find index of layeritem with the passed uri

qgis · Jan 3, 2019 · d453006 · d453006
1 parent 1136aab
commit d453006
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diff --git a/src/core/qgsbrowsermodel.cpp b/src/core/qgsbrowsermodel.cpp
@@ -366,6 +366,30 @@ QModelIndex QgsBrowserModel::findPath( QAbstractItemModel *model, const QString
   return QModelIndex(); // not found
 }
 
+QModelIndex QgsBrowserModel::findUri( const QString &uri, QModelIndex index )
+{
+  for ( int i = 0; i < this->rowCount( index ); i++ )
+  {
+    QModelIndex idx = this->index( i, 0, index );
+
+    if ( qobject_cast<QgsLayerItem *>( dataItem( idx ) ) )
+    {
+      QString itemUri = qobject_cast<QgsLayerItem *>( dataItem( idx ) )->uri();
+
+      if ( itemUri == uri )
+      {
+        QgsDebugMsgLevel( "Arrived " + itemUri, 4 );
+        return idx; // we have found the item we have been looking for
+      }
+    }
+
+    QModelIndex childIdx = findUri( uri, idx );
+    if ( childIdx.isValid() )
+      return childIdx;
+  }
+  return QModelIndex();
+}
+
 void QgsBrowserModel::connectItem( QgsDataItem * )
 {
   // deprecated, no use

diff --git a/src/core/qgsbrowsermodel.h b/src/core/qgsbrowsermodel.h
@@ -136,6 +136,14 @@ class CORE_EXPORT QgsBrowserModel : public QAbstractItemModel
     //! \note not available in Python bindings
     static QModelIndex findPath( QAbstractItemModel *model, const QString &path, Qt::MatchFlag matchFlag = Qt::MatchExactly ) SIP_SKIP;
 
+    /**
+     * Returns index of layer item with given uri. It only searches in currently fetched
+     * items, i.e. it does not fetch children.
+     * \param uri item uri
+     * \param index the current index of the parent (to search for children)
+     * \returns model index, invalid if item not found */
+    QModelIndex findUri( const QString &uri, QModelIndex index = QModelIndex() );
+
     /**
      * \deprecated Deprecated since QGIS 3.4 -- this method has no effect, and is dangerous to call in earlier QGIS versions. Any usage should be removed (and will have no harmful side-effects!).
      */