Scarab commit: svn commit: r10710 - trunk/src/webapp/scripts/guiUtils.js

Author: dabbous
Date: 2009-03-28 10:29:06-0700
New Revision: 10710

Added:
   trunk/src/webapp/scripts/guiUtils.js

Log:
Experimental support for zebra tables (still does not work yet).

Added: trunk/src/webapp/scripts/guiUtils.js
Url: http://scarab.tigris.org/source/browse/scarab/trunk/src/webapp/scripts/guiUtils.js?view=markup&pathrev=10710
==============================================================================
--- (empty file)
+++ trunk/src/webapp/scripts/guiUtils.js	2009-03-28 10:29:06-0700
@@ -0,0 +1,70 @@
+  // this function is needed to work around 
+  // a bug in IE related to element attributes
+  function hasClass(obj) {
+     var result = false;
+     if (obj.getAttributeNode("class") != null) {
+         result = obj.getAttributeNode("class").value;
+     }
+     return result;
+  }   
+
+ function stripe(id) {
+
+    // the flag we'll use to keep track of 
+    // whether the current row is odd or even
+    var even = false;
+  
+    // if arguments are provided to specify the colours
+    // of the even & odd rows, then use the them;
+    // otherwise use the following defaults:
+    var evenColor = arguments[1] ? arguments[1] : "#fff";
+    var oddColor = arguments[2] ? arguments[2] : "#eee";
+  
+    // obtain a reference to the desired table
+    // if no such table exists, abort
+    var table = document.getElementById(id);
+    if (! table) { return; }
+    
+    // by definition, tables can have more than one tbody
+    // element, so we'll have to get the list of child
+    // <tbody>s 
+    var tbodies = table.getElementsByTagName("tbody");
+
+    // and iterate through them...
+    for (var h = 0; h < tbodies.length; h++) {
+    
+     // find all the &lt;tr&gt; elements... 
+      var trs = tbodies[h].getElementsByTagName("tr");
+      
+      // ... and iterate through them
+      for (var i = 0; i < trs.length; i++) {
+
+        // avoid rows that have a class attribute
+        // or backgroundColor style
+        if (! hasClass(trs[i]) &&
+            ! trs[i].style.backgroundColor) {
+ 		  
+          // get all the cells in this row...
+          var tds = trs[i].getElementsByTagName("td");
+        
+          // and iterate through them...
+          for (var j = 0; j < tds.length; j++) {
+        
+            var mytd = tds[j];
+
+            // avoid cells that have a class attribute
+            // or backgroundColor style
+            if (! hasClass(mytd) &&
+                ! mytd.style.backgroundColor) {
+        
+              mytd.style.backgroundColor =
+                even ? evenColor : oddColor;
+            
+            }
+          }
+        }
+        // flip from odd to even, or vice-versa
+        even =  ! even;
+      }
+    }
+  }

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