slider.js
4.29 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
/**
* slider插件可悬停控制
*/
; $(function ($, window, document, undefined) {
Slider = function (container, options) {
/*
options = {
auto: true,
time: 3000,
event: 'hover' | 'click',
mode: 'slide | fade',
controller: $(),
activeControllerCls: 'className',
exchangeEnd: $.noop
}
*/
"use strict"; //stirct mode not support by IE9-
if (!container) return;
var options = options || {},
currentIndex = 0,
cls = options.activeControllerCls,
delay = options.delay,
isAuto = options.auto,
controller = options.controller,
event = options.event,
interval,
slidesWrapper = container.children().first(),
slides = slidesWrapper.children(),
length = slides.length,
childWidth = container.width(),
totalWidth = childWidth * slides.length;
function init() {
var controlItem = controller.children();
mode();
event == 'hover' ? controlItem.mouseover(function () {
stop();
var index = $(this).index();
play(index, options.mode);
}).mouseout(function () {
isAuto && autoPlay();
}) : controlItem.click(function () {
stop();
var index = $(this).index();
play(index, options.mode);
isAuto && autoPlay();
});
isAuto && autoPlay();
}
//animate mode
function mode() {
var wrapper = container.children().first();
options.mode == 'slide' ? wrapper.width(totalWidth) : wrapper.children().css({
'position': 'absolute',
'left': 0,
'top': 0
})
.first().siblings().hide();
}
//auto play
function autoPlay() {
interval = setInterval(function () {
triggerPlay(currentIndex);
}, options.time);
}
//trigger play
function triggerPlay(cIndex) {
var index;
(cIndex == length - 1) ? index = 0 : index = cIndex + 1;
play(index, options.mode);
}
//play
function play(index, mode) {
slidesWrapper.stop(true, true);
slides.stop(true, true);
mode == 'slide' ? (function () {
if (index > currentIndex) {
slidesWrapper.animate({
left: '-=' + Math.abs(index - currentIndex) * childWidth + 'px'
}, delay);
} else if (index < currentIndex) {
slidesWrapper.animate({
left: '+=' + Math.abs(index - currentIndex) * childWidth + 'px'
}, delay);
} else {
return;
}
})() : (function () {
if (slidesWrapper.children(':visible').index() == index) return;
slidesWrapper.children().fadeOut(delay).eq(index).fadeIn(delay);
})();
try {
controller.children('.' + cls).removeClass(cls);
controller.children().eq(index).addClass(cls);
} catch (e) { }
currentIndex = index;
options.exchangeEnd && typeof options.exchangeEnd == 'function' && options.exchangeEnd.call(this, currentIndex);
}
//stop
function stop() {
clearInterval(interval);
}
//prev frame
function prev() {
stop();
currentIndex == 0 ? triggerPlay(length - 2) : triggerPlay(currentIndex - 2);
isAuto && autoPlay();
}
//next frame
function next() {
stop();
currentIndex == length - 1 ? triggerPlay(-1) : triggerPlay(currentIndex);
isAuto && autoPlay();
}
//init
init();
//expose the Slider API
return {
prev: function () {
prev();
},
next: function () {
next();
}
}
};
}(jQuery, window, document));