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Copied position plugin from /branches/dev/positionTo r2971.
This commit is contained in:
Scott González
parent
bfca009321
commit
eff793d014
124
demos/position/cycler.html
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124
demos/position/cycler.html
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<!doctype html>
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<html lang="en">
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<head>
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<title>jQuery UI Position - Default functionality</title>
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<link type="text/css" href="../../themes/base/ui.all.css" rel="stylesheet" />
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<script type="text/javascript" src="../../jquery-1.3.2.js"></script>
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<script type="text/javascript" src="../../ui/ui.core.js"></script>
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<script type="text/javascript" src="../../ui/ui.draggable.js"></script>
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<script type="text/javascript" src="../../ui/ui.position.js"></script>
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<link type="text/css" href="../demos.css" rel="stylesheet" />
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<style type="text/css">
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html, body {
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margin: 0;
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padding: 0
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}
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</style>
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<script type="text/javascript">
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$(function() {
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$.fn.position2 = function(options) {
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return this.position($.extend({
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of: window,
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by: function(to) {
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$(this).css({
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top: to.top,
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left: to.left
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})
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},
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collision: "none"
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}, options));
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}
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$.fn.left = function(by) {
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return this.position2({
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my: "right middle",
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at: "left middle",
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offset: "25 0",
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by: by
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});
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}
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$.fn.right = function(by) {
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return this.position2({
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my: "left middle",
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at: "right middle",
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offset: "-25 0",
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by: by
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});
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}
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$.fn.center = function(by) {
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return this.position2({
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my: "center middle",
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at: "center middle",
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by: by
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});
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};
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$("img:eq(0)").left();
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$("img:eq(1)").center();
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$("img:eq(2)").right();
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$("body").css({
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overflow: "hidden"
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})
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$(".demo").css({
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position: "relative",
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});
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$(".demo img").css({
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position: "absolute",
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});
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function animate(to) {
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$(this).animate(to);
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}
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function next() {
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$("img:eq(2)").center(animate);
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$("img:eq(1)").left(animate)
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$("img:eq(0)").right().appendTo(".demo");
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}
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function previous() {
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$("img:eq(0)").center(animate);
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$("img:eq(1)").right(animate);
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$("img:eq(2)").left().prependTo(".demo");
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}
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$("#previous").click(previous);
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$("#next").click(next);
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$(".demo img").click(function() {
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$(".demo img").index(this) == 0 ? previous() : next();
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});
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$(window).resize(function() {
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$("img:eq(0)").left(animate);
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$("img:eq(1)").center(animate);
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$("img:eq(2)").right(animate);
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})
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});
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</script>
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</head>
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<body>
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<div class="demo">
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<img src="images/earth.jpg" />
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<img src="images/flight.jpg" />
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<img src="images/rocket.jpg" />
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<a id="previous" href="#">Previous</a>
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<a id="next" href="#">Next</a>
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</div>
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<div class="demo-description">
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<p>A prototype for the <a href="http://wiki.jqueryui.com/Photoviewer">Photoviewer</a> using Position to place images at the center, left and right and cycle them.
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<br/>Use the links at the top to cycle, or click on the images on the left and right.
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<br/>Note how the images are repositioned when resizing the window.
