Add setting for verbose output. Disable by default.

Author: ntpeters

README.md

@@ -99,6 +99,11 @@ Whitespace highlighting is enabled by default, with a highlight color of red.
     let g:better_whitespace_filetypes_blacklist=['<filetype1>', '<filetype2>', '<etc>']
     ```
 
+*  To enable verbose output for each command, set verbosity in your `.vimrc`:
+    ```
+    let g:better_whitespace_verbosity=1
+    ```
+
 ##Screenshots
 Here are a couple more screenshots of the plugin at work.
 

plugin/better-whitespace.vim

@@ -36,6 +36,9 @@ call s:InitVariable('g:strip_whitespace_on_save', 0)
 let default_blacklist=['diff', 'gitcommit', 'unite', 'qf', 'help']
 call s:InitVariable('g:better_whitespace_filetypes_blacklist', default_blacklist)
 
+" Disable verbosity by default
+call s:InitVariable('g:better_whitespace_verbosity', 0)
+
 " Only init once
 let s:better_whitespace_initialized = 0
 
@@ -67,6 +70,13 @@ function! s:WhitespaceInit()
     let s:better_whitespace_initialized = 1
 endfunction
 
+" Like 'echo', but only outputs the message when verbosity is enabled
+function! s:Echo(message)
+    if g:better_whitespace_verbosity == 1
+        echo a:message
+    endif
+endfunction
+
 " Enable the whitespace highlighting
 function! s:EnableWhitespace()
     if g:better_whitespace_enabled == 0
@@ -75,7 +85,7 @@ function! s:EnableWhitespace()
         " Match default whitespace
         call s:InAllWindows('match ExtraWhitespace /\s\+$/')
         call <SID>SetupAutoCommands()
-        echo "Whitespace Highlighting: Enabled"
+        call <SID>Echo("Whitespace Highlighting: Enabled")
     endif
 endfunction
 
@@ -86,7 +96,7 @@ function! s:DisableWhitespace()
         " Clear current whitespace matches
         call s:InAllWindows("match ExtraWhitespace '' | syn clear ExtraWhitespace")
         call <SID>SetupAutoCommands()
-        echo "Whitespace Highlighting: Disabled"
+        call <SID>Echo("Whitespace Highlighting: Disabled")
     endif
 endfunction
 
@@ -112,12 +122,12 @@ function! s:CurrentLineWhitespaceOff( level )
             let g:current_line_whitespace_disabled_hard = 1
             let g:current_line_whitespace_disabled_soft = 0
             call s:InAllWindows('syn clear ExtraWhitespace | match ExtraWhitespace /\s\+$/')
-            echo "Current Line Hightlight Off (hard)"
+            call <SID>Echo("Current Line Hightlight Off (hard)")
         elseif a:level == 'soft'
             let g:current_line_whitespace_disabled_soft = 1
             let g:current_line_whitespace_disabled_hard = 0
             call s:InAllWindows("match ExtraWhitespace ''")
-            echo "Current Line Hightlight Off (soft)"
+            call <SID>Echo("Current Line Hightlight Off (soft)")
         endif
         " Re-run auto commands with the new settings
         call <SID>SetupAutoCommands()
@@ -131,7 +141,7 @@ function! s:CurrentLineWhitespaceOn()
         let g:current_line_whitespace_disabled_soft = 0
         call <SID>SetupAutoCommands()
         call s:InAllWindows('syn clear ExtraWhitespace | match ExtraWhitespace /\s\+$/')
-        echo "Current Line Hightlight On"
+        call <SID>Echo("Current Line Hightlight On")
     endif
 endfunction
 
@@ -154,10 +164,10 @@ endfunction
 function! s:ToggleStripWhitespaceOnSave()
     if g:strip_whitespace_on_save == 0
         let g:strip_whitespace_on_save = 1
-        echo "Strip Whitespace On Save: Enabled"
+        call <SID>Echo("Strip Whitespace On Save: Enabled")
     else
         let g:strip_whitespace_on_save = 0
-        echo "Strip Whitespace On Save: Disabled"
+        call <SID>Echo("Strip Whitespace On Save: Disabled")
     endif
     call <SID>SetupAutoCommands()
 endfunction