com.pietschy.gwt.pectin.client.style.StyleBinding.java Source code

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Here is the source code for com.pietschy.gwt.pectin.client.style.StyleBinding.java

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/*
 * Copyright 2009 Andrew Pietsch 
 *
 * 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.pietschy.gwt.pectin.client.style;

import com.google.gwt.user.client.ui.UIObject;
import com.pietschy.gwt.pectin.client.binding.AbstractValueBinding;
import com.pietschy.gwt.pectin.client.value.ValueModel;

import java.util.List;

/**
 * Created by IntelliJ IDEA.
 * User: andrew
 * Date: Jul 1, 2009
 * Time: 4:35:13 PM
 * To change this template use File | Settings | File Templates.
 */
public class StyleBinding extends AbstractValueBinding<Boolean> {
    private List<UIObject> widgets;
    private String styleName;

    public StyleBinding(ValueModel<Boolean> condition, List<UIObject> widgets, String styleName) {
        super(condition);
        this.widgets = widgets;
        this.styleName = styleName;
    }

    protected void updateTarget(Boolean value) {
        for (UIObject widget : widgets) {
            if (Boolean.TRUE.equals(value)) {
                widget.addStyleName(styleName);
            } else {
                widget.removeStyleName(styleName);
            }
        }
    }

    public List<UIObject> getTarget() {
        return widgets;
    }
}