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Ext.ux.GMapPanel.js组件的使用 示例

EXTJavaScriptCSSGoogleHTML
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Ext.ux.GMapPanel.js组件的使用 示例

 

 

效果：

 

创建调用的html：

<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset= utf-8">
    <title>GMap Window Example</title>

<link rel="stylesheet" type="text/css" href="extjs/resources/css/ext-all.css" />
 <script type="text/javascript" src="extjs/adapter/ext/ext-base.js"></script>
 <script type="text/javascript" src="extjs/ext-all.js"></script>

<!-- GMaps API Key that works for www.extjs.com -->
<!--<script src="http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAAUCG2rlIeVFJ07rCgVUYjhhSVbRpeAZk72H9nRSWIwLg0s1ul-BRlbCt360qbQumadan9ZlGxlCWzqg" type="text/javascript"></script>-->
<!-- GMaps API Key that works for localhost -->
<script src="http://maps.google.com/maps?file=api&amp;v=2.x&amp;key=ABQIAAAAJDLv3q8BFBryRorw-851MRT2yXp_ZAY8_ufC3CFXhHIE1NvwkxTyuslsNlFqyphYqv1PCUD8WrZA2A" type="text/javascript"></script>


    <script src="./Ext.ux.GMapPanel.js"></script>

</head>
<body>
<script type="text/javascript">

Ext.onReady(function(){

       var  mapwin = new Ext.Window({
                layout: 'fit',
                title: 'GMap Window',
                closeAction: 'hide',
                width:400,
                height:400,
                x: 40,
                y: 60,
                items: {
                    xtype: 'gmappanel',
                    region: 'center',
                    zoomLevel: 14,
                    gmapType: 'map',
                    mapConfOpts: ['enableScrollWheelZoom','enableDoubleClickZoom','enableDragging'],
                    mapControls: ['GSmallMapControl','GMapTypeControl','NonExistantControl'],
                    setCenter: {
                        geoCodeAddr: '4 Yawkey Way, Boston, MA, 02215-3409, USA',
                        marker: {title: 'Fenway Park'}
                    },
                    markers: [{
                        lat: 42.339641,
                        lng: -71.094224,
                        marker: {title: 'Boston Museum of Fine Arts'},
                        listeners: {
                            click: function(e){
                                Ext.Msg.alert('Its fine', 'and its art.');
                            }
                        }
                    },{
                        lat: 42.339419,
                        lng: -71.09077,
                        marker: {title: 'Northeastern University'}
                    }]
                }
           });

  
 
        mapwin.show();
   
 });
</script>


</body>
</html>

 

 

 

引入Ext.ux.GMapPanel.js组件的源文件：

/*
 * Ext JS Library 2.2
 * Copyright(c) 2006-2008, Ext JS, LLC.
 * licensing@extjs.com
 *
 * http://extjs.com/license
 */

/**
 * @author Shea Frederick
 */

Ext.namespace('Ext.ux');
 
/**
 *
 * @class GMapPanel
 * @extends Ext.Panel
 */
Ext.ux.GMapPanel = Ext.extend(Ext.Panel, {
    initComponent : function(){
       
        var defConfig = {
            plain: true,
            zoomLevel: 3,
            yaw: 180,
            pitch: 0,
            zoom: 0,
            gmapType: 'map',
            border: false
        };
       
        Ext.applyIf(this,defConfig);
       
        Ext.ux.GMapPanel.superclass.initComponent.call(this);       

    },
    afterRender : function(){
       
        var wh = this.ownerCt.getSize();
        Ext.applyIf(this, wh);
       
        Ext.ux.GMapPanel.superclass.afterRender.call(this);   
       
        if (this.gmapType === 'map'){
            this.gmap = new GMap2(this.body.dom);
        }
       
        if (this.gmapType === 'panorama'){
            this.gmap = new GStreetviewPanorama(this.body.dom);
        }
       
        if (typeof this.addControl == 'object' && this.gmapType === 'map') {
            this.gmap.addControl(this.addControl);
        }
       
        if (typeof this.setCenter === 'object') {
            if (typeof this.setCenter.geoCodeAddr === 'string'){
                this.geoCodeLookup(this.setCenter.geoCodeAddr);
            }else{
                if (this.gmapType === 'map'){
                    var point = new GLatLng(this.setCenter.lat,this.setCenter.lng);
                    this.gmap.setCenter(point, this.zoomLevel);   
                }
                if (typeof this.setCenter.marker === 'object' && typeof point === 'object'){
                    this.addMarker(point,this.setCenter.marker,this.setCenter.marker.clear);
                }
            }
            if (this.gmapType === 'panorama'){
                this.gmap.setLocationAndPOV(new GLatLng(this.setCenter.lat,this.setCenter.lng), {yaw: this.yaw, pitch: this.pitch, zoom: this.zoom});
            }
        }

