edn/sources/appl/BufferManager.h

99 lines
2.7 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2010, Edouard DUPIN, all right reserved
*
* @license GPL v3 (see license file)
*/
#ifndef __BUFFER_MANAGER_H__
#define __BUFFER_MANAGER_H__
#include <appl/Buffer.h>
#include <appl/globalMsg.h>
#include <ewol/widget/Widget.h>
#include <ewol/resource/Resource.h>
namespace appl {
class BufferManager : public ewol::Resource {
protected:
BufferManager(void);
~BufferManager(void);
private:
std::vector<appl::Buffer*> m_list; // list of all buffer curently open
public:
/**
* @brief Get a specific buffer with his name (can create a new buffer).
* @param[in] _fileName Name of the file to open.
* @param[in] _createIfNeeded Create the buffer if not existed.
* @return a pointer on the buffer
*/
appl::Buffer* get(const std::string& _fileName, bool _createIfNeeded=false);
/**
* @brief Load a specific file, event if it not existed:
* @param[in] _fileName Name of the file to open or create.
*/
void open(const std::string& _fileName);
/**
* @brief Check if a buffer is already open.
* @param[in] _fileName name of the file.
* @return true if the buffer is already open.
*/
bool exist(const std::string& _fileName);
/**
* @brief Get count of all buffer availlable.
* @return Number of buffer
*/
int32_t size(void) const {
return m_list.size();
}
/**
* @brief Get a pointer on a buffer Id (never remember this ID!!!).
* @param[in] _id Number of buffer
* @return pointer on the buffer
*/
appl::Buffer* get(int32_t _id) {
return m_list[_id];
}
/**
* @brief Create a new buffer empty.
* @return Created buffer or NULL.
*/
appl::Buffer* createNewBuffer(void);
private:
appl::Buffer* m_bufferSelected;
public:
/**
* @brief Set the current buffer selected
* @param[in] _bufferSelected Pointer on the buffer selected
*/
void setBufferSelected(appl::Buffer* _bufferSelected);
/**
* @brief Get the current buffer selected
* @return Pointer on the buffer selected
*/
appl::Buffer* getBufferSelected(void) {
return m_bufferSelected;
};
public: // herited function
void onReceiveMessage(const ewol::object::Message& _msg);
void onObjectRemove(ewol::Object * _removeObject);
public: // resource manager
/**
* @brief keep the resource pointer.
* @note Never free this pointer by your own...
* @param[in] _filename Name of the configuration file.
* @return pointer on the resource or NULL if an error occured.
*/
static appl::BufferManager* keep(void);
/**
* @brief release the keeped resources
* @param[in,out] reference on the object pointer
*/
static void release(appl::BufferManager*& _object);
};
};
#endif