--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/metadataplayer/Sparkline.js Fri Oct 18 17:54:44 2013 +0200
@@ -0,0 +1,91 @@
+IriSP.Widgets.Sparkline = function(player, config) {
+ IriSP.Widgets.Widget.call(this, player, config);
+};
+
+IriSP.Widgets.Sparkline.prototype = new IriSP.Widgets.Widget();
+
+IriSP.Widgets.Sparkline.prototype.defaults = {
+ lineColor : "#7492b4",
+ fillColor : "#aeaeb8",
+ lineWidth : 2,
+ slice_count : 20,
+ height : 50,
+ margin : 5
+};
+
+IriSP.Widgets.Sparkline.prototype.draw = function() {
+ var _slices = [],
+ _duration = this.source.getDuration(),
+ _max = 0,
+ _list = this.getWidgetAnnotations();
+ for (var _i = 0; _i < this.slice_count; _i++) {
+ var _begin = (_i*_duration/this.slice_count),
+ _end = ((_i+1)*_duration/this.slice_count),
+ _volume = 0;
+ _list.forEach(function(_annotation) {
+ if (_annotation.begin < _end && _annotation.end >= _begin) {
+ var _d = _annotation.getDuration().milliseconds;
+ if (!_d) {
+ _volume += 1;
+ } else {
+ _volume += (Math.min(_annotation.end, _end) - Math.max(_annotation.begin, _begin)) / _d;
+ }
+ }
+ });
+ _max = Math.max(_max, _volume);
+ _slices.push(_volume);
+ }
+ if (!_max) {
+ return;
+ }
+ this.paper = new Raphael(this.$[0], this.width, this.height);
+ var _scale = (this.height - this.margin) / _max,
+ _width = this.width / this.slice_count,
+ _this = this,
+ _y = IriSP._(_slices).map(function(_v) {
+ return _this.margin + _this.height - (_scale * _v);
+ }),
+ _d = IriSP._(_y).reduce(function(_memo, _v, _k) {
+ return _memo + ( _k
+ ? 'C' + (_k * _width) + ' ' + _y[_k - 1] + ' ' + (_k * _width) + ' ' + _v + ' ' + ((_k + .5) * _width) + ' ' + _v
+ : 'M0 ' + _v + 'L' + (.5*_width) + ' ' + _v );
+ },'') + 'L' + this.width + ' ' + _y[_y.length - 1],
+ _d2 = _d + 'L' + this.width + ' ' + this.height + 'L0 ' + this.height;
+
+ this.paper.path(_d2).attr({
+ "stroke" : "none",
+ "fill" : this.fillColor
+ });
+
+ this.paper.path(_d).attr({
+ "fill" : "none",
+ "stroke" : this.lineColor,
+ "stroke-width" : this.lineWidth
+ });
+
+ this.rectangleProgress = this.paper.rect(0,0,0,this.height)
+ .attr({
+ "stroke" : "none",
+ "fill" : "#808080",
+ "opacity" : .3
+ });
+
+ this.ligneProgress = this.paper.path("M0 0L0 "+this.height).attr({"stroke":"#ff00ff", "line-width" : 2});
+
+ this.$.click(function(_e) {
+ var _x = _e.pageX - _this.$.offset().left;
+ _this.media.setCurrentTime(_this.media.duration * _x / _this.width);
+ });
+
+ this.onMediaEvent("timeupdate","onTimeupdate");
+};
+
+IriSP.Widgets.Sparkline.prototype.onTimeupdate = function(_time) {
+ var _x = Math.floor( this.width * _time / this.media.duration);
+ this.rectangleProgress.attr({
+ "width" : _x
+ });
+ this.ligneProgress.attr({
+ "path" : "M" + _x + " 0L" + _x + " " + this.height
+ });
+};