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426 lines
12 KiB
426 lines
12 KiB
/***************************************************************************
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begin : Sat Jun 7 2003
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copyright : (C) 2003 - 2004 by Scott Wheeler,
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email : wheeler@kde.org
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include <kiconloader.h>
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#include <kstandarddirs.h>
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#include <kdebug.h>
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#include <tqpixmap.h>
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#include <tqpainter.h>
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#include <tqfile.h>
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#include <tqdir.h>
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#include <tqdatastream.h>
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#include "viewmode.h"
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#include "playlistbox.h"
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#include "searchplaylist.h"
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#include "treeviewitemplaylist.h"
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#include "collectionlist.h"
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////////////////////////////////////////////////////////////////////////////////
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// ViewMode
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////////////////////////////////////////////////////////////////////////////////
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ViewMode::ViewMode(PlaylistBox *b) :
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TQObject(b),
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m_playlistBox(b),
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m_visible(false),
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m_needsRefresh(false)
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{
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m_playlistBox->viewport()->installEventFilter(this);
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}
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ViewMode::~ViewMode()
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{
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}
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void ViewMode::paintCell(PlaylistBox::Item *item,
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TQPainter *painter,
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const TQColorGroup &colorGroup,
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int column, int width, int)
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{
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if(width < item->pixmap(column)->width())
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return;
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if(m_needsRefresh)
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updateHeights();
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TQFontMetrics fm = painter->fontMetrics();
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int y = item->listView()->itemMargin() + border;
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const TQPixmap *pm = item->pixmap(column);
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if(item->isSelected()) {
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painter->eraseRect(0, 0, width, item->height());
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TQPen oldPen = painter->pen();
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TQPen newPen = oldPen;
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newPen.setWidth(5);
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newPen.setJoinStyle(Qt::RoundJoin);
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newPen.setColor(TQColorGroup::Highlight);
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painter->setPen(newPen);
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painter->drawRect(border, border, width - border * 2, item->height() - border * 2 + 1);
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painter->setPen(oldPen);
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painter->fillRect(border, border, width - border * 2, item->height() - border * 2 + 1,
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colorGroup.brush(TQColorGroup::Highlight));
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painter->setPen(colorGroup.highlightedText());
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}
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else
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painter->eraseRect(0, 0, width, item->height());
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if (!pm->isNull()) {
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int x = (width - pm->width()) / 2;
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x = TQMAX(x, item->listView()->itemMargin());
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painter->drawPixmap(x, y, *pm);
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}
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y += pm->height() + fm.height() - fm.descent();
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for(TQStringList::Iterator it = m_lines[item].begin(); it != m_lines[item].end(); ++it) {
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int x = (width - fm.width(*it)) / 2;
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x = TQMAX(x, item->listView()->itemMargin());
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painter->drawText(x, y, *it);
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y += fm.height() - fm.descent();
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}
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if(item == item->listView()->dropItem())
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paintDropIndicator(painter, width, item->height());
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}
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bool ViewMode::eventFilter(TQObject *watched, TQEvent *e)
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{
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if(m_visible && TQT_BASE_OBJECT(watched) == TQT_BASE_OBJECT(m_playlistBox->viewport()) && e->type() == TQEvent::Resize) {
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TQResizeEvent *re = TQT_TQRESIZEEVENT(e);
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if(re->size().width() != re->oldSize().width())
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m_needsRefresh = true;
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}
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if(e->type() == TQEvent::Hide)
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m_needsRefresh = true;
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return TQObject::eventFilter(watched, e);
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}
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void ViewMode::setShown(bool shown)
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{
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m_visible = shown;
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if(shown) {
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updateIcons(32);
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m_needsRefresh = true;
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}
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}
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void ViewMode::updateIcons(int size)
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{
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for(TQListViewItemIterator it(m_playlistBox); it.current(); ++it) {
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PlaylistBox::Item *i = static_cast<PlaylistBox::Item *>(*it);
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i->setPixmap(0, SmallIcon(i->iconName(), size));
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}
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}
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void ViewMode::setupItem(PlaylistBox::Item *item) const
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{
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const PlaylistBox *box = item->listView();
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const int width = box->width() - box->verticalScrollBar()->width() - border * 2;
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const int baseHeight = 2 * box->itemMargin() + 32 + border * 2;
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const TQFontMetrics fm = box->fontMetrics();
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item->setHeight(baseHeight + (fm.height() - fm.descent()) * lines(item, fm, width).count());
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}
