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+<html>
+<head>
+ <script type="text/javascript">var oldAlert = window.alert, gMess; window.alert = function(message) {gMess = message; return true;};</script>
+ <!-- this gmaps key generated for http://openlayers.org/dev/ -->
+ <script src='http://maps.google.com/maps?file=api&amp;v=2&amp;key=ABQIAAAA9XNhd8q0UdwNC7YSO4YZghSPUCi5aRYVveCcVYxzezM4iaj_gxQ9t-UajFL70jfcpquH5l1IJ-Zyyw'></script>
+ <script src="../OLLoader.js"></script>
+ <script type="text/javascript">
+ var validkey = (window.location.protocol == "file:") ||
+ (window.location.host == "localhost") ||
+ (window.location.host == "openlayers.org");
+
+ function test_initialize(t) {
+ t.plan(2);
+ var control = new OpenLayers.Control.ScaleLine();
+ t.ok(control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" );
+ t.eq(control.displayClass, "olControlScaleLine", "displayClass is correct" );
+ control.destroy();
+ }
+
+ function test_initwithelem(t) {
+ t.plan(1);
+ var control = new OpenLayers.Control.ScaleLine({"div":OpenLayers.Util.getElement('ScaleLine')});
+ t.ok(true, "If this happens, then we passed. (FF throws an error above otherwise)");
+ control.destroy();
+ }
+
+ function test_calcDegrees(t) {
+ t.plan(5);
+ var control = new OpenLayers.Control.ScaleLine();
+ t.ok(control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" );
+ var map = new OpenLayers.Map('map');
+ var layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
+ map.addLayer(layer);
+ map.zoomTo(0);
+ map.addControl(control);
+ t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present.");
+ t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present.");
+ t.eq(control.div.firstChild.innerHTML, "10000 km", "top scale has correct text.");
+ t.eq(control.div.lastChild.innerHTML, "5000 mi", "bottom scale has correct text.");
+ map.destroy();
+ }
+
+ function test_calcsOther (t) {
+ t.plan(5);
+ var control = new OpenLayers.Control.ScaleLine();
+ t.ok(control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" );
+ var map = new OpenLayers.Map('map');
+ map.units = "mi";
+ var layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
+ map.addLayer(layer);
+ map.zoomTo(0);
+ map.addControl(control);
+ t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present.");
+ t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present.");
+ t.eq(control.div.firstChild.innerHTML, "100 km", "top scale has correct text.");
+ t.eq(control.div.lastChild.innerHTML, "100 mi", "bottom scale has correct text.");
+ map.destroy();
+ }
+
+ function test_calcMeters (t) {
+ t.plan(5);
+ // this example is taken from the projected-map.html OpenLayers example
+ var lat = 900863;
+ var lon = 235829;
+ var zoom = 6;
+ var map = new OpenLayers.Map( 'map' );
+ var basemap = new OpenLayers.Layer.WMS( "Boston",
+ "http://boston.freemap.in/cgi-bin/mapserv?",
+ {
+ map: '/www/freemap.in/boston/map/gmaps.map',
+ layers: 'border,water,roads,rapid_transit,buildings',
+ format: 'png',
+ transparent: 'off'
+ },
+
+ {
+ maxExtent: new OpenLayers.Bounds(33861, 717605, 330846, 1019656),
+ maxResolution: 296985/1024,
+ projection:"EPSG:2805", // Used in WMS/WFS requests.
+ units: "m" // Only neccesary for working with scales.
