#include "treeviewsidebarpage.h"
-#include "bookmarkselector.h"
-#include "dolphinmainwindow.h"
+#include "dolphinmodel.h"
+#include "dolphinsortfilterproxymodel.h"
#include "dolphinview.h"
+#include "dolphinsettings.h"
+#include "sidebartreeview.h"
+#include "treeviewcontextmenu.h"
-#include "kdirlister.h"
-#include "kdirmodel.h"
+#include <kfileplacesmodel.h>
+#include <kdirlister.h>
+#include <kfileitem.h>
-#include <QHeaderView>
-#include <QItemSelectionModel>
+#include <QItemSelection>
#include <QTreeView>
-#include <QVBoxLayout>
+#include <QBoxLayout>
+#include <QModelIndex>
+#include <QScrollBar>
+#include <QTimer>
-TreeViewSidebarPage::TreeViewSidebarPage(DolphinMainWindow* mainWindow,
- QWidget* parent) :
- SidebarPage(mainWindow, parent),
+TreeViewSidebarPage::TreeViewSidebarPage(QWidget* parent) :
+ SidebarPage(parent),
+ m_setLeafVisible(false),
+ m_horizontalPos(0),
m_dirLister(0),
- m_dirModel(0),
+ m_dolphinModel(0),
+ m_proxyModel(0),
m_treeView(0),
- m_selectedUrl()
+ m_leafDir()
{
- Q_ASSERT(mainWindow != 0);
-
- m_dirLister = new KDirLister();
- m_dirLister->setDirOnlyMode(true);
- m_dirLister->setAutoUpdate(true);
- m_dirLister->setMainWindow(this);
- m_dirLister->setDelayedMimeTypes(true);
- m_dirLister->setAutoErrorHandlingEnabled(false, this);
-
- m_dirModel = new KDirModel();
- m_dirModel->setDirLister(m_dirLister);
-
- m_treeView = new QTreeView(this);
- m_treeView->setModel(m_dirModel);
- m_treeView->setSelectionMode(QAbstractItemView::SingleSelection);
- m_treeView->setEditTriggers(QAbstractItemView::NoEditTriggers);
-
- // hide all columns except of the 'Name' column
- m_treeView->hideColumn(KDirModel::Size);
- m_treeView->hideColumn(KDirModel::ModifiedTime);
- m_treeView->hideColumn(KDirModel::Permissions);
- m_treeView->hideColumn(KDirModel::Owner);
- m_treeView->hideColumn(KDirModel::Group);
- m_treeView->header()->hide();
-
- connect(m_treeView, SIGNAL(clicked(const QModelIndex&)),
- this, SLOT(updateActiveView(const QModelIndex&)));
- connect(m_treeView, SIGNAL(doubleClicked(const QModelIndex&)),
- this, SLOT(slotDoubleClicked(const QModelIndex&)));
-
- QVBoxLayout* layout = new QVBoxLayout(this);
- layout->addWidget(m_treeView);
}
TreeViewSidebarPage::~TreeViewSidebarPage()
{
- delete m_dirLister;
- m_dirLister = 0;
+ delete m_proxyModel;
+ m_proxyModel = 0;
+ delete m_dolphinModel;
+ m_dolphinModel = 0;
+ m_dirLister = 0; // deleted by m_dolphinModel
}
-void TreeViewSidebarPage::activeViewChanged()
+QSize TreeViewSidebarPage::sizeHint() const
{
- connectToActiveView();
+ return QSize(200, 400);
}
-void TreeViewSidebarPage::showEvent(QShowEvent* event)
+void TreeViewSidebarPage::setUrl(const KUrl& url)
{
- SidebarPage::showEvent(event);
- connectToActiveView();
+ if (!url.isValid() || (url == SidebarPage::url())) {
+ return;
+ }
+
+ SidebarPage::setUrl(url);
+ if (m_dirLister != 0) {
+ m_setLeafVisible = true;
+ loadTree(url);
+ }
}
-void TreeViewSidebarPage::updateSelection(const KUrl& url)
+void TreeViewSidebarPage::showEvent(QShowEvent* event)
{
- if (!url.isValid() || (url == m_selectedUrl)) {
+ if (event->spontaneous()) {
+ SidebarPage::showEvent(event);
return;
}
- m_selectedUrl = url;
+ if (m_dirLister == 0) {
+ // Postpone the creating of the dir lister to the first show event.
+ // This assures that no performance and memory overhead is given when the TreeView is not
+ // used at all (see TreeViewSidebarPage::setUrl()).
