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 EffectsListView::EffectsListView(QWidget *parent) :
  34         QWidget(parent)
  35 {
  36     setupUi(this);
  37
  38     QString style = "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(style);
  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     buttonInfo->setIcon(KIcon("help-about"));
  55     buttonInfo->setToolTip(i18n("Show/Hide the effect description"));
  56     setFocusPolicy(Qt::StrongFocus);
  57     setFocusProxy(search_effect);
  58     m_effectsList->setFocusProxy(search_effect);
  59
  60     if (KdenliveSettings::showeffectinfo())
  61         buttonInfo->setDown(true);
  62     else
  63         infopanel->hide();
  64
  65     contextMenu->addAction(KIcon("edit-delete"), i18n("Delete effect"), this, SLOT(slotRemoveEffect()));
  66
  67     connect(type_combo, SIGNAL(currentIndexChanged(int)), this, SLOT(filterList(int)));
  68     connect(buttonInfo, SIGNAL(clicked()), this, SLOT(showInfoPanel()));
  69     connect(m_effectsList, SIGNAL(itemSelectionChanged()), this, SLOT(slotUpdateInfo()));
  70     connect(m_effectsList, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)), this, SLOT(slotEffectSelected()));
  71     connect(search_effect, SIGNAL(hiddenChanged(QTreeWidgetItem *, bool)), this, SLOT(slotUpdateSearch(QTreeWidgetItem *, bool)));
  72     connect(search_effect, SIGNAL(textChanged(QString)), this, SLOT(slotAutoExpand(QString)));
  73     //m_effectsList->setCurrentRow(0);
  74 }
  75
  76 void EffectsListView::filterList(int pos)
  77 {
  78     for (int i = 0; i < m_effectsList->topLevelItemCount(); i++) {
  79         QTreeWidgetItem *folder = m_effectsList->topLevelItem(i);
  80         bool hideFolder = true;
  81         for (int j = 0; j < folder->childCount(); j++) {
  82             QTreeWidgetItem *item = folder->child(j);
  83             if (pos == 0 || pos == item->data(0, Qt::UserRole).toInt()) {
  84                 item->setHidden(false);
  85                 hideFolder = false;
  86             } else {
  87                 item->setHidden(true);
  88             }
  89         }
  90         // do not hide the folder if it's empty but "All" is selected
  91         if (pos == 0)
  92             hideFolder = false;
  93         folder->setHidden(hideFolder);
  94     }
  95     // make sure we don't show anything not matching the search expression
  96     search_effect->updateSearch();
  97
  98
  99     /*item = m_effectsList->currentItem();
 100     if (item) {
 101         if (item->isHidden()) {
 102             int i;
 103             for (i = 0; i < m_effectsList->count() && m_effectsList->item(i)->isHidden(); i++); //do nothing
 104             m_effectsList->setCurrentRow(i);
 105         } else m_effectsList->scrollToItem(item);
 106     }*/
 107 }
 108
 109 void EffectsListView::showInfoPanel()
 110 {
 111     bool show = !infopanel->isVisible();
 112     infopanel->setVisible(show);
 113     buttonInfo->setDown(show);
 114     KdenliveSettings::setShoweffectinfo(show);
 115 }
 116
 117 void EffectsListView::slotEffectSelected()
 118 {
 119     QDomElement effect = m_effectsList->currentEffect();
 120         QTreeWidgetItem* item=m_effectsList->currentItem();
 121         if (item &&  m_effectsList->indexOfTopLevelItem(item)!=-1){
 122                 item->setExpanded(!item->isExpanded());
 123         }
 124     if (!effect.isNull())
 125         emit addEffect(effect);
 126 }
 127
 128 void EffectsListView::slotUpdateInfo()
 129 {
 130     infopanel->setText(m_effectsList->currentInfo());
 131 }
 132
 133 void EffectsListView::reloadEffectList(QMenu *effectsMenu, KActionCategory *effectActions)
 134 {
 135     m_effectsList->initList(effectsMenu, effectActions);
 136 }
 137
 138 void EffectsListView::slotRemoveEffect()
 139 {
 140     QTreeWidgetItem *item = m_effectsList->currentItem();
 141     QString effectId = item->text(0);
 142     QString path = KStandardDirs::locateLocal("appdata", "effects/", true);
 143
 144     QDir directory = QDir(path);
 145     QStringList filter;
 146     filter << "*.xml";
 147     const QStringList fileList = directory.entryList(filter, QDir::Files);
 148     QString itemName;
 149     foreach(const QString &filename, fileList) {
 150         itemName = KUrl(path + filename).path();
 151         QDomDocument doc;
 152         QFile file(itemName);
 153         doc.setContent(&file, false);
 154         file.close();
 155         QDomNodeList effects = doc.elementsByTagName("effect");
 156         if (effects.count() != 1) {
 157             kDebug() << "More than one effect in file " << itemName << ", NOT SUPPORTED YET";
 158         } else {
 159             QDomElement e = effects.item(0).toElement();
 160             if (e.attribute("id") == effectId) {
 161                 QFile::remove(itemName);
 162                 break;
 163             }
 164         }
 165     }
 166     emit reloadEffects();
 167 }
 168
 169 void EffectsListView::slotUpdateSearch(QTreeWidgetItem *item, bool hidden)
 170 {
 171     if (!hidden) {
 172         if (item->data(0, Qt::UserRole).toInt() == type_combo->currentIndex()) {
 173             if (item->parent())
 174                 item->parent()->setHidden(false);
 175         } else {
 176             if (type_combo->currentIndex() != 0)
 177                 item->setHidden(true);
 178         }
 179     }
 180 }
 181
 182 void EffectsListView::slotAutoExpand(QString text)
 183 {
 184     search_effect->updateSearch();
 185
 186     for (int i = 0; i < m_effectsList->topLevelItemCount(); ++i) {
 187         QTreeWidgetItem *folder = m_effectsList->topLevelItem(i);
 188         bool expandFolder = false;
 189         /*if (folder->isHidden())
 190             continue;*/
 191         if (!text.isEmpty()) {
 192             for (int j = 0; j < folder->childCount(); j++) {
 193                 QTreeWidgetItem *item = folder->child(j);
 194                 if (!item->isHidden())
 195                     expandFolder = true;
 196             }
 197         }
 198         folder->setExpanded(expandFolder);
 199     }
 200 }
 201
 202 #include "effectslistview.moc"