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508 lines
22 KiB
508 lines
22 KiB
/*
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* Jeditable - jQuery in place edit plugin
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*
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* Copyright (c) 2006-2008 Mika Tuupola, Dylan Verheul
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*
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* Licensed under the MIT license:
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* http://www.opensource.org/licenses/mit-license.php
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*
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* Project home:
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* http://www.appelsiini.net/projects/jeditable
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*
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* Based on editable by Dylan Verheul <dylan_at_dyve.net>:
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* http://www.dyve.net/jquery/?editable
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*
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*/
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/**
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* Version 1.6.2
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*
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* ** means there is basic unit tests for this parameter.
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*
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* @name Jeditable
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* @type jQuery
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* @param String target (POST) URL or function to send edited content to **
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* @param Hash options additional options
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* @param String options[method] method to use to send edited content (POST or PUT) **
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* @param Function options[callback] Function to run after submitting edited content **
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* @param String options[name] POST parameter name of edited content
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* @param String options[id] POST parameter name of edited div id
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* @param Hash options[submitdata] Extra parameters to send when submitting edited content.
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* @param String options[type] text, textarea or select (or any 3rd party input type) **
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* @param Integer options[rows] number of rows if using textarea **
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* @param Integer options[cols] number of columns if using textarea **
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* @param Mixed options[height] 'auto', 'none' or height in pixels **
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* @param Mixed options[width] 'auto', 'none' or width in pixels **
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* @param String options[loadurl] URL to fetch input content before editing **
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* @param String options[loadtype] Request type for load url. Should be GET or POST.
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* @param String options[loadtext] Text to display while loading external content.
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* @param Mixed options[loaddata] Extra parameters to pass when fetching content before editing.
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* @param Mixed options[data] Or content given as paramameter. String or function.**
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* @param String options[indicator] indicator html to show when saving
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* @param String options[tooltip] optional tooltip text via title attribute **
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* @param String options[event] jQuery event such as 'click' of 'dblclick' **
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* @param String options[submit] submit button value, empty means no button **
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* @param String options[cancel] cancel button value, empty means no button **
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* @param String options[cssclass] CSS class to apply to input form. 'inherit' to copy from parent. **
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* @param String options[style] Style to apply to input form 'inherit' to copy from parent. **
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* @param String options[select] true or false, when true text is highlighted ??
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* @param String options[placeholder] Placeholder text or html to insert when element is empty. **
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* @param String options[onblur] 'cancel', 'submit', 'ignore' or function ??
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*
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* @param Function options[onsubmit] function(settings, original) { ... } called before submit
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* @param Function options[onreset] function(settings, original) { ... } called before reset
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* @param Function options[onerror] function(settings, original, xhr) { ... } called on error
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*
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* @param Hash options[ajaxoptions] jQuery Ajax options. See docs.jquery.com.
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*
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*/
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(function($) {
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$.fn.editable = function(target, options) {
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var settings = {
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target : target,
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name : 'value',
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id : 'id',
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type : 'text',
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width : 'auto',
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height : 'auto',
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event : 'click',
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onblur : 'cancel',
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loadtype : 'GET',
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loadtext : 'Loading...',
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placeholder: 'Click to edit',
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loaddata : {},
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submitdata : {},
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ajaxoptions: {}
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};
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if(options) {
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$.extend(settings, options);
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}
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/* setup some functions */
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var plugin = $.editable.types[settings.type].plugin || function() { };
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var submit = $.editable.types[settings.type].submit || function() { };
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var buttons = $.editable.types[settings.type].buttons
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|| $.editable.types['defaults'].buttons;
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var content = $.editable.types[settings.type].content
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|| $.editable.types['defaults'].content;
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var element = $.editable.types[settings.type].element
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|| $.editable.types['defaults'].element;
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var reset = $.editable.types[settings.type].reset
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|| $.editable.types['defaults'].reset;
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var callback = settings.callback || function() { };
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var onsubmit = settings.onsubmit || function() { };
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var onreset = settings.onreset || function() { };
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var onerror = settings.onerror || reset;
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/* add custom event if it does not exist */
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if (!$.isFunction($(this)[settings.event])) {
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$.fn[settings.event] = function(fn){
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return fn ? this.bind(settings.event, fn) : this.trigger(settings.event);
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}
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}
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/* show tooltip */
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$(this).attr('title', settings.tooltip);
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settings.autowidth = 'auto' == settings.width;
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settings.autoheight = 'auto' == settings.height;
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return this.each(function() {
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/* save this to self because this changes when scope changes */
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var self = this;
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/* inlined block elements lose their width and height after first edit */
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/* save them for later use as workaround */
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var savedwidth = $(self).width();
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var savedheight = $(self).height();
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/* if element is empty add something clickable (if requested) */
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if (!$.trim($(this).html())) {
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$(this).html(settings.placeholder);
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}
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$(this)[settings.event](function(e) {
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/* prevent throwing an exeption if edit field is clicked again */
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if (self.editing) {
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return;
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}
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/* remove tooltip */
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$(self).removeAttr('title');
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/* figure out how wide and tall we are, saved width and height */
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/* are workaround for http://dev.jquery.com/ticket/2190 */
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if (0 == $(self).width()) {
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//$(self).css('visibility', 'hidden');
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settings.width = savedwidth;
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settings.height = savedheight;
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} else {
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if (settings.width != 'none') {
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settings.width =
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//settings.autowidth ? savedwidth : settings.width
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settings.autowidth ? $(self).width() : settings.width;
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}
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if (settings.height != 'none') {