+ m_dirLister = new KDirLister();
+ m_dirLister->setDirOnlyMode(true);
+ m_dirLister->setAutoUpdate(true);
+ m_dirLister->setMainWindow(this);
+ m_dirLister->setDelayedMimeTypes(true);
+ m_dirLister->setAutoErrorHandlingEnabled(false, this);
- // adjust the root of the tree to the base bookmark
- const KUrl baseUrl = BookmarkSelector::baseBookmark(url).url();
- if (m_dirLister->url() != baseUrl) {
- m_dirLister->stop();
- m_dirLister->openUrl(baseUrl);
+ connect(m_dirLister, SIGNAL(completed()),
+ this, SLOT(triggerLoadSubTree()));
+
+ Q_ASSERT(m_dolphinModel == 0);
+ m_dolphinModel = new DolphinModel(this);
+ m_dolphinModel->setDirLister(m_dirLister);
+ m_dolphinModel->setDropsAllowed(DolphinModel::DropOnDirectory);
+ connect(m_dolphinModel, SIGNAL(expand(const QModelIndex&)),
+ this, SLOT(triggerExpanding()));
+
+ Q_ASSERT(m_proxyModel == 0);
+ m_proxyModel = new DolphinSortFilterProxyModel(this);
+ m_proxyModel->setSourceModel(m_dolphinModel);
+
+ Q_ASSERT(m_treeView == 0);
+ m_treeView = new SidebarTreeView(this);
+ m_treeView->setModel(m_proxyModel);
+ m_proxyModel->setSorting(DolphinView::SortByName);
+ m_proxyModel->setSortOrder(Qt::AscendingOrder);
+
+ connect(m_treeView, SIGNAL(clicked(const QModelIndex&)),
+ this, SLOT(updateActiveView(const QModelIndex&)));
+ connect(m_treeView, SIGNAL(urlsDropped(const KUrl::List&, const QModelIndex&)),
+ this, SLOT(dropUrls(const KUrl::List&, const QModelIndex&)));
+
+ QVBoxLayout* layout = new QVBoxLayout(this);
+ layout->setMargin(0);
+ layout->addWidget(m_treeView);
}
- // select the folder which contains the given URL
- QItemSelectionModel* selModel = m_treeView->selectionModel();
- selModel->clearSelection();
+ loadTree(url());
+ SidebarPage::showEvent(event);
+}
- const KFileItem item(S_IFDIR, KFileItem::Unknown, url);
- const QModelIndex index = m_dirModel->indexForItem(item);
- if (index.isValid()) {
- // the item with the given URL is already part of the model
- m_treeView->scrollTo(index);
- selModel->setCurrentIndex(index, QItemSelectionModel::Select);
+void TreeViewSidebarPage::contextMenuEvent(QContextMenuEvent* event)
+{
+ SidebarPage::contextMenuEvent(event);
+
+ const QModelIndex index = m_treeView->indexAt(event->pos());
+ if (!index.isValid()) {
+ // only open a context menu above a directory item
+ return;
}
- else {
- // The item with the given URL is not loaded by the model yet. Iterate
- // backward to the base URL and trigger the loading of the items for
- // each hierarchy level.
- connect(m_dirLister, SIGNAL(completed()),
- this, SLOT(expandSelectionParent()));
- KUrl parentUrl = url.upUrl();
- while (!parentUrl.isParentOf(baseUrl)) {
- m_dirLister->openUrl(parentUrl, true, false);
- parentUrl = parentUrl.upUrl();
+ const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index);
+ KFileItem item = m_dolphinModel->itemForIndex(dolphinModelIndex);
+
+ emit changeSelection(KFileItemList());
+ TreeViewContextMenu contextMenu(this, item);
+ contextMenu.open();
+}
+
+void TreeViewSidebarPage::updateActiveView(const QModelIndex& index)
+{
+ const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
+ const KFileItem item = m_dolphinModel->itemForIndex(dirIndex);
+ if (!item.isNull()) {
+ emit changeUrl(item.url());
+ }
+}
+
+void TreeViewSidebarPage::dropUrls(const KUrl::List& urls,
+ const QModelIndex& index)
+{
+ if (index.isValid()) {
+ const QModelIndex dirIndex = m_proxyModel->mapToSource(index);
+ KFileItem item = m_dolphinModel->itemForIndex(dirIndex);
+ Q_ASSERT(!item.isNull());
+ if (item.isDir()) {
+ emit urlsDropped(urls, item.url());
}
}
}
-void TreeViewSidebarPage::expandSelectionParent()
+void TreeViewSidebarPage::triggerExpanding()
{
- disconnect(m_dirLister, SIGNAL(completed()),
- this, SLOT(expandSelectionParent()));
+ // the expanding of the folders may not be done in the context
+ // of this slot
+ QMetaObject::invokeMethod(this, "expandToLeafDir", Qt::QueuedConnection);
+}
- // expand the parent folder of the selected item
