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1 | /*jslint node: true */
/*jshint laxbreak: true */
"use strict";
var d3 = require("d3");
var _ = require("underscore");
var TrackFactory = require("./TrackFactory");
var FeatureFactory = require("./FeatureFactory");
var NonOverlappingLayout = require("./NonOverlappingLayout");
var BasicViewer = require("./BasicViewer");
var ViewerHelper = require("./ViewerHelper");
var Category = function(data, type, fv) {
var category = this;
category.tracks = [];
category.data = data;
category.viewerType = type;
category.fv = fv;
category.tracksCreated = false;
category.categoryViewer = undefined;
category.categoryContainer = fv.container.append('div')
.attr('class', 'up_pftv_category');
category.header = category.categoryContainer.append('a')
.attr('class', 'up_pftv_category-name up_pftv_arrow-right')
.attr('title', data.label)
.text(data.label)
.on('click', function() {
category.toggle();
category.propagateSelection();
});
category.viewerContainer = category.categoryContainer.append('div')
.attr('class', 'up_pftv_category-viewer');
category.tracksContainer = category.categoryContainer.append('div')
.attr('class', 'up_pftv_category-tracks')
.style('display','none');
};
Category.prototype.addTrack = function(track) {
this.tracks.push(track);
};
Category.prototype.buildTracks = function() {
var category = this;
//Group tracks by type
var typeFeatures = _.groupBy(category.data.features, function(d) {
if (d.type) {
return d.type.label;
}
});
var that = this;
_.each(typeFeatures, function(value, key) {
that.addTrack(TrackFactory.createTrack(typeFeatures[key], category.viewerType, category));
});
};
Category.prototype.toggle = function() {
var category = this;
if(category.tracksContainer.style('display') === 'none') {
category.tracksContainer.style('display','block');
category.viewerContainer.select('.up_pftv_category-viewer-group').style('display','none');
category.header.attr('class','up_pftv_category-name up_pftv_arrow-down');
} else {
category.tracksContainer.style('display','none');
category.viewerContainer.select('.up_pftv_category-viewer-group').style('display','block');
category.header.attr('class','up_pftv_category-name up_pftv_arrow-right');
}
};
Category.prototype.propagateSelection = function() {
if (this.fv.selectedFeature) {
d3.selectAll('svg path[name=' + this.fv.selectedFeature.internalId + ']')
.classed('up_pftv_activeFeature', true)
;
}
};
Category.prototype.setDisabled = function() {
var category = this;
category.categoryContainer.attr('class','up_pftv_category up_pftv_category-disabled');
category.viewerContainer.style('display','none');
category.header.on('click', function(){});
};
Category.prototype.update = function() {
var category = this;
category.categoryViewer.update();
_.each(category.tracks, function(t) {
t.update();
});
};
//Viewer types
var BasicCategoryViewer = function(category) {
return new BasicViewer(
category.data.label, category.data.features, category.viewerContainer, category.fv
);
};
var VariantCategoryViewer = function(category) {
var height = 40;
var features = category.data.features,
container = category.viewerContainer,
xScale = category.fv.xScale,
width = category.fv.width,
zoom = category.fv.zoom;
var varChart = ViewerHelper.createSVG(container, width, height, category.fv, 'up_pftv_variation-chart');
var variationCountArray = _.map(features, function(d) {
return d.variants.length;
});
var varYScale = d3.scale.linear()
.domain([0,d3.max(variationCountArray)])
.range([height, 0]);
var line = d3.svg.line()
.x(function(d,i) {
return xScale(i);
})
.y(function(d) {
return varYScale(d);
})
.interpolate('linear');
varChart.append("path")
.data(features)
.attr("class","up_pftv_block-area")
.attr("d",line(variationCountArray))
.on('click', function(){
category.toggle();
});
varChart.append("path")
.data(features)
.attr("class","up_pftv_line")
.attr("d",line(variationCountArray))
.on('click', function(){
category.toggle();
});
this.update = function() {
varChart.selectAll(".up_pftv_block-area")
.data(features)
.attr("class","up_pftv_block-area")
.attr("d",line(variationCountArray));
varChart.selectAll(".up_pftv_line")
.data(features)
.attr("class","up_pftv_line")
.attr("d",line(variationCountArray));
};
return this;
};
//Category types
Category.basic = function() {
this.categoryViewer = new BasicCategoryViewer(this);
};
Category.variant = function() {
this.categoryViewer = new VariantCategoryViewer(this);
};
// Factory
var CategoryFactory = function() {
return {
createCategory: function(data, type, fv) {
var category;
// error if the constructor doesn't exist
if (typeof Category[type] !== "function") {
console.log('WARNING: Category viewer type ' + type + " doesn't exist");
}
//inherit parent constructor
Category[type].prototype = new Category(data, type, fv);
category = new Category[type]();
if(data.features.length > 0) {
category.buildTracks();
} else {
category.setDisabled();
}
return category;
}
};
}();
module.exports = CategoryFactory; |