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->clipType() == FOLDER && columnAt(event->pos().x()) == 1) || columnAt(event->pos().x()) == 2) QTreeWidget::mouseDoubleClickEvent(event);
 116     else emit showProperties(item->referencedClip());
 117 }
 118
 119 // virtual
 120 void ProjectListView::dragEnterEvent(QDragEnterEvent *event) {
 121     if (event->mimeData()->hasUrls() || event->mimeData()->hasText()) {
 122         kDebug() << "////////////////  DRAG ENTR OK";
 123     }
 124     event->acceptProposedAction();
 125 }
 126
 127 // virtual
 128 void ProjectListView::dropEvent(QDropEvent *event) {
 129     kDebug() << "////////////////  DROPPED EVENT";
 130     if (event->mimeData()->hasUrls()) {
 131         QTreeWidgetItem *item = itemAt(event->pos());
 132         QString groupName;
 133         if (item) {
 134             if (((ProjectItem *) item)->isGroup()) groupName = item->text(1);
 135             else if (item->parent() && ((ProjectItem *) item->parent())->isGroup())
 136                 groupName = item->parent()->text(1);
 137         }
 138         QList <QUrl> list;
 139         list = event->mimeData()->urls();
 140         foreach(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                 QList <QTreeWidgetItem *> list;
 152                 list = selectedItems();
 153                 ProjectItem *clone;
 154                 int parentId = item->clipId();
 155                 foreach(QTreeWidgetItem *it, list) {
 156                     // TODO allow dragging of folders ?
 157                     if (!((ProjectItem *) it)->isGroup() && ((ProjectItem *) it)->clipId() < 10000) {
 158                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 159                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 160                         if (clone) {
 161                             item->addChild(clone);
 162                             clone->setGroup(item->groupName(), QString::number(parentId));
 163                         }
 164                     }
 165                 }
 166             } else item = NULL;
 167         }
 168         if (!item) {
 169             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 170             // item dropped in empty zone, move it to top level
 171             QList <QTreeWidgetItem *> list;
 172             list = selectedItems();
 173             ProjectItem *clone;
 174             foreach(QTreeWidgetItem *it, list) {
 175                 QTreeWidgetItem *parent = it->parent();
 176                 if (parent && ((ProjectItem *) it)->clipId() < 10000)  {
 177                     kDebug() << "++ item parent: " << parent->text(1);
 178                     clone = (ProjectItem*) parent->takeChild(parent->indexOfChild(it));
 179                     if (clone) addTopLevelItem(clone);
 180                 }
 181             }
 182         }
 183     }
 184     event->acceptProposedAction();
 185 }
 186
 187 // virtual
 188 void ProjectListView::mousePressEvent(QMouseEvent *event) {
 189     if (event->button() == Qt::LeftButton) {
 190         this->m_DragStartPosition = event->pos();
 191         m_dragStarted = true;
 192     }
 193     QTreeWidget::mousePressEvent(event);
 194 }
 195
 196
 197 // virtual
 198 void ProjectListView::mouseMoveEvent(QMouseEvent *event) {
 199     kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 200     if (!m_dragStarted) return;
 201
 202     if ((event->pos() - m_DragStartPosition).manhattanLength()
 203             < QApplication::startDragDistance())
 204         return;
 205
 206     {
 207         ProjectItem *clickItem = (ProjectItem *) itemAt(event->pos());
 208         if (clickItem) {
 209             QDrag *drag = new QDrag(this);
 210             QMimeData *mimeData = new QMimeData;
 211             QDomDocument doc;
 212             QList <QTreeWidgetItem *> list;
 213             list = selectedItems();
 214             QStringList ids;
 215             foreach(QTreeWidgetItem *item, list) {
 216                 // TODO allow dragging of folders
 217                 ids.append(QString::number(((ProjectItem *) item)->clipId()));
 218             }
 219             QByteArray data;
 220             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 221             mimeData->setData("kdenlive/producerslist", data);
 222             //mimeData->setText(ids.join(";")); //doc.toString());
 223             //mimeData->setImageData(image);
 224             drag->setMimeData(mimeData);
 225             drag->setPixmap(clickItem->icon(0).pixmap((int)(50 *16 / 9.0), 50));
 226             drag->setHotSpot(QPoint(0, 50));
 227             drag->start(Qt::MoveAction);
 228
 229             //Qt::DropAction dropAction;
 230             //dropAction = drag->start(Qt::CopyAction | Qt::MoveAction);
 231
 232             //Qt::DropAction dropAction = drag->exec();
 233
 234         }
 235         //event->accept();
 236     }
 237 }
 238
 239 void ProjectListView::dragMoveEvent(QDragMoveEvent * event) {
 240     QTreeWidgetItem * item = itemAt(event->pos());
 241     event->setDropAction(Qt::IgnoreAction);
 242     //if (item) {
 243     event->setDropAction(Qt::MoveAction);
 244     if (event->mimeData()->hasText()) {
 245         event->acceptProposedAction();
 246     }
 247     //}
 248 }
 249
 250 QStringList ProjectListView::mimeTypes() const {
 251     QStringList qstrList;
 252     qstrList << QTreeWidget::mimeTypes();
 253     // list of accepted mime types for drop
 254     qstrList.append("text/uri-list");
 255     qstrList.append("text/plain");
 256     qstrList.append("kdenlive/producerslist");
 257     return qstrList;
 258 }
 259
 260
 261 Qt::DropActions ProjectListView::supportedDropActions() const {
 262     // returns what actions are supported when dropping
 263     return Qt::MoveAction;
 264 }
 265
 266 #include "projectlistview.moc"