exampleData={
  'lastChange': 0,
  'scases': {
    0: {
      'name': 'Vacances',
      'cats': {
        'lastChange': 0,
        'cats': {
          0: {
            'name': 'Papier',
            'color': '#f00',
            'things': [
              {
                'label': 'Papier blanc',
                'checked': false
              },
              {
                'label': 'Stylo',
                'checked': true
              },
              {
                'label': "Carte d'identité",
                'checked': false
              }
            ]
          },
          1: {
            'name': 'Multimédia',
            'color': '#0f0',
            'things': [
              {
                'label': 'Montre',
                'checked': false
              },
              {
                'label': 'Chargeur montre',
                'checked': true
              },
              {
                'label': "PC",
                'checked': false
              }
            ]
          }
        }
      }
    }
  }
};
function SCaseList() {
  lastChange=0;

  this.loadFromLocalStorage=function() {
    if (jQuery.type(localStorage.scases)!='undefined') {
      try {
        var data=JSON.parse(localStorage.scases);
        this.lastChange=data.lastChange;
        for (el in data.scases) {
          this[el]=new SCase(false,data.scases[el]);
        }
      }
      catch(e) {
        for (el in this) {
          if (this.isSCase(this[el])) {
            delete this[el];
          }
        }
        myconfirm('Erreur en chargeant les données locales. On les purges ?',
          function(data) {
            delete localStorage.scases;
            location.reload();
          }
        );
      }
    }
    else {
      myconfirm("<h2>Bienvenu !</h2><p>Souhaitez-vous charger les données d'exemple ?</p>",
        function(data) {
          localStorage.scases=JSON.stringify(exampleData);
          location.reload();
        }
      );
    }
  }

  this.export=function() {
    return {
      'lastChange': this.lastChange,
      'scases': this.each(function(idx,scase) {
        return scase.export();
      })
    };
  }

  this.import=function(data) {
    ret={};
    for (el in this) {
      if (this.isSCase(this[el])) {
        delete ret[el];
      }
    }
    this.lastChange=data.lastChange;
    for (el in data.scases) {
      this[el]=new SCase(false,data.scases[el]);
    }
    return true;
  }

  this.save=function() {
    localStorage.scases=JSON.stringify(this.export());
  }

  this.each=function(fct) {
    var idx=0;
    var ret={};
    for (el in this) {
      if(this.isSCase(this[el])) {
        ret[el]=fct(idx++,this[el]);
      }
    }
    return ret;
  }

  this.count=function() {
    len=0;
    this.each(function(idx,scase) {
      len=len+1;
    });
    return len;
  }

  this.isSCase=function(el) {
    return (jQuery.type(el)=='object' && jQuery.type(el.isSCase)=='function' && el.isSCase());
  }

  this.byName=function(name) {
    for (el in this) {
      if(this.isSCase(this[el])) {
        if (this[el].name==name) {
          return this[el];
        }
      }
    }
    return false;
  }

  this.removeSCase=function(name) {
    for (el in this) {
      if (this.isSCase(this[el]) && this[el].name==name) {
        delete this[el];
        return true;
      }
    }
    return false;
  }

  this.newSCase=function(name) {
    if (!this.isSCase(this[name])) {
      this[name]=new SCase(name);
      return this[name];
    }
    return false;
  }

  this.renameSCase=function(name,newname) {
    var scase=this.byName(name);
    if (scase && !this.byName(newname)) {
      scase.name=newname;
      return scase;
    }
    return false;
  }

  this.copySCase=function(name,newname) {
    var orig_scase=this.byName(name);
    if (this.isSCase(orig_scase) && !this.byName(newname)) {
      this[newname]=new SCase(false,orig_scase.export());
      this[newname].name=newname;
      return this[newname];
    }
    return false;
  }

  this.resetSCase=function(name) {
    for (el in this) {
      if (this.isSCase(this[el]) && this[el].name==name) {
        return this[el].reset();
      }
    }
    return false;
  }
}

function SCase(name,data) {
  this.name=name;
  this.cats=new CatList();

  this.isSCase=function() {
    return true;
  }

  this.export=function() {
    return {
      'name': encodeURIComponent(this.name),
      'cats': this.cats.export()
    };
  }

  this.byName=function(name) {
    for (idx in this.cats) {
      if (name==this.cats[idx].name) {
        return this.cats[idx];
      }
    }
    return false;
  }

  this.stats=function() {
    var cats=0;
    var things=0;
    var things_done=0;
    this.cats.each(function(cidx,cat) {
      cats++;
      for (idx in cat.things) {
        things++;
        if (cat.things[idx].checked) {
          things_done++;
        }
      }
    });
    return {
      'cats': cats,
      'things': things,
      'done': things_done
    }
  }

  this.reset=function() {
    this.cats.each(function(idx,cat) {
      for (idx in cat.things) {
        if (cat.things[idx].checked) {
          cat.things[idx].checked=false;
        }
      }
    });
    return true;
  }

