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interactive legend #7

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Merged
SamSaffron merged 1 commit into from
Jan 5, 2015
Merged

interactive legend #7

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29 changes: 28 additions & 1 deletion lib/flamegraph/flamegraph.html
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Original file line number Diff line number Diff line change
Expand Up @@ -248,6 +248,31 @@ <h3>Frame Info</h3>
.attr('opacity',1);
};

// highlight the nodes of a gem
var gemSelect = function(e) {
var name = e.data.name;
d3.selectAll(getGemNodes(name)).attr('opacity',0.5);
return false;
};

// remove highlighting of the nodes of a gem
var gemDeSelect = function(e) {
var name = e.data.name;
d3.selectAll(getGemNodes(name)).attr('opacity',1);
return false;
};

// given the name of a gem, return all of its nodes
var getGemNodes = function(gem_name) {
var frames = gemStats[gem_name].frames;
var nodes = [];
$.each(frames, function(i,f) {
var i = info[f];
nodes = nodes.concat(i.nodes);
});
return nodes;
};

var backtrace = function(frame){
for(var i=0; i<data.length; i++){
if(frame === data[i]){ break; }
Expand Down Expand Up @@ -488,7 +513,9 @@ <h3>Frame Info</h3>
_.each(gemsSorted, function(gem){
var node = $("<div></div>")
.css("background-color", gem.color)
.text(gem.name + " " + samplePercent(gem.samples.length)) ;
.text(gem.name + " " + samplePercent(gem.samples.length))
.on("mouseover", {name: gem.name}, gemSelect)
.on("mouseout", {name: gem.name}, gemDeSelect);
$('.legend').append(node);
});

Expand Down