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legend.js
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legend.js
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var legend = function () {
var update = function () {};
var species = { // model
"Homo_sapiens" : true, // Human
"Mus_musculus" : true, // Mouse
"Cavia_porcellus" : true, // Guinea pig
"Macaca_mulatta" : true, // Macaque
"Canis_lupus_familiaris" : true, // Dog
"Oryctolagus_cuniculus" : true, // Rabbit
"Rattus_norvegicus" : true, // Rat
"Sus_scrofa" : true, // Pig
"Xenopus_tropicalis" : false, // Frog
"Danio_rerio" : false // Zebrafish
};
var scientific2common = {
"Homo_sapiens" : "Human",
"Mus_musculus" : "Mouse",
"Cavia_porcellus" : "Guinea pig",
"Macaca_mulatta" : "Macaque",
"Canis_lupus_familiaris" : "Dog",
"Oryctolagus_cuniculus" : "Rabbit",
"Rattus_norvegicus" : "Rat",
"Sus_scrofa" : "Pig",
"Xenopus_tropicalis" : "Frog",
"Danio_rerio" : "Zebrafish"
};
var speciesTaxonIds = {
"Homo_sapiens" : 9606,
"Mus_musculus" : 10090,
"Cavia_porcellus" : 10141,
"Macaca_mulatta" : 9544,
"Canis_lupus_familiaris" : 9615,
"Oryctolagus_cuniculus" : 9986,
"Rattus_norvegicus" : 10116,
"Sus_scrofa" : 9823,
"Xenopus_tropicalis" : 8364,
"Danio_rerio" : 7955
};
var speciesArr = [];
for (var sp in species) {
if (species.hasOwnProperty(sp)) {
speciesArr.push({
"name" : sp,
"checked" : species[sp]
});
}
}
var l = function (container) {
var div = d3.select(container)
.append("div")
.style({
"position": "absolute",
"left" : "10px",
"top" : "10px",
"background-color" : "#FFFFFF",
});
var checkbox = div.selectAll("input")
.data(speciesArr)
.enter()
.append("span")
.style("display", "block");
checkbox
.append("input")
.attr("type", "checkbox")
.attr("name", "spcheck")
.attr("value", function (d) {
return d.name;
})
.on("change", function () {
species[this.value] = this.checked;
var currentSps = [];
var allSps = [];
for (var sp in species) {
if (species.hasOwnProperty(sp)) {
allSps.push(speciesTaxonIds[sp]);
if (species[sp]) {
currentSps.push(speciesTaxonIds[sp]);
}
}
}
if (!currentSps.length) {
currentSps = allSps;
}
update(currentSps);
})
.each (function (d) {
if (d.checked) {
d3.select(this)
.attr("checked", true);
}
});
checkbox
.append("img")
.style({
"width" : "30px",
"height" : "30px",
"margin-left" : "10px",
"margin-top" : "5px"
})
.attr("src", function (d) {
return "/imgs/species/" + d.name + ".png";
});
checkbox
.append("text")
.style({
"margin-left" : "10px"
})
.text(function (d) {
return scientific2common[d.name];
});
};
l.update = function (cbak) {
if (!arguments.length) {
return update;
}
update = cbak;
return this;
};
l.selectedSpecies = function () {
var selected = [];
for (var sp in species) {
if (species.hasOwnProperty(sp) && species[sp]) {
selected.push(speciesTaxonIds[sp]);
}
}
return selected;
};
return l;
};
module.exports = exports = legend;