- restructure opieui example directory

- start work on ONamedListViewItem providing a slightly higher level interface

2 files changed, 233 insertions, 49 deletions

diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 2b2f09a..8f97cc6 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -218,24 +218,28 @@ OListViewItem::OListViewItem(QListView *parent)
     init();
 }
 
+
 OListViewItem::OListViewItem(QListViewItem *parent)
   : QListViewItem(parent)
 {
     init();
 }
 
+
 OListViewItem::OListViewItem(QListView *parent, QListViewItem *after)
   : QListViewItem(parent, after)
 {
     init();
 }
 
+
 OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after)
   : QListViewItem(parent, after)
 {
     init();
 }
 
+
 OListViewItem::OListViewItem(QListView *parent,
     QString label1, QString label2, QString label3, QString label4,
     QString label5, QString label6, QString label7, QString label8)
@@ -244,6 +248,7 @@ OListViewItem::OListViewItem(QListView *parent,
     init();
 }
 
+
 OListViewItem::OListViewItem(QListViewItem *parent,
     QString label1, QString label2, QString label3, QString label4,
     QString label5, QString label6, QString label7, QString label8)
@@ -252,6 +257,7 @@ OListViewItem::OListViewItem(QListViewItem *parent,
     init();
 }
 
+
 OListViewItem::OListViewItem(QListView *parent, QListViewItem *after,
     QString label1, QString label2, QString label3, QString label4,
     QString label5, QString label6, QString label7, QString label8)
@@ -260,6 +266,7 @@ OListViewItem::OListViewItem(QListView *parent, QListViewItem *after,
     init();
 }
 
+
 OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after,
     QString label1, QString label2, QString label3, QString label4,
     QString label5, QString label6, QString label7, QString label8)
@@ -268,21 +275,25 @@ OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after,
     init();
 }
 
+
 OListViewItem::~OListViewItem()
 {
 }
 
+
 void OListViewItem::init()
 {
     m_known = false;
 }
 
+
 const QColor &OListViewItem::backgroundColor()
 {
     return isAlternate() ? static_cast<OListView*>(listView())->alternateBackground() :
                            listView()->viewport()->colorGroup().base();
 }
 
+
 bool OListViewItem::isAlternate()
 {
     OListView *lv = static_cast<OListView*>( listView() );
@@ -326,6 +337,7 @@ bool OListViewItem::isAlternate()
     return m_odd;
 }
 
+
 void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
 {
     QColorGroup _cg = cg;
@@ -348,11 +360,13 @@ void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, in
     p->drawLine( width-1, 0, width-1, height() );
 }
 
+
 OListViewItem* OListViewItem::childFactory()
 {
     return new OListViewItem( this );
 }
 
+
 #ifndef QT_NO_DATASTREAM
 void OListViewItem::serializeTo( QDataStream& s ) const
 {
@@ -385,6 +399,8 @@ void OListViewItem::serializeTo( QDataStream& s ) const
 
     qDebug( "OListviewItem stored." );
 }
+
+
 void OListViewItem::serializeFrom( QDataStream& s )
 {
     #warning Caution... the binary format is still under construction...
@@ -411,13 +427,106 @@ void OListViewItem::serializeFrom( QDataStream& s )
     qDebug( "OListViewItem loaded." );
 }
 
+
 QDataStream& operator<<( QDataStream& s, const OListViewItem& lvi )
 {
     lvi.serializeTo( s );
 }
 
+
 QDataStream& operator>>( QDataStream& s, OListViewItem& lvi )
 {
     lvi.serializeFrom( s );
 }
 #endif // QT_NO_DATASTREAM
+
+
+/*======================================================================================
+ * ONamedListView
+ *======================================================================================*/
+
+ONamedListView::ONamedListView( QWidget *parent, const char *name )
+               :OListView( parent, name )
+{
+}
+
+
+ONamedListView::~ONamedListView()
+{
+}
+
+
+void ONamedListView::addColumns( const QStringList& columns )
+{
+    for ( QStringList::ConstIterator it = columns.begin(); it != columns.end(); ++it )
+    {
+        qDebug( "adding column %s", (const char*) *it );
+        addColumn( *it );
+    }
+}
+
+
+/*======================================================================================
+ * ONamedListViewItem
+ *======================================================================================*/
+
+ONamedListViewItem::ONamedListViewItem( QListView* parent, const QStringList& texts )
+                   :OListViewItem( parent )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, const QStringList& texts )
+                   :OListViewItem( parent )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts )
+                   :OListViewItem( parent, after )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts )
+                   :OListViewItem( parent, after )
+{
+    setText( texts );
+}
+
+
+ONamedListViewItem::~ONamedListViewItem()
+{
+}
+
+
+void ONamedListViewItem::setText( const QStringList& texts )
+{
+    int col = 0;
+    for ( QStringList::ConstIterator it = texts.begin(); it != texts.end(); ++it )
+    {
+        qDebug( "setting column %d = text %s", col, (const char*) *it );
+        OListViewItem::setText( col++, *it );
+    }
+
+}
+
+
+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 );
+}
diff --git a/libopie2/opieui/olistview.h b/libopie2/opieui/olistview.h
index b62e278..99770bf 100644
--- a/libopie2/opieui/olistview.h
+++ b/libopie2/opieui/olistview.h
@@ -38,13 +38,18 @@
 
