src/job_editor_widget/jobtextedit.cpp

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#include <QRegExp>
#include "jobtextedit.h"
#include <QtDebug>

JobTextEdit::JobTextEdit(QWidget *parent) : QTextEdit(parent)
{
    highlighter = new Highlighter(document());
    connect(this, SIGNAL(textChanged()),
            this, SLOT(onTextChanged()));
    setAcceptRichText(false);


    outPty = new JobTextEditProperty(QString(""),
                                     QString("o"),
                                     QString("([\\S]*)"), // TODO
                                     this);
    errPty = new JobTextEditProperty(QString(""),
                                     QString("e"),
                                     QString("([\\S]*)"), // TODO
                                     this);
    joinPty = new JobTextEditProperty(QString(""),
                                      QString("j"),
                                      QString("(oe|eo|n)"),
                                      this);
    mailPty = new JobTextEditProperty(QString(""),
                                      QString("M"),
                                      QString("([\\S]*)"), // TODO: user[@host][,user[@host],...]
                                      this);
    namePty = new JobTextEditProperty(QString(""),
                                      QString("N"),
                                      QString("([A-Z,a-z]\\S{,14})"),
                                      this);
    walltimePty = new JobTextEditProperty(QString("walltime"),
                                          QString("l"),
                                          QString("(\\d+|\\d+:\\d+|\\d+:\\d+:\\d+)"),
                                          this);
    nodesPty = new JobTextEditProperty(QString("nodes"),
                                       QString("l"),
                                       QString("([\\S\\:\\+\\=]*)"),
                                       this);
    nicePty = new JobTextEditProperty(QString("nice"),
                                      QString("l"),
                                      QString("(-?[0-2]?\\d)"),
                                      this);
    cputPty = new JobTextEditProperty(QString("cput"),
                                      QString("l"),
                                      QString("(\\d+|\\d+:\\d+|\\d+:\\d+:\\d+)"),
                                      this);
    pcputPty = new JobTextEditProperty(QString("pcput"),
                                       QString("l"),
                                       QString("(\\d+|\\d+:\\d+|\\d+:\\d+:\\d+)"),
                                       this);
    filePty = new JobTextEditProperty(QString("file"),
                                      QString("l"),
                                      QString("(\\d+[kmgt]?[bw]?)"),
                                      this);
    memPty = new JobTextEditProperty(QString("mem"),
                                     QString("l"),
                                     QString("(\\d+[kmgt]?[bw]?)"),
                                     this);
    pmemPty = new JobTextEditProperty(QString("pmem"),
                                      QString("l"),
                                      QString("(\\d+[kmgt]?[bw]?)"),
                                      this);
    vmemPty = new JobTextEditProperty(QString("vmem"),
                                      QString("l"),
                                      QString("(\\d+[kmgt]?[bw]?)"),
                                      this);
    pvmemPty = new JobTextEditProperty(QString("pvmem"),
                                      QString("l"),
                                      QString("(\\d+[kmgt]?[bw]?)"),
                                      this);
    archPty = new JobTextEditProperty(QString("arch"),
                                      QString("l"),
                                      QString("([\\S]*)"),
                                      this);
    hostPty = new JobTextEditProperty(QString("host"),
                                      QString("l"),
                                      QString("([\\S]*)"),
                                      this);
    otherPty = new JobTextEditProperty(QString("other"),
                                      QString("l"),
                                      QString("([\\S]*)"),
                                      this);
    opsysPty = new JobTextEditProperty(QString("opsys"),
                                      QString("l"),
                                      QString("([\\S]*)"),
                                      this);
    softwarePty = new JobTextEditProperty(QString("software"),
                                      QString("l"),
                                      QString("([\\S]*)"),
                                      this);
}

