web/res/metadataplayer/Segments.js
changeset 598 d366aa22bd79
child 618 f65c1c3f77ea
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/res/metadataplayer/Segments.js	Thu May 03 17:52:07 2012 +0200
@@ -0,0 +1,105 @@
+// TODO: Trigger IriSP.SegmentsWidget.click and IriSP.Mediafragment.showAnnotation
+
+IriSP.Widgets.Segments = function(player, config) {
+    IriSP.Widgets.Widget.call(this, player, config);
+};
+
+IriSP.Widgets.Segments.prototype = new IriSP.Widgets.Widget();
+
+IriSP.Widgets.Segments.prototype.defaults = {
+    annotation_type : "chap",
+    colors: ["#1f77b4","#aec7e8","#ff7f0e","#ffbb78","#2ca02c","#98df8a","#d62728","#ff9896","#9467bd","#c5b0d5","#8c564b","#c49c94","#e377c2","#f7b6d2","#7f7f7f","#c7c7c7","#bcbd22","#dbdb8d","#17becf","#9edae5"],
+    requires : [
+        {
+            type: "Tooltip"
+        }
+    ],
+    height: 10
+};
+
+IriSP.Widgets.Segments.prototype.template =
+    '<div class="Ldt-Segments-List">{{#segments}}'
+    + '<div class="Ldt-Segments-Segment" segment-id="{{id}}" segment-text="{{text}}" segment-color="{{color}}" center-pos="{{center}}" begin-seconds="{{beginseconds}}"'
+    + 'style="left:{{left}}px; width:{{width}}px; background:{{color}}"></div>'
+    + '{{/segments}}</div>'
+    + '<div class="Ldt-Segments-Position"></div>';
+
+IriSP.Widgets.Segments.prototype.draw = function() {
+    this.bindPopcorn("IriSP.search", "onSearch");
+    this.bindPopcorn("IriSP.search.closed", "onSearch");
+    this.bindPopcorn("IriSP.search.cleared", "onSearch");
+    this.bindPopcorn("timeupdate", "onTimeupdate");
+    
+    var _list = this.getWidgetAnnotations(),
+        _this = this,
+        _scale = this.width / this.source.getDuration();
+    this.$.css({
+        width : this.width + "px",
+        height : (this.height - 2) + "px",
+        margin : "1px 0"
+    });
+    this.$.append(Mustache.to_html(this.template, {
+        segments : _list.map(function(_annotation, _k) {
+            var _left = _annotation.begin * _scale,
+                _width = ( _annotation.end - _annotation.begin ) * _scale,
+                _center = _left + _width / 2;
+            return {
+                text : _annotation.title + ( _annotation.description ? '<br />' + _annotation.description.replace(/(^.{120,140})[\s].+$/,'$1&hellip;') : ''),
+                color : ( typeof _annotation.color !== "undefined" && _annotation.color ? _annotation.color : _this.colors[_k % _this.colors.length] ),
+                beginseconds : _annotation.begin.getSeconds() ,
+                left : Math.floor( _left ),
+                width : Math.floor( _width ),
+                center : Math.floor( _center ),
+                id : _annotation.namespacedId.name
+            }
+        })
+    }));
+    this.$segments = this.$.find('.Ldt-Segments-Segment');
+    
+    this.$segments.mouseover(function() {
+        var _el = IriSP.jQuery(this);
+        _this.$segments.removeClass("active").addClass("inactive");
+        _this.tooltip.show( _el.attr("center-pos"), 0, _el.attr("segment-text"), _el.attr("segment-color"));
+        _el.removeClass("inactive").addClass("active");
+    })
+    .mouseout(function() {
+        _this.tooltip.hide();
+        _this.$segments.removeClass("inactive active");
+    })
+    .click(function() {
+        var _el = IriSP.jQuery(this);
+        _this.player.popcorn.currentTime(_el.attr("begin-seconds"));
+        _this.player.popcorn.trigger("IriSP.Mediafragment.setHashToAnnotation", _el.attr("segment-id"));
+    });
+}
+
+IriSP.Widgets.Segments.prototype.onSearch = function(searchString) {
+    this.searchString = typeof searchString !== "undefined" ? searchString : '';
+    var _found = 0,
+        _re = IriSP.Model.regexpFromTextOrArray(searchString);
+    if (this.searchString) {
+        this.$segments.each(function() {
+            var _el = IriSP.jQuery(this);
+            if (_re.test(_el.attr("segment-text"))) {
+                _el.removeClass("unfound").addClass("found");
+                _found++;
+            } else {
+                _el.removeClass("found").addClass("unfound");
+            }
+        });
+        if (_found) {
+            this.player.popcorn.trigger("IriSP.search.matchFound");
+        } else {
+            this.player.popcorn.trigger("IriSP.search.noMatchFound");
+        }
+    } else {
+        this.$segments.removeClass("found unfound");
+    }
+}
+
+IriSP.Widgets.Segments.prototype.onTimeupdate = function() {
+    var _x = Math.floor( this.width * this.player.popcorn.currentTime() / this.source.getDuration().getSeconds());
+    this.$.find('.Ldt-Segments-Position').css({
+        left: _x + "px"
+    })
+}
\ No newline at end of file