com.google.code.t4eclipse.tools.view.provider.ToolBarItemLabelProvider.java Source code

Introduction

Here is the source code for com.google.code.t4eclipse.tools.view.provider.ToolBarItemLabelProvider.java

Source

/*******************************************************************************
 * Copyright (c) 2013 jialiang.
 * 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:
 *     Ben Xu, xufengbing@gmail.com - initial API and implementation
 *     jialiang, lantianjialiang@gmail.com - add copy right and fix warning
 ******************************************************************************/
package com.google.code.t4eclipse.tools.view.provider;

import org.eclipse.jface.action.ActionContributionItem;
import org.eclipse.jface.viewers.ITableFontProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.swt.widgets.Widget;

import com.google.code.t4eclipse.core.utility.ToolBarUtility;

public class ToolBarItemLabelProvider extends LabelProvider implements ITableLabelProvider, ITableFontProvider {

    public Image getColumnImage(Object element, int columnIndex) {
        if (ToolBarUtility.COLUMNS[columnIndex].equals(ToolBarUtility.TEXT)) {
            if (element instanceof ToolItem) {
                ToolItem item = (ToolItem) element;
                return getImage(item);
            }

            if ((element instanceof ActionContributionItem)) {
                ActionContributionItem item = (ActionContributionItem) element;
                Widget w = item.getWidget();
                if ((w instanceof ToolItem)) {
                    return getImage((ToolItem) w);
                }
            }
        }

        return null;
    }

    public String getColumnText(Object element, int columnIndex) {
        String head = ToolBarUtility.COLUMNS[columnIndex];
        if ((element instanceof ToolItem)) {
            return processToolItem(element, head);
        }

        if ((element instanceof ActionContributionItem)) {
            ActionContributionItem item = (ActionContributionItem) element;
            if (head.equals(ToolBarUtility.ACTION_ID))
                return item.getId();
            if (head.equals(ToolBarUtility.ACTION)) {
                return ToolBarUtility.getActionContributioItemClass(item);
            }
        }

        return "";
    }

    private static String processToolItem(Object element, String head) {
        ToolItem item = (ToolItem) element;
        if (head.equals("Action")) {
            item.setData("JAVA_TYPE", ToolBarUtility.getToolBarRowDataStr(item, "Action"));
        }

        return ToolBarUtility.getToolBarRowDataStr(item, head);
    }

    private static Image getImage(ToolItem item) {
        Image image = item.getImage();
        if (image != null) {
            Image newImage = new Image(Display.getDefault(), image.getImageData());
            return newImage;
        }

        return null;
    }

    public Font getFont(Object element, int columnIndex) {
        return null;
    }

}