| 1 | <html xmlns="http://www.w3.org/1999/xhtml"> |
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| 2 | <head> |
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| 3 | <title>Open Space Tutorial - Example 1</title> |
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| 4 | <script type="text/javascript" src="http://openspace.ordnancesurvey.co.uk/osmapapi/openspace.js?key=413F829AAE11F96EE0405F0AF060395F"></script> |
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| 5 | |
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| 6 | <script src="yahoo.js" type="text/javascript"></script> |
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| 7 | <script src="dom.js" type="text/javascript"></script> |
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| 8 | <script src="event.js" type="text/javascript"></script> |
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| 9 | <script src="jsr_class.js" type="text/javascript"></script> |
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| 10 | <script src="jscoord-1.1.1.js" type="text/javascript"></script> |
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| 11 | <script src="prototype.js" type="text/javascript"></script> |
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| 12 | </head> |
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| 13 | <body onload="init()"> |
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| 14 | |
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| 15 | <script type="text/javascript"> |
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| 16 | <!-- |
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| 17 | |
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| 18 | var osMap; |
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| 19 | var markers; |
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| 20 | var url = "/cgi/get-postcodes.fcgi"; |
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| 21 | var grid = "osgb"; |
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| 22 | |
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| 23 | var successHandler = function(o){ |
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| 24 | eval(o.responseText); |
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| 25 | } |
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| 26 | |
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| 27 | var failHander = function(o) { |
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| 28 | // Don't do anything |
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| 29 | $('spinner').innerHTML = '<p class="error">Problem showing existing data.</p>'; |
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| 30 | } |
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| 31 | |
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| 32 | function drawExisting() { |
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| 33 | var bounds = osMap.calculateBounds(); |
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| 34 | var params = "mineasting=" + bounds.left + "&maxeasting=" + bounds.right + "&minnorthing=" + bounds.bottom + "&maxnorthing=" + bounds.top + "&grid=" + grid; |
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| 35 | $('spinner').innerHTML = '<p>Fetching postcodes, please wait</p>'; |
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| 36 | |
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| 37 | var myAjax = new Ajax.Request(url, { |
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| 38 | method: 'get', |
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| 39 | parameters: params, |
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| 40 | onComplete: successHandler, |
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| 41 | onFailure: failHander |
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| 42 | }); |
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| 43 | } |
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| 44 | |
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| 45 | function init() |
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| 46 | { |
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| 47 | osMap = new OpenSpace.Map('map'); |
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| 48 | osMap.setCenter(new OpenSpace.MapPoint(438760, 114760), 8); |
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| 49 | |
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| 50 | markers = new OpenLayers.Layer.Markers("Markers"); |
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| 51 | osMap.addLayer(markers); |
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| 52 | |
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| 53 | drawExisting(); |
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| 54 | } |
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| 55 | |
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| 56 | function addMarker(postcode, easting, northing, others ) { |
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| 57 | var id = others[0]; |
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| 58 | var source = others[1]; |
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| 59 | var source_name = ((source == 0 || source == 2) ? 'this site' : '<a href="http://www.freethepostcode.org/">freethepostcode.org</a>'); |
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| 60 | |
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| 61 | var pos = new OpenSpace.MapPoint(easting, northing); |
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| 62 | var content = "<div><b>Postcode:</b> " + postcode + "<br /><b>Location:</b> " + easting + ", " + northing + "<br /><b>Source:</b> " + source_name + "<br /><b>ID:</b> " + id + "</div>"; |
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| 63 | |
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| 64 | var marker = osMap.createMarker(pos, null, content); |
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| 65 | markers.addMarker(marker); |
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| 66 | } |
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| 67 | |
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| 68 | function completeMarkers() { |
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| 69 | $('spinner').innerHTML = " "; |
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| 70 | } |
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| 71 | |
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| 72 | // --> |
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| 73 | </script> |
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| 74 | |
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| 75 | <h1>Displaying a marker on a map</h1> |
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| 76 | |
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| 77 | <div id="map" style="width: 500px; height: 300px; border: 1px solid black;"></div> |
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| 78 | |
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| 79 | <div id="spinner" /> |
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| 80 | |
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| 81 | </body> |
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| 82 | </html> |
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