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<html>
<head>
<script src="../OLLoader.js"></script>
<script type="text/javascript">
function test_Control_GetFeature_constructor(t) {
t.plan(3);
var protocol = "foo";
var control = new OpenLayers.Control.GetFeature({
protocol: protocol
});
t.ok(control instanceof OpenLayers.Control.GetFeature,
"new OpenLayers.Control.SelectFeature returns an instance");
t.eq(control.protocol, "foo",
"constructor sets protocol correctly");
control = new OpenLayers.Control.GetFeature({
filterType: OpenLayers.Filter.Spatial.INTERSECTS
});
t.eq(control.filterType, OpenLayers.Filter.Spatial.INTERSECTS,
"constructor sets filterType correctly");
}
function test_Control_GetFeature_select(t) {
t.plan(10);
var cssAdded;
var map = new OpenLayers.Map("map");
var layer = new OpenLayers.Layer.WMS("foo", "wms", {
layers: "foo"
});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(1,2));
var feature1 = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1,2));
var feature2 = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(2,3));
var feature3 = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(3,1));
var control = new OpenLayers.Control.GetFeature({
protocol: new OpenLayers.Protocol({
read: function(obj) {
cssAdded = OpenLayers.Element.hasClass(map.viewPortDiv,
"olCursorWait");
obj.callback.call(obj.scope, {
features: [feature1, feature2, feature3],
success: function() {return true;}
});
}
}),
box: true
});
map.addControl(control);
var singleTest = function(evt) {
t.eq(evt.feature.id, feature1.id, "featureselected callback called with closest feature");
}
cssAdded = false;
control.events.register("featureselected", this, singleTest);
control.selectClick({xy: new OpenLayers.Pixel(200, 125)});
t.ok(cssAdded,
"select adds CSS class (click)");
t.ok(!OpenLayers.Element.hasClass(map.viewPortDiv, "olCursorWait"),
"callback removes CSS class (click)");
control.events.unregister("featureselected", this, singleTest);
var count = 0;
var beforeFeatureSelected = function(evt) {
count++;
return count < 3;
}
var features = [];
var boxTest = function(evt) {
features.push(evt.feature);
}
var beforeFeaturesSelected = function(evt) {
t.eq(evt.features.length, 3, "3 features passed to the beforefeaturesselected handler");
}
var featuresSelected = function(evt) {
t.eq(evt.features.length, 2, "2 features passed to the featuresselected handler");
}
control.events.register("beforefeatureselected", this, beforeFeatureSelected);
control.events.register("featureselected", this, boxTest);
control.events.register("beforefeaturesselected", this, beforeFeaturesSelected);
control.events.register("featuresselected", this, featuresSelected);
cssAdded = false;
control.selectBox(new OpenLayers.Bounds(0,0,4,4));
control.events.unregister("beforefeatureselected", this, beforeFeatureSelected);
control.events.unregister("featureselected", this, boxTest);
control.events.unregister("beforefeaturesselected", this, beforeFeaturesSelected);
control.events.unregister("featuresselected", this, featuresSelected);
t.eq(features.length, 2, "2 features inside box selected");
t.eq(features[1].id, feature2.id, "featureselected callback called with multiple features");
t.ok(cssAdded,
"select adds CSS class (box)");
t.ok(!OpenLayers.Element.hasClass(map.viewPortDiv, "olCursorWait"),
"callback removes CSS class (box)");
// allow several features even for single click
control.single = false;
var multiplePointTest = function(evt) {
t.eq(evt.features.length, 3, "3 features passed to the featuresselected handler");
}
control.events.register("featuresselected", this, multiplePointTest);
control.selectClick({xy: new OpenLayers.Pixel(200, 125)});
control.events.unregister("featuresselected", this, multiplePointTest);
}
function test_Control_GetFeature_hover(t) {
t.plan(9);
var cssAdded;
var abortedResponse = null;
var map = new OpenLayers.Map("map");
var layer = new OpenLayers.Layer.WMS("foo", "wms", {
layers: "foo"
});
map.addLayer(layer);
map.setCenter(new OpenLayers.LonLat(1,2));
var feature1 = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(1,2));
var feature2 = new OpenLayers.Feature.Vector(new OpenLayers.Geometry.Point(2,3));
var response = new OpenLayers.Protocol.Response();
var control = new OpenLayers.Control.GetFeature({
protocol: new OpenLayers.Protocol({
read: function(obj){
cssAdded = OpenLayers.Element.hasClass(map.viewPortDiv,
"olCursorWait");
obj.callback.call(obj.scope, {
features: [feature1, feature2],
success: function() {return true;}
});
return response;
},
abort: function(response) {
abortedResponse = response;
}
}),
hover: true
});
map.addControl(control);
var hoverFeature;
var hoverTest = function(evt) {
t.eq(evt.feature.id, hoverFeature.id, "hoverfeature callback called with closest feature");
}
var outTest = function(evt) {
t.eq(evt.feature.id, feature1.id, "outfeature callback called with previously hovered feature");
}
control.events.register("hoverfeature", this, hoverTest);
control.events.register("outfeature", this, outTest);
hoverFeature = feature1;
control.selectHover({xy: new OpenLayers.Pixel(200, 125)});
t.ok(control.hoverResponse == response,
"selectHover stores the protocol response in the hoverResponse property");
hoverFeature = feature2;
cssAdded = false;
control.selectHover({xy: new OpenLayers.Pixel(400, 0)});
t.ok(cssAdded,
"select adds CSS class (hover)");
t.ok(!OpenLayers.Element.hasClass(map.viewPortDiv, "olCursorWait"),
"callback removes CSS class (hover)");
OpenLayers.Element.addClass(map.viewPortDiv, "olCursorWait");
control.cancelHover();
t.ok(abortedResponse == response,
"cancelHover calls protocol.abort() with the expected response");
t.eq(control.hoverResponse, null,
"cancelHover sets this.hoverResponse to null");
t.ok(!OpenLayers.Element.hasClass(map.viewPortDiv, "olCursorWait"),
"cancelHover removes CSS class");
control.events.unregister("hoverfeature", this, hoverTest);
control.events.unregister("outfeature", this, outTest);
}
</script>
</head>
<body>
<div id="map" style="width: 400px; height: 250px;"/>
</body>
</html>
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