/*
 ### jQuery Star Rating Plugin v3.12 - 2009-04-16 ###
 * Home: http://www.fyneworks.com/jquery/star-rating/
 * Code: http://code.google.com/p/jquery-star-rating-plugin/
 *
  * Dual licensed under the MIT and GPL licenses:
 *   http://www.opensource.org/licenses/mit-license.php
 *   http://www.gnu.org/licenses/gpl.html
 ###
*/

/*# AVOID COLLISIONS #*/
;if(window.jQuery) (function($){
/*# AVOID COLLISIONS #*/
  
  // IE6 Background Image Fix
  if ($.browser.msie) try { document.execCommand("BackgroundImageCache", false, true)} catch(e) { };
  // Thanks to http://www.visualjquery.com/rating/rating_redux.html
  
  // plugin initialization
  $.fn.rating = function(options){
    if(this.length==0) return this; // quick fail
    
    // Handle API methods
    if(typeof arguments[0]=='string'){
      // Perform API methods on individual elements
      if(this.length>1){
        var args = arguments;
        return this.each(function(){
          $.fn.rating.apply($(this), args);
    });
      };
      // Invoke API method handler
      $.fn.rating[arguments[0]].apply(this, $.makeArray(arguments).slice(1) || []);
      // Quick exit...
      return this;
    };
    
    // Initialize options for this call
    var options = $.extend(
      {}/* new object */,
      $.fn.rating.options/* default options */,
      options || {} /* just-in-time options */
    );
    
    // Allow multiple controls with the same name by making each call unique
    $.fn.rating.calls++;
    
    // loop through each matched element
    this
     .not('.star-rating-applied')
      .addClass('star-rating-applied')
    .each(function(){
      
      // Load control parameters / find context / etc
      var control, input = $(this);
      var eid = (this.name || 'unnamed-rating').replace(/\[|\]/g, '_').replace(/^\_+|\_+$/g,'');
      var context = $(this.form || document.body);
      
      // FIX: http://code.google.com/p/jquery-star-rating-plugin/issues/detail?id=23
      var raters = context.data('rating');
      if(!raters || raters.call!=$.fn.rating.calls) raters = { count:0, call:$.fn.rating.calls };
      var rater = raters[eid];
      
      // if rater is available, verify that the control still exists
      if(rater) control = rater.data('rating');
      
      if(rater && control)//{// save a byte!
        // add star to control if rater is available and the same control still exists
        control.count++;
        
      //}// save a byte!
      else{
        // create new control if first star or control element was removed/replaced
        
        // Initialize options for this raters
        control = $.extend(
          {}/* new object */,
          options || {} /* current call options */,
          ($.metadata? input.metadata(): ($.meta?input.data():null)) || {}, /* metadata options */
          { count:0, stars: [], inputs: [] }
        );
        
        // increment number of rating controls
        control.serial = raters.count++;
        
        // create rating element
        rater = $('<span class="star-rating-control"/>');
        input.before(rater);
        
        // Mark element for initialization (once all stars are ready)
        rater.addClass('rating-to-be-drawn');
        
        // Accept readOnly setting from 'disabled' property
        if(input.attr('disabled')) control.readOnly = true;
        
        // Create 'cancel' button
        rater.append(
          control.cancel = $('<div class="rating-cancel"><a title="' + control.cancel + '">' + control.cancelValue + '</a></div>')
          .mouseover(function(){
            $(this).rating('drain');
            $(this).addClass('star-rating-hover');
            //$(this).rating('focus');
          })
          .mouseout(function(){
            $(this).rating('draw');
            $(this).removeClass('star-rating-hover');
            //$(this).rating('blur');
          })
          .click(function(){
           $(this).rating('select');
          })
          .data('rating', control)
        );
        
      }; // first element of group
      
      // insert rating star
      var star = $('<div class="star-rating rater-'+ control.serial +'"><a title="' + (this.title || this.value) + '">' + this.value + '</a></div>');
      rater.append(star);
      
      // inherit attributes from input element
      if(this.id) star.attr('id', this.id);
      if(this.className) star.addClass(this.className);
      