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settings.height =
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//settings.autoheight ? savedheight : settings.height;
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settings.autoheight ? $(self).height() : settings.height;
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}
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}
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//$(this).css('visibility', '');
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/* remove placeholder text, replace is here because of IE */
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if ($(this).html().toLowerCase().replace(/;/, '') ==
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settings.placeholder.toLowerCase().replace(/;/, '')) {
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$(this).html('');
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}
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self.editing = true;
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self.revert = $(self).html();
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$(self).html('');
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/* create the form object */
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var form = $('<form />');
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/* apply css or style or both */
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if (settings.cssclass) {
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if ('inherit' == settings.cssclass) {
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form.attr('class', $(self).attr('class'));
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} else {
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form.attr('class', settings.cssclass);
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}
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}
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if (settings.style) {
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if ('inherit' == settings.style) {
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form.attr('style', $(self).attr('style'));
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/* IE needs the second line or display wont be inherited */
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form.css('display', $(self).css('display'));
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} else {
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form.attr('style', settings.style);
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}
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}
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/* add main input element to form and store it in input */
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var input = element.apply(form, [settings, self]);
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/* set input content via POST, GET, given data or existing value */
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var input_content;
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if (settings.loadurl) {
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var t = setTimeout(function() {
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input.disabled = true;
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content.apply(form, [settings.loadtext, settings, self]);
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}, 100);
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var loaddata = {};
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loaddata[settings.id] = self.id;
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if ($.isFunction(settings.loaddata)) {
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$.extend(loaddata, settings.loaddata.apply(self, [self.revert, settings]));
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} else {
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$.extend(loaddata, settings.loaddata);
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}
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$.ajax({
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type : settings.loadtype,
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url : settings.loadurl,
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data : loaddata,
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async : false,
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success: function(result) {
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window.clearTimeout(t);
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input_content = result;
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input.disabled = false;
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}
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});
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} else if (settings.data) {
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input_content = settings.data;
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if ($.isFunction(settings.data)) {
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input_content = settings.data.apply(self, [self.revert, settings]);
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}
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} else {
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input_content = self.revert;
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}
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content.apply(form, [input_content, settings, self]);
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input.attr('name', settings.name);
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/* add buttons to the form */
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buttons.apply(form, [settings, self]);
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/* add created form to self */
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$(self).append(form);
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/* attach 3rd party plugin if requested */
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plugin.apply(form, [settings, self]);
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/* focus to first visible form element */
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$(':input:visible:enabled:first', form).focus();
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/* highlight input contents when requested */
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if (settings.select) {
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input.select();
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}
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/* discard changes if pressing esc */
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input.keydown(function(e) {
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if (e.keyCode == 27) {
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e.preventDefault();
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//self.reset();
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reset.apply(form, [settings, self]);
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}
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});
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/* discard, submit or nothing with changes when clicking outside */
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/* do nothing is usable when navigating with tab */
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var t;
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if ('cancel' == settings.onblur) {
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input.blur(function(e) {
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/* prevent canceling if submit was clicked */
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t = setTimeout(function() {
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reset.apply(form, [settings, self]);
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}, 500);
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});
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} else if ('submit' == settings.onblur) {
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input.blur(function(e) {
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/* prevent double submit if submit was clicked */
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t = setTimeout(function() {
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form.submit();
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}, 200);
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});
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} else if ($.isFunction(settings.onblur)) {
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input.blur(function(e) {
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settings.onblur.apply(self, [input.val(), settings]);
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});
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} else {
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input.blur(function(e) {
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/* TODO: maybe something here */
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});
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}
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form.submit(function(e) {
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if (t) {
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clearTimeout(t);
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}
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/* do no submit */
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e.preventDefault();
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/* call before submit hook. */
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/* if it returns false abort submitting */
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if (false !== onsubmit.apply(form, [settings, self])) {
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/* custom inputs call before submit hook. */
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/* if it returns false abort submitting */
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if (false !== submit.apply(form, [settings, self])) {
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/* check if given target is function */
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if ($.isFunction(settings.target)) {
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var str = settings.target.apply(self, [input.val(), settings]);
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$(self).html(str);
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self.editing = false;
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callback.apply(self, [self.innerHTML, settings]);
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/* TODO: this is not dry */
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if (!$.trim($(self).html())) {
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$(self).html(settings.placeholder);
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}
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} else {
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/* add edited content and id of edited element to POST */
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var submitdata = {};
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submitdata[settings.name] = input.val();
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submitdata[settings.id] = self.id;
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/* add extra data to be POST:ed */
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if ($.isFunction(settings.submitdata)) {
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$.extend(submitdata, settings.submitdata.apply(self, [self.revert, settings]));
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} else {
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$.extend(submitdata, settings.submitdata);
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}
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/* quick and dirty PUT support */
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if ('PUT' == settings.method) {
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submitdata['_method'] = 'put';
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}
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/* show the saving indicator */
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$(self).html(settings.indicator);
