js/pages.js

   1 // coding: utf-8
   2 // Copyright 2008 Grégory Burri
   3 //
   4 // This file is part of Euphorik.
   5 //
   6 // Euphorik is free software: you can redistribute it and/or modify
   7 // it under the terms of the GNU General Public License as published by
   8 // the Free Software Foundation, either version 3 of the License, or
   9 // (at your option) any later version.
  10 //
  11 // Euphorik is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License
  17 // along with Euphorik.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 /*jslint laxbreak:true */
  20
  21
  22 /**
  23   * Pages manager.
  24   */
  25 euphorik.Pages = function(fragment, communication) {
  26    this.fragment = fragment;
  27    this.communication = communication;
  28    this.pageCourante = undefined;
  29    this.pageDefaut = undefined;
  30    this.pages = {};
  31 };
  32
  33 /**
  34   * Add a new page, must be done one time per page after the website is loaded.
  35   * Accept a string or a Page object.
  36   * If a string is given then a static object page is automatically created.
  37   * A string is the name of the page without the 'html' extension, for example
  38   *  "page" -> "page.html"
  39   * @defaultPage If true then the page will be flaged as 'default'. It must be only one default page.
  40   */
  41 euphorik.Pages.prototype.addPage = function(page, defaultPage) {
  42    if (typeof page === "string") {
  43       page = new euphorik.PageStatique(page, this.communication);
  44    }
  45
  46    page.pages = this; // la magie des langages dynamiques : le foutoire
  47    page.fragment = this.fragment;
  48
  49    this.pages[page.name] = page;
  50
  51    if (defaultPage) {
  52       this.pageDefaut = page;
  53    }
  54 };
  55
  56 /**
  57   * Display a given page.
  58   * If no page name given the the default page will be loaded.
  59   * @pageName [optional] The page name to load.
  60   * @forceToLoad [optional] If true then the page will be reloaded even it already displayed.
  61   */
  62 euphorik.Pages.prototype.displayPage = function(pageName, forceToLoad) {
  63    forceToLoad = forceToLoad || false;
  64
  65     // si le nom de la page n'est pas donné on le prend du fragment
  66     if (!pageName) {
  67       pageName = this.fragment.getVal("page");
  68     }
  69
  70    var page = this.pages[pageName];
  71    if (!page) {
  72       page = this.pageDefaut;
  73    }
  74
  75    if (!page || (!forceToLoad && page === this.pageCourante)) {
  76       return;
  77    }
  78
  79    if (this.pageCourante && this.pageCourante.decharger) {
  80       this.pageCourante.decharger();
  81    }
  82
  83    $("#menu li").removeClass("courante");
  84    $("#menu li." + page.name).addClass("courante");
  85
  86    this.pageCourante = page;
  87    var contenu = this.pageCourante.contenu();
  88
  89    $("#page").html(contenu).removeClass().addClass(
  90       this.pageCourante.name +
  91       // A page can bring some additionnals CSS classes
  92       (this.pageCourante.classes ? " " + this.pageCourante.classes() : "")
  93    );
  94
  95    if (this.pageCourante.charger) {
  96       this.pageCourante.charger();
  97    }
  98
  99    this.fragment.setVal("page", this.pageCourante.name);
 100    this.fragment.write();
 101 };