edn/sources/appl/BufferManager.h

92 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 <list>
#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 {
public:
ewol::object::Signal<std::string> signalNewBuffer;
ewol::object::Signal<std::string> signalSelectFile;
ewol::object::Signal<void> signalTextSelectionChange;
ewol::object::Signal<std::shared_ptr<appl::Buffer>> signalRemoveBuffer;
protected:
BufferManager();
void init(const std::string& _uniqueName);
public:
DECLARE_RESOURCE_SINGLE_FACTORY(BufferManager, "???Buffer_Manager???");
virtual ~BufferManager();
private:
std::list<std::shared_ptr<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
*/
std::shared_ptr<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() 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
*/
std::shared_ptr<appl::Buffer> get(int32_t _id);
/**
* @brief Create a new buffer empty.
* @return Created buffer or nullptr.
*/
std::shared_ptr<appl::Buffer> createNewBuffer();
private:
std::shared_ptr<appl::Buffer> m_bufferSelected;
public:
/**
* @brief Set the current buffer selected
* @param[in] _bufferSelected Pointer on the buffer selected
*/
void setBufferSelected(std::shared_ptr<appl::Buffer> _bufferSelected);
/**
* @brief Get the current buffer selected
* @return Pointer on the buffer selected
*/
std::shared_ptr<appl::Buffer> getBufferSelected() {
return m_bufferSelected;
};
private:
void requestDestroyFromChild(const std::shared_ptr<Object>& _child);
};
};
#endif