--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/js/widgets/sparklineWidget.js	Fri Apr 06 16:55:34 2012 +0200
@@ -0,0 +1,143 @@
+/** @class The constructor for the sparkline widget */
+IriSP.SparklineWidget = function(Popcorn, config, Serializer) {
+  IriSP.Widget.call(this, Popcorn, config, Serializer);
+
+  this._oldAnnotation = null;
+  this._results = [];
+  
+  this.slices = this._config.slices || Math.floor(this.width/20);
+  if (!this.width) {
+      this.width = this.selector.width();
+  }
+  if (!this.height) {
+      this.height = 40;
+  }
+  this.selector.css("height", this.height + "px");
+  if (this._config.background) {
+      this.selector.css("background", this._config.background);
+  }
+};
+
+
+IriSP.SparklineWidget.prototype = new IriSP.Widget();
+
+IriSP.SparklineWidget.prototype.clear = function() {
+
+};
+
+/** draw the sparkline using jquery sparkline */
+IriSP.SparklineWidget.prototype.draw = function() {
+    this.duration = this.getDuration();
+    this.paper = new Raphael(this.selector[0], this.width, this.height);
+    var _this = this;
+  
+  var views = this._serializer._data.views;
+  var stat_view;
+  if (!IriSP.null_or_undefined(views)) {
+    for (var i = 0; i < views.length; i++) {
+      var view = views[i];
+      if (view.id === "stat") {
+          stat_view = view;
+          break;
+      }
+    }
+  }
+  
+    var _ = IriSP.underscore;
+  // If we've found the correct view, feed the directly the data from the view
+  // to jquery sparkline. Otherwise, compute it ourselves.
+    if (!IriSP.null_or_undefined(stat_view)) {
+        //console.log("sparklinewidget : using stats embedded in the json");
+        var _results = stat_view.meta.stat.split(",");      
+    } else {
+        var _annotations = this._serializer._data.annotations,
+            _sliceDuration = Math.floor( this.duration / this.slices),
+            _results = _(_.range(this.slices)).map(function(_i) {
+                return _(_annotations).filter(function(_a){
+                    return (_a.begin <= (1 + _i) * _sliceDuration) && (_a.end >= _i * _sliceDuration)
+                }).length;
+            });
+    }
+    var _max = Math.max(1, _(_results).max()),
+        _h = this.height,
+        _scale = (_h - this.lineWidth) / _max,
+        _width = this.width / this.slices,
+        _y = _(_results).map(function(_v) {
+            return _h - (_scale * _v);
+        }),
+        _d = _(_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});
+  // save the results in an array so that we can re-use them when a new annotation
+  // is added.
+  this._results = _results;
+  
+  this._Popcorn.listen("timeupdate", IriSP.wrap(this, this.timeUpdateHandler));
+//  this._Popcorn.listen("IriSP.createAnnotationWidget.addedAnnotation", IriSP.wrap(this, this.handleNewAnnotation));
+  
+  this.selector.click(IriSP.wrap(this, this.clickHandler));  
+};
+
+/** react to a timeupdate event */
+IriSP.SparklineWidget.prototype.timeUpdateHandler = function() {
+    var _currentTime = this._Popcorn.currentTime(),
+        _x = (1000 * _currentTime / this.duration) * this.width;
+    this.rectangleProgress.attr({
+        "width" : _x
+    });
+    this.ligneProgress.attr({
+        "path" : "M" + _x + " 0L" + _x + " " + this.height
+    });
+                                  
+}
+
+/** handle clicks on the widget */
+IriSP.SparklineWidget.prototype.clickHandler = function(event) {
+  var relX = event.pageX - this.selector.offset().left;
+  var newTime = ((relX / this.width) * this.duration/1000).toFixed(2);
+    
+  this._Popcorn.trigger("IriSP.SparklineWidget.clicked", newTime);
+  this._Popcorn.currentTime(newTime);
+};
+
+/** react when a new annotation is added */
+IriSP.SparklineWidget.prototype.handleNewAnnotation = function(annotation) {
+//  var num_columns = this._results.length;
+//  var duration = this._serializer.getDuration();
+//  var time_step = Math.round(duration / num_columns); /* the time interval between two columns */
+//  var begin = +annotation.begin;
+//  var end = +annotation.end;
+//  
+//  /* increment all the values between the beginning and the end of the annotation */
+//  var index_begin = Math.floor(begin / time_step);
+//  var index_end = Math.floor(end / time_step);
+//  
+//  for (var i = index_begin; i < Math.min(index_end, this._results.length); i++) {
+//    this._results[i]++;
+//  }
+//  
+//  this.selector.find(".Ldt-sparkLine").sparkline(this._results, {lineColor: "#7492b4", fillColor: "#aeaeb8",
+//                                                           spotColor: "#b70056",
+//                                                           width: this.width, height: this.height});
+};
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