Replace Error notification with exception for Tags model

src/game/GameController.cpp

@@ -10,7 +10,7 @@
 #include "login/LoginController.h"
 #include "interface/Point.h"
 #include "dialogues/ErrorMessage.h"
-#include "SaveLoadException.h"
+#include "GameModelException.h"
 
 using namespace std;
 
@@ -39,7 +39,7 @@ public:
 			{
 				cc->gameModel->SetSave(new Save(*(cc->search->GetLoadedSave())));
 			}
-			catch(SaveLoadException & ex)
+			catch(GameModelException & ex)
 			{
 				new ErrorMessage("Cannot open save", ex.what());
 			}

src/game/GameModel.cpp

@@ -8,7 +8,7 @@
 #include "EllipseBrush.h"
 #include "client/Client.h"
 #include "game/DecorationTool.h"
-#include "SaveLoadException.h"
+#include "GameModelException.h"
 
 GameModel::GameModel():
 	activeTools({NULL, NULL, NULL}),
@@ -262,7 +262,7 @@ void GameModel::SetSave(Save * newSave)
 		if(returnVal){
 			delete currentSave;
 			currentSave = NULL;
-			throw SaveLoadException(returnVal==2?"Save from newer version":"Save data corrupt");
+			throw GameModelException(returnVal==2?"Save from newer version":"Save data corrupt");
 		}
 	}
 	notifySaveChanged();

src/game/GameModelException.h

@@ -0,0 +1,26 @@
+/*
+ * SaveLoadException.h
+ *
+ *  Created on: Mar 29, 2012
+ *      Author: Simon
+ */
+
+#ifndef SAVELOADEXCEPTION_H_
+#define SAVELOADEXCEPTION_H_
+
+#include <string>
+#include <exception>
+using namespace std;
+
+struct GameModelException: public exception {
+	string message;
+public:
+	GameModelException(string message_): message(message_) {}
+	const char * what() const throw()
+	{
+		return message.c_str();
+	}
+	~GameModelException() throw() {};
+};
+
+#endif /* SAVELOADEXCEPTION_H_ */

src/tags/TagsModel.cpp

@@ -8,6 +8,7 @@
 #include "TagsModel.h"
 #include "TagsView.h"
 #include "client/Client.h"
+#include "TagsModelException.h"
 
 TagsModel::TagsModel():
 	save(NULL)
@@ -40,8 +41,7 @@ void TagsModel::RemoveTag(string tag)
 		}
 		else
 		{
-			lastError = Client::Ref().GetLastError();
+			throw TagsModelException(Client::Ref().GetLastError());
-			notifyError();
 		}
 	}
 }
@@ -59,8 +59,7 @@ void TagsModel::AddTag(string tag)
 		}
 		else
 		{
-			lastError = Client::Ref().GetLastError();
+			throw TagsModelException(Client::Ref().GetLastError());
-			notifyError();
 		}
 	}
 }
@@ -79,14 +78,6 @@ void TagsModel::notifyTagsChanged()
 	}
 }
 
-void TagsModel::notifyError()
-{
-	for(int i = 0; i < observers.size(); i++)
-	{
-		observers[i]->NotifyError(this);
-	}
-}
-
 TagsModel::~TagsModel() {
 	// TODO Auto-generated destructor stub
 }

src/tags/TagsModel.h

@@ -14,10 +14,8 @@
 class TagsView;
 class TagsModel {
 	Save * save;
-	string lastError;
 	std::vector<TagsView*> observers;
 	void notifyTagsChanged();
-	void notifyError();
 public:
 	TagsModel();
 	void AddObserver(TagsView * observer);
@@ -25,7 +23,6 @@ public:
 	void RemoveTag(string tag);
 	void AddTag(string tag);
 	Save * GetSave();
-	string GetLastError(){ return lastError; }
 	virtual ~TagsModel();
 };
 

src/tags/TagsModelException.h

@@ -0,0 +1,23 @@
+/*
+ * TagsModelException.h
+ *
+ *  Created on: Mar 29, 2012
+ *      Author: Simon
+ */
+
+#ifndef TAGSMODELEXCEPTION_H_
+#define TAGSMODELEXCEPTION_H_
+
+#include <string>
+#include <exception>
+using namespace std;
+
+class TagsModelException {
+	string message;
+public:
+	TagsModelException(string message_): message(message_) {};
+	const char * what() const throw() { return message.c_str(); };
+	~TagsModelException() throw() {};
+};
+
+#endif /* TAGSMODELEXCEPTION_H_ */

src/tags/TagsView.cpp

@@ -11,6 +11,7 @@
 #include "dialogues/ErrorMessage.h"
 #include "TagsController.h"
 #include "TagsModel.h"
+#include "TagsModelException.h"
 
 TagsView::TagsView():
 	ui::Window(ui::Point(-1, -1), ui::Point(195, 250))
@@ -46,11 +47,6 @@ void TagsView::OnDraw()
 	g->drawrect(Position.X, Position.Y, Size.X, Size.Y, 255, 255, 255, 255);
 }
 
-void TagsView::NotifyError(TagsModel * sender)
-{
-	new ErrorMessage("Error", sender->GetLastError());
-}
-
 void TagsView::NotifyTagsChanged(TagsModel * sender)
 {
 	for(int i = 0; i < tags.size(); i++)
@@ -69,7 +65,14 @@ void TagsView::NotifyTagsChanged(TagsModel * sender)
 		DeleteTagAction(TagsView * _v, string tag) { v = _v; this->tag = tag; }
 		void ActionCallback(ui::Button * sender)
 		{
-			v->c->RemoveTag(tag);
+			try
+			{
+				v->c->RemoveTag(tag);
+			}
+			catch(TagsModelException & ex)
+			{
+				new ErrorMessage("Could not remove tag", ex.what());
+			}
 		}
 	};
 
@@ -108,7 +111,15 @@ void TagsView::OnKeyPress(int key, Uint16 character, bool shift, bool ctrl, bool
 	case KEY_RETURN:
 		if(IsFocused(tagInput))
 		{
-			c->AddTag(tagInput->GetText());
+
+			try
+			{
+				c->AddTag(tagInput->GetText());
+			}
+			catch(TagsModelException & ex)
+			{
+				new ErrorMessage("Could not add tag", ex.what());
+			}
 			tagInput->SetText("");
 		}
 		break;

src/tags/TagsView.h

@@ -25,7 +25,6 @@ class TagsView: public ui::Window {
 public:
 	TagsView();
 	virtual void OnDraw();
-	void NotifyError(TagsModel * sender);
 	void AttachController(TagsController * c_) { c = c_; };
 	virtual void OnKeyPress(int key, Uint16 character, bool shift, bool ctrl, bool alt);
 	void NotifyTagsChanged(TagsModel * sender);