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<br/>Warning: Doesn't currently work inside the demo viewer; open in a new window instead!</p>
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</div><!-- End demo-description -->
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</body>
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</html>
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158
demos/position/default.html
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158
demos/position/default.html
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<!doctype html>
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<html lang="en">
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<head>
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<title>jQuery UI Position - Default functionality</title>
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<link type="text/css" href="../../themes/base/ui.all.css" rel="stylesheet" />
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<script type="text/javascript" src="../../jquery-1.3.2.js"></script>
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<script type="text/javascript" src="../../ui/ui.core.js"></script>
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<script type="text/javascript" src="../../ui/ui.draggable.js"></script>
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<script type="text/javascript" src="../../ui/ui.position.js"></script>
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<link type="text/css" href="../demos.css" rel="stylesheet" />
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<style type="text/css">
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div#parent
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{
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width: 60%;
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margin: 10px auto;
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padding: 5px;
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border: 1px solid #777;
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background-color: #fbca93;
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text-align: center;
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}
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div.positionable
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{
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width: 75px;
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height: 75px;
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display: block;
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position: fixed;
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right: 0;
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bottom: 0;
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background-color: #bcd5e6;
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text-align: center;
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}
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select, input
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{
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margin-left: 15px;
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}
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</style>
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<script type="text/javascript">
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$(function() {
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function position(by) {
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$('.positionable').position({
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of: $('#parent'),
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my: $('#my_horizontal').val() + ' ' + $('#my_vertical').val(),
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at: $('#at_horizontal').val() + ' '+ $('#at_vertical').val(),
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offset: $('#offset').val(),
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by: by,
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collision: $("#collision_horizontal").val() + ' ' + $("#collision_vertical").val()
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});
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}
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$('.positionable').css("opacity", 0.5);
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$(':input').bind('click keyup change', position);
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$("#parent").draggable({
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drag: position
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});
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$('.positionable').draggable({
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drag: function(event, ui) {
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// reset offset before calculating it
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$("#offset").val("0");
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position(function(result) {
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$("#offset").val("" + (ui.offset.left - result.left) + " " + (ui.offset.top - result.top));
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position();
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});
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}
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});
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position();
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});
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</script>
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</head>
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<body>
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<div class="demo">
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<div id="parent">
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<p>
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This is the position parent element.
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</p>
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</div>
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<div class="positionable">
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<p>
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to position
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</p>
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</div>
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<div class="positionable" style="width:120px; height: 40px;">
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<p>
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to position 2
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</p>
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</div>
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<div style="padding: 20px; margin-top: 75px;">
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position...
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<div style="padding-bottom: 20px;">
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<b>my:</b>
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<select id="my_horizontal">
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<option value="left">left</option>
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<option value="center">center</option>
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<option value="right">right</option>
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</select>
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<select id="my_vertical">
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<option value="top">top</option>
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<option value="middle">center</option>
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<option value="bottom">bottom</option>
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</select>
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</div>
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<div style="padding-bottom: 20px;">
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<b>at:</b>
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<select id="at_horizontal">
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<option value="left">left</option>
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<option value="center">center</option>
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<option value="right">right</option>
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</select>
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<select id="at_vertical">
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<option value="top">top</option>
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<option value="middle">center</option>
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<option value="bottom">bottom</option>
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</select>
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</div>
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<div style="padding-bottom: 20px;">
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<b>offset:</b>
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<input id="offset" type="text" size="15"/>
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</div>
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<div style="padding-bottom: 20px;">
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<b>collision:</b>
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<select id="collision_horizontal">
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<option value="flip">flip</option>
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<option value="fit">fit</option>
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<option value="none">none</option>
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</select>
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<select id="collision_vertical">
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<option value="flip">flip</option>
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<option value="fit">fit</option>
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<option value="none">none</option>
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</select>
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</div>
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</div>
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<div class="demo-description">
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<p>Use the form controls to configure the positioning, or drag the positioned element to modify its offset.
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<br/>Drag around the parent element to see collision detection in action.</p>
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</div><!-- End demo-description -->
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</body>
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</html>
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BIN
demos/position/images/earth.jpg
Normal file
BIN
demos/position/images/earth.jpg
Normal file
Binary file not shown.
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After Width: | Height: | Size: 34 KiB |
BIN
demos/position/images/flight.jpg
Normal file
BIN
demos/position/images/flight.jpg
Normal file
Binary file not shown.
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After Width: | Height: | Size: 34 KiB |
BIN
demos/position/images/rocket.jpg
Normal file
BIN
demos/position/images/rocket.jpg
Normal file
Binary file not shown.
