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 #include <QHeaderView>
  22 #include <QAction>
  23
  24 #include <KDebug>
  25 #include <KMenu>
  26 #include <KLocale>
  27
  28 #include "projectitem.h"
  29 #include "projectlistview.h"
  30 #include "kdenlivesettings.h"
  31
  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     setIconSize(QSize(60, 40));
  59     setSortingEnabled(true);
  60 }
  61
  62 ProjectListView::~ProjectListView() {
  63 }
  64
  65
  66 void ProjectListView::configureColumns(const QPoint& pos) {
  67     KMenu popup(this);
  68     popup.addTitle(i18nc("@title:menu", "Columns"));
  69
  70     QHeaderView* headerView = header();
  71     for (int i = 2; i < headerView->count(); ++i) {
  72         const int logicalIndex = headerView->logicalIndex(i);
  73         const QString text = model()->headerData(i, Qt::Horizontal).toString();
  74         QAction* action = popup.addAction(text);
  75         action->setCheckable(true);
  76         action->setChecked(!headerView->isSectionHidden(logicalIndex));
  77         action->setData(i);
  78     }
  79
  80     QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
  81     if (activatedAction != 0) {
  82         const bool show = activatedAction->isChecked();
  83
  84         // remember the changed column visibility in the settings
  85         const int columnIndex = activatedAction->data().toInt();
  86         switch (columnIndex) {
  87         case 2:
  88             KdenliveSettings::setShowdescriptioncolumn(show);
  89             break;
  90         case 3:
  91             KdenliveSettings::setShowratingcolumn(show);
  92             break;
  93         default:
  94             break;
  95         }
  96
  97         // apply the changed column visibility
  98         if (show) {
  99             showColumn(columnIndex);
 100         } else {
 101             hideColumn(columnIndex);
 102         }
 103     }
 104 }
 105
 106 // virtual
 107 void ProjectListView::contextMenuEvent(QContextMenuEvent * event) {
 108     emit requestMenu(event->globalPos(), itemAt(event->pos()));
 109 }
 110
 111 // virtual
 112 void ProjectListView::mouseDoubleClickEvent(QMouseEvent * event) {
 113     ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 114     if (!item) emit addClip();
 115     else if (item->isGroup()) {
 116         if ((columnAt(event->pos().x()) == 1)) QTreeWidget::mouseDoubleClickEvent(event);
 117     } else emit showProperties(item->referencedClip());
 118 }
 119
 120 // virtual
 121 void ProjectListView::dragEnterEvent(QDragEnterEvent *event) {
 122     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 123         kDebug() << "////////////////  DRAG ENTR OK";
 124     }
 125     event->acceptProposedAction();
 126 }
 127
 128 // virtual
 129 void ProjectListView::dropEvent(QDropEvent *event) {
 130     kDebug() << "////////////////  DROPPED EVENT";
 131     if (event->mimeData()->hasUrls()) {
 132         QTreeWidgetItem *item = itemAt(event->pos());
 133         QString groupName;
 134         if (item) {
 135             if (((ProjectItem *) item)->isGroup()) groupName = item->text(1);
 136             else if (item->parent() && ((ProjectItem *) item->parent())->isGroup())
 137                 groupName = item->parent()->text(1);
 138         }
 139         const QList <QUrl> list = event->mimeData()->urls();
 140         foreach(const QUrl &url, list) {
 141             emit addClip(url, groupName);
 142         }
 143
 144     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 145         ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 146         if (item) {
 147             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
 148             if (item->isGroup()) {
 149                 //emit addClip(event->mimeData->text());
 150                 kDebug() << "////////////////  DROPPED RIGHT 1 ";
 151                 const QList <QTreeWidgetItem *> list = selectedItems();
 152                 ProjectItem *clone;
 153                 QString parentId = item->clipId();
 154                 foreach(QTreeWidgetItem *it, list) {
 155                     // TODO allow dragging of folders ?
