error Object has no properties

AbdelioR · #1 (**permalink**) 28/04/2008, 15:28

Buenas, estoy usando el script starbox que es un sistema de votación de estrellas y funciona correctamente, lo único que una función muestra ese error cuando la llamo.

El firebug me muestra 1 error pero el script se ejecuta bien. En IE 6.0 este error peta y la web muestra un alert de error.

$("votar").down(".average") has no properties
[Break on this error] $('votar').down('.average').update(event.memo.aver age);

Como el código del script es muy largo no os lo pongo todo, a ver si alguien sabe decirme como se podria solucionar este error, o las causas mas generales que lo provocan para ver si puedo remediarlo.

Gracias.

AbdelioR · #2 (**permalink**) 06/05/2008, 07:49

¿Nadie? .... :(

caricatos · #3 (**permalink**) 06/05/2008, 07:53

Hola:

No tengo idea del problema porque no hay mucho código... pero un punto dentro de las comillas me parece sospechoso...

Pon más código si no te sirve la respuesta.

Saludos

AbdelioR · #4 (**permalink**) 06/05/2008, 12:58

Parte 1:

Bueno, es bastante código pero lo pongo a ver si alguien ve donde está el error.

Todo parte de esta clase, starbox.js:

Código HTML:

//  Starbox 1.1.0 - 01-04-2008
//  Copyright (c) 2008 Nick Stakenburg (http://www.nickstakenburg.com)
//
//  Licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License
//  http://creativecommons.org/licenses/by-nc-nd/3.0/

//  More information on this project:
//  http://www.nickstakenburg.com/projects/starbox/

var Starboxes = {
  options: {
    buttons: 5,                                  // amount of clickable areas
    className : 'default',                       // default class
    color: false,                                // would overwrite the css style to set color on the stars
    duration: 0.6,                               // the duration of the revert effect, when effects are used
    effect: {
      mouseover: false,                          // use effects on mouseover, default false
      mouseout: (window.Effect && Effect.Morph)  // use effects on mouseout, default when available
    },
    hoverColor: false,                           // overwrites the css hover color
    hoverClass: 'hover',                         // the css hover class color
    ghostColor: false,                           // the color of the ghost stars, if used
    ghosting: false,                             // ghosts the previous vote
    identity: false,                             // a unique value you can give each starbox
    indicator: false,                            // use an indicator, default false
    inverse: false,                              // inverse the stars, right to left
    locked: false,                               // lock the starbox to prevent voting
    max: 5,                                      // the maximum rating of the starbox
    onRate: Prototype.emptyFunction,             // default onRate, function(element, memo) {}
    rated: false,                                // or a rating to indicate a vote has been cast
    ratedClass: 'rated',                         // class when rated
    rerate: false,                               // allow rerating
    overlay: 'star.png',                      // default star overlay image
    overlayImages: '../media/images/',         // directory of images relative to this file
    stars: 5,                                    // the amount of stars
    total: 0                                     // amount of votes cast
  }
};

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Ahora en un archivo.php, se crea el objeto de esta manera:

Código HTML:

<script language="javascript" type="text/javascript">


  new Starbox('votar', <?=$porcentaje;?>, { rated: false,<?=$bloqueado;?> rerate: false, max: 5, buttons: 5, stars: 5, identity:<?=$id?>, indicator: '<?=$indicator;?>',onRate:function(element, info) {
              var indicator = element.down('.indicator');
              indicator.update('Gracias por votar');
}, total: <?=$votos;?> });

</script>

AbdelioR · #5 (**permalink**) 06/05/2008, 12:59

Parte 2:

Y las funciones que usa son estas:

Código HTML:

<script language="javascript" type="text/javascript">
// Here's how to overwrite default behaviour, using this for demos
Object.extend(Starboxes.options, { rerate: true });

// Create a Youtube style text indicator underneath the stars,
// using starbox custom events
function starboxChangedText(event) {
  var indicator = this.down('.indicator'),
  pick = (event.memo.rating || 0).round() - 1,
  indicator = this.down('.indicator');
  
  // for restoring, store the indicator text on the star if it was not set before.
  this.starboxResetText = this.starboxResetText || indicator.innerHTML;
  
  this.down('.indicator').update([
    'Malo',
	'Nada especial',
	'Vale la pena',
	'Bastante bueno',
	'¡Impresionante!'
  ][pick]);  
}

// here we restore the indicator on mouseout, if needed
function starboxLeftText(event) {
	this.down('.indicator').update(this.starboxResetText || '');
}

function saveStar(event) {
 
  new Ajax.Request('url/votar.php', {
                  parameters: event.memo,
                  method: 'post'
				  });
  $('votar').down('.average').update(event.memo.average);
				  
}

// attach the custom events on DOM loaded
document.observe('dom:loaded', function() {
     
$('votar').observe('starbox:changed', starboxChangedText) // observe the mouseover 
$('votar').observe('starbox:rated', saveStar);
$('votar').observe('starbox:left', starboxLeftText); // observe the mouseout

});

</script>

Lo único que da error es lo que comento arriba, que aunque en algunos navegadores funciona bien, el firebug hace saltar el error y en IE6 salta un alert también.

A ver si alguien con tiempo ve el error, :)