com.tractionsoftware.gwt.user.client.util.DomUtils Maven / Gradle / Ivy

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Utility code for use with GWT and Mvp4g.

There is a newer version: 5.8.4

/*
 * Copyright 2010 Traction Software, Inc.
 *
 * 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.tractionsoftware.gwt.user.client.util;

import com.google.gwt.dom.client.Element;
import com.google.gwt.user.client.ui.UIObject;

/**
 * DOM utilities.
 *
 * 
 * Created for a uniform implementation of HasEnabled, but will be
 * useful in the future for other DOM related things.
 * 
 *
 * 
 * This is a subclass of UIObject to gain access to the useful
 * setStyleName method of UIObject which is implemented as protected.
 * 
 *
 * Code Source
 *
 * 
 * This is external code that was copied into the CedarCommon codebase under
 * the terms of its license.
 * 
 *
 * 
 *    
 *       
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 *    Source: Traction Software
Date: July, 2014
Reason: The official Traction-supplied jar in Maven only supports Java 1.7+, but CedarCommon supports Java 1.6+.
 * 
 *
 * @author Andy @ Traction Software
 */
public class DomUtils extends UIObject {

    /**
     * This object is never created.
     */
    private DomUtils() {}

    /**
     * It's enough to just set the disabled attribute on the
     * element, but we want to also add a "disabled" class so that we can
     * style it.
     *
     * At some point we'll just be able to use .button:disabled,
     * but that doesn't work in IE8-
     */
    public static void setEnabled(Element element, boolean enabled) {
        element.setPropertyBoolean("disabled", !enabled);
    setStyleName(element, "disabled", !enabled);
    }

    /**
     * Returns true if the element has the disabled attribute.
     */
    public static boolean isEnabled(Element element) {
        return element.getPropertyBoolean("disabled");
    }

}

Source:	Traction Software
Date:	July, 2014
Reason:	The official Traction-supplied jar in Maven only supports Java 1.7+, but CedarCommon supports Java 1.6+.