Customize tracking tables

The tracking tab in AEM Forms workspace is used to display the details of process instances in which the logged-in user is involved. To view the tracking tables, first select a process name in the left pane to see its list of instances in middle pane. Select a process instance to see a table of tasks generated by this instance in the right pane. By default, the table columns display the following task attributes (corresponding attribute in task model is given in parentheses):

• ID ( taskId)
• Name ( stepName)
• Instructions ( instructions)
• Selected Action ( selectedRoute)
• Creation Time ( createTime)
• Completion Time ( completeTime)
• Owner ( currentAssignment.queueOwner)

The remaining attributes in the task model available for display in the task table are:

For the following customizations in the task table, you need to do semantic changes in the source code. See Introduction to Customizing AEM Forms workspace fo how you can make semantic changes using workspace SDK and build a minified package from the changed source.

Changing table columns and their order

1. To modify the task attributes displayed in the table and their order, configure the file /ws/js/runtime/templates/processinstancehistory.html :

   <table>
       <thead>
           <tr>
               <!-- put the column headings in order here, for example-->
               <th><%= $.t('history.fixedTaskTableHeader.taskName')%></th>
               <th><%= $.t('history.fixedTaskTableHeader.taskInstructions')%></th>
               <th><%= $.t('history.fixedTaskTableHeader.taskRoute')%></th>
               <th><%= $.t('history.fixedTaskTableHeader.taskCreateTime')%></th>
               <th><%= $.t('history.fixedTaskTableHeader.taskCompleteTime')%></th>
           </tr>
       </thead>
   </table>
   

   <table>
       <tbody>
           <%_.each(obj, function(task){%>
           <tr>
               <!-- Put the task attributes in the order of headings, for example -->
               <td><%= task.stepName %></td>
               <td><%= task.instructions %></td>
               <td><%= !task.selectedRoute?'':(task.selectedRoute=='null'?'Default':task.selectedRoute) %></td>
               <td><%= task.createTime?task.formattedCreateTime:'' %></td>
               <td><%= task.completeTime? task.formattedCompleteTime:'' %></td>
           </tr>
           <%});%>
       </tbody>
   </table>
   

Sorting a tracking table

To sort the task list table when you click the column heading:

1. Register a click handler for .fixedTaskTableHeader th in the file js/runtime/views/processinstancehistory.js.

   events: {
       //other handlers
       "click .fixedTaskTableHeader th": "onTaskTableHeaderClick",
       //other handlers
   }
   

   In the handler, invoke the onTaskTableHeaderClick function of js/runtime/util/history.js.

   onTaskTableHeaderClick: function (event) {
           history.onTaskTableHeaderClick(event);
   }
   

2. Expose the TaskTableHeaderClick method in js/runtime/util/history.js.

   The method finds the task attribute from the click event, sorts the tasklist on that attribute, and renders the task table with the sorted tasklist.

   Sorting is done using the Backbone sort function on the tasklist collection by providing a comparator function.

       return {
           //other methods
           onTaskTableHeaderClick  : onTaskTableHeaderClick,
           //other methods
       };
   

   onTaskTableHeaderClick = function (event) {
           var target = $(event.target),
            comparator,
               attribute;
           if(target.hasClass('taskName')){
            attribute = 'stepName';
           } else if(target.hasClass('taskInstructions')){
               attribute = 'instructions';
           } else if(target.hasClass('taskRoute')){
               attribute = 'selectedRoute';
           } else if(target.hasClass('taskCreateTime')){
               attribute = 'createTime';
           } else if(target.hasClass('taskCompleteTime')){
               attribute = 'completeTime';
           }
           taskList.comparator = function (task) {
            return task.get(attribute);
           };
           taskList.sort();
           render();
       };
   

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