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/*******************************************************************************
* Copyright (c) 2001, 2009 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.wst.xsd.ui.internal.editor;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.gef.editparts.ZoomManager;
import org.eclipse.gef.ui.actions.ActionRegistry;
import org.eclipse.gef.ui.actions.GEFActionConstants;
import org.eclipse.gef.ui.actions.ZoomComboContributionItem;
import org.eclipse.gef.ui.actions.ZoomInRetargetAction;
import org.eclipse.gef.ui.actions.ZoomOutRetargetAction;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorActionBarContributor;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.ui.actions.ActionFactory;
import org.eclipse.ui.actions.RetargetAction;
import org.eclipse.ui.part.MultiPageEditorActionBarContributor;
import org.eclipse.ui.part.MultiPageEditorPart;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;
import org.eclipse.wst.sse.ui.internal.ISourceViewerActionBarContributor;
import org.eclipse.wst.xsd.ui.internal.actions.IXSDToolbarAction;
import org.eclipse.wst.xsd.ui.internal.adt.actions.CaptureScreenAction;
import org.eclipse.wst.xsd.ui.internal.adt.actions.DeleteAction;
/**
* Manages the installation/deinstallation of global actions for multi-page
* editors. Responsible for the redirection of global actions to the active
* editor. Multi-page contributor replaces the contributors for the individual
* editors in the multi-page editor.
*/
public class XSDMultiPageEditorContributor extends MultiPageEditorActionBarContributor
{
private IEditorPart activeEditorPart;
private InternalXSDMultiPageEditor xsdEditor;
protected ITextEditor textEditor;
protected IEditorActionBarContributor sourceViewerActionContributor = null;
protected List fPartListeners= new ArrayList();
ZoomInRetargetAction zoomInRetargetAction;
ZoomOutRetargetAction zoomOutRetargetAction;
Action captureScreenAction;
ZoomComboContributionItem zoomComboContributionItem;
/**
* Creates a multi-page contributor.
*/
public XSDMultiPageEditorContributor()
{
super();
sourceViewerActionContributor = new SourcePageActionContributor();
zoomInRetargetAction = new ZoomInRetargetAction();
zoomInRetargetAction.setImageDescriptor(XSDEditorPlugin.getImageDescriptor("icons/etool16/zoomplus.gif"));
zoomOutRetargetAction = new ZoomOutRetargetAction();
zoomOutRetargetAction.setImageDescriptor(XSDEditorPlugin.getImageDescriptor("icons/etool16/zoomminus.gif"));
captureScreenAction = new CaptureScreenAction();
fPartListeners.add(zoomInRetargetAction);
fPartListeners.add(zoomOutRetargetAction);
}
/**
* Returns the action registed with the given text editor.
*
* @return IAction or null if editor is null.
*/
protected IAction getAction(ITextEditor editor, String actionID)
{
return (editor == null ? null : editor.getAction(actionID));
}
/*
* (non-JavaDoc) Method declared in
* AbstractMultiPageEditorActionBarContributor.
*/
public void setActivePage(IEditorPart part)
{
if (activeEditorPart == part)
return;
activeEditorPart = part;
IActionBars actionBars = getActionBars();
boolean isSource = false;
if (activeEditorPart != null && activeEditorPart instanceof ITextEditor)
{
isSource = true;
zoomInRetargetAction.setEnabled(false);
zoomOutRetargetAction.setEnabled(false);
captureScreenAction.setEnabled(false);
activateSourcePage(activeEditorPart, true);
}
else
{
activateSourcePage(xsdEditor, false);
if (part instanceof InternalXSDMultiPageEditor)
{
xsdEditor = (InternalXSDMultiPageEditor) part;
}
if (xsdEditor != null)
{
// cs: here's we ensure the UNDO and REDO actions are available when
// the design view is active
IWorkbenchPartSite site = xsdEditor.getSite();
if (site instanceof IEditorSite)
{
ITextEditor textEditor = xsdEditor.getTextEditor();
IActionBars siteActionBars = ((IEditorSite) site).getActionBars();
siteActionBars.setGlobalActionHandler(ITextEditorActionConstants.UNDO, getAction(textEditor, ITextEditorActionConstants.UNDO));
siteActionBars.setGlobalActionHandler(ITextEditorActionConstants.REDO, getAction(textEditor, ITextEditorActionConstants.REDO));
siteActionBars.updateActionBars();
}
Object adapter = xsdEditor.getAdapter(ActionRegistry.class);
if (adapter instanceof ActionRegistry)
{
ActionRegistry registry = (ActionRegistry) adapter;
actionBars.setGlobalActionHandler(ActionFactory.DELETE.getId(), registry.getAction(DeleteAction.ID));
actionBars.setGlobalActionHandler(GEFActionConstants.ZOOM_IN, registry.getAction(GEFActionConstants.ZOOM_IN));
actionBars.setGlobalActionHandler(GEFActionConstants.ZOOM_OUT, registry.getAction(GEFActionConstants.ZOOM_OUT));
actionBars.setGlobalActionHandler(ActionFactory.PRINT.getId(), registry.getAction(ActionFactory.PRINT.getId()));
actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), registry.getAction(ActionFactory.SELECT_ALL.getId()));
zoomInRetargetAction.setEnabled(true);
zoomOutRetargetAction.setEnabled(true);
captureScreenAction.setEnabled(true);
}
}
}
if (actionBars != null) {
// update menu bar and tool bar
actionBars.updateActionBars();
}
if (zoomComboContributionItem != null)
{
zoomComboContributionItem.setVisible(!isSource);
zoomComboContributionItem.update();
// Bug 254772 - parent contribution manager should not be null. We added this item already.