+ } );
+
+ map.addLayer(basemap);
+ map.setCenter(new OpenLayers.LonLat(lon, lat), zoom);
+ map.addControl(new OpenLayers.Control.LayerSwitcher());
+ var control = new OpenLayers.Control.ScaleLine();
+ t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" );
+ map.addControl(control);
+ t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present.");
+ t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present.");
+ t.eq(control.div.firstChild.innerHTML, "200 m", "top scale has correct text.");
+ t.eq(control.div.lastChild.innerHTML, "1000 ft", "bottom scale has correct text.");
+ map.destroy();
+ }
+
+ function test_useArguments (t) {
+ t.plan(5);
+ var control = new OpenLayers.Control.ScaleLine({topOutUnits: 'dd'} );
+ t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" );
+ var map = new OpenLayers.Map('map');
+ var layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
+ map.addLayer(layer);
+ map.zoomTo(0);
+ map.addControl(control);
+ t.eq(control.div.firstChild.style.visibility, "visible", "top scale is present.");
+ t.eq(control.div.lastChild.style.visibility, "visible", "bottom scale is present.");
+ t.eq(control.div.firstChild.innerHTML, "100 dd", "top scale has correct text.");
+ t.eq(control.div.lastChild.innerHTML, "5000 mi", "bottom scale has correct text.");
+ map.destroy();
+ }
+
+ function test_respectZoom (t) {
+ if(validkey) {
+ t.plan( 4 );
+ } else {
+ t.plan( 3 );
+ }
+ // ok, switch the units we use for zoomed in values. This will test that we're both
+ // correctly respecting all specified parameters and that we're switching to the
+ // "in" units when zoomed in
+ var control = new OpenLayers.Control.ScaleLine({topOutUnits : "mi", bottomOutUnits: "km", topInUnits: 'ft', bottomInUnits: 'm'});
+ t.ok( control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" );
+ var map = new OpenLayers.Map('map');
+ var layer = new OpenLayers.Layer.WMS('Test Layer', "http://octo.metacarta.com/cgi-bin/mapserv", {map: '/mapdata/vmap_wms.map', layers: 'basic', format: 'image/jpeg'});
+ map.addLayer(layer);
+ map.zoomTo(0);
+ map.addControl(control);
+ var widthIsOk = true;
+ for (var i=0; i<map.numZoomLevels && widthIsOk; i++) {
+ map.zoomTo(i);
+ var w1 = parseInt(control.eTop.style.width);
+ var w2 = parseInt(control.eBottom.style.width);
+ widthIsOk = w1 <= control.maxWidth && w2 <= control.maxWidth;
+ }
+ t.ok(widthIsOk, "respects maxWidth at all zoom levels in dd");
+
+ widthIsOk = true;
+ control.maxWidth = 200;
+ for (var i=0; i<map.numZoomLevels && widthIsOk; i++) {
+ map.zoomTo(i);
+ var w1 = parseInt(control.eTop.style.width);
+ var w2 = parseInt(control.eBottom.style.width);
+ widthIsOk = w1 <= control.maxWidth && w2 <= control.maxWidth;
+ }
+ t.ok(widthIsOk, "respects modified maxWidth at all zoom levels in dd");
+
+ if (validkey) {
+ var map = new OpenLayers.Map('map');
+ var layer = new OpenLayers.Layer.Google('Goog Layer');
+ var control = new OpenLayers.Control.ScaleLine({topOutUnits : "mi", bottomOutUnits: "km", topInUnits: 'ft', bottomInUnits: 'm'});
+ map.addLayer(layer);
+ map.zoomTo(0);
+ map.addControl(control);
+ var widthIsOk = true;
+ for (var i=0; i<map.numZoomLevels && widthIsOk; i++) {
+ map.zoomTo(i);
+ var w1 = parseInt(control.eTop.style.width);
+ var w2 = parseInt(control.eBottom.style.width);
+ widthIsOk = w1 <= control.maxWidth && w2 <= control.maxWidth;
+ }
+ t.ok(widthIsOk, "respects maxWidth at all zoom levels in m");
+ } else {
+ t.debug_print("Google tests can't be run from " +
+ window.location.host);
+ }
+
+ map.destroy();
+ }
+ function test_ie_oneunit(t) {
+ t.plan(2);
+ var control = new OpenLayers.Control.ScaleLine({bottomOutUnits:'',bottomInUnits:'',maxWidth:150});
+ t.ok(control instanceof OpenLayers.Control.ScaleLine, "new OpenLayers.Control returns object" );
+ var map = new OpenLayers.Map('map');
+ var layer = new OpenLayers.Layer.WMS('Test Layer', "bogus", {});
+ map.addLayer(layer);
+ map.zoomTo(0);
+ map.addControl(control);
+ t.ok(true, "invisible bottom scale doesn't cause scaleline failure (IE only)");
+ map.destroy();
+ }
+ </script>
+</head>
+<body>
+ <a id="ScaleLine" href="">ScaleLine</a> <br/>
+ <div id="map" style="width: 1024px; height: 512px;"/>
+</body>
+</html>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 22:17:05 +0000