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|
<html>
<head>
<script src="../OLLoader.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(40);
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",
"touchstart", "touchmove", "touchend"];
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 oldPreventDefault = OpenLayers.Event.preventDefault;
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.preventDefault = function(evt) {
t.ok(evt.xy.x == testEvents.down.xy.x && evt.xy.y == testEvents.down.xy.y,
"mousedown default action is disabled");
}
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.preventDefault = oldPreventDefault;
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.viewPortDiv.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_touch(t) {
// In this test we verify that "touchstart", "touchmove", and
// "touchend" events set expected states in the drag handler.
// We also verify that we prevent the default as appropriate.
t.plan(19);
// set up
var m = new OpenLayers.Map('map', {controls: []});
var c = new OpenLayers.Control();
m.addControl(c);
var h = new OpenLayers.Handler.Drag(c, {
done: function(px) {
log.push(px);
}
});
h.activate();
var _preventDefault = OpenLayers.Event.preventDefault;
OpenLayers.Event.preventDefault = function(e) {
log.push(e);
};
var Px = OpenLayers.Pixel, e;
var log = [];
// test
e = {touches: [{}], xy: new Px(0, 0)};
m.events.triggerEvent('touchstart', e);
t.eq(h.started, true, '[touchstart] started is set');
t.eq(h.start.x, 0, '[touchstart] start.x is correct');
t.eq(h.start.y, 0, '[touchstart] start.y is correct');
t.eq(log.length, 1, '[touchstart] one item in log');
t.ok(log[0] === e, "touchstart", '[touchstart] event is stopped');
t.eq(m.events.listeners.mousedown.length, 0,"mousedown is not registered");
t.eq(m.events.listeners.mouseup.length, 0,"mouseup is not registered");
t.eq(m.events.listeners.mousemove.length, 0,"mousemove is not registered");
t.eq(m.events.listeners.click.length, 0,"click is not registered");
t.eq(m.events.listeners.mouseout.length, 0,"mouseout is not registered");
e = {xy: new Px(1, 1)};
m.events.triggerEvent('touchmove', e);
t.eq(h.dragging, true, '[touchmove] dragging is set');
t.eq(h.last.x, 1, '[touchmove] last.x is correct');
t.eq(h.last.y, 1, '[touchmove] last.y is correct');
t.eq(log.length, 1, '[touchmove] one item in log (event is not stopped)');
e = {xy: new Px(2, 2)};
m.events.triggerEvent('touchend', e);
t.eq(h.started, false, '[touchend] started is reset');
t.eq(h.started, false, '[touchend] started is reset');
// the "done" callback gets the position of the last touchmove
t.eq(log.length, 2, '[touchend] two items in log');
t.ok(log[1] instanceof Px, '[touchend] got');
t.ok(log[1].equals(e.xy), '[touchend] done callback got correct position');
// tear down
OpenLayers.Event.preventDefault = _preventDefault;
m.destroy();
}
function test_Handler_Drag_submethods(t) {
t.plan(8);
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 onselect = {
"move": OpenLayers.Function.False,
"up": OpenLayers.Function.False,
"out": OpenLayers.Function.True
}
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");
onselect[type] && t.ok(document.onselectstart === onselect[type], "document.onselectstart listener is correct after " + type);
}
}
handler.activate();
// pretend that we have gone through a down-move-up-out cycle before
handler.oldOnselectstart = OpenLayers.Function.True;
// 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;
t.ok(document.onselectstart === OpenLayers.Function.True, "document.onselectstart listener correct after down-move-up-out cycle");
}
function test_Handler_Drag_deactivate(t) {
t.plan(7);
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;
