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$Id: drupal.js,v 1.41.2.4 2009/07/21 08:59:10 goba Exp $ var Drupal = Drupal || { 'settings': {}, 'behaviors': {}, 'themes': {}, 'locale': {} }; /** * Set the variable that indicates if JavaScript behaviors should be applied */ Drupal.jsEnabled = document.getElementsByTagName && document.createElement && document.createTextNode && document.documentElement && document.getElementById; /** * Attach all registered behaviors to a page element. * * Behaviors are event-triggered actions that attach to page elements, enhancing * default non-Javascript UIs. Behaviors are registered in the Drupal.behaviors * object as follows: * @code * Drupal.behaviors.behaviorName = function () { * ... * }; * @endcode * * Drupal.attachBehaviors is added below to the jQuery ready event and so * runs on initial page load. Developers implementing AHAH/AJAX in their * solutions should also call this function after new page content has been * loaded, feeding in an element to be processed, in order to attach all * behaviors to the new content. * * Behaviors should use a class in the form behaviorName-processed to ensure * the behavior is attached only once to a given element. (Doing so enables * the reprocessing of given elements, which may be needed on occasion despite * the ability to limit behavior attachment to a particular element.) * * @param context * An element to attach behaviors to. If none is given, the document element * is used. */ Drupal.attachBehaviors = function(context) { context = context || document; if (Drupal.jsEnabled) { // Execute all of them. jQuery.each(Drupal.behaviors, function() { this(context); }); } }; /** * Encode special characters in a plain-text string for display as HTML. */ Drupal.checkPlain = function(str) { str = String(str); var replace = { '&': '&', '"': '"', '<': '<', '>': '>' }; for (var character in replace) { var regex = new RegExp(character, 'g'); str = str.replace(regex, replace[character]); } return str; }; /** * Translate strings to the page language or a given language. * * See the documentation of the server-side t() function for further details. * * @param str * A string containing the English string to translate. * @param args * An object of replacements pairs to make after translation. Incidences * of any key in this array are replaced with the corresponding value. * Based on the first character of the key, the value is escaped and/or themed: * - !variable: inserted as is * - @variable: escape plain text to HTML (Drupal.checkPlain) * - %variable: escape text and theme as a placeholder for user-submitted * content (checkPlain + Drupal.theme('placeholder')) * @return * The translated string. */ Drupal.t = function(str, args) { // Fetch the localized version of the string. if (Drupal.locale.strings && Drupal.locale.strings[str]) { str = Drupal.locale.strings[str]; } if (args) { // Transform arguments before inserting them for (var key in args) { switch (key.charAt(0)) { // Escaped only case '@': args[key] = Drupal.checkPlain(args[key]); break; // Pass-through case '!': break; // Escaped and placeholder case '%': default: args[key] = Drupal.theme('placeholder', args[key]); break; } str = str.replace(key, args[key]); } } return str; }; /** * Format a string containing a count of items. * * This function ensures that the string is pluralized correctly. Since Drupal.t() is * called by this function, make sure not to pass already-localized strings to it. * * See the documentation of the server-side format_plural() function for further details. * * @param count * The item count to display. * @param singular * The string for the singular case. Please make sure it is clear this is * singular, to ease translation (e.g. use "1 new comment" instead of "1 new"). * Do not use @count in the singular string. * @param plural * The string for the plural case. Please make sure it is clear this is plural, * to ease translation. Use @count in place of the item count, as in "@count * new comments". * @param args * An object of replacements pairs to make after translation. Incidences * of any key in this array are replaced with the corresponding value. * Based on the first character of the key, the value is escaped and/or themed: * - !variable: inserted as is * - @variable: escape plain text to HTML (Drupal.checkPlain) * - %variable: escape text and theme as a placeholder for user-submitted * content (checkPlain + Drupal.theme('placeholder')) * Note that you do not need to include @count in this array. * This replacement is done automatically for the plural case. * @return * A translated string. */ Drupal.formatPlural = function(count, singular, plural, args) { var args = args || {}; args['@count'] = count; // Determine the index of the plural form. var index = Drupal.locale.pluralFormula ? Drupal.locale.pluralFormula(args['@count']) : ((args['@count'] == 1) ? 