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authormickeyl <mickeyl>2003-06-28 14:11:46 (UTC)
committer mickeyl <mickeyl>2003-06-28 14:11:46 (UTC)
commit50e4e1e8876372bf9dbb0c32acc93c65434738d5 (patch) (side-by-side diff)
treec430a08b75b7008d9e717df7be96c6479f1bebe5
parent5bb184fd350f1e6352b6f41fbb18b59d2d3d7403 (diff)
downloadopie-50e4e1e8876372bf9dbb0c32acc93c65434738d5.zip
opie-50e4e1e8876372bf9dbb0c32acc93c65434738d5.tar.gz
opie-50e4e1e8876372bf9dbb0c32acc93c65434738d5.tar.bz2
support OListViewItem specific overload of expand to give those the chance
to compute stuff "just in time" - this is also known as lazy computation patch by tille
Diffstat (more/less context) (show whitespace changes)
-rw-r--r--libopie2/opieui/olistview.cpp6
-rw-r--r--libopie2/opieui/olistview.h11
2 files changed, 17 insertions, 0 deletions
diff --git a/libopie2/opieui/olistview.cpp b/libopie2/opieui/olistview.cpp
index 8f290d3..ec503dd 100644
--- a/libopie2/opieui/olistview.cpp
+++ b/libopie2/opieui/olistview.cpp
@@ -1,607 +1,613 @@
/*
                This file is part of the Opie Project
=. (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
.=l.
           .>+-=
 _;:,     .>    :=|. This program is free software; you can
.> <`_,   >  .   <= redistribute it and/or modify it under
:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
.="- .-=="i,     .._ License as published by the Free Software
 - .   .-<_>     .<> Foundation; either version 2 of the License,
     ._= =}       : or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s. This program is distributed in the hope that
     +  .  -:.       = it will be useful, but WITHOUT ANY WARRANTY;
    : ..    .:,     . . . without even the implied warranty of
    =_        +     =;=|` MERCHANTABILITY or FITNESS FOR A
  _.=:.       :    :=>`: PARTICULAR PURPOSE. See the GNU
..}^=.=       =       ; Library General Public License for more
++=   -.     .`     .: details.
 :     =  ...= . :.=-
 -.   .:....=;==+<; You should have received a copy of the GNU
  -_. . .   )=.  = Library General Public License along with
    --        :-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
/* QT */
#include <qcolor.h>
#include <qheader.h>
#include <qpainter.h>
#include <qpixmap.h>
/* OPIE */
#include <opie2/olistview.h>
/*======================================================================================
* OListView
*======================================================================================*/
OListView::OListView( QWidget *parent, const char *name )
:QListView( parent, name )
{
//FIXME: get from global settings and calculate ==> see oglobalsettings.*
m_alternateBackground = QColor( 238, 246, 255 );
m_columnSeparator = QPen( QColor( 150, 160, 170 ), 0, DotLine );
m_fullWidth = true;
+ connect( this, SIGNAL(expanded(QListViewItem*)), SLOT(expand(QListViewItem*)));
}
OListView::~OListView()
{
}
void OListView::setFullWidth( bool fullWidth )
{
m_fullWidth = m_fullWidth;
#if QT_VERSION > 290
header()->setStretchEnabled( fullWidth, columns()-1 );
#endif
}
bool OListView::fullWidth() const
{
return m_fullWidth;
}
int OListView::addColumn( const QString& label, int width )
{
int result = QListView::addColumn( label, width );
#if QT_VERSION > 290
if (m_fullWidth) {
header()->setStretchEnabled( false, columns()-2 );
header()->setStretchEnabled( true, columns()-1 );
}
#endif
return result;
}
int OListView::addColumn( const QIconSet& iconset, const QString& label, int width )
{
int result = QListView::addColumn( iconset, label, width );
#if QT_VERSION > 290
if (m_fullWidth) {
header()->setStretchEnabled( false, columns()-2 );
header()->setStretchEnabled( true, columns()-1 );
}
#endif
return result;
}
void OListView::removeColumn( int index )
{
QListView::removeColumn(index);
#if QT_VERSION > 290
if ( m_fullWidth && index == columns() )
{
header()->setStretchEnabled( true, columns()-1 );
}
#endif
}
const QColor& OListView::alternateBackground() const
{
return m_alternateBackground;
}
void OListView::setAlternateBackground( const QColor &c )
{
m_alternateBackground = c;
repaint();
}
const QPen& OListView::columnSeparator() const
{
return m_columnSeparator;
}
void OListView::setColumnSeparator( const QPen& p )
{
m_columnSeparator = p;
repaint();
}
+void OListView::expand(QListViewItem *item)
+{
+ ((OListViewItem*)item)->expand();
+}
+
OListViewItem* OListView::childFactory()
{
return new OListViewItem( this );
}
#ifndef QT_NO_DATASTREAM
void OListView::serializeTo( QDataStream& s ) const
{
#warning Caution... the binary format is still under construction...