// Force the ToolBarManager to update/redraw the items
zoomComboContributionItem.getParent().update(true);
}
}
protected void activateSourcePage(IEditorPart activeEditor, boolean state)
{
if (sourceViewerActionContributor != null && sourceViewerActionContributor instanceof ISourceViewerActionBarContributor)
{
sourceViewerActionContributor.setActiveEditor(activeEditor);
((ISourceViewerActionBarContributor) sourceViewerActionContributor).setViewerSpecificContributionsEnabled(state);
}
}
public void setActiveEditor(IEditorPart part)
{
IEditorPart activeNestedEditor = null;
if (part instanceof MultiPageEditorPart)
{
activeNestedEditor = part;
}
setActivePage(activeNestedEditor);
if (part instanceof InternalXSDMultiPageEditor)
{
xsdEditor = (InternalXSDMultiPageEditor) part;
textEditor = xsdEditor.getTextEditor();
if (textEditor != null)
{
// updateActions();
getActionBars().updateActionBars();
}
}
List list = XSDEditorPlugin.getPlugin().getXSDEditorConfiguration().getToolbarActions();
for (Iterator i = list.iterator(); i.hasNext(); )
{
((IXSDToolbarAction)i.next()).setEditorPart(activeNestedEditor);
}
super.setActiveEditor(part);
}
public void contributeToMenu(IMenuManager manager)
{
IMenuManager menu = new MenuManager(Messages._UI_MENU_XSD_EDITOR);
manager.prependToGroup(IWorkbenchActionConstants.MB_ADDITIONS, menu);
// Add extension menu actions
List list = XSDEditorPlugin.getPlugin().getXSDEditorConfiguration().getToolbarActions();
for (Iterator i = list.iterator(); i.hasNext(); )
{
menu.add((IXSDToolbarAction)i.next());
}
menu.add(zoomInRetargetAction);
menu.add(zoomOutRetargetAction);
menu.add(new Separator(IWorkbenchActionConstants.MB_ADDITIONS));
menu.add(captureScreenAction);
menu.updateAll(true);
}
public void contributeToToolBar(IToolBarManager manager)
{
manager.add(new Separator());
// Add extension toolbar actions
List list = XSDEditorPlugin.getPlugin().getXSDEditorConfiguration().getToolbarActions();
for (Iterator i = list.iterator(); i.hasNext(); )
{
manager.add((IXSDToolbarAction)i.next());
}
manager.add(new Separator());
String[] zoomStrings = new String[] { ZoomManager.FIT_ALL, ZoomManager.FIT_HEIGHT, ZoomManager.FIT_WIDTH };
zoomComboContributionItem = new ZoomComboContributionItem(getPage(), zoomStrings);
manager.add(zoomComboContributionItem);
manager.add(captureScreenAction);
}
public void init(IActionBars bars, IWorkbenchPage page)
{
Iterator e = fPartListeners.iterator();
while (e.hasNext())
{
page.addPartListener((RetargetAction) e.next());
}
initSourceViewerActionContributor(bars);
super.init(bars, page);
}
protected void initSourceViewerActionContributor(IActionBars actionBars) {
if (sourceViewerActionContributor != null)
sourceViewerActionContributor.init(actionBars, getPage());
}
public void dispose()
{
fPartListeners = null;
if (sourceViewerActionContributor != null)
sourceViewerActionContributor.dispose();
super.dispose();
}
}
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