gitlabhq/app/assets/javascripts/branch-graph.js.coffee
2013-03-19 19:27:15 +09:00

280 lines
7.6 KiB
CoffeeScript

class BranchGraph
constructor: (@element, @options) ->
@preparedCommits = {}
@mtime = 0
@mspace = 0
@parents = {}
@colors = ["#000"]
@load()
load: ->
$.ajax
url: @options.url
method: "get"
dataType: "json"
success: $.proxy((data) ->
$(".loading", @element).hide()
@prepareData data.days, data.commits
@buildGraph()
, this)
prepareData: (@days, @commits) ->
@collectParents()
@mtime += 4
@mspace += 10
for c in @commits
c.isParent = true if c.id of @parents
@preparedCommits[c.id] = c
@collectColors()
collectParents: ->
for c in @commits
@mtime = Math.max(@mtime, c.time)
@mspace = Math.max(@mspace, c.space)
for p in c.parents
@parents[p[0]] = true
collectColors: ->
k = 0
while k < @mspace
@colors.push Raphael.getColor(.8)
# Skipping a few colors in the spectrum to get more contrast between colors
Raphael.getColor()
Raphael.getColor()
k++
buildGraph: ->
graphWidth = $(@element).width()
ch = @mspace * 10 + 100
cw = Math.max(graphWidth, @mtime * 20 + 260)
r = Raphael(@element.get(0), cw, ch)
top = r.set()
cuday = 0
cumonth = ""
@offsetX = 20
@offsetY = 50
barWidth = Math.max(graphWidth, @days.length * 20 + 320)
@scrollLeft = cw
@raphael = r
r.rect(0, 0, barWidth, 20).attr fill: "#222"
r.rect(0, 20, barWidth, 20).attr fill: "#444"
for day, mm in @days
if cuday isnt day[0]
# Dates
r.text(@offsetX + mm * 20, 30, day[0])
.attr(
font: "12px Monaco, monospace"
fill: "#DDD"
)
cuday = day[0]
if cumonth isnt day[1]
# Months
r.text(@offsetX + mm * 20, 10, day[1])
.attr(
font: "12px Monaco, monospace"
fill: "#EEE"
)
cumonth = day[1]
for commit in @commits
x = @offsetX + 20 * commit.time
y = @offsetY + 10 * commit.space
@drawDot(x, y, commit)
@drawLines(x, y, commit)
@appendLabel(x, y, commit.refs) if commit.refs
@appendAnchor(top, commit, x, y)
@markCommit(x, y, commit, graphWidth)
top.toFront()
@element.scrollLeft @scrollLeft
@bindEvents()
bindEvents: ->
drag = {}
element = @element
dragger = (event) ->
element.scrollLeft drag.sl - (event.clientX - drag.x)
element.scrollTop drag.st - (event.clientY - drag.y)
element.on mousedown: (event) ->
drag =
x: event.clientX
y: event.clientY
st: element.scrollTop()
sl: element.scrollLeft()
$(window).on "mousemove", dragger
$(window).on
mouseup: ->
$(window).off "mousemove", dragger
keydown: (event) ->
# left
element.scrollLeft element.scrollLeft() - 50 if event.keyCode is 37
# top
element.scrollTop element.scrollTop() - 50 if event.keyCode is 38
# right
element.scrollLeft element.scrollLeft() + 50 if event.keyCode is 39
# bottom
element.scrollTop element.scrollTop() + 50 if event.keyCode is 40
appendLabel: (x, y, refs) ->
r = @raphael
shortrefs = refs
# Truncate if longer than 15 chars
shortrefs = shortrefs.substr(0, 15) + "" if shortrefs.length > 17
text = r.text(x + 5, y + 8 + 10, shortrefs).attr(
font: "10px Monaco, monospace"
fill: "#FFF"
title: refs
)
textbox = text.getBBox()
text.transform ["t", textbox.height / -4, textbox.width / 2 + 5, "r90"]
# Create rectangle based on the size of the textbox
rect = r.rect(x, y, textbox.width + 15, textbox.height + 5, 4).attr(
fill: "#000"
"fill-opacity": .7
stroke: "none"
)
triangle = r.path(["M", x, y + 5, "L", x + 4, y + 15, "L", x - 4, y + 15, "Z"]).attr(
