X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/862c090bf3be00b3016adfa5c7c0bd40ba409ca3..6be0981c7db34e10d20320c380c90c572f75ccf2:/src/treeviewsidebarpage.cpp diff --git a/src/treeviewsidebarpage.cpp b/src/treeviewsidebarpage.cpp index 29213ebcd..82e2a0507 100644 --- a/src/treeviewsidebarpage.cpp +++ b/src/treeviewsidebarpage.cpp @@ -19,125 +19,227 @@ #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 +#include +#include -#include -#include +#include #include -#include +#include +#include -TreeViewSidebarPage::TreeViewSidebarPage(DolphinMainWindow* mainWindow, - QWidget* parent) : - SidebarPage(mainWindow, parent), +TreeViewSidebarPage::TreeViewSidebarPage(QWidget* parent) : + SidebarPage(parent), m_dirLister(0), - m_dirModel(0), - m_treeView(0) + m_dolphinModel(0), + m_proxyModel(0), + m_treeView(0), + 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); - - // 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(updateViewUrl(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::setUrl(const KUrl& url) +{ + if (!url.isValid() || (url == SidebarPage::url())) { + return; + } + + SidebarPage::setUrl(url); + if (m_dirLister != 0) { + loadTree(url); + } } void TreeViewSidebarPage::showEvent(QShowEvent* event) { + if (event->spontaneous()) { + SidebarPage::showEvent(event); + return; + } + + 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); + + 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); + } + + loadTree(url()); SidebarPage::showEvent(event); - connectToActiveView(); } -void TreeViewSidebarPage::updateSelection(const KUrl& url) +void TreeViewSidebarPage::contextMenuEvent(QContextMenuEvent* event) { - // adjust the root of the tree to the base bookmark - KUrl baseUrl = BookmarkSelector::baseBookmark(url).url(); - if (m_dirLister->url() != baseUrl) { - m_dirLister->stop(); - m_dirLister->openUrl(baseUrl); - } + SidebarPage::contextMenuEvent(event); - // select the folder which contains the given url + const QModelIndex index = m_treeView->indexAt(event->pos()); + if (!index.isValid()) { + // only open a context menu above a directory item + return; + } - // TODO: check how Konqi does it before reinventing the wheel. The directory - // must already be loaded _before_ the index can be retrieved by - // KDirModel::indexForItem(). - QItemSelectionModel* selModel = m_treeView->selectionModel(); - selModel->clearSelection(); + const QModelIndex dolphinModelIndex = m_proxyModel->mapToSource(index); + KFileItem item = m_dolphinModel->itemForIndex(dolphinModelIndex); - KFileItem item(S_IFDIR, KFileItem::Unknown, url); - const QModelIndex index = m_dirModel->indexForItem(item); - if (index.isValid()) { - m_treeView->scrollTo(index); - m_treeView->setExpanded(index, true); + emit changeSelection(KFileItemList()); + TreeViewContextMenu contextMenu(this, item); + contextMenu.open(); +} - selModel->setCurrentIndex(index, QItemSelectionModel::Select); +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::updateViewUrl(const QModelIndex& index) +void TreeViewSidebarPage::dropUrls(const KUrl::List& urls, + const QModelIndex& index) { - KFileItem* item = m_dirModel->itemForIndex(index); - if (item != 0) { - const KUrl& url = item->url(); - mainWindow()->activeView()->setUrl(url); + 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::connectToActiveView() +void TreeViewSidebarPage::triggerExpanding() { - const QWidget* parent = parentWidget(); - if ((parent == 0) || parent->isHidden()) { + // the expanding of the folders may not be done in the context + // of this slot + QMetaObject::invokeMethod(this, "expandToLeafDir", Qt::QueuedConnection); +} + +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); +} + +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); + + // assure that m_leafDir gets selected + dirIndex = m_dolphinModel->indexForUrl(m_leafDir); + proxyIndex = m_proxyModel->mapFromSource(dirIndex); + m_treeView->scrollTo(proxyIndex); + + QItemSelectionModel* selModel = m_treeView->selectionModel(); + selModel->setCurrentIndex(proxyIndex, QItemSelectionModel::Select); +} + + +void TreeViewSidebarPage::loadSubTree() +{ + QItemSelectionModel* selModel = m_treeView->selectionModel(); + selModel->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; } - DolphinView* view = mainWindow()->activeView(); - const KUrl& url = view->url(); + const QModelIndex index = m_dolphinModel->indexForUrl(m_leafDir); + if (index.isValid()) { + // the item with the given URL is already part of the model + const QModelIndex proxyIndex = m_proxyModel->mapFromSource(index); + m_treeView->scrollTo(proxyIndex); + selModel->setCurrentIndex(proxyIndex, QItemSelectionModel::Select); + } 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); + } +} - m_dirLister->stop(); - m_dirLister->openUrl(url); - connect(view, SIGNAL(urlChanged(const KUrl&)), - this, SLOT(updateSelection(const KUrl&))); +void TreeViewSidebarPage::loadTree(const KUrl& url) +{ + Q_ASSERT(m_dirLister != 0); + m_leafDir = url; + + // adjust the root of the tree to the base place + KFilePlacesModel* placesModel = DolphinSettings::instance().placesModel(); + KUrl baseUrl = placesModel->url(placesModel->closestItem(url)); + if (!baseUrl.isValid()) { + // it's possible that no closest item is available and hence an + // empty URL is returned + baseUrl = url; + } - updateSelection(url); + if (m_dirLister->url() != baseUrl) { + m_dirLister->stop(); + m_dirLister->openUrl(baseUrl, KDirLister::Reload); + } else { + loadSubTree(); + } } #include "treeviewsidebarpage.moc"