Package org.eclipse.ui.internal

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

/*******************************************************************************
* Copyright (c) 2000, 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
*     Kiryl Kazakevich, Intel - bug 88359
*******************************************************************************/
package org.eclipse.ui.internal;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.preferences.AbstractPreferenceInitializer;
import org.eclipse.core.runtime.preferences.DefaultScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.core.runtime.preferences.IEclipsePreferences.NodeChangeEvent;
import org.eclipse.ui.IWorkbenchPreferenceConstants;
import org.eclipse.ui.keys.IBindingService;
import org.osgi.service.prefs.BackingStoreException;

/**
* Implementation of the UI plugin's preference extension's customization
* element. This is needed in order to force the UI plugin's preferences to be
* initialized properly when running without
* org.eclipse.core.runtime.compatibility. For more details, see bug 58975 - New
* preference mechanism does not properly initialize defaults.
*
* @since 3.0
*/
public class UIPreferenceInitializer extends AbstractPreferenceInitializer {

 
  
  public void initializeDefaultPreferences() {

   
    IScopeContext context = new DefaultScope();
    IEclipsePreferences node = context.getNode(UIPlugin.getDefault()
        .getBundle().getSymbolicName());
    node.put(IWorkbenchPreferenceConstants.OPEN_NEW_PERSPECTIVE,
        IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);

    // Deprecated but kept for backwards compatibility
    node.put(IWorkbenchPreferenceConstants.PROJECT_OPEN_NEW_PERSPECTIVE,
        IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
    node.put(IWorkbenchPreferenceConstants.SHIFT_OPEN_NEW_PERSPECTIVE,
        IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);
    node.put(IWorkbenchPreferenceConstants.ALTERNATE_OPEN_NEW_PERSPECTIVE,
        IWorkbenchPreferenceConstants.OPEN_PERSPECTIVE_REPLACE);

    // Although there is no longer any item on the preference pages
    // for setting the linking preference, since it is now a per-part
    // setting, it remains as a preference to allow product overrides of the
    // initial state of linking in the Navigator. By default, linking is
    // off.
    node.putBoolean(IWorkbenchPreferenceConstants.LINK_NAVIGATOR_TO_EDITOR,
        false);

    // Appearance / Presentation preferences
    node.put(IWorkbenchPreferenceConstants.PRESENTATION_FACTORY_ID,
        IWorkbenchConstants.DEFAULT_PRESENTATION_ID);
    node
        .putBoolean(
            IWorkbenchPreferenceConstants.SHOW_TRADITIONAL_STYLE_TABS,
            true);
    node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_ANIMATIONS, true);
    node.put(IWorkbenchPreferenceConstants.DOCK_PERSPECTIVE_BAR,
        IWorkbenchPreferenceConstants.TOP_LEFT);
    node.putBoolean(
        IWorkbenchPreferenceConstants.SHOW_TEXT_ON_PERSPECTIVE_BAR,
        true);

    // the fast view bar should be on the bottom of a fresh workspace
    node.put(IWorkbenchPreferenceConstants.INITIAL_FAST_VIEW_BAR_LOCATION,
        IWorkbenchPreferenceConstants.BOTTOM);

    // default to showing intro on startup
    node.putBoolean(IWorkbenchPreferenceConstants.SHOW_INTRO, true);

    // Default to the standard key configuration.
    node.put(IWorkbenchPreferenceConstants.KEY_CONFIGURATION_ID,
        IBindingService.DEFAULT_DEFAULT_ACTIVE_SCHEME_ID);

    // Preference for showing system jobs in the jobs view
    node.putBoolean(IWorkbenchPreferenceConstants.SHOW_SYSTEM_JOBS, false);

    // The default minimum character width for editor tabs is undefined
    // (i.e., -1)
    node
        .putInt(
            IWorkbenchPreferenceConstants.EDITOR_MINIMUM_CHARACTERS,
            -1);

    // The default minimum character width for view tabs is 1
    node.putInt(IWorkbenchPreferenceConstants.VIEW_MINIMUM_CHARACTERS, 1);

    // Default for closing editors on exit.
    node.putBoolean(IWorkbenchPreferenceConstants.CLOSE_EDITORS_ON_EXIT,
        false);

    // Default for using window working sets
    node
        .putBoolean(
            IWorkbenchPreferenceConstants.USE_WINDOW_WORKING_SET_BY_DEFAULT,
            false);

    // Default for showing filter text widget that determines what is shown
    // in a FilteredTree
    node
        .putBoolean(IWorkbenchPreferenceConstants.SHOW_FILTERED_TEXTS,
            true);

    // Default for enabling detached views
    node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_DETACHED_VIEWS,
        true);

    // Default for prompting for save when saveables are still held on to by other parts
    node.putBoolean(IWorkbenchPreferenceConstants.PROMPT_WHEN_SAVEABLE_STILL_OPEN,
        true);

    // Default the min/max behaviour to the old (3.2) style
    node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_NEW_MIN_MAX, true);
   
    // By default the Fast View Bar allows to select a new fast view from the view list
    node.putBoolean(IWorkbenchPreferenceConstants.DISABLE_NEW_FAST_VIEW, false);
   
    // Default the sticky view close behaviour to the new style
    node.putBoolean(IWorkbenchPreferenceConstants.ENABLE_32_STICKY_CLOSE_BEHAVIOR, false);

    IEclipsePreferences rootNode = (IEclipsePreferences) Platform
        .getPreferencesService().getRootNode()
        .node(InstanceScope.SCOPE);

    final String uiName = UIPlugin.getDefault().getBundle()
        .getSymbolicName();
    try {
      if (rootNode.nodeExists(uiName)) {
        ((IEclipsePreferences) rootNode.node(uiName))
            .addPreferenceChangeListener(PlatformUIPreferenceListener
                .getSingleton());
      }
    } catch (BackingStoreException e) {
      IStatus status = new Status(IStatus.ERROR, UIPlugin.getDefault()
          .getBundle().getSymbolicName(), IStatus.ERROR, e
          .getLocalizedMessage(), e);
      UIPlugin.getDefault().getLog().log(status);
    }

    rootNode
        .addNodeChangeListener(new IEclipsePreferences.INodeChangeListener() {
          /*
           * (non-Javadoc)
           *
           * @see org.eclipse.core.runtime.preferences.IEclipsePreferences.INodeChangeListener#added(org.eclipse.core.runtime.preferences.IEclipsePreferences.NodeChangeEvent)
           */
          public void added(NodeChangeEvent event) {
            if (!event.getChild().name().equals(uiName)) {
              return;
            }
            ((IEclipsePreferences) event.getChild())
                .addPreferenceChangeListener(PlatformUIPreferenceListener
                    .getSingleton());

          }

          /*
           * (non-Javadoc)
           *
           * @see org.eclipse.core.runtime.preferences.IEclipsePreferences.INodeChangeListener#removed(org.eclipse.core.runtime.preferences.IEclipsePreferences.NodeChangeEvent)
           */
          public void removed(NodeChangeEvent event) {
            // Nothing to do here

          }

        });
  }

}
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