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Diagram editor, add two news feature:

Browse Source 
1- QET create a backup file, use to restor the project when a crash occur
2- User can enable and edit autosave.


git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5374 bfdf4180-ca20-0410-9c96-a3a8aa849046
This commit is contained in:
blacksun
2018-05-24 18:08:06 +00:00
parent 77662fb51b
commit f19a794d4b
10 changed files with 918 additions and 543 deletions
Download Patch File Download Diff File Expand all files Collapse all files

118
sources/qetproject.cpp
View File

@@ -32,9 +32,11 @@
#include "numerotationcontextcommands.h"
#include "assignvariables.h"
#include <QTimer>
#include <QStandardPaths>
static int BACKUP_INTERVAL = 300000; //interval in ms of backup
/**
Constructeur par defaut - cree un schema contenant une collection
d'elements vide et un schema vide.
@@ -63,8 +65,26 @@ QETProject::QETProject(int diagrams, QObject *parent) :
setupTitleBlockTemplatesCollection();
undo_stack_ = new QUndoStack();
connect(undo_stack_, SIGNAL(cleanChanged(bool)), this, SLOT(undoStackChanged(bool)));
m_undo_stack = new QUndoStack();
connect(m_undo_stack, SIGNAL(cleanChanged(bool)), this, SLOT(undoStackChanged(bool)));
m_save_backup_timer.setInterval(BACKUP_INTERVAL);
connect(&m_save_backup_timer, &QTimer::timeout, this, &QETProject::writeBackup);
m_save_backup_timer.start();
QSettings settings;
int autosave_interval = settings.value("diagrameditor/autosave-interval", 0).toInt();
if(autosave_interval > 0)
{
int ms = autosave_interval*60*1000;
m_autosave_timer.setInterval(ms);
connect(&m_autosave_timer, &QTimer::timeout, [this]()
{
if(!this->m_file_path.isEmpty())
this->write();
});
m_autosave_timer.start();
}
}
/**
@@ -111,8 +131,27 @@ QETProject::QETProject(const QString &path, QObject *parent) :
setReadOnly(true);
}
undo_stack_ = new QUndoStack();
connect(undo_stack_, SIGNAL(cleanChanged(bool)), this, SLOT(undoStackChanged(bool)));
m_undo_stack = new QUndoStack();
connect(m_undo_stack, SIGNAL(cleanChanged(bool)), this, SLOT(undoStackChanged(bool)));
m_save_backup_timer.setInterval(BACKUP_INTERVAL);
connect(&m_save_backup_timer, &QTimer::timeout, this, &QETProject::writeBackup);
m_save_backup_timer.start();
writeBackup();
QSettings settings;
int autosave_interval = settings.value("diagrameditor/autosave-interval", 0).toInt();
if(autosave_interval > 0)
{
int ms = autosave_interval*60*1000;
m_autosave_timer.setInterval(ms);
connect(&m_autosave_timer, &QTimer::timeout, [this]()
{
if(!this->m_file_path.isEmpty())
this->write();
});
m_autosave_timer.start();
}
}
/**
@@ -122,7 +161,18 @@ QETProject::QETProject(const QString &path, QObject *parent) :
QETProject::~QETProject()
{
qDeleteAll(m_diagrams_list);
delete undo_stack_;
delete m_undo_stack;
//Project is closed without crash, we can safely remove the backup file.
if (!m_file_path.isEmpty())
{
QDir dir(QETApp::configDir() + "/backup");
if(!dir.exists())
return;
QString project_name = m_file_path.split("/").last();
dir.remove(project_name);
}
}
/**
@@ -187,7 +237,7 @@ TitleBlockTemplatesProjectCollection *QETProject::embeddedTitleBlockTemplatesCol
@return le chemin du fichier dans lequel ce projet est enregistre
*/
QString QETProject::filePath() {
return(file_path_);
return(m_file_path);
}
/**
@@ -195,15 +245,15 @@ QString QETProject::filePath() {
@param filepath Nouveau chemin de fichier
*/
void QETProject::setFilePath(const QString &filepath) {
file_path_ = filepath;
m_file_path = filepath;
// le chemin a change : on reevalue la necessite du mode lecture seule
QFileInfo file_path_info(file_path_);
QFileInfo file_path_info(m_file_path);
if (file_path_info.isWritable()) {
setReadOnly(false);
}
emit(projectFilePathChanged(this, file_path_));