0 : 1); if (index == 0) { return Drupal.t(singular, args); } else if (index == 1) { return Drupal.t(plural, args); } else { args['@count['+ index +']'] = args['@count']; delete args['@count']; return Drupal.t(plural.replace('@count', '@count['+ index +']')); } }; /** * Generate the themed representation of a Drupal object. * * All requests for themed output must go through this function. It examines * the request and routes it to the appropriate theme function. If the current * theme does not provide an override function, the generic theme function is * called. * * For example, to retrieve the HTML that is output by theme_placeholder(text), * call Drupal.theme('placeholder', text). * * @param func * The name of the theme function to call. * @param ... * Additional arguments to pass along to the theme function. * @return * Any data the theme function returns. This could be a plain HTML string, * but also a complex object. */ Drupal.theme = function(func) { for (var i = 1, args = []; i < arguments.length; i++) { args.push(arguments[i]); } return (Drupal.theme[func] || Drupal.theme.prototype[func]).apply(this, args); }; /** * Parse a JSON response. * * The result is either the JSON object, or an object with 'status' 0 and 'data' an error message. */ Drupal.parseJson = function (data) { if ((data.substring(0, 1) != '{') && (data.substring(0, 1) != '[')) { return { status: 0, data: data.length ? data : Drupal.t('Unspecified error') }; } return eval('(' + data + ');'); }; /** * Freeze the current body height (as minimum height). Used to prevent * unnecessary upwards scrolling when doing DOM manipulations. */ Drupal.freezeHeight = function () { Drupal.unfreezeHeight(); var div = document.createElement('div'); $(div).css({ position: 'absolute', top: '0px', left: '0px', width: '1px', height: $('body').css('height') }).attr('id', 'freeze-height'); $('body').append(div); }; /** * Unfreeze the body height */ Drupal.unfreezeHeight = function () { $('#freeze-height').remove(); }; /** * Wrapper around encodeURIComponent() which avoids Apache quirks (equivalent of * drupal_urlencode() in PHP). This function should only be used on paths, not * on query string arguments. */ Drupal.encodeURIComponent = function (item, uri) { uri = uri || location.href; item = encodeURIComponent(item).replace(/%2F/g, '/'); return (uri.indexOf('?q=') != -1) ? item : item.replace(/%26/g, '%2526').replace(/%23/g, '%2523').replace(/\/\//g, '/%252F'); }; /** * Get the text selection in a textarea. */ Drupal.getSelection = function (element) { if (typeof(element.selectionStart) != 'number' && document.selection) { // The current selection var range1 = document.selection.createRange(); var range2 = range1.duplicate(); // Select all text. range2.moveToElementText(element); // Now move 'dummy' end point to end point of original range. range2.setEndPoint('EndToEnd', range1); // Now we can calculate start and end points. var start = range2.text.length - range1.text.length; var end = start + range1.text.length; return { 'start': start, 'end': end }; } return { 'start': element.selectionStart, 'end': element.selectionEnd }; }; /** * Build an error message from ahah response. */ Drupal.ahahError = function(xmlhttp, uri) { if (xmlhttp.status == 200) { if (jQuery.trim($(xmlhttp.responseText).text())) { var message = Drupal.t("An error occurred. \n@uri\n@text", {'@uri': uri, '@text': xmlhttp.responseText }); } else { var message = Drupal.t("An error occurred. \n@uri\n(no information available).", {'@uri': uri, '@text': xmlhttp.responseText }); } } else { var message = Drupal.t("An HTTP error @status occurred. \n@uri", {'@uri': uri, '@status': xmlhttp.status }); } return message; } // Global Killswitch on the element if (Drupal.jsEnabled) { // Global Killswitch on the element $(document.documentElement).addClass('js'); // 'js enabled' cookie document.cookie = 'has_js=1; path=/'; // Attach all behaviors. $(document).ready(function() { Drupal.attachBehaviors(this); }); } /** * The default themes. */ Drupal.theme.prototype = { /** * Formats text for emphasized display in a placeholder inside a sentence. * * @param str * The text to format (plain-text). * @return * The formatted text (html). */ placeholder: function(str) { return '' + Drupal.checkPlain(str) + ''; } }; ;/*! * jQuery Corners 0.3 * Copyright (c) 2008 David Turnbull, Steven Wittens * Dual licensed under the MIT (MIT-LICENSE.txt) * and GPL (GPL-LICENSE.txt) licenses. */ jQuery.fn.corners = function(options) { var doneClass = 'rounded_by_jQuery_corners'; /* To prevent double rounding */ var settings = parseOptions(options); var webkitAvailable = false; try { webkitAvailable = (document.body.style.WebkitBorderRadius !== undefined); /* Google Chrome corners look awful */ var versionIndex = navigator.userAgent.indexOf('Chrome'); if (versionIndex >= 0) webkitAvailable = false; } catch(err) {} var mozillaAvailable = false; try { mozillaAvailable = (document.body.style.MozBorderRadius !== undefined); /* Firefox 2 corners look worse */ var versionIndex = navigator.userAgent.indexOf('Firefox'); if (versionIndex >= 0 && parseInt(navigator.userAgent.substring(versionIndex+8)) < 3) mozillaAvailable = false; } catch(err) {} return this.each(function(i,e){ $e = jQuery(e); if ($e.hasClass(doneClass)) return; $e.addClass(doneClass); var classScan = /{(.*)}/.exec(e.className); var s = classScan ? parseOptions(classScan[1], settings) : settings; var nodeName = e.nodeName.toLowerCase(); if (nodeName=='input') e = changeInput(e); if (webkitAvailable && s.webkit) roundWebkit(e, s); else if(mozillaAvailable && s.mozilla && (s.sizex == s.sizey)) roundMozilla(e, s); else { var bgColor = backgroundColor(e.parentNode); var fgColor = backgroundColor(e); switch (nodeName) { case 'a': case 'input': roundLink(e, s, bgColor, fgColor); break; default: roundDiv(e, s, bgColor, fgColor); break; } } }); function roundWebkit(e, s) { var radius = '' + s.sizex + 'px ' + s.sizey + 'px'; var $e = jQuery(e); if (s.tl) $e.css('WebkitBorderTopLeftRadius', radius); if (s.tr) $e.css('WebkitBorderTopRightRadius', radius); if (s.bl) $e.css('WebkitBorderBottomLeftRadius', radius); if (s.br) $e.css('WebkitBorderBottomRightRadius', radius); } function