Hello there, preview pane.

This commit is contained in:
Steve Losh 2010-10-09 11:47:09 -04:00
parent 6d1f8fb3c7
commit 82678cbdeb

View File

@ -34,7 +34,9 @@ function! s:GundoMoveUp()
call cursor(0, idx2 + 1)
endif
call s:GundoRenderPreview()
let target_line = matchstr(getline("."), '\v\[[0-9]+\]')
let target_num = matchstr(target_line, '\v[0-9]+')
call s:GundoRenderPreview(target_num)
endfunction
function! s:GundoMoveDown()
@ -49,7 +51,9 @@ function! s:GundoMoveDown()
call cursor(0, idx2 + 1)
endif
call s:GundoRenderPreview()
let target_line = matchstr(getline("."), '\v\[[0-9]+\]')
let target_num = matchstr(target_line, '\v[0-9]+')
call s:GundoRenderPreview(target_num)
endfunction
"}}}
@ -101,6 +105,9 @@ function! s:GundoToggle()
call s:GundoOpenPreview()
exe bufwinnr(g:gundo_target_n) . "wincmd w"
GundoRender
let target_line = matchstr(getline("."), '\v\[[0-9]+\]')
let target_num = matchstr(target_line, '\v[0-9]+')
call s:GundoRenderPreview(target_num)
endif
endfunction
@ -110,6 +117,7 @@ function! s:GundoMarkPreviewBuffer()
setlocal noswapfile
setlocal buflisted
setlocal nomodifiable
setlocal filetype=diff
endfunction
function! s:GundoMarkBuffer()
@ -603,16 +611,35 @@ endfunction
"}}}
"{{{ Preview Rendering
function! s:GundoRenderPreview()
function! s:GundoRenderPreview(target)
python << ENDPYTHON
import vim
import difflib
_goto_window_for_buffer(vim.eval('g:gundo_target_n'))
root, nodes = make_nodes(entries)
current = changenr(nodes)
print current
target_n = int(vim.eval('a:target'))
node_after = [node for node in nodes if node.n == target_n][0]
node_before = node_after.parent
vim.command('silent undo %d' % node_before.n)
before = vim.current.buffer[:]
vim.command('silent undo %d' % node_after.n)
after = vim.current.buffer[:]
vim.command('silent undo %d' % current)
_goto_window_for_buffer_name('__Gundo_Preview__')
vim.command('setlocal modifiable')
diff = list(difflib.unified_diff(before, after, node_before.n, node_after.n))
vim.current.buffer[:] = diff
vim.command('setlocal nomodifiable')
_goto_window_for_buffer_name('__Gundo__')
ENDPYTHON
endfunction
"}}}