git.sesse.net Git - kdenlive/blob - src/effectslistview.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2007 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "effectslistview.h"
  22 #include "effectslistwidget.h"
  23 #include "effectslist.h"
  24 #include "kdenlivesettings.h"
  25
  26 #include <KDebug>
  27 #include <KLocale>
  28 #include <KStandardDirs>
  29
  30 #include <QMenu>
  31 #include <QDir>
  32
  33
  34 EffectsListView::EffectsListView(QWidget *parent) :
  35         QWidget(parent)
  36 {
  37     setupUi(this);
  38     QString styleSheet = "QTreeView::branch:has-siblings:!adjoins-item{border-image:none;border:0px} \
  39     QTreeView::branch:has-siblings:adjoins-item {border-image: none;border:0px}      \
  40     QTreeView::branch:!has-children:!has-siblings:adjoins-item {border-image: none;border:0px} \
  41     QTreeView::branch:has-children:!has-siblings:closed,QTreeView::branch:closed:has-children:has-siblings {   \
  42          border-image: none;image: url(:/images/stylesheet-branch-closed.png);}      \
  43     QTreeView::branch:open:has-children:!has-siblings,QTreeView::branch:open:has-children:has-siblings  {    \
  44          border-image: none;image: url(:/images/stylesheet-branch-open.png);}";
  45
  46     QMenu *contextMenu = new QMenu(this);
  47     m_effectsList = new EffectsListWidget(contextMenu);
  48     m_effectsList->setStyleSheet(styleSheet);
  49     QVBoxLayout *lyr = new QVBoxLayout(effectlistframe);
  50     lyr->addWidget(m_effectsList);
  51     lyr->setContentsMargins(0, 0, 0, 0);
  52     search_effect->setTreeWidget(m_effectsList);
  53     search_effect->setToolTip(i18n("Search in the effect list"));
  54
  55     int size = style()->pixelMetric(QStyle::PM_SmallIconSize);
  56     QSize iconSize(size, size);
  57     buttonInfo->setIcon(KIcon("help-about"));
  58     buttonInfo->setToolTip(i18n("Show/Hide the effect description"));
  59     buttonInfo->setIconSize(iconSize);
  60     setFocusPolicy(Qt::StrongFocus);
  61     setFocusProxy(search_effect);
  62     m_effectsList->setFocusProxy(search_effect);
  63
  64     if (KdenliveSettings::showeffectinfo())
  65         buttonInfo->setDown(true);
  66     else
  67         infopanel->hide();
  68
  69     contextMenu->addAction(KIcon("edit-delete"), i18n("Delete effect"), this, SLOT(slotRemoveEffect()));
  70
  71     connect(type_combo, SIGNAL(currentIndexChanged(int)), this, SLOT(filterList(int)));
  72     connect(buttonInfo, SIGNAL(clicked()), this, SLOT(showInfoPanel()));
  73     connect(m_effectsList, SIGNAL(itemSelectionChanged()), this, SLOT(slotUpdateInfo()));
  74     connect(m_effectsList, SIGNAL(itemDoubleClicked(QTreeWidgetItem*,int)), this, SLOT(slotEffectSelected()));
  75     connect(search_effect, SIGNAL(hiddenChanged(QTreeWidgetItem*,bool)), this, SLOT(slotUpdateSearch(QTreeWidgetItem*,bool)));
  76     connect(m_effectsList, SIGNAL(applyEffect(QDomElement)), this, SIGNAL(addEffect(QDomElement)));
  77     connect(search_effect, SIGNAL(textChanged(QString)), this, SLOT(slotAutoExpand(QString)));
  78     //m_effectsList->setCurrentRow(0);
  79 }
  80
  81 void EffectsListView::filterList(int pos)
  82 {
  83     for (int i = 0; i < m_effectsList->topLevelItemCount(); ++i) {
  84         QTreeWidgetItem *folder = m_effectsList->topLevelItem(i);
  85         bool hideFolder = true;
  86         for (int j = 0; j < folder->childCount(); j++) {
  87             QTreeWidgetItem *item = folder->child(j);
  88             if (pos == 0 || pos == item->data(0, Qt::UserRole).toInt()) {
  89                 item->setHidden(false);
  90                 hideFolder = false;
  91             } else {
  92                 item->setHidden(true);
  93             }
  94         }
  95         // do not hide the folder if it's empty but "All" is selected
  96         if (pos == 0)
  97             hideFolder = false;
  98         folder->setHidden(hideFolder);
  99     }
 100     // make sure we don't show anything not matching the search expression
 101     search_effect->updateSearch();
 102
 103
