mirror of
https://github.com/jquery/jquery-ui.git
synced 2024-11-21 11:04:24 +00:00
521 lines
14 KiB
JavaScript
521 lines
14 KiB
JavaScript
/*
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* jQuery UI @VERSION
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*
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* Copyright (c) 2009 AUTHORS.txt (http://ui.jquery.com/about)
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* Dual licensed under the MIT (MIT-LICENSE.txt)
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* and GPL (GPL-LICENSE.txt) licenses.
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*
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* http://docs.jquery.com/UI
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*/
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;(function($) {
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var _remove = $.fn.remove,
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isFF2 = $.browser.mozilla && (parseFloat($.browser.version) < 1.9);
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//Helper functions and ui object
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$.ui = {
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version: "@VERSION",
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// $.ui.plugin is deprecated. Use the proxy pattern instead.
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plugin: {
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add: function(module, option, set) {
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var proto = $.ui[module].prototype;
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for(var i in set) {
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proto.plugins[i] = proto.plugins[i] || [];
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proto.plugins[i].push([option, set[i]]);
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}
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},
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call: function(instance, name, args) {
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var set = instance.plugins[name];
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if(!set) { return; }
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for (var i = 0; i < set.length; i++) {
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if (instance.options[set[i][0]]) {
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set[i][1].apply(instance.element, args);
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}
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}
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}
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},
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contains: function(a, b) {
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return document.compareDocumentPosition
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? a.compareDocumentPosition(b) & 16
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: a !== b && a.contains(b);
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},
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cssCache: {},
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css: function(name) {
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if ($.ui.cssCache[name]) { return $.ui.cssCache[name]; }
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var tmp = $('<div class="ui-gen"></div>').addClass(name).css({position:'absolute', top:'-5000px', left:'-5000px', display:'block'}).appendTo('body');
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//if (!$.browser.safari)
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//tmp.appendTo('body');
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//Opera and Safari set width and height to 0px instead of auto
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//Safari returns rgba(0,0,0,0) when bgcolor is not set
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$.ui.cssCache[name] = !!(
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(!(/auto|default/).test(tmp.css('cursor')) || (/^[1-9]/).test(tmp.css('height')) || (/^[1-9]/).test(tmp.css('width')) ||
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!(/none/).test(tmp.css('backgroundImage')) || !(/transparent|rgba\(0, 0, 0, 0\)/).test(tmp.css('backgroundColor')))
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);
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try { $('body').get(0).removeChild(tmp.get(0)); } catch(e){}
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return $.ui.cssCache[name];
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},
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hasScroll: function(el, a) {
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//If overflow is hidden, the element might have extra content, but the user wants to hide it
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if ($(el).css('overflow') == 'hidden') { return false; }
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var scroll = (a && a == 'left') ? 'scrollLeft' : 'scrollTop',
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has = false;
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if (el[scroll] > 0) { return true; }
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// TODO: determine which cases actually cause this to happen
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// if the element doesn't have the scroll set, see if it's possible to
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// set the scroll
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el[scroll] = 1;
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has = (el[scroll] > 0);
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el[scroll] = 0;
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return has;
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},
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isOverAxis: function(x, reference, size) {
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//Determines when x coordinate is over "b" element axis
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return (x > reference) && (x < (reference + size));
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},
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isOver: function(y, x, top, left, height, width) {
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//Determines when x, y coordinates is over "b" element
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return $.ui.isOverAxis(y, top, height) && $.ui.isOverAxis(x, left, width);
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},
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keyCode: {
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BACKSPACE: 8,
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CAPS_LOCK: 20,
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COMMA: 188,
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CONTROL: 17,
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DELETE: 46,
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DOWN: 40,
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END: 35,
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ENTER: 13,
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ESCAPE: 27,
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HOME: 36,
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INSERT: 45,
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LEFT: 37,
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NUMPAD_ADD: 107,
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NUMPAD_DECIMAL: 110,
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NUMPAD_DIVIDE: 111,
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NUMPAD_ENTER: 108,
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NUMPAD_MULTIPLY: 106,
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NUMPAD_SUBTRACT: 109,
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PAGE_DOWN: 34,
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PAGE_UP: 33,
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PERIOD: 190,
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RIGHT: 39,
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SHIFT: 16,
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SPACE: 32,
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TAB: 9,
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UP: 38
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}
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};
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// WAI-ARIA normalization
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if (isFF2) {
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var attr = $.attr,
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removeAttr = $.fn.removeAttr,
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ariaNS = "http://www.w3.org/2005/07/aaa",
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ariaState = /^aria-/,
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ariaRole = /^wairole:/;
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$.attr = function(elem, name, value) {
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var set = value !== undefined;
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return (name == 'role'
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? (set
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? attr.call(this, elem, name, "wairole:" + value)
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: (attr.apply(this, arguments) || "").replace(ariaRole, ""))
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: (ariaState.test(name)
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? (set
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? elem.setAttributeNS(ariaNS,
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name.replace(ariaState, "aaa:"), value)
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: attr.call(this, elem, name.replace(ariaState, "aaa:")))
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: attr.apply(this, arguments)));
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};
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$.fn.removeAttr = function(name) {
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return (ariaState.test(name)
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? this.each(function() {
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this.removeAttributeNS(ariaNS, name.replace(ariaState, ""));
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}) : removeAttr.call(this, name));
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};
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}
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//jQuery plugins
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$.fn.extend({
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remove: function() {
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// Safari has a native remove event which actually removes DOM elements,
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// so we have to use triggerHandler instead of trigger (#3037).
