gwtquery.plugins.draggable.client.impl.DraggableHandlerImplIE.java Source code

Introduction

Here is the source code for gwtquery.plugins.draggable.client.impl.DraggableHandlerImplIE.java

Source

/*
 * Copyright 2010 The gwtquery plugins team.
 *
 * 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 gwtquery.plugins.draggable.client.impl;

import com.google.gwt.dom.client.Element;
import com.google.gwt.query.client.GQuery;
import gwtquery.plugins.draggable.client.DraggableOptions.HelperType;

/**
 * Specific code for IE
 *
 * @author Julien Dramaix (julien.dramaix@gmail.com, @jdramaix)
 */
public class DraggableHandlerImplIE extends DraggableHandlerImpl {

    @Override
    public boolean resetParentOffsetPosition(GQuery helperOffsetParent) {
        return super.resetParentOffsetPosition(helperOffsetParent)
                || helperOffsetParent.get(0) == GQuery.document.cast();
    }

    @Override
    public void removeHelper(GQuery helper, HelperType helperType) {
        if (helperType == HelperType.CLONE) {
            // in IE, the clone helper has the same hashcode than the draggable
            // don't call remove method on it because all dragable's data will be cleared also.
            // TODO maybe add an issue in GQuery to discuss about this problem !
            //      problem comes maybe from GWT directly !
            Element helperElement = helper.get(0);
            helperElement.getParentNode().removeChild(helperElement);
        } else {
            super.removeHelper(helper, helperType);
        }
    }
}