Arcgis Server for JavaScript API之自定义InfoWindow

各位看到这个标题不要嫌烦，因为本人最近一直在研究相关的问题，所以相关文章也只能是这些，同时希望看过我的文章的朋友，我的文章能够给你帮助。

在前面的两篇相关的文章里面，实现InfoWindow是通过div的东西实现的，本文要讲的是通过集成InfoWindowBase实现infowindow的。实现后InfoWindow主要修改了arcgis原来的样式，并加入了InfoWindow出界的处理。

源代码奉上：

myInfoWindow/InfoWindow.js

define([
"dojo/Evented",
"dojo/parser",
"dojo/on",
"dojo/_base/declare",
"dojo/dom-construct",
"dojo/_base/array",
"dojo/dom-style",
"dojo/_base/lang",
"dojo/dom-class",
"dojo/fx",
"dojo/Deferred",
"esri/domUtils",
"esri/InfoWindowBase"
],
function(
Evented,
parser,
on,
declare,
domConstruct,
array,
domStyle,
lang,
domClass,
coreFx,
Deferred,
domUtils,
InfoWindowBase
)
{
var infoWidth,infoHeight;
var initMapCenter,initScreenCenter;
var showMapPoint,showScreenPoint=null;

return declare([InfoWindowBase, Evented],
{
constructor: function(parameters)
{
lang.mixin(this, parameters);
domClass.add(this.domNode, "myInfoWindow");
this._closeButton = domConstruct.create("div",{"class": "close", "title": "关闭"}, this.domNode);
this._title = domConstruct.create("div",{"class": "title"}, this.domNode);
this._content = domConstruct.create("div",{"class": "content"}, this.domNode);
this._arrow = domConstruct.create("div",{"class": "arrow"}, this.domNode);
on(this._closeButton, "click", lang.hitch(this, function(){
//hide the content when the info window is toggled close.
this.hide();
}));
//hide initial display
domUtils.hide(this.domNode);
this.isShowing = false;
},
setMap: function(map)
{
this.inherited(arguments);
map.on("pan", lang.hitch(this, function(pan){
var movePoint=pan.delta;
if(this.isShowing)
{
if(showScreenPoint!=null)
{
this._showInfoWindow(showScreenPoint.x+movePoint.x,showScreenPoint.y+movePoint.y);
}
}
}));
map.on("pan-end", lang.hitch(this, function(panend){
var movedelta=panend.delta;
if(this.isShowing){
showScreenPoint.x=showScreenPoint.x+movedelta.x;
showScreenPoint.y=showScreenPoint.y+movedelta.y;
}
}));
map.on("zoom-start", lang.hitch(this, function(){
domUtils.hide(this.domNode);
this.onHide();
}));
map.on("zoom-end", lang.hitch(this, function(){
if(this.isShowing){
showScreenPoint=this.map.toScreen(showMapPoint);
this._showInfoWindow(showScreenPoint.x,showScreenPoint.y);
}
}));
},
setTitle: function(title){
this.place(title, this._title);
},
setContent: function(content){
this.place(content, this._content);
},
_showInfoWindow:function(x,y)
{
//Position 10x10 pixels away from the specified location
domStyle.set(this.domNode,{
"left": x - infoWidth/2 + 15 + "px",
"top": y - infoHeight-75 + "px"
});
//display the info window
domUtils.show(this.domNode);
},
show: function(location)
{
showMapPoint=location;

initMapCenter=this.map.extent.getCenter();
initScreenCenter=this.map.toScreen(initMapCenter);

infoHeight= $(".myInfoWindow").height();
infoWidth= $(".myInfoWindow").width();

if(location.spatialReference){
location = this.map.toScreen(location);
}

var left=location.x-infoWidth/2;
var top=location.y-infoHeight-75;
showScreenPoint=location;

if(top<5)
{
initScreenCenter.y=initScreenCenter.y+top-5;
}
if(left<5)
{
initScreenCenter.x=initScreenCenter.x+left-5;
}
this._showInfoWindow(showScreenPoint.x,showScreenPoint.y);
initMapCenter=this.map.toMap(initScreenCenter);
this.map.centerAt(initMapCenter);
this.isShowing = true;
this.onShow();
},
hide: function(){
domUtils.hide(this.domNode);
this.isShowing = false;
this.onHide();
},
resize: function(width, height){
domStyle.set(this._content,{
"width": width + "px",
"height": (height-60) + "px"
});
domStyle.set(this._title,{
"width": width + "px"
});
},
destroy: function(){
domConstruct.destroy(this.domNode);
this._closeButton = this._title = this._content = null;
}
});
return InfoWindow;
});

myInfoWindow/InfoWindow.css

.myInfoWindow {
position: absolute;
z-index: 100;
font-family: sans-serif;
font-size: 12px;
}

