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 #include "QApplication"
  21
  22 #include "KDebug"
  23
  24 #include "projectitem.h"
  25 #include "projectlistview.h"
  26
  27
  28 ProjectListView::ProjectListView(QWidget *parent)
  29         : QTreeWidget(parent), m_dragStarted(false) {
  30     setSelectionMode(QAbstractItemView::ExtendedSelection);
  31     setDragDropMode(QAbstractItemView::DragDrop);
  32     setDropIndicatorShown(true);
  33     setAlternatingRowColors(true);
  34     setDragEnabled(true);
  35     setAcceptDrops(true);
  36 }
  37
  38 ProjectListView::~ProjectListView() {
  39 }
  40
  41 void ProjectListView::editItem(QTreeWidgetItem * item, int column) {
  42     kDebug() << "////////////////  EDIT ITEM, COL: " << column;
  43 }
  44
  45 // virtual
  46 void ProjectListView::contextMenuEvent(QContextMenuEvent * event) {
  47     emit requestMenu(event->globalPos(), itemAt(event->pos()));
  48 }
  49
  50 // virtual
  51 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event) {
  52     ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
  53     if (!item) emit addClip();
  54     else if ((item->clipType() == FOLDER && columnAt(event->pos().x()) == 1) || columnAt(event->pos().x()) == 2) QTreeWidget::mouseDoubleClickEvent(event);
  55 }
  56
  57 // virtual
  58 void ProjectListView::dragEnterEvent(QDragEnterEvent *event) {
  59     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
  60         kDebug() << "////////////////  DRAG ENTR OK";
  61     }
  62     event->acceptProposedAction();
  63 }
  64
  65 // virtual
  66 void ProjectListView::dropEvent(QDropEvent *event) {
  67     kDebug() << "////////////////  DROPPED EVENT";
  68     if (event->mimeData()->hasUrls()) {
  69         QTreeWidgetItem *item = itemAt(event->pos());
  70         QString groupName;
  71         if (item) {
  72             if (((ProjectItem *) item)->isGroup()) groupName = item->text(1);
  73             else if (item->parent() && ((ProjectItem *) item->parent())->isGroup())
  74                 groupName = item->parent()->text(1);
  75         }
  76         QList <QUrl> list;
  77         list = event->mimeData()->urls();
  78         foreach(QUrl url, list) {
  79             emit addClip(url, groupName);
  80         }
  81
  82     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
  83         ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
  84         if (item) {
  85             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
  86             if (item->isGroup()) {
  87                 //emit addClip(event->mimeData->text());
  88                 kDebug() << "////////////////  DROPPED RIGHT 1 ";
  89                 QList <QTreeWidgetItem *> list;
  90                 list = selectedItems();
  91                 ProjectItem *clone;
  92                 int parentId = item->clipId();
  93                 foreach(QTreeWidgetItem *it, list) {
  94                     // TODO allow dragging of folders ?
  95                     if (!((ProjectItem *) it)->isGroup() && ((ProjectItem *) it)->clipId() < 10000) {
  96                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
  97                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
  98                         if (clone) {
  99                             item->addChild(clone);
 100                             clone->setGroup(item->groupName(), QString::number(parentId));
 101                         }
 102                     }
 103                 }
 104             } else item = NULL;
 105         }
 106         if (!item) {
 107             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 108             // item dropped in empty zone, move it to top level
 109             QList <QTreeWidgetItem *> list;
 110             list = selectedItems();
 111             ProjectItem *clone;
 112             foreach(QTreeWidgetItem *it, list) {
 113                 QTreeWidgetItem *parent = it->parent();
 114                 if (parent && ((ProjectItem *) it)->clipId() < 10000)  {
 115                     kDebug() << "++ item parent: " << parent->text(1);
 116                     clone = (ProjectItem*) parent->takeChild(parent->indexOfChild(it));
 117                     if (clone) addTopLevelItem(clone);
 118                 }
 119             }
 120         }
 121     }
 122     event->acceptProposedAction();
 123 }
 124
 125 // virtual
 126 void ProjectListView::mousePressEvent(QMouseEvent *event) {
 127     if (event->button() == Qt::LeftButton) {
 128         this->m_DragStartPosition = event->pos();
 129         m_dragStarted = true;
 130     }
 131     QTreeWidget::mousePressEvent(event);
 132 }
 133
 134
 135 // virtual
 136 void ProjectListView::mouseMoveEvent(QMouseEvent *event) {
 137     kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 138     if (!m_dragStarted) return;
 139
 140     if ((event->pos() - m_DragStartPosition).manhattanLength()
 141             < QApplication::startDragDistance())
 142         return;
 143
 144     {
 145         ProjectItem *clickItem = (ProjectItem *) itemAt(event->pos());
 146         if (clickItem) {
 147             QDrag *drag = new QDrag(this);
 148             QMimeData *mimeData = new QMimeData;
 149             QDomDocument doc;
 150             QList <QTreeWidgetItem *> list;
 151             list = selectedItems();
 152             QStringList ids;
 153             foreach(QTreeWidgetItem *item, list) {
 154                 // TODO allow dragging of folders
 155                 ids.append(QString::number(((ProjectItem *) item)->clipId()));
 156             }
 157             QByteArray data;
 158             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 159             mimeData->setData("kdenlive/producerslist", data);
 160             //mimeData->setText(ids.join(";")); //doc.toString());
 161             //mimeData->setImageData(image);
 162             drag->setMimeData(mimeData);
 163             drag->setPixmap(clickItem->icon(0).pixmap((int)(50 *16 / 9.0), 50));
 164             drag->setHotSpot(QPoint(0, 50));
 165             drag->start(Qt::MoveAction);
 166
 167             //Qt::DropAction dropAction;
 168             //dropAction = drag->start(Qt::CopyAction | Qt::MoveAction);
 169
 170             //Qt::DropAction dropAction = drag->exec();
 171
 172         }
 173         //event->accept();
 174     }
 175 }
 176
 177 void ProjectListView::dragMoveEvent(QDragMoveEvent * event) {
 178     QTreeWidgetItem * item = itemAt(event->pos());
 179     event->setDropAction(Qt::IgnoreAction);
 180     //if (item) {
 181     event->setDropAction(Qt::MoveAction);
 182     if (event->mimeData()->hasText()) {
 183         event->acceptProposedAction();
 184     }
 185     //}
 186 }
 187
 188 QStringList ProjectListView::mimeTypes() const {
 189     QStringList qstrList;
 190     qstrList << QTreeWidget::mimeTypes();
 191     // list of accepted mime types for drop
 192     qstrList.append("text/uri-list");
 193     qstrList.append("text/plain");
 194     qstrList.append("kdenlive/producerslist");
 195     return qstrList;
 196 }
 197
 198
 199 Qt::DropActions ProjectListView::supportedDropActions() const {
 200     // returns what actions are supported when dropping
 201     return Qt::MoveAction;
 202 }
 203
 204 #include "projectlistview.moc"