359629: Display last commented date at top of task editor

Change-Id: Ia49233707a55199fb897c2933efdef23fa1167e4
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=359629

4 files changed, 42 insertions, 0 deletions

diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/LastCommentedAttributeEditor.java b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/LastCommentedAttributeEditor.java
new file mode 100644
index 000000000..dfbce639b
--- /dev/null
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/LastCommentedAttributeEditor.java
@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Tasktop Technologies and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Tasktop Technologies - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.tasks.ui.editors;
+
+import org.eclipse.mylyn.tasks.core.data.TaskAttribute;
+import org.eclipse.mylyn.tasks.core.data.TaskDataModel;
+
+public class LastCommentedAttributeEditor extends DateAttributeEditor {
+
+	public LastCommentedAttributeEditor(TaskDataModel manager, TaskAttribute taskAttribute) {
+		super(manager, taskAttribute);
+	}
+
+	@Override
+	public String getLabel() {
+		return Messages.LastCommentedAttributeEditor_dateLastCommented;
+	}
+}
diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/Messages.java b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/Messages.java
index 799810580..a05cb6202 100644
--- a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/Messages.java
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/Messages.java
@@ -55,6 +55,8 @@ public class Messages extends NLS {
 
 	public static String CheckboxMultiSelectAttributeEditor_Select_X;
 
+	public static String LastCommentedAttributeEditor_dateLastCommented;
+
 	public static String CommentGroupStrategy_Current;
 
 	public static String CommentGroupStrategy_Older;
diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/TaskEditorSummaryPart.java b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/TaskEditorSummaryPart.java
index cabc51084..2383408aa 100644
--- a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/TaskEditorSummaryPart.java
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/TaskEditorSummaryPart.java
@@ -12,6 +12,8 @@
 
 package org.eclipse.mylyn.internal.tasks.ui.editors;
 
+import java.util.List;
+
 import org.eclipse.jface.layout.GridDataFactory;
 import org.eclipse.jface.layout.GridLayoutFactory;
 import org.eclipse.mylyn.commons.ui.CommonImages;
@@ -238,6 +240,16 @@ public class TaskEditorSummaryPart extends AbstractTaskEditorPart {
 
 		TaskAttribute dateModified = getTaskData().getRoot().getMappedAttribute(TaskAttribute.DATE_MODIFICATION);
 		addAttribute(headerComposite, toolkit, dateModified, EditorUtil.HEADER_COLUMN_MARGIN, true, false, true);
+
+		List<TaskAttribute> commentAttributes = getTaskData().getAttributeMapper().getAttributesByType(getTaskData(),
+				TaskAttribute.TYPE_COMMENT);
+		if (!commentAttributes.isEmpty()) {
+			TaskAttribute lastComment = commentAttributes.get(commentAttributes.size() - 1);
+			if (lastComment.getMappedAttribute(TaskAttribute.COMMENT_DATE) != null) {
+				addAttribute(headerComposite, toolkit, lastComment.getMappedAttribute(TaskAttribute.COMMENT_DATE),
+						EditorUtil.HEADER_COLUMN_MARGIN, true, true, true);
+			}
+		}
 	}
 
 	public boolean needsHeader() {
diff --git a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/messages.properties b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/messages.properties
index 0a7b7fc23..62f6488d6 100644
--- a/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/messages.properties
+++ b/org.eclipse.mylyn.tasks.ui/src/org/eclipse/mylyn/internal/tasks/ui/editors/messages.properties
@@ -27,6 +27,7 @@ BrowserPreviewViewer_The_repository_does_not_support_HTML_preview=The repository
 
 CheckboxMultiSelectAttributeEditor_Select_X=Select {0}
 
+LastCommentedAttributeEditor_dateLastCommented=Last commented:
 CommentGroupStrategy_Current=Current
 CommentGroupStrategy_Older=Older
 CommentGroupStrategy_Recent=Recent