aseprite/src/app/widget_loader.h
2017-10-11 18:24:01 -03:00

79 lines
2.3 KiB
C++

// Aseprite
// Copyright (C) 2001-2017 David Capello
//
// This program is distributed under the terms of
// the End-User License Agreement for Aseprite.
#ifndef APP_WIDGET_LOADER_H_INCLUDED
#define APP_WIDGET_LOADER_H_INCLUDED
#pragma once
#include "app/i18n/xml_translator.h"
#include "app/widget_type_mismatch.h"
#include <map>
#include <string>
class TiXmlElement;
namespace ui {
class Widget;
class TooltipManager;
}
namespace app {
class WidgetLoader {
public:
// Interface used to create customized widgets.
class IWidgetTypeCreator {
public:
virtual ~IWidgetTypeCreator() { }
virtual void dispose() = 0;
virtual ui::Widget* createWidgetFromXml(const TiXmlElement* xmlElem) = 0;
};
WidgetLoader();
~WidgetLoader();
// Adds a new widget type that can be referenced in the .xml file
// with an XML element. The "tagName" is the same name as in the
// .xml should appear as <tagName>...</tagName>
//
// The "creator" will not be deleted automatically at the
// WidgetLoader dtor.
void addWidgetType(const char* tagName, IWidgetTypeCreator* creator);
// Loads the specified widget from an .xml file.
ui::Widget* loadWidget(const char* fileName, const char* widgetId, ui::Widget* widget = NULL);
template<class T>
T* loadWidgetT(const char* fileName, const char* widgetId, T* widget = NULL) {
T* specificWidget = dynamic_cast<T*>(loadWidget(fileName, widgetId, widget));
if (!specificWidget)
throw WidgetTypeMismatch(widgetId);
return specificWidget;
}
private:
ui::Widget* loadWidgetFromXmlFile(
const std::string& xmlFilename,
const std::string& widgetId,
ui::Widget* widget);
ui::Widget* convertXmlElementToWidget(const TiXmlElement* elem, ui::Widget* root, ui::Widget* parent, ui::Widget* widget);
void fillWidgetWithXmlElementAttributes(const TiXmlElement* elem, ui::Widget* root, ui::Widget* widget);
void fillWidgetWithXmlElementAttributesWithChildren(const TiXmlElement* elem, ui::Widget* root, ui::Widget* widget);
typedef std::map<std::string, IWidgetTypeCreator*> TypeCreatorsMap;
TypeCreatorsMap m_typeCreators;
ui::TooltipManager* m_tooltipManager;
XmlTranslator m_xmlTranslator;
};
} // namespace app
#endif