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var drag = function(el, dx, dy, complete) {
// speed = sync -> Drag syncrhonously.
// speed = fast|slow -> Drag asyncrhonously - animated.
return $(el).simulate("drag", {
dx: dx||0, dy: dy||0, speed: 'sync', complete: complete
});
};
module("Draggable");
test("create and destroy", function() {
expect(2);
$("#draggable1").draggable();
ok($("#draggable1").data("draggable"), "Accessing draggable instance after creation");
$("#draggable1").draggable("destroy");
ok(!$("#draggable1").data("draggable"), "Accessing draggable instance after destroy");
});
test("No options, relative", function() {
expect(4);
$("#draggable1").draggable();
var offset = $("#draggable1").data("draggable").element.offset();
equals(offset.left, -979, "Checking initial left position");
equals(offset.top, -979, "Checking initial top position");
drag("#draggable1", 50, 50);
var offset = $("#draggable1").data("draggable").element.offset();
equals(offset.left, -929, "Checking new left position");
equals(offset.top, -929, "Checking new top position");
});
test("No options, absolute", function() {
expect(4);
$("#draggable2").draggable();
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -979, "Checking initial left position");
equals(offset.top, -979, "Checking initial top position");
drag("#draggable2", 50, 50);
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -929, "Checking new left position");
equals(offset.top, -929, "Checking new top position");
});
test("{ helper: 'clone' }", function() {
expect(4);
$("#draggable1, #draggable2").draggable({ helper: "clone" });
drag("#draggable1, #draggable2", 50, 50);
var offset = $("#draggable1").data("draggable").element.offset();
equals(offset.left, -979, "Relative: Original position should be untouched");
equals(offset.top, -979, "Relative: Original position should be untouched");
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -979, "Absolute: Original position should be untouched");
equals(offset.top, -979, "Absolute: Original position should be untouched");
});
test("{ grid: [50,50] }", function() {
expect(4);
$("#draggable1, #draggable2").draggable({ grid: [50,50] });
drag("#draggable1, #draggable2", 30, 30);
var offset = $("#draggable1").data("draggable").element.offset();
equals(offset.left, -929, "Relative: 50px move in grid");
equals(offset.top, -929, "Relative: 50px move in grid");
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -929, "Absolute: 50px move in grid");
equals(offset.top, -929, "Absolute: 50px move in grid");
});
test("{ axis: 'y' }", function() {
expect(4);
$("#draggable1, #draggable2").draggable({ axis: "y" });
drag("#draggable1, #draggable2", 50, 50);
var offset = $("#draggable1").data("draggable").element.offset();
equals(offset.left, -979, "Relative: 0px move");
equals(offset.top, -929, "Relative: 50px move");
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -979, "Absolute: 0px move");
equals(offset.top, -929, "Absolute: 50px move");
});
test("{ axis: 'x' }", function() {
expect(4);
$("#draggable1, #draggable2").draggable({ axis: "x" });
drag("#draggable1, #draggable2", 50, 50);
var offset = $("#draggable1").data("draggable").element.offset();
equals(offset.left, -929, "Relative: 50px move");
equals(offset.top, -979, "Relative: 0px move");
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -929, "Absolute: 50px move");
equals(offset.top, -979, "Absolute: 0px move");
});
test("{ cancel: 'span' }", function() {
expect(2);
$("#draggable2").draggable({ cancel: 'span' });
drag("#draggable2 span", 50, 50);
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -979, "Trigger on span: 0px move");
equals(offset.top, -979, "Trigger on span: 0px move");
});
test("{ handle: 'span' }", function() {
expect(4);
$("#draggable2").draggable({ handle: 'span' });
drag("#draggable2 span", 50, 50);
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -929, "Trigger on span: 50px move");
equals(offset.top, -929, "Trigger on span: 50px move");
drag("#draggable2", 50, 50);
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -929, "Trigger on element: 0px move");
equals(offset.top, -929, "Trigger on element: 0px move");
});
test("{ containment: 'parent' }", function() {
expect(4);
$("#draggable2, #draggable1").draggable({ containment: 'parent' });
drag("#draggable2, #draggable1", -100, -100);
var offset = $("#draggable2").data("draggable").element.offset();
equals(offset.left, -989, "Absolute: 10px move (to parent's margin end)");
equals(offset.top, -989, "Absolute: 10px move (to parent's margin end)");
var offset = $("#draggable1").data("draggable").element.offset();
equals(offset.left, -989, "Relative: 10px move (to parent's margin end)");
equals(offset.top, -989, "Relative: 10px move (to parent's margin end)");
});
test("{ cursorAt: { left: -5, top: -5 } }", function() {
expect(4);
var position = null;
$("#draggable2").draggable({
cursorAt: { left: -5, top: -5 },
drag: function(e, ui) {
position = ui.absolutePosition;
}
});
drag("#draggable2", -1, -1);
equals(position.left, -875, "Absolute: -1px move");
equals(position.top, -925, "Absolute: -1px move");
var position = null;
$("#draggable1").draggable({
cursorAt: { left: -5, top: -5 },
drag: function(e, ui) {
position = ui.absolutePosition;
}
});
drag("#draggable1", -1, -1);
equals(position.left, -875, "Relative: -1px move");
equals(position.top, -925, "Relative: -1px move");
});
test("{ cursor: 'move' }", function() {
expect(2);
var cursor = null;
$("#draggable2").draggable({
cursor: "move",
start: function(e, ui) {
cursor = $("body").css("cursor");
}
});
drag("#draggable2", -1, -1);
equals(cursor, "move", "start callback: cursor 'move'");
equals($("body").css("cursor"), "auto", "after drag: cursor restored");
});
test("{ distance: 10 }", function() {
expect(2);
var dragged = false;
$("#draggable2").draggable({
distance: 10,
start: function(e, ui) {
dragged = true;
}
});
drag("#draggable2", -9, -9);
equals(dragged, false, "The draggable should not have moved when moving -9px");
drag("#draggable2", -10, -10);
equals(dragged, true, "The draggable should have moved when moving -10px");
});
test("{ opacity: 0.5 }", function() {
expect(1);
var opacity = null;
$("#draggable2").draggable({
opacity: 0.5,
start: function(e, ui) {
opacity = $(this).css("opacity");
}
});
drag("#draggable2", -1, -1);
equals(opacity, 0.5, "start callback: opacity is 0.5");
});
test("{ zIndex: 10 }", function() {
expect(1);
var zIndex = null;
$("#draggable2").draggable({
zIndex: 10,
start: function(e, ui) {
zIndex = $(this).css("zIndex");
}
});
drag("#draggable2", -1, -1);
equals(zIndex, "10", "start callback: zIndex is 10");
});
test("callbacks occurance count", function() {
expect(3);
var start = 0, stop = 0, dragc = 0;
$("#draggable2").draggable({
start: function() { start++; },
drag: function() { dragc++; },
stop: function() { stop++; }
});
drag("#draggable2", 10, 10);
equals(start, 1, "start callback should happen exactly once");
equals(dragc, 11, "drag callback should happen exactly 1+10 times (first simultaneously with start)");
equals(stop, 1, "stop callback should happen exactly once");
});
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