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+/*
+ * The Mana Client
+ * Copyright (C) 2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "event.h"
+
+#include "listener.h"
+#include "variabledata.h"
+
+namespace Mana
+{
+
+ListenMap Event::mBindings;
+
+Event::~Event()
+{
+ VariableMap::iterator it = mData.begin();
+ while (it != mData.end())
+ {
+ delete it->second;
+ it++;
+ }
+}
+
+// Integers
+
+void Event::setInt(const std::string &key, int value) throw (BadEvent)
+{
+ if (mData.find(key) != mData.end())
+ throw KEY_ALREADY_EXISTS;
+
+ mData[key] = new IntData(value);
+}
+
+int Event::getInt(const std::string &key) const throw (BadEvent)
+{
+ VariableMap::const_iterator it = mData.find(key);
+ if (it == mData.end())
+ throw BAD_KEY;
+
+ if (it->second->getType() != VariableData::DATA_INT)
+ throw BAD_VALUE;
+
+ return static_cast<IntData *>(it->second)->getData();
+}
+
+bool Event::hasInt(const std::string &key) const
+{
+ VariableMap::const_iterator it = mData.find(key);
+ return !(it == mData.end()
+ || it->second->getType() != VariableData::DATA_INT);
+}
+
+// Strings
+
+void Event::setString(const std::string &key, const std::string &value) throw (BadEvent)
+{
+ if (mData.find(key) != mData.end())
+ throw KEY_ALREADY_EXISTS;
+
+ mData[key] = new StringData(value);
+}
+
+const std::string &Event::getString(const std::string &key) const throw (BadEvent)
+{
+ VariableMap::const_iterator it = mData.find(key);
+ if (it == mData.end())
+ throw BAD_KEY;
+
+ if (it->second->getType() != VariableData::DATA_STRING)
+ throw BAD_VALUE;
+
+ return static_cast<StringData *>(it->second)->getData();
+}
+
+
+bool Event::hasString(const std::string &key) const
+{
+ VariableMap::const_iterator it = mData.find(key);
+ return !(it == mData.end()
+ || it->second->getType() != VariableData::DATA_STRING);
+}
+
+// Floats
+
+void Event::setFloat(const std::string &key, double value) throw (BadEvent)
+{
+ if (mData.find(key) != mData.end())
+ throw KEY_ALREADY_EXISTS;
+
+ mData[key] = new FloatData(value);
+}
+
+double Event::getFloat(const std::string &key) const throw (BadEvent)
+{
+ VariableMap::const_iterator it = mData.find(key);
+ if (it == mData.end())
+ throw BAD_KEY;
+
+ if (it->second->getType() != VariableData::DATA_FLOAT)
+ throw BAD_VALUE;
+
+ return static_cast<FloatData *>(it->second)->getData();
+}
+
+bool Event::hasFloat(const std::string &key) const
+{
+ VariableMap::const_iterator it = mData.find(key);
+ return !(it == mData.end()
+ || it->second->getType() != VariableData::DATA_FLOAT);
+}
+
+// Booleans
+
+void Event::setBool(const std::string &key, bool value) throw (BadEvent)
+{
+ if (mData.find(key) != mData.end())
+ throw KEY_ALREADY_EXISTS;
+
+ mData[key] = new BoolData(value);
+}
+
+bool Event::getBool(const std::string &key) const throw (BadEvent)
+{
+ VariableMap::const_iterator it = mData.find(key);
+ if (it == mData.end())
+ throw BAD_KEY;
+
+ if (it->second->getType() != VariableData::DATA_BOOL)
+ throw BAD_VALUE;
+
+ return static_cast<BoolData *>(it->second)->getData();
+}
+
+bool Event::hasBool(const std::string &key) const
+{
+ VariableMap::const_iterator it = mData.find(key);
+ return !(it == mData.end()
+ || it->second->getType() != VariableData::DATA_BOOL);
+}
+
+// Items
+
+void Event::setItem(const std::string &key, Item *value) throw (BadEvent)
+{
+ if (mData.find(key) != mData.end())
+ throw KEY_ALREADY_EXISTS;
+
+ mData[key] = new ItemData(value);
+}
+
+Item *Event::getItem(const std::string &key) const throw (BadEvent)
+{
+ VariableMap::const_iterator it = mData.find(key);
+ if (it == mData.end())
+ throw BAD_KEY;
+
+ if (it->second->getType() != VariableData::DATA_ITEM)
+ throw BAD_VALUE;
+
+ return static_cast<ItemData *>(it->second)->getData();
+}
+
+bool Event::hasItem(const std::string &key) const
+{
+ VariableMap::const_iterator it = mData.find(key);
+ return !(it == mData.end()
+ || it->second->getType() != VariableData::DATA_ITEM);
+}
+
+// Actors
+
+void Event::setActor(const std::string &key, ActorSprite *value) throw (BadEvent)
+{
+ if (mData.find(key) != mData.end())
+ throw KEY_ALREADY_EXISTS;
+
+ mData[key] = new ActorData(value);
+}
+
+ActorSprite *Event::getActor(const std::string &key) const throw (BadEvent)
+{
+ VariableMap::const_iterator it = mData.find(key);
+ if (it == mData.end())
+ throw BAD_KEY;
+
+ if (it->second->getType() != VariableData::DATA_ACTOR)
+ throw BAD_VALUE;
+
+ return static_cast<ActorData *>(it->second)->getData();
+}
+
+bool Event::hasActor(const std::string &key) const
+{
+ VariableMap::const_iterator it = mData.find(key);
+ return !(it == mData.end()
+ || it->second->getType() != VariableData::DATA_ACTOR);
+}
+
+// Triggers
+
+void Event::trigger(const std::string &channel, const Event &event)
+{
+ ListenMap::iterator it = mBindings.find(channel);
+
+ // Make sure something is listening
+ if (it == mBindings.end())
+ return;
+
+ // Loop though all listeners
+ ListenerSet::iterator lit = it->second.begin();
+ while (lit != it->second.end())
+ {
+ (*lit)->event(channel, event);
+ lit++;
+ }
+}
+
+void Event::bind(Listener *listener, const std::string &channel)
+{
+ mBindings[channel].insert(listener);
+}
+
+void Event::unbind(Listener *listener, const std::string &channel)
+{
+ mBindings[channel].erase(listener);
+}
+
+void Event::remove(Listener *listener)
+{
+ ListenMap::iterator it = mBindings.begin();
+ while (it != mBindings.end())
+ {
+ it->second.erase(listener);
+ it++;
+ }
+}
+
+} // namespace Mana