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$("*", this).add(this).each(function() {
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$(this).triggerHandler("remove");
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});
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return _remove.apply(this, arguments );
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},
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enableSelection: function() {
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return this
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.attr('unselectable', 'off')
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.css('MozUserSelect', '')
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.unbind('selectstart.ui');
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},
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disableSelection: function() {
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return this
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.attr('unselectable', 'on')
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.css('MozUserSelect', 'none')
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.bind('selectstart.ui', function() { return false; });
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},
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scrollParent: function() {
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var scrollParent;
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if(($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {
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scrollParent = this.parents().filter(function() {
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return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
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}).eq(0);
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} else {
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scrollParent = this.parents().filter(function() {
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return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));
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}).eq(0);
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}
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return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;
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}
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});
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//Additional selectors
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$.extend($.expr[':'], {
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data: function(elem, i, match) {
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return !!$.data(elem, match[3]);
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},
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focusable: function(element) {
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var nodeName = element.nodeName.toLowerCase(),
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tabIndex = $.attr(element, 'tabindex');
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return (/input|select|textarea|button|object/.test(nodeName)
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? !element.disabled
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: 'a' == nodeName || 'area' == nodeName
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? element.href || !isNaN(tabIndex)
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: !isNaN(tabIndex))
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// the element and all of its ancestors must be visible
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// the browser may report that the area is hidden
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&& !$(element)['area' == nodeName ? 'parents' : 'closest'](':hidden').length;
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},
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tabbable: function(element) {
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var tabIndex = $.attr(element, 'tabindex');
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return (isNaN(tabIndex) || tabIndex >= 0) && $(element).is(':focusable');
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}
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});
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// $.widget is a factory to create jQuery plugins
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// taking some boilerplate code out of the plugin code
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function getter(namespace, plugin, method, args) {
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function getMethods(type) {
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var methods = $[namespace][plugin][type] || [];
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return (typeof methods == 'string' ? methods.split(/,?\s+/) : methods);
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}
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var methods = getMethods('getter');
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if (args.length == 1 && typeof args[0] == 'string') {
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methods = methods.concat(getMethods('getterSetter'));
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}
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return ($.inArray(method, methods) != -1);
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}
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$.widget = function(name, prototype) {
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var namespace = name.split(".")[0];
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name = name.split(".")[1];
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// create plugin method
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$.fn[name] = function(options) {
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var isMethodCall = (typeof options == 'string'),
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args = Array.prototype.slice.call(arguments, 1);
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// prevent calls to internal methods
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if (isMethodCall && options.substring(0, 1) == '_') {
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return this;
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}
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// handle getter methods
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if (isMethodCall && getter(namespace, name, options, args)) {
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var instance = $.data(this[0], name);
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return (instance ? instance[options].apply(instance, args)
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: undefined);
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}
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// handle initialization and non-getter methods
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return this.each(function() {
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var instance = $.data(this, name);
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// constructor
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(!instance && !isMethodCall &&
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$.data(this, name, new $[namespace][name](this, options))._init());
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// method call
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(instance && isMethodCall && $.isFunction(instance[options]) &&
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instance[options].apply(instance, args));
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});
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};
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// create widget constructor
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$[namespace] = $[namespace] || {};
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$[namespace][name] = function(element, options) {
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var self = this;
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this.namespace = namespace;
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this.widgetName = name;
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this.widgetEventPrefix = $[namespace][name].eventPrefix || name;
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this.widgetBaseClass = namespace + '-' + name;
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this.options = $.extend({},
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$.widget.defaults,
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$[namespace][name].defaults,
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$.metadata && $.metadata.get(element)[name],
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options);
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this.element = $(element)
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.bind('setData.' + name, function(event, key, value) {
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if (event.target == element) {
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return self._setData(key, value);
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}
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})
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.bind('getData.' + name, function(event, key) {
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if (event.target == element) {
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return self._getData(key);
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}
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})
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.bind('remove', function() {
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return self.destroy();
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});
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};
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// add widget prototype
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$[namespace][name].prototype = $.extend({}, $.widget.prototype, prototype);
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// TODO: merge getter and getterSetter properties from widget prototype
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// and plugin prototype
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$[namespace][name].getterSetter = 'option';
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};
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$.widget.prototype = {
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_init: function() {},
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destroy: function() {
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this.element.removeData(this.widgetName)
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.removeClass(this.widgetBaseClass + '-disabled' + ' ' + this.namespace + '-state-disabled')
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.removeAttr('aria-disabled');
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},
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option: function(key, value) {
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var options = key,
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self = this;
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if (typeof key == "string") {
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if (value === undefined) {
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return this._getData(key);
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}
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options = {};
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options[key] = value;
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}
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$.each(options, function(key, value) {
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self._setData(key, value);
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});
