javascript - D3.js gantt redraw with zoom not erase old tasks from code, and mouseevent on tasks not working -

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i try use this: http://codepen.io/pau/pen/fkzea d3.js gantt chart zoom , scroll, have problems. version, added tasks in code, mousevent , line:

http://codepen.io/anon/pen/pgvdgm

when added task use button, scroll , zoom working good. when added tasks in code:

var tasks = [{"startdate":new date("sun dec 09 01:36:45 est 2012"),           "enddate":new date("sun dec 09 02:36:45 est 2012"),           "taskname":"e job",           "status":"running"},          {"startdate":new date("sun dec 09 03:36:45 est 2012"),           "enddate":new date("sun dec 09 04:36:45 est 2012"),           "taskname":"e job",           "status":"running"}         ];

i see 2 tasks, when scroll or zoom, tasks not erase. why?

problem 2 when try add mouseevent tasks:

svg.selectall(".chart")   .data(tasks, keyfunction).enter()   .append("rect")     .attr("rx", 5)     .attr("ry", 5)     .attr("class", function(d){ return  tatus[d.status] || "bar"; })      .attr("y", 0)     .attr("transform", recttransform)     .attr("height", function(d) { return 5; }) // y.rangeband(); })     .attr("width", function(d) { return (x(d.enddate) - x(d.startdate)); })     .attr("clip-path", "url(#clip)") .on('mouseover', function(d) {     alert("abcd");         });

event doesen't work. think problem css class:

.pane {   cursor: move;   fill: none;   pointer-events: all; }

when change pointer-events auto, mouseevent work, scrollable gantt not work... how set property work both?

third problem drawline. add drawline method:

 var drawline = function(svg){ var testdate = new date("sun dec 09 00:36:45 est 2012");   svg.append("line").attr(     {       "class":"horizontalgrid",       "x1" : x(testdate),       "y1" : 0,       "x2" : x(testdate),       "y2" : height,       "fill" : "none",       "shape-rendering" : "crispedges",       "stroke" : "red",       "z-index" : "550",       "stroke-width" : "2px"     });

};

and invoke in gantt function. line draw, when scroll chart, line not move. how fix it?

please see in page: http://codepen.io/anon/pen/pgvdgm 3 problems.


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