OpenLayers-based Javascript class definition for map Encapsulation

Zookeeper

OpenLayers-based Javascript class definition for map Encapsulation

MapCwgisClass. js

// Web map encapsulation class // MapCwgisClass class definition // vp: hsg, myk // create date: 2013-07-26 // class prototype definition var Person = function () {this. m_Name = "good";} Person. prototype = {m_Name: '', getName: function () {return this. m_Name ;}// class prototype defines var MapCwgisClass = function () {// OpenLayers Environment Parameter OpenLayers. IMAGE_RELOAD_ATTEMPTS = 5; OpenLayers. DOTS_PER_INCH = 25.4/0.28; OpenLayers. INCHES_PER_UNIT ["km"] = OpenLayers. INCHES_PER_UNIT ["km"]; OpenLayers. INCHES_PER_UNIT ["meters"] = OpenLayers. INCHES_PER_UNIT ["m"]; OpenLayers. INCHES_PER_UNIT ["Miles"] = OpenLayers. INCHES_PER_UNIT ["mi"]; OpenLayers. INCHES_PER_UNIT ["Inch"] = OpenLayers. INCHES_PER_UNIT ["ft"]; this. defaultFormat = 'image/png '; // this. map = null;} MapCwgisClass. prototype = {// property wms_url: null, wms_url_getFeature: null, map_divid: null, map: null, currentClientPoint: null, currentClientMapPo Int: null, m_CurrentTool: null, ProxyHost: null, defaultFormat: null, defaprojecprojection: null, defaultBounds: null, vlayer_drawFeature: null, layer_Highlight: null, LayerList: null, // custom wms layer attribute map_Raster: null, map_Cadastra: null, // layer name layer_DOM: "RFS_DOM", // DOM layer name; layer_XZQ: "RFS_XZQ ", // Administrative Region layer name layer_DX: "RFS_MZDW", // other geographic layer name layer_ZD: "RFS_CBD_ZD", // consortium name // new layer layer_ZD_LS: "RFS_CBD_LS ", // plot calendar Layer Name // method // initialization Map Method init: function () {// OpenLayers. ProxyHost = 'geoserverproxy. aspx? URL = '; OpenLayers. proxyHost = this. proxyHost; // default parameter this. defaultProjection = "EPSG: 2358"; this. defaultBounds = new OpenLayers. bounds (34602000.15, 3318000.3500000006, 34609999.65, 3326999.8500000006); var bounds = this. defaultBounds; // option var options = {controls: [], // Add new OpenLayers in the [] field if the edit box is added. control. editingToolbar (vlayer) maxExtent: bounds, maxResolution: 35.154296875, projection: this.de FaultProjection, units: 'M', allOverlays: false // true indicates that overlapping layers are allowed}; // map object initialization this. map = new OpenLayers. map (this. map_divid, options); map = this. map; // assign mapWrap = this to the global variable map; // assign var t_LLPoint = new OpenLayers to the global variable. lonLat (0, 0); // this. setCenterPoint (t_LLPoint, 3); // zoom in to the specified range map // this. map. zoomToExtent (bounds); //}, setCenterPoint: function (openLayerLonLatPoint, Level) {if (this. map! = Null) {this. map. setCenter (openLayerLonLatPoint, Level) ;}, // create a wms layer createLayerWms: function (p_mapName, p_wms_url, p_layers) {var t_mapLayer = new OpenLayers. layer. WMS (p_mapName, p_wms_url, {layers: p_layers, styles: '', tiled: true, srs: defaultProjection, format: defaultFormat}, {singleTile: true, ratio: 1 }); return t_mapLayer;}, // create a Vector layer createLayerVector: function (p_LayerName) {var T_layer_vector = new OpenLayers. layer. vector (p_LayerName); return t_layer_vector;}, // create a query layer createLayerQuery: function (p_QueryLayerName) {var t_querylayerName = 'query layername '; if (p_QueryLayerName! = Null & p_QueryLayerName! = "") {T_querylayerName = p_QueryLayerName;} var t_styleMap = new OpenLayers. styleMap ({"default": {strokeColor: "# FF0000", strokeOpacity: 1, fillColor: "# 6699ff", fillOpacity: 0.2}); var t_layer_Query = new OpenLayers. layer. vector (t_querylayerName, t_styleMap); return t_layer_Query;}, // Add layer addLayer: function (pLayer) {if (this. map! = Null) {this. map. addLayers ([pLayer]) ;}}, // Add layer set addLayers: function (pLayers) {if (this. map! = Null) {this. map. addLayers ([pLayers]) ;}}, // Add control of common Map System Tools // Add system command control OK addSystemCommands: function () {// this. map. addControl (new OpenLayers. control. layerSwitcher (); // Add the scale line