【文件属性】：
文件名称：jquery五角星评分效果代码
文件大小：70KB
文件格式：RAR
更新时间：2022-05-04 01:36:05
jquery
;(function($) {
var methods = {
init: function(settings) {
return this.each(function() {
var self = this,
$this = $(self).empty();
self.opt = $.extend(true, {}, $.fn.raty.defaults, settings);
$this.data('settings', self.opt);
self.opt.number = methods.between(self.opt.number, 0, 20);
if (self.opt.path.substring(self.opt.path.length - 1, self.opt.path.length) != '/') {
self.opt.path += '/';
}
if (typeof self.opt.score == 'function') {
self.opt.score = self.opt.score.call(self);
}
if (self.opt.score) {
self.opt.score = methods.between(self.opt.score, 0, self.opt.number);
}
for (var i = 1; i <= self.opt.number; i++) {
$('![]()
', {
src : self.opt.path + ((!self.opt.score || self.opt.score < i) ? self.opt.starOff : self.opt.starOn),
alt : i,
title : (i <= self.opt.hints.length && self.opt.hints[i - 1] !== null) ? self.opt.hints[i - 1] : i
}).appendTo(self);
if (self.opt.space) {
$this.append((i < self.opt.number) ? ' ' : '');
}
}
self.stars = $this.children('img:not(".raty-cancel")');
self.score = $('<input />', { type: 'hidden', name: self.opt.scoreName }).appendTo(self);
if (self.opt.score && self.opt.score > 0) {
self.score.val(self.opt.score);
methods.roundStar.call(self, self.opt.score);
}
if (self.opt.iconRange) {
methods.fill.call(self, self.opt.score);
}
methods.setTarget.call(self, self.opt.score, self.opt.targetKeep);
var space = self.opt.space ? 4 : 0,
width = self.opt.width || (self.opt.number * self.opt.size + self.opt.number * space);
if (self.opt.cancel) {
self.cancel = $('![]()
', { src: self.opt.path + self.opt.cancelOff, alt: 'x', title: self.opt.cancelHint, 'class': 'raty-cancel' });
if (self.opt.cancelPlace == 'left') {
$this.prepend(' ').prepend(self.cancel);
} else {
$this.append(' ').append(self.cancel);
}
width += (self.opt.size + space);
}
if (self.opt.readOnly) {
methods.fixHint.call(self);
if (self.cancel) {
self.cancel.hide();
}
} else {
$this.css('cursor', 'pointer');
methods.bindAction.call(self);
}
$this.css('width', width);
});
}, between: function(value, min, max) {
return Math.min(Math.max(parseFloat(value), min), max);
}, bindAction: function() {
var self = this,
$this = $(self);
$this.mouseleave(function() {
var score = self.score.val() || undefined;
methods.initialize.call(self, score);
methods.setTarget.call(self, score, self.opt.targetKeep);
if (self.opt.mouseover) {
self.opt.mouseover.call(self, score);
}
});
var action = self.opt.half ? 'mousemove' : 'mouseover';
if (self.opt.cancel) {
self.cancel.mouseenter(function() {
$(this).attr('src', self.opt.path + self.opt.cancelOn);
self.stars.attr('src', self.opt.path + self.opt.starOff);
methods.setTarget.call(self, null, true);
if (self.opt.mouseover) {
self.opt.mouseover.call(self, null);
}
}).mouseleave(function() {
$(this).attr('src', self.opt.path + self.opt.cancelOff);
if (self.opt.mouseover) {
self.opt.mouseover.call(self, self.score.val() || null);
}
}).click(function(evt) {
self.score.removeAttr('value');
if (self.opt.click) {
self.opt.click.call(self, null, evt);
}
});
}
self.stars.bind(action, function(evt) {
var value = parseInt(this.alt, 10);
if (self.opt.half) {
var position = parseFloat((evt.pageX - $(this).offset().left) / self.opt.size),
diff = (position > .5) ? 1 : .5;
value = parseFloat(this.alt) - 1 + diff;
methods.fill.call(self, value);
if (self.opt.precision) {
value = value - diff + position;
}
methods.showHalf.call(self, value);
} else {
methods.fill.call(self, value);
}
$this.data('score', value);
methods.setTarget.call(self, value, true);
if (self.opt.mouseover) {
self.opt.mouseover.call(self, value, evt);
}
}).click(function(evt) {
self.score.val((self.opt.half || self.opt.precision) ? $this.data('score') : this.alt);
if (self.opt.click) {
self.opt.click.call(self, self.score.val(), evt);
}
});
}, cancel: function(isClick) {
return $(this).each(function() {
var self = this,
$this = $(self);
if ($this.data('readonly') === true) {
return this;
}
if (isClick) {
methods.click.call(self, null);
} else {
methods.score.call(self, null);
}
self.score.removeAttr('value');
});
}, click: function(score) {
return $(this).each(function() {
if ($(this).data('readonly') === true) {
return this;
}
methods.initialize.call(this, score);
if (this.opt.click) {
this.opt.click.call(this, score);
} else {
methods.error.call(this, 'you must add the "click: function(score, evt) { }" callback.');
}
methods.setTarget.call(this, score, true);
});
}, error: function(message) {
$(this).html(message);
$.error(message);
}, fill: function(score) {
var self = this,
number = self.stars.length,
count = 0,
$star ,
star ,
icon ;
for (var i = 1; i <= number; i++) {
$star = self.stars.eq(i - 1);
if (self.opt.iconRange && self.opt.iconRange.length > count) {
star = self.opt.iconRange[count];
if (self.opt.single) {
icon = (i == score) ? (star.on || self.opt.starOn) : (star.off || self.opt.starOff);
} else {
icon = (i <= score) ? (star.on || self.opt.starOn) : (star.off || self.opt.starOff);
