edn/sources/appl/BufferManager.cpp

429 lines
11 KiB
C++

/**
* @author Edouard DUPIN
*
* @copyright 2010, Edouard DUPIN, all right reserved
*
* @license GPL v3 (see license file)
*/
#include <appl/debug.h>
#include <appl/global.h>
#include <BufferManager.h>
#include <ewol/renderer/EObject.h>
#include <ewol/renderer/EObjectManager.h>
#undef __class__
#define __class__ "BufferManager"
class classBufferManager: public ewol::EObject {
public:
// Constructeur
classBufferManager(void);
~classBufferManager(void);
public:
virtual void onReceiveMessage(const ewol::EMessage& _msg);
private:
// return the ID of the buffer allocated
// create a buffer with no element
int32_t create(void);
// open curent filename
int32_t open(etk::FSNode &myFile);
bool remove(int32_t BufferID);
public:
int32_t getSelected(void) { return m_idSelected;};
//void setSelected(int32_t id) {m_idSelected = id;};
BufferText* get(int32_t BufferID);
bool exist(int32_t BufferID);
bool exist(etk::FSNode &myFile);
int32_t getId(etk::FSNode &myFile);
// return the number of buffer (open in the past) if 5 buffer open and 4 close == > return 5
uint32_t size(void);
uint32_t sizeOpen(void);
int32_t witchBuffer(int32_t iEmeElement);
private:
etk::Vector<BufferText*> listBuffer; //!< element List of the char Elements
void removeAll(void); //!< remove all buffer
int32_t m_idSelected;
};
// Constructeur
classBufferManager::classBufferManager(void)
{
m_idSelected = -1;
RegisterMultiCast(ednMsgGuiNew);
RegisterMultiCast(ednMsgOpenFile);
RegisterMultiCast(ednMsgGuiClose);
RegisterMultiCast(ednMsgGuiSave);
RegisterMultiCast(ednMsgCodeViewSelectedId);
RegisterMultiCast(ednMsgBufferId);
}
classBufferManager::~classBufferManager(void)
{
//clean All Buffer
APPL_INFO("~classBufferManager::removeAll();");
removeAll();
// clear The list of Buffer
APPL_INFO("~classBufferManager::listBuffer.clear();");
listBuffer.clear();
}
void classBufferManager::onReceiveMessage(const ewol::EMessage& _msg)
{
ewol::EObject::onReceiveMessage(_msg);
if (_msg.getMessage() == ednMsgBufferId) {
// select a new buffer ID :
if (_msg.getData() == "") {
APPL_ERROR("Request select buffer ID = \"\" ");
} else {
int32_t newID = -1;
sscanf(_msg.getData().c_str(), "%d", &newID);
if(true == Exist(newID)) {
m_idSelected = newID;
} else {
m_idSelected = -1;
APPL_ERROR("Request a non existant ID : " << newID << " reset to -1...");
}
}
} else if (_msg.getMessage() == ednMsgGuiNew) {
int32_t newOne = Create();
if (-1 != newOne) {
m_idSelected = newOne;
SendMultiCast(ednMsgBufferId, m_idSelected);
SendMultiCast(ednMsgBufferListChange);
}
} else if (_msg.getMessage() == ednMsgOpenFile) {
if (_msg.getData() != "" ) {
etk::FSNode myFile(_msg.getData());
if (myFile.getNodeType() == etk::FSN_FILE) {
APPL_DEBUG("request open file = \"" << _msg.getData() << "\" ?= \"" << myFile << "\"");
int32_t newOne = open(myFile);
if (-1 != newOne) {
m_idSelected = newOne;
SendMultiCast(ednMsgBufferId, m_idSelected);
SendMultiCast(ednMsgBufferListChange);
} else {
// TODO : notify user that we can not open the request file...