roundMozilla(e, s) { var radius = '' + s.sizex + 'px'; var $e = jQuery(e); if (s.tl) $e.css('-moz-border-radius-topleft', radius); if (s.tr) $e.css('-moz-border-radius-topright', radius); if (s.bl) $e.css('-moz-border-radius-bottomleft', radius); if (s.br) $e.css('-moz-border-radius-bottomright', radius); } function roundLink(e, s, bgColor, fgColor) { var table = tableElement("table"); var tbody = tableElement("tbody"); table.appendChild(tbody); var tr1 = tableElement("tr"); var td1 = tableElement("td", "top"); tr1.appendChild(td1); var tr2 = tableElement("tr"); var td2 = relocateContent(e, s, tableElement("td")); tr2.appendChild(td2); var tr3 = tableElement("tr"); var td3 = tableElement("td", "bottom"); tr3.appendChild(td3); if (s.tl||s.tr) { tbody.appendChild(tr1); addCorners(td1, s, bgColor, fgColor, true); } tbody.appendChild(tr2); if (s.bl||s.br) { tbody.appendChild(tr3); addCorners(td3, s, bgColor, fgColor, false); } e.appendChild(table); /* Clicking on $('a>table') in IE will trigger onclick but not the href */ if (jQuery.browser.msie) table.onclick = ieLinkBypass; /* Firefox 2 will render garbage unless we hide the overflow here */ e.style.overflow = 'hidden'; } function ieLinkBypass() { if (!this.parentNode.onclick) this.parentNode.click(); } function changeInput(e) { var a1 = document.createElement("a"); a1.id = e.id; a1.className = e.className; if (e.onclick) { a1.href = 'javascript:' a1.onclick = e.onclick; } else { jQuery(e).parent('form').each(function() {a1.href = this.action;}); a1.onclick = submitForm; } var a2 = document.createTextNode(e.value); a1.appendChild(a2); e.parentNode.replaceChild(a1, e); return a1; } function submitForm() { jQuery(this).parent('form').each(function() {this.submit()}); return false; } function roundDiv(e, s, bgColor, fgColor) { var div = relocateContent(e, s, document.createElement('div')); e.appendChild(div); if (s.tl||s.tr) addCorners(e, s, bgColor, fgColor, true); if (s.bl||s.br) addCorners(e, s, bgColor, fgColor, false); } function relocateContent(e, s, d) { var $e = jQuery(e); var c; while(c=e.firstChild) d.appendChild(c); if (e.style.height) { var h = parseInt($e.css('height')); d.style.height = h + 'px'; h += parseInt($e.css('padding-top')) + parseInt($e.css('padding-bottom')); e.style.height = h + 'px'; } if (e.style.width) { var w = parseInt($e.css('width')); d.style.width = w + 'px'; w += parseInt($e.css('padding-left')) + parseInt($e.css('padding-right')); e.style.width = w + 'px'; } d.style.paddingLeft = $e.css('padding-left'); d.style.paddingRight = $e.css('padding-right'); if (s.tl||s.tr) { d.style.paddingTop = adjustedPadding(e, s, $e.css('padding-top'), true); } else { d.style.paddingTop = $e.css('padding-top'); } if (s.bl||s.br) { d.style.paddingBottom = adjustedPadding(e, s, $e.css('padding-bottom'), false); } else { d.style.paddingBottom = $e.css('padding-bottom'); } e.style.padding = 0; return d; } function adjustedPadding(e, s, pad, top) { if (pad.indexOf("px") < 0) { try { //TODO Make this check work otherwise remove it console.error('%s padding not in pixels', (top ? 'top' : 'bottom'), e); } catch(err) {} pad = s.sizey + 'px'; } pad = parseInt(pad); if (pad - s.sizey < 0) { try { console.error('%s padding is %ipx for %ipx corner:', (top ? 'top' : 'bottom'), pad, s.sizey, e); } catch(err) {} pad = s.sizey; } return pad - s.sizey + 'px'; } function tableElement(kind, valign) { var e = document.createElement(kind) e.style.border = 'none'; e.style.borderCollapse = 'collapse'; e.style.borderSpacing = 0; e.style.padding = 0; e.style.margin = 0; if (valign) e.style.verticalAlign = valign; return e; } function backgroundColor(e) { try { var c = jQuery.css(e, "background-color"); if ( c.match(/^(transparent|rgba\(0,\s*0,\s*0,\s*0\))$/i) && e.parentNode ) return backgroundColor(e.parentNode); if (c==null) return "#ffffff"; if (c.indexOf("rgb") > -1) c = rgb2hex(c); if (c.length == 4) c = hexShort2hex(c); return c; } catch(err) { return "#ffffff"; } } function hexShort2hex(c) { return '#' + c.substring(1,2) + c.substring(1,2) + c.substring(2,3) + c.substring(2,3) + c.substring(3,4) + c.substring(3,4); } function rgb2hex(c) { var x = 255; var hex = ''; var i; var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/; var array=regexp.exec(c); for(i=1;i<4;i++) hex += ('0'+parseInt(array[i]).toString(16)).slice(-2); return '#'+hex; } function parseOptions(options, settings) { var options = options || ''; var s = {sizex:5, sizey:5, tl: false, tr: false, bl: false, br: false, webkit:true, mozilla: true, transparent:false}; if (settings) { s.sizex = settings.sizex; s.sizey = settings.sizey; s.webkit = settings.webkit; s.transparent = settings.transparent; s.mozilla = settings.mozilla; } var sizex_set = false; var corner_set = false; jQuery.each(options.split(' '), function(idx, option) { option = option.toLowerCase(); var i = parseInt(option); if (i > 0 && option == i + 'px') { s.sizey = i; if (!sizex_set) s.sizex = i; sizex_set = true; } else switch (option) { case 'no-native': s.webkit = s.mozilla = false; break; case 'webkit': s.webkit = true; break; case 'no-webkit': s.webkit = false; break; case 'mozilla': s.mozilla = true; break; case 'no-mozilla': s.mozilla = false; break; case 'anti-alias': s.transparent = false; break; case 'transparent': s.transparent = true; break; case 'top': corner_set = s.tl = s.tr = true; break; case 'right': corner_set = s.tr = s.br = true; break; case 'bottom': corner_set = s.bl = s.br = true; break; case 'left': corner_set = s.tl = s.bl = true; break; case 'top-left': corner_set = s.tl = true; break; case 'top-right': corner_set = s.tr = true; break; case 'bottom-left': corner_set = s.bl = true; break; case 'bottom-right': corner_set = s.br = true; break; } }); if (!corner_set) { if (!settings) { s.tl = s.tr = s.bl = s.br = true; } else { s.tl = settings.tl; s.tr = settings.tr; s.bl = settings.bl; s.br = settings.br; } } return s; } function alphaBlend(a, b, alpha) { var ca = Array( parseInt('0x' + a.substring(1, 3)), parseInt('0x' + a.substring(3, 5)), parseInt('0x' + a.substring(5, 7)) ); var cb = Array( parseInt('0x' + b.substring(1, 3)), parseInt('0x' + b.substring(3, 5)), parseInt('0x' + b.substring(5, 7)) ); r = '0' + Math.round(ca[0] + (cb[0] - ca[0])*alpha).toString(16); g = '0' + Math.round(ca[1] + (cb[1] - ca[1])*alpha).toString(16); b = '0' + Math.round(ca[2] + (cb[2] - ca[2])*alpha).toString(16); return '#' + r.substring(r.length - 2) + g.substring(g.length - 2) + b.substring(b.length - 2); } function addCorners(e, s, bgColor, fgColor, top) { if (s.transparent) addTransparentCorners(e, s, bgColor, top); else addAntiAliasedCorners(e, s, bgColor, fgColor, top); } function addAntiAliasedCorners(e, s, bgColor, fgColor, top) { var i, j; var d = document.createElement("div"); d.style.fontSize = '1px'; d.style.backgroundColor = bgColor; var lastarc = 0; for (i = 1; i <= s.sizey; i++) { var coverage, arc2, arc3; // Find intersection of arc with bottom of pixel row arc = Math.sqrt(1.0 - Math.pow(1.0 - i / s.sizey, 2)) * s.sizex; // Calculate how many pixels are bg, fg and blended. var n_bg = s.sizex - Math.ceil(arc); var n_fg = Math.floor(lastarc); var n_aa = s.sizex - n_bg - n_fg; // Create pixel row wrapper var x = document.createElement("div"); var y = d; x.style.margin = "0px " + n_bg + "px"; x.style.height = '1px'; x.style.overflow = 'hidden'; // Create the pixel divs for a row (at least one) for (j = 1; j <= n_aa; j++) { // Calculate coverage per pixel (approximates arc within the pixel) if (j == 1) { if (j == n_aa) { // Single pixel coverage = ((arc + lastarc) * .5) - n_fg; } else { // First in a run arc2 = Math.sqrt(1.0 - Math.pow(1.0 - (n_bg + 1) / s.sizex, 2)) * s.sizey; coverage = (arc2 - (s.sizey - i)) * (arc - n_fg - n_aa + 1) * .5; } } else if (j == n_aa) { // Last in a run arc2 = Math.sqrt(1.0 - Math.pow((s.sizex - n_bg - j + 1) / s.sizex, 2)) * s.sizey; coverage = 1.0 - (1.0 - (arc2 - (s.sizey - i))) * (1.0 - (lastarc - n_fg)) * .5; } else { // Middle of a run arc3 = Math.sqrt(1.0 - Math.pow((s.sizex - n_bg - j) / s.sizex, 2)) * s.sizey; arc2 = Math.sqrt(1.0 - Math.pow((s.sizex - n_bg - j + 1) / s.sizex, 2)) * s.sizey; coverage = ((arc2 + arc3) * .5) - (s.sizey - i); } addCornerDiv(s, x, y, top, alphaBlend(bgColor, fgColor, coverage)); y = x; var x = y.cloneNode(false); x.style.margin = "0px 1px"; } addCornerDiv(s, x, y, top, fgColor); lastarc = arc; } if (top) e.insertBefore(d, e.firstChild); else e.appendChild(d); } function addCornerDiv(s, x, y, top, color) { if (top && !s.tl) x.style.marginLeft = 0; if (top && !s.tr) x.style.marginRight = 0; if (!top && !s.bl) x.style.marginLeft = 0; if (!top && !s.br) x.style.marginRight = 0; x.style.backgroundColor = color; if (top) y.appendChild(x); else y.insertBefore(x, y.firstChild); } function addTransparentCorners(e, s, bgColor, top) { var d = document.createElement("div"); d.style.fontSize = '1px'; var strip = document.createElement('div'); strip.style.overflow = 'hidden'; strip.style.height = '1px'; strip.style.borderColor = bgColor; strip.style.borderStyle = 'none solid'; var sizex = s.sizex-1; var sizey = s.sizey-1; if (!sizey) sizey = 1; /* hint for 1x1 */ for (var i=0; i < s.sizey; i++) { var w = sizex - Math.floor(Math.sqrt(1.0 - Math.pow(1.0 - i / sizey, 2)) * sizex); if (i==2 && s.sizex==6 && s.sizey==6) w = 2; /* hint for 6x6 */ var x = strip.cloneNode(false); x.style.borderWidth = '0 '+ w +'px'; if (top) x.style.borderWidth = '0 '+(s.tr?w:0)+'px 0 '+(s.tl?w:0)+'px'; else x.style.borderWidth = '0 '+(s.br?w:0)+'px 0 '+(s.bl?w:0)+'px'; top ? d.appendChild(x) : d.insertBefore(x, d.firstChild); } if (top) e.insertBefore(d, e.firstChild); else e.appendChild(d); } } ;/** * Tabs - jQuery plugin for accessible, unobtrusive tabs * @requires jQuery v1.1.1 * * http://stilbuero.de/tabs/ * * Copyright (c) 2006 Klaus Hartl (stilbuero.de) * Dual licensed under the MIT and GPL licenses: * http://www.opensource.org/licenses/mit-license.php * http://www.gnu.org/licenses/gpl.html * * Version: 2.7.4 */ (function($) { // block scope $.extend({ tabs: { remoteCount: 0 // TODO in Tabs 3 this is going to be more cleanly in one single namespace } }); /** * Create an accessible, unobtrusive tab interface based on a particular HTML structure. * * The underlying HTML has to look like this: * *
* *
* *
*
* *
*
* *
*
