From ca4bae558db14a5dc682155c54efae3ee00b1da2 Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Sat, 4 Jul 2009 10:28:55 -0400
Subject: [PATCH] Enhancement

- Added new _ids command to support tab completion scripts.
---
 src/Cmd.cpp     |  2 ++
 src/Context.cpp |  1 +
 src/command.cpp | 26 ++++++++++++++++++++++++++
 src/main.h      |  1 +
 4 files changed, 30 insertions(+)

diff --git a/src/Cmd.cpp b/src/Cmd.cpp
index abadc60e1..9e7d13d03 100644
--- a/src/Cmd.cpp
+++ b/src/Cmd.cpp
@@ -109,6 +109,7 @@ void Cmd::load ()
     commands.push_back ("_projects");
     commands.push_back ("_tags");
     commands.push_back ("_commands");
+    commands.push_back ("_ids");
     commands.push_back (context.stringtable.get (CMD_ADD,       "add"));
     commands.push_back (context.stringtable.get (CMD_APPEND,    "append"));
     commands.push_back (context.stringtable.get (CMD_ANNOTATE,  "annotate"));
@@ -197,6 +198,7 @@ bool Cmd::isReadOnlyCommand ()
   if (command == "_projects"                                          ||
       command == "_tags"                                              ||
       command == "_commands"                                          ||
+      command == "_ids"                                               ||
       command == context.stringtable.get (CMD_CALENDAR,  "calendar")  ||
       command == context.stringtable.get (CMD_COLORS,    "colors")    ||
       command == context.stringtable.get (CMD_EXPORT,    "export")    ||
diff --git a/src/Context.cpp b/src/Context.cpp
index a779ba8ec..4ea02a7ea 100644
--- a/src/Context.cpp
+++ b/src/Context.cpp
@@ -199,6 +199,7 @@ std::string Context::dispatch ()
   else if (cmd.command == "_projects")     { out = handleCompletionProjects (); }
   else if (cmd.command == "_tags")         { out = handleCompletionTags     (); }
   else if (cmd.command == "_commands")     { out = handleCompletionCommands (); }
+  else if (cmd.command == "_ids")          { out = handleCompletionIDs      (); }
   else if (cmd.command == "" &&
            sequence.size ())               { out = handleModify             (); }
 
diff --git a/src/command.cpp b/src/command.cpp
index ae21ba633..23210c28d 100644
--- a/src/command.cpp
+++ b/src/command.cpp
@@ -330,6 +330,32 @@ std::string handleCompletionCommands ()
   return out.str ();
 }
 
+////////////////////////////////////////////////////////////////////////////////
+std::string handleCompletionIDs ()
+{
+  std::vector <Task> tasks;
+  context.tdb.lock (context.config.get ("locking", true));
+  handleRecurrence ();
+  Filter filter;
+  context.tdb.loadPending (tasks, filter);
+  context.tdb.commit ();
+  context.tdb.unlock ();
+
+  std::vector <int> ids;
+  foreach (task, tasks)
+    if (task->getStatus () != Task::deleted &&
+        task->getStatus () != Task::completed)
+      ids.push_back (task->id);
+
+  std::sort (ids.begin (), ids.end ());
+
+  std::stringstream out;
+  foreach (id, ids)
+    out << *id << std::endl;
+
+  return out.str ();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 void handleUndo ()
 {
diff --git a/src/main.h b/src/main.h
index 95a98a710..a5374a460 100644
--- a/src/main.h
+++ b/src/main.h
@@ -64,6 +64,7 @@ std::string handleCompletionProjects ();
 std::string handleTags ();
 std::string handleCompletionTags ();
 std::string handleCompletionCommands ();
+std::string handleCompletionIDs ();
 std::string handleVersion ();
 std::string handleDelete ();
 std::string handleStart ();