 156                     if (!((ProjectItem *) it)->isGroup()/* && ((ProjectItem *) it)->clipId() < 10000*/) {
 157                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 158                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 159                         if (clone) {
 160                             item->addChild(clone);
 161                             QMap <QString, QString> props;
 162                             props.insert("groupname", item->groupName());
 163                             props.insert("groupid", parentId);
 164                             clone->setProperties(props);
 165                         }
 166                     }
 167                 }
 168             } else item = NULL;
 169         }
 170         if (!item) {
 171             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 172             // item dropped in empty zone, move it to top level
 173             const QList <QTreeWidgetItem *> list = selectedItems();
 174             ProjectItem *clone;
 175             foreach(QTreeWidgetItem *it, list) {
 176                 QTreeWidgetItem *parent = it->parent();
 177                 if (parent/* && ((ProjectItem *) it)->clipId() < 10000*/)  {
 178                     kDebug() << "++ item parent: " << parent->text(1);
 179                     clone = (ProjectItem*) parent->takeChild(parent->indexOfChild(it));
 180                     if (clone) addTopLevelItem(clone);
 181                 }
 182             }
 183         }
 184     }
 185     event->acceptProposedAction();
 186 }
 187
 188 // virtual
 189 void ProjectListView::mousePressEvent(QMouseEvent *event) {
 190     if (event->button() == Qt::LeftButton) {
 191         this->m_DragStartPosition = event->pos();
 192         m_dragStarted = true;
 193         QTreeWidgetItem *underMouse = itemAt(event->pos());
 194         if (underMouse && underMouse->isSelected()) emit focusMonitor();
 195     }
 196     QTreeWidget::mousePressEvent(event);
 197 }
 198
 199
 200 // virtual
 201 void ProjectListView::mouseMoveEvent(QMouseEvent *event) {
 202     kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 203     if (!m_dragStarted) return;
 204
 205     if ((event->pos() - m_DragStartPosition).manhattanLength()
 206             < QApplication::startDragDistance())
 207         return;
 208
 209     {
 210         ProjectItem *clickItem = (ProjectItem *) itemAt(m_DragStartPosition); //event->pos());
 211         if (clickItem) {
 212             QDrag *drag = new QDrag(this);
 213             QMimeData *mimeData = new QMimeData;
 214             QDomDocument doc;
 215             const QList <QTreeWidgetItem *> list = selectedItems();
 216             QStringList ids;
 217             foreach(const QTreeWidgetItem *item, list) {
 218                 // TODO allow dragging of folders
 219                 ids.append(((ProjectItem *) item)->clipId());
 220             }
 221             QByteArray data;
 222             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 223             mimeData->setData("kdenlive/producerslist", data);
 224             //mimeData->setText(ids.join(";")); //doc.toString());
 225             //mimeData->setImageData(image);
 226             drag->setMimeData(mimeData);
 227             drag->setPixmap(clickItem->icon(0).pixmap((int)(50 *16 / 9.0), 50));
 228             drag->setHotSpot(QPoint(0, 50));
 229             drag->start(Qt::MoveAction);
 230
 231             //Qt::DropAction dropAction;
 232             //dropAction = drag->start(Qt::CopyAction | Qt::MoveAction);
 233
 234             //Qt::DropAction dropAction = drag->exec();
 235
 236         }
 237         //event->accept();
 238     }
 239 }
 240
 241 // virtual
 242 void ProjectListView::dragMoveEvent(QDragMoveEvent * event) {
 243     QTreeWidgetItem * item = itemAt(event->pos());
 244     event->setDropAction(Qt::IgnoreAction);
 245     //if (item) {
 246     event->setDropAction(Qt::MoveAction);
 247     if (event->mimeData()->hasText()) {
 248         event->acceptProposedAction();
 249     }
 250     //}
 251 }
 252
 253 QStringList ProjectListView::mimeTypes() const {
 254     QStringList qstrList;
 255     qstrList << QTreeWidget::mimeTypes();
 256     // list of accepted mime types for drop
 257     qstrList.append("text/uri-list");
 258     qstrList.append("text/plain");
 259     qstrList.append("kdenlive/producerslist");
 260     return qstrList;
 261 }
 262
 263
 264 Qt::DropActions ProjectListView::supportedDropActions() const {
 265     // returns what actions are supported when dropping
 266     return Qt::MoveAction;
 267 }
 268
 269 #include "projectlistview.moc"