treenodeitem.cpp

/*
    This file is part of Akregator.
 
    Copyright (C) 2004 Frank Osterfeld <frank.osterfeld at kdemail.net>
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    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 General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 
    As a special exception, permission is given to link this program
    with any edition of TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/
 
#include "akregatorconfig.h"
 
#include "treenode.h"
#include "treenodeitem.h"
#include "folderitem.h"
#include <tqfont.h>
#include <tqheader.h>
#include <tqpainter.h>
#include <tqstring.h>
 
#include <kstringhandler.h>
 
#include <kdebug.h>
 
namespace Akregator {
 
TreeNodeItem::TreeNodeItem(FolderItem* parent, TreeNode* node)
    : TDEListViewItem(parent), m_node(node)
{
    initialize(node);
}
 
TreeNodeItem::TreeNodeItem(TDEListView* parent, TreeNode* node) 
    : TDEListViewItem(parent), m_node(node)
{
    initialize(node);
}
 
TreeNodeItem::TreeNodeItem(TDEListView* parent, TreeNodeItem* after, TreeNode* node) : TDEListViewItem(parent, after), m_node(node)
{
    initialize(node);
}
 
TreeNodeItem::TreeNodeItem(FolderItem* parent, TreeNodeItem* after, TreeNode* node)
    : TDEListViewItem(parent, after), m_node(node)
{
    initialize(node);
}
 
void TreeNodeItem::initialize(TreeNode* node)
{
    setRenameEnabled(0, true);
    if (node)
        setText(0, node->title() );
}
 
TreeNodeItem::~TreeNodeItem()
{}
 
TQString TreeNodeItem::toolTip() const
{
    return TQString();
}
 
TreeNode* TreeNodeItem::node()
{ 
    return m_node; 
}
 
void TreeNodeItem::nodeChanged()
{
//    kdDebug() << "enter TreeNodeItem::nodeChanged item" << text(0) << endl; 
    if (!node())
        return;
    if (text(0) != node()->title())
        setText(0, node()->title());
//    kdDebug() << "leave TreeNodeItem::nodeChanged item" << text(0) << endl; 
}
 
TreeNodeItem* TreeNodeItem::firstChild() const 
{ 
    return static_cast<TreeNodeItem*>(TDEListViewItem::firstChild()); 
} 
 
TreeNodeItem* TreeNodeItem::nextSibling() const 
{ 
    return static_cast<TreeNodeItem*>(TDEListViewItem::nextSibling()); 
} 
 
FolderItem* TreeNodeItem::parent() const 
{ 
    return static_cast<FolderItem*>(TDEListViewItem::parent()); 
} 
    
 
// TODO: reverse for reverse layout
void TreeNodeItem::paintCell( TQPainter * p, const TQColorGroup & cg,
                               int column, int width, int align )
 
{
    int u = node() ? node()->unread() : 0;
 
    if (u <= 0)
    {
        TDEListViewItem::paintCell(p,cg,column,width,align);
        return;
    }
 
    // from kfoldertree
    TQString oldText = text(column);
    setText( column, " " );
 
    // draw bg
    TDEListViewItem::paintCell(p,cg,column,width,align);
 
    setText( column, oldText);
 
    // draw fg
    TQFont f = p->font();
    f.setWeight(TQFont::Bold);
    p->setFont(f);
 
    TQFontMetrics fm( p->fontMetrics() );
    TQListView *lv = listView();
    int x = lv ? lv->itemMargin() : 1;
    int m=x;
    const TQPixmap *icon = pixmap( column );
    TQRect br;
 
    if (icon)
        x += icon->width() + m;
 
    TQString txt = " (" + TQString::number(u) + ")";
    int txtW=fm.width( txt );
 
    if (fm.width( oldText ) + txtW + x > width)
        oldText=KStringHandler::rPixelSqueeze(oldText,fm, width - txtW - x);
 
    p->drawText( x, 0, width-m-x, height(), align | AlignVCenter, oldText, -1, &br );
 
    if ( !isSelected() )
        p->setPen( Settings::unreadTextColor() );
 
    p->drawText( br.right(), 0, width-m-br.right(), height(),
                 align | AlignVCenter, txt );
 
    /*if ( isSelected() )
    p->setPen( cg.highlightedText() );
    else
    p->setPen( cg.text() );*/
}
 
} // namespace Akregator