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},
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_getData: function(key) {
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return this.options[key];
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},
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_setData: function(key, value) {
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this.options[key] = value;
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if (key == 'disabled') {
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this.element
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[value ? 'addClass' : 'removeClass'](
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this.widgetBaseClass + '-disabled' + ' ' +
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this.namespace + '-state-disabled')
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.attr("aria-disabled", value);
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}
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},
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enable: function() {
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this._setData('disabled', false);
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},
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disable: function() {
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this._setData('disabled', true);
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},
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_trigger: function(type, event, data) {
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var callback = this.options[type],
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eventName = (type == this.widgetEventPrefix
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? type : this.widgetEventPrefix + type);
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event = $.Event(event);
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event.type = eventName;
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this.element.trigger(event, data);
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return !($.isFunction(callback) && callback.call(this.element[0], event, data) === false
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|| event.isDefaultPrevented());
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}
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};
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$.widget.defaults = {
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disabled: false
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};
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/** Mouse Interaction Plugin **/
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$.ui.mouse = {
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_mouseInit: function() {
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var self = this;
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this.element
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.bind('mousedown.'+this.widgetName, function(event) {
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return self._mouseDown(event);
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})
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.bind('click.'+this.widgetName, function(event) {
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if(self._preventClickEvent) {
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self._preventClickEvent = false;
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return false;
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}
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});
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// Prevent text selection in IE
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if ($.browser.msie) {
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this._mouseUnselectable = this.element.attr('unselectable');
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this.element.attr('unselectable', 'on');
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}
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this.started = false;
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},
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// TODO: make sure destroying one instance of mouse doesn't mess with
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// other instances of mouse
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_mouseDestroy: function() {
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this.element.unbind('.'+this.widgetName);
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// Restore text selection in IE
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($.browser.msie
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&& this.element.attr('unselectable', this._mouseUnselectable));
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},
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_mouseDown: function(event) {
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// we may have missed mouseup (out of window)
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(this._mouseStarted && this._mouseUp(event));
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this._mouseDownEvent = event;
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var self = this,
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btnIsLeft = (event.which == 1),
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elIsCancel = (typeof this.options.cancel == "string" ? $(event.target).parents().add(event.target).filter(this.options.cancel).length : false);
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if (!btnIsLeft || elIsCancel || !this._mouseCapture(event)) {
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return true;
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}
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this.mouseDelayMet = !this.options.delay;
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if (!this.mouseDelayMet) {
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this._mouseDelayTimer = setTimeout(function() {
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self.mouseDelayMet = true;
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}, this.options.delay);
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}
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if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
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this._mouseStarted = (this._mouseStart(event) !== false);
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if (!this._mouseStarted) {
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event.preventDefault();
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return true;
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}
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}
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// these delegates are required to keep context
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this._mouseMoveDelegate = function(event) {
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return self._mouseMove(event);
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};
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this._mouseUpDelegate = function(event) {
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return self._mouseUp(event);
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};
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$(document)
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.bind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
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.bind('mouseup.'+this.widgetName, this._mouseUpDelegate);
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// preventDefault() is used to prevent the selection of text here -
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// however, in Safari, this causes select boxes not to be selectable
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// anymore, so this fix is needed
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($.browser.safari || event.preventDefault());
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return true;
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},
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_mouseMove: function(event) {
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// IE mouseup check - mouseup happened when mouse was out of window
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if ($.browser.msie && !event.button) {
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return this._mouseUp(event);
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}
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if (this._mouseStarted) {
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this._mouseDrag(event);
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return event.preventDefault();
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}
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if (this._mouseDistanceMet(event) && this._mouseDelayMet(event)) {
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this._mouseStarted =
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(this._mouseStart(this._mouseDownEvent, event) !== false);
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(this._mouseStarted ? this._mouseDrag(event) : this._mouseUp(event));
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}
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return !this._mouseStarted;
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},
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_mouseUp: function(event) {
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$(document)
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.unbind('mousemove.'+this.widgetName, this._mouseMoveDelegate)
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.unbind('mouseup.'+this.widgetName, this._mouseUpDelegate);
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if (this._mouseStarted) {
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this._mouseStarted = false;
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this._preventClickEvent = true;
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this._mouseStop(event);
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}
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return false;
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},
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_mouseDistanceMet: function(event) {
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return (Math.max(
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Math.abs(this._mouseDownEvent.pageX - event.pageX),
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Math.abs(this._mouseDownEvent.pageY - event.pageY)
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) >= this.options.distance
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);
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},
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_mouseDelayMet: function(event) {
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return this.mouseDelayMet;
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},
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// These are placeholder methods, to be overriden by extending plugin
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_mouseStart: function(event) {},
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_mouseDrag: function(event) {},
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_mouseStop: function(event) {},
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_mouseCapture: function(event) { return true; }
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};
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$.ui.mouse.defaults = {
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cancel: null,
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distance: 1,
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delay: 0
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};
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})(jQuery);
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