      // Half-stars?
      if(control.half) control.split = 2;
      
      // Prepare division control
      if(typeof control.split=='number' && control.split>0){
        var stw = ($.fn.width ? star.width() : 0) || control.starWidth;
        var spi = (control.count % control.split), spw = Math.floor(stw/control.split);
        star
        // restrict star's width and hide overflow (already in CSS)
        .width(spw)
        // move the star left by using a negative margin
        // this is work-around to IE's stupid box model (position:relative doesn't work)
        .find('a').css({ 'margin-left':'-'+ (spi*spw) +'px' })
      };
      
      // readOnly?
      if(control.readOnly)//{ //save a byte!
        // Mark star as readOnly so user can customize display
        star.addClass('star-rating-readonly');
      //}  //save a byte!
      else//{ //save a byte!
       // Enable hover css effects
        star.addClass('star-rating-live')
         // Attach mouse events
          .mouseover(function(){
            $(this).rating('fill');
            $(this).rating('focus');
          })
          .mouseout(function(){
            $(this).rating('draw');
            $(this).rating('blur');
          })
          .click(function(){
            $(this).rating('select');
          })
        ;
      //}; //save a byte!
      
      // set current selection
      if(this.checked)  control.current = star;
      
      // hide input element
      input.hide();
      
      // backward compatibility, form element to plugin
      input.change(function(){
    $(this).rating('select');
   });
      
      // attach reference to star to input element and vice-versa
      star.data('rating.input', input.data('rating.star', star));
      
      // store control information in form (or body when form not available)
      control.stars[control.stars.length] = star[0];
      control.inputs[control.inputs.length] = input[0];
      control.rater = raters[eid] = rater;
      control.context = context;
      
      input.data('rating', control);
      rater.data('rating', control);
      star.data('rating', control);
      context.data('rating', raters);
  }); // each element
    
    // Initialize ratings (first draw)
    $('.rating-to-be-drawn').rating('draw').removeClass('rating-to-be-drawn');
    
    return this; // don't break the chain...
  };
  
  /*--------------------------------------------------------*/
  
  /*
    ### Core functionality and API ###
  */
  $.extend($.fn.rating, {
    // Used to append a unique serial number to internal control ID
    // each time the plugin is invoked so same name controls can co-exist
    calls: 0,
    
    focus: function(){
      var control = this.data('rating'); if(!control) return this;
      if(!control.focus) return this; // quick fail if not required
      // find data for event
      var input = $(this).data('rating.input') || $( this.tagName=='INPUT' ? this : null );
   // focus handler, as requested by focusdigital.co.uk
      if(control.focus) control.focus.apply(input[0], [input.val(), $('a', input.data('rating.star'))[0]]);
    }, // $.fn.rating.focus
    
    blur: function(){
      var control = this.data('rating'); if(!control) return this;
      if(!control.blur) return this; // quick fail if not required
      // find data for event
      var input = $(this).data('rating.input') || $( this.tagName=='INPUT' ? this : null );
   // blur handler, as requested by focusdigital.co.uk
      if(control.blur) control.blur.apply(input[0], [input.val(), $('a', input.data('rating.star'))[0]]);
    }, // $.fn.rating.blur
    
    fill: function(){ // fill to the current mouse position.
      var control = this.data('rating'); if(!control) return this;
      // do not execute when control is in read-only mode
      if(control.readOnly) return;
      // Reset all stars and highlight them up to this element
      this.rating('drain');
      this.prevAll().andSelf().filter('.rater-'+ control.serial).addClass('star-rating-hover');
    },// $.fn.rating.fill
    
    drain: function() { // drain all the stars.
      var control = this.data('rating'); if(!control) return this;
      // do not execute when control is in read-only mode
      if(control.readOnly) return;
      // Reset all stars
      control.rater.children().filter('.rater-'+ control.serial).removeClass('star-rating-on').removeClass('star-rating-hover');
    },// $.fn.rating.drain
    
