/**
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* 线测量工具
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* @author 温杨彪 2015-9-13
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**/
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define([
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"dojo/_base/declare",
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"controls/toolbar/tools/DrawBaseTool",
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"esri/toolbars/draw",
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"dojo/dom-style",
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"dijit/TooltipDialog",
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"dijit/popup",
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"esri/geometry/geometryEngine",
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"dojo/dom",
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"base/utils/RendererUtil",
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"esri/graphic",
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"esri/geometry/geodesicUtils",
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"esri/units"
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], function(
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declare,
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DrawBaseTool,
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Draw,
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domStyle,
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TooltipDialog,
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popup,
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geometryEngine,
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dom,
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RendererUtil,
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Graphic,
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geodesicUtils,
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Units
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) {
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var RL = declare([DrawBaseTool], {
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_lineresulttooltip: null,
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graphic: null,
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_symbol: null,
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constructor: function(args) {
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this._normalIconClass = "tool-measureline-normal";
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this._overIconClass = "tool-measureline-over";
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this._selectedIconClass = "tool-measureline-select";
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this._drawType = Draw.POLYLINE;
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this.tooltip = "量距离";
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this._symbol = RendererUtil.createSymbol({
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type: "SimpleLineSymbol",
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width: 2,
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color: "#FD8044"
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});
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},
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postCreate: function() {
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this.inherited(arguments);
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this._isDrawOnece = false;
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this._lineresulttooltip = new TooltipDialog({
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id: '_lineresulttooltip',
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content: "<span id='measurelineresultspan'>测量结果：</span>"
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});
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},
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onDrawEnd: function(geom) {
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this.inherited(arguments);
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geom.spatialReference.wkid = 4326;
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var results = geodesicUtils.geodesicLengths([geom], Units.METERS);
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var result = results[0];
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if(result > 1000) {
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dom.byId("measurelineresultspan").innerHTML = "测量结果：" + (result / 1000).toFixed(3) + "公里";
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} else {
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dom.byId("measurelineresultspan").innerHTML = "测量结果：" + result.toFixed(0) + "米";
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}
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if(this.graphic != null) {
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this.graphic.setGeometry(geom);
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} else {
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this.graphic = new Graphic(geom, this._symbol);
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this.map.graphics.add(this.graphic);
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}
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},
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activate: function() {
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this.inherited(arguments);
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dijit.Tooltip.defaultPosition = ["below"];
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popup.open({
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popup: this._lineresulttooltip,
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around: this.domNode
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});
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dom.byId("measurelineresultspan").innerHTML = "测量结果：";
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},
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deactivate: function() {
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this.inherited(arguments);
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popup.close(this._lineresulttooltip);
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this.map.graphics.remove(this.graphic);
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this.graphic = null;
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},
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});
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return RL;
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});
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