/*******************************************************************************
* Copyright (c) 2007 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.internal;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.views.IStickyViewDescriptor;
import org.eclipse.ui.views.IViewRegistry;
/**
* @since 3.3
*
*/
class StickyViewManager32 implements IStickyViewManager {
// a mapping of perspectives to a set of stickyviews that have been activated in that perspective.
// this map is persisted across sessions
private Map stickyPerspectives = new HashMap(7);
private IWorkbenchPage page;
public StickyViewManager32(IWorkbenchPage page) {
this.page = page;
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.IStickyViewManager#remove(java.lang.String)
*/
public void remove(String pespectiveId) {
stickyPerspectives.remove(pespectiveId);
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.IStickyViewManager#add(java.lang.String, java.util.Set)
*/
public void add(String pespectiveId, Set stickyViewList) {
stickyPerspectives.put(pespectiveId, stickyViewList);
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.IStickyViewManager#clear()
*/
public void clear() {
stickyPerspectives.clear();
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.IStickyViewManager#update(org.eclipse.ui.IWorkbenchPage, org.eclipse.ui.internal.Perspective, org.eclipse.ui.internal.Perspective)
*/
public void update(Perspective oldPersp, Perspective newPersp) {
if (newPersp != null && oldPersp != null) {
Set activatedStickyViewsInThisPerspective = (Set) stickyPerspectives
.get(newPersp.getDesc().getId());
if (activatedStickyViewsInThisPerspective == null) {
activatedStickyViewsInThisPerspective = new HashSet(7);
stickyPerspectives.put(newPersp.getDesc().getId(),
activatedStickyViewsInThisPerspective);
}
IViewRegistry viewReg = WorkbenchPlugin.getDefault()
.getViewRegistry();
IStickyViewDescriptor[] stickyDescs = viewReg.getStickyViews();
for (int i = 0; i < stickyDescs.length; i++) {
final String viewId = stickyDescs[i].getId();
try {
// show a sticky view if it was in the last perspective and hasn't already been activated in this one
if (oldPersp.findView(viewId) != null
&& !activatedStickyViewsInThisPerspective
.contains(viewId)) {
page.showView(viewId, null, IWorkbenchPage.VIEW_CREATE);
activatedStickyViewsInThisPerspective.add(viewId);
}
} catch (PartInitException e) {
WorkbenchPlugin
.log(
"Could not open view :" + viewId, new Status(IStatus.ERROR, WorkbenchPlugin.PI_WORKBENCH, IStatus.ERROR, "Could not open view :" + viewId, e)); //$NON-NLS-1$ //$NON-NLS-2$
}
}
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.IStickyViewManager#save(org.eclipse.ui.IMemento)
*/
public void save(IMemento memento) {
IMemento stickyState = memento.createChild(IWorkbenchConstants.TAG_STICKY_STATE);
Iterator itr = stickyPerspectives.entrySet().iterator();
while (itr.hasNext()) {
Map.Entry entry = (Map.Entry) itr.next();
String perspectiveId = (String) entry.getKey();
Set activatedViewIds = (Set) entry.getValue();
IMemento perspectiveState = stickyState.createChild(
IWorkbenchConstants.TAG_PERSPECTIVE, perspectiveId);
for (Iterator i = activatedViewIds.iterator(); i.hasNext();) {
String viewId = (String) i.next();
perspectiveState.createChild(IWorkbenchConstants.TAG_VIEW,
viewId);
}
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.internal.IStickyViewManager#restore(org.eclipse.ui.IMemento)
*/
public void restore(IMemento memento) {
// restore the sticky activation state
IMemento stickyState = memento
.getChild(IWorkbenchConstants.TAG_STICKY_STATE);
if (stickyState != null) {
IMemento[] stickyPerspMems = stickyState
.getChildren(IWorkbenchConstants.TAG_PERSPECTIVE);
for (int i = 0; i < stickyPerspMems.length; i++) {
String perspectiveId = stickyPerspMems[i].getID();
Set viewState = new HashSet(7);
stickyPerspectives.put(perspectiveId, viewState);
IMemento[] viewStateMementos = stickyPerspMems[i]
.getChildren(IWorkbenchConstants.TAG_VIEW);
for (int j = 0; j < viewStateMementos.length; j++) {
viewState.add(viewStateMementos[j].getID());
}
}
}
}
}