From f10e832037fabc718eb24d12c01c6dacd77967b7 Mon Sep 17 00:00:00 2001
From: Zachary Sloan
Date: Wed, 10 Oct 2012 17:25:50 -0500
Subject: Got the validation code for remove samples by index mostly working

---
 .../wqflask/static/new/javascript/validation.coffee   | 19 +++++++++++++------
 wqflask/wqflask/templates/show_trait.html             |  6 +++---
 2 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/wqflask/wqflask/static/new/javascript/validation.coffee b/wqflask/wqflask/static/new/javascript/validation.coffee
index f389254e..a2036c1d 100644
--- a/wqflask/wqflask/static/new/javascript/validation.coffee
+++ b/wqflask/wqflask/static/new/javascript/validation.coffee
@@ -1,19 +1,26 @@
 $ ->
 
     remove_samples_is_valid = (input)->
-        return $.isNumeric(input)
-    
-    #invalidate_block_by_index = ->
-    #    $('#remove_samples_invalid').show()
-    
+        splats = input.split(",")
+        new_splats = (_.trim(input) for input in splats)
+        console.log("new_splats:", new_splats)
+        pattern = /^\d+\s*(?:-\s*\d+)?\s*$/
+        for splat in new_splats
+            console.log("splat is:", splat)
+            if not splat.match(pattern)
+                return false
+        return true
+      
+       
     validate_remove_samples = ->
         input = $('#remove_samples_field').val()
         console.log("input is:", input)
-        $('#remove_samples_invalid').hide()
         if remove_samples_is_valid(input)
             console.log("input is valid")
+            $('#remove_samples_invalid').hide()
         else
             console.log("input isn't valid")
             $('#remove_samples_invalid').show()
     
+    
     $('#remove_samples_field').change(validate_remove_samples)
\ No newline at end of file
diff --git a/wqflask/wqflask/templates/show_trait.html b/wqflask/wqflask/templates/show_trait.html
index 5937b60b..a20017da 100644
--- a/wqflask/wqflask/templates/show_trait.html
+++ b/wqflask/wqflask/templates/show_trait.html
@@ -1232,9 +1232,9 @@
                                 </select>
                                 <input type="button" id="block_by_index" class="btn" value="Block">
                             </div>
-                            <div id="remove_samples_invalid" style="display:none;">
-                                  Please check that your input is formatted correctly
-                                </div>
+                            <div id="remove_samples_invalid" class="alert alert-error" style="display:none;">
+                                  Please check that your input is formatted correctly, e.g. <strong>3, 5-10, 12</strong>
+                            </div>
                             
                             <br>
 
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