PluginStatusDialogLableProvider.java

/******************************************************************************* 
* Copyright (c) 2010, 2011 EclipseSource 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:
*   Holger Staudacher - initial API and implementation
*******************************************************************************/ 
package org.eclipse.libra.warproducts.ui.validation;

import org.eclipse.debug.internal.ui.DefaultLabelProvider;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.libra.warproducts.core.validation.ValidationError;
import org.eclipse.libra.warproducts.ui.WARProductConstants;
import org.eclipse.pde.internal.ui.*;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;

public class PluginStatusDialogLableProvider extends DefaultLabelProvider {

  private static final String VALIDATION_ERROR_IMAGE 
    = "icons/problem_server.gif"; //$NON-NLS-1$

  public Image getImage( final Object element ) {
    PDELabelProvider pdeLabelProvider 
      = PDEPlugin.getDefault().getLabelProvider();
    Image result = null;
    if( element instanceof String ) {
      String pluginId = WARProductConstants.PLUGIN_ID;
      String imagePath = VALIDATION_ERROR_IMAGE; //$NON-NLS-1$
      ImageDescriptor imageDescriptor 
        = AbstractUIPlugin.imageDescriptorFromPlugin( pluginId, imagePath );
      result = pdeLabelProvider.get( imageDescriptor );
    } else if( element instanceof ValidationError ) {
      result = getValidationErrorImage( element );
    } else {
      result = pdeLabelProvider.getImage( element );
    }
    return result;
  }

  private static Image getValidationErrorImage( final Object element ) {
    PDELabelProvider pdeLabelProvider 
      = PDEPlugin.getDefault().getLabelProvider();
    Image result;
    ValidationError error = ( ValidationError )element;
    int type = error.getType();
    if(    type == ValidationError.LIBRARY_MISSING 
        || type == ValidationError.LIBRARY_DOESNT_EXIST ) 
    {
      result = pdeLabelProvider.get( PDEPluginImages.DESC_JAR_LIB_OBJ );
    } else {
      result = pdeLabelProvider.get( PDEPluginImages.DESC_PLUGIN_OBJ );
    }
    return result;
  }
  
  public String getText( final Object element ) {
    return PDEPlugin.getDefault().getLabelProvider().getText( element );
  }
}