/*******************************************************************************
* Copyright (c) 2008, 2016 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
******************************************************************************/
package org.eclipse.ui.examples.contributions.editor;
import java.util.ArrayList;
import java.util.HashMap;
import org.eclipse.jface.action.ContributionItem;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.MenuItem;
import org.eclipse.ui.IEditorReference;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.actions.CompoundContributionItem;
import org.eclipse.ui.examples.contributions.ContributionMessages;
import org.eclipse.ui.examples.contributions.model.PersonInput;
import org.eclipse.ui.menus.CommandContributionItem;
import org.eclipse.ui.menus.CommandContributionItemParameter;
/**
* Provide a dynamic list of open editors to activate.
*
* @since 3.4
*/
public class DynamicEditorList extends CompoundContributionItem {
private static final IContributionItem[] EMPTY = new IContributionItem[0];
private static class NobodyHereContribution extends ContributionItem {
@Override
public void fill(Menu menu, int index) {
MenuItem item = new MenuItem(menu, SWT.NONE, index);
item.setText(ContributionMessages.DynamicEditorList_label);
item.setEnabled(false);
}
}
@Override
protected IContributionItem[] getContributionItems() {
// maybe we can find a better way for contributed IContributionItems
IWorkbenchWindow window = PlatformUI.getWorkbench()
.getActiveWorkbenchWindow();
if (window == null) {
return EMPTY;
}
IWorkbenchPage page = window.getActivePage();
if (page == null) {
return EMPTY;
}
IEditorReference[] editors = page.getEditorReferences();
ArrayList<IContributionItem> menuList = new ArrayList<>();
int editorNum = 1;
for (int i = 0; i < editors.length && editorNum < 10; i++) {
try {
if (editors[i].getId().equals(InfoEditor.ID)) {
menuList.add(createItem(editorNum++, editors[i]));
}
} catch (PartInitException e) {
}
}
if (menuList.isEmpty()) {
menuList.add(new NobodyHereContribution());
}
return menuList.toArray(new IContributionItem[menuList.size()]);
}
@SuppressWarnings("unchecked")
private IContributionItem createItem(int i, IEditorReference ref)
throws PartInitException {
CommandContributionItemParameter p = new CommandContributionItemParameter(
PlatformUI.getWorkbench(), null, ActivateEditorHandler.ID,
CommandContributionItem.STYLE_PUSH);
p.parameters = new HashMap<>();
PersonInput editorInput = (PersonInput) ref.getEditorInput();
p.parameters.put(ActivateEditorHandler.PARM_EDITOR, editorInput.getIndex());
String menuNum = Integer.toString(i);
p.label = menuNum + " " + ref.getTitle(); //$NON-NLS-1$
p.mnemonic = menuNum;
return new CommandContributionItem(p);
}
}