git.sesse.net Git - kdenlive/blob - src/projectlistview.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 "projectlistview.h"
  22 #include "projectitem.h"
  23 #include "kdenlivesettings.h"
  24
  25 #include <KDebug>
  26 #include <KMenu>
  27 #include <KLocale>
  28
  29 #include <QApplication>
  30 #include <QHeaderView>
  31 #include <QAction>
  32
  33 ProjectListView::ProjectListView(QWidget *parent)
  34         : QTreeWidget(parent), m_dragStarted(false) {
  35     setSelectionMode(QAbstractItemView::ExtendedSelection);
  36     setDragDropMode(QAbstractItemView::DragDrop);
  37     setDropIndicatorShown(true);
  38     setAlternatingRowColors(true);
  39     setDragEnabled(true);
  40     setAcceptDrops(true);
  41
  42     setColumnCount(4);
  43     QStringList headers;
  44     headers << i18n("Thumbnail") << i18n("Filename") << i18n("Description") << i18n("Rating");
  45     setHeaderLabels(headers);
  46     sortByColumn(1, Qt::AscendingOrder);
  47
  48     QHeaderView* headerView = header();
  49     headerView->setContextMenuPolicy(Qt::CustomContextMenu);
  50     connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
  51             this, SLOT(configureColumns(const QPoint&)));
  52
  53     //connect(this, SIGNAL(currentItemChanged(QTreeWidgetItem *, QTreeWidgetItem *)), this, SLOT(slotFocusOut(QTreeWidgetItem *, QTreeWidgetItem *)));
  54
  55     if (!KdenliveSettings::showdescriptioncolumn()) hideColumn(2);
  56     if (!KdenliveSettings::showratingcolumn()) hideColumn(3);
  57
  58     setSortingEnabled(true);
  59 }
  60
  61 ProjectListView::~ProjectListView() {
  62 }
  63
  64
  65 void ProjectListView::configureColumns(const QPoint& pos) {
  66     KMenu popup(this);
  67     popup.addTitle(i18nc("@title:menu", "Columns"));
  68
  69     QHeaderView* headerView = header();
  70     for (int i = 2; i < headerView->count(); ++i) {
  71         const QString text = model()->headerData(i, Qt::Horizontal).toString();
  72         QAction* action = popup.addAction(text);
  73         action->setCheckable(true);
  74         action->setChecked(!headerView->isSectionHidden(i));
  75         action->setData(i);
  76     }
  77
  78     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
  79     if (activatedAction != 0) {
  80         const bool show = activatedAction->isChecked();
  81
  82         // remember the changed column visibility in the settings
  83         const int columnIndex = activatedAction->data().toInt();
  84         switch (columnIndex) {
  85         case 2:
  86             KdenliveSettings::setShowdescriptioncolumn(show);
  87             break;
  88         case 3:
  89             KdenliveSettings::setShowratingcolumn(show);
  90             break;
  91         default:
  92             break;
  93         }
  94
  95         // apply the changed column visibility
  96         if (show) {
  97             showColumn(columnIndex);
  98         } else {
  99             hideColumn(columnIndex);
 100         }
 101     }
 102 }
 103
 104 // virtual
 105 void ProjectListView::contextMenuEvent(QContextMenuEvent * event) {
 106     emit requestMenu(event->globalPos(), itemAt(event->pos()));
 107 }
 108
 109 // virtual
 110 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event) {
 111     ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 112     if (!item) emit addClip();
 113     else if (item->isGroup()) {
 114         if ((columnAt(event->pos().x()) == 1)) QTreeWidget::mouseDoubleClickEvent(event);
 115     } else {
 116         if ((columnAt(event->pos().x()) == 1) && (item->clipType() == SLIDESHOW || item->clipType() == TEXT || item->clipType() == COLOR)) QTreeWidget::mouseDoubleClickEvent(event);
 117         else if ((columnAt(event->pos().x()) == 2)) QTreeWidget::mouseDoubleClickEvent(event);
 118         else emit showProperties(item->referencedClip());
 119     }
 120 }
 121
 122 // virtual
 123 void ProjectListView::dragEnterEvent(QDragEnterEvent *event) {
 124     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 125         kDebug() << "////////////////  DRAG ENTR OK";
 126     }
 127     event->acceptProposedAction();
 128 }
 129
 130 // virtual
 131 void ProjectListView::dropEvent(QDropEvent *event) {
 132     kDebug() << "////////////////  DROPPED EVENT";
 133     if (event->mimeData()->hasUrls()) {
 134         QTreeWidgetItem *item = itemAt(event->pos());
 135         QString groupName;
 136         if (item) {
 137             if (((ProjectItem *) item)->isGroup()) groupName = item->text(1);
 138             else if (item->parent() && ((ProjectItem *) item->parent())->isGroup())
 139                 groupName = item->parent()->text(1);
 140         }
 141         const QList <QUrl> list = event->mimeData()->urls();
 142         foreach(const QUrl &url, list) {
 143             emit addClip(KUrl(url), groupName);
 144         }
 145
 146     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 147         ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 148         if (item) {
 149             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
 150             if (item->isGroup()) {
 151                 //emit addClip(event->mimeData->text());
 152                 kDebug() << "////////////////  DROPPED RIGHT 1 ";
 153                 const QList <QTreeWidgetItem *> list = selectedItems();
 154                 ProjectItem *clone;
 155                 QString parentId = item->clipId();
 156                 foreach(QTreeWidgetItem *it, list) {
 157                     // TODO allow dragging of folders ?