|
After Width: | Height: | Size: 50 KiB |
18
demos/position/index.html
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18
demos/position/index.html
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@ -0,0 +1,18 @@
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<!doctype html>
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<html lang="en">
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<head>
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<title>jQuery UI Position Demo</title>
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<link type="text/css" href="../demos.css" rel="stylesheet" />
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</head>
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<body>
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<div class="demos-nav">
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<h4>Examples</h4>
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<ul>
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<li class="demo-config-on"><a href="default.html">Default functionality</a></li>
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<li><a href="cycler.html">Cycling images</a></li>
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</ul>
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</div>
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</body>
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</html>
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40
tests/unit/position/position.html
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40
tests/unit/position/position.html
Normal file
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<!doctype html>
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<html lang="en">
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<head>
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<title>jQuery UI Position Test Suite</title>
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<script type="text/javascript" src="../../../jquery-1.3.2.js"></script>
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<script type="text/javascript" src="../../../ui/ui.core.js"></script>
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<script type="text/javascript" src="../../../ui/ui.position.js"></script>
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<link type="text/css" href="../testsuite.css" rel="stylesheet" />
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<script type="text/javascript" src="../testsuite.js"></script>
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<script type="text/javascript" src="../../../external/testrunner-r6343.js"></script>
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<script type="text/javascript" src="position_core.js"></script>
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</head>
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<body>
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<div id="main" style="top: 0; left: 0;">
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<div id="el1" style="position: absolute; width: 6px; height: 6px;"></div>
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<div id="el2" style="position: absolute; width: 6px; height: 6px;"></div>
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<div id="parent" style="position: absolute; width: 6px; height: 6px; top: 4px; left: 4px;"></div>
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</div>
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<div style="position: absolute; top: 0px; left: 0px">
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<div id="elx" style="position: absolute; width: 10px; height: 10px;"></div>
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<div id="parentx" style="position: absolute; width: 20px; height: 20px; top: 40px; left: 40px;"></div>
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</div>
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<div style="position: absolute; top: 200px; left: 100px;">
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<div id="el-offset-100-200" style="position: absolute; width: 10px; height: 10px;"></div>
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<div style="position: absolute; top: 100px; left: 50px;">
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<div id="el-two-offset-150-300" style="position: absolute; width: 10px; height: 10px;"></div>
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<div id="el-fixed" style="position: fixed; top: 200px; left: 200px;"></div>
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</div>
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</div>
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<div style="position: absolute; height: 5000px; width: 5000px;"></div>
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</body>
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</html>
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333
tests/unit/position/position_core.js
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333
tests/unit/position/position_core.js
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/*
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* position_core.js
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*/
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(function($) {
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test('my, at, of', function() {
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$('#elx').position({
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my: 'left top',
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at: 'left top',