qDebug( "storing OListView..." );
// store number of columns and the labels
s << columns();
for ( int i = 0; i < columns(); ++i )
s << columnText( i );
// calculate the number of top-level items to serialize
int items = 0;
QListViewItem* item = firstChild();
while ( item )
{
item = item->nextSibling();
items++;
}
// store number of items and the items itself
s << items;
item = firstChild();
for ( int i = 0; i < items; ++i )
{
s << *static_cast<OListViewItem*>( item );
item = item->nextSibling();
}
qDebug( "OListview stored." );
}
void OListView::serializeFrom( QDataStream& s )
{
#warning Caution... the binary format is still under construction...
qDebug( "loading OListView..." );
int cols;
s >> cols;
qDebug( "read number of columns = %d", cols );
while ( columns() < cols ) addColumn( QString::null );
for ( int i = 0; i < cols; ++i )
{
QString coltext;
s >> coltext;
qDebug( "read text '%s' for column %d", (const char*) coltext, i );
setColumnText( i, coltext );
}
int items;
s >> items;
qDebug( "read number of items = %d", items );
for ( int i = 0; i < items; ++i )
{
OListViewItem* item = childFactory();
s >> *item;
}
qDebug( "OListView loaded." );
}
QDataStream& operator<<( QDataStream& s, const OListView& lv )
{
lv.serializeTo( s );
}
QDataStream& operator>>( QDataStream& s, OListView& lv )
{
lv.serializeFrom( s );
}
#endif // QT_NO_DATASTREAM
/*======================================================================================
* OListViewItem
*======================================================================================*/
OListViewItem::OListViewItem(QListView *parent)
: QListViewItem(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)
: QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
{
init();
}
OListViewItem::OListViewItem(QListViewItem *parent,
QString label1, QString label2, QString label3, QString label4,
QString label5, QString label6, QString label7, QString label8)
: QListViewItem(parent, label1, label2, label3, label4, label5, label6, label7, label8)
{
init();
}
OListViewItem::OListViewItem(QListView *parent, QListViewItem *after,
QString label1, QString label2, QString label3, QString label4,
QString label5, QString label6, QString label7, QString label8)
: QListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8)
{
init();
}
OListViewItem::OListViewItem(QListViewItem *parent, QListViewItem *after,
QString label1, QString label2, QString label3, QString label4,
QString label5, QString label6, QString label7, QString label8)
: QListViewItem(parent, after, label1, label2, label3, label4, label5, label6, label7, label8)
{
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() );
// check if the item above is an OListViewItem
OListViewItem *above = static_cast<OListViewItem*>( itemAbove() );
/*if (! itemAbove()->inherits( "OListViewItem" )) return false;*/
// check if we have a valid alternate background color
if (!(lv && lv->alternateBackground().isValid())) return false;
m_known = above ? above->m_known : true;
if (m_known)
{
m_odd = above ? !above->m_odd : false;
}
else
{
OListViewItem *item;
bool previous = true;
if (parent())
{
item = static_cast<OListViewItem *>(parent());
if ( item /*&& item->inherits( "OListViewItem" )*/ ) previous = item->m_odd;
item = static_cast<OListViewItem *>(parent()->firstChild());
/* if ( !item.inherits( "OListViewItem" ) item = 0; */
}
else
{
item = static_cast<OListViewItem *>(lv->firstChild());
}
while(item)
{
item->m_odd = previous = !previous;
item->m_known = true;
item = static_cast<OListViewItem *>(item->nextSibling());
/* if (!item.inherits( "OListViewItem" ) ) break; */
}
}
return m_odd;
}
void OListViewItem::paintCell(QPainter *p, const QColorGroup &cg, int column, int width, int alignment)
{
QColorGroup _cg = cg;
const QPixmap *pm = listView()->viewport()->backgroundPixmap();
if (pm && !pm->isNull())
{
_cg.setBrush( QColorGroup::Base, QBrush(backgroundColor(), *pm) );
p->setBrushOrigin( -listView()->contentsX(), -listView()->contentsY() );
}
else if ( isAlternate() )
{
_cg.setColor( QColorGroup::Base, static_cast<OListView*>( listView() )->alternateBackground() );
}
QListViewItem::paintCell( p, _cg, column, width, alignment );
//FIXME: Use styling here!
const QPen& pen = static_cast<OListView*>( listView() )->columnSeparator();
p->setPen( pen );
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
{
#warning Caution... the binary format is still under construction...
qDebug( "storing OListViewItem..." );
// store item text
for ( int i = 0; i < listView()->columns(); ++i )
{
s << text( i );
}
// calculate the number of children to serialize
int items = 0;
QListViewItem* item = firstChild();
while ( item )
{
item = item->nextSibling();
items++;
}
// store number of items and the items itself
s << items;
item = firstChild();
for ( int i = 0; i < items; ++i )
{
s << *static_cast<OListViewItem*>( item );
item = item->nextSibling();
}
qDebug( "OListviewItem stored." );
}
void OListViewItem::serializeFrom( QDataStream& s )
{
#warning Caution... the binary format is still under construction...
qDebug( "loading OListViewItem..." );
for ( int i = 0; i < listView()->columns(); ++i )
{
QString coltext;
s >> coltext;
qDebug( "read text '%s' for column %d", (const char*) coltext, i );
setText( i, coltext );
}
int items;
s >> items;
qDebug( "read number of items = %d", items );
for ( int i = 0; i < items; ++i )
{
OListViewItem* item = childFactory();
s >> (*item);
}
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 );
}
}
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 )
{
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.
