Package org.eclipse.ui.internal

Source Code of org.eclipse.ui.internal.StickyViewManager

/*******************************************************************************
* 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.Set;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchPreferenceConstants;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.internal.util.PrefUtil;
import org.eclipse.ui.views.IStickyViewDescriptor;
import org.eclipse.ui.views.IViewRegistry;

/**
* @since 3.3
*
*/
public class StickyViewManager implements IStickyViewManager {
 
  private IWorkbenchPage page;
 
  public StickyViewManager(IWorkbenchPage page) {
    this.page = page;
  }

 
  public static IStickyViewManager getInstance(IWorkbenchPage page) {
    IStickyViewManager stickyViewMan;
    IPreferenceStore preferenceStore = PrefUtil.getAPIPreferenceStore();
    boolean enable32Behavior = preferenceStore
        .getBoolean(IWorkbenchPreferenceConstants.ENABLE_32_STICKY_CLOSE_BEHAVIOR);
    if (enable32Behavior)
      stickyViewMan = new StickyViewManager32(page);
    else
      stickyViewMan = new StickyViewManager(page);
   
    return stickyViewMan;
  }
 
  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.ui.internal.IStickyViewManager#add(java.lang.String,
   *      java.util.Set)
   */
  public void add(String perspectiveId, Set stickyViewSet) {
    // do nothing
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.ui.internal.IStickyViewManager#clear()
   */
  public void clear() {
    // do nothing
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.ui.internal.IStickyViewManager#remove(java.lang.String)
   */
  public void remove(String perspectiveId) {
    // do nothing
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.ui.internal.IStickyViewManager#restore(org.eclipse.ui.IMemento)
   */
  public void restore(IMemento memento) {
    // do nothing
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.ui.internal.IStickyViewManager#save(org.eclipse.ui.IMemento)
   */
  public void save(IMemento memento) {
    // do nothing
  }

  /*
   * (non-Javadoc)
   *
   * @see org.eclipse.ui.internal.IStickyViewManager#update(org.eclipse.ui.internal.Perspective,
   *      org.eclipse.ui.internal.Perspective)
   */
  public void update(Perspective oldPersp, Perspective newPersp) {
    if (oldPersp == null || newPersp == null) {
      return;
    }
    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) {
          page.showView(viewId, null, IWorkbenchPage.VIEW_CREATE);
        }
        // remove a view if it's sticky and its not visible in the old
        // perspective
        else if (newPersp.findView(viewId) != null
            && oldPersp.findView(viewId) == null) {
          page.hideView(newPersp.findView(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)); //$NON-NLS-1$ //$NON-NLS-2$
      }
    }
  }

}
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