326 lines
8.3 KiB
CoffeeScript
326 lines
8.3 KiB
CoffeeScript
class BranchGraph
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constructor: (@element, @options) ->
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@preparedCommits = {}
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@mtime = 0
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@mspace = 0
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@parents = {}
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@colors = ["#000"]
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@offsetX = 150
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@offsetY = 20
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@unitTime = 30
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@unitSpace = 10
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@prev_start = -1
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@load()
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load: ->
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$.ajax
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url: @options.url
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method: "get"
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dataType: "json"
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success: $.proxy((data) ->
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$(".loading", @element).hide()
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@prepareData data.days, data.commits
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@buildGraph()
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, this)
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prepareData: (@days, @commits) ->
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@collectParents()
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@graphHeight = $(@element).height()
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@graphWidth = $(@element).width()
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ch = Math.max(@graphHeight, @offsetY + @unitTime * @mtime + 150)
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cw = Math.max(@graphWidth, @offsetX + @unitSpace * @mspace + 300)
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@r = Raphael(@element.get(0), cw, ch)
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@top = @r.set()
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@barHeight = Math.max(@graphHeight, @unitTime * @days.length + 320)
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for c in @commits
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c.isParent = true if c.id of @parents
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@preparedCommits[c.id] = c
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@markCommit(c)
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@collectColors()
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collectParents: ->
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for c in @commits
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@mtime = Math.max(@mtime, c.time)
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@mspace = Math.max(@mspace, c.space)
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for p in c.parents
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@parents[p[0]] = true
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@mspace = Math.max(@mspace, p[1])
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collectColors: ->
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k = 0
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while k < @mspace
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@colors.push Raphael.getColor(.8)
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# Skipping a few colors in the spectrum to get more contrast between colors
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Raphael.getColor()
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Raphael.getColor()
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k++
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buildGraph: ->
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r = @r
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cuday = 0
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cumonth = ""
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r.rect(0, 0, 40, @barHeight).attr fill: "#222"
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r.rect(40, 0, 30, @barHeight).attr fill: "#444"
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for day, mm in @days
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if cuday isnt day[0]
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# Dates
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r.text(55, @offsetY + @unitTime * mm, day[0])
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.attr(
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font: "12px Monaco, monospace"
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fill: "#BBB"
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)
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cuday = day[0]
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if cumonth isnt day[1]
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# Months
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r.text(20, @offsetY + @unitTime * mm, day[1])
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.attr(
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font: "12px Monaco, monospace"
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fill: "#EEE"
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)
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cumonth = day[1]
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@renderPartialGraph()
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@bindEvents()
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renderPartialGraph: ->
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start = Math.floor((@element.scrollTop() - @offsetY) / @unitTime) - 10
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start = 0 if start < 0
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end = start + 40
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end = @commits.length if @commits.length < end
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if @prev_start == -1 or Math.abs(@prev_start - start) > 10
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i = start
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@prev_start = start
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while i < end
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commit = @commits[i]
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i += 1
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if commit.hasDrawn isnt true
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x = @offsetX + @unitSpace * (@mspace - commit.space)
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y = @offsetY + @unitTime * commit.time
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@drawDot(x, y, commit)
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@drawLines(x, y, commit)
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@appendLabel(x, y, commit)
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@appendAnchor(x, y, commit)
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commit.hasDrawn = true
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@top.toFront()
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bindEvents: ->
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drag = {}
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element = @element
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$(element).scroll (event) =>
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@renderPartialGraph()
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$(window).on
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keydown: (event) =>
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# left
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element.scrollLeft element.scrollLeft() - 50 if event.keyCode is 37
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# top
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element.scrollTop element.scrollTop() - 50 if event.keyCode is 38
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# right
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element.scrollLeft element.scrollLeft() + 50 if event.keyCode is 39
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# bottom
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element.scrollTop element.scrollTop() + 50 if event.keyCode is 40
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@renderPartialGraph()
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appendLabel: (x, y, commit) ->
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return unless commit.refs
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r = @r
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shortrefs = commit.refs
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# Truncate if longer than 15 chars
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shortrefs = shortrefs.substr(0, 15) + "…" if shortrefs.length > 17
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text = r.text(x + 4, y, shortrefs).attr(
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"text-anchor": "start"
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font: "10px Monaco, monospace"
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fill: "#FFF"
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title: commit.refs
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)
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textbox = text.getBBox()
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# Create rectangle based on the size of the textbox
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rect = r.rect(x, y - 7, textbox.width + 5, textbox.height + 5, 4).attr(
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fill: "#000"
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"fill-opacity": .5
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stroke: "none"
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)
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triangle = r.path(["M", x - 5, y, "L", x - 15, y - 4, "L", x - 15, y + 4, "Z"]).attr(
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fill: "#000"
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"fill-opacity": .5
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stroke: "none"
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)
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label = r.set(rect, text)