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void ViewMode::updateHeights()
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{
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const int width = m_playlistBox->width() - m_playlistBox->verticalScrollBar()->width() - border * 2;
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const int baseHeight = 2 * m_playlistBox->itemMargin() + 32 + border * 2;
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const TQFontMetrics fm = m_playlistBox->fontMetrics();
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for(TQListViewItemIterator it(m_playlistBox); it.current(); ++it) {
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PlaylistBox::Item *i = static_cast<PlaylistBox::Item *>(it.current());
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m_lines[i] = lines(i, fm, width);
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const int height = baseHeight + (fm.height() - fm.descent()) * m_lines[i].count();
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i->setHeight(height);
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}
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m_needsRefresh = false;
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}
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void ViewMode::paintDropIndicator(TQPainter *painter, int width, int height) // static
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{
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static const int border = 1;
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static const int lineWidth = 2;
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TQPen oldPen = painter->pen();
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TQPen newPen = oldPen;
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newPen.setWidth(lineWidth);
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newPen.setStyle(Qt::DotLine);
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painter->setPen(newPen);
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painter->drawRect(border, border, width - border * 2, height - border * 2);
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painter->setPen(oldPen);
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}
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TQStringList ViewMode::lines(const PlaylistBox::Item *item,
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const TQFontMetrics &fm,
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int width)
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{
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// Here 32 is a bit arbitrary, but that's the width of the icons in this
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// mode and seems to a reasonable lower bound.
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if(width < 32)
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return TQStringList();
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TQString line = item->text();
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TQStringList l;
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while(!line.isEmpty()) {
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int textLength = line.length();
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while(textLength > 0 &&
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fm.width(line.mid(0, textLength).stripWhiteSpace()) +
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item->listView()->itemMargin() * 2 > width)
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{
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int i = line.findRev(TQRegExp( "\\W"), textLength - 1);
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if(i > 0)
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textLength = i;
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else
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textLength--;
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}
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l.append(line.mid(0, textLength).stripWhiteSpace());
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line = line.mid(textLength);
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}
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return l;
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}
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///////////////////////////////////////////////////////////////////////////////
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// CompactViewMode
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////////////////////////////////////////////////////////////////////////////////
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CompactViewMode::CompactViewMode(PlaylistBox *b) : ViewMode(b)
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{
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}
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CompactViewMode::~CompactViewMode()
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{
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}
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void CompactViewMode::paintCell(PlaylistBox::Item *item,
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TQPainter *painter,
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const TQColorGroup &colorGroup,
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int column, int width, int align)
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{
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item->KListViewItem::paintCell(painter, colorGroup, column, width, align);
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if(item == item->listView()->dropItem())
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paintDropIndicator(painter, width, item->height());
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}
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void CompactViewMode::setShown(bool shown)
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{
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setVisible(shown);
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if(shown) {
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updateIcons(16);
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updateHeights();
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}
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}
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void CompactViewMode::updateHeights()
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{
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for(TQListViewItemIterator it(playlistBox()); it.current(); ++it)
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it.current()->setup();
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}
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////////////////////////////////////////////////////////////////////////////////
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// TreeViewMode
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////////////////////////////////////////////////////////////////////////////////
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TreeViewMode::TreeViewMode(PlaylistBox *b) : CompactViewMode(b),
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m_treeViewItems(5003, false), m_dynamicListsFrozen(false), m_setup(false)
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{
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}
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TreeViewMode::~TreeViewMode()
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{
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}
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void TreeViewMode::setShown(bool show)
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{
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CompactViewMode::setShown(show);
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playlistBox()->setRootIsDecorated(show);
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if(show) {
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PlaylistBox::Item *collectionItem = PlaylistBox::Item::collectionItem();
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if(!collectionItem)
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return;
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if(collectionItem && m_searchCategories.isEmpty())
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setupDynamicPlaylists();
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else {
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for(TQDictIterator<PlaylistBox::Item> it(m_searchCategories); it.current(); ++it)
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it.current()->setVisible(true);
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}
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if(!m_setup) {
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m_setup = true;
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playlistBox()->setSorting(-1);
