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/*******************************************************************************
* Copyright (c) 2006 Ken Gilmer. All rights reserved. This
* program and the accompanying materials are made available under the terms of
* the Eclipse Public License v1.0 which accompanies this distribution, and is
* available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: Ken Gilmer - initial API and implementation
******************************************************************************/
package org.eclipse.ecf.example.collab.editor.actions;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ecf.example.collab.editor.Activator;
import org.eclipse.ecf.example.collab.editor.listeners.EditorListener;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.editors.text.TextFileDocumentProvider;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.texteditor.AbstractTextEditor;
import org.eclipse.ui.texteditor.DocumentProviderRegistry;
import org.eclipse.ui.texteditor.IDocumentProvider;
/**
* This action is used to initiate a shared session.
*
* @author kgilmer
*/
public class InitiateSharedSessionAction extends Action implements
IObjectActionDelegate {
private IWorkbenchPart targetPart;
private IFile file;
public void setActivePart(IAction action, IWorkbenchPart targetPart) {
this.targetPart = targetPart;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
*/
public void run(IAction action) {
targetPart.getSite().getShell().getDisplay().asyncExec(new Runnable() {
public void run() {
try {
IWorkbenchWindow window = targetPart.getSite()
.getWorkbenchWindow();
IWorkbench workbench = window.getWorkbench();
IEditorDescriptor editorDescriptor = workbench
.getEditorRegistry().getDefaultEditor(
file.getName());
// There is no direct file type association. Use the
// default.
if (editorDescriptor == null) {
editorDescriptor = workbench.getEditorRegistry()
.findEditor("org.eclipse.ui.DefaultTextEditor");
}
if (editorDescriptor == null) {
// Give up, can't get an editor.
Activator
.getDefault()
.getLog()
.log(
new Status(
IStatus.ERROR,
Activator.PLUGIN_ID,
0,
"Failed to get editor for file. Aborting shared editing session.",
null));
return;
}
// Open the default editor for the selected file.
IEditorPart editorPart = window.getActivePage()
.openEditor(new FileEditorInput(file),
editorDescriptor.getId());
// Create ECF container and begin sharing.
if (editorPart instanceof AbstractTextEditor) {
IEditorInput editorInput = editorPart.getEditorInput();
IDocumentProvider dp = DocumentProviderRegistry
.getDefault().getDocumentProvider(editorInput);
AbstractTextEditor textEditor = (AbstractTextEditor) editorPart;
IDocument document = dp.getDocument(editorPart
.getEditorInput());
if (document != null) {
EditorListener listener = new EditorListener(
document, textEditor, true);
document.addDocumentListener(listener);
} else {
if (dp instanceof TextFileDocumentProvider) {
((TextFileDocumentProvider) dp)
.connect(editorPart.getEditorInput());
document = ((TextFileDocumentProvider) dp)
.getDocument(editorPart
.getEditorInput());
if (document != null) {
EditorListener listener = new EditorListener(
document, textEditor, true);
document.addDocumentListener(listener);
return;
}
}
Activator
.getDefault()
.getLog()
.log(
new Status(
IStatus.ERROR,
Activator.PLUGIN_ID,
0,
"Unable to get reference to editor's document. Shared session not created.",
null));
}
}
} catch (CoreException e) {
Activator.getDefault().getLog().log(
new Status(IStatus.ERROR, Activator.PLUGIN_ID, 0, e
.getLocalizedMessage(), e));
}
}
});
}
public void selectionChanged(IAction action, ISelection selection) {
if (selection instanceof IStructuredSelection) {
IStructuredSelection iss = (IStructuredSelection) selection;
Object obj = iss.getFirstElement();
if (obj instanceof IFile) {
file = (IFile) obj;
} else if (obj instanceof IAdaptable) {
file = (IFile) ((IAdaptable) obj).getAdapter(IFile.class);
}
}
}
}
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