 104     /*item = m_effectsList->currentItem();
 105     if (item) {
 106         if (item->isHidden()) {
 107             int i;
 108             for (i = 0; i < m_effectsList->count() && m_effectsList->item(i)->isHidden(); ++i); //do nothing
 109             m_effectsList->setCurrentRow(i);
 110         } else m_effectsList->scrollToItem(item);
 111     }*/
 112 }
 113
 114 void EffectsListView::showInfoPanel()
 115 {
 116     bool show = !infopanel->isVisible();
 117     infopanel->setVisible(show);
 118     buttonInfo->setDown(show);
 119     KdenliveSettings::setShoweffectinfo(show);
 120 }
 121
 122 void EffectsListView::slotEffectSelected()
 123 {
 124     QDomElement effect = m_effectsList->currentEffect();
 125     QTreeWidgetItem* item=m_effectsList->currentItem();
 126     if (item &&  m_effectsList->indexOfTopLevelItem(item)!=-1){
 127         item->setExpanded(!item->isExpanded());
 128     }
 129     if (!effect.isNull())
 130         emit addEffect(effect);
 131 }
 132
 133 void EffectsListView::slotUpdateInfo()
 134 {
 135     infopanel->setText(m_effectsList->currentInfo());
 136 }
 137
 138 void EffectsListView::reloadEffectList(QMenu *effectsMenu, KActionCategory *effectActions)
 139 {
 140     m_effectsList->initList(effectsMenu, effectActions);
 141 }
 142
 143 void EffectsListView::slotRemoveEffect()
 144 {
 145     QTreeWidgetItem *item = m_effectsList->currentItem();
 146     QString effectId = item->text(0);
 147     QString path = KStandardDirs::locateLocal("appdata", "effects/", true);
 148
 149     QDir directory = QDir(path);
 150     QStringList filter;
 151     filter << "*.xml";
 152     const QStringList fileList = directory.entryList(filter, QDir::Files);
 153     QString itemName;
 154     foreach(const QString &filename, fileList) {
 155         itemName = KUrl(path + filename).path();
 156         QDomDocument doc;
 157         QFile file(itemName);
 158         doc.setContent(&file, false);
 159         file.close();
 160         QDomNodeList effects = doc.elementsByTagName("effect");
 161         if (effects.count() != 1) {
 162             kDebug() << "More than one effect in file " << itemName << ", NOT SUPPORTED YET";
 163         } else {
 164             QDomElement e = effects.item(0).toElement();
 165             if (e.attribute("id") == effectId) {
 166                 QFile::remove(itemName);
 167                 break;
 168             }
 169         }
 170     }
 171     emit reloadEffects();
 172 }
 173
 174 void EffectsListView::slotUpdateSearch(QTreeWidgetItem *item, bool hidden)
 175 {
 176     if (!hidden) {
 177         if (item->data(0, Qt::UserRole).toInt() == type_combo->currentIndex()) {
 178             if (item->parent())
 179                 item->parent()->setHidden(false);
 180         } else {
 181             if (type_combo->currentIndex() != 0)
 182                 item->setHidden(true);
 183         }
 184     }
 185 }
 186
 187 void EffectsListView::slotAutoExpand(const QString &text)
 188 {
 189     search_effect->updateSearch();
 190     bool selected = false;
 191     for (int i = 0; i < m_effectsList->topLevelItemCount(); ++i) {
 192         QTreeWidgetItem *folder = m_effectsList->topLevelItem(i);
 193         bool expandFolder = false;
 194         /*if (folder->isHidden())
 195             continue;*/
 196         if (!text.isEmpty()) {
 197             for (int j = 0; j < folder->childCount(); j++) {
 198                 QTreeWidgetItem *item = folder->child(j);
 199                 if (!item->isHidden()) {
 200                     expandFolder = true;
 201                     if (!selected) {
 202                         m_effectsList->setCurrentItem(item);
 203                         selected = true;
 204                     }
 205                 }
 206             }
 207         }
 208         folder->setExpanded(expandFolder);
 209     }
 210     if (!selected) m_effectsList->setCurrentItem(NULL);
 211 }
 212
 213 void EffectsListView::updatePalette()
 214 {
 215     m_effectsList->setStyleSheet(m_effectsList->styleSheet());
 216 }
 217
 218 #include "effectslistview.moc"