--- /dev/null
+/*
+ * multilang
+ *
+ * Copyright (c) 2006-2010 Renato Formato (rformato@gmail.com)
+ * Licensed under the GPL License:
+ * http://www.gnu.org/licenses/gpl.html
+ *
+ */
+
+var multilang_containers={}, //menu containers
+ forms_fields={},
+ multilang_forms, //forms to be processed (jQuery object)
+ multilang_menu_lang; //template of the menu (jQuery object)
+/*
+(?:\[([a-z_]+)\]|^[\s\n]*)
+[lang] or white space
+
+((?:.|\n)*?)
+all chars not greedy
+
+(?=\[[a-z_]+\]|$)
+[lang] or end string
+*/
+var match_multi = /(?:\[([a-z_]+)\]|^[\s\n]*)((?:.|\n|\s)*?)(?=\[[a-z_]+\]|$)/ig;
+var multilang_css_link,
+ multilang_css_cur_link={},
+ multilang_root, //root of the search (jQuery object)
+ multilang_fields_selector,
+ multilang_menu_selector,
+ multilang_forms_selector; //selector of the forms to be processed (string)
+multilang_css_link = {"cursor":"pointer","margin":"2px 5px","float":"left"};
+$.extend(multilang_css_cur_link,multilang_css_link,{fontWeight:"bold"});
+
+/* options is a hash having the following values:
+ * - fields (mandatory): a jQuery selector to set the fields that have to be internationalized.
+ * - page (optional): a string to be searched in the current url. if found the plugin is applied.
+ * - root (optional): the root element of all processing. Default value is 'document'. To speed up search
+ * - forms (optional): a jQuery selector to set the forms that have to be internationalized. Default value is 'form'.
+ * - main_menu (optional): a jQuery selector to set the container for the main menu to control all the selected forms.
+ * - form_menu (optional): a jQuery selector to set the container for the form menus.
+ */
+function multilang_init_lang(options) {
+ //Detect if we're on the right page and if multilinguism is activated. If not return.
+ if((options.page && window.location.search.indexOf(options.page)==-1) || multilang_avail_langs.length<=1) return;
+ //set the root element of all processing
+ var root = options.root || document;
+ multilang_root = $(root);
+ //set the main menu element
+ multilang_containers = options.main_menu ? $(options.main_menu,multilang_root) : $([]);
+ //create menu lang template
+ multilang_menu_lang =$("<div>");
+ $.each(multilang_avail_langs,function() {
+ multilang_menu_lang.append($("<a>").html("["+this+"]").css(this==multilang_def_lang?multilang_css_cur_link:multilang_css_link)[0]);
+ });
+ //store all the internationalized forms
+ multilang_forms_selector = options.forms || "form";
+ multilang_forms = $(multilang_forms_selector,multilang_root);
+ //create menu lang for the global form
+ if(multilang_containers.size()) forms_make_menu_lang(multilang_containers);
+ //init fields
+ multilang_fields_selector = options.fields;
+ multilang_menu_selector = options.form_menu;
+ forms_init_multi();
+}
+
+function forms_make_menu_lang(container,target) {
+ target = target || multilang_forms;
+ $(multilang_menu_lang).clone().find("a").click(function() {forms_change_lang(this,container,target)}).end().
+ append("<div style='clear:left'></div>").appendTo(container);
+}
+
+function forms_change_lang(el,container,target) {
+ var lang = el.innerHTML;
+ container = container || multilang_containers;
+ //update lang menu with current selection
+ container.find("a").each(function(){
+ $(this).css("fontWeight",lang==this.innerHTML?"bold":"normal");
+ }).end();
+ lang = lang.slice(1,-1);
+ //store the fields inputs for later use (usefull for select)
+ var target_id = target!=multilang_forms?jQuery.data(target[0]):"undefined";
+ if(!forms_fields[target_id]) forms_fields[target_id] = $(multilang_fields_selector,target);
+ //save the current values
+ forms_fields[target_id].each(function(){
+ forms_save_lang(this,this.form.form_lang);
+ });
+ //change current lang
+ target.each(function(){this.form_lang = lang});
+ //reinit fields to current lang
+ forms_fields[target_id].each(function(){forms_set_lang(this,lang)});
+}
+
+function forms_init_multi(options) {
+ var target = options?options.target:null;
+ var init_forms;
+ //Update the list of form if this is an update
+ if(target) {
+ //Verify the target is really a form to be internationalized (in case of an ajax request fired by onAjaxLoad)
+ if(target==document) return;
+ init_forms = $(target).find('form').in_set($(multilang_forms_selector,multilang_root));
+ if(!init_forms.length) return;
+ multilang_forms.add(init_forms.each(forms_attach_submit).get());
+ } else {
+ //attach multi processing to submit event
