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GoogleMap Example with Data Binding used// source http://jsbin.com/xavuhi
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| <!DOCTYPE html> | |
| <html><head> | |
| <meta http-equiv='X-UA-Compatible' content='IE=edge' /> | |
| <title>GoogleMap Example with Data Binding used</title> | |
| <script id='sap-ui-bootstrap' type='text/javascript' | |
| src='https://openui5.hana.ondemand.com/resources/sap-ui-core.js' | |
| data-sap-ui-theme='sap_bluecrystal' | |
| data-sap-ui-libs='sap.m'></script> | |
| <script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> | |
| <script> | |
| // PART 1: define the new GoogleMap Control type | |
| sap.ui.core.Control.extend("my.GoogleMap", { // call the new Control type "my.GoogleMap" and let it inherit from sap.ui.core.Control | |
| // the control API: | |
| metadata : { | |
| properties : { // setter and getter are created behind the scenes, incl. data binding and type validation | |
| latitude: "float", | |
| longitude: "float", | |
| zoom: { | |
| type: "int", | |
| defaultValue: 5 | |
| } | |
| } | |
| }, | |
| init: function(){ | |
| this._html = new sap.ui.core.HTML({content:"<div style='height:100%;width:100%;' id='" + this.getId()+"-map'></div>"}); | |
| }, | |
| // the part creating the HTML: | |
| renderer : function(oRm, oControl) { // static function, so use the given "oControl" instance instead of "this" in the renderer function | |
| oRm.write("<div style='height:400px;width:400px;margin:18px;' "); | |
| oRm.writeControlData(oControl); // writes the Control ID and enables event handling - important! | |
| oRm.write(">"); | |
| oRm.renderControl(oControl._html); | |
| oRm.write("</div>"); | |
| }, | |
| // an event handler: | |
| onAfterRendering : function() { | |
| if (!this.initialized) { // after the first rendering initialize the map | |
| this.initialized = true; | |
| var options = { | |
| zoom: this.getZoom(), | |
| center: new google.maps.LatLng(this.getLatitude(),this.getLongitude()), | |
| mapTypeId:"roadmap" | |
| }; | |
| this._map = new google.maps.Map(jQuery.sap.domById(this.getId()+"-map"),options); | |
| // for two-way binding: update position when user drags map | |
| var that = this; | |
| google.maps.event.addListener(this._map, 'center_changed', function() { | |
| var c = this.getCenter(); | |
| that.setProperty("longitude", c.lng(), true); | |
| that.setProperty("latitude", c.lat(), true); | |
| }); | |
| // same for zoom | |
| google.maps.event.addListener(this._map, 'zoom_changed', function() { | |
| that.setProperty("zoom", this.getZoom(), true); | |
| }); | |
| } else { | |
| // after subsequent rerenderings, the map needs to get the current values set | |
| this._map.setCenter(new google.maps.LatLng(this.getLatitude(),this.getLongitude())); | |
| } | |
| }, | |
| setZoom: function(zoomValue) { | |
| this.setProperty("zoom", zoomValue, true); // no rerendering required | |
| if (this.getDomRef()) { // if rendered, directly let the map zoom | |
| this._map.setZoom(zoomValue); | |
| } | |
| return this; | |
| } | |
| }); | |
| jQuery.sap.require("sap.ui.model.json.JSONModel"); | |
| var oModel = new sap.ui.model.json.JSONModel({ | |
| longitude: -122.5, | |
| latitude: 37.7, | |
| zoom: 10 | |
| }); | |
| sap.ui.getCore().setModel(oModel); | |
| // PART 2: instantiate Map control, bind properties and place it onto the page | |
| var myMap = new my.GoogleMap({ | |
| longitude:"{/longitude}", | |
| latitude:"{/latitude}", | |
| zoom: "{/zoom}" | |
| }).placeAt("content"); | |
| // PART 3: interact with the map | |
| new sap.m.Button({ | |
| text: "Get Current Location", | |
| press: function(){ | |
| if (navigator.geolocation) { | |
| navigator.geolocation.getCurrentPosition(function(position) { | |
| myMap.setLatitude(position.coords.latitude) | |
| .setLongitude(position.coords.longitude) | |
| .setZoom(13); | |
| }, function(){ | |
| alert("Error while determining position"); | |
| }); | |
| } | |
| } | |
| }).placeAt("content"); | |
| // PART 4: interact with the map using data binding | |
| new sap.m.Label({text: "Longitude:"}).placeAt("sliders"); | |
| new sap.m.Slider({ | |
| min: -180, | |
| max: 180, | |
| step: 0.1, | |
| value: "{/longitude}" | |
| }).placeAt("sliders"); | |
| new sap.m.Label({text: "Latitude:"}).placeAt("sliders"); | |
| new sap.m.Slider({ | |
| min: -90, | |
| max: 90, | |
| step: 0.1, | |
| value: "{/latitude}" | |
| }).placeAt("sliders"); | |
| new sap.m.Label({text: "Zoom:"}).placeAt("sliders"); | |
| new sap.m.Slider({ | |
| min: 1, | |
| max: 17, | |
| value: "{/zoom}" | |
| }).placeAt("sliders"); | |
| </script> | |
| </head> | |
| <body class='sapUiBody'> | |
| <div id='content'></div> | |
| <hr/> | |
| <div id='sliders'></div> | |
| <script id="jsbin-source-javascript" type="text/javascript"> | |
| </script></body> | |
| </html> | |
| <!-- user:d046011 --><!-- description:GoogleMap as Notepad Control --> |
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Also see OpenUI5 doco on Control Libraries.
From Andreas Kunz presentation.