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CollectionList::instance()->setupTreeViewEntries(this);
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playlistBox()->setSorting(0);
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playlistBox()->sort();
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}
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}
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else {
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for(TQDictIterator<PlaylistBox::Item> it(m_searchCategories); it.current(); ++it)
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it.current()->setVisible(false);
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}
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}
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void TreeViewMode::removeItem(const TQString &item, unsigned column)
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{
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if(!m_setup)
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return;
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TQString itemKey;
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if(column == PlaylistItem::ArtistColumn)
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itemKey = "artists" + item;
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else if(column == PlaylistItem::GenreColumn)
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itemKey = "genres" + item;
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else if(column == PlaylistItem::AlbumColumn)
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itemKey = "albums" + item;
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else {
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kdWarning() << k_funcinfo << "Unhandled column type " << column << endl;
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return;
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}
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if(!m_treeViewItems.find(itemKey))
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return;
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TreeViewItemPlaylist *itemPlaylist = m_treeViewItems[itemKey];
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if(m_dynamicListsFrozen) {
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m_pendingItemsToRemove << itemKey;
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return;
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}
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m_treeViewItems.remove(itemKey);
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itemPlaylist->deleteLater();
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emit signalPlaylistDestroyed(itemPlaylist);
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}
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void TreeViewMode::addItems(const TQStringList &items, unsigned column)
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{
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if(!m_setup)
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return;
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TQString searchCategory;
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if(column == PlaylistItem::ArtistColumn)
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searchCategory = "artists";
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else if(column == PlaylistItem::GenreColumn)
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searchCategory = "genres";
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else if(column == PlaylistItem::AlbumColumn)
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searchCategory = "albums";
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else {
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kdWarning() << k_funcinfo << "Unhandled column type " << column << endl;
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return;
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}
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TQValueList<int> columns;
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columns.append(column);
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PlaylistSearch::Component::MatchMode mode = PlaylistSearch::Component::ContainsWord;
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if(column != PlaylistItem::ArtistColumn)
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mode = PlaylistSearch::Component::Exact;
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PlaylistSearch::ComponentList components;
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PlaylistList playlists;
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playlists.append(CollectionList::instance());
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TQString itemKey, item;
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PlaylistBox::Item *itemParent = m_searchCategories[searchCategory];
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for(TQStringList::ConstIterator it = items.begin(); it != items.end(); ++it) {
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item = *it;
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itemKey = searchCategory + item;
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if(m_treeViewItems.find(itemKey))
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continue;
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components.clear();
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components.append(PlaylistSearch::Component(item, false, columns, mode));
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PlaylistSearch s(playlists, components, PlaylistSearch::MatchAny, false);
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TreeViewItemPlaylist *p = new TreeViewItemPlaylist(playlistBox(), s, item);
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playlistBox()->setupPlaylist(p, "midi", itemParent);
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m_treeViewItems.insert(itemKey, p);
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}
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}
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void TreeViewMode::setDynamicListsFrozen(bool frozen)
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{
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m_dynamicListsFrozen = frozen;
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if(frozen)
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return;
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TQStringList categories;
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categories << "artists" << "albums" << "genres";
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for(TQStringList::ConstIterator it = m_pendingItemsToRemove.begin();
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it != m_pendingItemsToRemove.end();
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++it)
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{
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m_treeViewItems[*it]->deleteLater();
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m_treeViewItems.remove(*it);
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}
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m_pendingItemsToRemove.clear();
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}
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void TreeViewMode::setupDynamicPlaylists()
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{
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PlaylistBox::Item *i;
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PlaylistBox::Item *collectionItem = PlaylistBox::Item::collectionItem();
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i = new PlaylistBox::Item(collectionItem, "cdimage", i18n("Artists"));
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m_searchCategories.insert("artists", i);
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i = new PlaylistBox::Item(collectionItem, "cdimage", i18n("Albums"));
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m_searchCategories.insert("albums", i);
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i = new PlaylistBox::Item(collectionItem, "cdimage", i18n("Genres"));
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m_searchCategories.insert("genres", i);
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}
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////////////////////////////////////////////////////////////////////////////////
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// CoverManagerMode
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////////////////////////////////////////////////////////////////////////////////
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CoverManagerMode::CoverManagerMode(PlaylistBox *b) : ViewMode(b)
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{
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}
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#include "viewmode.moc"
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