* * Each anchor in the unordered list points directly to a section below represented by one of the * divs (the URI in the anchor's href attribute refers to the fragment with the corresponding id). * Because such HTML structure is fully functional on its own, e.g. without JavaScript, the tab * interface is accessible and unobtrusive. * * A tab is also bookmarkable via hash in the URL. Use the History/Remote plugin (Tabs will * auto-detect its presence) to fix the back (and forward) button. * * @example $('#container').tabs(); * @desc Create a basic tab interface. * @example $('#container').tabs(2); * @desc Create a basic tab interface with the second tab initially activated. * @example $('#container').tabs({disabled: [3, 4]}); * @desc Create a tab interface with the third and fourth tab being disabled. * @example $('#container').tabs({fxSlide: true}); * @desc Create a tab interface that uses slide down/up animations for showing/hiding tab * content upon tab switching. * * @param Number initial An integer specifying the position of the tab (no zero-based index) that * gets activated at first (on page load). Two alternative ways to specify * the active tab will overrule this argument. First a li element * (representing one single tab) belonging to the selected tab class, e.g. * set the selected tab class (default: "tabs-selected", see option * selectedClass) for one of the unordered li elements in the HTML source. * In addition if a fragment identifier/hash in the URL of the page refers * to the id of a tab container of a tab interface the corresponding tab will * be activated and both the initial argument as well as an eventually * declared class attribute will be overruled. Defaults to 1 if omitted. * @param Object settings An object literal containing key/value pairs to provide optional settings. * @option Array disabled An array containing the position of the tabs (no zero-based index) * that should be disabled on initialization. Default value: null. * A tab can also be disabled by simply adding the disabling class * (default: "tabs-disabled", see option disabledClass) to the li * element representing that particular tab. * @option Boolean bookmarkable Boolean flag indicating if support for bookmarking and history (via * changing hash in the URL of the browser) is enabled. Default value: * false, unless the History/Remote plugin is included. In that case the * default value becomes true. @see $.ajaxHistory.initialize * @option Boolean remote Boolean flag indicating that tab content has to be loaded remotely from * the url given in the href attribute of the tab menu anchor elements. * @option String spinner The content of this string is shown in a tab while remote content is loading. * Insert plain text as well as an img here. To turn off this notification * pass an empty string or null. Default: "Loading…". * @option String hashPrefix A String that is used for constructing the hash the link's href attribute * of a remote tab gets altered to, such as "#remote-1". * Default value: "remote-tab-". * @option Boolean fxFade Boolean flag indicating whether fade in/out animations are used for tab * switching. Can be combined with fxSlide. Will overrule fxShow/fxHide. * Default value: false. * @option Boolean fxSlide Boolean flag indicating whether slide down/up animations are used for tab * switching. Can be combined with fxFade. Will overrule fxShow/fxHide. * Default value: false. * @option String|Number fxSpeed A string representing one of the three predefined speeds ("slow", * "normal", or "fast") or the number of milliseconds (e.g. 1000) to * run an animation. Default value: "normal". * @option Object fxShow An object literal of the form jQuery's animate function expects for making * your own, custom animation to reveal a tab upon tab switch. Unlike fxFade * or fxSlide this animation is independent from an optional hide animation. * Default value: null. @see animate * @option Object fxHide An object literal of the form jQuery's animate function expects for making * your own, custom animation to hide a tab upon tab switch. Unlike fxFade * or fxSlide this animation is independent from an optional show animation. * Default value: null. @see animate * @option String|Number fxShowSpeed A string representing one of the three predefined speeds * ("slow", "normal", or "fast") or the number of milliseconds * (e.g. 1000) to run the animation specified in fxShow. * Default value: fxSpeed. * @option String|Number fxHideSpeed A string representing one of the three predefined speeds * ("slow", "normal", or "fast") or the number of milliseconds * (e.g. 1000) to run the animation specified in fxHide. * Default value: fxSpeed. * @option Boolean fxAutoHeight Boolean flag that if set to true causes all tab heights * to be constant (being the height of the tallest tab). * Default value: false. * @option Function onClick A function to be invoked upon tab switch, immediatly after a tab has * been clicked, e.g. before the other's tab content gets hidden. The * function gets passed three arguments: the first one is the clicked * tab (e.g. an anchor element), the second one is the DOM element * containing the content of the clicked tab (e.g. the div), the third * argument is the one of the tab that gets hidden. If this callback * returns false, the tab switch is canceled (use to disallow tab * switching for the reason of a failed form validation for example). * Default value: null. * @option Function onHide A function to be invoked upon tab switch, immediatly after one tab's * content got hidden (with or without an animation) and right before the * next tab is revealed. The function gets passed three arguments: the * first one is the clicked tab (e.g. an anchor element), the second one * is the DOM element containing the content of the clicked tab, (e.g. the * div), the third argument is the one of the tab that gets hidden. * Default value: null. * @option Function onShow A function to be invoked upon tab switch. This function is invoked * after the new tab has been revealed, e.g. after the switch is completed. * The function gets passed three arguments: the first one is the clicked * tab (e.g. an anchor element), the second one is the DOM element * containing the content of the clicked tab, (e.g. the div), the third * argument is the one of the tab that gets hidden. Default