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@@ -1,216 +0,0 @@
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-/*
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- jQuery placeholder plugin
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- by Andrey Kuzmin, @unsoundscapes
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-
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- Based on existing plugin http://mths.be/placeholder by @mathias
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- and this demo http://robertnyman.com/2011/05/02/ by @robertnyman
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-
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- Adopted to toggle placeholder on user input instead of focus
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-
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- Released under the MIT license
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-*/
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-
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-(function (factory) {
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- 'use strict';
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-
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- if (typeof define === 'function' && define.amd) {
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- // AMD. Register as anonymous module.
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- define(['jquery'], factory)
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- } else {
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- // Browser globals.
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- factory(jQuery)
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- }
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-}(function ($) {
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- 'use strict';
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-
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- var isInputSupported = 'placeholder' in document.createElement('input')
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- , isTextareaSupported = 'placeholder' in document.createElement('textarea')
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- , $placeholders = $()
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-
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- function getAttributes (element) {
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- // Return an object of element attributes
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- var newAttrs = {}
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- , rinlinejQuery = /^jQuery\d+$/
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-
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- $.each(element.attributes, function () {
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- if (this.specified && !rinlinejQuery.test(this.name)) {
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- newAttrs[this.name] = this.value
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- }
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- })
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- return newAttrs
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- }
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-
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- function setCaretTo (element, index) {
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- // Set caret to specified @index
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- if (element.createTextRange) {
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- var range = element.createTextRange()
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- range.move('character', index)
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- range.select()
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- } else if (element.selectionStart !== null) {
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- element.focus()
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- element.setSelectionRange(index, index)
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- }
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- }
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-
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-
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- function Placeholder (element, options) {
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- this.options = options || {}
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- this.$replacement = this.$element = $(element)
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- this.initialize.apply(this, arguments)
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- // Cache all elements with placeholders
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- $placeholders = $placeholders.add(element)
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- }
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-
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- Placeholder.prototype = {
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-
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- initialize: function () {
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- this.isHidden = true
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- this.placeholderAttr = this.$element.attr('placeholder')
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- // do not mess with default behavior
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- this.$element.removeAttr('placeholder')
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- this.isPassword = this.$element.is('[type=password]')
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- if (this.isPassword) this.makeReplacement()
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- this.$replacement.on({
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- 'keydown.placeholder': $.proxy(this.hide, this)
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- , 'focus.placeholder drop.placeholder click.placeholder': $.proxy(this.setCaret, this)
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- })
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- this.$element.on({
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- 'blur.placeholder keyup.placeholder': $.proxy(this.show, this)
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- })
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- this.show()
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- }
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-
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- // Set or get input value
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- // Setting value toggles placeholder
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- , val: function (value) {
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- if (value === undefined) {
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- return this.isHidden ? this.$element[0].value : '';
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- }
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- if (value === '') {
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- if (this.isHidden) {
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- this.$element[0].value = value
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- this.show()
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- }
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- } else {
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- if (!this.isHidden) this.hide()
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- this.$element[0].value = value
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- }
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- return this
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- }
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-
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- // Hide placeholder at user input
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- , hide: function (e) {
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- var isActiveElement = this.$replacement.is(':focus')
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- if (this.isHidden) return;
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- if (!e || !(e.shiftKey && e.keyCode === 16) && e.keyCode !== 9) {
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- this.isHidden = true
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- if (this.isPassword) {
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- this.$replacement.before(this.$element.show()).hide()
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- if (isActiveElement) this.$element.focus()
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- } else {
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- this.$element[0].value = ''
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- this.$element.removeClass(this.options.className)
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- }
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- }
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- }
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-
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- // Show placeholder on blur and keyup
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- , show: function (e) {
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- var isActiveElement = this.$element.is(':focus')
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- if (!this.isHidden) return;
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- if (this.$element[0].value === '') {
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- this.isHidden = false
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- if (this.isPassword) {
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- this.$element.before(this.$replacement.show()).hide()
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- if (isActiveElement) this.$replacement.focus()
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- } else {
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- this.$element[0].value = this.placeholderAttr
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- this.$element.addClass(this.options.className)
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- if (isActiveElement) this.setCaret(e)
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- }
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- }
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- }
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-
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- // Set caret at the beginning of the input
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- , setCaret: function (e) {
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- if (e && !this.isHidden) {
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- setCaretTo(this.$replacement[0], 0)
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- e.preventDefault()
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- }
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- }
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-
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- // Make and return replacement element
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- , makeReplacement: function () {
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- // we can't use $.fn.clone because ie <= 8 doesn't allow type change
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- var replacementAttributes =
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- $.extend(
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- getAttributes(this.$element[0])
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- , { 'type': 'text'
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- , 'value': this.placeholderAttr
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- }
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- )
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-
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- // replacement should not have input name
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- delete replacementAttributes.name
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-
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- this.$replacement = $('<input>', replacementAttributes)
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- .data('placeholder', this)
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- .addClass(this.options.className)
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-
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- return this.$replacement;
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- }
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-
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- }
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-
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-
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- // Override jQuery val and prop hooks
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- $.valHooks.input = $.valHooks.textarea = $.propHooks.value = {
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- get: function (element) {
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- var placeholder = $(element).data('placeholder')
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- return placeholder ? placeholder.val() : element.value;
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- }
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- , set: function (element, value) {
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- var placeholder = $(element).data('placeholder')
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- return placeholder ? placeholder.val(value) : element.value = value;
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- }
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- }
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-
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-
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- // Plugin definition
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- $.fn.placeholder = function (option) {
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- return this.each(function () {
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- var $this = $(this)
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- , data = $this.data('placeholder')
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- , options = $.extend({}, $.fn.placeholder.defaults, typeof option === 'object' && option)
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-
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- if (!data && $this.is('[placeholder]') && (options.force ||
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- !isInputSupported && $this.is('input') ||
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- !isTextareaSupported && $this.is('textarea'))) {
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- $this.data('placeholder', data = new Placeholder(this, options))
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- }
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-
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- if (data && typeof option === 'string') data[option]()
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- })
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- }
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- $.fn.placeholder.defaults = {
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- force: false
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- , className: 'placeholder'
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- }
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- $.fn.placeholder.Constructor = Placeholder
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-
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-
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- // Events
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- $(document).on('submit.placeholder', 'form', function () {
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- // Clear the placeholder values so they don't get submitted
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- $placeholders.placeholder('hide')
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- // And then restore them back
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- setTimeout(function () { $placeholders.placeholder('show') }, 10)
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- })
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- $(window).on('beforeunload.placeholder', function () {
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- // Clear placeholders upon page reload
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- $placeholders.placeholder('hide')
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- })
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-
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- return Placeholder
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-
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-}));
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Morris Jobke