.dj_ie .myInfoWindow {
border: 1px solid black;
}

.myInfoWindow .content {
position: relative;
background-color:#EFECCA;
color:#002F2F;
overflow: auto;
padding-top:5px;
padding-bottom:5px;
padding-left:5px;
}

.myInfoWindow .arrow {
position: absolute;
width: 0px;
height: 0px;
line-height: 0px;/*为了防止ie下出现题型*/
border-top: 60px solid #EFECCA;
border-left: 5px solid transparent;
border-right: 20px solid transparent;
left: 45%;
bottom: -60px;
}

.myInfoWindow .close {
position: absolute; top: 7px; right: 5px;
cursor: pointer;
background: url(http://serverapi.arcgisonline.com/jsapi/arcgis/2.6/js/dojo/dijit/themes/claro/layout/images/tabClose.png) no-repeat scroll 0 0 transparent;
width: 12px; height: 12px;
}

.myInfoWindow .close:hover  {
background-color: #F7FCFF;
}

.myInfoWindow .title {
font-weight: bold;
background-color:#046380;
color:#E6E2AF;
padding-top:5px;
padding-bottom:5px;
padding-left:5px;
}

test.html

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<!--The viewport meta tag is used to improve the presentation and behavior
of the samples on iOS devices-->
<meta name="viewport" content="initial-scale=1, maximum-scale=1,user-scalable=no">
<title>Custom Info Window</title>
<link rel="stylesheet" href="http://js.arcgis.com/3.8/js/esri/css/esri.css">
<link rel="stylesheet" href="myModules/InfoWindow.css">
<style>
html, body, #mapDiv { height: 100%; width: 100%; margin: 0; padding: 0; }

</style>

<script>
var dojoConfig = {
parseOnLoad:true,
packages: [{
"name": "myModules",
"location": location.pathname.replace(/\/[^/]+$/, "") + "/myModules"
}]
};
</script>
<script src="http://localhost/arcgis_js_api/library/3.9/3.9/init.js"></script>
<script src="jquery.min.js"></script>
<script>

require([
"dojo/dom",
"dojo/dom-construct",
"esri/map",
"myModules/InfoWindow",
"esri/layers/ArcGISTiledMapServiceLayer",
"esri/symbols/PictureMarkerSymbol",//图片点符号
"esri/renderers/SimpleRenderer", //简单渲染
"esri/layers/FeatureLayer",
"esri/InfoTemplate",
"dojo/string",
"dojo/domReady!"
], function(
dom,
domConstruct,
Map,
InfoWindow,
ArcGISTiledMapServiceLayer,
PictureMarkerSymbol,
SimpleRenderer,
FeatureLayer,
InfoTemplate,
string
) {
//create the custom info window specifying any input options
var infoWindow = new  InfoWindow({
domNode: domConstruct.create("div", null, dom.byId("mapDiv"))
});

var map = new Map("mapDiv", {
logo:false,
basemap: "gray",
center: [-98.57, 39.82],
zoom: 4,
zoom: 4,
slider: true,
infoWindow: infoWindow
});

//define the info template that is used to display the popup content.
var template = new InfoTemplate();
template.setTitle("<b>${name}</b>");
template.setContent("hello");
template.setContent("<h1>我是中国人民的儿子</h1><br>你妹啊！！！");

var featurelayercity = new FeatureLayer("http://services.arcgis.com/V6ZHFr6zdgNZuVG0/arcgis/rest/services/Boston_Marathon/FeatureServer/0", {
mode: FeatureLayer.MODE_SNAPSHOT,
infoTemplate: template,
outFields: ["*"]
});
var pmsRed = new PictureMarkerSymbol('../images/location_icon_blue.png', 20, 20).setOffset(0, 15);
//简单渲染
var sr=new SimpleRenderer(pmsRed);
featurelayercity.setRenderer(sr);
map.addLayer(featurelayercity);

//resize the info window
map.infoWindow.resize(400, 200);

});
</script>
</head>
<body>
<div id="mapDiv"></div>
</body>
</html>