Files
openlayers/tests/Handler/test_Drag.html
crschmidt 5f3e05bb5e Set the fallThrough property to 'true' by default. This seems to have no
adverse affect on the examples, is documented in the 2.6 release notes, 
and will allow for easier display of built-in browser tooltips for 
controls. r=elemoine (Closes #1303)


git-svn-id: http://svn.openlayers.org/trunk/openlayers@5907 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2008-01-27 14:10:00 +00:00

380 lines
15 KiB
HTML

<html>
<head>
<script src="../../lib/OpenLayers.js"></script>
<script type="text/javascript">
function test_Handler_Drag_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.Drag(control, callbacks, options);
OpenLayers.Handler.prototype.initialize = oldInit;
}
function test_Handler_Drag_activate(t) {
t.plan(3);
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var handler = new OpenLayers.Handler.Drag(control);
handler.active = true;
var activated = handler.activate();
t.ok(!activated,
"activate returns false if the handler was already active");
handler.active = false;
handler.dragging = true;
activated = handler.activate();
t.ok(activated,
"activate returns true if the handler was not already active");
t.ok(!handler.dragging,
"activate sets dragging to false");
}
function test_Handler_Drag_events(t) {
t.plan(25);
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var handler = new OpenLayers.Handler.Drag(control);
// list below events that should be handled (events) and those
// that should not be handled (nonevents) by the handler
var events = ["mousedown", "mouseup", "mousemove", "mouseout", "click"];
var nonevents = ["dblclick", "resize", "focus", "blur"];
map.events.registerPriority = function(type, obj, func) {
var r = func();
if(typeof r == "string") {
// this is one of the mock handler methods
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.Drag",
"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();
}
function test_Handler_Drag_callbacks(t) {
t.plan(33);
var map = new OpenLayers.Map('map', {controls: []});
var control = new OpenLayers.Control();
map.addControl(control);
// set callback methods (out doesn't get an xy)
var events = ["down", "move", "up", "done"];
var testEvents = {};
var xys = {};
var callbacks = {};
for(var i=0; i<events.length; ++i) {
var px = new OpenLayers.Pixel(Math.random(), Math.random());
testEvents[events[i]] = {xy: px};
setCallback(events[i]);
}
function setCallback(key) {
callbacks[key] = function(evtxy) {
t.ok(evtxy.x == testEvents[key].xy.x &&
evtxy.y == testEvents[key].xy.y,
key + " callback called with the proper evt.xy");
}
}
var handler = new OpenLayers.Handler.Drag(control, callbacks);
handler.activate();
var oldIsLeftClick = OpenLayers.Event.isLeftClick;
var oldStop = OpenLayers.Event.stop;
var oldCheckModifiers = handler.checkModifiers;
// test mousedown with right click
OpenLayers.Event.isLeftClick = function() {
return false;
}
handler.checkModifiers = function() {
return true;
}
handler.started = true;
handler.start = {x: "foo", y: "bar"};
handler.last = {x: "foo", y: "bar"};
map.events.triggerEvent("mousedown", testEvents.down);
t.ok(!handler.started, "right-click sets started to false");
t.eq(handler.start, null, "right-click sets start to null");
t.eq(handler.last, null, "right-click sets last to null");
// test mousedown with improper modifier
OpenLayers.Event.isLeftClick = function() {
return true;
}
handler.checkModifiers = function() {
return false;
}
handler.started = true;
handler.start = {x: "foo", y: "bar"};
handler.last = {x: "foo", y: "bar"};
map.events.triggerEvent("mousedown", testEvents.down);
t.ok(!handler.started, "bad modifier sets started to false");
t.eq(handler.start, null, "bad modifier sets start to null");
t.eq(handler.last, null, "bad modifier sets last to null");
// test mousedown
handler.checkModifiers = function(evt) {
t.ok(evt.xy.x == testEvents.down.xy.x &&
evt.xy.y == testEvents.down.xy.y,
"mousedown calls checkModifiers with the proper event");
return true;
}
OpenLayers.Event.isLeftClick = function(evt) {
t.ok(evt.xy.x == testEvents.down.xy.x &&
evt.xy.y == testEvents.down.xy.y,
"mousedown calls isLeftClick with the proper event");
return true;
}
OpenLayers.Event.stop = function(evt, allowDefault) {
if(!allowDefault) {
t.ok(evt.xy.x == testEvents.down.xy.x &&
evt.xy.y == testEvents.down.xy.y,
"mousedown default action is disabled");
} else {
t.fail(
"mousedown is prevented from falling to other elements");
}
}
map.events.triggerEvent("mousedown", testEvents.down);
t.ok(handler.started, "mousedown sets the started flag to true");
t.ok(!handler.dragging, "mouse down sets the dragging flag to false");
t.ok(handler.start.x == testEvents.down.xy.x &&
handler.start.y == testEvents.down.xy.y,
"mouse down sets handler.start correctly");
t.ok(handler.last.x == testEvents.down.xy.x &&
handler.last.y == testEvents.down.xy.y,
"mouse down sets handler.last correctly");
OpenLayers.Event.stop = oldStop;
OpenLayers.Event.isLeftClick = oldIsLeftClick;
handler.checkModifiers = oldCheckModifiers;
// test mouseup before mousemove
var realUp = testEvents.up;
testEvents.up = testEvents.down;
// this will fail with notice about the done callback being called
// if done is called when it shouldn't be
map.events.triggerEvent("mouseup", testEvents.up);
testEvents.up = realUp;
// test mousemove
handler.started = false;
map.events.triggerEvent("mousemove", {xy: {x: null, y: null}});
