edn/sources/appl/BufferManager.hpp

103 lines
3.2 KiB
C++

/** @file
* @author Edouard DUPIN
* @copyright 2010, Edouard DUPIN, all right reserved
* @license GPL v3 (see license file)
*/
#pragma once
#include <appl/Buffer.hpp>
#include <appl/globalMsg.hpp>
#include <ewol/widget/Widget.hpp>
#include <gale/resource/Resource.hpp>
namespace appl {
class BufferManager;
using BufferManagerShared = ememory::SharedPtr<appl::BufferManager>;
using BufferManagerWeak = ememory::WeakPtr<appl::BufferManager>;
// TODO: This is a service ...
class BufferManager : public ewol::Object {
public:
esignal::Signal<ememory::SharedPtr<appl::Buffer>> signalNewBuffer;
esignal::Signal<ememory::SharedPtr<appl::Buffer>> signalSelectFile;
esignal::Signal<> signalTextSelectionChange;
esignal::Signal<ememory::SharedPtr<appl::Buffer>> signalRemoveBuffer;
protected:
BufferManager();
public:
DECLARE_SINGLE_FACTORY(BufferManager, "???BufferManager???");
virtual ~BufferManager();
private:
etk::Vector<ememory::SharedPtr<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
*/
ememory::SharedPtr<appl::Buffer> get(const etk::Path& _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 etk::Path& _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 etk::Path& _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
*/
ememory::SharedPtr<appl::Buffer> get(int32_t _id);
/**
* @brief Create a new buffer empty.
* @return Created buffer or null.
*/
ememory::SharedPtr<appl::Buffer> createNewBuffer();
private:
ememory::SharedPtr<appl::Buffer> m_bufferSelected;
public:
/**
* @brief Set the current buffer selected
* @param[in] _bufferSelected Pointer on the buffer selected
*/
void setBufferSelected(ememory::SharedPtr<appl::Buffer> _bufferSelected);
/**
* @brief Get the current buffer selected
* @return Pointer on the buffer selected
*/
ememory::SharedPtr<appl::Buffer> getBufferSelected() {
return m_bufferSelected;
};
private:
void requestDestroyFromChild(const ememory::SharedPtr<Object>& _child);
public:
// generic iterators:
const etk::Vector<ememory::SharedPtr<appl::Buffer>>::Iterator begin() const {
return m_list.begin();
}
const etk::Vector<ememory::SharedPtr<appl::Buffer>>::Iterator end() const {
return m_list.end();
}
etk::Vector<ememory::SharedPtr<appl::Buffer>>::Iterator begin() {
return m_list.begin();
}
etk::Vector<ememory::SharedPtr<appl::Buffer>>::Iterator end() {
return m_list.end();
}
};
}