alcatel/static/js/streamgraphdoc.js
changeset 44 3648b6dea2cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/alcatel/static/js/streamgraphdoc.js	Tue Sep 10 13:28:30 2013 +0200
@@ -0,0 +1,290 @@
+function Streamgraph($selector, data,docId,user/*, data2*/) 
+{
+    
+    /* Constants */
+ 
+    var VMARGIN = 3,
+        YEARSHEIGHT = 20,
+        STARTTIME = new Date(data.from_date),
+        ENDTIME = new Date(data.to_date),
+        DATASTART = new Date(data.from_date),
+        DATAEND = new Date(data.to_date),
+        CURVE = .25,
+        DATEPADDING = 10,
+        COLORS = [ "#51585E", "#12161C", "#457DAD", "#899DAA", "#0781BD" ],
+		QUERYID = data.query_id,
+        SELECTEDCOLOR = "#c51810"; 
+    	
+    /* Calculating scales and positions */
+  
+    var width = $selector.width(),
+        height = $selector.height(),
+        transp = _.zip.apply( _, _(data.clusters).pluck("volumes") ),
+        cumulative = _(transp).map(function(column) {
+            var total = 0;
+            return _(column).map(function(point) {
+                return total += point;
+            });
+        }),
+        sums = _(cumulative).map(function(column) {
+            return _(column).last();
+        })
+        maxcol = _(sums).max(),
+        streamheight = height - YEARSHEIGHT,
+        streamwidth = width * (DATAEND - DATASTART) / (ENDTIME - STARTTIME),
+        yscale = (streamheight - 2 * VMARGIN) / maxcol,
+        centery = streamheight / 2,
+        xscale = streamwidth / (transp.length - 1),
+        txscale = width / (ENDTIME - STARTTIME),
+        startx = txscale * (DATASTART - STARTTIME),
+        endx = txscale * (DATAEND - STARTTIME),
+        coords = _(data.clusters).map(function(line, lineindex) {
+            return {
+                points : _(line.volumes).map(function(point, colindex) {
+                    var lowercumul = lineindex ? cumulative[colindex][lineindex - 1] : 0,
+                        uppercumul = cumulative[colindex][lineindex];
+                    return {
+                        data: point,
+                        x: startx + xscale * colindex,
+                        lowery: centery + yscale * ( ( sums[colindex] / 2 ) - lowercumul ),
+                        uppery: centery + yscale * ( ( sums[colindex] / 2 ) - uppercumul ),
+                    }
+                }),
+                id : line.id,
+                title: line.title
+            }
+        }),
+        _(coords).each(function(line) {
+            var lowerline = _(line.points).reduce(function(path, point, colindex) {
+                var res = path;
+                if (colindex) {
+                    res += "," + (point.x - CURVE * xscale) + "," + point.lowery + "," + point.x + "," + point.lowery;
+                } else {
+                    res += "M" + point.x + "," + point.lowery;
+                }
+                if (colindex < line.points.length - 1) {
+                    res += "C" + (point.x + CURVE * xscale) + "," + point.lowery;
+                }
+                return res;
+            }, "");
+            var upperline = _(line.points).reduceRight(function(path, point, colindex) {
+                var res = path;
+                if (colindex < line.points.length - 1) {
+                    res += "," + (point.x + CURVE * xscale) + "," + point.uppery + "," + point.x + "," + point.uppery;
+                } else {
+                    res += "L" + point.x + "," + point.uppery;
+                }
+                if (colindex) {
+                    res += "C" + (point.x - CURVE * xscale) + "," + point.uppery;
+                }
+                return res;
+            }, "");
+            line.path = lowerline + upperline;
+        });
+    
+    /* Drawing streamgraph*/
+   
+    $selector.empty();
+   
+    var paper = new Raphael($selector[0]);
+    
+    paper.path("M0 " + (1+centery) + "L" + width + " " + (1+centery)).attr({
+        stroke: "#000"
+    })
+    
+    _(coords).each(function(line, index) {
+        line.color = COLORS[index % COLORS.length];
+        //var hue = (parseInt(line.id)%6)/6;
+        //line.color = Raphael.hsl( hue, 1, .8 );
+        //line.highlightColor = Raphael.hsl( hue, 1, .4 );
+        line.surface = paper.path(line.path);
+        line.surface.attr({
+            stroke: "#ffffff",
+            "stroke-width": .25,
+            fill: line.color
+        });
+    });
+    
+    /* Drawing years */
+   
+    paper.path("M0," + (height - YEARSHEIGHT) + "," + width + "," + (height - YEARSHEIGHT))
+    var lastyear = ENDTIME.getFullYear();
+    for (var i = STARTTIME.getFullYear(); i <= lastyear; i++) {
+        var x = txscale * (new Date(i,0,1) - STARTTIME);
+        paper.path("M" + x + ",0," + x + "," + height);
+        var x = txscale * (new Date(i,6,1) - STARTTIME);
+        paper.text(x, height - .5 * YEARSHEIGHT, i)
+            .attr({
+                "text-anchor": "middle",
+                "font-family": "Times New Roman, serif",
+                "font-size": "14px"
+            });
+    }
+    
+    /* Drawing range window */
+    
+    var carregauche = paper.rect(width,-1,width,(2+height)),
