Split App::AutoTransaction into its own file

This commit is contained in:
Zheng, Lei
2019-09-04 20:31:34 +08:00
committed by wmayer
parent 4141242e9d
commit fd0f4f5654
12 changed files with 265 additions and 193 deletions

View File

@@ -849,145 +849,6 @@ void Application::setActiveDocument(const char *Name)
}
}
AutoTransaction::AutoTransaction(const char *name, bool tmpName) {
auto &app = GetApplication();
if(name && app._activeTransactionGuard>=0) {
if(!app.getActiveTransaction()
|| (!tmpName && app._activeTransactionTmpName))
{
FC_LOG("auto transaction '" << name << "', " << tmpName);
tid = app.setActiveTransaction(name);
app._activeTransactionTmpName = tmpName;
}
}
// We use negative transaction guard to disable auto transaction from here
// and any stack below. This is to support user setting active transaction
// before having any existing AutoTransaction on stack, or 'persist'
// transaction that can out live AutoTransaction.
if(app._activeTransactionGuard<0)
--app._activeTransactionGuard;
else if(tid || app._activeTransactionGuard>0)
++app._activeTransactionGuard;
else if(app.getActiveTransaction()) {
FC_LOG("auto transaction disabled because of '" << app._activeTransactionName << "'");
--app._activeTransactionGuard;
} else
++app._activeTransactionGuard;
FC_TRACE("construct auto Transaction " << app._activeTransactionGuard);
}
AutoTransaction::~AutoTransaction() {
auto &app = GetApplication();
FC_TRACE("before destruct auto Transaction " << app._activeTransactionGuard);
if(app._activeTransactionGuard<0)
++app._activeTransactionGuard;
else if(!app._activeTransactionGuard) {
#ifdef FC_DEBUG
FC_ERR("Transaction guard error");
#endif
} else if(--app._activeTransactionGuard == 0) {
try {
// We don't call close() here, because close() only closes
// transaction that we opened during construction time. However,
// when _activeTransactionGuard reaches zero here, we are supposed
// to close any transaction opened.
app.closeActiveTransaction();
} catch(Base::Exception &e) {
e.ReportException();
} catch(...)
{}
}
FC_TRACE("destruct auto Transaction " << app._activeTransactionGuard);
}
void AutoTransaction::close(bool abort) {
if(tid || abort) {
GetApplication().closeActiveTransaction(abort,abort?0:tid);
tid = 0;
}
}
void AutoTransaction::setEnable(bool enable) {
auto &app = GetApplication();
if(!app._activeTransactionGuard)
return;
if((enable && app._activeTransactionGuard>0)
|| (!enable && app._activeTransactionGuard<0))
return;
app._activeTransactionGuard = -app._activeTransactionGuard;
FC_TRACE("toggle auto Transaction " << app._activeTransactionGuard);
if(!enable && app._activeTransactionTmpName) {
bool close = true;
for(auto &v : app.DocMap) {
if(v.second->hasPendingTransaction()) {
close = false;
break;
}
}
if(close)
app.closeActiveTransaction();
}
}
int Application::setActiveTransaction(const char *name, bool persist) {
if(!name || !name[0])
name = "Command";
if(_activeTransactionGuard>0 && getActiveTransaction()) {
if(_activeTransactionTmpName) {
FC_LOG("transaction rename to '" << name << "'");
for(auto &v : DocMap)
v.second->renameTransaction(name,_activeTransactionID);
} else {
if(persist)
AutoTransaction::setEnable(false);
return 0;
}
}else{
FC_LOG("set active transaction '" << name << "'");
_activeTransactionID = 0;
for(auto &v : DocMap)
v.second->_commitTransaction();
_activeTransactionID = Transaction::getNewID();
}
_activeTransactionTmpName = false;
_activeTransactionName = name;
if(persist)
AutoTransaction::setEnable(false);
return _activeTransactionID;
}
const char *Application::getActiveTransaction(int *id) const {
int tid = 0;
if(Transaction::getLastID() == _activeTransactionID)
tid = _activeTransactionID;
if(id) *id = tid;
return tid?_activeTransactionName.c_str():0;
}
void Application::closeActiveTransaction(bool abort, int id) {
if(!id) id = _activeTransactionID;
if(!id) return;
if(_activeTransactionGuard>0 && !abort) {
FC_LOG("ignore close transaction");
return;
}
FC_LOG("close transaction '" << _activeTransactionName << "' " << abort);
_activeTransactionID = 0;
TransactionSignaller siganller(abort,false);
for(auto &v : DocMap) {
if(v.second->getTransactionID(true) != id)
continue;
if(abort)
v.second->_abortTransaction();
else
v.second->_commitTransaction();
}
}
static int _TransSignalCount;
static bool _TransSignalled;
Application::TransactionSignaller::TransactionSignaller(bool abort, bool signal)

