[ViewVC] Diff of: group/trunk/FAS/src/event.cpp

Comparing trunk/FAS/src/event.cpp (file contents):
Revision 90 by tim, Mon Aug 19 23:06:57 2002 UTC vs.
Revision 92 by tim, Tue Aug 20 23:26:55 2002 UTC

+************************************************************************
+*Description:
-<
+*
->
+*
+***********************************************************************/
+#include "event.h"
+/***********************************************************************
-<
+* Class TAnimation
->
+* Class TEventItem
+***********************************************************************/
-+
+void TEventItem::Clear()
-+
+{
-+
+  _handlers.clear();
-+
+}
-+
+TEventItem::TEventItem(TEventObject *object)
-+
+{
-+
+  Clear();
-+
+  _object = object;
-+
+}
-+
-+
+TEventItem::~TEventItem()
-+
+{
-+
+  Clear();
-+
+}
-+
-+
+void TEventItem::AddHandler(PEventHandler handler)
-+
+{
-+
+  vector<PEventHandler>::iterator i;
-+
-+
+  i = find(_handlers.begin(), _handlers.end(), handler);
-+
-+
+  if (i == _handlers.end())
-+
+  {
-+
+    _handlers.push_back(handler);
-+
+  }
-+
+}
-+
-+
+void TEventItem::RemoveHandler(PEventHandler handler)
-+
+{
-+
+  vector<PEventHandler>::iterator i;
-+
-+
+  i = find(_handlers.begin(), _handlers.end(), handler);
-+
-+
+  if (i != _handlers.end())
-+
+  {
-+
+    _handlers.erase(i);
-+
+  }
-+
+}
-+
-+
-+
+void TEventItem::ExecuteHandler(int eventType, TEvenPoster *poster, void *extra)
-+
+{
-+
+  PEventHandler handler;
-+
+  switch (_object->GetEventObjectType())
-+
+  {
-+
+    case TEventObjectType::BaseEventObject :
-+
+      CallHandler<TEventObject>(_object, _handlers, eventType, poster, extra);
-+
+      break;
-+
+    default:
-+
+      ;
-+
+  }
-+
+}
-+
+/***********************************************************************
-+
+* Class TEventItems
-+
+***********************************************************************/
-+
+void TEventItems::Clear()
-+
+{
-+
+  for(int i=0; i<_items.size(); i++)
-+
+  {
-+
+    if (_items[i] != NULL)
-+
+    {
-+
+      delete _items[i];
-+
+    }
-+
+  }
-+
-+
+  _items.clear();
-+
+}
-+
-+
+TEventItems::TEventItems(int eventType)
-+
+{
-+
+  Clear();
-+
+  SetType(eventType);
-+
+}
-+
-+
+TEventItems::~TEventItems()
-+
+{
-+
+  Clear();
-+
+}
-+
-+
+void TEventItems::AddItem(TEventObject *object, PEventHandler handler)
-+
+{
-+
+  TEventItem * item;
-+
-+
+  item = GetEventItem(object);
-+
-+
+  if (item != NULL)
-+
+  {
-+
+    item->AddHandler(handler);
-+
+  }
-+
+  else
-+
+  {
-+
+    item = new TEventItem(object);
-+
+    if(item != NULL)
-+
+    {
-+
+      item->AddHandler(handler);
-+
+      _items.push_back(item);
-+
+    }
-+
+    else
-+
+    {
-+
+     //Memory allocation fail
-+
+    }
-+
+  }
-+
+}
-+
-+
+void TEventItems::RemoveItem(TEventObject *object, PEventHandler handler)
-+
+{
-+
+  TEventItem * item;
-+
-+
+  item = GetEventItem(object);
-+
-+
+  if (item !=NULL)
-+
+  {
-+
+    item->RemoveHandler(handler);
-+
+    if (item->Count() == 0)
-+
+      _items.erase(find(_items.begin(), _items.end(), item));
-+
+  }
-+
+}
-+
-+
+void TEventItems::RemoveItem(TEventObject *object)
-+
+{
-+
+  vector<TEventItem *>::iterator i;
-+
-+
+  i = find_if(_items.begin(), _items.end(), TMatchEventItem(object));
-+
-+
+  if (i != _items.end())
-+
+  {
-+
+    delete *i;
-+
+    _items.erase(i);
-+
+  }
-+
+}
-+
-+
+TEventItem *TEventItems::GetEventItem(TEventObject *object)
-+
+{
-+
+  vector<TEventItem *>::iterator i;
-+
-+
+  i = find_if(_items.begin(), _items.end(), TMatchEventItem(object));
-+
-+
+  if (i != _items.end())
-+
+  {
-+
+    return *i;
-+
+  }
-+
+  else
-+
+  {
-+
+    return NULL;
-+
+  }
-+
+}
-+
-+
+void TEventItems::Dispatch(int eventType, TEvenPoster *poster, void *extra)
-+
+{
-+
+  for(int i=0; i < Count(); i++)
-+
+    _items[i]->ExecuteHandler(eventType, poster, extra);
-+
+}
-+
-+
+/***********************************************************************
-+
+* Class TEventTable
-+
+***********************************************************************/
-+
+void TEventTable::Clear()
-+
+{
-+
+  for(int i=0; i<_table.size(); i++)
-+
+  {
-+
+    if (_table[i] != NULL)
-+
+      delete _table[i];