APPL_ERROR("Can not open the file : \"" << myFile << "\"");
}
} else {
APPL_ERROR("Request to open an Unknox element file : " << myFile << " type:" << myFile.getNodeType());
}
}
} else if (_msg.getMessage() == ednMsgGuiSave) {
if (_msg.getData() == "") {
APPL_ERROR("Null data for close file ... ");
} else {
if (_msg.getData() == "current") {
// Check buffer existence
if(true == Exist(m_idSelected)) {
// If no name == > request a Gui display ...
if (get(m_idSelected)->haveName() == false) {
SendMultiCast(ednMsgGuiSaveAs, "current");
} else {
get(m_idSelected)->Save();
}
}
} else {
int32_t newId;
sscanf(_msg.getData().c_str(), "%d", &newId);
if (false == Exist(newId)) {
APPL_ERROR("Request a save As with a non existant ID=" << newId);
} else {
// If no name == > request a Gui display ...
if (get(newId)->haveName() == false) {
SendMultiCast(ednMsgGuiSaveAs, newId);
} else {
get(m_idSelected)->Save();
}
}
SendMultiCast(ednMsgBufferState, "saved");
}
}
} else if (_msg.getMessage() == ednMsgGuiClose) {
if (_msg.getData() == "") {
APPL_ERROR("Null data for close file ... ");
} else {
if (_msg.getData() == "All") {
} else {
int32_t closeID = -1;
if (_msg.getData() == "current") {
closeID = m_idSelected;
APPL_DEBUG("Close specific buffer ID" << closeID);
} else {
// close specific buffer ...
sscanf(_msg.getData().c_str(), "%d", &closeID);
APPL_DEBUG("Close specific buffer ID="<< closeID);
}
if(true == Exist(closeID)) {
// get the new display buffer
if (m_idSelected == closeID) {
// Try previous buffer
int32_t destBuffer = -1;
for(int32_t ii=closeID-1; ii >= 0; ii--) {
if (true == Exist(ii) ) {
destBuffer = ii;
break;
}
}
// try next buffer
if (-1 == destBuffer) {
for(int32_t ii=closeID+1; ii < listBuffer.size(); ii++) {
if (true == Exist(ii) ) {
destBuffer = ii;
break;
}
}
}
// set it to the currect display
m_idSelected = destBuffer;
SendMultiCast(ednMsgBufferId, destBuffer);
}
// remove requested buffer
remove(closeID);
SendMultiCast(ednMsgBufferListChange);
} else {
APPL_ERROR("Request close of a non existant ID : " << closeID);
}
}
}
} else if (_msg.getMessage() == ednMsgCodeViewSelectedId) {
//Change the selected buffer
if (_msg.getData() == "") {
APPL_ERROR("Null data for changing buffer ID file ... ");
} else {
int32_t newId;
sscanf(_msg.getData().c_str(), "%d", &newId);
if (true == Exist(newId)) {
m_idSelected = newId;
} else {
APPL_ERROR("code biew request the selection of an non -existant buffer == > reset to -1");
m_idSelected = -1;
}
SendMultiCast(ednMsgBufferId, m_idSelected);
SendMultiCast(ednMsgBufferListChange);
}
}
/*
switch (id)
{
// Check buffer existence
if(true == Exist(dataID)) {
// If no name == > request a Gui display ...
if (get(dataID)->haveName() == false) {
SendMessage(APPL_MSG__GUI_SHOW_SAVE_AS, dataID);
} else {
get(dataID)->Save();
}
}
break;
}
*/
}
void classBufferManager::removeAll(void) {
int32_t i;
for (i=0; i<listBuffer.size(); i++) {
remove(i);
}
SendMultiCast(ednMsgGuiClose, "All");
}
/**
* @brief Create a new buffer with no name and empty
* @return The ID of the curent buffer where the file is loaded
*/
int32_t classBufferManager::create(void) {
// allocate a new Buffer
BufferText *myBuffer = new BufferText();
// add at the list of element
listBuffer.pushBack(myBuffer);
int32_t basicID = listBuffer.size() - 1;
return basicID;
}
/**
* @brief open a file with the name set in parameters
* @param[in] filename curent filename
* @return The ID of the curent buffer where the file is loaded
* @todo : check if this file is not curently open and return the old ID
*/
int32_t classBufferManager::open(etk::FSNode &myFile) {
if (false == exist(myFile)) {
// allocate a new Buffer
BufferText *myBuffer = new BufferText(myFile);
// add at the list of element
listBuffer.pushBack(myBuffer);
return listBuffer.size() - 1;
} else {
// the buffer already existed == > we open it ...