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of: '#parentx',
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collision: 'none'
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});
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same($('#elx').offset(), { top: 40, left: 40 }, 'left top, left top');
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$('#elx').position({
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my: 'left top',
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at: 'left bottom',
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of: '#parentx',
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collision: 'none'
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});
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same($('#elx').offset(), { top: 60, left: 40 }, 'left top, left bottom');
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$('#elx').position({
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my: 'left',
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at: 'bottom',
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of: '#parentx',
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collision: 'none'
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});
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same($('#elx').offset(), { top: 55, left: 50 }, 'left, bottom');
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|
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$('#elx').position({
|
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my: 'left foo',
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at: 'bar baz',
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of: '#parentx',
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collision: 'none'
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});
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same($('#elx').offset(), { top: 45, left: 50 }, 'left foo, bar baz');
|
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});
|
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|
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test('multiple elements', function() {
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var elements = $('#el1, #el2');
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var result = elements.position({
|
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my: 'left top',
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at: 'left bottom',
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of: '#parent',
|
||||
collision: 'none'
|
||||
});
|
||||
|
||||
same(result, elements);
|
||||
var expected = {top: 10, left: 4};
|
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elements.each(function() {
|
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same($(this).offset(), expected);
|
||||
});
|
||||
});
|
||||
|
||||
test('positions', function() {
|
||||
var definitions = [];
|
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var offsets = {
|
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left: 0,
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center: 3,
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right: 6,
|
||||
top: 0,
|
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center: 3,
|
||||
bottom: 6
|
||||
};
|
||||
var start = { left: 4, top: 4 };
|
||||
$.each([0, 1], function(my) {
|
||||
$.each(["top", "center", "bottom"], function(vindex, vertical) {
|
||||
$.each(["left", "center", "right"], function(hindex, horizontal) {
|
||||
definitions.push({
|
||||
my: my ? horizontal + " " + vertical : 'left top',
|
||||
at: !my ? horizontal + " " + vertical : 'left top',
|
||||
result: {
|
||||
top: my ? start.top - offsets[vertical] : start.top + offsets[vertical],
|
||||
left: my ? start.left - offsets[horizontal] : start.left + offsets[horizontal]
|
||||
}
|
||||
});
|
||||
});
|
||||
});
|
||||
});
|
||||
var el = $("#el1");
|
||||
$.each(definitions, function(index, definition) {
|
||||
el.position({
|
||||
my: definition.my,
|
||||
at: definition.at,
|
||||
of: '#parent',
|
||||
collision: 'none'
|
||||
});
|
||||
same(el.offset(), definition.result, "Position via " + jsDump.parse({my:definition.my, at:definition.at}));
|
||||
});
|
||||
});
|
||||
|
||||
test('of', function() {
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'left top',
|
||||
of: '#parentx',
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), { top: 40, left: 40 }, 'selector');
|
||||
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'left bottom',
|
||||
of: $('#parentx'),
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), { top: 60, left: 40 }, 'jQuery object');
|
||||
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'left top',
|
||||
of: $('#parentx')[0],
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), { top: 40, left: 40 }, 'DOM element');
|
||||
|
||||
$('#elx').position({
|
||||
my: 'right bottom',
|
||||
at: 'right bottom',
|
||||
of: document,
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), {
|
||||
top: $(document).height() - 10,
|
||||
left: $(document).width() - 10
|
||||
}, 'document');
|
||||
|
||||
$('#elx').position({
|
||||
my: 'right bottom',
|
||||
at: 'right bottom',
|
||||
of: window,
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), {
|
||||
top: $(window).height() - 10,
|
||||
left: $(window).width() - 10
|
||||
}, 'window');
|
||||
|
||||
$(window).scrollTop(500).scrollLeft(200);
|
||||
$('#elx').position({
|
||||
my: 'right bottom',
|
||||
at: 'right bottom',
|
||||
of: window,
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), {
