org.iplantc.de.pipelineBuilder.client.ui.SimpleButton.java Source code

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/* * Copyright 2012 Oregon State University.
 * 
 * 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 org.iplantc.de.pipelineBuilder.client.ui;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.MouseDownEvent;
import com.google.gwt.event.dom.client.MouseDownHandler;
import com.google.gwt.event.dom.client.MouseUpEvent;
import com.google.gwt.event.dom.client.MouseUpHandler;
import com.google.gwt.user.client.ui.HorizontalPanel;
import com.google.gwt.user.client.ui.Label;

public class SimpleButton extends HorizontalPanel implements MouseDownHandler, MouseUpHandler, ClickHandler {
    String dependantStyle = "";
    ClickHandler handler;
    Label label;

    public SimpleButton(String title) {
        setHeight("20px");
        label = new Label(title);
        label.setWordWrap(false);
        add(label);
        addStyleName("simple-button");
        addDomHandler(this, MouseDownEvent.getType());
        addDomHandler(this, MouseUpEvent.getType());
        addDomHandler(this, ClickEvent.getType());
    }

    public SimpleButton() {
    }

    public SimpleButton addClickHandler(ClickHandler handle) {
        this.handler = handle;
        return this;
    }

    @Override
    public void setStyleDependentName(String styleSuffix, boolean add) {
        if (add) {
            removeStyleName("simple-button" + dependantStyle);
            dependantStyle = styleSuffix;
            addStyleName("simple-button" + dependantStyle);
        } else {
            removeStyleName("simple-button" + dependantStyle);
            dependantStyle = "";
            addStyleName("simple-button" + dependantStyle);
        }
    }

    public void onClick(ClickEvent event) {
    }

    public void onMouseUp(MouseUpEvent event) {
        removeStyleName("simple-button" + dependantStyle + "-down");
        addStyleName("simple-button" + dependantStyle);
        if (handler != null)
            handler.onClick(null);
    }

    public void onMouseDown(MouseDownEvent event) {
        removeStyleName("simple-button" + dependantStyle);
        addStyleName("simple-button" + dependantStyle + "-down");
    }
}