/*! \brief Displayed the currently selected file.
*/
void showFile() {
if (gitView_->selectedIndexes().empty())
return;
WModelIndex selected = *gitView_->selectedIndexes().begin();
sourceView_->setIndex(selected);
}
/*! \brief Creates the folder WTreeView
*/
WTreeView *folderView() {
WTreeView *treeView = new FolderView();
/*
* To support right-click, we need to disable the built-in browser
* context menu.
*
* Note that disabling the context menu and catching the
* right-click does not work reliably on all browsers.
*/
treeView->setAttributeValue
("oncontextmenu",
"event.cancelBubble = true; event.returnValue = false; return false;");
treeView->setModel(folderModel_);
treeView->resize(200, WLength::Auto);
treeView->setSelectionMode(SingleSelection);
treeView->expandToDepth(1);
treeView->selectionChanged()
.connect(this, &TreeViewDragDrop::folderChanged);
treeView->mouseWentUp().connect(this, &TreeViewDragDrop::showPopup);
folderView_ = treeView;
return treeView;
}
/*! \brief Change the filter on the file view when the selected folder
* changes.
*/
void folderChanged() {
if (folderView_->selectedIndexes().empty())
return;
WModelIndex selected = *folderView_->selectedIndexes().begin();
boost::any d = selected.data(UserRole);
if (!d.empty()) {
std::string folder = boost::any_cast<std::string>(d);
// For simplicity, we assume here that the folder-id does not
// contain special regexp characters, otherwise these need to be
// escaped -- or use the \Q \E qutoing escape regular expression
// syntax (and escape \E)
fileFilterModel_->setFilterRegExp(folder);
}
}
/*! \brief Setup the user interface.
*/
void createUI() {
WContainerWidget *w = root();
w->setStyleClass("maindiv");
/*
* The main layout is a 3x2 grid layout.
*/
WGridLayout *layout = new WGridLayout();
layout->addWidget(createTitle("Folders"), 0, 0);
layout->addWidget(createTitle("Files"), 0, 1);
layout->addWidget(folderView(), 1, 0);
layout->setColumnResizable(0);
// select the first folder
folderView_->select(folderModel_->index(0, 0, folderModel_->index(0, 0)));
WVBoxLayout *vbox = new WVBoxLayout();
vbox->addWidget(fileView(), 1);
vbox->addWidget(pieChart(), 1);
vbox->setResizable(0);
layout->addLayout(vbox, 1, 1);
layout->addWidget(aboutDisplay(), 2, 0, 1, 2);
/*
* Let row 1 and column 1 take the excess space.
*/
layout->setRowStretch(1, 1);
layout->setColumnStretch(1, 1);
w->setLayout(layout);
}
/*! \brief Show a popup for a folder item.
*/
void showPopup(const WModelIndex& item, const WMouseEvent& event) {
if (event.button() == WMouseEvent::RightButton) {
// Select the item, it was not yet selected.
if (!folderView_->isSelected(item))
folderView_->select(item);
if (!popup_) {
popup_ = new WPopupMenu();
popup_->addItem("icons/folder_new.gif", "Create a New Folder");
popup_->addItem("Rename this Folder")->setCheckable(true);
popup_->addItem("Delete this Folder");
popup_->addSeparator();
popup_->addItem("Folder Details");
popup_->addSeparator();
popup_->addItem("Application Inventory");
popup_->addItem("Hardware Inventory");
popup_->addSeparator();
WPopupMenu *subMenu = new WPopupMenu();
subMenu->addItem("Sub Item 1");
subMenu->addItem("Sub Item 2");
popup_->addMenu("File Deployments", subMenu);
/*
* This is one method of executing a popup, which does not block a
* thread for a reentrant event loop, and thus scales.
*
* Alternatively you could call WPopupMenu::exec(), which returns
* the result, but while waiting for it, blocks the thread.
*/
popup_->aboutToHide().connect(this, &TreeViewDragDrop::popupAction);
}
if (popup_->isHidden())
popup_->popup(event);
else
popup_->hide();
}
}