    draw: function(){ // set value and stars to reflect current selection
      var control = this.data('rating'); if(!control) return this;
      // Clear all stars
      this.rating('drain');
      // Set control value
      if(control.current){
        control.current.data('rating.input').attr('checked','checked');
        control.current.prevAll().andSelf().filter('.rater-'+ control.serial).addClass('star-rating-on');
      }
      else
       $(control.inputs).removeAttr('checked');
      // Show/hide 'cancel' button
      control.cancel[control.readOnly || control.required?'hide':'show']();
      // Add/remove read-only classes to remove hand pointer
      this.siblings()[control.readOnly?'addClass':'removeClass']('star-rating-readonly');
    },// $.fn.rating.draw
    
    select: function(value){ // select a value
      var control = this.data('rating'); if(!control) return this;
      // do not execute when control is in read-only mode
      if(control.readOnly) return;
      // clear selection
      control.current = null;
      // programmatically (based on user input)
      if(typeof value!='undefined'){
       // select by index (0 based)
        if(typeof value=='number')
       return $(control.stars[value]).rating('select');
        // select by literal value (must be passed as a string
        if(typeof value=='string')
          //return 
          $.each(control.stars, function(){
            if($(this).data('rating.input').val()==value) $(this).rating('select');
          });
      }
      else
        control.current = this[0].tagName=='INPUT' ? 
         this.data('rating.star') : 
          (this.is('.rater-'+ control.serial) ? this : null);
      
      // Update rating control state
      this.data('rating', control);
      // Update display
      this.rating('draw');
      // find data for event
      var input = $( control.current ? control.current.data('rating.input') : null );
      // click callback, as requested here: http://plugins.jquery.com/node/1655
      if(control.callback) control.callback.apply(input[0], [input.val(), $('a', control.current)[0]]);// callback event
    },// $.fn.rating.select
    
    readOnly: function(toggle, disable){ // make the control read-only (still submits value)
      var control = this.data('rating'); if(!control) return this;
      // setread-only status
      control.readOnly = toggle || toggle==undefined ? true : false;
      // enable/disable control value submission
      if(disable) $(control.inputs).attr("disabled", "disabled");
      else          $(control.inputs).removeAttr("disabled");
      // Update rating control state
      this.data('rating', control);
      // Update display
      this.rating('draw');
    },// $.fn.rating.readOnly
    
    disable: function(){ // make read-only and never submit value
      this.rating('readOnly', true, true);
    },// $.fn.rating.disable
    
    enable: function(){ // make read/write and submit value
      this.rating('readOnly', false, false);
    }// $.fn.rating.select
    
 });
  
  /*--------------------------------------------------------*/
  
  /*
    ### Default Settings ###
    eg.: You can override default control like this:
    $.fn.rating.options.cancel = 'Clear';
  */
  $.fn.rating.options = { //$.extend($.fn.rating, { options: {
      cancel: 'Cancel Rating',   // advisory title for the 'cancel' link
      cancelValue: '',           // value to submit when user click the 'cancel' link
      split: 0,                  // split the star into how many parts?
      
      // Width of star image in case the plugin can't work it out. This can happen if
      // the jQuery.dimensions plugin is not available OR the image is hidden at installation
      starWidth: 16//,
      
      //NB.: These don't need to be pre-defined (can be undefined/null) so let's save some code!
      //half:     false,         // just a shortcut to control.split = 2
      //required: false,         // disables the 'cancel' button so user can only select one of the specified values
      //readOnly: false,         // disable rating plugin interaction/ values cannot be changed
      //focus:    function(){},  // executed when stars are focused
      //blur:     function(){},  // executed when stars are focused
      //callback: function(){},  // executed when a star is clicked
 }; //} });
  
  /*--------------------------------------------------------*/
  
  /*
    ### Default implementation ###
    The plugin will attach itself to file inputs
    with the class 'multi' when the page loads
  */
  $(function(){
   $('input[type=radio].star').rating();
  });
  
  
  
/*# AVOID COLLISIONS #*/
})(jQuery);
/*# AVOID COLLISIONS #*/

