Eclipse plug-in/product - force top-level coolbar layout? - eclipse-plugin

I have an Eclipse product defined in a plugin - it does not define its own Application class (i.e. no custom implementation of IApplication). I am using some dynamic drop-down items in the main toolbar, defined in plugin.xml. I am building the Product using the Eclipse 4.3 (Kepler) platform.
At runtime, I would like the toolbar items to show which of the drop-down items are currently selected. For generic items, I use an icon, but for non-generic items I would like to show some identifying text. The identifying text is not always of the same length.
I am using an IElementUpdater to update the drop-down items and also the toolbar item. Everything works fine, except that the coolbar/toolbar/trimbar does not re-layout. If the new text is longer than the text it is replacing, or if I switch from icon to text or vice-versa, the toolbar appears empty - not even the drop-down arrow is showing. My test team reports that the Drop-down tool item "disappears", which is a pretty good description of the experience.
Is there any way to force the main toolbar/coolbar/trimbar complex re-layout?
I have done some research and it seems that I might be able to do this by defining my own IApplication implementation and capturing the Coolbar/Toolbar manager using an ActionBarAdvisor subclass for later calls to layout(). This is a pretty heavyweight solution - is there any other?

You can always retrieve toolbar manager from PartSite. There are also subclasses EditorSite and ViewSite:
IWorkbenchPartSite site = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActivePart().getSite();
ToolBarManager mgr = null;
if (site instanceof IEditorSite) {
IEditorSite editorSite = (IEditorSite) site;
mgr = (ToolBarManager) editorSite.getActionBars().getToolBarManager();
} else if (site instanceof IViewSite) {
IViewSite viewSite = (IViewSite) site;
mgr = (ToolBarManager) viewSite.getActionBars().getToolBarManager();
}
Or if you know there is an active editor available:
PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage().getActiveEditor().getEditorSite().getActionBars().getToolBarManager();
Or inside of a view:
ToolBarManager mgr = getViewSite().getActionBars().getToolBarManager();
Then you will get a possibity to layout it:
mgr.getControl().layout(true);

Related

Revive/activate existing panels

My extension have sidebar webview that can create additional webviews as panels in the active text editor. Each of these additional webviews is for an unique item and I want to revive/activate existing webview, for the specific item, if it exists.
My issues:
I can get a list of the existing tabs with window.tabGroups.all and loop through the result. But there is no way, as far as i can see, to reactivate the desired tab. I can get some properties from there but no methods. The question here is: is there a API to get a list of the tabs and be able to revive/activate it?
Because of the first point ive decided to keep list of the instances of the additional webviews and when new webview is about the be created im checking if its unique id (in the title) is in the list and if it is then just revive the tab instead of creating a new one. Dont like this approach much but its working. The problem here is when the additional webview is closed. When closed it has to be removed from the array. Ive implemented onDidDispose for the panel but somehow the filter function, inside it, is not called:
// panels: vscode.WebviewPanel[]
// create new panel
const panel = vscode.window.createWebviewPanel(...)
// add the webview instance to the panel
const newWebview = new AdditionalWebview(panel, this.context);
this.panels.push(panel);
panel.onDidDispose(() => {
console.log("Before remove the panel"); // can see this in the console
this.panels = this.panels.filter((p) => p.title != panel.title);
console.log("Before remove the panel"); // for some reason this never appears
});
Not sure why but the panel filter functionality is never triggered (and everything after it is also not ran).
extra question: at the moment the uniqueness of the additional panels is based on their label/title. In my case thats is ok but is there any other way to get unique identifier of each tab? id/guid somewhere?
On your first question about activating a given editor, you have a couple of options.
If you know the editor's index/position in its group. That can be obtained from its tabGroup.tabs position - it seems that the tab's index in that array is faithfully its index in the editor. So you could do a Array.findIndex to get the tab uri you want to set to active.
await vscode.commands.executeCommand('workbench.action.openEditorAtIndex', [indexToOpen]);
// note the [] around the index argument
The only problem with this approach is that it works within the active group only, so you may have to activate the correct group first via:
await vscode.commands.executeCommand('workbench.action.focusSecondEditorGroup');
// or whichever group the tab you want to open is in
Or second method:
// assumes you have the tab
const openOptions = { preserveFocus: true, preview: tab.isPreview, viewColumn: tab.group.viewColumn};
// check if a uri, might be viewtype, etc., instead
if (tab.input instanceof vscode.TabInputText) {
await vscode.commands.executeCommand('vscode.open', tab.input.uri, openOptions);
}
// are your editors regular text editors?
This looks like it is opening a new tab but it will focus an existing tab if one exists at that location with that same uri.

