org.semanticsoft.vaaclipse.widgets.ToolbarButtonBase.java Source code

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Here is the source code for org.semanticsoft.vaaclipse.widgets.ToolbarButtonBase.java

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/*******************************************************************************
 * Copyright (c) 2012 Rushan R. Gilmullin 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:
 *     Rushan R. Gilmullin - initial API and implementation
 *******************************************************************************/

package org.semanticsoft.vaaclipse.widgets;

import org.semanticsoft.vaaclipse.publicapi.resources.ResourceHelper;

import com.vaadin.server.Resource;
import com.vaadin.ui.Button;
import com.vaadin.ui.Component;

/**
 * @author rushan
 *
 */
public class ToolbarButtonBase extends Button {
    public ToolbarButtonBase() {
        this("Blank", null);
    }

    public ToolbarButtonBase(String label, String iconURI) {
        this.setSizeUndefined();

        setLabelAndIcon(label, iconURI);

        //hack
        super.addClickListener(new ClickListener() {

            public void buttonClick(ClickEvent event) {
                //change focus
                Component parent = event.getButton().getParent();
                while (parent != null) {
                    if (parent instanceof Component.Focusable) {
                        ((Component.Focusable) parent).focus();
                        break;
                    } else {
                        parent = parent.getParent();
                    }
                }
            }
        });
    }

    public void setLabelAndIcon(String label, String iconURI) {

        //clear
        this.setCaption(null);
        this.setIcon(null);
        this.removeStyleName("icononly");
        this.removeStyleName("textonly");

        //setup icon and text
        if (iconURI == null && label == null)
            label = "Blank";

        if (iconURI != null) {
            Resource icon = ResourceHelper.createResource(iconURI);
            this.setIcon(icon);
        }

        if (label != null) {
            this.setCaption(label);
        }

        if (iconURI == null && label != null)
            this.addStyleName("textonly");
        else if (iconURI != null && label == null)
            this.addStyleName("icononly");
    }

}