 158                     if (!((ProjectItem *) it)->isGroup()/* && ((ProjectItem *) it)->clipId() < 10000*/) {
 159                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 160                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 161                         if (clone) {
 162                             item->addChild(clone);
 163                             QMap <QString, QString> props;
 164                             props.insert("groupname", item->groupName());
 165                             props.insert("groupid", parentId);
 166                             clone->setProperties(props);
 167                         }
 168                     }
 169                 }
 170             } else item = NULL;
 171         }
 172         if (!item) {
 173             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 174             // item dropped in empty zone, move it to top level
 175             const QList <QTreeWidgetItem *> list = selectedItems();
 176             ProjectItem *clone;
 177             foreach(QTreeWidgetItem *it, list) {
 178                 QTreeWidgetItem *parent = it->parent();
 179                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 180                     kDebug() << "++ item parent: " << parent->text(1);
 181                     clone = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 182                     if (clone) {
 183                         addTopLevelItem(clone);
 184                         clone->clearProperty("groupname");
 185                         clone->clearProperty("groupid");
 186                     }
 187                 }
 188             }
 189         }
 190     }
 191     event->acceptProposedAction();
 192 }
 193
 194 // virtual
 195 void ProjectListView::mousePressEvent(QMouseEvent *event) {
 196     if (event->button() == Qt::LeftButton) {
 197         this->m_DragStartPosition = event->pos();
 198         m_dragStarted = true;
 199         QTreeWidgetItem *underMouse = itemAt(event->pos());
 200         if (underMouse && underMouse->isSelected()) emit focusMonitor();
 201     }
 202     QTreeWidget::mousePressEvent(event);
 203 }
 204
 205
 206 // virtual
 207 void ProjectListView::mouseMoveEvent(QMouseEvent *event) {
 208     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 209     if (!m_dragStarted) return;
 210
 211     if ((event->pos() - m_DragStartPosition).manhattanLength()
 212             < QApplication::startDragDistance())
 213         return;
 214
 215     {
 216         ProjectItem *clickItem = (ProjectItem *) itemAt(m_DragStartPosition); //event->pos());
 217         if (clickItem) {
 218             QDrag *drag = new QDrag(this);
 219             QMimeData *mimeData = new QMimeData;
 220             QDomDocument doc;
 221             const QList <QTreeWidgetItem *> list = selectedItems();
 222             QStringList ids;
 223             foreach(const QTreeWidgetItem *item, list) {
 224                 const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 225                 if (!clip->isGroup()) ids.append(clip->clipId());
 226                 else {
 227                     const int children = item->childCount();
 228                     for (int i = 0; i < children; i++) {
 229                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 230                     }
 231                 }
 232             }
 233             if (ids.isEmpty()) return;
 234             QByteArray data;
 235             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 236             mimeData->setData("kdenlive/producerslist", data);
 237             //mimeData->setText(ids.join(";")); //doc.toString());
 238             //mimeData->setImageData(image);
 239             drag->setMimeData(mimeData);
 240             drag->setPixmap(clickItem->icon(0).pixmap(iconSize()));
 241             drag->setHotSpot(QPoint(0, 50));
 242             Qt::DropAction dropAction = drag->exec(Qt::MoveAction);
 243         }
 244         //event->accept();
 245     }
 246 }
 247
 248 // virtual
 249 void ProjectListView::dragMoveEvent(QDragMoveEvent * event) {
 250     event->setDropAction(Qt::IgnoreAction);
 251     event->setDropAction(Qt::MoveAction);
 252     if (event->mimeData()->hasText()) {
 253         event->acceptProposedAction();
 254     }
 255     // stop playing because we get a crash otherwise when fetching the thumbnails
 256     emit pauseMonitor();
 257 }
 258
 259 QStringList ProjectListView::mimeTypes() const {
 260     QStringList qstrList;
 261     qstrList << QTreeWidget::mimeTypes();
 262     // list of accepted mime types for drop
 263     qstrList.append("text/uri-list");
 264     qstrList.append("text/plain");
 265     qstrList.append("kdenlive/producerslist");
 266     return qstrList;
 267 }
 268
 269
 270 Qt::DropActions ProjectListView::supportedDropActions() const {
 271     // returns what actions are supported when dropping
 272     return Qt::MoveAction;
 273 }
 274
 275 #include "projectlistview.moc"