define(["dojo/_base/declare", "esri/toolbars/draw", "esri/graphic", "esri/tasks/query", "esri/tasks/QueryTask", "esri/graphic", "esri/symbols/SimpleLineSymbol", "esri/symbols/SimpleFillSymbol", "esri/symbols/SimpleMarkerSymbol", "esri/symbols/PictureFillSymbol", "esri/Color", "esri/layers/FeatureLayer", "esri/geometry/Point", "esri/geometry/Polygon", "esri/geometry/Circle", "esri/layers/GraphicsLayer"], function (declare, Draw, Graphic, Query, QueryTask, Graphic, SimpleLineSymbol, SimpleFillSymbol, SimpleMarkerSymbol, PictureFillSymbol, Color, FeatureLayer, Point, Polygon, Circle, GraphicsLayer) {
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var clazz, tb;
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clazz = declare("Draw", null, {
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constructor: function () { },
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drawtools: function (tool) {
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isTools = true;
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tb = new Draw(map);
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tb.on("draw-end", this.addGraphic);
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map.disableMapNavigation();
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tb.activate(tool);
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map.graphics.clear();
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var removeTempLayer = map.getLayer(10086);
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if (removeTempLayer != undefined) {
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map.removeLayer(removeTempLayer)
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}
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},
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addGraphic: function (evt) {
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tb.deactivate();
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map.enableMapNavigation();
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var symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([0, 0, 0]), 1), new dojo.Color([169, 169, 169, 0.2]));
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map.graphics.add(new Graphic(evt.geometry, symbol));
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var query = new Query();
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query.geometry = evt.geometry;
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query.outFields = ["*"];
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query.spatialRelationship = Query.SPATIAL_REL_INTERSECTS;
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query.returnGeometry = true;
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setRegionUrl("http://71.3.110.202:6080/arcgis/rest/services/HYHD/HD/MapServer/1");
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if (drawRegionUrl == "") {
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alert("请先选择要查询的图层");
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map.graphics.clear();
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return
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}
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var tempLayer = new FeatureLayer(drawRegionUrl, {
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id: "10086",
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visible: true
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});
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var queryTask = new QueryTask(drawRegionUrl);
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queryTask.execute(query, function (result) {
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var objectids = "";
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for (var i = 0; i < result.features.length; i++) {
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objectids += result.features[i].attributes.OBJECTID.toString() + ","
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}
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drawRegion(evt.geometry, result.features);
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tempLayer.setDefinitionExpression("OBJECTID in (" + objectids.substring(0, objectids.length - 1) + ")");
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map.addLayer(tempLayer)
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});
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isTools = false
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},
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selectForParam: function (rings, center, radiu) {
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if (rings != null) {
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var polygon = new Polygon({
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rings: [rings],
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spatialReference: {
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"wkid": 4326
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}
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});
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var tgraphic = new Graphic(polygon);
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tb = new Draw(map);
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map.disableMapNavigation();
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this.addGraphic(tgraphic)
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} else if (center != null && radiu != null) {
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var circle = new Circle({
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center: center,
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radius: radius
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});
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var tgraphic = new Graphic(circle);
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tb = new Draw(map);
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map.disableMapNavigation();
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this.addGraphic(tgraphic)
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}
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},
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getCoordsByDraw: function (tool) {
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isTools = true;
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tb = new Draw(map);
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tb.on("draw-end", this.addEmptyGraphic);
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map.disableMapNavigation();
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tb.activate(tool);
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map.graphics.clear()
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},
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addEmptyGraphic: function (evt) {
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tb.deactivate();
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map.enableMapNavigation();
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symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([255, 0, 0]), 1), new dojo.Color([169, 169, 169, 0.2]));
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map.graphics.add(new Graphic(evt.geometry, symbol));
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isTools = false;
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callbackCoords(evt.geometry)
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},
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showRegionByCoords: function (tool, geometry, radius) {
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if (tool == "rectangle" || tool == "polygon") {
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var polygon = new Polygon({
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rings: [eval(geometry)],
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spatialReference: map.spatialReference
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});
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var tgraphic = new Graphic(polygon);
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tb = new Draw(map);
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map.disableMapNavigation();
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this.addEmptyGraphic(tgraphic)
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} else if (tool == "circle") {
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var point = new Point({
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x: eval(geometry)[0][0],
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y: eval(geometry)[0][1],
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spatialReference: {
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wkid: 102100,
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latestWkid: 3857
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}
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});
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var circle = new Circle({
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center: point,
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geodesic: false,
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radius: parseFloat(radius)
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});
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var tgraphic = new Graphic(circle);
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tb = new Draw(map);
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map.disableMapNavigation();
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this.addEmptyGraphic(tgraphic)
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}
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},
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addEmptyGraphicToLayer: function (evt, layer) {
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tb.deactivate();
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map.enableMapNavigation();
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symbol = new esri.symbol.SimpleFillSymbol(esri.symbol.SimpleFillSymbol.STYLE_SOLID, new esri.symbol.SimpleLineSymbol(esri.symbol.SimpleLineSymbol.STYLE_SOLID, new dojo.Color([0, 100, 255]), 1), new dojo.Color([0, 169, 169, 0.9]));
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layer.add(new Graphic(evt.geometry, symbol));
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isTools = false;
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callbackCoords(evt.geometry)
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},
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showRegionByCoordsToLayer: function (tool, geometry, radius, layerId) {
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var tempLayer;
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if (map.graphicsLayerIds.indexOf(layerId) >= 0) {
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tempLayer = map.getLayer(layerId);
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} else {
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tempLayer = new GraphicsLayer({
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id: layerId
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})
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map.addLayer(tempLayer);
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}
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if (tool == "rectangle" || tool == "polygon") {
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var polygon = new Polygon({
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rings: [eval(geometry)],
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spatialReference: map.spatialReference
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});
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var tgraphic = new Graphic(polygon);
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tb = new Draw(map);
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map.disableMapNavigation();
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this.addEmptyGraphicToLayer(tgraphic, tempLayer)
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} else if (tool == "circle") {
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var point = new Point({
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x: eval(geometry)[0][0],
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y: eval(geometry)[0][1],
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spatialReference: {
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wkid: 102100,
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latestWkid: 3857
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}
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});
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var circle = new Circle({
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center: point,
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geodesic: false,
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radius: parseFloat(radius)
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});
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var tgraphic = new Graphic(circle);
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tb = new Draw(map);
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map.disableMapNavigation();
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this.addEmptyGraphicToLayer(tgraphic, tempLayer)
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}
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}
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});
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clazz.getInstance = function () {
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if (instance === null) {
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instance = new clazz()
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}
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return instance
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};
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return clazz
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});
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