Package de.innovationgate.eclipse.utils.ui

Source Code of de.innovationgate.eclipse.utils.ui.DesignResourceSelectionPage

/*******************************************************************************
* Copyright (c) 2009, 2010 Innovation Gate GmbH.
* 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:
*     Innovation Gate GmbH - initial API and implementation
******************************************************************************/
package de.innovationgate.eclipse.utils.ui;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Path;
import org.eclipse.jface.viewers.IStructuredSelection;

import de.innovationgate.eclipse.utils.wga.WGADesignStructureHelper;

public abstract class DesignResourceSelectionPage extends FolderSelectionPage {

 
  public DesignResourceSelectionPage(String title, String description, IStructuredSelection preSelection) {
    super(title, description, preSelection);
  }

  protected abstract String getPathNameUnderDesign();

  protected IStructuredSelection getPreSelection(IResource selectedResource) {
    if (selectedResource instanceof IFile) {
      selectedResource = (IContainer) selectedResource.getParent();
    }
   
    if (selectedResource instanceof IContainer) {
      IContainer selectedFolder = (IContainer) selectedResource;
      while (!(selectedFolder instanceof IProject) && selectedFolder != null) {

        if (WGADesignStructureHelper.isDesignFolder(selectedFolder)) {
          return new SingleStructuredSelection(selectedFolder.getFolder(new Path(getPathNameUnderDesign())));
        }       

        if (getFilter().select(selectedFolder)) {
          return new SingleStructuredSelection(selectedFolder);
        }
        selectedFolder = selectedFolder.getParent();
      }
      if (selectedFolder != null) {
        return new SingleStructuredSelection(selectedFolder);
      }
    }
    return new SingleStructuredSelection(selectedResource);

  }
}
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