目前我正在使用ArcGIS Javascript API.
我可以在地图图形中添加标记，在添加标记请求时，我使用像这样的弹出模板为该标记设置了一些属性
map.graphics.add(new Graphic(evt.geometry, symbol, PointAtt, popupTemplate));
在这里我想问一下，我如何在地图运行时编辑这些属性，因为我想对属性进行一些更改。
<script src="https://js.arcgis.com/3.17/"></script>
<script>
var map, tb;
var otherWindow;
var PointAtt = {};
require([
"esri/map",
"esri/toolbars/draw",
"esri/dijit/PopupTemplate",
"esri/symbols/SimpleMarkerSymbol", "esri/symbols/SimpleLineSymbol",
"esri/symbols/PictureFillSymbol", "esri/symbols/CartographicLineSymbol",
"esri/graphic",
"esri/Color", "dojo/dom", "dojo/on",
"dojo/domReady!"
], function (
Map, Draw, PopupTemplate,
SimpleMarkerSymbol, SimpleLineSymbol,
PictureFillSymbol, CartographicLineSymbol,
Graphic,
Color, dom, on) {
map = new Map("mapDiv", {
basemap : "streets",
center : [-25.312, 34.307],
zoom : 3
});
otherWindow = window.open("integrationPage.html", "otherWindow");
map.on("load", initToolbar);
// markerSymbol is used for point and multipoint, see http://raphaeljs.com/icons/#talkq for more examples
var markerSymbol = new SimpleMarkerSymbol();
markerSymbol.setPath("M16,4.938c-7.732,0-14,4.701-14,10.5c0,1.981,0.741,3.833,2.016,5.414L2,25.272l5.613-1.44c2.339,1.316,5.237,2.106,8.387,2.106c7.732,0,14-4.701,14-10.5S23.732,4.938,16,4.938zM16.868,21.375h-1.969v-1.889h1.969V21.375zM16.772,18.094h-1.777l-0.176-8.083h2.113L16.772,18.094z");
markerSymbol.setColor(new Color("#00FFFF"));
// lineSymbol used for freehand polyline, polyline and line.
var lineSymbol = new CartographicLineSymbol(
CartographicLineSymbol.STYLE_SOLID,
new Color([255, 0, 0]), 10,
CartographicLineSymbol.CAP_ROUND,
CartographicLineSymbol.JOIN_MITER, 5);
// fill symbol used for extent, polygon and freehand polygon, use a picture fill symbol
// the images folder contains additional fill images, other options: sand.png, swamp.png or stiple.png
var fillSymbol = new PictureFillSymbol(
"images/mangrove.png",
new SimpleLineSymbol(
SimpleLineSymbol.STYLE_SOLID,
new Color('#000'),
1),
42,
42);
function initToolbar() {
tb = new Draw(map);
tb.on("draw-end", addGraphic);
// Get Marker Click Event
map.graphics.on("click", function (evt) {
// alert("Marker Clicked");
var lat = evt.mapPoint.getLatitude();
var lon = evt.mapPoint.getLongitude();
var sendEvent = [];
sendEvent[0] = evt.graphic.attributes.ID;
sendEvent[1] = evt.mapPoint.getLatitude();
sendEvent[2] = evt.mapPoint.getLongitude();
// Sending event to other html page
otherWindow.postMessage(sendEvent, "http://localhost:9090");
});
// event delegation so a click handler is not
// needed for each individual button
on(dom.byId("info"), "click", function (evt) {
if (evt.target.id === "info") {
return;
}
var tool = evt.target.id.toLowerCase();
map.disableMapNavigation();
tb.activate(tool);
});
}
function addGraphic(evt) {
// deactivate the toolbar and clear existing graphics
tb.deactivate();
map.enableMapNavigation();
var sendEvent = []; // Array which is sent to other sources
var counter = 0;
sendEvent[0] = "added"
sendEvent[1] = evt.geometry.getLatitude();
sendEvent[2] = evt.geometry.getLongitude();
otherWindow.postMessage(sendEvent, "http://localhost:9090");
// Marker ID is being received from the Key Generator
window.addEventListener("message", function (event) {
var receivedEvent;
console.log("onMessage::" + event.data);
receivedEvent = event.data;
if (receivedEvent[0] == "added" && counter == 0) {
PointAtt = {
Name : "Islamabad", // The name of the pipeline
Type : "City", // The owner of the pipeline
ID : receivedEvent[1],// The length of the pipeline
Latitude : evt.geometry.getLatitude(),
Longitude: evt.geometry.getLongitude()
};
var popupTemplate = new PopupTemplate({
title : "{*}", // The title of the popup will be the name of the pipeline
content : "{*}" // Displays a table of all the attributes in the popup
})
// figure out which symbol to use
var symbol;
if (evt.geometry.type === "point" || evt.geometry.type === "multipoint") {
symbol = markerSymbol;
} else if (evt.geometry.type === "line" || evt.geometry.type === "polyline") {
symbol = lineSymbol;
} else {
symbol = fillSymbol;
}
map.graphics.add(new Graphic(evt.geometry, symbol, PointAtt, popupTemplate));
counter = counter + 1;
event.data = "";
}
}, false);
}
});