var t_scaleline = new OpenLayers. control. scaleLine ({topOutUnits: "km", topInUnits: "meters", bottomOutUnits: "Miles", bottomInUnits: "inches"}); t_scaleline.setMap (this. map); this. map. addControl (t_scaleline); // Add scale var t_scale = new Ope NLayers. control. scale (); t_scale.setMap (this. map); this. map. addControl (t_scale); // Add the mouse point var t_mouseposition = new OpenLayers. control. mousePosition (); t_mouseposition.setMap (this. map); this. map. addControl (t_mouseposition); // Add the eagleeye chart var t_ovmap = new OpenLayers. control. LTOverviewMap (); t_ovmap.setMap (this. map); this. map. addControl (t_ovmap); // Add the Zomm animation var t_zommAnimation = new OpenLayers. control. LTZommAnim Ation (); t_zommAnimation.setMap (this. map); this. map. addControl (t_zommAnimation); // Add a translation zoom bar var t_panZoomBar = new OpenLayers. control. panZoomBar ({position: new OpenLayers. pixel (2, 15)}); t_panZoomBar.setMap (this. map); this. map. addControl (t_panZoomBar); // Add var t_navigation = new OpenLayers. control. navigation (); t_navigation.setMap (this. map); this. map. addControl (t_navigation);}, addSystemCommands _ Normal: function () {// Add the mouse point var t_mouseposition = new OpenLayers. control. mousePosition (); t_mouseposition.setMap (this. map); this. map. addControl (t_mouseposition); // Add the Zomm animation var t_zommAnimation = new OpenLayers. control. using ommanimation (); t_zommAnimation.setMap (this. map); this. map. addControl (t_zommAnimation);}, // Add measurement Command Control addMeasureCommands: function () {// measurement control operation var sketchSymbolizers = {"Point": {gr AphicName: "cross", graphicHeight: 8, graphicWidth: 8, fillColor: "# FF0000", fillOpacity: 1, strokeWidth: 0, }, "Line": {strokeWidth: 1.5, strokeOpacity: 1, strokeColor: "# 0000FF"}, "Polygon": {strokeWidth: 1.5, strokeOpacity: 1, strokeColor: "# 0000FF", fillColor: "# ccccff ", fillOpacity: 0.3 }}; var style = new OpenLayers. style (); style. addRules ([new OpenLayers. rule ({symbolizer: sketchSymboli Zers})]); var styleMap = new OpenLayers. styleMap ({"default": style}); var renderer = OpenLayers. util. getParameters (window. location. href ). renderer; renderer = (renderer )? [Renderer]: OpenLayers. layer. vector. prototype. renderers; var options = {persist: true, handlerOptions: {style: "default", layerOptions: {renderers: renderer, styleMap: styleMap }}; // line, surface Measurement measureControls = {line: new OpenLayers. control. measure (OpenLayers. handler. path, options), polygon: new OpenLayers. control. measure (OpenLayers. handler. polygon, options)}; var control; for (var key in measureControls) {control = measureControls [key]; control. events. on ({"measure": handleMeasure, // "measurepartial": handleMeasurePartial // when the measurement distance is added to a point}); this. map. addControl (control); this. layerList. add (control) ;}}, // command point, line, and surface addDrawFeatureCommands: function () {this. vlayer_drawFeature = new OpenLayers. layer. vector (); this. map. addLayer (vlayer_drawFeature); drawControls = {point: new OpenLayers. control. drawFeature (this. vlayer_drawFeature, OpenLayers. handler. point), line: new OpenLayers. control. drawFeature (this. vlayer_drawFeature, OpenLayers. handler. path), polygon: new OpenLayers. control. drawFeature (this. vlayer_drawFeature, OpenLayers. handler. polygon)}; for (var key in drawControls) {this. map. addControl (drawControls [key]); this. layerList. add (drawControls [key]) ;}}, // add panel addPanel: function () {var panel = new OpenLayers. control. panel (); this. map. addControls (panel); addPanelControls = {zoomBox: new OpenLayers. control. zoomBox ()}; for (var key in addPanelControls) {this. map. addControl (addPanelControls [key]) ;}}, // zoomToFeatures: function (features) {if (features = null | features = 'undefined') return; var left = 0; var top = 0; var right = 0; var bottom = 0; // for (I = 0; I
 
  
Top | top = 0) top = geoBound. top; if (geoBound. right> right | right = 0) right = geoBound. right; if (geoBound. bottom