Why does NavigationView.ContainerFromMenuItem() return null except when executed from an event handler?

I am developing a WinUI3 app containing a NavigationView. The NV uses an observable collection to populate the NavigationViewItems.
The app must support expanding and collapsing NavigationViewItems programmatically. The only way I know of to do that is to set NavigationViewItem.IsExpanded = true. And the only way I know of to get the NavigationViewItem is through NavigationView.ContainerFromMenuItem().
The trouble is, ContainerFromMenuItem always returns null except when it is executed from a button event handler (such as a Click handler). The app must perform expand/collapse without user input.
For example, I have a button that launches a Click event with this code, which works just fine to toggle an NVItem:
Category selectedItem = (Category)navview.SelectedItem;
int idx1 = Categories.IndexOf(selectedItem);
var container = (NavigationViewItem)NavView.ContainerFromMenuItem(Categories[idx1]);
if (container != null)
{
container.IsExpanded = !container.IsExpanded;
}
However, that same code, when executed during app startup, such as in the MainWindow constructor after some test items are created, or in Attach(), always results in container being null.
So what am I doing wrong?
This question is somewhat similar to UWP: NavigationView.MenuItems results empty if populated programmatically but the answer to that one only deals with in-event use of ContainerFromMenuItem().
Thanks very much for any assistance on this.

TableView delete column via contextual menu

It is my first time asking here, sorry if i do something wrong (also not in my mother tongue).
Recently, i moved from Swing&AWT to JavaFX.
I am discovering the new Table which is quite different from the Swing version. Better i would say, it needs less operation and do more things, but ... lord, it's way more difficult to understand !
I am currently trying to modify the TableView dynamically. While the addColumn method is not a big challenge, i need help for my deleteColumn method :/
Let's talk about my problem :
I have a scene with many components on it (panes, buttons, menus, ...) and one pane (actually an anchorpane) hosts a TableView.
I would like to dynamically delete an entire column when this operation occurs :
The user right clicks on the TableView > a contextual menu shows up > he selects the item "delete"
So, basically a contextual menu that offers the option to delete the column where the user right-clicked.
I tried this :
-> When the user right-clicks on the TableView, this method is called :
public void setTargetForContext(ContextMenuEvent event){
if(event.getTarget() instanceof Label){
ObservableList list =(((Label)event.getTarget()).getChildrenUnmodifiable());
activeColumn = ((Text)((ObservableList)list)).getText();
}...
And the goal was to set the column name in "activeColumn".
Then, when the user will select the "delete" option from the contextual menu, another method would be called to compare the name of the columns and delete the right one.
But it seems that i can't call a getChildren() method on the label, only an unmodifiable one. And it does not allow a cast and throw the exception.
Do you have a solution to allow me to get the column name ?
Or maybe i am going the wrong way and i have to find another way to delete the right-clicked column, but in this case i will need your help too.
Thanks a lot for reading, and thanks in advance for your help.
First, let me point out that if you call
table.setTableMenuButtonVisible(true);
then the table will have a built-in menu button with radio buttons allowing the user to select which columns are displayed. Maybe this is all you need.
In Swing, the renderers for table cells are just "rubber stamps" that are painted onto the table. Thus you can't register listeners for UI events with them.
By contrast, in JavaFX, the cells in a table are real UI controls with full functionality. This means there's no real need for API that gets the cell coordinates from a table. You should not register your listener with the TableView, but with the actual cells on which you want to operate. You access the cells from the table column's cell factory.
// the table:
TableView<RowDataType> table = new TableView<>();
//...
// A table column:
TableColumn<RowDataType, CellDataType> column = new TableColum<>("Header text");
// A context menu for the table column cells:
ContextMenu contextMenu = new ContextMenu();
MenuItem deleteColumnItem = new MenuItem("Remove Column");
deleteColumnItem.setOnAction(e -> table.getColumns().remove(column));
contextMenu.getItems().add(deleteColumnItem);
// Cell factory for the column
column.setCellFactory(col -> {
// basically a cell with default behavior:
TableCell<RowDataType, CellDataType> cell = new TableCell<RowDataType, CellDataType>() {
#Override
public void updateItem(CellDataType item, boolean empty) {
super.updateItem(item, empty);
if (item == null) {
setText(null);
} else {
setText(item.toString());
}
}
});
// add the context menu to the cell:
cell.setContextMenu(contextMenu);
return cell ;
});
If you want the context menu to appear in the table column header as well, you just need to do
column.setContextMenu(contextMenu);

