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password-manager-mirror/frontend/gamma/js/Zepto/data.js
Clipperz 644891059e Added JQTouch and Zepto libraries
JQTouch and Zepto are tentatively used for the mobile version of Clipperz.
No final commitment has been made, though.
2013-01-09 10:03:53 +01:00

68 lines
2.1 KiB
JavaScript

// Zepto.js
// (c) 2010-2012 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.
// The following code is heavily inspired by jQuery's $.fn.data()
;(function($) {
var data = {}, dataAttr = $.fn.data, camelize = $.camelCase,
exp = $.expando = 'Zepto' + (+new Date())
// Get value from node:
// 1. first try key as given,
// 2. then try camelized key,
// 3. fall back to reading "data-*" attribute.
function getData(node, name) {
var id = node[exp], store = id && data[id]
if (name === undefined) return store || setData(node)
else {
if (store) {
if (name in store) return store[name]
var camelName = camelize(name)
if (camelName in store) return store[camelName]
}
return dataAttr.call($(node), name)
}
}
// Store value under camelized key on node
function setData(node, name, value) {
var id = node[exp] || (node[exp] = ++$.uuid),
store = data[id] || (data[id] = attributeData(node))
if (name !== undefined) store[camelize(name)] = value
return store
}
// Read all "data-*" attributes from a node
function attributeData(node) {
var store = {}
$.each(node.attributes, function(i, attr){
if (attr.name.indexOf('data-') == 0)
store[camelize(attr.name.replace('data-', ''))] =
$.zepto.deserializeValue(attr.value)
})
return store
}
$.fn.data = function(name, value) {
return value === undefined ?
// set multiple values via object
$.isPlainObject(name) ?
this.each(function(i, node){
$.each(name, function(key, value){ setData(node, key, value) })
}) :
// get value from first element
this.length == 0 ? undefined : getData(this[0], name) :
// set value on all elements
this.each(function(){ setData(this, name, value) })
}
$.fn.removeData = function(names) {
if (typeof names == 'string') names = names.split(/\s+/)
return this.each(function(){
var id = this[exp], store = id && data[id]
if (store) $.each(names, function(){ delete store[camelize(this)] })
})
}
})(Zepto)