377 lines
14 KiB
JavaScript
Executable file
377 lines
14 KiB
JavaScript
Executable file
/*
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### jQuery Star Rating Plugin v4.11 - 2013-03-14 ###
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* Home: http://www.fyneworks.com/jquery/star-rating/
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* Code: http://code.google.com/p/jquery-star-rating-plugin/
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*
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* Licensed under http://en.wikipedia.org/wiki/MIT_License
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###
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*/
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/*# AVOID COLLISIONS #*/
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;if(window.jQuery) (function($){
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/*# AVOID COLLISIONS #*/
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// IE6 Background Image Fix
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if ((!$.support.opacity && !$.support.style)) try { document.execCommand("BackgroundImageCache", false, true)} catch(e) { };
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// Thanks to http://www.visualjquery.com/rating/rating_redux.html
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// plugin initialization
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$.fn.rating = function(options){
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if(this.length==0) return this; // quick fail
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// Handle API methods
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if(typeof arguments[0]=='string'){
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// Perform API methods on individual elements
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if(this.length>1){
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var args = arguments;
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return this.each(function(){
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$.fn.rating.apply($(this), args);
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});
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};
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// Invoke API method handler
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$.fn.rating[arguments[0]].apply(this, $.makeArray(arguments).slice(1) || []);
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// Quick exit...
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return this;
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};
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// Initialize options for this call
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var options = $.extend(
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{}/* new object */,
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$.fn.rating.options/* default options */,
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options || {} /* just-in-time options */
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);
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// Allow multiple controls with the same name by making each call unique
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$.fn.rating.calls++;
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// loop through each matched element
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this
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.not('.star-rating-applied')
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.addClass('star-rating-applied')
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.each(function(){
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// Load control parameters / find context / etc
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var control, input = $(this);
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var eid = (this.name || 'unnamed-rating').replace(/\[|\]/g, '_').replace(/^\_+|\_+$/g,'');
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var context = $(this.form || document.body);
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// FIX: http://code.google.com/p/jquery-star-rating-plugin/issues/detail?id=23
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var raters = context.data('rating');
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if(!raters || raters.call!=$.fn.rating.calls) raters = { count:0, call:$.fn.rating.calls };
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var rater = raters[eid] || context.data('rating'+eid);
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// if rater is available, verify that the control still exists
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if(rater) control = rater.data('rating');
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if(rater && control)//{// save a byte!
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// add star to control if rater is available and the same control still exists
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control.count++;
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//}// save a byte!
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else{
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// create new control if first star or control element was removed/replaced
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// Initialize options for this rater
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control = $.extend(
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{}/* new object */,
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options || {} /* current call options */,
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($.metadata? input.metadata(): ($.meta?input.data():null)) || {}, /* metadata options */
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{ count:0, stars: [], inputs: [] }
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);
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// increment number of rating controls
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control.serial = raters.count++;
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// create rating element
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rater = $('<span class="star-rating-control"/>');
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input.before(rater);
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// Mark element for initialization (once all stars are ready)
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rater.addClass('rating-to-be-drawn');
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// Accept readOnly setting from 'disabled' property
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if(input.attr('disabled') || input.hasClass('disabled')) control.readOnly = true;
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// Accept required setting from class property (class='required')
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if(input.hasClass('required')) control.required = true;
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// Create 'cancel' button
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rater.append(
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control.cancel = $('<div class="rating-cancel"><a title="' + control.cancel + '">' + control.cancelValue + '</a></div>')
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.on('mouseover',function(){
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$(this).rating('drain');
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$(this).addClass('star-rating-hover');
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//$(this).rating('focus');
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})
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.on('mouseout',function(){
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$(this).rating('draw');
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$(this).removeClass('star-rating-hover');
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//$(this).rating('blur');
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})
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.on('click',function(){
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$(this).rating('select');
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})
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.data('rating', control)
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);
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}; // first element of group
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// insert rating star (thanks Jan Fanslau rev125 for blind support https://code.google.com/p/jquery-star-rating-plugin/issues/detail?id=125)
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var star = $('<div role="text" aria-label="'+ this.title +'" class="star-rating rater-'+ control.serial +'"><a title="' + (this.title || this.value) + '">' + this.value + '</a></div>');
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rater.append(star);
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// inherit attributes from input element
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if(this.id) star.attr('id', this.id);
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if(this.className) star.addClass(this.className);
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// Half-stars?
