Display a 'Modified' tag in the State column for modified pages

css/cms.css

@@ -33,3 +33,14 @@
   float: left;
   margin-right: 6px;
 }
+/* line 42, ../scss/cms.scss */
+.cms table.ss-gridfield-table tr td .modified {
+  margin-left: 5px;
+  color: #7E7470;
+  background-color: #fff0bc;
+  padding: 1px 3px;
+  border: 1px solid #C9B800;
+  font-size: 80%;
+  border-radius: 3px;
+  text-transform: uppercase;
+}

forms/gridfield/GridFieldBlogPostState.php

@@ -29,6 +29,11 @@ class GridFieldBlogPostState implements GridField_ColumnProvider {
 	public function getColumnContent($gridField, $record, $columnName) {
 		if($columnName == "State") {
 			if($record->hasMethod("isPublished")) {
+				$modifiedLabel = "";
+				if($record->isModified()) {
+					$modifiedLabel = "<span class='modified'>"._t("GridFieldBlogPostState.Modified")."</span>";
+				} 
+
 				$published = $record->isPublished();
 				if(!$published) {
 					return _t("GridFieldBlogPostState.Draft", 
@@ -49,7 +54,7 @@ class GridFieldBlogPostState implements GridField_ColumnProvider {
 						array(
 							"date" => $record->dbObject("PublishDate")->Nice()
 						)
-					);
+					).$modifiedLabel;
 				}
 			}
 		}

lang/en.yml

@@ -9,6 +9,7 @@ en:
     Draft: '<i class="btn-icon blog-icon btn-icon-pencil"></i> Saved as Draft'
     Published: '<i class="btn-icon blog-icon btn-icon-accept"></i> Published on {date}'
     Timer: '<i class="blog-icon blog-icon-timer"></i> Publish at {date}'
+    Modified: 'Modified'
   BlogPost:
     PublishDate: 'Publish Date'
     Categories: 'Categories'

scss/cms.scss

@@ -39,6 +39,16 @@
 					float: left;
 					margin-right: 6px;
 				}
+				.modified {
+					margin-left: 5px;
+					color: #7E7470;
+					background-color: #fff0bc;
+					padding: 1px 3px;
+					border: 1px solid #C9B800;
+					font-size: 80%;
+					border-radius: 3px;
+					text-transform: uppercase;
+				}
 			}
 		}
 	}