View File

@@ -568,60 +568,6 @@ inline App::Application &GetApplication(void){
return *App::Application::_pcSingleton;
}
/// Helper class to manager transaction (i.e. undo/redo)
class AppExport AutoTransaction {
private:
/// Private new operator to prevent heap allocation
void* operator new(size_t size);
public:
/** Constructor
*
* @param name: optional new transaction name on construction
* @param tmpName: if true and a new transaction is setup, the name given is
* considered as temporary, and subsequent construction of this class (or
* calling Application::setActiveTransaction()) can override the transaction
* name.
*
* The constructor increments an internal counter
* (Application::_activeTransactionGuard). The counter prevents any new
* active transaction being setup. It also prevents close (i.e. commits) the
* current active transaction until it reaches zero. It does not have any
* effect on aborting transaction, though.
*/
AutoTransaction(const char *name=0, bool tmpName=false);
/** Destructor
*
* This destructor decrease an internal counter
* (Application::_activeTransactionGuard), and will commit any current
* active transaction when the counter reaches zero.
*/
~AutoTransaction();
/** Close or abort the transaction
*
* This function can be used to explicitly close (i.e. commit) the
* transaction, if the current transaction ID matches the one created inside
* the constructor. For aborting, it will abort any current transaction
*/
void close(bool abort=false);
/** Enable/Disable any AutoTransaction instance in the current stack
*
* Once disabled, any empty temporary named transaction is closed. If there
* are non-empty or non-temperary named active transaction, it will not be
* auto closed.
*
* This function may be used in, for example, Gui::Document::setEdit() to
* allow a transaction live past any command scope.
*/
static void setEnable(bool enable);
private:
int tid = 0;
};
} // namespace App