emit(projectFilePathChanged(this, m_file_path));
emit(projectInformationsChanged(this));
}
@@ -214,10 +264,10 @@ void QETProject::setFilePath(const QString &filepath) {
*/
QString QETProject::currentDir() const {
QString current_directory;
if (file_path_.isEmpty()) {
if (m_file_path.isEmpty()) {
current_directory = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
} else {
current_directory = QFileInfo(file_path_).absoluteDir().absolutePath();
current_directory = QFileInfo(m_file_path).absoluteDir().absolutePath();
}
return(current_directory);
}
@@ -240,14 +290,14 @@ QString QETProject::pathNameTitle() const {
"Projet « %1 : %2»",
"displayed title for a ProjectView - %1 is the project title, -%2 is the project path"
)
).arg(project_title_).arg (file_path_);
} else if (!file_path_.isEmpty()) {
).arg(project_title_).arg (m_file_path);
} else if (!m_file_path.isEmpty()) {
final_title = QString(
tr(
"Projet %1",
"displayed title for a title-less project - %1 is the file name"
)
).arg(QFileInfo(file_path_).completeBaseName());
).arg(QFileInfo(m_file_path).completeBaseName());
} else {
final_title = QString(
tr(
@@ -800,12 +850,12 @@ bool QETProject::close() {
QETResult QETProject::write()
{
// this operation requires a filepath
if (file_path_.isEmpty())
if (m_file_path.isEmpty())
return(QString("unable to save project to file: no filepath was specified"));
// if the project was opened read-only and the file is still non-writable, do not save the project
if (isReadOnly() && !QFileInfo(file_path_).isWritable())
return(QString("the file %1 was opened read-only and thus will not be written").arg(file_path_));
if (isReadOnly() && !QFileInfo(m_file_path).isWritable())
return(QString("the file %1 was opened read-only and thus will not be written").arg(m_file_path));
//Get the project in xml
@@ -813,7 +863,7 @@ QETResult QETProject::write()
xml_project.appendChild(xml_project.importNode(toXml().documentElement(), true));
QString error_message;
if (!QET::writeXmlFile(xml_project, file_path_, &error_message)) return(error_message);
if (!QET::writeXmlFile(xml_project, m_file_path, &error_message)) return(error_message);
setModified(false);
return(QETResult());
@@ -823,7 +873,7 @@ QETResult QETProject::write()
@return true si le projet est en mode readonly, false sinon
*/
bool QETProject::isReadOnly() const {
return(read_only_ && read_only_file_path_ == file_path_);
return(read_only_ && read_only_file_path_ == m_file_path);
}
/**
@@ -836,7 +886,7 @@ void QETProject::setReadOnly(bool read_only)
if (read_only_ != read_only)
{
//keep the file to which this project is read-only
read_only_file_path_ = file_path_;
read_only_file_path_ = m_file_path;
read_only_ = read_only;
emit(readOnlyChanged(this, read_only));
}
@@ -1597,6 +1647,30 @@ NamesList QETProject::namesListForIntegrationCategory() {
return(names);
}
/**
* @brief QETProject::writeBackup
* Write a backup file of this project, in the case that QET crash
*/
void QETProject::writeBackup()
{
if(m_file_path.isEmpty())
return;
QDir dir(QETApp::configDir() + "/backup");
if(!dir.exists())
{
dir.cdUp();
dir.mkdir("backup");
dir.cd("backup");
}
QDomDocument xml_project;
xml_project.appendChild(xml_project.importNode(toXml().documentElement(), true));
QString project_name = m_file_path.split("/").last();
QET::writeXmlFile(xml_project, dir.absoluteFilePath(project_name));
}
/**
@return true if project options (title, project-wide properties, settings
for new diagrams, diagrams order...) were modified, false otherwise.
@@ -1634,7 +1708,7 @@ void QETProject::setProjectProperties(const DiagramContext &context) {
bool QETProject::projectWasModified() {
if ( projectOptionsWereModified() ||
!undo_stack_ -> isClean() ||
!m_undo_stack -> isClean() ||
titleblocks_.templates().count() )
return(true);