 class OListViewItem;
 
+/*======================================================================================
+ * OListView
+ *======================================================================================*/
+
 /**
+ * @brief A list/tree widget.
+ *
  * A @ref QListView variant featuring visual and functional enhancements
  * like an alternate background for odd rows, an autostretch mode
  * for the width of the widget ( >= Qt 3 only ) and persistence capabilities.
  *
  * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
- * @short OListView list/tree widget.
  */
  class OListView: public QListView
 {
@@ -52,83 +57,65 @@ class OListViewItem;
    /**
     * Constructor.
     *
-    * The parameters @p parent and @p name are handled by
+    * The parameters @a parent and @a name are handled by
     * @ref QListView, as usual.
     */
     OListView ( QWidget *parent = 0, const char *name = 0 );
-
    /**
     * Destructor.
     */
     virtual ~OListView();
-
    /**
     * Let the last column fit exactly all the available width.
     */
     void setFullWidth( bool fullWidth );
-
    /**
     * Returns whether the last column is set to fit the available width.
     */
     bool fullWidth() const;
-
    /**
     * Reimplemented for full width support
     */
     virtual int addColumn( const QString& label, int width = -1 );
-
    /**
     * Reimplemented for full width support
     */
     virtual int addColumn( const QIconSet& iconset, const QString& label, int width = -1 );
-
    /**
     * Reimplemented for full width support
     */
     virtual void removeColumn(int index);
-
    /**
-    * sets the alternate background background color.
+    * Set the alternate background background @a color.
+    * Set to an invalid color to disable alternate colors.
     * This only has an effect if the items are OListViewItems
-    *
-    * @param c the color to use for every other item. Set to an invalid
-    *        color to disable alternate colors.
     */
-    void setAlternateBackground( const QColor &c );
-
+    void setAlternateBackground( const QColor& color );
    /**
-    * sets the column separator pen.
-    *
-    * @param p the pen used to draw the column separator.
+    * Sets the column separator @a pen.
     */
-    void setColumnSeparator( const QPen &p );
+    void setColumnSeparator( const QPen& pen );
 
    /**
-    * @return the alternate background color
+    * @returns the alternate background color
     */
     const QColor& alternateBackground() const;
-
    /**
     * @return the column separator pen
     */
     const QPen& columnSeparator() const;
-
    /**
-    * create a list view item as child of this object
-    * @return the new object
+    * Create a list view item as child of this object
+    * @returns the new object
     */
     virtual OListViewItem* childFactory();
-
 #ifndef QT_NO_DATASTREAM
    /**
-    * serialize this object to a @ref QDataStream
-    * @param s the stream used to serialize this object.
+    * Serialize this object to @ref QDataStream @a stream
     */
-    virtual void serializeTo( QDataStream& s ) const;
-
+    virtual void serializeTo( QDataStream& stream ) const;
    /**
-    * serialize this object from a @ref QDataStream
-    * @param s the stream used to serialize this object.
+    * Serialize this object from a @ref QDataStream @a stream
     */
     virtual void serializeFrom( QDataStream& s );
 #endif
@@ -141,22 +128,27 @@ class OListViewItem;
 
 #ifndef QT_NO_DATASTREAM
 /**
-  * \relates QListView
-  * Writes a listview to the stream and returns a reference to the stream.
+  * @relates OListView
+  * Writes @a listview to the @a stream and returns a reference to the stream.
   */
-QDataStream& operator<<( QDataStream& s, const OListView& lv );
+QDataStream& operator<<( QDataStream& stream, const OListView& listview );
 /**
-  * \relates QListView
-  * Reads a listview from the stream and returns a reference to the stream.
+  * @relates OListView
+  * Reads @a listview from the @a stream and returns a reference to the stream.
   */
-QDataStream& operator>>( QDataStream& s, OListView& lv );
+QDataStream& operator>>( QDataStream& stream, OListView& listview );
 #endif // QT_NO_DATASTREAM
 
