SampleDatabaseActivityColumnsPageLabelProvider.java

/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed 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 com.motorola.studio.android.codeutils.codegeneration;

import org.eclipse.datatools.modelbase.sql.tables.Column;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.plugin.AbstractUIPlugin;

/**
 * Label provider for the tree viewer in the {@link CreateSampleDatabaseActivityColumnsPage}.
 */
public class SampleDatabaseActivityColumnsPageLabelProvider extends LabelProvider
{

    public static final String DATATOOLS_UI_PLUGIN_ID =
            "org.eclipse.datatools.connectivity.sqm.core.ui";

    private static final String COLUMN_ICON = "icons/columns.gif";

    private ImageDescriptor desc = null;

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getImage(java.lang.Object)
     */
    @Override
    public Image getImage(Object element)
    {
        Image resultImage = null;

        if (element instanceof Column)
        {
            if (desc == null)
            {
                desc =
                        AbstractUIPlugin.imageDescriptorFromPlugin(DATATOOLS_UI_PLUGIN_ID,
                                COLUMN_ICON);

            }

            resultImage = desc.createImage();
        }

        return resultImage;
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.viewers.LabelProvider#getText(java.lang.Object)
     */
    @Override
    public String getText(Object element)
    {
        String resultLabel = null;

        if (element instanceof Column)
        {
            resultLabel = ((Column) element).getName();
        }

        return resultLabel;
    }

}