I followed the file system example http://gmfsamples.tuxfamily.org/wiki/doku.php?id=gmf_tutorial1
what I wanted to do is not using the generated editor with its palette.
I created a new plugin with one view and I wanted to create a diagram programatically inside this view to show for instance 2 objects connected with link
I came across this answer GMF display diagram example
but it didn't help me a lot.
in createPartControl of my view I did
#Override
public void createPartControl(Composite parent) {
DiagramGraphicalViewer viewer = new DiagramGraphicalViewer();
viewer.createControl(parent);
RootEditPart root = EditPartService.getInstance().createRootEditPart(diagram);
viewer.setRootEditPart(root);
viewer.setEditPartFactory(new EcoreEditPartProvider());
viewer.getControl().setBackground(ColorConstants.listBackground);
viewer.setContents(diagram);
}
as in the answer but I didn't know how to get that "diagram" variable
The easiest would be use the same GraphicalViewer for your view and the same diagram as well. Just get your DiagramEditPart from the viewer and call disableEditMode() on it. (Do the appropriate type casting if necessary).
Related
I've been searching non-stop for this on the documentation but haven't been able to find any sort of information. I would like to know how to add checkboxes in my custom view container, similar to the breakpoints' checkboxes.
You can simulate the checkbox by playing with the icon, create a new TreeItem with a different icon when clicked.
Somehow they have knowledge on where on the TreeItem you click.
Looking with the dev tools, it is an <input type="checkbox"/>.
This means that you can do more with TreeItems than the docs explain.
Looking at the source code the BreakpointView is not implemented with a TreeItemProvider, it extends the ViewPane class and uses some kind of templates to render an item. Beside a checkbox it is also possible to have a combobox (SelectBox class).
I have added a feature request (101175) to extend the vscode API so extension developers can write Views with ViewItems that have additional UI-Elements like the Breakpoint view.
You can do this in the proposed api: treeItemCheckbox in Insiders v1.72 now and since it is a fairly simple new api I suspect it will be released with Stable 1.72.
You can play with this now, see using the proposed apis.
Instead of extending TreeItem you will extend TreeItem2 (which extends TreeItem) if you want to use checkboxes. Here is some sample code I put together:
export class TreeTab extends vscode.TreeItem2 {
...
if (tab.isActive) {
this.iconPath = new vscode.ThemeIcon("arrow-small-right", new vscode.ThemeColor("tab.unfocusedActiveBackground"));
this.checkboxState = vscode.TreeItemCheckboxState.Checked;
// this.checkboxState = {state: vscode.TreeItemCheckboxState.Checked, tooltip: "my nifty checkbox tooltip"};
}
...
and elsewhere in your code if you want to detect when that checkbox is clicked/unclicked:
// use your TreeView variable instead of 'tabView'
// from this.tabView = vscode.window.createTreeView(...);
const checkBoxListener = this.tabView.onDidChangeCheckboxState(async event => {
// event = {item: Array(n)}, which TreeItem's checkbox was clicked and its state after clicking:0/1 = on/off
console.log(event);
});
I have created a custom editor in eclipse plugin which shows a XML in Tree-Table(TreeViewer) format with couple of its attributes. For showing remaining attributes I am trying to tie it up with "Properties View", but not really able to make progress on it.
I went through similar question on SO like
How to handle property sheet from customized editor in eclipse plugin development? where it talk about make your viewer contribute to workbench selection and implementing an IPropertySource on object which is selected in editor.
In my case I am directly setting an document object in treeviewer input like below.
IFileEditorInput editorInput = (IFileEditorInput) getEditorInput();
IFile inputIFile = editorInput.getFile();
File f = new File(inputIFile.getLocation().toString());
try {
doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(f);
}
catch (SAXException | IOException | ParserConfigurationException e) {
e.printStackTrace();
}
//setting root element of doc as input
treeViewer.setInput(doc.getDocumentElement());
Now on what object should I implement an IPropertySource interface to contribute properties?
Let me know if I am going in right direction or missing something or doing it completely wrong.
Hope this make sense !!
When your selection provider fires a selection changed event the properties page will look at the new selection. If you are using a tree viewer as the provider the selection will be the current object from your tree content provider.
The properties view will try to get an IPropertySourceProvider from the selection. Your object can implement IPropertySourceProvider directly, or provide it view the IAdaptable interface or by using IAdapterFactory.
Once the view has the IPropertySourceProvier it will call the getPropertySource method. Your code must return an IPropertySource object - it is up to you to write this class.
This feature has been realized as of Kepler M4, for a detailed information on the usage see my blog
I want to realize a fully dynamic menu contribution to the menu of a handler located in a view toolbar. In Eclipse 3 it was possible to add "dynamic" as org.eclipse.ui.menus contribution to a Menu!
