|
1 IriSP.Widgets.Sparkline = function(player, config) { |
|
2 IriSP.Widgets.Widget.call(this, player, config); |
|
3 }; |
|
4 |
|
5 IriSP.Widgets.Sparkline.prototype = new IriSP.Widgets.Widget(); |
|
6 |
|
7 IriSP.Widgets.Sparkline.prototype.defaults = { |
|
8 lineColor : "#7492b4", |
|
9 fillColor : "#aeaeb8", |
|
10 lineWidth : 2, |
|
11 slice_count : 20, |
|
12 height : 50, |
|
13 margin : 5 |
|
14 }; |
|
15 |
|
16 IriSP.Widgets.Sparkline.prototype.draw = function() { |
|
17 var _slices = [], |
|
18 _duration = this.source.getDuration(), |
|
19 _max = 0, |
|
20 _list = this.getWidgetAnnotations(); |
|
21 for (var _i = 0; _i < this.slice_count; _i++) { |
|
22 var _begin = (_i*_duration/this.slice_count), |
|
23 _end = ((_i+1)*_duration/this.slice_count), |
|
24 _volume = 0; |
|
25 _list.forEach(function(_annotation) { |
|
26 if (_annotation.begin < _end && _annotation.end >= _begin) { |
|
27 var _d = _annotation.getDuration().milliseconds; |
|
28 if (!_d) { |
|
29 _volume += 1; |
|
30 } else { |
|
31 _volume += (Math.min(_annotation.end, _end) - Math.max(_annotation.begin, _begin)) / _d; |
|
32 } |
|
33 } |
|
34 }); |
|
35 _max = Math.max(_max, _volume); |
|
36 _slices.push(_volume); |
|
37 } |
|
38 if (!_max) { |
|
39 return; |
|
40 } |
|
41 this.paper = new Raphael(this.$[0], this.width, this.height); |
|
42 var _scale = (this.height - this.margin) / _max, |
|
43 _width = this.width / this.slice_count, |
|
44 _this = this, |
|
45 _y = IriSP._(_slices).map(function(_v) { |
|
46 return _this.margin + _this.height - (_scale * _v); |
|
47 }), |
|
48 _d = IriSP._(_y).reduce(function(_memo, _v, _k) { |
|
49 return _memo + ( _k |
|
50 ? 'C' + (_k * _width) + ' ' + _y[_k - 1] + ' ' + (_k * _width) + ' ' + _v + ' ' + ((_k + .5) * _width) + ' ' + _v |
|
51 : 'M0 ' + _v + 'L' + (.5*_width) + ' ' + _v ); |
|
52 },'') + 'L' + this.width + ' ' + _y[_y.length - 1], |
|
53 _d2 = _d + 'L' + this.width + ' ' + this.height + 'L0 ' + this.height; |
|
54 |
|
55 this.paper.path(_d2).attr({ |
|
56 "stroke" : "none", |
|
57 "fill" : this.fillColor |
|
58 }); |
|
59 |
|
60 this.paper.path(_d).attr({ |
|
61 "fill" : "none", |
|
62 "stroke" : this.lineColor, |
|
63 "stroke-width" : this.lineWidth |
|
64 }); |
|
65 |
|
66 this.rectangleProgress = this.paper.rect(0,0,0,this.height) |
|
67 .attr({ |
|
68 "stroke" : "none", |
|
69 "fill" : "#808080", |
|
70 "opacity" : .3 |
|
71 }); |
|
72 |
|
73 this.ligneProgress = this.paper.path("M0 0L0 "+this.height).attr({"stroke":"#ff00ff", "line-width" : 2}); |
|
74 |
|
75 this.$.click(function(_e) { |
|
76 var _x = _e.pageX - _this.$.offset().left; |
|
77 _this.media.setCurrentTime(_this.media.duration * _x / _this.width); |
|
78 }); |
|
79 |
|
80 this.onMediaEvent("timeupdate","onTimeupdate"); |
|
81 }; |
|
82 |
|
83 IriSP.Widgets.Sparkline.prototype.onTimeupdate = function(_time) { |
|
84 var _x = Math.floor( this.width * _time / this.media.duration); |
|
85 this.rectangleProgress.attr({ |
|
86 "width" : _x |
|
87 }); |
|
88 this.ligneProgress.attr({ |
|
89 "path" : "M" + _x + " 0L" + _x + " " + this.height |
|
90 }); |
|
91 }; |