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<html>
<head>
<script src="../OLLoader.js"></script>
<script type="text/javascript">
function test_Handler_MouseWheel_constructor(t) {
t.plan(3);
var control = new OpenLayers.Control();
control.id = Math.random();
var callbacks = {foo: "bar"};
var options = {bar: "foo"};
var oldInit = OpenLayers.Handler.prototype.initialize;
OpenLayers.Handler.prototype.initialize = function(con, call, opt) {
t.eq(con.id, control.id,
"constructor calls parent with the correct control");
t.eq(call, callbacks,
"constructor calls parent with the correct callbacks");
t.eq(opt, options,
"constructor calls parent with the correct options");
}
var handler = new OpenLayers.Handler.MouseWheel(control, callbacks, options);
OpenLayers.Handler.prototype.initialize = oldInit;
}
function test_Handler_MouseWheel_activate(t) {
t.plan(2);
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var handler = new OpenLayers.Handler.MouseWheel(control);
handler.active = true;
var activated = handler.activate();
t.ok(!activated,
"activate returns false if the handler was already active");
handler.active = false;
activated = handler.activate();
t.ok(activated,
"activate returns true if the handler was not already active");
}
function test_Handler_MouseWheel_mousePosition(t) {
t.plan(1);
var map = new OpenLayers.Map('map');
map.addLayer(new OpenLayers.Layer.WMS("","",{}));
map.zoomToMaxExtent();
var control = new OpenLayers.Control();
map.addControl(control);
var pass = false;
var handler = new OpenLayers.Handler.MouseWheel(control, {'up':
function (evt) {
if (evt.xy) { pass = true; }
}
});
handler.setMap(map);
handler.activate();
var delta = 120;
handler.onWheelEvent({'target':map.layers[0].div, wheelDelta: delta});
t.ok(pass, "evt.xy was set even without a mouse move");
}
function test_Handler_MouseWheel_events(t) {
t.plan(6);
var map = new OpenLayers.Map('map');
map.addLayer(new OpenLayers.Layer.WMS("","",{}));
map.zoomToMaxExtent();
var control = new OpenLayers.Control();
map.addControl(control);
var deltaZ;
var handler = new OpenLayers.Handler.MouseWheel(control, {
'up': function(evt, delta){
deltaZ = delta;
}
}, {interval: 200});
// list below events that should be handled (events) and those
// that should not be handled (nonevents) by the handler
var events = ["mousemove"];
var nonevents = ["dblclick", "resize", "focus", "blur"];
map.events.registerPriority = function(type, obj, func) {
var r = func();
if(typeof r == "string") {
t.eq(OpenLayers.Util.indexOf(nonevents, type), -1,
"registered method is not one of the events " +
"that should not be handled");
t.ok(OpenLayers.Util.indexOf(events, type) > -1,
"activate calls registerPriority with browser event: " + type);
t.eq(typeof func, "function",
"activate calls registerPriority with a function");
t.eq(func(), type,
"activate calls registerPriority with the correct method");
t.eq(obj["CLASS_NAME"], "OpenLayers.Handler.MouseWheel",
"activate calls registerPriority with the handler");
}
}
// set browser event like properties on the handler
for(var i=0; i<events.length; ++i) {
setMethod(events[i]);
}
function setMethod(key) {
handler[key] = function() {return key};
}
var activated = handler.activate();
var delta = 120;
handler.onWheelEvent({'target':map.layers[0].div, wheelDelta: delta});
handler.onWheelEvent({'target':map.layers[0].div, wheelDelta: delta});
t.delay_call(1, function() {
t.eq(deltaZ, 2, "Multiple scroll actions triggered one event when interval is set");
});
}
function test_Handler_MouseWheel_cumulative(t) {
t.plan(2);
var deltaUp = 0, ticks = 0;
var callbacks = {
up: function(evt, delta) {
deltaUp += delta;
ticks++;
}
};
var map = new OpenLayers.Map('map');
map.addLayer(new OpenLayers.Layer.WMS("","",{}));
map.zoomToMaxExtent();
var control = new OpenLayers.Control({});
map.addControl(control);
var handler = new OpenLayers.Handler.MouseWheel(control, callbacks, {
interval: 150,
cumulative: false,
maxDelta: 6
});
var delta = 120;
// generate 20 scroll up in non cumulative mode
for (var i=0; i < 20; i++) {
handler.onWheelEvent({'target':map.layers[0].div, wheelDelta: delta});
}
t.delay_call(2, function() {
t.eq(deltaUp / ticks, 1, "Cumulative mode works");
t.eq(ticks, 4, "up called 4x with maxDelta of 6");
});
}
function test_Handler_MouseWheel_deactivate(t) {
t.plan(2);
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var handler = new OpenLayers.Handler.MouseWheel(control);
handler.active = false;
var deactivated = handler.deactivate();
t.ok(!deactivated,
"deactivate returns false if the handler was not already active");
handler.active = true;
deactivated = handler.deactivate();
t.ok(deactivated,
"deactivate returns true if the handler was active already");
}
function test_handler_MouseWheel_destroy(t) {
t.plan(1);
var control = new OpenLayers.Control();
var handler = new OpenLayers.Handler.MouseWheel(control);
handler.deactivate = function() {
t.ok(true, "Deactivate called one time.");
}
handler.destroy();
}
</script>
</head>
<body>
<div id="map" style="width: 300px; height: 150px;"/>
</body>
</html>
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