mirror of
https://github.com/codeninjasllc/codecombat.git
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128 lines
4.6 KiB
CoffeeScript
128 lines
4.6 KiB
CoffeeScript
# Caller needs require 'vendor/d3'
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module.exports.createContiguousDays = (timeframeDays, skipToday=true) ->
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# Return list of last 'timeframeDays' contiguous days in yyyy-mm-dd format
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days = []
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currentDate = new Date()
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currentDate.setUTCDate(currentDate.getUTCDate() - timeframeDays)
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currentDate.setUTCDate(currentDate.getUTCDate() - 1) if skipToday
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for i in [0...timeframeDays]
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currentDay = currentDate.toISOString().substr(0, 10)
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days.push(currentDay)
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currentDate.setUTCDate(currentDate.getUTCDate() + 1)
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days
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module.exports.createLineChart = (containerSelector, chartLines) ->
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# Creates a line chart within 'containerSelector' based on chartLines
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return unless chartLines?.length > 0 and containerSelector
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margin = 20
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keyHeight = 20
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xAxisHeight = 20
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yAxisWidth = 40
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containerWidth = $(containerSelector).width()
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containerHeight = $(containerSelector).height()
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yScaleCount = 0
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yScaleCount++ for line in chartLines when line.showYScale
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svg = d3.select(containerSelector).append("svg")
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.attr("width", containerWidth)
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.attr("height", containerHeight)
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width = containerWidth - margin * 2 - yAxisWidth * yScaleCount
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height = containerHeight - margin * 2 - xAxisHeight - keyHeight * chartLines.length
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currentLine = 0
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currentYScale = 0
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# Horizontal guidelines
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marks = (Math.round(i * height / 5) for i in [1..5])
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yRange = d3.scale.linear().range([height, 0]).domain([0, height])
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svg.selectAll(".line")
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.data(marks)
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.enter()
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.append("line")
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.attr("x1", margin + yAxisWidth * yScaleCount)
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.attr("y1", (d) -> margin + yRange(d))
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.attr("x2", margin + yAxisWidth * yScaleCount + width)
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.attr("y2", (d) -> margin + yRange(d))
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.attr("stroke", 'gray')
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.style("opacity", "0.3")
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for line in chartLines
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# continue unless line.enabled
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xRange = d3.scale.linear().range([0, width]).domain([d3.min(line.points, (d) -> d.x), d3.max(line.points, (d) -> d.x)])
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yRange = d3.scale.linear().range([height, 0]).domain([line.min, line.max])
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# x-Axis
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if currentLine is 0
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startDay = new Date(line.points[0].day)
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endDay = new Date(line.points[line.points.length - 1].day)
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xAxisRange = d3.time.scale()
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.domain([startDay, endDay])
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.range([0, width])
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xAxis = d3.svg.axis()
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.scale(xAxisRange)
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svg.append("g")
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.attr("class", "x axis")
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.call(xAxis)
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.selectAll("text")
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.attr("dy", ".35em")
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.attr("transform", "translate(" + (margin + yAxisWidth) + "," + (height + margin) + ")")
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.style("text-anchor", "start")
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if line.showYScale
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# y-Axis
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yAxisRange = d3.scale.linear().range([height, 0]).domain([line.min, line.max])
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yAxis = d3.svg.axis()
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.scale(yRange)
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.orient("left")
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svg.append("g")
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.attr("class", "y axis")
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.attr("transform", "translate(" + (margin + yAxisWidth * currentYScale) + "," + margin + ")")
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.style("color", line.lineColor)
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.call(yAxis)
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.selectAll("text")
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.attr("y", 0)
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.attr("x", 0)
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.attr("fill", line.lineColor)
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.style("text-anchor", "start")
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currentYScale++
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# Key
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svg.append("line")
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.attr("x1", margin)
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.attr("y1", margin + height + xAxisHeight + keyHeight * currentLine + keyHeight / 2)
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.attr("x2", margin + 40)
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.attr("y2", margin + height + xAxisHeight + keyHeight * currentLine + keyHeight / 2)
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.attr("stroke", line.lineColor)
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.attr("class", "key-line")
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svg.append("text")
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.attr("x", margin + 40 + 10)
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.attr("y", margin + height + xAxisHeight + keyHeight * currentLine + (keyHeight + 10) / 2)
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.attr("fill", line.lineColor)
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.attr("class", "key-text")
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.text(line.description)
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# Path and points
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svg.selectAll(".circle")
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.data(line.points)
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.enter()
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.append("circle")
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.attr("transform", "translate(" + (margin + yAxisWidth * yScaleCount) + "," + margin + ")")
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.attr("cx", (d) -> xRange(d.x))
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.attr("cy", (d) -> yRange(d.y))
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.attr("r", 2)
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.attr("fill", line.lineColor)
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.attr("stroke-width", 1)
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.attr("class", "graph-point")
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.attr("data-pointid", (d) -> "#{line.lineID}#{d.x}")
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d3line = d3.svg.line()
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.x((d) -> xRange(d.x))
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.y((d) -> yRange(d.y))
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.interpolate("linear")
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svg.append("path")
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.attr("d", d3line(line.points))
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.attr("transform", "translate(" + (margin + yAxisWidth * yScaleCount) + "," + margin + ")")
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.style("stroke-width", line.strokeWidth)
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.style("stroke", line.lineColor)
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.style("fill", "none")
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currentLine++
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