jquery-ui/tests/unit/position/position_core.js
2012-04-24 17:29:16 +02:00

688 lines
12 KiB
JavaScript

(function( $ ) {
var win = $( window ),
scrollTopSupport = function() {
var support = win.scrollTop( 1 ).scrollTop() === 1;
win.scrollTop( 0 );
scrollTopSupport = function() {
return support;
};
return support;
};
module( "position", {
setup: function() {
win.scrollTop( 0 ).scrollLeft( 0 );
}
});
test( "my, at, of", function() {
expect( 4 );
$( "#elx" ).position({
my: "left top",
at: "left top",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 40, left: 40 }, "left top, left top" );
$( "#elx" ).position({
my: "left top",
at: "left bottom",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 60, left: 40 }, "left top, left bottom" );
$( "#elx" ).position({
my: "left",
at: "bottom",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 55, left: 50 }, "left, bottom" );
$( "#elx" ).position({
my: "left foo",
at: "bar baz",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 45, left: 50 }, "left foo, bar baz" );
});
test( "multiple elements", function() {
expect( 3 );
var elements = $( "#el1, #el2" ),
result = elements.position({
my: "left top",
at: "left bottom",
of: "#parent",
collision: "none"
}),
expected = { top: 10, left: 4 };
deepEqual( result, elements );
elements.each(function() {
deepEqual( $( this ).offset(), expected );
});
});
test( "positions", function() {
expect( 18 );
var offsets = {
left: 0,
center: 3,
right: 6,
top: 0,
bottom: 6
},
start = { left: 4, top: 4 },
el = $( "#el1" );
$.each( [ 0, 1 ], function( my ) {
$.each( [ "top", "center", "bottom" ], function( vindex, vertical ) {
$.each( [ "left", "center", "right" ], function( hindex, horizontal ) {
var _my = my ? horizontal + " " + vertical : "left top",
_at = !my ? horizontal + " " + vertical : "left top";
el.position({
my: _my,
at: _at,
of: "#parent",
collision: "none"
});
deepEqual( el.offset(), {
top: start.top + offsets[ vertical ] * (my ? -1 : 1),
left: start.left + offsets[ horizontal ] * (my ? -1 : 1)
}, "Position via " + QUnit.jsDump.parse({ my: _my, at: _at }) );
});
});
});
});
test( "of", function() {
expect( 9 + (scrollTopSupport() ? 1 : 0) );
var event;
$( "#elx" ).position({
my: "left top",
at: "left top",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 40, left: 40 }, "selector" );
$( "#elx" ).position({
my: "left top",
at: "left bottom",
of: $( "#parentx"),
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 60, left: 40 }, "jQuery object" );
$( "#elx" ).position({
my: "left top",
at: "left top",
of: $( "#parentx" )[ 0 ],
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 40, left: 40 }, "DOM element" );
$( "#elx" ).position({
my: "right bottom",
at: "right bottom",
of: document,
collision: "none"
});
deepEqual( $( "#elx" ).offset(), {
top: $( document ).height() - 10,
left: $( document ).width() - 10
}, "document" );
$( "#elx" ).position({
my: "right bottom",
at: "right bottom",
of: $( document ),
collision: "none"
});
deepEqual( $( "#elx" ).offset(), {
top: $( document ).height() - 10,
left: $( document ).width() - 10
}, "document as jQuery object" );
win.scrollTop( 0 );
$( "#elx" ).position({
my: "right bottom",
at: "right bottom",
of: window,
collision: "none"
});
deepEqual( $( "#elx" ).offset(), {
top: win.height() - 10,
left: win.width() - 10
}, "window" );
$( "#elx" ).position({
my: "right bottom",
at: "right bottom",
of: win,
collision: "none"
});
deepEqual( $( "#elx" ).offset(), {
top: win.height() - 10,
left: win.width() - 10
}, "window as jQuery object" );
if ( scrollTopSupport() ) {
win.scrollTop( 500 ).scrollLeft( 200 );
$( "#elx" ).position({
my: "right bottom",
at: "right bottom",
of: window,
collision: "none"
});
deepEqual( $( "#elx" ).offset(), {
top: win.height() + 500 - 10,
left: win.width() + 200 - 10
}, "window, scrolled" );