        GEvent.bind(this.gmap, 'load', this, function(){
            this.onMapReady();
        });

    },
    onMapReady : function(){
        this.addMarkers(this.markers);
        this.addMapControls();
        this.addOptions(); 
    },
    onResize : function(w, h){

        if (typeof this.getMap() == 'object') {
            this.gmap.checkResize();
        }
       
        Ext.ux.GMapPanel.superclass.onResize.call(this, w, h);

    },
    setSize : function(width, height, animate){
       
        if (typeof this.getMap() == 'object') {
            this.gmap.checkResize();
        }
       
        Ext.ux.GMapPanel.superclass.setSize.call(this, width, height, animate);
       
    },
    getMap : function(){
       
        return this.gmap;
       
    },
    getCenter : function(){
       
        return this.getMap().getCenter();
       
    },
    getCenterLatLng : function(){
       
        var ll = this.getCenter();
        return {lat: ll.lat(), lng: ll.lng()};
       
    },
    addMarkers : function(markers) {
       
        if (Ext.isArray(markers)){
            for (var i = 0; i < markers.length; i++) {
                var mkr_point = new GLatLng(markers[i].lat,markers[i].lng);
                this.addMarker(mkr_point,markers[i].marker,false,markers[i].setCenter, markers[i].listeners);
            }
        }
       
    },
    addMarker : function(point, marker, clear, center, listeners){
       
        Ext.applyIf(marker,G_DEFAULT_ICON);

        if (clear === true){
            this.getMap().clearOverlays();
        }
        if (center === true) {
            this.getMap().setCenter(point, this.zoomLevel);
        }

        var mark = new GMarker(point,marker);
        if (typeof listeners === 'object'){
            for (evt in listeners) {
                GEvent.bind(mark, evt, this, listeners[evt]);
            }
        }
        this.getMap().addOverlay(mark);

    },
    addMapControls : function(){
       
        if (this.gmapType === 'map') {
            if (Ext.isArray(this.mapControls)) {
                for(i=0;i<this.mapControls.length;i++){
                    this.addMapControl(this.mapControls[i]);
                }
            }else if(typeof this.mapControls === 'string'){
                this.addMapControl(this.mapControls);
            }else if(typeof this.mapControls === 'object'){
                this.getMap().addControl(this.mapControls);
            }
        }
       
    },
    addMapControl : function(mc){
       
        var mcf = window[mc];
        if (typeof mcf === 'function') {
            this.getMap().addControl(new mcf());
        }   
       
    },
    addOptions : function(){
       
        if (Ext.isArray(this.mapConfOpts)) {
            var mc;
            for(i=0;i<this.mapConfOpts.length;i++){
                this.addOption(this.mapConfOpts[i]);
            }
        }else if(typeof this.mapConfOpts === 'string'){
            this.addOption(this.mapConfOpts);
        }       
       
    },
    addOption : function(mc){
       
        var mcf = this.getMap()[mc];
        if (typeof mcf === 'function') {
            this.getMap()[mc]();
        }   
       
    },
    geoCodeLookup : function(addr) {
       
        this.geocoder = new GClientGeocoder();
        this.geocoder.getLocations(addr, this.addAddressToMap.createDelegate(this));
       
    },
    addAddressToMap : function(response) {
       
        if (!response || response.Status.code != 200) {
            Ext.MessageBox.alert('Error', 'Code '+response.Status.code+' Error Returned');
        }else{
            place = response.Placemark[0];
            addressinfo = place.AddressDetails;
            accuracy = addressinfo.Accuracy;
            if (accuracy === 0) {
                Ext.MessageBox.alert('Unable to Locate Address', 'Unable to Locate the Address you provided');
            }else{
                if (accuracy < 7) {
                    Ext.MessageBox.alert('Address Accuracy', 'The address provided has a low accuracy.<br><br>Level '+accuracy+' Accuracy (8 = Exact Match, 1 = Vague Match)');
                }else{
                    point = new GLatLng(place.Point.coordinates[1], place.Point.coordinates[0]);
                    if (typeof this.setCenter.marker === 'object' && typeof point === 'object'){
                        this.addMarker(point,this.setCenter.marker,this.setCenter.marker.clear,true, this.setCenter.listeners);
                    }
                }
            }
        }
       
    }
 
});

Ext.reg('gmappanel',Ext.ux.GMapPanel);

 

 

 

 

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| 如何编写ExtJS自定义控件
评论
1 楼 xisuchi 2011-02-25  
如何设置才能看到我的所在地的地图
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