+ init_forms = multilang_forms;
+ multilang_forms.each(forms_attach_submit);
+ }
+ forms_fields = {};
+ forms_fields["undefined"] = $(multilang_fields_selector,multilang_forms);
+ //init the value of the field to current lang
+ //add a container for the language menu inside the form
+ init_forms.each(function() {
+ this.form_lang = multilang_def_lang;
+ var container = multilang_menu_selector ? $(multilang_menu_selector,this) : $(this);
+ container.prepend("<div class='menu_lang'>");
+ });
+ $(multilang_fields_selector,init_forms).each(function(){
+ forms_init_field(this,this.form.form_lang);
+ });
+ //create menu for each form. The menu is just before the form
+ $("div.menu_lang",init_forms).empty().each(function() {
+ //store all form containers to allow menu lang update on each container
+ //when it is triggered by global menu
+ multilang_containers.add(this);
+ forms_make_menu_lang($(this),$(this).parents("form"));
+ });
+}
+
+function forms_attach_submit() {
+ var oldsubmit = this.onsubmit;
+ this.onsubmit = "";
+ if(oldsubmit) $(this).submit(function(){forms_multi_submit.apply(this);return oldsubmit.apply(this);})
+ else $(this).submit(forms_multi_submit);
+}
+
+function forms_init_field(el,lang) {
+ //Retrieves the following data
+ //1)the title element of the field
+ //2)boolean multi = the fields has a multi value
+ //3)various lang string
+ //if already inited just return
+ if(el.field_lang) return;
+ var langs;
+ var m = el.value.match(/(\d+\.\s+)?<multi>((?:.|\n|\s)*?)<\/multi>/);
+ el.field_lang = {};
+ el.field_pre_lang = ""; //this is the 01. part of the string, the will be put outside the <multi>
+ el.titre_el = $("#titre_"+el.id);
+ if(m!=null) {
+ el.field_pre_lang = m[1] || "";
+ el.multi = true;
+ match_multi.lastIndex=0;
+ while((langs=match_multi.exec(m[2]))!=null) {
+ var text = langs[2].match(/^(\d+\.\s+)((?:.|\n|\s)*)/), value;
+ if(text!=null) {
+ value = text[2];
+ el.field_pre_lang = text[1] || "";
+ } else {
+ value = langs[2];
+ }
+ el.field_lang[langs[1]||multilang_def_lang] = value;
+ }
+ //Put the current lang string only in the field
+ forms_set_lang(el,lang);
+ } else {
+ el.multi = false;
+ el.field_lang[lang] = el.value;
+ }
+}
+
+function forms_set_lang(el,lang) {
+ //if current lang is not setted use default lang value
+ if(el.field_lang[lang]==undefined)
+ el.field_lang[lang] = el.field_lang[multilang_def_lang];
+ el.value = el.field_pre_lang+(el.field_lang[lang]==undefined?"":el.field_lang[lang]); //show the common part (01. ) before the value
+ el.titre_el.html(el.value);
+}
+
+function forms_save_lang(el,lang) {
+ //if the lang value is equal to the def lang do nothing
+ //else save value but if the field is not empty, delete lang value
+ var m = el.value.match(/^(\d+\.\s+)((?:.|\n|\s)*)/);
+ if(m!=null) {
+ el.field_pre_lang = m[1];
+ el.value = m[2];
+ }
+ if(el.field_lang[multilang_def_lang]!=el.value) {
+ if(!el.value) {
+ delete el.field_lang[lang];
+ return;
+ }
+ el.multi = true;
+ el.field_lang[lang] = el.value;
+ }
+}
+
+//This func receives the form that is going to be submitted
+function forms_multi_submit(params) {
+ if(multilang_avail_langs.length<=1) return;
+ var form = this;
+ //remove the current form from the list of forms
+ multilang_forms.not(this);
+ //remove the current menu lang container from the list
+ multilang_containers.not("div.menu_lang",$(this));
+ //build the input values
+ $(multilang_fields_selector,this).each(function(){
+ //save data before submit
+ forms_save_lang(this,form.form_lang || multilang_def_lang);
+ //build the string value
+ var def_value = this.field_lang[multilang_def_lang];
+ if(!this.multi) this.value = this.field_pre_lang+(def_value==undefined?"":def_value);
+ else {
+ var value="",count=0;
+ $.each(this.field_lang,function(name){
+ //save default lang value and other lang values if different from
+ //the default one
+ if(this!=def_value || name==multilang_def_lang) {
+ value += "["+name+"]"+this;
+ count++;
+ }
+ });
+ this.value = this.field_pre_lang+(count!=1?"<multi>"+value+"</multi>":value.replace(/^\[[a-z_]+\]/,''));
+ }
+ });
+ //save back the params
+ if(params) $.extend(params,$(form).formToArray(false));
+}
+
+jQuery.fn.in_set = function(set) {
+ var elements = this.get();
+ var result = $.grep(set,function(i){
+ var found = false;
+ $.each(elements,function(){
+ if(this==i) found=true;
+ })
+ return found;
+ });
+ return jQuery(result);
+}
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