// if the handler triggers the move callback, it will be with the
// incorrect evt.xy
t.ok(true,
"mousemove before the handler has started doesn't call move");
handler.started = true;
map.events.triggerEvent("mousemove", testEvents.move);
t.ok(handler.dragging, "mousemove sets the dragging flag to true");
t.ok(handler.start.x == testEvents.down.xy.x &&
handler.start.y == testEvents.down.xy.y,
"mouse move leaves handler.start alone");
t.ok(handler.last.x == testEvents.move.xy.x &&
handler.last.y == testEvents.move.xy.y,
"mouse move sets handler.last correctly");
// a second move with the same evt.xy should not trigger move callback
// if it does, the test page will complain about a bad plan number
var oldMove = handler.callbacks.move;
handler.callbacks.move = function() {
t.ok(false,
"a second move with the same evt.xy should not trigger a move callback");
}
map.events.triggerEvent("mousemove", testEvents.move);
handler.callbacks.move = oldMove;
// test mouseup
handler.started = false;
map.events.triggerEvent("mouseup", {xy: {x: null, y: null}});
// if the handler triggers the up callback, it will be with the
// incorrect evt.xy
t.ok(true,
"mouseup before the handler has started doesn't call up");
handler.started = true;
// mouseup triggers the up and done callbacks
testEvents.done = testEvents.up;
map.events.triggerEvent("mouseup", testEvents.up);
t.ok(!this.started, "mouseup sets the started flag to false");
t.ok(!this.dragging, "mouseup sets the dragging flag to false");
// test mouseout
handler.started = false;
map.events.triggerEvent("mouseout", {xy: {x: null, y: null}});
// if the handler triggers the out or done callback, it will be with the
// incorrect evt.xy
t.ok(true,
"mouseout before the handler has started doesn't call out or done");
handler.started = true;
var oldMouseLeft = OpenLayers.Util.mouseLeft;
OpenLayers.Util.mouseLeft = function(evt, element) {
t.ok(evt.xy.x == testEvents.done.xy.x &&
evt.xy.y == testEvents.done.xy.y,
"mouseout calls Util.mouseLeft with the correct event");
t.eq(element.id, map.div.id,
"mouseout calls Util.mouseLeft with the correct element");
return true;
}
// mouseup triggers the out and done callbacks
// out callback gets no arguments
handler.callbacks.out = function() {
t.eq(arguments.length, 0,
"mouseout calls out callback with no arguments");
}
map.events.triggerEvent("mouseout", testEvents.done);
t.ok(!handler.started, "mouseout sets started flag to false");
t.ok(!handler.dragging, "mouseout sets dragging flag to false");
OpenLayers.Util.mouseLeft = oldMouseLeft;
// test click with the click.html example - the click method on the
// drag handler returns (handler.start == handler.last), stopping
// propagation of the click event if the mouse moved during a drag.
// regression tests will assure that the drag handler doesn't mess
// with anything else on a click
function getProperties(obj) {
var props = {};
for(key in obj) {
if(typeof obj[key] != "function" && typeof obj[key] != "object") {
props[key] = obj[key];
}
}
return props;
}
var before = getProperties(handler);
map.events.triggerEvent("click", null);
var after = getProperties(handler);
t.eq(before, after, "click doesn't mess with handler");
}
function test_Handler_Drag_submethods(t) {
t.plan(4);
var map = new OpenLayers.Map('map', {controls: []});
var control = new OpenLayers.Control();
map.addControl(control);
var handler = new OpenLayers.Handler.Drag(control, {});
// set test events
var events = ["down", "move", "up", "out"];
var testEvents = {};
var type, px;
for(var i=0; i<events.length; ++i) {
type = events[i];
px = new OpenLayers.Pixel(Math.random(), Math.random());
testEvents[type] = {xy: px};
setMethod(type);
}
function setMethod(type) {
handler[type] = function(evt) {
t.ok(evt.xy.x == testEvents[type].xy.x &&
evt.xy.y == testEvents[type].xy.y,
"handler." + type + " called with the right event");
}
}
handler.activate();
// test mousedown
handler.checkModifiers = function(evt) {
return true;
}
var oldIsLeftClick = OpenLayers.Event.isLeftClick;
OpenLayers.Event.isLeftClick = function(evt) {
return true;
}
map.events.triggerEvent("mousedown", testEvents.down);
OpenLayers.Event.isLeftClick = oldIsLeftClick;
// test mousemove
map.events.triggerEvent("mousemove", testEvents.move);
// test mouseup
map.events.triggerEvent("mouseup", testEvents.up);
// test mouseout
var oldMouseLeft = OpenLayers.Util.mouseLeft;
OpenLayers.Util.mouseLeft = function() {
return true;
};
handler.started = true;
map.events.triggerEvent("mouseout", testEvents.out);
OpenLayers.Util.mouseLeft = oldMouseLeft;
}
function test_Handler_Drag_deactivate(t) {
t.plan(6);
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var handler = new OpenLayers.Handler.Drag(control);
handler.active = false;
var deactivated = handler.deactivate();
t.ok(!deactivated,
"deactivate returns false if the handler was not already active");
handler.active = true;
handler.dragging = true;
deactivated = handler.deactivate();
t.ok(deactivated,
"deactivate returns true if the handler was active already");
t.ok(!handler.started,
"deactivate sets started to false");
t.ok(!handler.dragging,
"deactivate sets dragging to false");
t.ok(handler.start == null,
"deactivate sets start to null");
t.ok(handler.last == null,
"deactivate sets start to null");
}
</script>
</head>
<body>
<div id="map" style="width: 300px; height: 150px;"/>
</body>
</html>