/**
 * 面测量工具
 * @author 温杨彪 2015-9-13
 **/
define([
	"dojo/_base/declare",
	"controls/toolbar/tools/DrawBaseTool",
	"esri/toolbars/draw",
	"dojo/dom-style",
	"dijit/TooltipDialog",
	"dijit/popup",
	"esri/geometry/geometryEngine",
	"dojo/dom",
	"base/utils/RendererUtil",
	"esri/graphic",
	"esri/geometry/geodesicUtils",
	"esri/units"
], function(
	declare,
	DrawBaseTool,
	Draw,
	domStyle,
	TooltipDialog,
	popup,
	geometryEngine,
	dom,
	RendererUtil,
	Graphic,
	geodesicUtils,
	Units
) {
	var RL = declare([DrawBaseTool], {
		_tooltip: null,
		graphic: null,
		_symbol: null,
		constructor: function(args) {
			this._normalIconClass = "tool-measurepolygon-normal";
			this._overIconClass = "tool-measurepolygon-over";
			this._selectedIconClass = "tool-measurepolygon-select";
			this._drawType = Draw.POLYGON;
			this.tooltip = "测量面积";
			this._symbol = RendererUtil.createSymbol({
				type: "SimpleFillSymbol",
				"outline": {
					style: "solid",
					width: 2,
					alpha: 0.5,
					color: "#FD8044"
				},
				width: 2,
				alpha: 0.5,
				color: "#FD8044"
			});
		},
		postCreate: function() {
			this.inherited(arguments);
			this._isDrawOnece = false;
			this._tooltip = new TooltipDialog({
				id: '_polygonresulttooltip',
				content: "<span id='measurepolygonresultspan'>测量结果：</span>"
			});
			/*    		domStyle.set(this.tool, "border-top-right-radius", "5px");
						domStyle.set(this.tool, "border-bottom-right-radius", "5px");
						domStyle.set(this.tool, "margin-right", "10px");*/
		},
		onDrawEnd: function(geom) {
			this.inherited(arguments);
			geom.spatialReference.wkid = 4490;
			var results = geodesicUtils.geodesicAreas([geom], Units.SQUARE_METERS);
			var result = results[0];
			if(result > 100000000) {
				dom.byId("measurepolygonresultspan").innerHTML = "测量结果：" + (result / 1000000).toFixed(2) + "平方千米";
			} else if(result > 10000) {
				dom.byId("measurepolygonresultspan").innerHTML = "测量结果：" + (result / 10000).toFixed(2) + "公顷";
			} else {
				dom.byId("measurepolygonresultspan").innerHTML = "测量结果：" + result.toFixed(0) + "平方米";
			}
			if(this.graphic != null) {
				this.graphic.setGeometry(geom);
			} else {
				this.graphic = new Graphic(geom, this._symbol);
				this.map.graphics.add(this.graphic);
			}
		},
		activate: function() {
			this.inherited(arguments);
			dijit.Tooltip.defaultPosition = ["below"];
			popup.open({
				popup: this._tooltip,
				around: this.domNode
			});
			dom.byId("measurepolygonresultspan").innerHTML = "测量结果：";
		},
		deactivate: function() {
			this.inherited(arguments);
			popup.close(this._tooltip);
			this.map.graphics.remove(this.graphic);
			this.graphic = null;
		},
	});
	return RL;
});