- const KFileItem parentItem(S_IFDIR, KFileItem::Unknown, m_selectedUrl.upUrl());
- QModelIndex index = m_dirModel->indexForItem(parentItem);
- if (index.isValid()) {
- m_treeView->setExpanded(index, true);
+void TreeViewSidebarPage::triggerLoadSubTree()
+{
+ // the loading of the sub tree may not be done in the context
+ // of this slot
+ QMetaObject::invokeMethod(this, "loadSubTree", Qt::QueuedConnection);
+}
- // select the item and assure that the item is visible
- const KFileItem selectedItem(S_IFDIR, KFileItem::Unknown, m_selectedUrl);
- index = m_dirModel->indexForItem(selectedItem);
- if (index.isValid()) {
- m_treeView->scrollTo(index);
+void TreeViewSidebarPage::expandToLeafDir()
+{
+ // expand all directories until the parent directory of m_leafDir
+ const KUrl parentUrl = m_leafDir.upUrl();
+ QModelIndex dirIndex = m_dolphinModel->indexForUrl(parentUrl);
+ QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
+ m_treeView->setExpanded(proxyIndex, true);
+ selectLeafDirectory();
+}
- QItemSelectionModel* selModel = m_treeView->selectionModel();
- selModel->setCurrentIndex(index, QItemSelectionModel::Select);
- }
+
+void TreeViewSidebarPage::loadSubTree()
+{
+ m_treeView->selectionModel()->clearSelection();
+
+ if (m_leafDir.isParentOf(m_dirLister->url())) {
+ // The leaf directory is not a child of the base URL, hence
+ // no sub directory must be loaded or selected.
+ return;
+ }
+
+ const QModelIndex index = m_dolphinModel->indexForUrl(m_leafDir);
+ if (index.isValid()) {
+ selectLeafDirectory();
+ } else {
+ // Load all sub directories that need to get expanded for making
+ // the leaf directory visible. The slot triggerExpanding() will
+ // get invoked if the expanding has been finished.
+ m_dolphinModel->expandToUrl(m_leafDir);
}
}
-void TreeViewSidebarPage::updateActiveView(const QModelIndex& index)
+void TreeViewSidebarPage::scrollToLeaf()
{
- const KFileItem* item = m_dirModel->itemForIndex(index);
- if (item != 0) {
- const KUrl& url = item->url();
- mainWindow()->activeView()->setUrl(url);
+ const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_leafDir);
+ const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
+ if (proxyIndex.isValid()) {
+ m_treeView->scrollTo(proxyIndex);
}
}
-void TreeViewSidebarPage::connectToActiveView()
+void TreeViewSidebarPage::loadTree(const KUrl& url)
{
- const QWidget* parent = parentWidget();
- if ((parent == 0) || parent->isHidden()) {
+ Q_ASSERT(m_dirLister != 0);
+ m_leafDir = url;
+
+ m_horizontalPos = m_treeView->horizontalScrollBar()->value();
+
+ KUrl baseUrl = url;
+ if (url.isLocalFile()) {
+ // use the root directory as base for local URLs
+ baseUrl = KUrl("file:///");
+ } else {
+ // clear the path for non-local URLs and use it as base
+ baseUrl = url;
+ baseUrl.setPath(QString());
+ }
+
+ if (m_dirLister->url() != baseUrl) {
+ m_dirLister->stop();
+ m_dirLister->openUrl(baseUrl, KDirLister::Reload);
+ } else {
+ loadSubTree();
+ }
+}
+
+void TreeViewSidebarPage::selectLeafDirectory()
+{
+ const QModelIndex dirIndex = m_dolphinModel->indexForUrl(m_leafDir);
+ const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
+ if (!proxyIndex.isValid()) {
return;
}
- const DolphinView* view = mainWindow()->activeView();
- const KUrl& url = view->url();
+ if (m_setLeafVisible) {
+ // Invoke m_treeView->scrollTo(proxyIndex) asynchronously by
+ // scrollToLeaf(). This assures that the scrolling is done after
+ // the horizontal scrollbar gets visible (otherwise the scrollbar
+ // might hide the leaf).
+ QTimer::singleShot(100, this, SLOT(scrollToLeaf()));
+ m_setLeafVisible = false;
+ }
- connect(view, SIGNAL(urlChanged(const KUrl&)),
- this, SLOT(updateSelection(const KUrl&)));
+ QItemSelectionModel* selModel = m_treeView->selectionModel();
+ selModel->setCurrentIndex(proxyIndex, QItemSelectionModel::Select);
- updateSelection(url);
+ m_treeView->horizontalScrollBar()->setValue(m_horizontalPos);
}
#include "treeviewsidebarpage.moc"
projects / dolphin.git / blobdiff