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home/etiennec/www/oldsite/prive/javascript/multilang.js000066600000021222152503000670017403 0ustar00/*
 * 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_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_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);
}

//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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