}
if (i <= star.range) {
$star.attr('src', self.opt.path + icon);
}
if (i == star.range) {
count++;
}
} else {
if (self.opt.single) {
icon = (i == score) ? self.opt.starOn : self.opt.starOff;
} else {
icon = (i <= score) ? self.opt.starOn : self.opt.starOff;
}
$star.attr('src', self.opt.path + icon);
}
}
}, fixHint: function() {
var $this = $(this),
score = parseInt(this.score.val(), 10),
hint = this.opt.noRatedMsg;
if (!isNaN(score) && score > 0) {
hint = (score <= this.opt.hints.length && this.opt.hints[score - 1] !== null) ? this.opt.hints[score - 1] : score;
}
$this.data('readonly', true).css('cursor', 'default').attr('title', hint);
this.score.attr('readonly', 'readonly');
this.stars.attr('title', hint);
}, getScore: function() {
var score = [],
value ;
$(this).each(function() {
value = this.score.val();
score.push(value ? parseFloat(value) : undefined);
});
return (score.length > 1) ? score : score[0];
}, readOnly: function(isReadOnly) {
return this.each(function() {
var $this = $(this);
if ($this.data('readonly') === isReadOnly) {
return this;
}
if (this.cancel) {
if (isReadOnly) {
this.cancel.hide();
} else {
this.cancel.show();
}
}
if (isReadOnly) {
$this.unbind();
$this.children('img').unbind();
methods.fixHint.call(this);
} else {
methods.bindAction.call(this);
methods.unfixHint.call(this);
}
$this.data('readonly', isReadOnly);
});
}, reload: function() {
return methods.set.call(this, {});
}, roundStar: function(score) {
var diff = (score - Math.floor(score)).toFixed(2);
if (diff > this.opt.round.down) {
var icon = this.opt.starOn; // Full up: [x.76 .. x.99]
if (diff < this.opt.round.up && this.opt.halfShow) { // Half: [x.26 .. x.75]
icon = this.opt.starHalf;
} else if (diff < this.opt.round.full) { // Full down: [x.00 .. x.5]
icon = this.opt.starOff;
}
this.stars.eq(Math.ceil(score) - 1).attr('src', this.opt.path + icon);
} // Full down: [x.00 .. x.25]
}, score: function() {
return arguments.length ? methods.setScore.apply(this, arguments) : methods.getScore.call(this);
}, set: function(settings) {
this.each(function() {
var $this = $(this),
actual = $this.data('settings'),
clone = $this.clone().removeAttr('style').insertBefore($this);
$this.remove();
clone.raty($.extend(actual, settings));
});
return $(this.selector);
}, setScore: function(score) {
return $(this).each(function() {
if ($(this).data('readonly') === true) {
return this;
}
methods.initialize.call(this, score);
methods.setTarget.call(this, score, true);
});
}, setTarget: function(value, isKeep) {
if (this.opt.target) {
var $target = $(this.opt.target);
if ($target.length == 0) {
methods.error.call(this, 'target selector invalid or missing!');
}
var score = value;
if (!isKeep || score === undefined) {
score = this.opt.targetText;
} else {
if (this.opt.targetType == 'hint') {
score = (score === null && this.opt.cancel)
? this.opt.cancelHint
: this.opt.hints[Math.ceil(score - 1)];
} else {
score = this.opt.precision
? parseFloat(score).toFixed(1)
: parseInt(score, 10);
}
}
if (this.opt.targetFormat.indexOf('{score}') < 0) {
methods.error.call(this, 'template "{score}" missing!');
}
if (value !== null) {
score = this.opt.targetFormat.toString().replace('{score}', score);
}
if ($target.is(':input')) {
$target.val(score);
} else {
$target.html(score);
}
}
}, showHalf: function(score) {
var diff = (score - Math.floor(score)).toFixed(1);
if (diff > 0 && diff < .6) {
this.stars.eq(Math.ceil(score) - 1).attr('src', this.opt.path + this.opt.starHalf);
}
}, initialize: function(score) {
score = !score ? 0 : methods.between(score, 0, this.opt.number);
methods.fill.call(this, score);
if (score > 0) {
if (this.opt.halfShow) {
methods.roundStar.call(this, score);
}
this.score.val(score);
}
}, unfixHint: function() {
for (var i = 0; i < this.opt.number; i++) {
this.stars.eq(i).attr('title', (i < this.opt.hints.length && this.opt.hints[i] !== null) ? this.opt.hints[i] : i);
}
$(this).data('readonly', false).css('cursor', 'pointer').removeAttr('title');
this.score.attr('readonly', 'readonly');
}
};
$.fn.raty = function(method) {
if (methods[method]) {
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || !method) {
return methods.init.apply(this, arguments);
} else {
$.error('Method ' + method + ' does not exist!');
}
};
$.fn.raty.defaults = {
cancel : false,
cancelHint : 'cancel this rating!',
cancelOff : 'cancel-off.png',
cancelOn : 'cancel-on.png',
cancelPlace : 'left',
click : undefined,
half : false,
halfShow : true,
hints : ['10', '20', '30', '40', '50', '60', '70', '80', '90', '100' ],
iconRange : undefined,
mouseover : undefined,
noRatedMsg : 'not rated yet',
number : 10,
path : 'img/',
precision : false,
round : { down: .25, full: .6, up: .76 },
readOnly : false,
score : undefined,
scoreName : 'score',
single : false,
size : 16,
space : true,
starHalf : 'star-half.png',
starOff : 'star-off.png',
starOn : 'star-on.png',
target : undefined,
targetFormat : '{score}',
targetKeep : false,
targetText : '',
targetType : 'hint',
width : undefined
};
})(jQuery);