|
||||
top: $(window).height() + 500 - 10,
|
||||
left: $(window).width() + 200 - 10
|
||||
}, 'window, scrolled');
|
||||
$(window).scrollTop(0).scrollLeft(0);
|
||||
|
||||
var event = $.extend($.Event('someEvent'), { pageX: 200, pageY: 300 });
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'left top',
|
||||
of: event,
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), {
|
||||
top: 300,
|
||||
left: 200
|
||||
}, 'event - left top, left top');
|
||||
|
||||
event = $.extend($.Event('someEvent'), { pageX: 400, pageY: 600 });
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'right bottom',
|
||||
of: event,
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), {
|
||||
top: 600,
|
||||
left: 400
|
||||
}, 'event - left top, right bottom');
|
||||
});
|
||||
|
||||
test('offset', function() {
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'left bottom',
|
||||
of: '#parentx',
|
||||
offset: '10',
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), { top: 70, left: 50 }, 'single value');
|
||||
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'left bottom',
|
||||
of: '#parentx',
|
||||
offset: '5 -3',
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), { top: 57, left: 45 }, 'two values');
|
||||
|
||||
$('#elx').position({
|
||||
my: 'left top',
|
||||
at: 'left bottom',
|
||||
of: '#parentx',
|
||||
offset: '5px -3px',
|
||||
collision: 'none'
|
||||
});
|
||||
same($('#elx').offset(), { top: 57, left: 45 }, 'with units');
|
||||
});
|
||||
|
||||
test('by', function() {
|
||||
expect(6);
|
||||
|
||||
var count = 0,
|
||||
elems = $('#el1, #el2'),
|
||||
expectedPosition = { top: 40, left: 40 },
|
||||
originalPosition = elems.position({
|
||||
my: 'right bottom',
|
||||
at: 'rigt bottom',
|
||||
of: '#parentx',
|
||||
collision: 'none'
|
||||
}).offset();
|
||||
|
||||
elems.position({
|
||||
my: 'left top',
|
||||
at: 'left top',
|
||||
of: '#parentx',
|
||||
by: function(position) {
|
||||
same(this, elems[count], 'correct context for call #' + count);
|
||||
same(position, expectedPosition, 'correct position for call #' + count);
|
||||
count++;
|
||||
}
|
||||
});
|
||||
|
||||
elems.each(function() {
|
||||
same($(this).offset(), originalPosition, 'elements not moved');
|
||||
});
|
||||
});
|
||||
|
||||
function collisionTest(config, result, msg) {
|
||||
var elem = $("#elx").position($.extend({
|
||||
my: "left top",
|
||||
at: "right bottom",
|
||||
of: window
|
||||
}, config));
|
||||
same(elem.offset(), result, msg);
|
||||
}
|
||||
|
||||
function collisionTest2(config, result, msg) {
|
||||
collisionTest($.extend({
|
||||
my: "right bottom",
|
||||
at: "left top"
|
||||
}, config), result, msg);
|
||||
}
|
||||
|
||||
test("collision: fit, no offset", function() {
|
||||
collisionTest({
|
||||
collision: "fit"
|
||||
}, { top: $(window).height() - 10, left: $(window).width() - 10 }, "right bottom");
|
||||
|
||||
collisionTest2({
|
||||
collision: "fit"
|
||||
}, { top: 0, left: 0 }, "left top");
|
||||
});
|
||||
|
||||
test("collision: fit, with offset", function() {
|
||||
collisionTest({
|
||||
collision: "fit",
|
||||
offset: "2 3"
|
||||
}, { top: $(window).height() - 10, left: $(window).width() - 10 }, "right bottom");
|
||||
|
||||
collisionTest2({
|
||||
collision: "fit",
|
||||
offset: "2 3"
|
||||
}, { top: 0, left: 0 }, "left top, positive offset");
|
||||
|
||||
collisionTest2({
|
||||
collision: "fit",
|
||||
offset: "-2 -3"
|
||||
}, { top: 0, left: 0 }, "left top, negative offset");
|
||||
});
|
||||
|
||||
test("collision: flip, no offset", function() {
|
||||
collisionTest({
|
||||
collision: "flip"
|
||||
}, { top: -10, left: -10 }, "left top");
|
||||
|
||||
collisionTest2({
|
||||
collision: "flip"
|
||||
}, { top: $(window).height(), left: $(window).width() }, "right bottom");
|
||||
});
|
||||
|
||||
test("collision: flip, with offset", function() {
|
||||
collisionTest({
|
||||
collision: "flip",
|
||||
offset: "2 3"
|
||||
}, { top: -13, left: -12 }, "left top, with offset added");
|
||||
|
||||
collisionTest2({
|
||||
collision: "flip",
|
||||
offset: "2 3"
|
||||
}, { top: $(window).height() - 3, left: $(window).width() - 2 }, "bottom, positive offset");
|
||||
|
||||
collisionTest2({
|
||||
collision: "flip",
|
||||
offset: "-2 -3"
|
||||
}, { top: $(window).height() + 3, left: $(window).width() + 2 }, "right bottom, negative offset");
|
||||
});
|
||||
|
||||
test("collision: none, no offset", function() {
|
||||
collisionTest({
|
||||
collision: "none"
|
||||
}, { top: $(window).height(), left: $(window).width() }, "left top");
|
||||
|
||||
collisionTest2({
|
||||
collision: "none"
|
||||
}, { top: -10, left: -10 }, "moved to the right bottom");
|
||||
});
|
||||
|
||||
test("collision: none, with offset", function() {
|
||||
collisionTest({
|
||||
collision: "none",
|
||||
offset: "2 3"
|
||||
}, { top: $(window).height() + 3, left: $(window).width() + 2 }, "right bottom, with offset added");
|
||||
|
||||
collisionTest2({
|
||||
collision: "none",
|
||||
offset: "2 3"
|
||||
}, { top: -7, left: -8 }, "left top, positive offset");
|
||||
|
||||
collisionTest2({
|
||||
collision: "none",
|
||||
offset: "-2 -3"
|
||||
}, { top: -13, left: -12 }, "left top, negative offset");
|
||||
});
|
||||
|
||||
})(jQuery);
|
||||
227
ui/ui.position.js
Normal file
227
ui/ui.position.js
Normal file
@ -0,0 +1,227 @@
|
||||
/*
|
||||
* jQuery UI Position @VERSION
|
||||
*
|
||||
* Copyright (c) 2009 AUTHORS.txt (http://jqueryui.com/about)
|
||||
* Dual licensed under the MIT (MIT-LICENSE.txt)
|
||||
* and GPL (GPL-LICENSE.txt) licenses.