I already found out about www.vogella.com/blog/2010/10/26/processors-e4-model explaining on how to dynamically contribute to menus by means of processor model extensions but I am talking about a completely dynamic menu implementation which changes on every call of the resp. submenu. As mentioned this was no problem to realize in Eclipse 3.x via the dynamic menu contribution and the set of isDynamic() to true.
I already tried several approaches:
Registering a processor hooking to a menu => no dynamic add possible (new elements are simply not shown, also discussed in Eclipse Forum - Cannot replace menu items at runtime)
Listening to the UIEventTopic for the event of creating the menu, getting the widget for Modification => modifications to the swt.Menu gathered are simply ignored (every listener, element etc.) (for info RCP Event Model
Open, untried solutions
Inserting a ToolControl to try an SWT approach -> quite complicated but may work
I've been banging my head for some time now, but can't seem to understand the correct implementation of this problem within E4.
-- This question was also asked in Eclipse Forum - Dynamic menu contributions
----- UPDATE
I tried a different approach up to now:
I added a HandledToolItem to the Menu (please see the following image)
and with the following code I am trying to interfere with the menus way to build, where the code is called by the resp. command handleer as referenced in the image.
#CanExecute
public boolean canExecute(#Optional MApplication application) {
System.out.println("CanExecute Counter="+counter);
// --- 1 ---
// Find the required MMenu Entry in the Application Model
if(application == null) return true;
EModelService modelService = (EModelService) application.getContext().get(EModelService.class.getName());
MPart part = (MPart) modelService.find("at.medevit.emr.contacts.ui.contactselector", application);
List<MToolBarElement> lmte = part.getToolbar().getChildren();
HandledToolItemImpl htil = null;
for (MToolBarElement mToolBarElement : lmte) {
if(mToolBarElement.getElementId().equals("at.medevit.emr.contacts.ui.contactselector.toolbar.handledtoolitem.filter")) htil = (HandledToolItemImpl) mToolBarElement;
}
if(htil != null) {
MMenu elemMenu = htil.getMenu();
// --- 2 ---
// Found it hopefully, let's start the real work, simply add a new item
MDirectMenuItem mdi = MMenuFactory.INSTANCE.createDirectMenuItem();
mdi.setLabel("Counter "+counter);
counter++;
// --- 3 ---
elemMenu.getChildren().add(mdi); // ConcurrentModificationException
}
As one can see, this code is queried once the menu is created, to determine whether the command is executable or not. All the code from 1 - 2 is to find the correct MMenu element to work on. The code from 2 - 3 creates a MenuItem and increments a counter in the field.
BUT at 3 I face a java.util.ConcurrentModificationException the first time the menu is opened! I assume that at this very point the menu is iterating over elemMenu.getChildren() and I am not allowed to enable!
So whats all the fuzz about the entire e4 model being changeable all the time ;) (just kiddin' I know this is a baaaad hack!!!)
Thing is: I really think that the possibility to add fully dynamic menu parts is one of the best usability tools, and if it is not possible to realize it in E4 as it was in E3 this is a very serious degradation of possibilities!!!
-- UPDATE
An Eclipse Bug has been filed for this https://bugs.eclipse.org/bugs/show_bug.cgi?id=389063
Proper dynamic model updates should be handled in the bug you've opened. As a workaround in Eclipse4 in Juno, a MRenderedMenuItem can be created in Eclipse4 to provide the equivalent functionality to the dynamic element (although if you are using 4.2, you would just use org.eclipse.ui.menus).
ex:
ContextFunction generator = new ContextFunction() {
#Override
public Object compute(IEclipseContext context) {
return new MyCompoundContributionItem(context);
}
};
MRenderedMenuItem menuItem = MenuFactoryImpl.eINSTANCE.createRenderedMenuItem();
menuItem.setElementId(id);
menuItem.setContributionItem(generator);
container.getChildren().add(menuItem);
This effectively provides a CompoundContributionItem directly to the Eclipse4 menu renderer.
I am creating new Eclipse RCP application. I used "Hello RCP" as template project to create a new project. It works fine. Then I tried adding new menu. I used two extension points "org.eclipse.ui.commands" and "org.eclipse.ui.menu". I created handler class and also defined the menucontribution location uri(). But my menu is not showing up. I strongly suspect my location uri is wrong. But I dont know how to correct it. I have pasted my plugin.xml contents here. Let me know if anyone has a solution. I am following the steps given here http://zenit.senecac.on.ca/wiki/index.php/Add_Menu_to_RCP_Application
You can use ApplicationActionbarAdvisor class to define menus and commands for toolbar as well as menubar.
