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/*
This file is part of the Grantlee template system.
Copyright (c) 2010 Stephen Kelly <steveire@gmail.com>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either version
2.1 of the Licence, 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mainwindow.h"
#include <QLabel>
#include <QSplitter>
#include <QTextBrowser>
#include <QDebug>
#include "grantlee_paths.h"
#include "grantlee_templates.h"
#include "designwidget.h"
/**
Don't escape the code generation output.
'const QString &' should not become 'const QString &'
*/
class NoEscapeOutputStream : public Grantlee::OutputStream
{
public:
NoEscapeOutputStream() : Grantlee::OutputStream() {}
NoEscapeOutputStream(QTextStream *stream) : OutputStream(stream) {}
virtual QSharedPointer<Grantlee::OutputStream> clone() const
{
return QSharedPointer<Grantlee::OutputStream>(new NoEscapeOutputStream);
}
virtual QString escape(const QString &input) const { return input; }
};
MainWindow::MainWindow(QWidget *parent, Qt::WindowFlags flags)
: QMainWindow(parent, flags)
{
QSplitter *splitter = new QSplitter(this);
splitter->setStretchFactor(1, 5);
m_designWidget = new DesignWidget(splitter);
m_tabWidget = new QTabWidget(splitter);
m_tabWidget->sizePolicy().setHorizontalPolicy(QSizePolicy::Expanding);
createOutputTab("Output", "Click Generate to create output");
setCentralWidget(splitter);
connect(m_designWidget, SIGNAL(generateClicked(bool)),
SLOT(generateOutput()));
m_engine = new Grantlee::Engine(this);
m_engine->setPluginPaths(QStringList() << GRANTLEE_PLUGIN_PATH
<< ":/plugins");
m_engine->addDefaultLibrary("grantlee_scriptabletags");
m_engine->setSmartTrimEnabled(true);
m_loader = QSharedPointer<Grantlee::FileSystemTemplateLoader>(
new Grantlee::FileSystemTemplateLoader);
m_loader->setTemplateDirs(QStringList() << ":/templates");
m_engine->addTemplateLoader(m_loader);
m_engine->addDefaultLibrary("custom_tags");
}
MainWindow::~MainWindow() {}
void MainWindow::generateOutput()
{
m_tabWidget->clear();
QString outputType = m_designWidget->outputType();
m_loader->setTheme(outputType);
if (outputType == "cpp")
return generateCpp();
Grantlee::Template classTemplate
= m_engine->loadByName("class." + outputType);
if (classTemplate->error()) {
createOutputTab("Class", classTemplate->errorString());
return;
}
Grantlee::Context c = m_designWidget->getContext();
QString output;
QTextStream textStream(&output);
NoEscapeOutputStream stream(&textStream);
classTemplate->render(&stream, &c);
createOutputTab("Class", classTemplate->error() ? classTemplate->errorString()
: output);
}
void MainWindow::generateCpp()
{
Grantlee::Template headerTemplate = m_engine->loadByName("header.h");
if (headerTemplate->error()) {
createOutputTab("Header", headerTemplate->errorString());
return;
}
Grantlee::Context c = m_designWidget->getContext();
QString output;
QTextStream textStream(&output);
NoEscapeOutputStream stream(&textStream);
headerTemplate->render(&stream, &c);
createOutputTab("Header", headerTemplate->error()
? headerTemplate->errorString()
: output);
if (headerTemplate->error())
return;
output.clear();
Grantlee::Template implementationTemplate
= m_engine->loadByName("implementation.cpp");
if (implementationTemplate->error()) {
createOutputTab("Implementation", implementationTemplate->errorString());
return;
}
implementationTemplate->render(&stream, &c);
createOutputTab("Implementation", implementationTemplate->error()
? implementationTemplate->errorString()
: output);
if (implementationTemplate->error())
return;
output.clear();
if (c.lookup("pimpl").toBool()) {
Grantlee::Template privateHeaderTemplate
= m_engine->loadByName("private_header.h");
if (privateHeaderTemplate->error()) {
createOutputTab("Private Header", privateHeaderTemplate->errorString());
return;
}
c.insert("className", Grantlee::getSafeString(c.lookup("className"))
+ QString("Private"));
c.insert("baseClass", QVariant());
privateHeaderTemplate->render(&stream, &c);
createOutputTab("Private Header", privateHeaderTemplate->error()
? privateHeaderTemplate->errorString()
: output);
if (privateHeaderTemplate->error())
return;
}
}
void MainWindow::createOutputTab(const QString &label, const QString &content)
{
QTextBrowser *browser = new QTextBrowser(m_tabWidget);
QFont f;
f.setFamily("monospace");
browser->setCurrentFont(f);
m_tabWidget->addTab(browser, label);
browser->setPlainText(content);
}
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