js/fragment.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 /**
  20   * Gestion du fragment d'url, permet de le modifier en direct.
  21   */
  22 Fragment = function() {
  23    var thisFragment = this;
  24    // remplacement des codes de type %22 (en hexa)
  25    var replaceHtmlCode = function(str) {
  26       return str.replace(/%(\d\d)/g, function(text, code) {
  27          return String.fromCharCode(parseInt(code, 16));
  28       })
  29    };
  30    this.fragments = {};
  31    if (!window.location.hash) {
  32        return;
  33    }
  34    try {
  35        var fragmentsStr = replaceHtmlCode(window.location.hash.slice(1)).split(";");
  36        fragmentsStr.each(function(i, tuple) {
  37           tuple = tuple.split("=");
  38           thisFragment.fragments[tuple[0]] = JSON.parse(tuple[1]);
  39        });
  40    } catch(error) {
  41       alert(error)
  42       ;; console.log(error);
  43    }
  44 };
  45
  46 Fragment.prototype.setVal = function(name, val) {
  47    this.fragments[name] = val;
  48 };
  49
  50 Fragment.prototype.getVal = function(name) {
  51    return this.fragments[name];
  52 };
  53
  54 Fragment.prototype.delVal = function(name) {
  55    delete this.fragments[name];
  56 };
  57
  58 Fragment.prototype.eraseAllVal = function() {
  59    this.fragments = [];
  60 };
  61
  62 Fragment.prototype.each = function(fun) {
  63     objectEach(this.fragments, function(name, val) {
  64        fun(name, val);
  65     });
  66 };
  67
  68 Fragment.prototype.write = function() {
  69    var fragmentsStr = "";
  70    var first = true;
  71    objectEach(this.fragments, function(name, val) {
  72       fragmentsStr += (first ? "" : ";") + name + "=" + JSON.stringify(val);
  73       first = false;
  74    });
  75    window.location.hash = fragmentsStr;
  76 };