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if(control.half) control.split = 2;
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// Prepare division control
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if(typeof control.split=='number' && control.split>0){
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var stw = ($.fn.width ? star.width() : 0) || control.starWidth;
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var spi = (control.count % control.split), spw = Math.floor(stw/control.split);
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star
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// restrict star's width and hide overflow (already in CSS)
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.width(spw)
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// move the star left by using a negative margin
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// this is work-around to IE's stupid box model (position:relative doesn't work)
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.find('a').css({ 'margin-left':'-'+ (spi*spw) +'px' })
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};
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// readOnly?
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if(control.readOnly)//{ //save a byte!
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// Mark star as readOnly so user can customize display
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star.addClass('star-rating-readonly');
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//} //save a byte!
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else//{ //save a byte!
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// Enable hover css effects
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star.addClass('star-rating-live')
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// Attach mouse events
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.on('mouseover',function(){
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$(this).rating('fill');
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$(this).rating('focus');
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})
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.on('mouseout',function(){
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$(this).rating('draw');
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$(this).rating('blur');
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})
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.on('click',function(){
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$(this).rating('select');
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})
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;
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//}; //save a byte!
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// set current selection
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if(this.checked) control.current = star;
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// set current select for links
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if(this.nodeName=="A"){
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if($(this).hasClass('selected'))
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control.current = star;
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};
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// hide input element
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input.hide();
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// backward compatibility, form element to plugin
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input.on('change.rating',function(event){
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if(event.selfTriggered) return false;
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$(this).rating('select');
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});
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// attach reference to star to input element and vice-versa
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star.data('rating.input', input.data('rating.star', star));
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// store control information in form (or body when form not available)
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control.stars[control.stars.length] = star[0];
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control.inputs[control.inputs.length] = input[0];
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control.rater = raters[eid] = rater;
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control.context = context;
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input.data('rating', control);
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rater.data('rating', control);
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star.data('rating', control);
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context.data('rating', raters);
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context.data('rating'+eid, rater); // required for ajax forms
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}); // each element
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// Initialize ratings (first draw)
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$('.rating-to-be-drawn').rating('draw').removeClass('rating-to-be-drawn');
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return this; // don't break the chain...
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};
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/*--------------------------------------------------------*/
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/*
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### Core functionality and API ###
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*/
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$.extend($.fn.rating, {
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// Used to append a unique serial number to internal control ID
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// each time the plugin is invoked so same name controls can co-exist
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calls: 0,
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focus: function(){
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var control = this.data('rating'); if(!control) return this;
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if(!control.focus) return this; // quick fail if not required
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// find data for event
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var input = $(this).data('rating.input') || $( this.tagName=='INPUT' ? this : null );
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// focus handler, as requested by focusdigital.co.uk
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if(control.focus) control.focus.apply(input[0], [input.val(), $('a', input.data('rating.star'))[0]]);
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}, // $.fn.rating.focus
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blur: function(){
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var control = this.data('rating'); if(!control) return this;
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if(!control.blur) return this; // quick fail if not required
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// find data for event
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var input = $(this).data('rating.input') || $( this.tagName=='INPUT' ? this : null );
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// blur handler, as requested by focusdigital.co.uk
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if(control.blur) control.blur.apply(input[0], [input.val(), $('a', input.data('rating.star'))[0]]);
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}, // $.fn.rating.blur
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fill: function(){ // fill to the current mouse position.
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var control = this.data('rating'); if(!control) return this;
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// do not execute when control is in read-only mode
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if(control.readOnly) return;
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// Reset all stars and highlight them up to this element
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this.rating('drain');
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this.prevAll().addBack().filter('.rater-'+ control.serial).addClass('star-rating-hover');
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},// $.fn.rating.fill
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drain: function() { // drain all the stars.
