1 files changed, 106 insertions, 0 deletions
diff --git a/src/commands/filtercommand.cpp b/src/commands/filtercommand.cpp
new file mode 100644
index 0000000..ba205e5
--- /dev/null
+++ b/src/commands/filtercommand.cpp
@@ -0,0 +1,106 @@
+/***************************************************************************
+    copyright            : (C) 2005-2006 by Robby Stephenson
+    email                : robby@periapsis.org
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of version 2 of the GNU General Public License as  *
+ *   published by the Free Software Foundation;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "filtercommand.h"
+#include "../document.h"
+#include "../collection.h"
+#include "../controller.h"
+#include "../tellico_debug.h"
+
+#include <klocale.h>
+
+using Tellico::Command::FilterCommand;
+
+FilterCommand::FilterCommand(Mode mode_, FilterPtr activeFilter_, FilterPtr oldFilter_/*=0*/)
+    : KCommand()
+    , m_mode(mode_)
+    , m_activeFilter(activeFilter_)
+    , m_oldFilter(oldFilter_)
+{
+  if(!m_activeFilter) {
+    myDebug() << "FilterCommand() - null active filter pointer" << endl;
+  }
+#ifndef NDEBUG
+// just some sanity checking
+  if(m_mode == FilterAdd && m_oldFilter != 0) {
+    myDebug() << "FilterCommand() - adding field, but pointers are wrong" << endl;
+  } else if(m_mode == FilterModify && m_oldFilter == 0) {
+    myDebug() << "FilterCommand() - modifying field, but pointers are wrong" << endl;
+  } else if(m_mode == FilterRemove && m_oldFilter != 0) {
+    myDebug() << "FilterCommand() - removing field, but pointers are wrong" << endl;
+  }
+#endif
+}
+
+void FilterCommand::execute() {
+  if(!m_activeFilter) {
+    return;
+  }
+
+  switch(m_mode) {
+    case FilterAdd:
+      Data::Document::self()->collection()->addFilter(m_activeFilter);
+      Controller::self()->addedFilter(m_activeFilter);
+      break;
+
+    case FilterModify:
+      Data::Document::self()->collection()->removeFilter(m_oldFilter);
+      Controller::self()->removedFilter(m_oldFilter);
+      Data::Document::self()->collection()->addFilter(m_activeFilter);
+      Controller::self()->addedFilter(m_activeFilter);
+      break;
+
+    case FilterRemove:
+      Data::Document::self()->collection()->removeFilter(m_activeFilter);
+      Controller::self()->removedFilter(m_activeFilter);
+      break;
+  }
+}
+
+void FilterCommand::unexecute() {
+  if(!m_activeFilter) {
+    return;
+  }
+
+  switch(m_mode) {
+    case FilterAdd:
+      Data::Document::self()->collection()->removeFilter(m_activeFilter);
+      Controller::self()->removedFilter(m_activeFilter);
+      break;
+
+    case FilterModify:
+      Data::Document::self()->collection()->removeFilter(m_activeFilter);
+      Controller::self()->removedFilter(m_activeFilter);
+      Data::Document::self()->collection()->addFilter(m_oldFilter);
+      Controller::self()->addedFilter(m_oldFilter);
+      break;
+
+    case FilterRemove:
+      Data::Document::self()->collection()->addFilter(m_activeFilter);
+      Controller::self()->addedFilter(m_activeFilter);
+      break;
+  }
+}
+
+QString FilterCommand::name() const {
+  switch(m_mode) {
+    case FilterAdd:
+      return i18n("Add Filter");
+    case FilterModify:
+      return i18n("Modify Filter");
+    case FilterRemove:
+      return i18n("Delete Filter");
+  }
+  // hush warnings
+  return QString::null;
+}