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 109e309..a00b43a 100644
--- a/libopie2/opieui/olistview.h
+++ b/libopie2/opieui/olistview.h
@@ -1,343 +1,354 @@
/*
                This file is part of the Opie Project
=. (C) 2003 Michael 'Mickey' Lauer <mickey@tm.informatik.uni-frankfurt.de>
.=l.
           .>+-=
 _;:,     .>    :=|. This program is free software; you can
.> <`_,   >  .   <= redistribute it and/or modify it under
:`=1 )Y*s>-.--   : the terms of the GNU Library General Public
.="- .-=="i,     .._ License as published by the Free Software
 - .   .-<_>     .<> Foundation; either version 2 of the License,
     ._= =}       : or (at your option) any later version.
    .%`+i>       _;_.
    .i_,=:_.      -<s. This program is distributed in the hope that
     +  .  -:.       = it will be useful, but WITHOUT ANY WARRANTY;
    : ..    .:,     . . . without even the implied warranty of
    =_        +     =;=|` MERCHANTABILITY or FITNESS FOR A
  _.=:.       :    :=>`: PARTICULAR PURPOSE. See the GNU
..}^=.=       =       ; Library General Public License for more
++=   -.     .`     .: details.
 :     =  ...= . :.=-
 -.   .:....=;==+<; You should have received a copy of the GNU
  -_. . .   )=.  = Library General Public License along with
    --        :-=` this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#ifndef OLISTVIEW_H
#define OLISTVIEW_H
#include <qcolor.h>
#include <qlistview.h>
#include <qpen.h>
#include <qdatastream.h>
#include <qstringlist.h>
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>
*/
class OListView: public QListView
{
public:
/**
* Constructor.
*
* 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);
/**
* 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
*/
void setAlternateBackground( const QColor& color );
/**
* Sets the column separator @a pen.
*/
void setColumnSeparator( const QPen& pen );
/**
* @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
* @returns the new object
*/
virtual OListViewItem* childFactory();
#ifndef QT_NO_DATASTREAM
/**
* Serialize this object to @ref QDataStream @a stream
*/
virtual void serializeTo( QDataStream& stream ) const;
/**
* Serialize this object from a @ref QDataStream @a stream
*/
virtual void serializeFrom( QDataStream& s );
#endif
+protected slots:
+ /**
+ * expand the current OListViewItem
+ */
+ void expand(QListViewItem*);
+
private:
QColor m_alternateBackground;
bool m_fullWidth;
QPen m_columnSeparator;
};
#ifndef QT_NO_DATASTREAM
/**
* @relates OListView
* Writes @a listview to the @a stream and returns a reference to the stream.
*/
QDataStream& operator<<( QDataStream& stream, const OListView& listview );
/**
* @relates OListView
* Reads @a listview from the @a stream and returns a reference to the stream.
*/
QDataStream& operator>>( QDataStream& stream, OListView& listview );
#endif // QT_NO_DATASTREAM
/*======================================================================================
* OListViewItem
*======================================================================================*/
class OListViewItem: public QListViewItem
{
public:
/**
* Constructors.
*/
OListViewItem( QListView * parent );
OListViewItem( QListViewItem * parent );
OListViewItem( QListView * parent, QListViewItem * after );
OListViewItem( QListViewItem * parent, QListViewItem * after );
OListViewItem( QListView * parent,
QString, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null );
OListViewItem( QListViewItem * parent,
QString, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null );
OListViewItem( QListView * parent, QListViewItem * after,
QString, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null,
QString = QString::null, QString = QString::null );
OListViewItem( QListViewItem * parent, QListViewItem * after,
QString, QString = QString::null,
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
* @returns the new object
*/
virtual OListViewItem* childFactory();
#ifndef QT_NO_DATASTREAM
/**
* serialize this object to or from a @ref QDataStream
* @param s the stream used to serialize this object.
*/
virtual void serializeTo( QDataStream& s ) const;
/**
* serialize this object to or from a @ref QDataStream
* @param s the stream used to serialize this object.
*/
virtual void serializeFrom( QDataStream& s );
#endif
+ /**
+ * expand the the item
+ */
+ virtual void expand(){};
+
private:
bool m_known;
bool m_odd;
};
#ifndef QT_NO_DATASTREAM
/**
* @relates QListViewItem
* Writes listview @a item and all subitems recursively to @a stream
* and returns a reference to the stream.
*/
QDataStream& operator<<( QDataStream& stream, const OListViewItem& item );
/**
* @relates QListViewItem
* Reads listview @a item from @a stream and returns a reference to the stream.
*/
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 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 );
/**
* @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 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 );
/**
* @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