the index.
bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override
void setLayerType(Qgis::LayerType type)
Sets the layer type to filter the model by.
void setFilterCaseSensitivity(Qt::CaseSensitivity sensitivity)
Sets whether item filtering should be case sensitive.
QString filterString() const
Returns the filter string used when filtering items in the model.
QgsBrowserProxyModel(QObject *parent=nullptr)
Constructor for QgsBrowserProxyModel, with the specified parent object.
void setFilterSyntax(FilterSyntax syntax)
Sets the filter syntax.
Qt::CaseSensitivity caseSensitivity() const
Returns whether item filtering is case sensitive.
bool filterByLayerType() const
Returns true if the model is filtered by map layer type.
bool showLayers() const
Returns true if layers must be shown, this flag is TRUE by default.
FilterSyntax filterSyntax() const
Returns the filter syntax.
Qgis::LayerType layerType() const
Returns the layer type to filter the model by.
void setBrowserModel(QgsBrowserModel *model)
Sets the underlying browser model.
QgsBrowserModel * mModel
Reference to associated browser model.
Base class for all items in the model.
virtual bool layerCollection() const
Returns true if the data item is a collection of layers The default implementation returns false,...
Item that represents a layer that can be opened with one of the providers.