Merge pull request #717 from Alfresco/dev-mvitale-673

Add first task selection on filter change

ng2-components/ng2-activiti-tasklist/src/components/activiti-task-details.component.ts

@@ -110,6 +110,17 @@ export class ActivitiTaskDetails implements OnInit {
         }
     }
 
+    /**
+     * Reset the task detail to undefined
+     */
+    reset() {
+        this.taskDetails = null;
+    }
+
+    /**
+     * Load the activiti task details
+     * @param taskId
+     */
     loadDetails(taskId: string) {
         this.taskForm = null;
         this.taskPeople = [];
@@ -142,10 +153,13 @@ export class ActivitiTaskDetails implements OnInit {
                 }
             );
         } else {
-            this.taskDetails = null;
+            this.reset();
         }
     }
 
+    /**
+     * Complete the activiti task
+     */
     onComplete() {
         this.activitiTaskList.completeTask(this.taskId).subscribe(
             (res) => {
@@ -154,14 +168,26 @@ export class ActivitiTaskDetails implements OnInit {
         );
     }
 
+    /**
+     * Emit the form saved event
+     * @param data
+     */
     formSavedEmitter(data: any) {
         this.formSaved.emit(data);
     }
 
+    /**
+     * Emit the form completed event
+     * @param data
+     */
     formCompletedEmitter(data: any) {
         this.formCompleted.emit(data);
     }
 
+    /**
+     * Emit the form loaded event
+     * @param data
+     */
     formLoadedEmitter(data: any) {
         this.formLoaded.emit(data);
     }

ng2-components/ng2-activiti-tasklist/src/components/activiti-tasklist.component.ts

@@ -95,6 +95,7 @@ export class ActivitiTaskList implements OnInit {
                 this.activiti.getTasks(filterParam).subscribe(
                     (response) => {
                         this.renderTasks(response.data);
+                        this.selectFirstTask();
                         this.onSuccess.emit(response);
                     }, (error) => {
                         console.error(error);
@@ -115,6 +116,25 @@ export class ActivitiTaskList implements OnInit {
         this.tasks = new ObjectDataTableAdapter(tasks, this.data.getColumns());
     }
 
+    /**
+     * Select the first task of a tasklist if present
+     */
+    private selectFirstTask() {
+        if (!this.isTaskListEmpty()) {
+            this.currentTaskId = this.tasks.getRows()[0].getValue('id');
+        } else {
+            this.currentTaskId = null;
+        }
+    }
+
+    /**
+     * Return the current task
+     * @returns {string}
+     */
+    getCurrentTaskId(): string {
+        return this.currentTaskId;
+    }
+
     /**
      * Check if the tasks list is empty
      * @returns {ObjectDataTableAdapter|boolean}