com.ait.toolkit.sencha.ext.ux.gmaps.client.GMapPanel.java Source code

Introduction

Here is the source code for com.ait.toolkit.sencha.ext.ux.gmaps.client.GMapPanel.java

Source

/*
 Copyright (c) 2014 Ahom Innovation Technologies. All rights reserved.
    
 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.ait.toolkit.sencha.ext.ux.gmaps.client;

import com.ait.toolkit.sencha.ext.client.events.container.AfterLayoutEvent;
import com.ait.toolkit.sencha.ext.client.events.container.AfterLayoutHandler;
import com.ait.toolkit.sencha.ext.client.ui.Panel;
import com.ait.toolkit.sencha.shared.client.core.XType;
import com.google.gwt.core.client.GWT;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.core.client.ScriptInjector;

/**
 * Wraps a Google Maps widget inside an {@link Panel}
 */
public class GMapPanel extends Panel {

    private static JavaScriptObject configPrototype;
    private MapReadyHandler mapReadyHandler;
    private static JavaScriptObject mapScriptElement;
    private static final String GMAP_PANEL_JS_ID = "ait-gmap-panel-js-id";

    static {
        inject();
    }

    protected JavaScriptObject getConfigPrototype() {
        return configPrototype;
    }

    public String getXType() {
        return XType.GMAP_PANEL.getValue();
    }

    /**
     * Handler interface for handling the ready event on the underlying Google Map
     * 
     */
    public interface MapReadyHandler {
        public void onReady();
    }

    /**
     * Create a new Notification.
     */
    public GMapPanel() {

    }

    public GMapPanel(MapReadyHandler handler) {
        this.addMapReadyHandler(handler);
    }

    public GMapPanel(String title) {
        setTitle(title);
    }

    public GMapPanel(String title, MapReadyHandler handler) {
        this(title);
        addMapReadyHandler(handler);
    }

    protected GMapPanel(JavaScriptObject obj) {
        super(obj);
    }

    @Override
    protected native JavaScriptObject create(JavaScriptObject config) /*-{
                                                                      return new $wnd.Ext.ux.GMapPanel(config);
                                                                      }-*/;

    /**
     * Fires when the map is ready ot be displayed
     * 
     * @param handler
     */
    public void addMapReadyHandler(final MapReadyHandler handler) {
        this.addAfterLayoutHandler(new AfterLayoutHandler() {
            @Override
            public void onAfterLayout(AfterLayoutEvent event) {
                if (GMapPanel.this.mapReadyHandler == null) {
                    GMapPanel.this.mapReadyHandler = handler;
                    handler.onReady();
                }

            }
        });
    }

    /**
     * Get the underlying google maps. Should be called when the map s ready
     * 
     * @return
     */
    public native JavaScriptObject getMap()/*-{
                                           var component = this.@com.ait.toolkit.sencha.ext.client.core.Component::getOrCreateJsObj()();
                                           return component.gmap;
                                           }-*/;

    private static void inject() {
        MapPanelResources res = GWT.create(MapPanelResources.class);
        ScriptInjector.fromString(res.js().getText()).setWindow(ScriptInjector.TOP_WINDOW).inject();
    }

}