win.scrollTop( 0 ).scrollLeft( 0 );
}
event = $.extend( $.Event( "someEvent" ), { pageX: 200, pageY: 300 } );
$( "#elx" ).position({
my: "left top",
at: "left top",
of: event,
collision: "none"
});
deepEqual( $( "#elx" ).offset(), {
top: 300,
left: 200
}, "event - left top, left top" );
event = $.extend( $.Event( "someEvent" ), { pageX: 400, pageY: 600 } );
$( "#elx" ).position({
my: "left top",
at: "right bottom",
of: event,
collision: "none"
});
deepEqual( $( "#elx" ).offset(), {
top: 600,
left: 400
}, "event - left top, right bottom" );
});
test( "offsets", function() {
expect( 4 );
$( "#elx" ).position({
my: "left top",
at: "left+10 bottom+10",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 70, left: 50 }, "offsets in at" );
$( "#elx" ).position({
my: "left+10 top-10",
at: "left bottom",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 50, left: 50 }, "offsets in my" );
$( "#elx" ).position({
my: "left top",
at: "left+50% bottom-10%",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 58, left: 50 }, "percentage offsets in at" );
$( "#elx" ).position({
my: "left-30% top+50%",
at: "left bottom",
of: "#parentx",
collision: "none"
});
deepEqual( $( "#elx" ).offset(), { top: 65, left: 37 }, "percentage offsets in my" );
});
test( "using", function() {
expect( 10 );
var count = 0,
elems = $( "#el1, #el2" ),
of = $( "#parentx" ),
expectedPosition = { top: 60, left: 60 },
expectedFeedback = {
target: {
element: of,
width: 20,
height: 20,
left: 40,
top: 40
},
element: {
width: 6,
height: 6,
left: 60,
top: 60
},
horizontal: "left",
vertical: "top",
important: "vertical"
},
originalPosition = elems.position({
my: "right bottom",
at: "rigt bottom",
of: "#parentx",
collision: "none"
}).offset();
elems.position({
my: "left top",
at: "center+10 bottom",
of: "#parentx",
using: function( position, feedback ) {
deepEqual( this, elems[ count ], "correct context for call #" + count );
deepEqual( position, expectedPosition, "correct position for call #" + count );
deepEqual( feedback.element.element[ 0 ], elems[ count ] );
delete feedback.element.element;
deepEqual( feedback, expectedFeedback );
count++;
}
});
elems.each(function() {
deepEqual( $( this ).offset(), originalPosition, "elements not moved" );
});
});
function collisionTest( config, result, msg ) {
var elem = $( "#elx" ).position( $.extend({
my: "left top",
at: "right bottom",
of: "#parent"
}, config ) );
deepEqual( elem.offset(), result, msg );
}
function collisionTest2( config, result, msg ) {
collisionTest( $.extend({
my: "right bottom",
at: "left top"
}, config ), result, msg );
}
test( "collision: fit, no collision", function() {
expect( 2 );
collisionTest({
collision: "fit"
}, {
top: 10,
left: 10
}, "no offset" );
collisionTest({
collision: "fit",
at: "right+2 bottom+3"
}, {
top: 13,
left: 12
}, "with offset" );
});
test( "collision: fit, collision", function() {
expect( 2 + (scrollTopSupport() ? 1 : 0) );
collisionTest2({
collision: "fit"
}, {
top: 0,
left: 0
}, "no offset" );
collisionTest2({
collision: "fit",
at: "left+2 top+3"
}, {
top: 0,
left: 0
}, "with offset" );
if ( scrollTopSupport() ) {
win.scrollTop( 300 ).scrollLeft( 200 );
collisionTest({
collision: "fit"
}, {
top: 300,
left: 200
}, "window scrolled" );
win.scrollTop( 0 ).scrollLeft( 0 );
}
});
test( "collision: flip, no collision", function() {
expect( 2 );
collisionTest({
collision: "flip"
}, {
top: 10,
left: 10
}, "no offset" );
collisionTest({
collision: "flip",
at: "right+2 bottom+3"
}, {
top: 13,
left: 12
}, "with offset" );
});
test( "collision: flip, collision", function() {
expect( 2 );
collisionTest2({
collision: "flip"
}, {
top: 10,
left: 10
}, "no offset" );
collisionTest2({
collision: "flip",
at: "left+2 top+3"
}, {
top: 7,
left: 8
}, "with offset" );
});
test( "collision: flipfit, no collision", function() {
