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Merge pull request #75 from asmaloney/add-file-watcher

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Optionally monitor changes to files loaded with ReportEngine::loadFromFile()
This commit is contained in:
fralx 2017-04-20 20:56:23 +03:00 committed by GitHub
commit 36ed9443f7
7 changed files with 89 additions and 37 deletions
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2
include/lrreportengine.h
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@ -82,7 +82,7 @@ public:
void setShowProgressDialog(bool value);
IDataSourceManager* dataManager();
IScriptEngineManager* scriptManager();
bool loadFromFile(const QString& fileName);
bool loadFromFile(const QString& fileName, bool autoLoadPreviewOnChange = false);
bool loadFromByteArray(QByteArray *data);
bool loadFromString(const QString& data);
QString reportFileName();

5
limereport/lrpreviewreportwindow.cpp
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@ -136,6 +136,11 @@ void PreviewReportWindow::initPreview(int pagesCount)
m_pagesNavigator->setValue(1);
}
void PreviewReportWindow::reloadPreview()
{
m_previewReportWidget->refreshPages();
}
void PreviewReportWindow::setSettings(QSettings* value)
{
if (m_ownedSettings)

1
limereport/lrpreviewreportwindow.h
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@ -60,6 +60,7 @@ public:
void setPages(ReportPages pages);
void exec();
void initPreview(int pagesCount);
void reloadPreview();
void setSettings(QSettings* value);
void setErrorMessages(const QStringList& value);
void setToolBarVisible(bool value);

2
limereport/lrreportdesignwidget.cpp
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@ -288,7 +288,7 @@ bool ReportDesignWidget::save()
bool ReportDesignWidget::loadFromFile(const QString &fileName)
{
if (m_report->loadFromFile(fileName)){
if (m_report->loadFromFile(fileName,false)){
createTabs();
//connectPage(m_report->pageAt(0));
m_scriptEditor->setPlainText(m_report->scriptContext()->initScript());

