dde45696f7
Since draw is the only tile operation that we defer, the tile queue can be an array of tiles and queue handling can be simplified. We now use the beforedraw event to defer drawing, and remove all occurrences of a tile from the tile queue when we draw it. Instead of layers that want to defer tile drawing having to override the tile's draw method, layers can now abort drawing by returning false from a beforedraw listener, and later call draw(true) to draw the tile directly, without clearing it first.
184 lines
6.7 KiB
HTML
184 lines
6.7 KiB
HTML
<html>
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<head>
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<script src="../../OLLoader.js"></script>
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<script type="text/javascript">
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// turn off animation frame handling, so we can check img urls in tests
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delete OpenLayers.Layer.Grid.prototype.queueTileDraw;
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var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
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var isOpera = (navigator.userAgent.indexOf("Opera") != -1);
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var isIE = (navigator.userAgent.indexOf("MSIE") != -1);
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var map, layer;
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var position = new OpenLayers.Pixel(20,30);
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var bounds = new OpenLayers.Bounds(1,2,3,4);
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var url = "http://www.openlayers.org/dev/tests/tileimage";
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var size = new OpenLayers.Size(5,6);
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var name = "OpenaLayers WMS";
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var wmsUrl = "http://labs.metacarta.com/wms/vmap0?";
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function test_Tile_Image_IFrame_create (t) {
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t.plan( 3 );
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map = new OpenLayers.Map('map');
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var bar = new Array(205).join("1234567890");
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layer = new OpenLayers.Layer.WMS(name, wmsUrl,
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{layers: 'basic', foo: bar},
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{tileOptions: {maxGetUrlLength: 2048},
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transitionEffect: 'resize'});
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map.addLayer(layer);
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var tile = layer.addTile(bounds, position);
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tile.draw();
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t.eq(tile.imgDiv.nodeName.toLowerCase(), "iframe", "IFrame used for long URL");
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layer.mergeNewParams({foo: null});
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tile.draw();
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t.eq(tile.imgDiv.nodeName.toLowerCase(), "img", "IMG used for short URL");
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tile.maxGetUrlLength = 0;
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tile.draw();
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t.eq(tile.imgDiv.nodeName.toLowerCase(), "iframe", "IFrame used when maxGetUrlLength is 0");
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tile.destroy();
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layer.destroy();
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map.destroy();
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}
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function test_Tile_Image_IFrame_clear (t) {
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t.plan( 1 );
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map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, wmsUrl, {layers: 'basic'}, {tileOptions: {maxGetUrlLength: 0}});
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map.addLayer(layer);
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tile = layer.addTile(bounds, position);
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tile.draw();
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tile.clear();
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t.eq(
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tile.frame.getElementsByTagName("iframe").length, 0,
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"IFrame removed on clear()");
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tile.destroy();
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layer.destroy();
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map.destroy();
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}
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function test_Tile_Image_IFrame_initImage (t) {
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t.plan( 2 );
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map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, wmsUrl, {layers: 'basic'}, {tileOptions: {maxGetUrlLength: 0}});
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map.addLayer(layer);
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tile = layer.addTile(bounds, position);
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tile.url = layer.getURL(bounds);
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tile.initImage();
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if(isMozilla) {
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t.ok( tile.imgDiv instanceof HTMLElement, "tile.iFrame successfully created.");
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}
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else {
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t.ok( tile.imgDiv != null, "tile.iFrame successfully created.");
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}
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t.eq( tile.imgDiv.className, "olTileImage", "iFrame's className correctly set.");
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map.destroy();
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}
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function test_Tile_Image_IFrame_createImage (t) {
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t.plan( 9 );
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map = new OpenLayers.Map('map');
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layer = new OpenLayers.Layer.WMS(name, wmsUrl, {layers: 'basic'}, {tileOptions: {maxGetUrlLength: 0}});
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map.addLayer(layer);
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var tile = layer.addTile(bounds, position);
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tile.draw();
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var iFrame = tile.imgDiv;
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var eventPane = tile.frame.childNodes[0];
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t.ok(OpenLayers.String.contains(eventPane.style.backgroundImage,
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tile.blankImageUrl),
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"backgroundImage of eventPane is set.");
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t.eq(parseInt(eventPane.style.zIndex, 10), 1, "zIndex of eventPane is set.");
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if(isIE) {
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t.ok(iFrame != null, "IFrame successfully created.");
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t.eq(iFrame.style.backgroundColor, '#ffffff', "backgroundColor correctly set.");
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t.eq(iFrame.style.filter, 'chroma(color=#FFFFFF)', "filter correctly set.");
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} else {
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t.ok(iFrame instanceof HTMLElement, "IFrame successfully created.");
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t.ok(true, 'Skip IFrame backgroundColor test outside IE');
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t.ok(true, 'Skip IFrame filter test outside IE');
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}
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t.eq( iFrame.scrolling, 'no', "no scrolling");
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t.eq( parseFloat(iFrame.marginWidth), 0, "no margin width");
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t.eq( parseFloat(iFrame.marginHeight), 0, "no margin height");
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t.eq( parseFloat(iFrame.frameBorder), 0, "no iframe border");
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map.destroy();
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}
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function test_Tile_Image_IFrame_createRequestForm (t) {
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t.plan( 6 );
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var tParams = {
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SERVICE: "WMS", VERSION: "1.1.1",
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REQUEST: "GetMap", STYLES: "",
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FORMAT: "image/jpeg",
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SRS: "EPSG:4326", BBOX: [1,2,3,4],
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WIDTH: String(size.w), HEIGHT: String(size.h)
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};
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var newLayer = new OpenLayers.Layer.WMS("Name",
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"http://labs.metacarta.com/TESTURL",
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tParams,
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{tileSize: size, tileOptions: {maxGetUrlLength: 0}});
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map = new OpenLayers.Map('map');
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map.addLayer(newLayer);
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tile = newLayer.addTile(bounds, position);
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tile.url = newLayer.getURL(bounds);
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tile.initImage();
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tile.url = newLayer.getURL(bounds);
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var form = tile.createRequestForm();
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if(isMozilla) {
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t.ok( form instanceof HTMLElement, "created html form successfully.");
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}
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else {
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t.ok( form != null, "created html form successfully.");
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}
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var cacheId = newLayer.params["_OLSALT"];
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cacheId = (cacheId ? cacheId + "_" : "") + tile.bounds.toBBOX();
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var url = OpenLayers.Util.urlAppend(newLayer.url, cacheId);
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t.eq( form.method.toLowerCase(), 'post', "form method correctly set.");
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t.eq( form.target, tile.id+'_iFrame', "form target correctly set.");
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t.eq( form.action, url, "form action correctly set.");
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var formParams = {};
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var children = form.childNodes;
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for(var i=0; i<form.childNodes.length; i++) {
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formParams[children[i].name] = children[i].value
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}
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newLayer.params.BBOX = newLayer.params.BBOX.join(",");
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t.eq(newLayer.params, formParams, "html form elements equal layer's parameters.");
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tile.draw();
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tile.clear();
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tile.initImage();
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tile.createRequestForm();
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t.ok(
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tile.imgDiv.nodeName == "IFRAME",
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"Iframe has been reinserted properly"
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);
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tile.destroy();
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newLayer.destroy();
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map.destroy();
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}
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</script>
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</head>
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<body>
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<div id="map" style="height:550px;width:500px"></div>
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</body>
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</html>
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