125 lines
4.8 KiB
C++
125 lines
4.8 KiB
C++
/****************************************************************************
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PGetFunctionsBlockDialog.cpp
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Author: Andreas Suter
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e-mail: andreas.suter@psi.ch
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*****************************************************************************/
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/***************************************************************************
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* Copyright (C) 2009-2021 by Andreas Suter *
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* andreas.suter@psi.ch *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the *
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* Free Software Foundation, Inc., *
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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***************************************************************************/
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#include <QTextEdit>
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#include <QLineEdit>
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#include <QMessageBox>
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#include <QRegularExpression>
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#include <QEvent>
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#include <QDesktopServices>
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#include <QUrl>
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#include <QtDebug>
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#include "PGetFunctionsBlockDialog.h"
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//----------------------------------------------------------------------------------------------------
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/**
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* <p>Constructor.
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*
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* \param helpUrl help url for the FUNCTIONS block.
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*/
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PGetFunctionsBlockDialog::PGetFunctionsBlockDialog(const QString helpUrl) : fHelpUrl(helpUrl)
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{
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setupUi(this);
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setModal(true);
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fFunctionInput_lineEdit->setFocus();
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}
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//----------------------------------------------------------------------------------------------------
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/**
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* <p>Adds a function to the FUNCTIONS block text edit after carrying out some primitve tests about
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* the consistency of the function (far from being a syntax/semantic checker!!).
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*/
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void PGetFunctionsBlockDialog::addFunction()
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{
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QString str = fFunctionInput_lineEdit->text();
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if (str.isEmpty())
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return;
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// validation
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// check that the function string starts with 'fun'
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if (!str.trimmed().startsWith("fun")) {
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QMessageBox::critical(this, "addFunction",
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"a function has to start with 'funX' (X a number).\nNeeds to be fixed.",
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QMessageBox::Ok, QMessageBox::NoButton);
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return;
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}
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// check if function string contains 'funX ='
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if (str.indexOf( QRegularExpression("fun\\d+\\s*=") ) == -1) {
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QMessageBox::critical(this, "addFunction",
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"a function has to start with 'funX =' (X a positive number).\nNeeds to be fixed.",
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QMessageBox::Ok, QMessageBox::NoButton);
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return;
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}
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// check if function string contains more than one 'funX'
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if (str.trimmed().lastIndexOf("fun", -1, Qt::CaseInsensitive) > 0) {
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QMessageBox::critical(this, "addFunction",
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"a function cannot contain more than one function,\ni.e. fun2 = fun1 + par1 is not OK.",
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QMessageBox::Ok, QMessageBox::NoButton);
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return;
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}
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// add to Functions block
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fFunctionBlock_plainTextEdit->appendPlainText(str);
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// clear functions input text
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fFunctionInput_lineEdit->clear();
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}
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//----------------------------------------------------------------------------------------------------
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/**
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* <p>Generates a help content window showing the description of the FUNCTIONS block.
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*/
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void PGetFunctionsBlockDialog::helpContent()
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{
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if (fHelpUrl.isEmpty()) {
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QMessageBox::information(this, "**INFO**", "Will eventually show a help window");
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} else {
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bool ok = QDesktopServices::openUrl(QUrl(fHelpUrl, QUrl::TolerantMode));
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if (!ok) {
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QString msg = QString("<p>Sorry: Couldn't open default web-browser for the help.<br>Please try: <a href=\"%1\">musrfit docu</a> in your web-browser.").arg(fHelpUrl);
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QMessageBox::critical( nullptr,
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tr("Fatal Error"),
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msg,
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tr("Quit") );
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}
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}
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}
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//----------------------------------------------------------------------------------------------------
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// END
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//----------------------------------------------------------------------------------------------------
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