return getId(myFile);
}
}
BufferText * classBufferManager::get(int32_t BufferID) {
// possible special case : -1;
if (-1 >= BufferID) {
return NULL;
}
// check if the Buffer existed
if (BufferID < listBuffer.size()) {
// check if the buffer already existed
if (NULL != listBuffer[BufferID]) {
return listBuffer[BufferID];
} else {
APPL_ERROR("non existing Buffer " << BufferID);
}
} else {
APPL_ERROR("call an non existing Buffer number too hight : " << BufferID << " > " << listBuffer.size());
}
return NULL;
}
bool classBufferManager::exist(int32_t BufferID) {
if (-1 >= BufferID) {
return false;
}
// check if the Buffer existed
if (BufferID < listBuffer.size()) {
// check if the buffer already existed
if (NULL != listBuffer[BufferID]) {
return true;
}
}
return false;
}
bool classBufferManager::exist(etk::FSNode &myFile) {
if (-1 == getId(myFile)) {
return false;
}
return true;
}
int32_t classBufferManager::getId(etk::FSNode &myFile) {
int32_t iii;
// check if the Buffer existed
for (iii=0; iii < listBuffer.size(); iii++) {
// check if the buffer already existed
if (NULL != listBuffer[iii]) {
if ( listBuffer[iii]->getFileName() == myFile) {
return iii;
}
}
}
return -1;
}
// return the number of buffer (open in the past) if 5 buffer open and 4 close == > return 5
uint32_t classBufferManager::size(void) {
return listBuffer.size();
}
// nb of opens file Now ...
uint32_t classBufferManager::sizeOpen(void) {
uint32_t jjj = 0;
// check if the Buffer existed
for (int32_t iii=0; iii<listBuffer.size(); iii++) {
// check if the buffer already existed
if (NULL != listBuffer[iii]) {
jjj++;
}
}
return jjj;
}
bool classBufferManager::remove(int32_t BufferID) {
if (-1 >= BufferID) {
return false;
}
// check if the Buffer existed
if (BufferID < listBuffer.size()) {
// check if the buffer already existed
if (NULL != listBuffer[BufferID]) {
// TODO : Check if it saved...
/*
if (false == isSaved(BufferID) ) {
APPL_INFO("Buffer " << BufferID << " : Not Saved", BufferID);
}
*/
// Delete the Buffer
delete( listBuffer[BufferID] );
listBuffer[BufferID] = NULL;
/*
ewol::widgetMessageMultiCast::Send(getWidgetId(), ednMsgBufferListChange);
*/
return true;
} else {
APPL_INFO("non existing Buffer " << BufferID);
return false;
}
} else {
APPL_INFO("call an non existing Buffer number too hight : " << BufferID << " > " << listBuffer.size());
return false;
}
}
/**
* @brief to get the element 14 in the buffer
*/
int32_t classBufferManager::witchBuffer(int32_t iEmeElement) {
int32_t i;
for (i=0; i<listBuffer.size(); i++) {
if (NULL != listBuffer[i]) {
iEmeElement--;
// find the element :
if (0 == iEmeElement) {
return i;
}
}
}
return -1;
}
appl::Buffer* get(const etk::UString& _filename);
appl::Buffer* get(esize_t _bufferID);
esize_t size(void):
appl::BufferManager* appl::BufferManager::keep(void) {
//EWOL_INFO("KEEP : appl::GlyphPainting : file : \"" << _filename << "\"");
appl::GlyphPainting* object = static_cast<appl::GlyphPainting*>(getManager().localKeep("???BufferManager???"));
if (NULL != object) {
return object;
}
// this element create a new one every time ....
EWOL_INFO("CREATE : appl::BufferManager: ???BufferManager???");
object = new appl::BufferManager();
if (NULL == object) {
EWOL_ERROR("allocation error of a resource : ???BufferManager???");
return NULL;
}
getManager().localAdd(object);
return object;
}
void appl::GlyphPainting::release(appl::BufferManager*& _object) {
if (NULL == _object) {
return;
}
ewol::Resource* object2 = static_cast<ewol::Resource*>(_object);
getManager().release(object2);
_object = NULL;
}