|
||||
*
|
||||
* TODO: create document page for position and add link here
|
||||
*/
|
||||
(function($) {
|
||||
|
||||
var horizontalPositions = /left|center|right/,
|
||||
horizontalDefault = 'center',
|
||||
verticalPositions = /top|center|bottom/,
|
||||
verticalDefault = 'center',
|
||||
_position = $.fn.position;
|
||||
|
||||
$.fn.position = function(options) {
|
||||
if (!options || !options.of) {
|
||||
return _position.apply(this, arguments);
|
||||
}
|
||||
|
||||
options = $.extend({
|
||||
stackFix: true
|
||||
}, options);
|
||||
|
||||
var target = $(options.of),
|
||||
collision = (options.collision || 'flip').split(' '),
|
||||
offset = options.offset ? options.offset.split(' ') : [0, 0],
|
||||
targetWidth,
|
||||
targetHeight,
|
||||
basePosition;
|
||||
|
||||
if (options.of == document) {
|
||||
targetWidth = target.width();
|
||||
targetHeight = target.height();
|
||||
basePosition = { top: 0, left: 0 };
|
||||
} else if (options.of == window) {
|
||||
targetWidth = target.width();
|
||||
targetHeight = target.height();
|
||||
basePosition = { top: target.scrollTop(), left: target.scrollLeft() };
|
||||
} else if (options.of.preventDefault) {
|
||||
targetWidth = targetHeight = 0;
|
||||
basePosition = { top: options.of.pageY, left: options.of.pageX };
|
||||
} else {
|
||||
targetWidth = target.outerWidth();
|
||||
targetHeight = target.outerHeight();
|
||||
basePosition = target.offset();
|
||||
}
|
||||
|
||||
// force my and at to have valid horizontal and veritcal positions
|
||||
// if a value is missing or invalid, it will be converted to center
|
||||
$.each(['my', 'at'], function() {
|
||||
var pos = options[this].split(' ');
|
||||
pos = pos.length == 1
|
||||
? horizontalPositions.test(pos[0])
|
||||
? pos.concat([verticalDefault])
|
||||
: verticalPositions.test(pos[0])
|
||||
? [horizontalDefault].concat(pos)
|
||||
: [horizontalDefault, verticalDefault]
|
||||
: pos;
|
||||
pos[0] = horizontalPositions.test(pos[0]) ? pos[0] : horizontalDefault;
|
||||
pos[1] = verticalPositions.test(pos[1]) ? pos[1] : verticalDefault;
|
||||
options[this] = pos;
|
||||
});
|
||||
|
||||
// normalize collision option
|
||||
if (collision.length == 1) {
|
||||
collision[1] = collision[0];
|
||||
}
|
||||
|
||||
// normalize offset option
|
||||
offset[0] = parseInt(offset[0], 10) || 0;
|
||||
if (offset.length == 1) {
|
||||
offset[1] = offset[0];
|
||||
}
|
||||
offset[1] = parseInt(offset[1], 10) || 0;
|
||||
|
||||
switch (options.at[0]) {
|
||||
case 'right':
|
||||
basePosition.left += targetWidth;
|
||||
break;
|
||||
case horizontalDefault:
|
||||
basePosition.left += targetWidth / 2;
|
||||
break;
|
||||
}
|
||||
|
||||
switch (options.at[1]) {
|
||||
case 'bottom':
|
||||
basePosition.top += targetHeight;
|
||||
break;
|
||||
case verticalDefault:
|
||||
basePosition.top += targetHeight / 2;
|
||||
break;
|
||||
}
|
||||
|
||||
basePosition.left += offset[0];
|
||||
basePosition.top += offset[1];
|
||||
|
||||
return this.each(function() {
|
||||
var elem = $(this),
|
||||
elemWidth = elem.outerWidth(),
|
||||
elemHeight = elem.outerHeight(),
|
||||
position = $.extend({}, basePosition),
|
||||
over,
|
||||
myOffset,
|
||||
atOffset;
|
||||
|
||||
switch (options.my[0]) {
|
||||
case 'right':
|
||||
position.left -= elemWidth;
|
||||
break;
|
||||
case horizontalDefault:
|
||||
position.left -= elemWidth / 2;
|
||||
break;
|
||||
}
|
||||
|
||||
switch (options.my[1]) {
|
||||
case 'bottom':
|
||||
position.top -= elemHeight;
|
||||
break;
|
||||
case verticalDefault:
|
||||
position.top -= elemHeight / 2;
|
||||
break;
|
||||
}
|
||||
|
||||
$.each(['left', 'top'], function(i, dir) {
|
||||
($.ui.position[collision[i]] &&
|
||||