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var control = this.data('rating'); if(!control) return this;
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// do not execute when control is in read-only mode
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if(control.readOnly) return;
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// Reset all stars
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control.rater.children().filter('.rater-'+ control.serial).removeClass('star-rating-on').removeClass('star-rating-hover');
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},// $.fn.rating.drain
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draw: function(){ // set value and stars to reflect current selection
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var control = this.data('rating'); if(!control) return this;
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// Clear all stars
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this.rating('drain');
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// Set control value
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var current = $( control.current );//? control.current.data('rating.input') : null );
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var starson = current.length ? current.prevAll().addBack().filter('.rater-'+ control.serial) : null;
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if(starson) starson.addClass('star-rating-on');
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// Show/hide 'cancel' button
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control.cancel[control.readOnly || control.required?'hide':'show']();
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// Add/remove read-only classes to remove hand pointer
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this.siblings()[control.readOnly?'addClass':'removeClass']('star-rating-readonly');
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},// $.fn.rating.draw
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select: function(value,wantCallBack){ // select a value
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var control = this.data('rating'); if(!control) return this;
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// do not execute when control is in read-only mode
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if(control.readOnly) return;
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// clear selection
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control.current = null;
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// programmatically (based on user input)
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if(typeof value!='undefined' || this.length>1){
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// select by index (0 based)
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if(typeof value=='number')
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return $(control.stars[value]).rating('select',undefined,wantCallBack);
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// select by literal value (must be passed as a string
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if(typeof value=='string'){
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//return
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$.each(control.stars, function(){
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//console.log($(this).data('rating.input'), $(this).data('rating.input').val(), value, $(this).data('rating.input').val()==value?'BINGO!':'');
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if($(this).data('rating.input').val()==value) $(this).rating('select',undefined,wantCallBack);
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});
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// don't break the chain
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return this;
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};
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}
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else{
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control.current = this[0].tagName=='INPUT' ?
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this.data('rating.star') :
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(this.is('.rater-'+ control.serial) ? this : null);
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};
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// Update rating control state
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this.data('rating', control);
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// Update display
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this.rating('draw');
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// find current input and its sibblings
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var current = $( control.current ? control.current.data('rating.input') : null );
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var lastipt = $( control.inputs ).filter(':checked');
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var deadipt = $( control.inputs ).not(current);
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// check and uncheck elements as required
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deadipt.prop('checked',false);//.removeAttr('checked');
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current.prop('checked',true);//.attr('checked','checked');
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// trigger change on current or last selected input
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$(current.length? current : lastipt ).trigger({ type:'change', selfTriggered:true });
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// click callback, as requested here: http://plugins.jquery.com/node/1655
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if((wantCallBack || wantCallBack == undefined) && control.callback) control.callback.apply(current[0], [current.val(), $('a', control.current)[0]]);// callback event
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// don't break the chain
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return this;
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},// $.fn.rating.select
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readOnly: function(toggle, disable){ // make the control read-only (still submits value)
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var control = this.data('rating'); if(!control) return this;
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// setread-only status
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control.readOnly = toggle || toggle==undefined ? true : false;
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// enable/disable control value submission
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if(disable) $(control.inputs).attr("disabled", "disabled");
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else $(control.inputs).removeAttr("disabled");
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// Update rating control state
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this.data('rating', control);
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// Update display
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this.rating('draw');
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},// $.fn.rating.readOnly
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disable: function(){ // make read-only and never submit value
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this.rating('readOnly', true, true);
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},// $.fn.rating.disable
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enable: function(){ // make read/write and submit value
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this.rating('readOnly', false, false);
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}// $.fn.rating.select
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});
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/*--------------------------------------------------------*/
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/*
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### Default Settings ###
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eg.: You can override default control like this:
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$.fn.rating.options.cancel = 'Clear';
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*/
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$.fn.rating.options = { //$.extend($.fn.rating, { options: {
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cancel: 'Cancel Rating', // advisory title for the 'cancel' link
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cancelValue: '', // value to submit when user click the 'cancel' link
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split: 0, // split the star into how many parts?
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// Width of star image in case the plugin can't work it out. This can happen if
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// the jQuery.dimensions plugin is not available OR the image is hidden at installation
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starWidth: 16//,
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//NB.: These don't need to be pre-defined (can be undefined/null) so let's save some code!
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//half: false, // just a shortcut to control.split = 2
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//required: false, // disables the 'cancel' button so user can only select one of the specified values
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//readOnly: false, // disable rating plugin interaction/ values cannot be.one('change', //focus: function(){}, // executed when stars are focused
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//blur: function(){}, // executed when stars are focused
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//callback: function(){}, // executed when a star is clicked
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}; //} });
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/*--------------------------------------------------------*/
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// auto-initialize plugin
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$(function(){
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$('input[type=radio].star').rating();
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});
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/*# AVOID COLLISIONS #*/
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})(jQuery);
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/*# AVOID COLLISIONS #*/
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