Firstly you have to declare the commands you want to add in your app like below:
private IWorkbenchAction newAction
Then with the help of ActionFactory class, you have to define the commands in makeActions() method like below:
newAction = ActionFactory.NEW_WIZARD_DROP_DOWN.create(window);
register(newAction);
newAction.setText("New");
Now, after declaration you have to add the commands in menus by using fillMenuBar(IMenuManager menuBar) method :
MenuManager filemenu = new MenuManager("&File", "file");
filemenu.add(newAction);
and if you want to add this command in toolbar, then you have to use following method:
protected void fillCoolBar(ICoolBarManager coolBar) {
IToolBarManager toolbar = new ToolBarManager(coolBar.getStyle());
coolBar.add(toolbar);
toolbar.add(newAction);
Sometimes, you have to use IContributionIem class for declaring commands because all the commands are not in IWorkbenchAction class.
Note: If you are using iContributionItem class then declaration and defination code will be replaced as follws:
IContributionItem show_view;
show_view = ContributionItemFactory.VIEWS_SHORTLIST.create(window);
and rest will be same.
I want to add a new custom component in the Web page Editor Palete named "myHTMLComponent".
So, as soon as user opens any html page with WPE, myHTMLComponentM should be present there.
How can I do the needful, moreover this component will as well need to generate the code changes accordingly. How to achieve the desired result.
Is there any input I can get for this.
I already created standardmetadata tag, but what next!
Finally, I found the solution of the problem.
For adding new categories in the palette, we need to use pagedesignerextension in plugin.xml as following -
<extension
point="org.eclipse.jst.pagedesigner.pageDesignerExtension">
<paletteFactory
class="com.comp.myeditor.palette.CustomEditorPaletteFactory">
</paletteFactory>
</extension>
Where CustomEditorPaletteFactory will be extending AbstractPaletteFactory. Here in createPaletteRoot(), we can add our category.
public PaletteRoot createPaletteRoot(IEditorInput editorInput){
PaletteRoot paletteRoot = new PaletteRoot();
paletteRoot.add(createStandardComponents());
return paletteRoot;
//return null;
}
private static PaletteContainer createStandardComponents() {
PaletteDrawer componentsDrawer = new PaletteDrawer("CustomHTMLComponent");
TagToolPaletteEntry paletteEntry = new TagToolPaletteEntry(
new FormPaletteComponent(".....);
componentsDrawer.add(paletteEntry);
return componentsDrawer;
}
This will create the component category in the palette and we can add as many components as needed using the componentsdrawer.
For adding a new category in the existing one -
Add this in the constructor -
super();
this._paletteContext = PaletteItemManager.createPaletteContext(file);
this._manager = PaletteItemManager.getInstance(_paletteContext);
Then use Palette Grouping like this -
PaletteGroup controls = new PaletteGroup("CUST HTML");
super.add(controls);
ToolEntry tool = new SelectionToolEntry("CUST Cursor",
"Cursor DESCRIPTION");
controls.add(tool);
setDefaultEntry(tool);
//Custom Marquee
controls.add(new MarqueeToolEntry("Marquee", "Marquee Desc"));
controls.add(new PaletteSeparator());
//This class maintins or load all categories features
controls.add(new CustomComponentToolEntry("Custom Component", "Custom Component Descrition",
This really is a good start but I can't find any tutorial or book that get deeper in this matter. For instance, I don't want to replace the default palette but this code does with "new PaletteRoot()" and I lost my HTML tags. Also I want that my new custom components behave as HTML Tags using Drag and Drop, but I don't know how?????????
More Info:
I discovered this code, that was very helpful, whereas file come from ((FileEditorInput)editorInput).getFile()
PaletteRoot paletteRoot = DesignerPaletteRootFactory.createPaletteRoot(file);
This is very interesting topic and I think we are pioneer documenting this feature of eclipse. Here other good point, I want to personalize the tag... e.g. something similiar what I want to achieve is add a tag like "MY TRUEFALSE TAG" and then when is selected and place it in the HTML Designer, I want to become something like <select><option>YES</option><option>NO</option></select> and I guess that I can achieve it by doing something with the tagTransformOperation extension... if you know how to implement it, please let me know. also there is others extensions(tagConverterFactory, elValueResolver). I am guessing here! please I would like your help.
<extension point="org.eclipse.jst.pagedesigner.pageDesignerExtension">
<paletteFactory ...>
<tagTransformOperation id="plugin.tagTransformOperation1XXXXXX">...
SOLUTION?? (Chinese) -solved with tagConverterFactory
http://www.blogjava.net/reloadcn/archive/2007/11/08/webeditor1.html