--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/js/widgets/stackGraphWidget.js Fri Apr 06 16:55:34 2012 +0200
@@ -0,0 +1,196 @@
+IriSP.StackGraphWidget = function(Popcorn, config, Serializer) {
+ IriSP.Widget.call(this, Popcorn, config, Serializer);
+}
+
+IriSP.StackGraphWidget.prototype = new IriSP.Widget();
+
+IriSP.StackGraphWidget.prototype.draw = function() {
+ var _ = IriSP._;
+ this.height = this._config.height || 50;
+ this.width = this.selector.width();
+ this.slices = this._config.slices || ~~(this.width/(this.streamgraph ? 20 : 5));
+ _(this.tags).each(function(_a) {
+ _a.regexp = new RegExp(_(_a.keywords).map(function(_k) {
+ return _k.replace(/([\W])/gm,'\\$1');
+ }).join("|"),"im")
+ });
+ this.paper = new Raphael(this.selector[0], this.width, this.height);
+ this.groups = [];
+ this.duration = this.getDuration();
+
+ var _annotationType = this._serializer.getTweets(),
+ _sliceDuration = ~~ ( this.duration / this.slices),
+ _annotations = this._serializer._data.annotations,
+ _groupedAnnotations = _(_.range(this.slices)).map(function(_i) {
+ return _(_annotations).filter(function(_a){
+ return (_a.begin <= (1 + _i) * _sliceDuration) && (_a.end >= _i * _sliceDuration)
+ });
+ }),
+ _max = IriSP._(_groupedAnnotations).max(function(_g) {
+ return _g.length
+ }).length,
+ _scale = this.height / _max,
+ _width = this.width / this.slices,
+ _showTitle = !this._config.excludeTitle,
+ _showDescription = !this._config.excludeDescription;
+
+
+ var _paths = _(this.tags).map(function() {
+ return [];
+ });
+ _paths.push([]);
+
+ for (var i = 0; i < this.slices; i++) {
+ var _group = _groupedAnnotations[i];
+ if (_group) {
+ var _vol = _(this.tags).map(function() {
+ return 0;
+ });
+ for (var j = 0; j < _group.length; j++){
+ var _txt = (_showTitle ? _group[j].content.title : '') + ' ' + (_showDescription ? _group[j].content.description : '')
+ var _tags = _(this.tags).map(function(_tag) {
+ return (_txt.search(_tag.regexp) == -1 ? 0 : 1)
+ }),
+ _nbtags = _(_tags).reduce(function(_a,_b) {
+ return _a + _b;
+ }, 0);
+ if (_nbtags) {
+ IriSP._(_tags).each(function(_v, _k) {
+ _vol[_k] += (_v / _nbtags);
+ });
+ }
+ }
+ var _nbtags = _(_vol).reduce(function(_a,_b) {
+ return _a + _b;
+ }, 0),
+ _nbneutre = _group.length - _nbtags,
+ _h = _nbneutre * _scale,
+ _base = this.height - _h;
+ if (!this.streamgraph) {
+ this.paper.rect(i * _width, _base, _width - 1, _h ).attr({
+ "stroke" : "none",
+ "fill" : this.defaultcolor
+ });
+ }
+ _paths[0].push(_base);
+ for (var j = 0; j < this.tags.length; j++) {
+ _h = _vol[j] * _scale;
+ _base = _base - _h;
+ if (!this.streamgraph) {
+ this.paper.rect(i * _width, _base, _width - 1, _h ).attr({
+ "stroke" : "none",
+ "fill" : this.tags[j].color
+ });
+ }
+ _paths[j+1].push(_base);
+ }
+ this.groups.push(_(_vol).map(function(_v) {
+ return _v / _group.length;
+ }))
+ } else {
+ for (var j = 0; j < _paths.length; j++) {
+ _paths[j].push(this.height);
+ }
+ this.groups.push(_(this.tags).map(function() {
+ return 0;
+ }));
+ }
+ }
+
+ if (this.streamgraph) {
+ for (var j = _paths.length - 1; j >= 0; j--) {
+ var _d = _(_paths[j]).reduce(function(_memo, _v, _k) {
+ return _memo + ( _k
+ ? 'C' + (_k * _width) + ' ' + _paths[j][_k - 1] + ' ' + (_k * _width) + ' ' + _v + ' ' + ((_k + .5) * _width) + ' ' + _v
+ : 'M0 ' + _v + 'L' + (.5*_width) + ' ' + _v )
+ },'') + 'L' + this.width + ' ' + _paths[j][_paths[j].length - 1] + 'L' + this.width + ' ' + this.height + 'L0 ' + this.height;
+ this.paper.path(_d).attr({
+ "stroke" : "none",
+ "fill" : (j ? this.tags[j-1].color : this.defaultcolor)
+ });
+ }
+ }
+ this.rectangleFocus = this.paper.rect(0,0,_width,this.height)
+ .attr({
+ "stroke" : "none",
+ "fill" : "#ff00ff",
+ "opacity" : 0
+ })
+ 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._Popcorn.listen("timeupdate", IriSP.wrap(this, this.timeUpdateHandler));
+ var _this = this;
+ this.selector
+ .click(IriSP.wrap(this, this.clickHandler))
+ .mousemove(function(_e) {
+ _this.updateTooltip(_e);
+ // Trace
+ var relX = _e.pageX - _this.selector.offset().left;
+ var _duration = _this.getDuration();
+ var _time = parseInt((relX / _this.width) * _duration);
+ _this._Popcorn.trigger("IriSP.TraceWidget.MouseEvents", {
+ "widget" : "StackGraphWidget",
+ "type": "mousemove",
+ "x": _e.pageX,
+ "y": _e.pageY,
+ "time": _time
+ });
+
+ })
+ .mouseout(function() {
+ _this.TooltipWidget.hide();
+ _this.rectangleFocus.attr({
+ "opacity" : 0
+ })
+ })
+}
+
+IriSP.StackGraphWidget.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
+ })
+}
+
+IriSP.StackGraphWidget.prototype.clickHandler = function(event) {
+ /* Ctrl-C Ctrl-V'ed from another widget
+ */
+
+ var relX = event.pageX - this.selector.offset().left;
+ var newTime = ((relX / this.width) * this.duration/1000).toFixed(2);
+ this._Popcorn.trigger("IriSP.StackGraphWidget.clicked", newTime);
+ this._Popcorn.currentTime(newTime);
+};
+
+IriSP.StackGraphWidget.prototype.updateTooltip = function(event) {
+ var _segment = Math.max(0,Math.min(this.groups.length - 1, Math.floor(this.slices * (event.pageX - this.selector.offset().left)/this.width))),
+ _valeurs = this.groups[_segment],
+ _width = this.width / this.slices,
+ _html = '<ul style="list-style: none; margin: 0; padding: 0;">' + IriSP._(this.tags).map(function(_tag, _i) {
+ return '<li style="clear: both;"><span style="float: left; width: 10px; height: 10px; margin: 2px; background: '
+ + _tag.color
+ + ';"></span>'
+ + ~~(100 * _valeurs[_i])
+ + '% de '
+ + _tag.description
+ + '</li>';
+ }).join('') + '</ul>';
+ this.TooltipWidget._shown = false; // Vraiment, on ne peut pas ouvrir le widget s'il n'est pas encore ouvert ?
+ this.TooltipWidget.show('','',(_segment + .5)* this.width / this.slices, 0);
+ this.TooltipWidget.selector.find(".tip").html(_html);
+ this.rectangleFocus.attr({
+ "x" : _segment * _width,
+ "opacity" : .4
+ })
+}
+