--- /dev/null
+TestHelpers.draggable = {
+ // todo: remove the unreliable offset hacks
+ unreliableOffset: $.ui.ie && ( !document.documentMode || document.documentMode < 8 ) ? 2 : 0,
+ testDrag: function(el, handle, dx, dy, expectedDX, expectedDY, msg) {
+ var offsetAfter, actual, expected,
+ offsetBefore = el.offset();
+
+ $( handle ).simulate( "drag", {
+ dx: dx,
+ dy: dy
+ });
+ offsetAfter = el.offset();
+
+ actual = { left: offsetAfter.left, top: offsetAfter.top };
+ expected = { left: offsetBefore.left + expectedDX, top: offsetBefore.top + expectedDY };
+
+ msg = msg ? msg + "." : "";
+ deepEqual(actual, expected, "dragged[" + dx + ", " + dy + "] " + msg);
+ },
+ shouldMove: function(el, why) {
+ TestHelpers.draggable.testDrag(el, el, 50, 50, 50, 50, why);
+ },
+ shouldNotMove: function(el, why) {
+ TestHelpers.draggable.testDrag(el, el, 50, 50, 0, 0, why);
+ },
+ testScroll: function(el, position ) {
+ var oldPosition = $("#main").css("position");
+ $("#main").css("position", position);
+ TestHelpers.draggable.shouldMove(el, position+" parent");
+ $("#main").css("position", oldPosition);
+ },
+ restoreScroll: function( what ) {
+ if( what ) {
+ $(document).scrollTop(0); $(document).scrollLeft(0);
+ } else {
+ $("#main").scrollTop(0); $("#main").scrollLeft(0);
+ }
+ },
+ setScroll: function( what ) {
+ if(what) {
+ // todo: currently, the draggable interaction doesn't properly account for scrolled pages,
+ // uncomment the line below to make the tests fail that should when the page is scrolled
+ // $(document).scrollTop(100); $(document).scrollLeft(100);
+ } else {
+ $("#main").scrollTop(100); $("#main").scrollLeft(100);
+ }
+ },
+ border: function(el, side) {
+ return parseInt(el.css("border-" + side + "-width"), 10) || 0;
+ },
+ margin: function(el, side) {
+ return parseInt(el.css("margin-" + side), 10) || 0;
+ },
+ move: function( el, x, y ) {
+
+ $( el ).simulate( "drag", {
+ dx: x,
+ dy: y
+ });
+
+ },
+ trackMouseCss : function( el ) {
+ el.bind( "drag", function() {
+ el.data( "last_dragged_cursor", $("body").css("cursor") );
+ });
+ },
+ trackAppendedParent : function( el ) {
+
+ // appendTo ignored without being clone
+ el.draggable( "option", "helper", "clone" );
+
+ el.bind( "drag", function(e,ui) {
+ // Get what parent is at time of drag
+ el.data( "last_dragged_parent", ui.helper.parent()[0] );
+ });
+
+ }
+};
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