JobTextEdit::~JobTextEdit()
{
    delete walltimePty;
    delete nodesPty;
    delete errPty;
    delete outPty;
    delete joinPty;
    delete mailPty;
    delete namePty;
    delete cputPty;
    delete filePty;
    delete nicePty;
    delete pcputPty;
    delete pmemPty;
    delete pvmemPty;
    delete vmemPty;
    delete archPty;
    delete hostPty;
    delete otherPty;
    delete softwarePty;
    delete opsysPty;

    //delete highlighter; // FIXME
}

void JobTextEdit::onTextChanged()
{
    walltimePty->checkForPropertyChanged();
    nodesPty->checkForPropertyChanged();
    errPty->checkForPropertyChanged();
    outPty->checkForPropertyChanged();
    joinPty->checkForPropertyChanged();
    mailPty->checkForPropertyChanged();
    namePty->checkForPropertyChanged();
    cputPty->checkForPropertyChanged();
    filePty->checkForPropertyChanged();
    nicePty->checkForPropertyChanged();
    pcputPty->checkForPropertyChanged();
    pmemPty->checkForPropertyChanged();
    pvmemPty->checkForPropertyChanged();
    vmemPty->checkForPropertyChanged();
    archPty->checkForPropertyChanged();
    hostPty->checkForPropertyChanged();
    otherPty->checkForPropertyChanged();
    softwarePty->checkForPropertyChanged();
    opsysPty->checkForPropertyChanged();
}


// ------------------------- JobTextEditProperty ------------------------- //
JobTextEditProperty::JobTextEditProperty(QString name,
                                         QString opt,
                                         QString rxPattern,
                                         JobTextEdit * jte)
: QObject(), _name(name), _opt(opt), _jte(jte)
{
    //TODO: improve: check for "," and for #PBS at the beginning of the line
    if (name.isEmpty())
        _rx = QRegExp("#PBS -"+opt+" "+rxPattern+"[^\\n]*");
    else
        _rx = QRegExp("#PBS -l "+_name+"="+rxPattern+"[^\\n]*");
}

void JobTextEditProperty::checkForPropertyChanged()
{
    QString plainText = _jte->toPlainText();
    if (_rx.indexIn(plainText) != -1)
    {
        QStringList list = _rx.capturedTexts();
        QString newvalue = list.at(1);
        if (newvalue != _value)
        {
            _value = newvalue;
            emit propertyChanged(_value);
        }
    } else {
        if (!_value.isEmpty())
        {
            _value = "";
            emit propertyChanged(QString(""));
        }
    }
}

void JobTextEditProperty::setProperty(const QString & pty)
{
   if (pty.compare(_value) != 0)
    {
        if (pty.isEmpty())
        { // This property is no more used, remove it from the text widget
            QTextDocument * doc = _jte->document();
            QTextCursor cur;
            if (_name.isEmpty())
                cur = doc->find("#PBS -"+_opt+" "+_value);
            else
                cur = doc->find("#PBS -"+_opt+" "+_name+"="+_value);
            cur.removeSelectedText();
            _value = pty;
        } else {
            QString plainText = _jte->toPlainText();
            _value = pty;

            if (_rx.indexIn(plainText) != -1)
            {
                if (_name.isEmpty())
                    plainText.replace(_rx, "-"+_opt+" "+_value);
                else
                    plainText.replace(_rx, " "+_name+"="+_value);
                _jte->setPlainText(plainText);
            } else {
                if (_name.isEmpty())
                    addPBSProperty("-"+_opt+" "+_value);
                else
                    addPBSProperty("-"+_opt+" "+_name+"="+_value);
            }
        }
    }
}

void JobTextEditProperty::addPBSProperty(const QString & str)
{


    QTextDocument * doc = _jte->document();
    QTextCursor cur = doc->find(QRegExp("^(?: |\t)*#PBS "));
    if (cur.isNull())
    {
        cur = doc->find(QRegExp("^(?: |\t)*(?!#)"));
        // cur can not be null
        cur.setPosition(cur.position());
    } else {
        cur.setPosition(cur.anchor());
    }
    cur.insertText(QString("#PBS ")+str+"\n");
}

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