$.ui.position[collision[i]][dir](position, {
|
||||
targetWidth: targetWidth,
|
||||
targetHeight: targetHeight,
|
||||
elemWidth: elemWidth,
|
||||
elemHeight: elemHeight,
|
||||
offset: offset,
|
||||
my: options.my,
|
||||
at: options.at
|
||||
}));
|
||||
});
|
||||
|
||||
(options.stackfix && $.fn.stackfix && elem.stackfix());
|
||||
// the by function is passed the offset values, not the position values
|
||||
// we'll need the logic from the .offset() setter to be accessible for
|
||||
// us to calculate the position values to make the by option more useful
|
||||
($.isFunction(options.by) ? options.by.call(this, position) : elem.offset(position));
|
||||
});
|
||||
};
|
||||
|
||||
$.ui.position = {
|
||||
fit: {
|
||||
left: function(position, data) {
|
||||
var over = position.left + data.elemWidth - $(window).width() - $(window).scrollLeft();
|
||||
position.left = over > 0 ? position.left - over : Math.max(0, position.left);
|
||||
},
|
||||
top: function(position, data) {
|
||||
var over = position.top + data.elemHeight - $(window).height() - $(window).scrollTop();
|
||||
position.top = over > 0 ? position.top - over : Math.max(0, position.top);
|
||||
}
|
||||
},
|
||||
|
||||
flip: {
|
||||
left: function(position, data) {
|
||||
if (data.at[0] == 'center')
|
||||
return;
|
||||
var over = position.left + data.elemWidth - $(window).width() - $(window).scrollLeft(),
|
||||
myOffset = data.my[0] == 'left' ? -data.elemWidth : data.my[0] == 'right' ? data.elemWidth : 0,
|
||||
offset = -2 * data.offset[0];
|
||||
position.left += position.left < 0 ? myOffset + data.targetWidth + offset : over > 0 ? myOffset - data.targetWidth + offset : 0;
|
||||
},
|
||||
top: function(position, data) {
|
||||
if (data.at[1] == 'center')
|
||||
return;
|
||||
var over = position.top + data.elemHeight - $(window).height() - $(window).scrollTop(),
|
||||
myOffset = data.my[1] == 'top' ? -data.elemHeight : data.my[1] == 'bottom' ? data.elemHeight : 0,
|
||||
atOffset = data.at[1] == 'top' ? data.targetHeight : -data.targetHeight,
|
||||
offset = -2 * data.offset[1];
|
||||
position.top += position.top < 0 ? myOffset + data.targetHeight + offset : over > 0 ? myOffset + atOffset + offset : 0;
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
// the following functionality is planned for jQuery 1.4
|
||||
// based on http://plugins.jquery.com/files/offset.js.txt
|
||||
$.fn.extend({
|
||||
_offset: $.fn.offset,
|
||||
offset: function(newOffset) {
|
||||
return !newOffset ? this._offset() : this.each(function() {
|
||||
var elem = $(this),
|
||||
// we need to convert static positioning to relative positioning
|
||||
isRelative = /relative|static/.test(elem.css('position')),
|
||||
hide = elem.css('display') == 'none';
|
||||
|
||||
(isRelative && elem.css('position', 'relative'));
|
||||
(hide && elem.show());
|
||||
|
||||
var offset = elem.offset(),
|
||||
delta = {
|
||||
left : parseInt(elem.css('left'), 10),
|
||||
top: parseInt(elem.css('top'), 10)
|
||||
};
|
||||
|
||||
// in case of 'auto'
|
||||
delta.left = !isNaN(delta.left)
|
||||
? delta.left
|
||||
: isRelative
|
||||
? 0
|
||||
: this.offsetLeft;
|
||||
delta.top = !isNaN(delta.top)
|
||||
? delta.top
|
||||
: isRelative
|
||||
? 0
|
||||
: this.offsetTop;
|
||||
|
||||
// allow setting only left or only top
|
||||
if (newOffset.left || newOffset.left === 0) {
|
||||
elem.css('left', newOffset.left - offset.left + delta.left);
|
||||
}
|
||||
if (newOffset.top || newOffset.top === 0) {
|
||||
elem.css('top', newOffset.top - offset.top + delta.top);
|
||||
}
|
||||
|
||||
(hide && elem.hide());
|
||||
});
|
||||
}
|
||||
});
|
||||
|
||||
})(jQuery);
|
||||
Loading…
Reference in New Issue
Block a user