+        carredroite = paper.rect(-width,-1,width,(2+height)),
+        attrcarres = {
+            fill: "#333333",
+            "fill-opacity": .5,
+            stroke: "#c51810"
+        };
+    carregauche.attr(attrcarres);
+    carredroite.attr(attrcarres);
+    
+    var rangerect = paper.rect(0, (height - YEARSHEIGHT), width, YEARSHEIGHT);
+    rangerect.attr({
+        fill: "#c51810",
+        stroke: "none"
+    });
+    
+    function datetext(date) {
+        var d = new Date(date),
+            m = 1+d.getMonth(),
+            y = d.getFullYear();
+        return ((m < 10 ? "0" : "") + m + "/" + y);
+    }
+    
+    var startdate = paper.text(DATEPADDING, height - .5 * YEARSHEIGHT, datetext(STARTTIME));
+    startdate.attr({
+        fill: "#ffffff",
+        "text-anchor": "start"
+    });
+    var enddate = paper.text(width - DATEPADDING, height - .5 * YEARSHEIGHT, datetext(ENDTIME));
+    enddate.attr({
+        fill: "#ffffff",
+        "text-anchor": "end"
+    });
+    
+    /* Redrawing time slices for rollover effect */
+   var mem = '';
+    _(coords).each(function(line, index) {
+		line.mousesurface = paper.path(line.path);
+		mem += '<li><a href="http://localhost:8000/documentary_files/'+user+'/'+line.id+'/0/12/'+docId+'" title="Afficher le cluster" data-cluster-id="' + line.id + '">' + line.title + '</a></li>';
+        line.mousesurface.attr({
+			stroke: "none",
+            fill: line.color,
+            opacity: .01,
+            title: line.title,
+			href: "http://localhost:8000/documentary_files/"+user+"/"+line.id+"/0/12/"+docId
+        }).mouseover(function() {
+			//alert('mousse select');
+            $("body").trigger("select-cluster", line.id);
+        }).mouseout(function() {
+			 //alert('mousse unselect');
+            $("body").trigger("unselect-cluster", line.id);
+
+        });
+       // $(line.mousesurface.node).attr("data-cluster-id", line.id).parent().attr("data-cluster-id", line.id);
+    });
+
+	  $(".cluster").html(mem) ;
+     /*  if (typeof (data2) != 'undefined')
+		  {
+			//  alert('dat2not null');
+			  
+			  
+			  
+			  var line = _(coords).find(function(line) 
+			  {
+           		 return line.id == 1;
+        		});
+				//alert(line.id);
+        	if (line) 
+			{
+				alert(line.id);
+            	line.surface.attr({  fill: SELECTEDCOLOR  });
+			}
+			
+			  
+		  }
+		  else
+		  {
+			  alert('dat2 null');
+		  }*/
+	  $(".actu, .cluster a, .article").hover
+	  (
+			function() {			
+				$("body").trigger("select-cluster", $(this).attr("data-cluster-id"));
+			},
+			function() {		   
+			   $("body").trigger("unselect-cluster", $(this).attr("data-cluster-id"));
+			}
+       )
+		
+    $("body").on("unselect-cluster", function(e, clusterid) {
+		$(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").removeClass("selected");
+        var line = _(coords).find(function(line) {
+            return line.id == clusterid;
+        });
+        if (line) {
+            line.surface.attr({
+                fill: line.color
+            });
+        }
+    });
+	
+	
+		
+    $("body").on("select-cluster", function(e, clusterid) {
+   	    $(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").addClass("selected");
+        var line = _(coords).find(function(line) {
+            return line.id == clusterid;
+        });
+        if (line) {
+            line.surface.attr({
+                fill: SELECTEDCOLOR //line.highlightColor
+            });
+        }
+    });
+	
+	/*$("body").on("select-cluster", function(e, clusterid)
+		 {
+            $(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").addClass("selected");
+        });
+        $("body").on("unselect-cluster", function(e, clusterid) {
+            $(".actu[data-cluster-id='" + clusterid + "'], .cluster a[data-cluster-id='" + clusterid + "'], .article[data-cluster-id='" + clusterid + "']").removeClass("selected");
+        });*/
+    
+    /* Returning a handler for slide value change */
+    
+    this.slidevalues = function(left, right) {
+        left = left || 0;
+        right = right || width;
+        carregauche.attr({x: left - width});
+        carredroite.attr({x: right});
+        startdate.attr({
+            x: DATEPADDING + left,
+            text: datetext(STARTTIME.valueOf() + left / txscale)
+        });
+        enddate.attr({
+            x: right - DATEPADDING,
+            text: datetext(STARTTIME.valueOf() + right / txscale)
+        });
+        rangerect.attr({
+            x: left,
+            width: right - left
+        });
+    }
+    
+    $("#slider-range").dragslider("values", [startx, endx]);
+    this.slidevalues(startx, endx);
+
+}
+
+function loadStreamgraphDoc(data,docId,user/*,data2*/) 
+{
+	$(".streamgraph").empty();
+    delete window.streamgraph;
+	;
+    //$.getJSON(url, function(data) {
+        window.streamgraph = new Streamgraph($(".streamgraph"), data,docId,user/*,data2*/);
+		 streamgraph.slidevalues.apply(streamgraph,$("#slider-range").dragslider("values"));
+
+    //});
+}
+
+/*$(function() {
+    loadStreamgraph("data/json_streamgraph.json");
+})*/