more work on a higher level listview interface

4 files changed, 148 insertions, 11 deletions

diff --git a/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp b/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp
index 31bda9d..5ba7b69 100644
--- a/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp
+++ b/libopie2/examples/opieui/olistviewdemo/olistviewdemo.cpp
@@ -43,2 +43,3 @@ OListViewDemo::OListViewDemo( QWidget* parent, const char* name, WFlags f )
     lv = new ONamedListView( this );
+    lv->setRootIsDecorated( true );
     lv->addColumns( QStringList::split( ' ', "Column1 Column2 Column3 Column4" ) );
@@ -48,2 +49,27 @@ OListViewDemo::OListViewDemo( QWidget* parent, const char* name, WFlags f )
     item->setText( "Column5", "ThisColumnDoesNotExits" );
+
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Minni" ) );
+    item = new ONamedListViewItem( lv, QStringList::split( ' ', "XXX YYY ZZZ ***" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( lv, QStringList::split( ' ', "Text1 Text2 Text3 Text4" ) );
+
+    new ONamedListViewItem( item, QStringList::split( ' ', "SubText1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( item, QStringList::split( ' ', "SubText1 Text2 Text3 Text4" ) );
+    new ONamedListViewItem( item, QStringList::split( ' ', "SubText1 Text2 Text3 Text4" ) );
+    item = new ONamedListViewItem( item, QStringList::split( ' ', "Text1 Text2 Text3 HereItComes" ) );
+    item = new ONamedListViewItem( item, QStringList::split( ' ', "Text1 Text2 Text3 HereItComesSoon" ) );
+    item = new ONamedListViewItem( item, QStringList::split( ' ', "Text1 Text2 Text3 Mickey" ) );
+
+    if ( lv->find( 3, "Mickey", 3 ) )
+        qDebug( "found Mickey :-)" );
+    else
+        qDebug( "did not found Mickey :-(" );
+
+    if ( lv->find( 3, "Minni", 0 ) )
+        qDebug( "found Minni :-)" );
+    else
+        qDebug( "did not found Minni :-(" );
+
 }
diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index a29b29d..1b38d02 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -78,2 +78,3 @@ class OMonitoringInterface;
  * This class provides access to all available network interfaces of your computer.
+ *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
@@ -139,2 +140,3 @@ class ONetwork : public QObject
  * process permissions to work.
+ *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
@@ -248,2 +250,3 @@ class ONetworkInterface : public QObject
  * the radio frequency hardware can only detect packets sent on the same frequency.
+ *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
@@ -307,2 +310,4 @@ class OChannelHopper : public QObject
  * This class provides a high-level encapsulation of the Linux wireless extension API.
+ *
+ * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
  */
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
@@ -468,2 +468,64 @@ void ONamedListView::addColumns( const QStringList& columns )
 
+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;
+}
+
+
 /*======================================================================================
@@ -522,11 +584,24 @@ void ONamedListViewItem::setText( const QString& column, const QString& text )
     //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
@@ -243,2 +243,4 @@ QDataStream& operator>>( QDataStream& stream, OListViewItem& item );
 
+class ONamedListViewItem;
+
 /**
@@ -246,3 +248,3 @@ QDataStream& operator>>( QDataStream& stream, OListViewItem& item );
  *
- * This class provides a higher-level interface to the columns in an OListView.
+ * This class provides a higher-level interface to an OListView.
  *
@@ -268,2 +270,20 @@ class ONamedListView: public OListView
     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;
 };
@@ -277,3 +297,3 @@ class ONamedListView: public OListView
  *
- * This class provides a higher-level interface to the columns in an OListViewItem.
+ * This class provides a higher-level interface to an OListViewItem.
  *
@@ -306,2 +326,13 @@ class ONamedListViewItem: public OListViewItem
     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;
 };