How to automate a splitButton using Rautomation ( adapter msuia)

I am trying to automate IE11 notification bar ( while downloading file) using Rautomation. Using MSUIA adapter I am able to catch the the save button. But I want to use Save As to supply the file location and name. But I cannot do that.
When seeing with UIspy I see that there is a splitbutton with name "Save". This splitbutton has another child splitbutton with name "" ( which is basically the down arrow) - I am not able to get to this control.
iemainwindow_local = RAutomation::Window.new(:class=>"IEFrame" , :adapter => :ms_uia )
ienotificationbar_frame = iemainwindow_local.child(:class=>"Frame Notification Bar")
ienotificationbar = ienotificationbar_frame.child(:class=>"DirectUIHWND")
if ienotificationbar.exists?
ienotificationbar.activate
sleep 1
mycontrol = ienotificationbar.control(:value =>"Save")
mycontrol2= mycontrol.control(:children_only => true)
mycontrol2.exist?
mycontrol.click
end
Getting error at this line mycontrol2= mycontrol.control(:children_only => true)
undefined method `control' for #<RAutomation::Adapter::MsUia::Control:0x4108e60>
Any idea how to get over this block?
I understand that there should be a menu and menuitems associated with the splitButton and when I click on down arrow besides Save, at UISpy I see that menu/ menu item is getting created directly under Desktop window ( though the processID is same ) - how to catch the menuitem Save as?
The Problem
Unfortunately, the :ms_uia adapter for RAutomation is not able to do this in its current form. I know this because I have written a lot of the UIA adapter for it :) The problem is that the current API doesn't allow you to really walk the tree like that (as you found out) because the Control class doesn't have a #control method. If the "Save" button had a native window handle, you'd be able to do this:
ieframe = RAutomation::Window.new(class: 'IEFrame')
save = RAutomation::Window.new(hwnd: ieframe.control(value: 'Save').hwnd)
save.control(index: 0)
Since it does not, unfortunately there isn't a reliable way to get down to it that I am aware of since it doesn't have any identifying properties about it (other than being a child of the "Save" button).
Alternative
I've written another gem called uia, which acts as a low-level wrapper around UI Automation and allows you to work more closely with UI Automation and interact with it how you see it within tools like UI Spy. Eventually, I will use this gem in RAutomation but have not had the time yet. To get down to the "Save As..." split button control in your circumstance, you can do this:
ieframe = UIA.find_element(title: /Thanks for downloading/)
save_as = ieframe.find(name: 'Save').find(control_type: :split_button)
save_as.as(:invoke).invoke
The save_as.as(:invoke) will treat the found "Save As" Element as something that implements the Invoke pattern, and then you can call the #invoke method to get the menu to pop.
Hope this helps!

netbeans rcp adding to topcomponent at runtime

I am working on a netbeans RCP desktop application and have a need to add components dynamically. For example, I have a button which if I click on the menu should add components to the window at runtime. I have an actionlistener for the button and I added the following code in the action performed, but am not seeing the new component added. Any help is appreciated.
TopComponent editorTopComponent = WindowManager.getDefault().findTopComponent("componentId");
editorTopComponent.add(new JButton("TEST"));
editorTopComponent.validate();
editorTopComponent.repaint();
editorTopComponent.updateUI();
Thanks
If you want create now instance (more then one), then you can use :
MyTopComponent my = new MyTopComponent();
my.open();
my.requestActive();
if you want open TC in one instance (only), then you can use:
TopComponent editor= WindowManager.getDefault().findTopComponent("componentId");
if(editor!=null){
JPanel x =editor.getMyPanel();
x.setVisible(false);
//some changes
x.setVisible(true);
if(!editor.isOpened())editor.open();
}
Jirka