TestHelpers.draggable = {
// TODO: remove the unreliable offset hacks
unreliableOffset: $.ui.ie && ( !document.documentMode || document.documentMode < 8 ) ? 2 : 0,
// Support: Opera 12.10, Safari 5.1, jQuery <1.8
unreliableContains: (function(){
var element = $( "<div>" );
return $.contains( element[ 0 ].ownerDocument, element[ 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 ).scrollLeft( 0 );
} else {
$( "#main" ).scrollTop( 0 ).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 ).scrollLeft( 100 );
} else {
$( "#main" ).scrollTop( 100 ).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 ) {
// TODO: appendTo is currently ignored if helper is original (see #7044)
el.draggable( "option", "helper", "clone" );
// Get what parent is at time of drag
el.bind( "drag", function(e,ui) {
el.data( "last_dragged_parent", ui.helper.parent()[ 0 ] );
});
}
};
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