value: null. * @option String navClass A CSS class that is used to identify the tabs unordered list by class if * the required HTML structure differs from the default one. * Default value: "tabs-nav". * @option String selectedClass The CSS class attached to the li element representing the * currently selected (active) tab. Default value: "tabs-selected". * @option String disabledClass The CSS class attached to the li element representing a disabled * tab. Default value: "tabs-disabled". * @option String containerClass A CSS class that is used to identify tab containers by class if * the required HTML structure differs from the default one. * Default value: "tabs-container". * @option String hideClass The CSS class used for hiding inactive tabs. A class is used instead * of "display: none" in the style attribute to maintain control over * visibility in other media types than screen, most notably print. * Default value: "tabs-hide". * @option String loadingClass The CSS class used for indicating that an Ajax tab is currently * loading, for example by showing a spinner. * Default value: "tabs-loading". * @option String tabStruct @deprecated A CSS selector or basic XPath expression reflecting a * nested HTML structure that is different from the default single div * structure (one div with an id inside the overall container holds one * tab's content). If for instance an additional div is required to wrap * up the several tab containers such a structure is expressed by "div>div". * Default value: "div". * @type jQuery * * @name tabs * @cat Plugins/Tabs * @author Klaus Hartl/klaus.hartl@stilbuero.de */ $.fn.tabs = function(initial, settings) { // settings if (typeof initial == 'object') settings = initial; // no initial tab given but a settings object settings = $.extend({ initial: (initial && typeof initial == 'number' && initial > 0) ? --initial : 0, disabled: null, bookmarkable: $.ajaxHistory ? true : false, remote: false, spinner: 'Loading…', hashPrefix: 'remote-tab-', fxFade: null, fxSlide: null, fxShow: null, fxHide: null, fxSpeed: 'normal', fxShowSpeed: null, fxHideSpeed: null, fxAutoHeight: false, onClick: null, onHide: null, onShow: null, navClass: 'tabs-nav', selectedClass: 'tabs-selected', disabledClass: 'tabs-disabled', containerClass: 'tabs-container', hideClass: 'tabs-hide', loadingClass: 'tabs-loading', tabStruct: 'div' }, settings || {}); $.browser.msie6 = $.browser.msie && ($.browser.version && $.browser.version < 7 || /MSIE 6.0/.test(navigator.userAgent)); // do not check for 6.0 alone, userAgent in Windows Vista has "Windows NT 6.0" // helper to prevent scroll to fragment function unFocus() { scrollTo(0, 0); } // initialize tabs return this.each(function() { // remember wrapper for later var container = this; // setup nav var nav = $('ul.' + settings.navClass, container); nav = nav.size() && nav || $('>ul:eq(0)', container); // fallback to default structure var tabs = $('a', nav); // prepare remote tabs if (settings.remote) { tabs.each(function() { var id = settings.hashPrefix + (++$.tabs.remoteCount), hash = '#' + id, url = this.href; this.href = hash; $('
').appendTo(container); $(this).bind('loadRemoteTab', function(e, callback) { var $$ = $(this).addClass(settings.loadingClass), span = $('span', this)[0], tabTitle = span.innerHTML; if (settings.spinner) { // TODO if spinner is image span.innerHTML = '' + settings.spinner + ''; // WARNING: html(...) crashes Safari with jQuery 1.1.2 } setTimeout(function() { // Timeout is again required in IE, "wait" for id being restored $(hash).load(url, function() { if (settings.spinner) { span.innerHTML = tabTitle; // WARNING: html(...) crashes Safari with jQuery 1.1.2 } $$.removeClass(settings.loadingClass); callback && callback(); }); }, 0); }); }); } // set up containers var containers = $('div.' + settings.containerClass, container); containers = containers.size() && containers || $('>' + settings.tabStruct, container); // fallback to default structure // attach classes for styling if not present nav.is('.' + settings.navClass) || nav.addClass(settings.navClass); containers.each(function() { var $$ = $(this); $$.is('.' + settings.containerClass) || $$.addClass(settings.containerClass); }); // try to retrieve active tab from class in HTML var hasSelectedClass = $('li', nav).index( $('li.' + settings.selectedClass, nav)[0] ); if (hasSelectedClass >= 0) { settings.initial = hasSelectedClass; } // try to retrieve active tab from hash in url, will override class in HTML if (location.hash) { tabs.each(function(i) { if (this.hash == location.hash) { settings.initial = i; // prevent page scroll to fragment if (($.browser.msie || $.browser.opera) && !settings.remote) { var toShow = $(location.hash); var toShowId = toShow.attr('id'); toShow.attr('id', ''); setTimeout(function() { toShow.attr('id', toShowId); // restore id }, 500); } unFocus(); return false; // break } }); } if ($.browser.msie) { unFocus(); // fix IE focussing bottom of the page for some unknown reason } // highlight tab accordingly containers.filter(':eq(' + settings.initial + ')').show().end().not(':eq(' + settings.initial + ')').addClass(settings.hideClass); $('li', nav).removeClass(settings.selectedClass).eq(settings.initial).addClass(settings.selectedClass); // we need to remove classes eventually if hash takes precedence over class // trigger load of initial tab tabs.eq(settings.initial).trigger('loadRemoteTab').end(); // setup auto height if (settings.fxAutoHeight) { // helper var _setAutoHeight = function(reset) { // get tab heights in