mirror of https://github.com/aseprite/aseprite.git
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/* Aseprite
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* Copyright (C) 2001-2013 David Capello
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef APP_WIDGET_LOADER_H_INCLUDED
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#define APP_WIDGET_LOADER_H_INCLUDED
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#include "app/widget_type_mismatch.h"
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#include "base/string.h"
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#include <map>
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class TiXmlElement;
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namespace ui {
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class Widget;
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class TooltipManager;
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}
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namespace app {
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class WidgetLoader {
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public:
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// Interface used to create customized widgets.
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class IWidgetTypeCreator {
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public:
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virtual ~IWidgetTypeCreator() { }
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virtual void dispose() = 0;
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virtual ui::Widget* createWidgetFromXml(const TiXmlElement* xmlElem) = 0;
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};
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WidgetLoader();
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~WidgetLoader();
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// Adds a new widget type that can be referenced in the .xml file
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// with an XML element. The "tagName" is the same name as in the
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// .xml should appear as <tagName>...</tagName>
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//
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// The "creator" will not be deleted automatically at the
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// WidgetLoader dtor.
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void addWidgetType(const char* tagName, IWidgetTypeCreator* creator);
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// Loads the specified widget from an .xml file.
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ui::Widget* loadWidget(const char* fileName, const char* widgetId);
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template<class T>
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T* loadWidgetT(const char* fileName, const char* widgetId) {
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ui::Widget* widget = loadWidget(fileName, widgetId);
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T* specificWidget = dynamic_cast<T*>(widget);
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if (!specificWidget)
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throw WidgetTypeMismatch(widgetId);
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return specificWidget;
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}
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private:
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ui::Widget* loadWidgetFromXmlFile(const base::string& xmlFilename,
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const base::string& widgetId);
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ui::Widget* convertXmlElementToWidget(const TiXmlElement* elem, ui::Widget* root);
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typedef std::map<base::string, IWidgetTypeCreator*> TypeCreatorsMap;
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TypeCreatorsMap m_typeCreators;
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ui::TooltipManager* m_tooltipManager;
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};
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} // namespace app
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#endif
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