fill: "#000"
"fill-opacity": .7
stroke: "none"
)
# Rotate and reposition rectangle over text
rect.transform ["r", 90, x, y, "t", 15, -9]
# Set text to front
text.toFront()
appendAnchor: (top, commit, x, y) ->
r = @raphael
options = @options
anchor = r.circle(x, y, 10).attr(
fill: "#000"
opacity: 0
cursor: "pointer"
).click(->
window.open options.commit_url.replace("%s", commit.id), "_blank"
).hover(->
@tooltip = r.commitTooltip(x, y + 5, commit)
top.push @tooltip.insertBefore(this)
, ->
@tooltip and @tooltip.remove() and delete @tooltip
)
top.push anchor
drawDot: (x, y, commit) ->
r = @raphael
r.circle(x, y, 3).attr(
fill: @colors[commit.space]
stroke: "none"
)
drawLines: (x, y, commit) ->
r = @raphael
for parent in commit.parents
parentCommit = @preparedCommits[parent[0]]
parentX = @offsetX + 20 * parentCommit.time
parentY1 = @offsetY + 10 * parentCommit.space
parentY2 = @offsetY + 10 * parent[1]
if parentCommit.space is commit.space and parentCommit.space is parent[1]
r.path(["M", x, y, "L", parentX, parentY1]).attr(
stroke: @colors[parentCommit.space]
"stroke-width": 2
)
else if parentCommit.space < commit.space
if y is parentY2
r.path(["M", x - 5, y, "l-5,-2,0,4,5,-2", "L", x - 10, y, "L", x - 15, parentY2, "L", parentX + 5, parentY2, "L", parentX, parentY1]).attr(
stroke: @colors[commit.space]
"stroke-width": 2
)
else
r.path(["M", x - 3, y - 6, "l-4,-3,4,-2,0,5", "L", x - 5, y - 10, "L", x - 10, parentY2, "L", parentX + 5, parentY2, "L", parentX, parentY1]).attr(
stroke: @colors[commit.space]
"stroke-width": 2
)
else
r.path(["M", x - 3, y + 6, "l-4,3,4,2,0,-5", "L", x - 5, y + 10, "L", x - 10, parentY2, "L", parentX + 5, parentY2, "L", parentX, parentY1]).attr(
stroke: @colors[parentCommit.space]
"stroke-width": 2
)
markCommit: (x, y, commit, graphWidth) ->
if commit.id is @options.commit_id
r = @raphael
r.path(["M", x, y - 5, "L", x + 4, y - 15, "L", x - 4, y - 15, "Z"]).attr(
fill: "#000"
"fill-opacity": .7
stroke: "none"
)
# Displayed in the center
@scrollLeft = x - graphWidth / 2
Raphael::commitTooltip = (x, y, commit) ->
boxWidth = 300
boxHeight = 200
icon = @image(commit.author.icon, x, y, 20, 20)
nameText = @text(x + 25, y + 10, commit.author.name)
idText = @text(x, y + 35, commit.id)
messageText = @text(x, y + 50, commit.message)
textSet = @set(icon, nameText, idText, messageText).attr(
"text-anchor": "start"
font: "12px Monaco, monospace"
)
nameText.attr(
font: "14px Arial"
"font-weight": "bold"
)
idText.attr fill: "#AAA"
@textWrap messageText, boxWidth - 50
rect = @rect(x - 10, y - 10, boxWidth, 100, 4).attr(
fill: "#FFF"
stroke: "#000"
"stroke-linecap": "round"
"stroke-width": 2
)
tooltip = @set(rect, textSet)
rect.attr(
height: tooltip.getBBox().height + 10
width: tooltip.getBBox().width + 10
)
tooltip.transform ["t", 20, 20]
tooltip
Raphael::textWrap = (t, width) ->
content = t.attr("text")
abc = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
t.attr text: abc
letterWidth = t.getBBox().width / abc.length
t.attr text: content
words = content.split(" ")
x = 0
s = []
for word in words
if x + (word.length * letterWidth) > width
s.push "\n"
x = 0
x += word.length * letterWidth
s.push word + " "
t.attr text: s.join("")
b = t.getBBox()
h = Math.abs(b.y2) - Math.abs(b.y) + 1
t.attr y: b.y + h
@BranchGraph = BranchGraph