expect( 2 );
collisionTest({
collision: "flipfit"
}, {
top: 10,
left: 10
}, "no offset" );
collisionTest({
collision: "flipfit",
at: "right+2 bottom+3"
}, {
top: 13,
left: 12
}, "with offset" );
});
test( "collision: flipfit, collision", function() {
expect( 2 );
collisionTest2({
collision: "flipfit"
}, {
top: 10,
left: 10
}, "no offset" );
collisionTest2({
collision: "flipfit",
at: "left+2 top+3"
}, {
top: 7,
left: 8
}, "with offset" );
});
test( "collision: none, no collision", function() {
expect( 2 );
collisionTest({
collision: "none"
}, {
top: 10,
left: 10
}, "no offset" );
collisionTest({
collision: "none",
at: "right+2 bottom+3"
}, {
top: 13,
left: 12
}, "with offset" );
});
test( "collision: none, collision", function() {
expect( 2 );
collisionTest2({
collision: "none"
}, {
top: -6,
left: -6
}, "no offset" );
collisionTest2({
collision: "none",
at: "left+2 top+3"
}, {
top: -3,
left: -4
}, "with offset" );
});
test( "collision: fit, with margin", function() {
expect( 2 );
$( "#elx" ).css({
marginTop: 6,
marginLeft: 4
});
collisionTest({
collision: "fit"
}, {
top: 10,
left: 10
}, "right bottom" );
collisionTest2({
collision: "fit"
}, {
top: 6,
left: 4
}, "left top" );
});
test( "collision: flip, with margin", function() {
expect( 3 );
$( "#elx" ).css({
marginTop: 6,
marginLeft: 4
});
collisionTest({
collision: "flip"
}, {
top: 10,
left: 10
}, "left top" );
collisionTest2({
collision: "flip"
}, {
top: 10,
left: 10
}, "right bottom" );
collisionTest2({
collision: "flip",
my: "left top"
}, {
top: 0,
left: 4
}, "right bottom" );
});
test( "within", function() {
expect( 6 );
collisionTest({
within: "#within",
collision: "fit"
}, {
top: 4,
left: 2
}, "fit - right bottom" );
collisionTest2({
within: "#within",
collision: "fit"
}, {
top: 2,
left: 0
}, "fit - left top" );
collisionTest({
within: "#within",
collision: "flip"
}, {
top: 10,
left: -6
}, "flip - right bottom" );
collisionTest2({
within: "#within",
collision: "flip"
}, {
top: 10,
left: -6
}, "flip - left top" );
collisionTest({
within: "#within",
collision: "flipfit"
}, {
top: 4,
left: 0
}, "flipfit - right bottom" );
collisionTest2({
within: "#within",
collision: "flipfit"
}, {
top: 4,
left: 0
}, "flipfit - left top" );
});
test( "with scrollbars", function() {
expect( 4 );
$( "#scrollx" ).css({
width: 100,
height: 100,
left: 0,
top: 0
});
collisionTest({
of: "#scrollx",
collision: "fit",
within: "#scrollx"
}, {
top: 90,
left: 90
}, "visible" );
$( "#scrollx" ).css({
overflow: "scroll"
});
var scrollbarInfo = $.position.getScrollInfo( $.position.getWithinInfo( $( "#scrollx" ) ) );
collisionTest({
of: "#scrollx",
collision: "fit",
within: "#scrollx"
}, {
top: 90 - scrollbarInfo.height,
left: 90 - scrollbarInfo.width
}, "scroll" );
$( "#scrollx" ).css({
overflow: "auto"
});
collisionTest({
of: "#scrollx",
collision: "fit",
within: "#scrollx"
}, {
top: 90,
left: 90
}, "auto, no scroll" );
$( "#scrollx" ).css({
overflow: "auto"
}).append( $("<div>").height(300).width(300) );
collisionTest({
of: "#scrollx",
collision: "fit",
within: "#scrollx"
}, {
top: 90 - scrollbarInfo.height,
left: 90 - scrollbarInfo.width
}, "auto, with scroll" );
});
test( "fractions", function() {
expect( 1 );
$( "#fractions-element" ).position({
my: "left top",
at: "left top",
of: "#fractions-parent",
collision: "none"
});
deepEqual( $( "#fractions-element" ).offset(), $( "#fractions-parent" ).offset(), "left top, left top" );
});
test( "bug #5280: consistent results (avoid fractional values)", function() {
expect( 1 );
var wrapper = $( "#bug-5280" ),
elem = wrapper.children(),
offset1 = elem.position({
my: "center",
at: "center",
of: wrapper,
collision: "none"
}).offset(),
offset2 = elem.position({
my: "center",
at: "center",
of: wrapper,
collision: "none"
}).offset();
deepEqual( offset1, offset2 );
});
}( jQuery ) );