1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
class @BlobView
constructor: ->
# handle multi-line select
handleMultiSelect = (e) ->
[ first_line, last_line ] = parseSelectedLines()
[ line_number ] = parseSelectedLines($(this).attr("id"))
hash = "L#{line_number}"
if e.shiftKey and not isNaN(first_line) and not isNaN(line_number)
if line_number < first_line
last_line = first_line
first_line = line_number
else
last_line = line_number
hash = if first_line == last_line then "L#{first_line}" else "L#{first_line}-#{last_line}"
setHash(hash)
e.preventDefault()
# See if there are lines selected
# "#L12" and "#L34-56" supported
highlightBlobLines = (e) ->
[ first_line, last_line ] = parseSelectedLines()
unless isNaN first_line
$("#tree-content-holder .highlight .line").removeClass("hll")
$("#LC#{line}").addClass("hll") for line in [first_line..last_line]
$.scrollTo("#L#{first_line}") unless e?
# parse selected lines from hash
# always return first and last line (initialized to NaN)
parseSelectedLines = (str) ->
first_line = NaN
last_line = NaN
hash = str || window.location.hash
if hash isnt ""
matches = hash.match(/\#?L(\d+)(\-(\d+))?/)
first_line = parseInt(matches?[1])
last_line = parseInt(matches?[3])
last_line = first_line if isNaN(last_line)
[ first_line, last_line ]
setHash = (hash) ->
hash = hash.replace(/^\#/, "")
nodes = $("#" + hash)
# if any nodes are using this id, they must be temporarily changed
# also, add a temporary div at the top of the screen to prevent scrolling
if nodes.length > 0
scroll_top = $(document).scrollTop()
nodes.attr("id", "")
tmp = $("<div></div>")
.css({ position: "absolute", visibility: "hidden", top: scroll_top + "px" })
.attr("id", hash)
.appendTo(document.body)
window.location.hash = hash
# restore the nodes
if nodes.length > 0
tmp.remove()
nodes.attr("id", hash)
# initialize multi-line select
$("#tree-content-holder .line-numbers a[id^=L]").on("click", handleMultiSelect)
# Highlight the correct lines on load
highlightBlobLines()
# Highlight the correct lines when the hash part of the URL changes
$(window).on("hashchange", highlightBlobLines)
|
