consoleimpl.cpp

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/*
        Description: stdout viewer

        Author: Marco Costalba (C) 2006

        Copyright: See COPYING file that comes with this distribution

*/
#include <qlabel.h>
#include <qtextedit.h>
#include <qpushbutton.h>
#include <qstatusbar.h>
#include <qmessagebox.h>
#include <qapplication.h>
#include <qcursor.h>
#include "myprocess.h"
#include "git.h"
#include "consoleimpl.h"

ConsoleImpl::ConsoleImpl(const QString& nm, Git* g) :
             Console(0, 0, Qt::WDestructiveClose), name(nm), git(g) {

        textEditOutput->setFont(QGit::TYPE_WRITER_FONT);
        QFont f = textLabelCmd->font();
        f.setBold(true);
        textLabelCmd->setFont(f);
        setCaption("\'" + name + "\' output window - QGit");
}

void ConsoleImpl::pushButtonOk_clicked() {

        close();
}

void ConsoleImpl::closeEvent(QCloseEvent* ce) {

        if (proc && proc->isRunning())
                if (QMessageBox::question(this, "Action output window - QGit",
                    "Action is still running.\nAre you sure you want to close "
                    "the window and leave the action running in background?",
                    "&Yes", "&No", QString::null, 1, 1) == 1) {
                        ce->ignore();
                        return;
                }
        if (QApplication::overrideCursor())
                QApplication::restoreOverrideCursor();

        Console::closeEvent(ce);
}

bool ConsoleImpl::start(const QString& cmd, const QString& cmdArgs, QStringList* env) {

        statusBar()->message("Executing \'" + name + "\' action...");

        // in case of a multi-sequence, line arguments are bounded to first command only
        QString txt = cmd.section('\n', 0, 0).stripWhiteSpace();
        QString args = cmdArgs.stripWhiteSpace();
        QString tail(cmd.section('\n', 1).stripWhiteSpace());

        if (!args.isEmpty())
                txt.append(' ' + args);

        if (!tail.isEmpty()) // any one-line command followed by a newline would fail
                txt.append('\n' + tail);

        textLabelCmd->setText(txt);
        if (tail.isEmpty())
                proc = git->runAsync(txt, this, "", env);
        else
                proc = git->runAsScript(txt.append('\n'), this, "", env); // wrap in a script

        if (proc.isNull())
                deleteLater();
        else
                QApplication::setOverrideCursor(QCursor(Qt::WaitCursor));

        return !proc.isNull();
}

void ConsoleImpl::on_procDataReady(const QByteArray& data) {

        QString newParagraph;
        if (QGit::stripPartialParaghraps(data, &newParagraph, &inpBuf))
                // QTextEdit::append() adds a new paragraph,
                // i.e. inserts a LF if not already present.
                textEditOutput->append(newParagraph);
}

void ConsoleImpl::on_eof() {

        textEditOutput->append(inpBuf);
        inpBuf = "";
        QApplication::restoreOverrideCursor();
        statusBar()->message("End of \'" + name + "\' execution.");
        pushButtonStop->setEnabled(false);
        emit customAction_exited(name);
}

void ConsoleImpl::pushButtonStop_clicked() {

        git->cancelProcess(proc);
        on_eof();
}

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