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         emit addClip(event->mimeData()->urls(), groupName);
 142
 143     } else if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
 144         ProjectItem *item = static_cast <ProjectItem *>(itemAt(event->pos()));
 145         if (item) {
 146             if (item->parent()) item = static_cast <ProjectItem *>(item->parent());
 147             if (item->isGroup()) {
 148                 //emit addClip(event->mimeData->text());
 149                 kDebug() << "////////////////  DROPPED RIGHT 1 ";
 150                 const QList <QTreeWidgetItem *> list = selectedItems();
 151                 ProjectItem *clone;
 152                 QString parentId = item->clipId();
 153                 foreach(QTreeWidgetItem *it, list) {
 154                     // TODO allow dragging of folders ?
 155                     if (!((ProjectItem *) it)->isGroup()/* && ((ProjectItem *) it)->clipId() < 10000*/) {
 156                         if (it->parent()) clone = (ProjectItem*) it->parent()->takeChild(it->parent()->indexOfChild(it));
 157                         else clone = (ProjectItem*) takeTopLevelItem(indexOfTopLevelItem(it));
 158                         if (clone) {
 159                             item->addChild(clone);
 160                             QMap <QString, QString> props;
 161                             props.insert("groupname", item->groupName());
 162                             props.insert("groupid", parentId);
 163                             clone->setProperties(props);
 164                         }
 165                     }
 166                 }
 167             } else item = NULL;
 168         }
 169         if (!item) {
 170             kDebug() << "////////////////  DROPPED ON EMPTY ZONE";
 171             // item dropped in empty zone, move it to top level
 172             const QList <QTreeWidgetItem *> 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 = static_cast <ProjectItem*>(parent->takeChild(parent->indexOfChild(it)));
 179                     if (clone) {
 180                         addTopLevelItem(clone);
 181                         clone->clearProperty("groupname");
 182                         clone->clearProperty("groupid");
 183                     }
 184                 }
 185             }
 186         }
 187     }
 188     event->acceptProposedAction();
 189 }
 190
 191 // virtual
 192 void ProjectListView::mousePressEvent(QMouseEvent *event) {
 193     if (event->button() == Qt::LeftButton) {
 194         m_DragStartPosition = event->pos();
 195         m_dragStarted = true;
 196         QTreeWidgetItem *underMouse = itemAt(event->pos());
 197         if (underMouse && underMouse->isSelected()) emit focusMonitor();
 198     }
 199     QTreeWidget::mousePressEvent(event);
 200 }
 201
 202
 203 // virtual
 204 void ProjectListView::mouseMoveEvent(QMouseEvent *event) {
 205     //kDebug() << "// DRAG STARTED, MOUSE MOVED: ";
 206     if (!m_dragStarted) return;
 207
 208     if ((event->pos() - m_DragStartPosition).manhattanLength()
 209             < QApplication::startDragDistance())
 210         return;
 211
 212     {
 213         ProjectItem *clickItem = (ProjectItem *) itemAt(m_DragStartPosition); //event->pos());
 214         if (clickItem) {
 215             QDrag *drag = new QDrag(this);
 216             QMimeData *mimeData = new QMimeData;
 217             const QList <QTreeWidgetItem *> list = selectedItems();
 218             QStringList ids;
 219             foreach(const QTreeWidgetItem *item, list) {
 220                 const ProjectItem *clip = static_cast <const ProjectItem *>(item);
 221                 if (!clip->isGroup()) ids.append(clip->clipId());
 222                 else {
 223                     const int children = item->childCount();
 224                     for (int i = 0; i < children; i++) {
 225                         ids.append(static_cast <ProjectItem *>(item->child(i))->clipId());
 226                     }
 227                 }
 228             }
 229             if (ids.isEmpty()) return;
 230             QByteArray data;
 231             data.append(ids.join(";").toUtf8()); //doc.toString().toUtf8());
 232             mimeData->setData("kdenlive/producerslist", data);
 233             //mimeData->setText(ids.join(";")); //doc.toString());
 234             //mimeData->setImageData(image);
 235             drag->setMimeData(mimeData);
 236             drag->setPixmap(clickItem->icon(0).pixmap(iconSize()));
 237             drag->setHotSpot(QPoint(0, 50));
 238             drag->exec(Qt::MoveAction);
 239         }
 240         //event->accept();
 241     }
 242 }
 243
 244 // virtual
 245 void ProjectListView::dragMoveEvent(QDragMoveEvent * event) {
 246     event->setDropAction(Qt::IgnoreAction);
 247     event->setDropAction(Qt::MoveAction);
 248     if (event->mimeData()->hasText()) {
 249         event->acceptProposedAction();
 250     }
 251     // stop playing because we get a crash otherwise when fetching the thumbnails
 252     emit pauseMonitor();
 253 }
 254
 255 QStringList ProjectListView::mimeTypes() const {
 256     QStringList qstrList;
 257     qstrList << QTreeWidget::mimeTypes();
 258     // list of accepted mime types for drop
 259     qstrList.append("text/uri-list");
 260     qstrList.append("text/plain");
 261     qstrList.append("kdenlive/producerslist");
 262     return qstrList;
 263 }
 264
 265
 266 Qt::DropActions ProjectListView::supportedDropActions() const {
 267     // returns what actions are supported when dropping
 268     return Qt::MoveAction;
 269 }
 270
 271 #include "projectlistview.moc"