com.qualogy.qafe.gwt.client.component.MapWidget.java Source code

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Here is the source code for com.qualogy.qafe.gwt.client.component.MapWidget.java

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/**
 * Copyright 2008-2015 Qualogy Solutions B.V.
 *
 * 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.qualogy.qafe.gwt.client.component;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.HasClickHandlers;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.Command;
import com.google.gwt.user.client.DOM;
import com.google.gwt.user.client.DeferredCommand;
import com.google.gwt.user.client.Element;
import com.google.gwt.user.client.Event;
import com.google.gwt.user.client.ui.Image;
import com.google.gwt.user.client.ui.Widget;

public class MapWidget extends Widget implements HasClickHandlers {
    private AreaWidget[] items;

    public MapWidget() {
        super();
        setElement(DOM.createElement("map"));
        sinkEvents(Event.ONCLICK);
    }

    public MapWidget(AreaWidget[] areas) {
        this();
        items = areas;
        if (items != null && items.length > 0) {
            for (int i = 0; i < items.length; i++) {
                DOM.appendChild(getElement(), items[i].getElement());
            }
        }
    }

    public void bindImage(Image image) {
        usemap(image.getElement(), getName());
    }

    native void usemap(Element element, String name)/*-{
                                                    element.useMap = "#"+name;
                                                    }-*/;

    public String getID() {
        return DOM.getElementAttribute(getElement(), "id");
    }

    public String getName() {
        return DOM.getElementAttribute(getElement(), "name");
    }

    /* @Override */
    public void onBrowserEvent(Event event) {
        switch (DOM.eventGetType(event)) {
        case Event.ONCLICK:
            if (items != null && items.length > 0) {
                Element target = DOM.eventGetTarget(event);
                for (int i = 0; i < items.length; i++) {
                    if (items[i].getElement() != null) {
                        //   if (DOM.compare(target, items[i].getElement())) {
                        if (target.getId() != null && target.getId().equals(items[i].getElement().getId())) {
                            Command command = items[i].getCommand();
                            if (command != null) {
                                DeferredCommand.addCommand(command);
                            }
                        }
                    }
                }
                DOM.eventPreventDefault(event);
                return;
            }
        }
        super.onBrowserEvent(event);
    }

    public void setID(String id) {
        DOM.setElementAttribute(getElement(), "id", (id == null) ? "" : id);
    }

    public void setName(String name) {
        DOM.setElementAttribute(getElement(), "name", (name == null) ? "" : name);
    }

    public AreaWidget[] getItems() {
        return items;
    }

    public void setItems(AreaWidget[] items) {
        this.items = items;
    }

    public HandlerRegistration addClickHandler(ClickHandler handler) {

        return addDomHandler(handler, ClickEvent.getType());
    }

}