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Refactor Parallel Diff feature and add scrollbars

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Also now removed lines relating to unused comments feature
This commit is contained in:
George Dewar 2014-03-21 17:05:46 +13:00
parent ad7cd8fb35
commit 83f811fff5
4 changed files with 147 additions and 71 deletions
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25
app/assets/stylesheets/sections/diff.scss
View file

@ -62,6 +62,29 @@
font-size: 12px;
}
}
.text-file-parallel div {
display: inline-block;
padding-bottom: 16px;
}
.diff-side {
overflow-x: scroll;
width: 508px;
height: 700px;
}
.diff-side.diff-side-left{
overflow-y:hidden;
}
.diff-side table, td.diff-middle table {
height: 700px;
}
.diff-middle {
width: 114px;
vertical-align: top;
height: 700px;
overflow: hidden
}
.old_line, .new_line, .diff_line {
margin: 0px;
padding: 0px;
@ -125,8 +148,6 @@
}
&.parallel {
display: table-cell;
overflow: hidden;
width: 50%;
}
}
}

76
app/helpers/commits_helper.rb
View file

@ -105,8 +105,80 @@ module CommitsHelper
branches.sort.map { |branch| link_to(branch, project_tree_path(project, branch)) }.join(", ").html_safe
end
def get_old_file(project, commit, diff)
project.repository.blob_at(commit.parent_id, diff.old_path) if commit.parent_id
def parallel_diff_lines(project, commit, diff, file)
old_file = project.repository.blob_at(commit.parent_id, diff.old_path) if commit.parent_id
deleted_lines = {}
added_lines = {}
each_diff_line(diff, 0) do |line, type, line_code, line_new, line_old|
if type == "old"
deleted_lines[line_old] = { line_code: line_code, type: type, line: line }
elsif type == "new"
added_lines[line_new] = { line_code: line_code, type: type, line: line }
end
end
max_length = old_file ? old_file.sloc + added_lines.length : file.sloc
offset1 = 0
offset2 = 0
old_lines = []
new_lines = []
max_length.times do |line_index|
line_index1 = line_index - offset1
line_index2 = line_index - offset2
deleted_line = deleted_lines[line_index1 + 1]
added_line = added_lines[line_index2 + 1]
old_line = old_file.lines[line_index1] if old_file
new_line = file.lines[line_index2]
if deleted_line && added_line
elsif deleted_line
new_line = nil
offset2 += 1
elsif added_line
old_line = nil
offset1 += 1
end
old_lines[line_index] = DiffLine.new
new_lines[line_index] = DiffLine.new
# old
if line_index == 0 && diff.new_file
old_lines[line_index].type = :file_created
old_lines[line_index].content = 'File was created'
elsif deleted_line
old_lines[line_index].type = :deleted
old_lines[line_index].content = old_line
old_lines[line_index].num = line_index1 + 1
old_lines[line_index].code = deleted_line[:line_code]
elsif old_line
old_lines[line_index].type = :no_change
old_lines[line_index].content = old_line
old_lines[line_index].num = line_index1 + 1
else
old_lines[line_index].type = :added
end
# new
if line_index == 0 && diff.deleted_file
new_lines[line_index].type = :file_deleted
new_lines[line_index].content = "File was deleted"
elsif added_line
new_lines[line_index].type = :added
new_lines[line_index].num = line_index2 + 1
new_lines[line_index].content = new_line
new_lines[line_index].code = added_line[:line_code]
elsif new_line
new_lines[line_index].type = :no_change
new_lines[line_index].num = line_index2 + 1
new_lines[line_index].content = new_line
else
new_lines[line_index].type = :deleted
end
end
return old_lines, new_lines
end
protected

