com.sap.dirigible.ide.db.viewer.views.DatabaseViewLabelProvider.java Source code

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/*******************************************************************************
 * Copyright (c) 2014 SAP AG or an SAP affiliate company. All rights reserved.
 * 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.sap.dirigible.ide.db.viewer.views;

import java.net.URL;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.resource.LocalResourceManager;
import org.eclipse.jface.resource.ResourceManager;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Image;

public class DatabaseViewLabelProvider extends LabelProvider {

    private static final long serialVersionUID = 7440464384326831067L;

    private static final String ICONS_SEGMENT = "/icons/"; //$NON-NLS-1$

    private static final URL TYPE_SCHEMA_ICON_URL = getIconURL("icon-schema.png"); //$NON-NLS-1$

    private static final URL TYPE_TABLE_ICON_URL = getIconURL("icon-table.png"); //$NON-NLS-1$

    @SuppressWarnings("unused")
    private final DatabaseViewer databaseViewer;

    private final ResourceManager resourceManager;

    /**
     * @param databaseViewer
     */
    DatabaseViewLabelProvider(DatabaseViewer databaseViewer) {
        this.databaseViewer = databaseViewer;
        this.resourceManager = new LocalResourceManager(JFaceResources.getResources());
    }

    public String getText(Object obj) {
        return obj.toString();
    }

    public Image getImage(Object obj) {
        // String imageKey = ISharedImages.IMG_OBJ_ELEMENT;
        // if (obj instanceof TreeParent)
        // imageKey = ISharedImages.IMG_OBJ_FOLDER;
        // return PlatformUI.getWorkbench().getSharedImages()
        // .getImage(imageKey);
        if (obj instanceof TreeParent) {
            return createImage(TYPE_SCHEMA_ICON_URL);
        } else {
            return createImage(TYPE_TABLE_ICON_URL);
        }

    }

    private Image createImage(URL imageURL) {
        ImageDescriptor imageDescriptor = ImageDescriptor.createFromURL(imageURL);
        return resourceManager.createImage(imageDescriptor);
    }

    private static URL getIconURL(String iconName) {
        return DatabaseViewLabelProvider.class.getResource(ICONS_SEGMENT + iconName);
    }

}