  /*
   * Contructor
   */
  if (jQuery.type(data)=='object') {
    try {
      this.name=decodeURIComponent(data.name);
      if (jQuery.type(data.cats) == 'object') {
        this.cats=new CatList(data.cats);
      }
    }
    catch (e) {
      console.log(e);
      alert('Une erreur est survenue en chargeant la valise '+this.name+' depuis le cache');
    }
  }

}


function CatList(data) {
  lastChange=0;
  
  this.export=function() {
    return {
      'lastChange': this.lastChange,
      'cats': this.each(function(idx,cat) {
        return cat.export();
      })
    };
  }

  this.import=function(data) {
    for (el in this) {
      if (this.isCat(this[el])) {
        delete this[el];
      }
    }
    this.lastChange=data.lastChange;
    for (el in data.cats) {
      this[el]=new Cat(el,false,data.cats[el]);
    }
    return true;
  }

  this.each=function(fct) {
    var idx=0;
    var ret={};
    for (el in this) {
      if(this.isCat(this[el])) {
        ret[el]=fct(idx++,this[el]);
      }
    }
    return ret;
  }

  this.count=function() {
    len=0;
    this.each(function(idx,cat) {
      len=len+1;
    });
    return len;
  }

  this.isCat=function(el) {
    return (jQuery.type(el)=='object' && jQuery.type(el.isCat)=='function' && el.isCat());
  }

  this.byName=function(name) {
    for (el in this) {
      if(this.isCat(this[el])) {
        if (this[el].name==name) {
          return this[el];
        }
      }
    }
    return false;
  }

  this.newCat=function(name) {
    if (!this.isCat(this[name])) {
      this[name]=new Cat(name);
      return this[name];
    }
    return false;
  }

  this.renameCat=function(name,newname) {
    var cat=this.byName(name);
    if (cat && !this.byName(newname)) {
      cat.name=newname;
      return cat;
    }
    return false;
  }

  this.removeCat=function(name) {
    for (el in this) {
      if (this.isCat(this[el]) && this[el].name==name) {
        delete this[el];
        return true;
      }
    }
    return false;
  }



  /*
   * Contructor
   */
  if (jQuery.type(data)=='object') {
    try {
      this.import(data);
    }
    catch (e) {
      console.log(e);
      alert('Une erreur est survenue en chargeant la liste de catégorie depuis le cache');
    }
  }

}

function Cat(name,color,data) {
  this.name=name;
  this.color=color || '#'+(0x1000000+(Math.random())*0xffffff).toString(16).substr(1,6);
  this.things=[];

  this.isCat=function() {
    return true;
  }

  this.export=function() {
    var things=[];
    for (idx in this.things) {
      things.push(this.things[idx].export());
    }
    return {
      'name': encodeURIComponent(this.name),
      'color': this.color,
      'things': things
    };
  }

  this.importThing=function(data) {
    return new Thing(
      decodeURIComponent(data.label),
      data.checked
    );
  }

  this.byLabel=function(label) {
    for (idx in this.things) {
      if (label==this.things[idx].label) {
        return this.things[idx];
      }
    }
    return false;
  }

  this.count=function() {
    return this.things.length;
  }

  this.countDone=function() {
    var count=0;
    for (idx in this.things) {
      if (this.things[idx].checked) {
        count+=1;
      }
    }
    return count;
  }

  this.renameThing=function(label,newlabel) {
    var thing=this.byLabel(label);
    if (thing && !this.byLabel(newlabel)) {
      thing.label=newlabel;
      return thing;
    }
    return false;
  }

  this.removeThing=function(label) {
    for (idx in this.things) {
      if (this.things[idx].label==label) {
        delete this.things[idx];
        return true;
      }
    }
    return false;
  }

  /*
   * Contructor
   */
  if (jQuery.type(data)=='object') {
    try {
      this.name=decodeURIComponent(data.name);
      this.color=data.color;
      if (jQuery.type(data.things) == 'array') {
        for (idx in data.things) {
          this.things.push(this.importThing(data.things[idx]));
        }
      }
    }
    catch (e) {
      console.log(e);
      alert('Une erreur est survenue en chargeant la catégorie catégorie '+this.name+' depuis le cache');
    }
  }

}

function Thing(label,checked) {
  this.label=label;
  this.checked=checked;
  this.export=function() {
    return {
      'label': encodeURIComponent(this.label),
      'checked': this.checked
    };
  }
}