Truncate default_fields after configurable number of lines in collapsed view (issue #165)

KibanaConfig.rb

@@ -27,6 +27,10 @@ module KibanaConfig
   # Results to show per page
   Per_page = 50
 
+  # Maximum number of lines from multiline fields to display in collapsed view.
+  # Affects all Default_fields
+  Max_lines = 5
+
   # Timezone. Leave this set to 'user' to have the user's browser autocorrect.
   # Otherwise, set a timezone string
   # Examples: 'UTC', 'America/Phoenix', 'Europe/Athens', MST

lib/kibana-app.rb

@@ -66,6 +66,8 @@ def link_to url_fragment, mode=:full_url
     result.response['kibana']['default_fields'] = KibanaConfig::Default_fields
     # Enable clickable URL links
     result.response['kibana']['clickable_urls'] = KibanaConfig::Clickable_URLs
+    # Truncate Default_fields after Max_lines in collapsed view
+    result.response['kibana']['maxlines'] = KibanaConfig::Max_lines
 
     JSON.generate(result.response)
   end

public/lib/js/ajax.js

@@ -873,7 +873,14 @@ function CreateLogTable(objArray, fields, theme, enableHeader) {
       }
 
       var value = value === undefined ? "-" : value.toString();
-      var value = xmlEnt(wbr(value),10);
+      var maxlines = window.resultjson.kibana.maxlines;
+      var value = xmlEnt(wbr(value, 10)).split('<br/>').slice(0);
+      if (value.length > maxlines) {
+        var omitted = value.length - maxlines;
+        var value = value.slice(0, maxlines).join('<br/>') + '<br/><small>[...' + omitted + ' lines omitted...]</small>';
+      } else {
+        var value = value.join('<br/>');
+      }
       var value = value.replace(RegExp("@KIBANA_HIGHLIGHT_START@(.*?)@KIBANA_HIGHLIGHT_END@", "g"),
 	    function (all, text, char) {
 	      return "<span class='highlightedtext'>" + text + "</span>";