172
src/App/AutoTransaction.cpp Normal file
View File

@@ -0,0 +1,172 @@
/****************************************************************************
* Copyright (c) 2019 Zheng, Lei (realthunder) <realthunder.dev@gmail.com>*
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
****************************************************************************/
#include "PreCompiled.h"
#include <Base/Console.h>
#include "Application.h"
#include "Transactions.h"
#include "Document.h"
#include "AutoTransaction.h"
FC_LOG_LEVEL_INIT("App",true,true);
using namespace App;
AutoTransaction::AutoTransaction(const char *name, bool tmpName) {
auto &app = GetApplication();
if(name && app._activeTransactionGuard>=0) {
if(!app.getActiveTransaction()
|| (!tmpName && app._activeTransactionTmpName))
{
FC_LOG("auto transaction '" << name << "', " << tmpName);
tid = app.setActiveTransaction(name);
app._activeTransactionTmpName = tmpName;
}
}
// We use negative transaction guard to disable auto transaction from here
// and any stack below. This is to support user setting active transaction
// before having any existing AutoTransaction on stack, or 'persist'
// transaction that can out live AutoTransaction.
if(app._activeTransactionGuard<0)
--app._activeTransactionGuard;
else if(tid || app._activeTransactionGuard>0)
++app._activeTransactionGuard;
else if(app.getActiveTransaction()) {
FC_LOG("auto transaction disabled because of '" << app._activeTransactionName << "'");
--app._activeTransactionGuard;
} else
++app._activeTransactionGuard;
FC_TRACE("construct auto Transaction " << app._activeTransactionGuard);
}
AutoTransaction::~AutoTransaction() {
auto &app = GetApplication();
FC_TRACE("before destruct auto Transaction " << app._activeTransactionGuard);
if(app._activeTransactionGuard<0)
++app._activeTransactionGuard;
else if(!app._activeTransactionGuard) {
#ifdef FC_DEBUG
FC_ERR("Transaction guard error");
#endif
} else if(--app._activeTransactionGuard == 0) {
try {
// We don't call close() here, because close() only closes
// transaction that we opened during construction time. However,
// when _activeTransactionGuard reaches zero here, we are supposed
// to close any transaction opened.
app.closeActiveTransaction();
} catch(Base::Exception &e) {
e.ReportException();
} catch(...)
{}
}
FC_TRACE("destruct auto Transaction " << app._activeTransactionGuard);
}
void AutoTransaction::close(bool abort) {
if(tid || abort) {
GetApplication().closeActiveTransaction(abort,abort?0:tid);
tid = 0;
}
}
void AutoTransaction::setEnable(bool enable) {
auto &app = GetApplication();
if(!app._activeTransactionGuard)
return;
if((enable && app._activeTransactionGuard>0)
|| (!enable && app._activeTransactionGuard<0))
return;
app._activeTransactionGuard = -app._activeTransactionGuard;
FC_TRACE("toggle auto Transaction " << app._activeTransactionGuard);
if(!enable && app._activeTransactionTmpName) {
bool close = true;
for(auto &v : app.DocMap) {
if(v.second->hasPendingTransaction()) {
close = false;
break;
}
}
if(close)
app.closeActiveTransaction();
}
}
int Application::setActiveTransaction(const char *name, bool persist) {
if(!name || !name[0])
name = "Command";
if(_activeTransactionGuard>0 && getActiveTransaction()) {
if(_activeTransactionTmpName) {
FC_LOG("transaction rename to '" << name << "'");
for(auto &v : DocMap)
v.second->renameTransaction(name,_activeTransactionID);
} else {
if(persist)
AutoTransaction::setEnable(false);
return 0;
}
}else{
FC_LOG("set active transaction '" << name << "'");
_activeTransactionID = 0;
for(auto &v : DocMap)
v.second->_commitTransaction();
_activeTransactionID = Transaction::getNewID();
}
_activeTransactionTmpName = false;
_activeTransactionName = name;
if(persist)
AutoTransaction::setEnable(false);
return _activeTransactionID;
}
const char *Application::getActiveTransaction(int *id) const {
int tid = 0;
if(Transaction::getLastID() == _activeTransactionID)
tid = _activeTransactionID;
if(id) *id = tid;
return tid?_activeTransactionName.c_str():0;
}
void Application::closeActiveTransaction(bool abort, int id) {
if(!id) id = _activeTransactionID;
if(!id) return;
if(_activeTransactionGuard>0 && !abort) {
FC_LOG("ignore close transaction");
return;
}
FC_LOG("close transaction '" << _activeTransactionName << "' " << abort);
_activeTransactionID = 0;
TransactionSignaller siganller(abort,false);
for(auto &v : DocMap) {
if(v.second->getTransactionID(true) != id)
continue;
if(abort)
v.second->_abortTransaction();
else
v.second->_commitTransaction();
}
}

