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