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<html>
<head>
<script src="../../OLLoader.js"></script>
<script type="text/javascript">
// turn off animation frame handling, so we can check img urls in tests
delete OpenLayers.Layer.Grid.prototype.queueTileDraw;
var isMozilla = (navigator.userAgent.indexOf("compatible") == -1);
var isOpera = (navigator.userAgent.indexOf("Opera") != -1);
var isIElt9 = (parseFloat(navigator.appVersion.split("MSIE")[1]) < 9);
var map, layer;
var position = new OpenLayers.Pixel(20,30);
var bounds = new OpenLayers.Bounds(1,2,3,4);
var url = "http://www.openlayers.org/dev/tests/tileimage";
var size = new OpenLayers.Size(5,6);
var name = "OpenaLayers WMS";
var wmsUrl = "http://labs.metacarta.com/wms/vmap0?";
function test_Tile_Image_IFrame_create (t) {
t.plan( 3 );
map = new OpenLayers.Map('map', {tileManager: null});
var bar = new Array(205).join("1234567890");
layer = new OpenLayers.Layer.WMS(name, wmsUrl,
{layers: 'basic', foo: bar},
{tileOptions: {maxGetUrlLength: 2048},
transitionEffect: 'resize'});
map.addLayer(layer);
var tile = layer.addTile(bounds, position);
tile.draw();
t.eq(tile.imgDiv.nodeName.toLowerCase(), "iframe", "IFrame used for long URL");
layer.mergeNewParams({foo: null});
tile.draw();
t.eq(tile.imgDiv.nodeName.toLowerCase(), "img", "IMG used for short URL");
tile.maxGetUrlLength = 0;
tile.draw();
t.eq(tile.imgDiv.nodeName.toLowerCase(), "iframe", "IFrame used when maxGetUrlLength is 0");
tile.destroy();
layer.destroy();
map.destroy();
}
function test_Tile_Image_IFrame_clear (t) {
t.plan( 1 );
map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS(name, wmsUrl, {layers: 'basic'}, {tileOptions: {maxGetUrlLength: 0}});
map.addLayer(layer);
tile = layer.addTile(bounds, position);
tile.draw();
tile.clear();
t.eq(
tile.frame.getElementsByTagName("iframe").length, 0,
"IFrame removed on clear()");
tile.destroy();
layer.destroy();
map.destroy();
}
function test_Tile_Image_IFrame_initImage (t) {
t.plan( 2 );
map = new OpenLayers.Map('map');
layer = new OpenLayers.Layer.WMS(name, wmsUrl, {layers: 'basic'}, {tileOptions: {maxGetUrlLength: 0}});
map.addLayer(layer);
tile = layer.addTile(bounds, position);
tile.url = layer.getURL(bounds);
tile.initImage();
if(isMozilla) {
t.ok( tile.imgDiv instanceof HTMLElement, "tile.iFrame successfully created.");
}
else {
t.ok( tile.imgDiv != null, "tile.iFrame successfully created.");
}
t.eq( tile.imgDiv.className, "olTileImage", "iFrame's className correctly set.");
map.destroy();
}
function test_Tile_Image_IFrame_createImage (t) {
t.plan( 9 );
map = new OpenLayers.Map('map', {tileManager: null});
layer = new OpenLayers.Layer.WMS(name, wmsUrl, {layers: 'basic'}, {tileOptions: {maxGetUrlLength: 0}});
map.addLayer(layer);
var tile = layer.addTile(bounds, position);
tile.draw();
var iFrame = tile.imgDiv;
var eventPane = tile.frame.childNodes[0];
t.ok(OpenLayers.String.contains(eventPane.style.backgroundImage,
tile.blankImageUrl),
"backgroundImage of eventPane is set.");
t.eq(parseInt(eventPane.style.zIndex, 10), 1, "zIndex of eventPane is set.");
if(isIElt9) {
t.ok(iFrame != null, "IFrame successfully created.");
t.eq(iFrame.style.backgroundColor, '#ffffff', "backgroundColor correctly set.");
t.eq(iFrame.style.filter, 'chroma(color=#FFFFFF)', "filter correctly set.");
} else {
t.ok(iFrame instanceof HTMLElement, "IFrame successfully created.");
t.ok(true, 'Skip IFrame backgroundColor test outside IE < 9');
t.ok(true, 'Skip IFrame filter test outside IE < 9');
}
t.eq( iFrame.scrolling, 'no', "no scrolling");
t.eq( parseFloat(iFrame.marginWidth), 0, "no margin width");
t.eq( parseFloat(iFrame.marginHeight), 0, "no margin height");
t.eq( parseFloat(iFrame.frameBorder), 0, "no iframe border");
map.destroy();
}
function test_Tile_Image_IFrame_createRequestForm (t) {
t.plan( 6 );
var tParams = {
SERVICE: "WMS", VERSION: "1.1.1",
REQUEST: "GetMap", STYLES: "",
FORMAT: "image/jpeg",
SRS: "EPSG:4326", BBOX: [1,2,3,4],
WIDTH: String(size.w), HEIGHT: String(size.h)
};
var newLayer = new OpenLayers.Layer.WMS("Name",
"http://labs.metacarta.com/TESTURL",
tParams,
{tileSize: size, tileOptions: {maxGetUrlLength: 0}});
map = new OpenLayers.Map('map');
map.addLayer(newLayer);
tile = newLayer.addTile(bounds, position);
tile.url = newLayer.getURL(bounds);
tile.initImage();
tile.url = newLayer.getURL(bounds);
var form = tile.createRequestForm();
if(isMozilla) {
t.ok( form instanceof HTMLElement, "created html form successfully.");
}
else {
t.ok( form != null, "created html form successfully.");
}
var cacheId = newLayer.params["_OLSALT"];
cacheId = (cacheId ? cacheId + "_" : "") + tile.bounds.toBBOX();
var url = OpenLayers.Util.urlAppend(newLayer.url, cacheId);
t.eq( form.method.toLowerCase(), 'post', "form method correctly set.");
t.eq( form.target, tile.id+'_iFrame', "form target correctly set.");
t.eq( form.action, url, "form action correctly set.");
var formParams = {};
var children = form.childNodes;
for(var i=0; i<form.childNodes.length; i++) {
formParams[children[i].name] = children[i].value
}
newLayer.params.BBOX = newLayer.params.BBOX.join(",");
t.eq(newLayer.params, formParams, "html form elements equal layer's parameters.");
tile.draw();
tile.clear();
tile.initImage();
tile.createRequestForm();
t.ok(
tile.imgDiv.nodeName == "IFRAME",
"Iframe has been reinserted properly"
);
tile.destroy();
newLayer.destroy();
map.destroy();
}
</script>
</head>
<body>
<div id="map" style="height:550px;width:500px"></div>
</body>
</html>
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