handler.touch = 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 last to null");
t.ok(!handler.touch,
"deactivate sets touch to false");
}
function test_interval_timer_after_mouseup(t) {
t.plan(5);
// set up
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var moveCnt;
var handler = new OpenLayers.Handler.Drag(control, {}, {
interval: 1,
move: function() {
moveCnt++;
}
});
handler.activate();
handler.checkModifiers = function() { return true; };
var ilc = OpenLayers.Event.isLeftClick;
OpenLayers.Event.isLeftClick = function() { return true; };
// test
moveCnt = 0;
var xy1 = new OpenLayers.Pixel(1, 2);
handler.mousedown({xy: xy1});
t.ok(handler.last == xy1, "[mousedown] last is as expected");
var xy2 = new OpenLayers.Pixel(2, 3);
handler.mousemove({xy: xy2});
t.ok(handler.last == xy2, "[mousemove 1] last is as expected");
t.ok(handler.timeoutId != null, "[mousemove 1] timeoutId is set");
var xy3 = new OpenLayers.Pixel(3, 4);
handler.mousemove({xy: xy3});
t.ok(handler.last == xy2, "[mousemove 2] last is as expected");
var xy4 = new OpenLayers.Pixel(4, 5);
handler.mouseup({xy: xy4});
t.delay_call(3, function() {
// the timer should not cause a move
t.eq(moveCnt, 1, "move called once");
// tear down
OpenLayers.Event.isLeftClick = ilc;
});
}
function test_interval_timer_after_mousedown(t) {
t.plan(5);
// set up
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var moveCnt;
var handler = new OpenLayers.Handler.Drag(control, {}, {
interval: 1,
move: function() {
moveCnt++;
}
});
handler.activate();
handler.checkModifiers = function() { return true; };
var ilc = OpenLayers.Event.isLeftClick;
OpenLayers.Event.isLeftClick = function() { return true; };
// test
moveCnt = 0;
var xy1 = new OpenLayers.Pixel(1, 2);
handler.mousedown({xy: xy1});
t.ok(handler.last == xy1, "[mousedown] last is as expected");
var xy2 = new OpenLayers.Pixel(2, 3);
handler.mousemove({xy: xy2});
t.ok(handler.last == xy2, "[mousemove 1] last is as expected");
t.ok(handler.timeoutId != null, "[mousemove 1] timeoutId is set");
var xy3 = new OpenLayers.Pixel(3, 4);
handler.mousemove({xy: xy3});
t.ok(handler.last == xy2, "[mousemove 2] last is as expected");
var xy4 = new OpenLayers.Pixel(4, 5);
handler.mouseup({xy: xy4});
var xy5 = new OpenLayers.Pixel(5, 6);
handler.mousedown({xy: xy4});
t.delay_call(3, function() {
// the timer should not cause a move
t.eq(moveCnt, 1, "move called once");
// tear down
OpenLayers.Event.isLeftClick = ilc;
});
}
function test_interval_timer_before_mouseup(t) {
t.plan(5);
// set up
var map = new OpenLayers.Map('map');
var control = new OpenLayers.Control();
map.addControl(control);
var moveCnt;
var handler = new OpenLayers.Handler.Drag(control, {}, {
interval: 1,
move: function() {
moveCnt++;
}
});
handler.activate();
handler.checkModifiers = function() { return true; };
var ilc = OpenLayers.Event.isLeftClick;
OpenLayers.Event.isLeftClick = function() { return true; };
// test
moveCnt = 0;
var xy1 = new OpenLayers.Pixel(1, 2);
handler.mousedown({xy: xy1});
t.ok(handler.last == xy1, "[mousedown] last is as expected");
var xy2 = new OpenLayers.Pixel(2, 3);
handler.mousemove({xy: xy2});
t.ok(handler.last == xy2, "[mousemove 1] last is as expected");
t.ok(handler.timeoutId != null, "[mousemove 1] timeoutId is set");
var xy3 = new OpenLayers.Pixel(3, 4);
handler.mousemove({xy: xy3});
t.ok(handler.last == xy2, "[mousemove 2] last is as expected");
t.delay_call(3, function() {
// the timer should cause a move
t.eq(moveCnt, 2, "move called twice");
var xy4 = new OpenLayers.Pixel(4, 5);
handler.mouseup({xy: xy4});
// tear down
OpenLayers.Event.isLeftClick = ilc;
});
}
</script>
</head>
<body>
<div id="map" style="width: 300px; height: 150px;"/>
</body>
</html>
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