/
tabs.js
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/
tabs.js
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/**
* @license
* jQuery Tools @VERSION Tabs- The basics of UI design.
*
* NO COPYRIGHTS OR LICENSES. DO WHAT YOU LIKE.
*
* http://flowplayer.org/tools/tabs/
*
* Since: November 2008
* Date: @DATE
*/
(function($) {
// static constructs
$.tools = $.tools || {version: '@VERSION'};
$.tools.tabs = {
conf: {
tabs: 'a',
current: 'current',
onBeforeClick: null,
onClick: null,
effect: 'default',
initialEffect: false, // whether or not to show effect in first init of tabs
initialIndex: 0,
event: 'click',
rotate: false,
// slide effect
slideUpSpeed: 400,
slideDownSpeed: 400,
// 1.2
history: false
},
addEffect: function(name, fn) {
effects[name] = fn;
}
};
var effects = {
// simple "toggle" effect
'default': function(i, done) {
this.getPanes().hide().eq(i).show();
done.call();
},
/*
configuration:
- fadeOutSpeed (positive value does "crossfading")
- fadeInSpeed
*/
fade: function(i, done) {
var conf = this.getConf(),
speed = conf.fadeOutSpeed,
panes = this.getPanes();
if (speed) {
panes.fadeOut(speed);
} else {
panes.hide();
}
panes.eq(i).fadeIn(conf.fadeInSpeed, done);
},
// for basic accordions
slide: function(i, done) {
var conf = this.getConf();
this.getPanes().slideUp(conf.slideUpSpeed);
this.getPanes().eq(i).slideDown(conf.slideDownSpeed, done);
},
/**
* AJAX effect
*/
ajax: function(i, done) {
this.getPanes().eq(0).load(this.getTabs().eq(i).attr("href"), done);
}
};
/**
* Horizontal accordion
*
* @deprecated will be replaced with a more robust implementation
*/
var
/**
* @type {Boolean}
*
* Mutex to control horizontal animation
* Disables clicking of tabs while animating
* They mess up otherwise as currentPane gets set *after* animation is done
*/
animating,
/**
* @type {Number}
*
* Initial width of tab panes
*/
w;
$.tools.tabs.addEffect("horizontal", function(i, done) {
if (animating) return; // don't allow other animations
var nextPane = this.getPanes().eq(i),
currentPane = this.getCurrentPane();
// store original width of a pane into memory
w || ( w = this.getPanes().eq(0).width() );
animating = true;
nextPane.show(); // hidden by default
// animate current pane's width to zero
// animate next pane's width at the same time for smooth animation
currentPane.animate({width: 0}, {
step: function(now){
nextPane.css("width", w-now);
},
complete: function(){
$(this).hide();
done.call();
animating = false;
}
});
// Dirty hack... onLoad, currentPant will be empty and nextPane will be the first pane
// If this is the case, manually run callback since the animation never occured, and reset animating
if (!currentPane.length){
done.call();
animating = false;
}
});
function Tabs(root, paneSelector, conf) {
var self = this,
trigger = root.add(this),
tabs = root.find(conf.tabs),
panes = paneSelector.jquery ? paneSelector : root.children(paneSelector),
current;
// make sure tabs and panes are found
if (!tabs.length) { tabs = root.children(); }
if (!panes.length) { panes = root.parent().find(paneSelector); }
if (!panes.length) { panes = $(paneSelector); }
// public methods
$.extend(this, {
click: function(i, e) {
var tab = tabs.eq(i),
firstRender = !root.data('tabs');
if (typeof i == 'string' && i.replace("#", "")) {
tab = tabs.filter("[href*=\"" + i.replace("#", "") + "\"]");
i = Math.max(tabs.index(tab), 0);
}
if (conf.rotate) {
var last = tabs.length -1;
if (i < 0) { return self.click(last, e); }
if (i > last) { return self.click(0, e); }
}
if (!tab.length) {
if (current >= 0) { return self; }
i = conf.initialIndex;
tab = tabs.eq(i);
}
// current tab is being clicked
if (i === current) { return self; }
// possibility to cancel click action
e = e || $.Event();
e.type = "onBeforeClick";
trigger.trigger(e, [i]);
if (e.isDefaultPrevented()) { return; }
// if firstRender, only run effect if initialEffect is set, otherwise default
var effect = firstRender ? conf.initialEffect && conf.effect || 'default' : conf.effect;
// call the effect
effects[effect].call(self, i, function() {
current = i;
// onClick callback
e.type = "onClick";
trigger.trigger(e, [i]);
});
// default behaviour
tabs.removeClass(conf.current);
tab.addClass(conf.current);
return self;
},
getConf: function() {
return conf;
},
getTabs: function() {
return tabs;
},
getPanes: function() {
return panes;
},
getCurrentPane: function() {
return panes.eq(current);
},
getCurrentTab: function() {
return tabs.eq(current);
},
getIndex: function() {
return current;
},
next: function() {
return self.click(current + 1);
},
prev: function() {
return self.click(current - 1);
},
destroy: function() {
tabs.off(conf.event).removeClass(conf.current);
panes.find("a[href^=\"#\"]").off("click.T");
return self;
}
});
// callbacks
$.each("onBeforeClick,onClick".split(","), function(i, name) {
// configuration
if ($.isFunction(conf[name])) {
$(self).on(name, conf[name]);
}
// API
self[name] = function(fn) {
if (fn) { $(self).on(name, fn); }
return self;
};
});
if (conf.history && $.fn.history) {
$.tools.history.init(tabs);
conf.event = 'history';
}
// setup click actions for each tab
tabs.each(function(i) {
$(this).on(conf.event, function(e) {
self.click(i, e);
return e.preventDefault();
});
});
// cross tab anchor link
panes.find("a[href^=\"#\"]").on("click.T", function(e) {
self.click($(this).attr("href"), e);
});
// open initial tab
if (location.hash && conf.tabs == "a" && root.find("[href=\"" +location.hash+ "\"]").length) {
self.click(location.hash);
} else {
if (conf.initialIndex === 0 || conf.initialIndex > 0) {
self.click(conf.initialIndex);
}
}
}
// jQuery plugin implementation
$.fn.tabs = function(paneSelector, conf) {
// return existing instance
var el = this.data("tabs");
if (el) {
el.destroy();
this.removeData("tabs");
}
if ($.isFunction(conf)) {
conf = {onBeforeClick: conf};
}
// setup conf
conf = $.extend({}, $.tools.tabs.conf, conf);
this.each(function() {
el = new Tabs($(this), paneSelector, conf);
$(this).data("tabs", el);
});
return conf.api ? el: this;
};
}) (jQuery);