From cd808a5fe5b2cc3bcf4b92d0b6455cab6bbf7448 Mon Sep 17 00:00:00 2001
From: mattn <mattn.jp@gmail.com>
Date: Tue, 11 Mar 2014 16:39:35 +0900
Subject: [PATCH] New emmet feature: update tag

---
 autoload/emmet.vim | 28 ++++++++++++++++++++++++++++
 plugin/emmet.vim   |  2 ++
 2 files changed, 30 insertions(+)

diff --git a/autoload/emmet.vim b/autoload/emmet.vim
index 7c646be..72c4c01 100644
--- a/autoload/emmet.vim
+++ b/autoload/emmet.vim
@@ -660,6 +660,34 @@ function! emmet#expandAbbr(mode, abbr) range
   return ''
 endfunction
 
+function! emmet#updateTag()
+  let type = emmet#getFileType()
+  let region = emmet#util#searchRegion('<\S', '>')
+  if !emmet#util#regionIsValid(region) || !emmet#util#cursorInRegion(region)
+    return ''
+  endif
+  let content = emmet#util#getContent(region)
+  if content !~ '^<[^><]\+>$'
+      echo string(content)
+    return ''
+  endif
+  let current = emmet#lang#html#parseTag(content)
+  if empty(current)
+    return ''
+  endif
+
+  let str = substitute(input('Enter Abbreviation: ', ''), '^\s*\(.*\)\s*$', '\1', 'g')
+  let item = emmet#parseIntoTree(str, type).child[0]
+  for k in keys(item.attr)
+    let current.attr[k] = item.attr[k]
+  endfor
+  let html = substitute(emmet#toString(current, 'html', 1), '\n', '', '')
+  let html = substitute(html, '\${cursor}', '', '')
+  let html = matchstr(html,  '^<[^><]\+>')
+  call emmet#util#setContent(region, html)
+  return ''
+endfunction
+
 function! emmet#moveNextPrevItem(flag)
   let type = emmet#getFileType()
   let rtype = emmet#lang#exists(type) ? type : 'html'
diff --git a/plugin/emmet.vim b/plugin/emmet.vim
index cd6c385..e1e7f76 100644
--- a/plugin/emmet.vim
+++ b/plugin/emmet.vim
@@ -106,6 +106,8 @@ function! s:install_plugin(mode, buffer)
   \ {'mode': 'v', 'var': 'user_emmet_expandabbr_key', 'key': ',', 'plug': 'emmmet-expand-abbr', 'func': ':call emmet#expandAbbr(2,"")<cr>'},
   \ {'mode': 'i', 'var': 'user_emmet_expandword_key', 'key': ';', 'plug': 'emmet-expand-word', 'func': '<c-r>=emmet#util#closePopup()<cr><c-r>=emmet#expandAbbr(1,"")<cr><right>'},
   \ {'mode': 'n', 'var': 'user_emmet_expandword_key', 'key': ';', 'plug': 'emmet-expand-word', 'func': ':call emmet#expandAbbr(1,"")<cr>'},
+  \ {'mode': 'i', 'var': 'user_emmet_update_tag', 'key': 'u', 'plug': 'emmmet-update-tag', 'func': '<c-r>=emmet#util#closePopup()<cr><c-r>=emmet#updateTag()<cr>'},
+  \ {'mode': 'n', 'var': 'user_emmet_update_tag', 'key': 'u', 'plug': 'emmmet-update-tag', 'func': ':call emmet#updateTag()<cr>'},
   \ {'mode': 'i', 'var': 'user_emmet_balancetaginward_key', 'key': 'd', 'plug': 'emmet-balance-tag-inward', 'func': '<esc>:call emmet#balanceTag(1)<cr>'},
   \ {'mode': 'n', 'var': 'user_emmet_balancetaginward_key', 'key': 'd', 'plug': 'emmet-balance-tag-inward', 'func': ':call emmet#balanceTag(1)<cr>'},
   \ {'mode': 'v', 'var': 'user_emmet_balancetaginward_key', 'key': 'd', 'plug': 'emmet-balance-tag-inward', 'func': ':call emmet#balanceTag(2)<cr>'},