1 files changed, 112 insertions, 0 deletions
diff --git a/src/commands/fieldcommand.cpp b/src/commands/fieldcommand.cpp
new file mode 100644
index 0000000..6902e15
--- /dev/null
+++ b/src/commands/fieldcommand.cpp
@@ -0,0 +1,112 @@
+/***************************************************************************
+    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 "fieldcommand.h"
+#include "../collection.h"
+#include "../controller.h"
+#include "../tellico_debug.h"
+
+#include <klocale.h>
+
+using Tellico::Command::FieldCommand;
+
+FieldCommand::FieldCommand(Mode mode_, Data::CollPtr coll_,
+                           Data::FieldPtr activeField_, Data::FieldPtr oldField_/*=0*/)
+    : KCommand()
+    , m_mode(mode_)
+    , m_coll(coll_)
+    , m_activeField(activeField_)
+    , m_oldField(oldField_)
+{
+  if(!m_coll) {
+    myDebug() << "FieldCommand() - null collection pointer" << endl;
+  } else if(!m_activeField) {
+    myDebug() << "FieldCommand() - null active field pointer" << endl;
+  }
+#ifndef NDEBUG
+// just some sanity checking
+  if(m_mode == FieldAdd && m_oldField != 0) {
+    myDebug() << "FieldCommand() - adding field, but pointers are wrong" << endl;
+  } else if(m_mode == FieldModify && m_oldField == 0) {
+    myDebug() << "FieldCommand() - modifying field, but pointers are wrong" << endl;
+  } else if(m_mode == FieldRemove && m_oldField != 0) {
+    myDebug() << "FieldCommand() - removing field, but pointers are wrong" << endl;
+  }
+#endif
+}
+
+void FieldCommand::execute() {
+  if(!m_coll || !m_activeField) {
+    return;
+  }
+
+  switch(m_mode) {
+    case FieldAdd:
+      // if there's currently a field in the collection with the same name, it will get overwritten
+      // so save a pointer to it here, the collection should not delete it
+      m_oldField = m_coll->fieldByName(m_activeField->name());
+      m_coll->addField(m_activeField);
+      Controller::self()->addedField(m_coll, m_activeField);
+      break;
+
+    case FieldModify:
+      m_coll->modifyField(m_activeField);
+      Controller::self()->modifiedField(m_coll, m_oldField, m_activeField);
+      break;
+
+    case FieldRemove:
+      m_coll->removeField(m_activeField);
+      Controller::self()->removedField(m_coll, m_activeField);
+      break;
+  }
+}
+
+void FieldCommand::unexecute() {
+  if(!m_coll || !m_activeField) {
+    return;
+  }
+
+  switch(m_mode) {
+    case FieldAdd:
+      m_coll->removeField(m_activeField);
+      Controller::self()->removedField(m_coll, m_activeField);
+      if(m_oldField) {
+        m_coll->addField(m_oldField);
+        Controller::self()->addedField(m_coll, m_oldField);
+      }
+      break;
+
+    case FieldModify:
+      m_coll->modifyField(m_oldField);
+      Controller::self()->modifiedField(m_coll, m_activeField, m_oldField);
+      break;
+
+    case FieldRemove:
+      m_coll->addField(m_activeField);
+      Controller::self()->addedField(m_coll, m_activeField);
+      break;
+  }
+}
+
+QString FieldCommand::name() const {
+  switch(m_mode) {
+    case FieldAdd:
+      return i18n("Add %1 Field").arg(m_activeField->title());
+    case FieldModify:
+      return i18n("Modify %1 Field").arg(m_activeField->title());
+    case FieldRemove:
+      return i18n("Delete %1 Field").arg(m_activeField->title());
+  }
+  // hush warnings
+  return QString::null;
+}