[news.eclipse.tools] Re: Using editors from IEditorRegistry from another

[jbognar@xxxxxxxxxx (James Bognar)]

Ignore this post.  I figured out why it wasn't working.  I was trying to
open up an IStorageEditorInput in the jdt java editor.  The editor throws
an exception if you pass it anything other than an IFileEditorInput.

James Bognar wrote:

> I need to find out if it's possible to use an editor from the
> IEditorRegistry in my own plugin (I'm working on Asset Locator, if your
> interested).
> From the plugin's perspective, a user is going to be viewing the contents
> of a variety of file types.  What I want is to be able to show the
> contents of a file using the current preferred editor for a given file
> type.  If no preferred editor exists, I would display it using the
> org.eclipse.ui.DefaultTextEditor.    

> Here's a sample of code of what I'm trying to do. 

> ------------------------------------------------------------
> // Assume these are initialized...
> IWorkbenchPage workbenchPage;
> IEditorRegistry editorRegistry;
> IStorageEditorInput storageEditorInput;   
> String fileName;

> IEditorDescriptor defaultEditor = editorRegistry.getDefaultEditor();
> IEditorDescriptor preferredEditor =
> editorRegistry.getDefaultEditor(fileName);
> workbenchPage.setEditorAreaVisible(true);
> if (preferredEditor != null)
>    workbenchPage.openEditor(storageEditorInput, preferredEditor.getId());
> else
>    workbenchPage.openEditor(storageEditorInput, defaultEditor.getId());
> ------------------------------------------------------------

> Here's the exception that I get when I try to use anything other
> than a org.eclipse.ui.DefaultTextEditor:

> ------------------------------------------------------------
> org.eclipse.ui.PartInitException: Invalid resource type for null.
>         at
>
org.eclipse.ui.texteditor.AbstractTextEditor.init(AbstractTextEditor.java:1294)
>         at
> org.eclipse.ui.internal.EditorManager$2.run(EditorManager.java:379)
>         at
> org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:9
>         at
> org.eclipse.ui.internal.EditorManager.openInternalEditor(EditorMana
>         at
> org.eclipse.ui.internal.EditorManager.openInternalEditor(EditorMana
>         at
> org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java
>         at
> org.eclipse.ui.internal.EditorManager.openEditor(EditorManager.java
>         at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java
>         at
> org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java
>         at
> com.ibm.etools.assetlocator.views.ContentView.setContent(ContentVie
>         at
> com.ibm.etools.assetlocator.views.ResultViewer$SelectionChangedList
>         at
> org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:1
>         at
> org.eclipse.jface.viewers.StructuredViewer.updateSelection(Structur
>         at
> org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredV
>         at
> org.eclipse.jface.viewers.TableViewer$1.widgetSelected(TableViewer.
>         at
> org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.jav
>         at
> org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java(Compil
>         at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:622)
>         at
> org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:1277
>         at
> org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:1087)
>         at
> org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:639)
>         at org.eclipse.ui.internal.Workbench.run(Workbench.java:622)
>         at
> org.eclipse.core.internal.boot.InternalBootLoader.run(InternalBootL
>         at org.eclipse.core.boot.BootLoader.run(BootLoader.java:285)
>         at java.lang.reflect.Method.invoke(Native Method)
>         at org.eclipse.core.launcher.Main.basicRun(Main.java:119)
>         at org.eclipse.core.launcher.Main.run(Main.java:401)
>         at org.eclipse.core.launcher.UIMain.main(UIMain.java:52)
> ------------------------------------------------------------

> Any help would be appreciated....
> Thanx.