top to bottom ordered array var heights = $.map(containers.get(), function(el) { var h, jq = $(el); if (reset) { if ($.browser.msie6) { el.style.removeExpression('behaviour'); el.style.height = ''; el.minHeight = null; } h = jq.css({'min-height': ''}).height(); // use jQuery's height() to get hidden element values } else { h = jq.height(); // use jQuery's height() to get hidden element values } return h; }).sort(function(a, b) { return b - a; }); if ($.browser.msie6) { containers.each(function() { this.minHeight = heights[0] + 'px'; this.style.setExpression('behaviour', 'this.style.height = this.minHeight ? this.minHeight : "1px"'); // using an expression to not make print styles useless }); } else { containers.css({'min-height': heights[0] + 'px'}); } }; // call once for initialization _setAutoHeight(); // trigger auto height adjustment if needed var cachedWidth = container.offsetWidth; var cachedHeight = container.offsetHeight; var watchFontSize = $('#tabs-watch-font-size').get(0) || $('M').css({display: 'block', position: 'absolute', visibility: 'hidden'}).appendTo(document.body).get(0); var cachedFontSize = watchFontSize.offsetHeight; setInterval(function() { var currentWidth = container.offsetWidth; var currentHeight = container.offsetHeight; var currentFontSize = watchFontSize.offsetHeight; if (currentHeight > cachedHeight || currentWidth != cachedWidth || currentFontSize != cachedFontSize) { _setAutoHeight((currentWidth > cachedWidth || currentFontSize < cachedFontSize)); // if heights gets smaller reset min-height cachedWidth = currentWidth; cachedHeight = currentHeight; cachedFontSize = currentFontSize; } }, 50); } // setup animations var showAnim = {}, hideAnim = {}, showSpeed = settings.fxShowSpeed || settings.fxSpeed, hideSpeed = settings.fxHideSpeed || settings.fxSpeed; if (settings.fxSlide || settings.fxFade) { if (settings.fxSlide) { showAnim['height'] = 'show'; hideAnim['height'] = 'hide'; } if (settings.fxFade) { showAnim['opacity'] = 'show'; hideAnim['opacity'] = 'hide'; } } else { if (settings.fxShow) { showAnim = settings.fxShow; } else { // use some kind of animation to prevent browser scrolling to the tab showAnim['min-width'] = 0; // avoid opacity, causes flicker in Firefox showSpeed = 1; // as little as 1 is sufficient } if (settings.fxHide) { hideAnim = settings.fxHide; } else { // use some kind of animation to prevent browser scrolling to the tab hideAnim['min-width'] = 0; // avoid opacity, causes flicker in Firefox hideSpeed = 1; // as little as 1 is sufficient } } // callbacks var onClick = settings.onClick, onHide = settings.onHide, onShow = settings.onShow; // attach activateTab event, required for activating a tab programmatically tabs.bind('triggerTab', function() { // if the tab is already selected or disabled or animation is still running stop here var li = $(this).parents('li:eq(0)'); if (container.locked || li.is('.' + settings.selectedClass) || li.is('.' + settings.disabledClass)) { return false; } var hash = this.hash; if ($.browser.msie) { $(this).trigger('click'); if (settings.bookmarkable) { $.ajaxHistory.update(hash); location.hash = hash.replace('#', ''); } } else if ($.browser.safari) { // Simply setting location.hash puts Safari into the eternal load state... ugh! Submit a form instead. var tempForm = $('
').get(0); // no need to append it to the body tempForm.submit(); // does not trigger the form's submit event... $(this).trigger('click'); // ...thus do stuff here if (settings.bookmarkable) { $.ajaxHistory.update(hash); } } else { if (settings.bookmarkable) { location.hash = hash.replace('#', ''); } else { $(this).trigger('click'); } } }); // attach disable event, required for disabling a tab tabs.bind('disableTab', function() { var li = $(this).parents('li:eq(0)'); if ($.browser.safari) { /* fix opacity of tab after disabling in Safari... */ li.animate({ opacity: 0 }, 1, function() { li.css({opacity: ''}); }); } li.addClass(settings.disabledClass); }); // disabled from settings if (settings.disabled && settings.disabled.length) { for (var i = 0, k = settings.disabled.length; i < k; i++) { tabs.eq(--settings.disabled[i]).trigger('disableTab').end(); } }; // attach enable event, required for reenabling a tab tabs.bind('enableTab', function() { var li = $(this).parents('li:eq(0)'); li.removeClass(settings.disabledClass); if ($.browser.safari) { /* fix disappearing tab after enabling in Safari... */ li.animate({ opacity: 1 }, 1, function() { li.css({opacity: ''}); }); } }); // attach click event tabs.bind('click', function(e) { var trueClick = e.clientX; // add to history only if true click occured, not a triggered click var clicked = this, li = $(this).parents('li:eq(0)'), toShow = $(this.hash), toHide = containers.filter(':visible'); // if animation is still running, tab is selected or disabled or onClick callback returns false stop here // check if onClick returns false last so that it is not executed for a disabled tab if (container['locked'] || li.is('.' + settings.selectedClass) || li.is('.' + settings.disabledClass) || typeof onClick == 'function' && onClick(this, toShow[0], toHide[0]) === false) { this.blur(); return false; } container['locked'] = true; // show new tab if (toShow.size()) { // prevent scrollbar scrolling to 0 and than back in IE7, happens only if bookmarking/history is enabled if ($.browser.msie && settings.bookmarkable) { var toShowId = this.hash.replace('#', ''); toShow.attr('id', ''); setTimeout(function() { toShow.attr('id', toShowId); // restore id }, 0); } var resetCSS = { display: '', overflow: '', height: '' }; if (!