84
src/App/AutoTransaction.h Normal file
View File

@@ -0,0 +1,84 @@
/****************************************************************************
* Copyright (c) 2019 Zheng, Lei (realthunder) <realthunder.dev@gmail.com>*
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
****************************************************************************/
#ifndef APP_AUTOTRANSACTION_H
#define APP_AUTOTRANSACTION_H
namespace App {
/// Helper class to manager transaction (i.e. undo/redo)
class AppExport AutoTransaction {
private:
/// Private new operator to prevent heap allocation
void* operator new(size_t size);
public:
/** Constructor
*
* @param name: optional new transaction name on construction
* @param tmpName: if true and a new transaction is setup, the name given is
* considered as temporary, and subsequent construction of this class (or
* calling Application::setActiveTransaction()) can override the transaction
* name.
*
* The constructor increments an internal counter
* (Application::_activeTransactionGuard). The counter prevents any new
* active transaction being setup. It also prevents close (i.e. commits) the
* current active transaction until it reaches zero. It does not have any
* effect on aborting transaction, though.
*/
AutoTransaction(const char *name=0, bool tmpName=false);
/** Destructor
*
* This destructor decrease an internal counter
* (Application::_activeTransactionGuard), and will commit any current
* active transaction when the counter reaches zero.
*/
~AutoTransaction();
/** Close or abort the transaction
*
* This function can be used to explicitly close (i.e. commit) the
* transaction, if the current transaction ID matches the one created inside
* the constructor. For aborting, it will abort any current transaction
*/
void close(bool abort=false);
/** Enable/Disable any AutoTransaction instance in the current stack
*
* Once disabled, any empty temporary named transaction is closed. If there
* are non-empty or non-temporary named active transaction, it will not be
* auto closed.
*
* This function may be used in, for example, Gui::Document::setEdit() to
* allow a transaction live past any command scope.
*/
static void setEnable(bool enable);
private:
int tid = 0;
};
} // namespace App
#endif // APP_AUTOTRANSACTION_H

View File

@@ -254,6 +254,7 @@ SET(FreeCADApp_CPP_SRCS
${Properties_CPP_SRCS}
Application.cpp
ApplicationPy.cpp
AutoTransaction.cpp
Branding.cpp
ColorModel.cpp
ComplexGeoData.cpp
@@ -267,6 +268,7 @@ SET(FreeCADApp_HPP_SRCS
${Document_HPP_SRCS}
${Properties_HPP_SRCS}
Application.h
AutoTransaction.h
Branding.h
ColorModel.h
ComplexGeoData.h

View File

@@ -64,6 +64,7 @@
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/AutoTransaction.h>
#include <Gui/ViewProviderLink.h>
FC_LOG_LEVEL_INIT("Command", true, true);

View File

@@ -46,6 +46,7 @@
#include <Base/Sequencer.h>
#include <Base/Tools.h>
#include <Base/Console.h>
#include <App/AutoTransaction.h>
#include <App/Document.h>
#include <App/DocumentObjectGroup.h>
#include <App/DocumentObject.h>

View File

@@ -51,6 +51,7 @@
#include <App/DocumentObject.h>
#include <App/DocumentObjectGroup.h>
#include <App/Transactions.h>
#include <App/AutoTransaction.h>
#include <App/GeoFeatureGroupExtension.h>
#include "Application.h"

View File

@@ -47,6 +47,7 @@
#include <App/Document.h>
#include <App/DocumentObject.h>
#include <App/DocumentObjectGroup.h>
#include <App/AutoTransaction.h>
#include <App/GeoFeatureGroupExtension.h>
#include <App/Link.h>

View File

@@ -25,6 +25,7 @@
#define GUI_VIEWPROVIDERPYTHONFEATURE_H
#include <App/Application.h>
#include <App/AutoTransaction.h>
#include <Gui/ViewProviderGeometryObject.h>
#include <Gui/Document.h>
#include <App/PropertyPythonObject.h>

View File

@@ -37,6 +37,7 @@
#include <Base/Tools.h>
#include <App/Application.h>
#include <App/Document.h>
#include <App/AutoTransaction.h>
#include "MainWindow.h"
#include "DlgAddProperty.h"
#include "PropertyEditor.h"

View File

@@ -31,6 +31,7 @@
#endif
#include <App/Application.h>
#include <App/AutoTransaction.h>
#include <App/Document.h>
#include <Gui/Command.h>
#include <Gui/MainWindow.h>