MultiSortMembersAction.java :  » IDE-Eclipse » jdt » org » eclipse » jdt » internal » ui » actions » Java Open Source

Java Open Source » IDE Eclipse » jdt 
jdt » org » eclipse » jdt » internal » ui » actions » MultiSortMembersAction.java
/*******************************************************************************
 * Copyright (c) 2000, 2008 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
 *     Alex Blewitt - Bug 133277 Allow Sort Members to be performed on package and project levels
 *******************************************************************************/
package org.eclipse.jdt.internal.ui.actions;

import java.util.Hashtable;
import java.util.Map;

import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.window.Window;

import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.PlatformUI;

import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IParent;
import org.eclipse.jdt.core.JavaModelException;

import org.eclipse.jdt.internal.corext.fix.CleanUpConstants;

import org.eclipse.jdt.ui.cleanup.CleanUpOptions;
import org.eclipse.jdt.ui.cleanup.ICleanUp;

import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.dialogs.SortMembersMessageDialog;
import org.eclipse.jdt.internal.ui.fix.SortMembersCleanUp;
import org.eclipse.jdt.internal.ui.javaeditor.JavaEditor;

public class MultiSortMembersAction extends CleanUpAction {

  public MultiSortMembersAction(IWorkbenchSite site) {
    super(site);

    setText(ActionMessages.SortMembersAction_label);
    setDescription(ActionMessages.SortMembersAction_description);
    setToolTipText(ActionMessages.SortMembersAction_tooltip);

    PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SORT_MEMBERS_ACTION);
  }

  public MultiSortMembersAction(JavaEditor editor) {
    super(editor);

    setText(ActionMessages.SortMembersAction_label);
    setDescription(ActionMessages.SortMembersAction_description);
    setToolTipText(ActionMessages.SortMembersAction_tooltip);

    PlatformUI.getWorkbench().getHelpSystem().setHelp(this, IJavaHelpContextIds.SORT_MEMBERS_ACTION);
  }

  /**
   * {@inheritDoc}
   */
  protected ICleanUp[] getCleanUps(ICompilationUnit[] units) {
    try {
          if (!hasMembersToSort(units)) {
        MessageDialog.openInformation(getShell(), ActionMessages.MultiSortMembersAction_noElementsToSortDialog_title, ActionMessages.MultiSortMembersAction_noElementsToSortDialog_message);
            return null;
          }
        } catch (JavaModelException e) {
          JavaPlugin.log(e);
          return null;
        }

    Map settings= getSettings();
    if (settings == null)
      return null;

    return new ICleanUp[] {
      new SortMembersCleanUp(settings)
    };
  }

  protected Map getSettings() {
    SortMembersMessageDialog dialog= new SortMembersMessageDialog(getShell());
    if (dialog.open() != Window.OK)
      return null;

    Hashtable settings= new Hashtable();
    settings.put(CleanUpConstants.SORT_MEMBERS, CleanUpOptions.TRUE);
    settings.put(CleanUpConstants.SORT_MEMBERS_ALL, !dialog.isNotSortingFieldsEnabled() ? CleanUpOptions.TRUE : CleanUpOptions.FALSE);
    return settings;
  }

  /**
   * {@inheritDoc}
   */
  protected String getActionName() {
    return ActionMessages.SortMembersAction_dialog_title;
  }

  private boolean hasMembersToSort(ICompilationUnit[] units) throws JavaModelException {
    for (int i= 0; i < units.length; i++) {
      if (hasMembersToSort(units[i].getTypes()))
        return true;
    }

    return false;
  }

  private boolean hasMembersToSort(IJavaElement[] members) throws JavaModelException {
    if (members.length > 1)
      return true;

    if (members.length == 0)
      return false;

    IJavaElement elem= members[0];
    if (!(elem instanceof IParent))
      return false;

    return hasMembersToSort(((IParent)elem).getChildren());
  }

}
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.