105
limereport/lrreportengine.cpp
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@ -32,6 +32,7 @@
#include <QMessageBox>
#include <QApplication>
#include <QDesktopWidget>
#include <QFileSystemWatcher>
#include "time.h"
@ -59,13 +60,15 @@ ReportEnginePrivate::ReportEnginePrivate(QObject *parent) :
m_printer(new QPrinter(QPrinter::HighResolution)), m_printerSelected(false),
m_showProgressDialog(true), m_reportName(""), m_activePreview(0),
m_previewWindowIcon(":/report/images/logo32"), m_previewWindowTitle(tr("Preview")),
m_reportRendering(false), m_resultIsEditable(true), m_passPhrase("HjccbzHjlbyfCkjy")
m_reportRendering(false), m_resultIsEditable(true), m_passPhrase("HjccbzHjlbyfCkjy"),
m_fileWatcher( new QFileSystemWatcher( this ) )
{
m_datasources = new DataSourceManager(this);
m_datasources->setReportSettings(&m_reportSettings);
m_scriptEngineContext = new ScriptEngineContext(this);
m_datasources->setObjectName("datasources");
connect(m_datasources,SIGNAL(loadCollectionFinished(QString)),this,SLOT(slotDataSourceCollectionLoaded(QString)));
connect(m_fileWatcher,SIGNAL(fileChanged(const QString &)),this,SLOT(slotLoadFromFile(const QString &)));
}
ReportEnginePrivate::~ReportEnginePrivate()
@ -457,6 +460,63 @@ void ReportEnginePrivate::setCurrentReportsDir(const QString &dirName)
m_reportsDir = dirName;
}
bool ReportEnginePrivate::slotLoadFromFile(const QString &fileName)
{
PreviewReportWindow *currentPreview = qobject_cast<PreviewReportWindow *>(m_activePreview);
if (!QFile::exists(fileName))
{
if ( hasActivePreview() )
{
QMessageBox::information( NULL,
tr( "Report File Change" ),
tr( "The report file \"%1\" has changed names or been deleted.\n\nThis preview is no longer valid." ).arg( fileName )
);
clearReport();
currentPreview->close();
}
return false;
}
clearReport();
ItemsReaderIntf::Ptr reader = FileXMLReader::create(fileName);
reader->setPassPhrase(m_passPhrase);
if (reader->first()){
if (reader->readItem(this)){
m_fileName=fileName;
QFileInfo fi(fileName);
m_reportName = fi.fileName();
QString dbSettingFileName = fi.absolutePath()+"/"+fi.baseName()+".db";
if (QFile::exists(dbSettingFileName)){
QSettings dbcredentals(dbSettingFileName, QSettings::IniFormat);
foreach (ConnectionDesc* connection, dataManager()->conections()) {
if (!connection->keepDBCredentials()){
dbcredentals.beginGroup(connection->name());
connection->setUserName(dbcredentals.value("user").toString());
connection->setPassword(dbcredentals.value("password").toString());
dbcredentals.endGroup();
}
}
}
dataManager()->connectAutoConnections();
if ( hasActivePreview() )
{
currentPreview->reloadPreview();
}
return true;
};
}
m_lastError = reader->lastError();
return false;
}
void ReportEnginePrivate::cancelRender()
{
if (m_reportRender)
@ -509,39 +569,20 @@ QSettings*ReportEnginePrivate::settings()
}
}
bool ReportEnginePrivate::loadFromFile(const QString &fileName)
bool ReportEnginePrivate::loadFromFile(const QString &fileName, bool autoLoadPreviewOnChange)
{
if (!QFile::exists(fileName)) return false;
clearReport();
ItemsReaderIntf::Ptr reader = FileXMLReader::create(fileName);
reader->setPassPhrase(m_passPhrase);
if (reader->first()){
if (reader->readItem(this)){
m_fileName=fileName;
QFileInfo fi(fileName);
m_reportName = fi.fileName();
QString dbSettingFileName = fi.absolutePath()+"/"+fi.baseName()+".db";
if (QFile::exists(dbSettingFileName)){
QSettings dbcredentals(dbSettingFileName, QSettings::IniFormat);
foreach (ConnectionDesc* connection, dataManager()->conections()) {
if (!connection->keepDBCredentials()){
dbcredentals.beginGroup(connection->name());
connection->setUserName(dbcredentals.value("user").toString());
connection->setPassword(dbcredentals.value("password").toString());
dbcredentals.endGroup();
}
}
// only watch one file at a time
if ( !m_fileWatcher->files().isEmpty() )
{
m_fileWatcher->removePaths( m_fileWatcher->files() );
}
dataManager()->connectAutoConnections();
return true;
};
if ( autoLoadPreviewOnChange )
{
m_fileWatcher->addPath( fileName );
}
m_lastError = reader->lastError();
return false;
return slotLoadFromFile( fileName );
}
bool ReportEnginePrivate::loadFromByteArray(QByteArray* data, const QString &name){
@ -880,10 +921,10 @@ IScriptEngineManager* ReportEngine::scriptManager()
return d->scriptManagerIntf();
}
bool ReportEngine::loadFromFile(const QString &fileName)
bool ReportEngine::loadFromFile(const QString &fileName, bool autoLoadPreviewOnChange)
{
Q_D(ReportEngine);
return d->loadFromFile(fileName);
return d->loadFromFile(fileName, autoLoadPreviewOnChange);
}
bool ReportEngine::loadFromByteArray(QByteArray* data){

2
limereport/lrreportengine.h
View File

@ -82,7 +82,7 @@ public:
void setShowProgressDialog(bool value);
IDataSourceManager* dataManager();
IScriptEngineManager* scriptManager();
bool loadFromFile(const QString& fileName);
bool loadFromFile(const QString& fileName, bool autoLoadPreviewOnChange = false);
bool loadFromByteArray(QByteArray *data);
bool loadFromString(const QString& data);
QString reportFileName();

7
limereport/lrreportengine_p.h
View File

@ -42,6 +42,8 @@
#include "serializators/lrstorageintf.h"
#include "lrscriptenginemanager.h"
class QFileSystemWatcher;
namespace LimeReport{
class PageDesignIntf;
@ -91,7 +93,7 @@ public:
void setSettings(QSettings* value);
void setShowProgressDialog(bool value){m_showProgressDialog = value;}
QSettings* settings();
bool loadFromFile(const QString& fileName);
bool loadFromFile(const QString& fileName, bool autoLoadPreviewOnChange);
bool loadFromByteArray(QByteArray *data, const QString& name = "");
bool loadFromString(const QString& report, const QString& name = "");
QString reportFileName(){return m_fileName;}
@ -138,6 +140,7 @@ signals:
void onSave();
void saveFinished();
public slots:
bool slotLoadFromFile(const QString& fileName);
void cancelRender();
protected:
PageDesignIntf* createPage(const QString& pageName="");
@ -178,6 +181,8 @@ private:
bool m_reportRendering;
bool m_resultIsEditable;
QString m_passPhrase;
QFileSystemWatcher *m_fileWatcher;
};
}