Package org.apache.sling.ide.eclipse.ui.actions

Source Code of org.apache.sling.ide.eclipse.ui.actions.JcrNodeRenameAction

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*      http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.sling.ide.eclipse.ui.actions;

import org.apache.sling.ide.eclipse.ui.nav.model.JcrNode;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.IInputValidator;
import org.eclipse.jface.dialogs.InputDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IObjectActionDelegate;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;

/** Testing action which renames a jcr node **/
public class JcrNodeRenameAction implements IObjectActionDelegate {

  private ISelection selection;
  private JcrNode node;
  private Shell shell;

  /**
   * The constructor.
   */
  public JcrNodeRenameAction() {
  }

  /**
   * The action has been activated. The argument of the
   * method represents the 'real' action sitting
   * in the workbench UI.
   * @see IWorkbenchWindowActionDelegate#run
   */
  public void run(IAction action) {
    if (this.node==null) {
      return;
    }
        InputDialog id = new InputDialog(shell, "Change Node Name", "Enter new name for node '" + node.getDescription()
                + "':", node.getLabel(), new IInputValidator() {
         
          @Override
          public String isValid(String newText) {
            if (newText!=null && newText.trim().length()>0 && newText.trim().equals(newText)) {
              return null;
            } else {
              return "Invalid input";
            }
          }
        });
    if (id.open() == IStatus.OK) {
      node.rename(id.getValue());
    }
  }

  /**
   * Selection in the workbench has been changed. We
   * can change the state of the 'real' action here
   * if we want, but this can only happen after
   * the delegate has been created.
   * @see IWorkbenchWindowActionDelegate#selectionChanged
   */
  public void selectionChanged(IAction action, ISelection selection) {
    if (selection instanceof IStructuredSelection) {
      IStructuredSelection iss = (IStructuredSelection) selection;
            if (iss.size()==1) {
          Object element = iss.getFirstElement();
          if (element instanceof JcrNode) {
            final JcrNode n = (JcrNode)element;
            if (n.canBeRenamed()) {
              action.setEnabled(true);
              this.node = n;
              return;
            }
          }
            }
    }
    action.setEnabled(false);
    this.node = null;
  }

  @Override
  public void setActivePart(IAction action, IWorkbenchPart targetPart) {
    this.shell = targetPart.getSite().getWorkbenchWindow().getShell();
  }
}
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