-+
+  }
-+
-+
+  _table.clear();
-+
+}
-+
-+
+TEventTable::TEventTable()
-+
+{
-+
+  Clear();
-+
+}
-+
-+
+TEventTable::~TEventTable()
-+
+{
-+
+  Clear();
-+
+}
-+
-+
+void TEventTable::AddItem(int eventType,
-+
+                          TEventObject *object, PEventHandler handler)
-+
+{
-+
+  TEventItems *items;
-+
-+
+  items = GetEventItemsByType(eventType);
-+
-+
-+
+  if (items == NULL)
-+
+  {
-+
+    items = new TEventItems(eventType);
-+
+    if (items != NULL)
-+
+    {
-+
+      items->AddItem(object, handler);
-+
+      _table.push_back(items);
-+
+    }
-+
+    else
-+
+    {
-+
+    //Error
-+
+    }
-+
+  }
-+
+  else
-+
+  {
-+
+    items->AddItem(object, handler);
-+
+  }
-+
-+
+}
-+
-+
+void TEventTable::RemoveItem(int eventType,
-+
+                              TEventObject *object, PEventHandler handler)
-+
+{
-+
+  TEventItems *items;
-+
-+
+  items = GetEventItemsByType(eventType);
-+
-+
+  if (items != NULL)
-+
+  {
-+
+    items->RemoveItem(object, handler);
-+
-+
+  }
-+
+}
-+
-+
+void TEventTable::RemoveItem(int eventType, TEventObject *object)
-+
+{
-+
+  TEventItems *items;
-+
-+
+  items = GetEventItemsByType(eventType);
-+
-+
+  if (items != NULL)
-+
+  {
-+
+    items->RemoveItem(object);
-+
+  }
-+
+}
-+
-+
+void TEventTable::RemoveItem(TEventObject *object)
-+
+{
-+
+  for(int i=0; i<_table.size(); i++)
-+
+    RemoveItem(_table[i]->_eventType, object);
-+
+}
-+
-+
+TEventItems *TEventTable::GetEventItemsByType(int eventType)
-+
+{
-+
+  vector<TEventItems*>::iterator i;
-+
-+
-+
+  i = find_if(_table.begin(), _table.end(), TMatchEventItems(eventType));
-+
-+
+  if(i == _table.end())
-+
+  {
-+
+    return NULL;
-+
+  }
-+
+  else
-+
+  {
-+
+    return *i;
-+
+  }
-+
+}
-+
-+
+void TEventTable::Dispatch(int eventType,
-+
+                            TEvenPoster *poster, void *extra)
-+
+{
-+
+  TEventItems *items;
-+
-+
+  items = GetEventItemsByType(eventType);
-+
-+
+  if (items != NULL)
-+
+  {
-+
+    items->Dispatch(eventType,poster, extra);
-+
+  }
-+
+  else
-+
+  {
-+
+    return;
-+
+  }
-+
+}
-+
-+
+/***********************************************************************
-+
+* Class TEventObject
-+
+***********************************************************************/
-+
+TEventObject::~TEventObject()
-+
+{
-+
+  UnRegister(this);
-+
+}
-+
-+
+void TEventObject::Register(int eventType, TEventObject *object,
-+
+                            PEventHandler handler)
-+
+{
-+
+  if (_table != NULL)
-+
+    _table->AddItem(eventType, object, handler);
-+
+}
-+
-+
+void TEventObject::UnRegister(int eventType, TEventObject *object,
-+
+                              PEventHandler handler)
-+
+{
-+
+  if (_table != NULL)
-+
+    _table->RemoveItem(eventType, object, handler);
-+
+}
-+
-+
+void TEventObject::UnRegister(int eventType, TEventObject *object)
-+
+{
-+
+  if (_table != NULL)
-+
+    _table->RemoveItem(eventType, object);
-+
+}
-+
-+
+void TEventObject::UnRegister(TEventObject *object)
-+
+{
-+
+  if (_table != NULL)
-+
+    _table->RemoveItem(object);
-+
+}
-+
+/***********************************************************************
-+
+* Class TEvenPoster
-+
+***********************************************************************/
-+
+void TEvenPoster::PostEvent(int eventType,
-+
+                                TEvenPoster *poster, void *extra)
-+
+{
-+
+  if (_table != NULL)
-+
+    _table->Dispatch(eventType, poster, extra);
-+
+}
-+
-+
-+
+template<class T> CallHandler(T *object, const vector<PEventHandler>& handlers,
-+
+                      int eventType, TEvenPoster *poster, void *extra)
-+
+{
-+
+  PEventHandler handler;
-+
-+
+  for(int i=0; i<handlers.size(); i++)
-+
+  {
-+
+    handler = handlers[i];
-+
+    (object->*handler)(eventType, poster, extra);
-+
+  }
-+
+}

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing trunk/FAS/src/event.cpp (file contents): Revision 90 by tim, Mon Aug 19 23:06:57 2002 UTC vs. Revision 92 by tim, Tue Aug 20 23:26:55 2002 UTC

Diff Legend

Comparing trunk/FAS/src/event.cpp (file contents):
Revision 90 by tim, Mon Aug 19 23:06:57 2002 UTC vs.
Revision 92 by tim, Tue Aug 20 23:26:55 2002 UTC