viewmode.cpp 6.26 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
/***************************************************************************
                          viewmode.cpp
                             -------------------
    begin                : Sat Jun 7 2003
    copyright            : (C) 2003 by Scott Wheeler, 
    email                : wheeler@kde.org
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/

#include <kiconloader.h>
19
#include <kdebug.h>
20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

#include <qpixmap.h>
#include <qpainter.h>

#include "viewmode.h"
#include "playlistbox.h"

////////////////////////////////////////////////////////////////////////////////
// ViewMode
////////////////////////////////////////////////////////////////////////////////

ViewMode::ViewMode(PlaylistBox *b) :
    m_playlistBox(b),
    m_visible(false)
{

}

ViewMode::~ViewMode()
{

}

43
void ViewMode::paintCell(PlaylistBox::Item *i,
44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131
                         QPainter *painter, 
                         const QColorGroup &colorGroup,
                         int column, int width, int align)
{
    Q_UNUSED(align);

    if(width < i->pixmap(column)->width())
	return;

    PlaylistBox::Item *item = static_cast<PlaylistBox::Item *>(i);

    QFontMetrics fm = painter->fontMetrics();
    QString line = item->text();

    QStringList lines;
    while(!line.isEmpty()) {
        int textLength = line.length();
        while(textLength > 0 && 
              fm.width(line.mid(0, textLength).stripWhiteSpace()) + item->listView()->itemMargin() * 2 > width)
        {
            int i = line.findRev(QRegExp( "\\W"), textLength - 1);
            if(i > 0)
                textLength = i;
            else
                textLength--;
        }
        
        lines.append(line.mid(0, textLength).stripWhiteSpace());
        line = line.mid(textLength);
    }

    int y = item->listView()->itemMargin();
    const QPixmap *pm = item->pixmap(column);

    int height = 3 * item->listView()->itemMargin() + pm->height() + 
        (fm.height() - fm.descent()) * lines.count();
	
    if(item->isSelected()) {
        painter->fillRect(0, 0, width, height, colorGroup.brush(QColorGroup::Highlight));
        painter->setPen(colorGroup.highlightedText());
    }
    else
        painter->eraseRect(0, 0, width, height);

    if (!pm->isNull()) {
        int x = (width - pm->width()) / 2;
        x = QMAX(x, item->listView()->itemMargin());
        painter->drawPixmap(x, y, *pm);
    }
    y += pm->height() + fm.height() - fm.descent();
    for(QStringList::Iterator it = lines.begin(); it != lines.end(); ++it) {
        int x = (width - fm.width(*it)) / 2;
        x = QMAX(x, item->listView()->itemMargin());
        painter->drawText(x, y, *it);
        y += fm.height() - fm.descent();
    }
    item->setHeight(height);
}

void ViewMode::setShown(bool shown)
{
    m_visible = shown;
    if(shown)
        updateIcons(32);
}

void ViewMode::updateIcons(int size)
{
    for(QListViewItemIterator it(m_playlistBox); it.current(); ++it) {
        PlaylistBox::Item *i = static_cast<PlaylistBox::Item *>(*it);
        i->setPixmap(0, SmallIcon(i->iconName(), size));
    }
}

///////////////////////////////////////////////////////////////////////////////
// CompactViewMode
////////////////////////////////////////////////////////////////////////////////

CompactViewMode::CompactViewMode(PlaylistBox *b) : ViewMode(b)
{

}

CompactViewMode::~CompactViewMode()
{

}

132
void CompactViewMode::paintCell(PlaylistBox::Item *item,
133 134 135 136
                                QPainter *painter, 
                                const QColorGroup &colorGroup,
                                int column, int width, int align)
{
137
#if 0 // don't think this code is needed anymore
138

139 140
    if(width < item->pixmap(column)->width())
	return;
141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156

    QFontMetrics fm = painter->fontMetrics();
    QString line = item->text();

    int baseWidth = item->pixmap(column)->width() + item->listView()->itemMargin() * 4;
    if(baseWidth + fm.width(line) > width) {
        int ellipsisLength = fm.width("...");
        if(width > baseWidth + ellipsisLength) {
            while(baseWidth + fm.width(line) + ellipsisLength > width)
                line.truncate(line.length() - 1);
            line = line.append("...");
        }
        else
            line = "...";
    }
    item->KListViewItem::setText(column, line);
157 158

#endif
159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183
    item->KListViewItem::paintCell(painter, colorGroup, column, width, align);
}

void CompactViewMode::setShown(bool shown)
{
    if(shown)
        updateIcons(16);
}

////////////////////////////////////////////////////////////////////////////////
// TreeViewMode
////////////////////////////////////////////////////////////////////////////////

TreeViewMode::TreeViewMode(PlaylistBox *b) : CompactViewMode(b)
{

}

TreeViewMode::~TreeViewMode()
{

}

void TreeViewMode::setShown(bool show)
{
184 185
    if(show) {
	updateIcons(16);
186 187 188 189 190

	PlaylistBox::Item *collectionItem = PlaylistBox::Item::collectionItem();

	if(!collectionItem)
	    kdDebug(65432) << "TreeViewMode::setShown() - the CollectionList isn't initialized yet." << endl;
191
	
192 193 194 195 196 197 198 199 200
	if(collectionItem && m_categories.isEmpty()) {

	    PlaylistBox::Item *i;
	    
	    i = new PlaylistBox::Item(collectionItem, "cdimage", i18n("Artists"));
	    m_categories.insert("artists", i);

	    i = new PlaylistBox::Item(collectionItem, "cdimage", i18n("Albums"));
	    m_categories.insert("albums", i);
201

202 203 204

	    for(QDictIterator<PlaylistBox::Item> it(m_categories); it.current(); ++it)
		it.current()->setSortedFirst(true);
205 206
	}
	else {
207 208
	    for(QDictIterator<PlaylistBox::Item> it(m_categories); it.current(); ++it)
		it.current()->setVisible(true);
209 210 211
	}
    }
    else {
212 213
	for(QDictIterator<PlaylistBox::Item> it(m_categories); it.current(); ++it)
	    it.current()->setVisible(false);
214
    }
215 216

    playlistBox()->setRootIsDecorated(show);
217
}