3
app/models/diff_line.rb Normal file
View file

@ -0,0 +1,3 @@
class DiffLine
attr_accessor :type, :content, :num, :code
end

114
app/views/projects/commits/_parallel_view.html.haml
View file

@ -1,75 +1,55 @@
/ Side-by-side diff view
- old_file = get_old_file(project, @commit, diff)
- deleted_lines = {}
- added_lines = {}
- each_diff_line(diff, index) do |line, type, line_code, line_new, line_old, raw_line|
- if type == "old"
- deleted_lines[line_old] = { line_code: line_code, type: type, line: line }
- elsif type == "new"
- added_lines[line_new] = { line_code: line_code, type: type, line: line }
- max_length = old_file.sloc + added_lines.length if old_file
- max_length ||= file.sloc
- offset1 = 0
- offset2 = 0
- old_lines, new_lines = parallel_diff_lines(project, @commit, diff, file)
- num_lines = old_lines.length
%div.text-file-parallel
%table{ style: "table-layout: fixed;" }
- max_length.times do |line_index|
- line_index1 = line_index - offset1
- line_index2 = line_index - offset2
- deleted_line = deleted_lines[line_index1 + 1]
- added_line = added_lines[line_index2 + 1]
- old_line = old_file.lines[line_index1] if old_file
- new_line = file.lines[line_index2]
%div.diff-side.diff-side-left
%table
- old_lines.each do |line|
- if deleted_line && added_line
- elsif deleted_line
- new_line = nil
- offset2 += 1
- elsif added_line
- old_line = nil
- offset1 += 1
%tr.line_holder.parallel
- if line.type == :file_created
%td.line_content.parallel= "File was created"
- elsif line.type == :deleted
%td.line_content{class: "parallel noteable_line old #{line.code}", "line_code" => line.code }= line.content
- else line.type == :no_change
%td.line_content.parallel= line.content
%tr.line_holder.parallel
- if line_index == 0 && diff.new_file
%td.line_content.parallel= "File was created"
%td.old_line= ""
- elsif deleted_line
%td.line_content{class: "parallel noteable_line old #{deleted_line[:line_code]}", "line_code" => deleted_line[:line_code] }= old_line
%td.old_line.old
= line_index1 + 1
- if @comments_allowed
=# render "projects/notes/diff_note_link", line_code: deleted_line[:line_code]
- elsif old_line
%td.line_content.parallel= old_line
%td.old_line= line_index1 + 1
- else
%td.line_content.parallel= ""
%td.old_line= ""
%div.diff-middle
%table
- num_lines.times do |index|
%tr
- if old_lines[index].type == :deleted
%td.old_line.old= old_lines[index].num
- else
%td.old_line= old_lines[index].num
%td.diff_line= ""
%td.diff_line=""
- if diff.deleted_file && line_index == 0
%td.new_line= ""
%td.line_content.parallel= "File was deleted"
- elsif added_line
%td.new_line.new
= line_index2 + 1
- if @comments_allowed
=# render "projects/notes/diff_note_link", line_code: added_line[:line_code]
%td.line_content{class: "parallel noteable_line new #{added_line[:line_code]}", "line_code" => added_line[:line_code] }= new_line
- elsif new_line
%td.new_line= line_index2 + 1
%td.line_content.parallel= new_line
- else
%td.new_line= ""
%td.line_content.parallel= ""
- if new_lines[index].type == :added
%td.new_line.new= new_lines[index].num
- else
%td.new_line= new_lines[index].num
- if @reply_allowed
- comments1 = []
- comments2 = []
- comments1 = @line_notes.select { |n| n.line_code == deleted_line[:line_code] }.sort_by(&:created_at) if deleted_line
- comments2 = @line_notes.select { |n| n.line_code == added_line[:line_code] }.sort_by(&:created_at) if added_line
- unless comments1.empty? && comments2.empty?
= render "projects/notes/diff_notes_with_reply_parallel", notes1: comments1, notes2: comments2, line1: deleted_line, line2: added_line
%div.diff-side.diff-side-right
%table
- new_lines.each do |line|
%tr.line_holder.parallel
- if line.type == :file_deleted
%td.line_content.parallel= "File was deleted"
- elsif line.type == :added
%td.line_content{class: "parallel noteable_line new #{line.code}", "line_code" => line.code }= line.content
- else line.type == :no_change
%td.line_content.parallel= line.content
:javascript
$('.diff-side-right').on('scroll', function(){
$('.diff-side-left, .diff-middle').scrollTop($(this).scrollTop());
$('.diff-side-left').scrollLeft($(this).scrollLeft());
});
$('.diff-side-left').on('scroll', function(){
$('.diff-side-right, .diff-middle').scrollTop($(this).scrollTop()); // might never be relevant
$('.diff-side-right').scrollLeft($(this).scrollLeft());
});