/*
 * 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.uima.caseditor.ide;

import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.dialogs.ElementTreeSelectionDialog;
import org.eclipse.ui.model.WorkbenchContentProvider;
import org.eclipse.ui.model.WorkbenchLabelProvider;
import org.eclipse.ui.views.navigator.ResourceComparator;

/**
 * 
 *
 */
public class WorkspaceResourceDialog {
  public static IResource getWorkspaceResourceElement(Shell shell, IResource root,
          String dialogTitle, String dialogMessage) {
    IResource resource = null;

    ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(shell,
            new WorkbenchLabelProvider(), new WorkbenchContentProvider());
    dialog.setTitle(dialogTitle);
    dialog.setMessage(dialogMessage);
    dialog.setInput(root);
    dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
    int buttonId = dialog.open();
    if (buttonId == IDialogConstants.OK_ID) {
      resource = (IResource) dialog.getFirstResult();
      if (!resource.isAccessible()) {
        return null;
      }
      if (resource instanceof IContainer) {
      }
      String arg = resource.getFullPath().toString();
      // String fileLoc =
      // VariablesPlugin.getDefault().getStringVariableManager().generateVariableExpression("workspace_loc",
      // arg); //$NON-NLS-1$
      // Trace.trace("resource.getFullPath().toString():" + arg);
      // Trace.trace(fileLoc);
      // selectedElement = resource.getLocation().toOSString();
    }
    return resource;
  }

  public static IResource getWorkspaceResourceElement(Shell shell) {
    IResource resource = null;
    ElementTreeSelectionDialog dialog = new ElementTreeSelectionDialog(shell,
            new WorkbenchLabelProvider(), new WorkbenchContentProvider());
    dialog.setTitle("Select Cpe descriptor");
    dialog.setMessage("Select Cpe Xml descriptor file");
    dialog.setInput(ResourcesPlugin.getWorkspace().getRoot());
    dialog.setComparator(new ResourceComparator(ResourceComparator.NAME));
    int buttonId = dialog.open();
    if (buttonId == IDialogConstants.OK_ID) {
      resource = (IResource) dialog.getFirstResult();
      if (!resource.isAccessible()) {
        return null;
      }
      String arg = resource.getFullPath().toString();
      // String fileLoc =
      // VariablesPlugin.getDefault().getStringVariableManager().generateVariableExpression("workspace_loc",
      // arg); //$NON-NLS-1$
      // Trace.trace(fileLoc);
      // selectedElement = resource.getLocation().toOSString();
    }
    return resource;
  }
}
