Feature

- New 'modified' attribute, which contains the most recent modification date,
  if a modification has occurred.

src/columns/CMakeLists.txt

@@ -15,6 +15,7 @@ set (columns_SRCS Column.cpp Column.h
                   ColID.cpp ColID.h
                   ColIMask.cpp ColIMask.h
                   ColMask.cpp ColMask.h
+                  ColModified.cpp ColModified.h
                   ColParent.cpp ColParent.h
                   ColPriority.cpp ColPriority.h
                   ColProject.cpp ColProject.h

src/columns/ColModified.cpp

@@ -0,0 +1,51 @@
+////////////////////////////////////////////////////////////////////////////////
+// taskwarrior - a command line task list manager.
+//
+// Copyright 2006-2012, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// http://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#define L10N                                           // Localization complete.
+
+#include <ColModified.h>
+#include <i18n.h>
+
+////////////////////////////////////////////////////////////////////////////////
+ColumnModified::ColumnModified ()
+{
+  _name  = "modified";
+  _label = STRING_COLUMN_LABEL_MOD;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+ColumnModified::~ColumnModified ()
+{
+}
+
+////////////////////////////////////////////////////////////////////////////////
+bool ColumnModified::validate (std::string& value)
+{
+  return ColumnDate::validate (value);
+}
+
+////////////////////////////////////////////////////////////////////////////////

src/columns/ColModified.h

@@ -0,0 +1,44 @@
+////////////////////////////////////////////////////////////////////////////////
+// taskwarrior - a command line task list manager.
+//
+// Copyright 2006-2012, Paul Beckingham, Federico Hernandez.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//
+// http://www.opensource.org/licenses/mit-license.php
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef INCLUDED_COLMODIFIED
+#define INCLUDED_COLMODIFIED
+#define L10N                                           // Localization complete.
+
+#include <ColDate.h>
+
+class ColumnModified : public ColumnDate
+{
+public:
+  ColumnModified ();
+  ~ColumnModified ();
+
+  bool validate (std::string&);
+};
+
+#endif
+////////////////////////////////////////////////////////////////////////////////

src/columns/Column.cpp

@@ -37,6 +37,7 @@
 #include <ColID.h>
 #include <ColIMask.h>
 #include <ColMask.h>
+#include <ColModified.h>
 #include <ColParent.h>
 #include <ColPriority.h>
 #include <ColProject.h>
@@ -87,6 +88,7 @@ Column* Column::factory (const std::string& name, const std::string& report)
   else if (column_name == "id")          c = new ColumnID ();
   else if (column_name == "imask")       c = new ColumnIMask ();
   else if (column_name == "mask")        c = new ColumnMask ();
+  else if (column_name == "modified")    c = new ColumnModified ();
   else if (column_name == "parent")      c = new ColumnParent ();
   else if (column_name == "priority")    c = new ColumnPriority ();
   else if (column_name == "project")     c = new ColumnProject ();
@@ -129,6 +131,7 @@ void Column::factory (std::map <std::string, Column*>& all)
   c = new ColumnID ();             all[c->_name] = c;
   c = new ColumnIMask ();          all[c->_name] = c;
   c = new ColumnMask ();           all[c->_name] = c;
+  c = new ColumnModified ();       all[c->_name] = c;
   c = new ColumnParent ();         all[c->_name] = c;
   c = new ColumnPriority ();       all[c->_name] = c;
   c = new ColumnProject ();        all[c->_name] = c;