-//****************************** OListViewItem ******************************************************************
+/*======================================================================================
+ * OListViewItem
+ *======================================================================================*/
 
 class OListViewItem: public QListViewItem
 {
   public:
+    /**
+     * Constructors.
+     */
     OListViewItem( QListView * parent );
     OListViewItem( QListViewItem * parent );
     OListViewItem( QListView * parent, QListViewItem * after );
@@ -185,20 +177,33 @@ class OListViewItem: public QListViewItem
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null,
         QString = QString::null, QString = QString::null );
-
+    /**
+     * Destructor.
+     */
     virtual ~OListViewItem();
-
+    /**
+     * @returns the background color of the list item.
+     */
     const QColor& backgroundColor();
+    /**
+     * @returns true, if the item is at an odd position and
+     * thus have to be painted with the alternate background color.
+     */
     bool isAlternate();
+    /**
+     * @note: Reimplemented for internal purposes - the API is not affected
+     *
+     */
     void paintCell( QPainter *p, const QColorGroup &cg, int column, int width, int alignment );
+    /**
+     * Perform object initialization.
+     */
     void init();
-
    /**
     * create a list view item as child of this object
-    * @return the new object
+    * @returns the new object
     */
     virtual OListViewItem* childFactory();
-
     #ifndef QT_NO_DATASTREAM
    /**
     * serialize this object to or from a @ref QDataStream
@@ -220,16 +225,86 @@ class OListViewItem: public QListViewItem
 
 #ifndef QT_NO_DATASTREAM
 /**
-  * \relates QListViewItem
-  * Writes a listview item and all subitems recursively to the stream
+  * @relates QListViewItem
+  * Writes listview @a item and all subitems recursively to @a stream
   * and returns a reference to the stream.
   */
-QDataStream& operator<<( QDataStream &s, const OListViewItem& lvi );
+QDataStream& operator<<( QDataStream& stream, const OListViewItem& item );
 /**
-  * \relates QListViewItem
-  * Reads a listview item from the stream and returns a reference to the stream.
+  * @relates QListViewItem
+  * Reads listview @a item from @a stream and returns a reference to the stream.
   */
-QDataStream& operator>>( QDataStream &s, OListViewItem& lvi );
+QDataStream& operator>>( QDataStream& stream, OListViewItem& item );
 #endif // QT_NO_DATASTREAM
 
+/*======================================================================================
+ * ONamedListView
+ *======================================================================================*/
+
+/**
+ * @brief An OListView variant with named columns.
+ *
+ * This class provides a higher-level interface to the columns in an OListView.
+ *
+ * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ */
+class ONamedListView: public OListView
+{
+  public:
+    /**
+     * Constructor.
+     *
+     * The parameters @a parent and @a name are handled by
+     * @ref OListView, as usual.
+     */
+    ONamedListView( QWidget* parent = 0, const char* name = 0 );
+    /**
+     * Destructor.
+     */
+    virtual ~ONamedListView();
+    /**
+     * Add a number of @a columns to the listview.
+     */
+    virtual void addColumns( const QStringList& columns );
+};
+
+/*======================================================================================
+ * ONamedListViewItem
+ *======================================================================================*/
+
+/**
+ * @brief An OListView variant with named columns.
+ *
+ * This class provides a higher-level interface to the columns in an OListViewItem.
+ *
+ * @author Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
+ */
+class ONamedListViewItem: public OListViewItem
+{
+  public:
+    /**
+     * Constructor. Accepts the same parameters as a @ref OListViewItem,
+     * plus a @ref QStringList which holds an arbitrary number of @a texts.
+     */
+    ONamedListViewItem( QListView* parent, const QStringList& texts );
+    ONamedListViewItem( QListViewItem* parent, const QStringList& texts );
+    ONamedListViewItem( QListView* parent, QListViewItem* after, const QStringList& texts );
+    ONamedListViewItem( QListViewItem* parent, QListViewItem* after, const QStringList& texts );
+    /**
+     * Destructor.
+     */
+    virtual ~ONamedListViewItem();
+    /**
+     * Sets the text in column @a column to @a text.
+     * This method differs from @ref QListViewItem::setText() in that it
+     * accepts a string as column indicator instead of an int.
+     */
+    virtual void setText( const QString& column, const QString& text );
+    /**
+     * Sets a number of @a texts for this item.
+     */
+    virtual void setText( const QStringList& texts );
+};
+
+
 #endif // OLISTVIEW_H