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-rw-r--r--libopie2/opieui/olistview.cpp93
-rw-r--r--libopie2/opieui/olistview.h35
2 files changed, 117 insertions, 11 deletions
diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 8f97cc6..8f290d3 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -463,12 +463,74 @@ void ONamedListView::addColumns( const QStringList& columns )
qDebug( "adding column %s", (const char*) *it );
addColumn( *it );
}
}
+int ONamedListView::findColumn( const QString& text ) const
+{
+ //FIXME: If used excessively, this will slow down performance of updates
+ //FIXME: because of the linear search over all column texts.
+ //FIXME: I will optimize later by using a hash map.
+ for ( int i = 0; i < columns(); ++i )
+ if ( columnText( i ) == text )
+ return i;
+ return -1;
+}
+
+
+ONamedListViewItem* ONamedListView::find( int column, const QString& text, int recurse ) const
+{
+ return find( (ONamedListViewItem*) firstChild(), column, text, recurse );
+}
+
+
+ONamedListViewItem* ONamedListView::find( ONamedListViewItem* item, int column, const QString& text, int recurse ) const
+{
+ ONamedListViewItem* result;
+ while ( item && item->text( column ) != text )
+ {
+ qDebug( "checked %s", (const char*) item->text( column ) );
+
+ if ( recurse < 0 || recurse > 0 )
+ {
+ qDebug( "recursion is %d - recursing into...", recurse );
+ result = find( (ONamedListViewItem*) item->firstChild(), column, text, recurse-1 );
+ if ( result ) return result;
+ }
+
+
+ item = (ONamedListViewItem*) item->itemBelow();
+ }
+ if ( item && item->text( column ) == text )
+ return item;
+ else
+ return 0;
+}
+
+
+ONamedListViewItem* ONamedListView::find( const QString& column, const QString& text, int recurse ) const
+{
+ int col = findColumn( column );
+ if ( col != -1 )
+ return find( (ONamedListViewItem*) firstChild(), col, text, recurse );
+ else
+ return 0;
+}
+
+
+ONamedListViewItem* ONamedListView::find( ONamedListViewItem* item, const QString& column, const QString& text, int recurse ) const
+{
+ int col = findColumn( column );
+ if ( col != -1 )
+ return find( item, col, text, recurse );
+ else
+ return 0;
+}
+
+
/*======================================================================================
* ONamedListViewItem
*======================================================================================*/
ONamedListViewItem::ONamedListViewItem( QListView* parent, const QStringList& texts )
:OListViewItem( parent )
@@ -517,16 +579,29 @@ void ONamedListViewItem::setText( const QStringList& texts )
void ONamedListViewItem::setText( const QString& column, const QString& text )
{
//FIXME: If used excessively, this will slow down performance of updates
//FIXME: because of the linear search over all column texts.
//FIXME: I will optimize later by using a hash map.
- for ( int i = 0; i < listView()->columns(); ++i )
- {
- if ( listView()->columnText( i ) == column )
- {
- OListViewItem::setText( i, text );
- return;
- }
- }
- qWarning( "ONamedListViewItem::setText(): Warning! Columntext '%s' not found.", (const char*) column );
+ int col = ( (ONamedListView*) listView() )->findColumn( column );
+ if ( col != -1 )
+ OListViewItem::setText( col, text );
+ else
+ qWarning( "ONamedListViewItem::setText(): Warning! Columntext '%s' not found.", (const char*) column );
+}
+
+
+ONamedListViewItem* ONamedListViewItem::find( int column, const QString& text, int recurse ) const
+{
+ return ( (ONamedListView*) listView() )->find( (ONamedListViewItem*) firstChild(), column, text, recurse );
}
+
+
+ONamedListViewItem* ONamedListViewItem::find( const QString& column, const QString& text, int recurse ) const
+{
+ int col = ( (ONamedListView*) listView() )->findColumn( column );
+ if ( col != -1 )
+ return ( (ONamedListView*) listView() )->find( (ONamedListViewItem*) firstChild(), col, text, recurse );
+ else
+ return 0;
+}
+
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h
index 99770bf..1bbdd5b 100644
--- a/libopie2/opieui/olistview.h
+++ b/libopie2/opieui/olistview.h
@@ -238,16 +238,18 @@ QDataStream& operator>>( QDataStream& stream, OListViewItem& item );
#endif // QT_NO_DATASTREAM
/*======================================================================================
* ONamedListView
*======================================================================================*/
+class ONamedListViewItem;
+
/**
* @brief An OListView variant with named columns.
*
- * This class provides a higher-level interface to the columns in an OListView.
+ * This class provides a higher-level interface to an OListView.
*
* @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
*/
class ONamedListView: public OListView
{
public:
@@ -263,22 +265,40 @@ class ONamedListView: public OListView
*/
virtual ~ONamedListView();
/**
* Add a number of @a columns to the listview.
*/
virtual void addColumns( const QStringList& columns );
+ /**
+ * @returns the column index matching to @a text or -1 if not found.
+ */
+ virtual int findColumn( const QString& text ) const;
+ /**
+ * @returns the first item which has a @a text in column @a column.
+ * Set @a recurse to indicate how much subchild levels to search, e.g.<ul>
+ * <li>set it to 0 to search only among direct childs,
+ * <li>set it to 1 to search direct childs and all 1st order subchilds
+ * <li>set it to -1 for maximum recursion.
+ * </ul>
+ * @sa ONamedListViewItem::find()
+ */
+ virtual ONamedListViewItem* find( ONamedListViewItem* start, int column, const QString& text, int recurse = -1 ) const;
+ virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const;
+
+ virtual ONamedListViewItem* find( ONamedListViewItem* start, const QString& column, const QString& text, int recurse = -1 ) const;
+ virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const;
};
/*======================================================================================
* ONamedListViewItem
*======================================================================================*/
/**
* @brief An OListView variant with named columns.
*
- * This class provides a higher-level interface to the columns in an OListViewItem.
+ * This class provides a higher-level interface to an OListViewItem.
*
* @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
*/
class ONamedListViewItem: public OListViewItem
{
public:
@@ -301,10 +321,21 @@ class ONamedListViewItem: public OListViewItem
*/
virtual void setText( const QString& column, const QString& text );
/**
* Sets a number of @a texts for this item.
*/
virtual void setText( const QStringList& texts );
+ /**
+ * @returns the first child which has a @a text in column @a column.
+ * Set @a recurse to indicate how much subchild levels to search, e.g.<ul>
+ * <li>set it to 0 to search only among direct childs,
+ * <li>set it to 1 to search direct childs and all 1st order subchilds
+ * <li>set it to -1 for maximum recursion.
+ * </ul>
+ * @sa ONamedListView::find()
+ */
+ virtual ONamedListViewItem* find( int column, const QString& text, int recurse = -1 ) const;
+ virtual ONamedListViewItem* find( const QString& column, const QString& text, int recurse = -1 ) const;
};
#endif // OLISTVIEW_H