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/* defaults for ajaxoptions */
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var ajaxoptions = {
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type : 'POST',
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data : submitdata,
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url : settings.target,
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success : function(result, status) {
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$(self).html(result);
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self.editing = false;
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callback.apply(self, [self.innerHTML, settings]);
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if (!$.trim($(self).html())) {
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$(self).html(settings.placeholder);
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}
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},
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error : function(xhr, status, error) {
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onerror.apply(form, [settings, self, xhr]);
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}
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}
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/* override with what is given in settings.ajaxoptions */
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$.extend(ajaxoptions, settings.ajaxoptions);
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$.ajax(ajaxoptions);
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}
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}
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}
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/* show tooltip again */
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$(self).attr('title', settings.tooltip);
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return false;
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});
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});
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/* privileged methods */
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this.reset = function(form) {
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/* prevent calling reset twice when blurring */
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if (this.editing) {
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/* before reset hook, if it returns false abort reseting */
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if (false !== onreset.apply(form, [settings, self])) {
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$(self).html(self.revert);
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self.editing = false;
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if (!$.trim($(self).html())) {
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$(self).html(settings.placeholder);
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}
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/* show tooltip again */
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$(self).attr('title', settings.tooltip);
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}
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}
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}
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});
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};
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$.editable = {
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types: {
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defaults: {
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element : function(settings, original) {
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var input = $('<input type="hidden"></input>');
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$(this).append(input);
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return(input);
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},
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content : function(string, settings, original) {
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$(':input:first', this).val(string);
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},
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reset : function(settings, original) {
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original.reset(this);
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},
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buttons : function(settings, original) {
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var form = this;
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if (settings.submit) {
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/* if given html string use that */
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if (settings.submit.match(/>$/)) {
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var submit = $(settings.submit).click(function() {
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if (submit.attr("type") != "submit") {
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form.submit();
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}
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});
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/* otherwise use button with given string as text */
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} else {
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var submit = $('<button type="submit" />');
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submit.html(settings.submit);
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}
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$(this).append(submit);
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}
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if (settings.cancel) {
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/* if given html string use that */
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if (settings.cancel.match(/>$/)) {
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var cancel = $(settings.cancel);
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/* otherwise use button with given string as text */
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} else {
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var cancel = $('<button type="cancel" />');
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cancel.html(settings.cancel);
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}
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$(this).append(cancel);
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$(cancel).click(function(event) {
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//original.reset();
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if ($.isFunction($.editable.types[settings.type].reset)) {
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var reset = $.editable.types[settings.type].reset;
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} else {
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var reset = $.editable.types['defaults'].reset;
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}
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reset.apply(form, [settings, original]);
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return false;
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});
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}
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}
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},
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text: {
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element : function(settings, original) {
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var input = $('<input />');
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if (settings.width != 'none') { input.width(settings.width); }
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if (settings.height != 'none') { input.height(settings.height); }
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/* https://bugzilla.mozilla.org/show_bug.cgi?id=236791 */
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//input[0].setAttribute('autocomplete','off');
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input.attr('autocomplete','off');
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$(this).append(input);
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return(input);
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}
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},
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textarea: {
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element : function(settings, original) {
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var textarea = $('<textarea />');
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if (settings.rows) {
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textarea.attr('rows', settings.rows);
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} else {
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textarea.height(settings.height);
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}
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if (settings.cols) {
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textarea.attr('cols', settings.cols);
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} else {
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textarea.width(settings.width);
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}
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$(this).append(textarea);
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return(textarea);
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}
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},
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select: {
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element : function(settings, original) {
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var select = $('<select />');
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$(this).append(select);
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return(select);
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},
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content : function(string, settings, original) {
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if (String == string.constructor) {
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eval ('var json = ' + string);
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for (var key in json) {
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if (!json.hasOwnProperty(key)) {
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continue;
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}
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if ('selected' == key) {
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continue;
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}
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var option = $('<option />').val(key).append(json[key]);
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$('select', this).append(option);
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}
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}
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/* Loop option again to set selected. IE needed this... */
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$('select', this).children().each(function() {
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if ($(this).val() == json['selected'] ||
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$(this).text() == original.revert) {
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$(this).attr('selected', 'selected');
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};
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});
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}
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}
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},
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/* Add new input type */
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addInputType: function(name, input) {
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$.editable.types[name] = input;
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}
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};
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})(jQuery);
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