$.browser.msie) { // not in IE to prevent ClearType font issue resetCSS['opacity'] = ''; } // switch tab, animation prevents browser scrolling to the fragment function switchTab() { if (settings.bookmarkable && trueClick) { // add to history only if true click occured, not a triggered click $.ajaxHistory.update(clicked.hash); } toHide.animate(hideAnim, hideSpeed, function() { // $(clicked).parents('li:eq(0)').addClass(settings.selectedClass).siblings().removeClass(settings.selectedClass); toHide.addClass(settings.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc. if (typeof onHide == 'function') { onHide(clicked, toShow[0], toHide[0]); } if (!(settings.fxSlide || settings.fxFade || settings.fxShow)) { toShow.css('display', 'block'); // prevent occasionally occuring flicker in Firefox cause by gap between showing and hiding the tab containers } toShow.animate(showAnim, showSpeed, function() { toShow.removeClass(settings.hideClass).css(resetCSS); // maintain flexible height and accessibility in print etc. if ($.browser.msie) { toHide[0].style.filter = ''; toShow[0].style.filter = ''; } if (typeof onShow == 'function') { onShow(clicked, toShow[0], toHide[0]); } container['locked'] = null; }); }); } if (!settings.remote) { switchTab(); } else { $(clicked).trigger('loadRemoteTab', [switchTab]); } } else { alert('There is no such container.'); } // Set scrollbar to saved position - need to use timeout with 0 to prevent browser scroll to target of hash var scrollX = window.pageXOffset || document.documentElement && document.documentElement.scrollLeft || document.body.scrollLeft || 0; var scrollY = window.pageYOffset || document.documentElement && document.documentElement.scrollTop || document.body.scrollTop || 0; setTimeout(function() { window.scrollTo(scrollX, scrollY); }, 0); this.blur(); // prevent IE from keeping other link focussed when using the back button return settings.bookmarkable && !!trueClick; // convert undefined to Boolean for IE }); // enable history support if bookmarking and history is turned on if (settings.bookmarkable) { $.ajaxHistory.initialize(function() { tabs.eq(settings.initial).trigger('click').end(); }); } }); }; /** * Activate a tab programmatically with the given position (no zero-based index) * or its id, e.g. the URL's fragment identifier/hash representing a tab, as if the tab * itself were clicked. * * @example $('#container').triggerTab(2); * @desc Activate the second tab of the tab interface contained in
. * @example $('#container').triggerTab(1); * @desc Activate the first tab of the tab interface contained in
. * @example $('#container').triggerTab(); * @desc Activate the first tab of the tab interface contained in
. * @example $('#container').triggerTab('fragment-2'); * @desc Activate a tab via its URL fragment identifier representation. * * @param String|Number tab Either a string that matches the id of the tab (the URL's * fragment identifier/hash representing a tab) or an integer * specifying the position of the tab (no zero-based index) to * be activated. If this parameter is omitted, the first tab * will be activated. * @type jQuery * * @name triggerTab * @cat Plugins/Tabs * @author Klaus Hartl/klaus.hartl@stilbuero.de */ /** * Disable a tab, so that clicking it has no effect. * * @example $('#container').disableTab(2); * @desc Disable the second tab of the tab interface contained in
. * * @param String|Number tab Either a string that matches the id of the tab (the URL's * fragment identifier/hash representing a tab) or an integer * specifying the position of the tab (no zero-based index) to * be disabled. If this parameter is omitted, the first tab * will be disabled. * @type jQuery * * @name disableTab * @cat Plugins/Tabs * @author Klaus Hartl/klaus.hartl@stilbuero.de */ /** * Enable a tab that has been disabled. * * @example $('#container').enableTab(2); * @desc Enable the second tab of the tab interface contained in
. * * @param String|Number tab Either a string that matches the id of the tab (the URL's * fragment identifier/hash representing a tab) or an integer * specifying the position of the tab (no zero-based index) to * be enabled. If this parameter is omitted, the first tab * will be enabled. * @type jQuery * * @name enableTab * @cat Plugins/Tabs * @author Klaus Hartl/klaus.hartl@stilbuero.de */ var tabEvents = ['triggerTab', 'disableTab', 'enableTab']; for (var i = 0; i < tabEvents.length; i++) { $.fn[tabEvents[i]] = (function(tabEvent) { return function(tab) { return this.each(function() { var nav = $('ul.tabs-nav' , this); nav = nav.size() && nav || $('>ul:eq(0)', this); // fallback to default structure var a; if (!tab || typeof tab == 'number') { a = $('li a', nav).eq((tab && tab > 0 && tab - 1 || 0)); // fall back to 0 } else if (typeof tab == 'string') { a = $('li a[@href$="#' + tab + '"]', nav); } a.trigger(tabEvent); }); }; })(tabEvents[i]); } /** * Get the position of the currently selected tab (no zero-based index). * * @example $('#container').activeTab(); * @desc Get the position of the currently selected tab of an interface * contained in
. * * @type Number * * @name activeTab * @cat Plugins/Tabs * @author Klaus Hartl/klaus.hartl@stilbuero.de */ $.fn.activeTab = function() { var selectedTabs = []; this.each(function() { var nav = $('ul.tabs-nav' , this); nav = nav.size() && nav || $('>ul:eq(0)', this); //fallback to default structure var lis = $('li', nav); selectedTabs.push(lis.index( lis.filter('.tabs-selected')[0] ) + 1); }); return selectedTabs[0]; }; })(jQuery);;