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label.transform(["t", -rect.getBBox().width - 15, 0])
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# Set text to front
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text.toFront()
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appendAnchor: (x, y, commit) ->
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r = @r
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top = @top
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options = @options
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anchor = r.circle(x, y, 10).attr(
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fill: "#000"
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opacity: 0
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cursor: "pointer"
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).click(->
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window.open options.commit_url.replace("%s", commit.id), "_blank"
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).hover(->
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@tooltip = r.commitTooltip(x + 5, y, commit)
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top.push @tooltip.insertBefore(this)
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, ->
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@tooltip and @tooltip.remove() and delete @tooltip
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)
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top.push anchor
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drawDot: (x, y, commit) ->
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r = @r
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r.circle(x, y, 3).attr(
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fill: @colors[commit.space]
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stroke: "none"
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)
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r.rect(@offsetX + @unitSpace * @mspace + 10, y - 10, 20, 20).attr(
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fill: "url(#{commit.author.icon})"
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stroke: @colors[commit.space]
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"stroke-width": 2
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)
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r.text(@offsetX + @unitSpace * @mspace + 35, y, commit.message.split("\n")[0]).attr(
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"text-anchor": "start"
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font: "14px Monaco, monospace"
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)
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drawLines: (x, y, commit) ->
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r = @r
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for parent, i in commit.parents
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parentCommit = @preparedCommits[parent[0]]
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parentY = @offsetY + @unitTime * parentCommit.time
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parentX1 = @offsetX + @unitSpace * (@mspace - parentCommit.space)
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parentX2 = @offsetX + @unitSpace * (@mspace - parent[1])
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# Set line color
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if parentCommit.space <= commit.space
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color = @colors[commit.space]
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else
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color = @colors[parentCommit.space]
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# Build line shape
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if parent[1] is commit.space
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offset = [0, 5]
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arrow = "l-2,5,4,0,-2,-5,0,5"
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else if parent[1] < commit.space
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offset = [3, 3]
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arrow = "l5,0,-2,4,-3,-4,4,2"
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else
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offset = [-3, 3]
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arrow = "l-5,0,2,4,3,-4,-4,2"
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# Start point
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route = ["M", x + offset[0], y + offset[1]]
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# Add arrow if not first parent
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if i > 0
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route.push(arrow)
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# Circumvent if overlap
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if commit.space isnt parentCommit.space or commit.space isnt parent[1]
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route.push(
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"L", parentX2, y + 10,
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"L", parentX2, parentY - 5,
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)
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# End point
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route.push("L", parentX1, parentY)
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r
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.path(route)
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.attr(
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stroke: color
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"stroke-width": 2)
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markCommit: (commit) ->
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if commit.id is @options.commit_id
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r = @r
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x = @offsetX + @unitSpace * (@mspace - commit.space)
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y = @offsetY + @unitTime * commit.time
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r.path(["M", x + 5, y, "L", x + 15, y + 4, "L", x + 15, y - 4, "Z"]).attr(
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fill: "#000"
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"fill-opacity": .5
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stroke: "none"
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)
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# Displayed in the center
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@element.scrollTop(y - @graphHeight / 2)
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Raphael::commitTooltip = (x, y, commit) ->
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boxWidth = 300
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boxHeight = 200
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icon = @image(commit.author.icon, x, y, 20, 20)
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nameText = @text(x + 25, y + 10, commit.author.name)
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idText = @text(x, y + 35, commit.id)
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messageText = @text(x, y + 50, commit.message)
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textSet = @set(icon, nameText, idText, messageText).attr(
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"text-anchor": "start"
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font: "12px Monaco, monospace"
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)
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nameText.attr(
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font: "14px Arial"
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"font-weight": "bold"
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)
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idText.attr fill: "#AAA"
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@textWrap messageText, boxWidth - 50
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rect = @rect(x - 10, y - 10, boxWidth, 100, 4).attr(
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fill: "#FFF"
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stroke: "#000"
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"stroke-linecap": "round"
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"stroke-width": 2
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)
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tooltip = @set(rect, textSet)
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rect.attr(
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height: tooltip.getBBox().height + 10
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width: tooltip.getBBox().width + 10
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)
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tooltip.transform ["t", 20, 20]
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tooltip
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Raphael::textWrap = (t, width) ->
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content = t.attr("text")
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abc = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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t.attr text: abc
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letterWidth = t.getBBox().width / abc.length
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t.attr text: content
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words = content.split(" ")
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x = 0
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s = []
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for word in words
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if x + (word.length * letterWidth) > width
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s.push "\n"
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x = 0
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x += word.length * letterWidth
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s.push word + " "
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t.attr text: s.join("")
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b = t.getBBox()
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h = Math.abs(b.y2) - Math.abs(b.y) + 1
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t.attr y: b.y + h
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@BranchGraph = BranchGraph
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