viewmode.cpp 8.23 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

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

#include "viewmode.h"
#include "playlistbox.h"
26 27
#include "searchplaylist.h"
#include "collectionlist.h"
28 29 30 31 32

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

33
ViewMode::ViewMode(PlaylistBox *b) : QObject(b),
34 35 36
    m_playlistBox(b),
    m_visible(false)
{
37 38
    connect(this, SIGNAL(signalCreateSearchList(const PlaylistSearch &, const QString &, const QString &)),
            b, SIGNAL(signalCreateSearchList(const PlaylistSearch &, const QString &, const QString &)));
39 40 41 42 43 44 45
}

ViewMode::~ViewMode()
{

}

46
void ViewMode::paintCell(PlaylistBox::Item *i,
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
                         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);
}

106 107 108 109 110 111
PlaylistBox::Item *ViewMode::createSearchItem(PlaylistBox *box, SearchPlaylist *playlist,
                                              const QString &)
{
    return new PlaylistBox::Item(box, "midi", playlist->name(), playlist);
}

112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
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()
{

}

141
void CompactViewMode::paintCell(PlaylistBox::Item *item,
142 143 144 145
                                QPainter *painter, 
                                const QColorGroup &colorGroup,
                                int column, int width, int align)
{
146
#if 0 // don't think this code is needed anymore
147

148 149
    if(width < item->pixmap(column)->width())
	return;
150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165

    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);
166 167

#endif
168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192
    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)
{
193 194
    playlistBox()->setRootIsDecorated(show);

195
    if(show) {
196
        updateIcons(16);
197

198
        PlaylistBox::Item *collectionItem = PlaylistBox::Item::collectionItem();
199

200 201
        if(!collectionItem)
            kdDebug(65432) << "TreeViewMode::setShown() - the CollectionList isn't initialized yet." << endl;
202
	
203
        if(collectionItem && m_searchCategories.isEmpty()) {
204 205

            PlaylistBox::Item *i;
206

207
            i = new PlaylistBox::Item(collectionItem, "cdimage", i18n("Artists"));
208 209
            m_searchCategories.insert("artists", i);
            setupCategory("artists", CollectionList::instance()->viewModeItems()["artists"].values(), 1);
210

211
            i = new PlaylistBox::Item(collectionItem, "cdimage", i18n("Albums"));
212 213
            m_searchCategories.insert("albums", i);
            setupCategory("albums", CollectionList::instance()->viewModeItems()["albums"].values(), 2);
214

215
            for(QDictIterator<PlaylistBox::Item> it(m_searchCategories); it.current(); ++it)
216 217 218
                it.current()->setSortedFirst(true);
        }
        else {
219
            for(QDictIterator<PlaylistBox::Item> it(m_searchCategories); it.current(); ++it)
220
                it.current()->setVisible(true);
221 222 223
	}
    }
    else {
224
        for(QDictIterator<PlaylistBox::Item> it(m_searchCategories); it.current(); ++it)
225
            it.current()->setVisible(false);
226
    }
227
}
228

229 230 231 232 233 234 235
PlaylistBox::Item *TreeViewMode::createSearchItem(PlaylistBox *, SearchPlaylist *playlist,
						  const QString &searchCategory)
{
    return new PlaylistBox::Item(m_searchCategories[searchCategory], "midi", playlist->name(), playlist);
}

void TreeViewMode::setupCategory(const QString &searchCategory, const QStringList &members, int column)
236 237
{
    CollectionList *collection = CollectionList::instance();
238 239
    QValueList<int> columns;
    columns.append(column);
240

241 242
    KApplication::setOverrideCursor(Qt::waitCursor);

243 244 245
    for(QStringList::ConstIterator it = members.begin(); it != members.end(); ++it) {
        
        PlaylistSearch::ComponentList components;
246
        components.append(PlaylistSearch::Component(*it, false, columns));
247 248 249 250 251 252

        PlaylistList playlists;
        playlists.append(collection);

        PlaylistSearch s(playlists, components, PlaylistSearch::MatchAny, false);

253
        emit signalCreateSearchList(s, searchCategory, *it);
254

255 256 257
        static int i = 0;
        if(++i % 5 == 0)
            kapp->processEvents();
258
    }
259 260

    KApplication::restoreOverrideCursor();
261
}
262 263

#include "viewmode.moc"