annotate confirmcommentdialog.cpp @ 109:1721c580c10e

* Add a queueing mechanism for Hg actions, instead of refusing to start an action if something else is already happening.  This is essential now that actions can be prompted by asynchronous events (e.g. filesystem watcher).
 * Make Revert behave sensibly

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    EasyMercurial

    Based on hgExplorer by Jari Korhonen
    Copyright (c) 2010 Jari Korhonen
    Copyright (c) 2010 Chris Cannam
    Copyright (c) 2010 Queen Mary, University of London

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#include "confirmcommentdialog.h"
#include "common.h"

#include <QMessageBox>
#include <QInputDialog>
#include <QGridLayout>
#include <QLabel>
#include <QTextEdit>
#include <QDialogButtonBox>

ConfirmCommentDialog::ConfirmCommentDialog(QWidget *parent,
                                           QString title,
                                           QString introText,
                                           QString initialComment) :
    QDialog(parent)
{
    setWindowTitle(title);

    QGridLayout *layout = new QGridLayout;
    setLayout(layout);
    QLabel *label = new QLabel(introText);
    layout->addWidget(label, 0, 0);

    m_textEdit = new QTextEdit;
    m_textEdit->setAcceptRichText(false);
    m_textEdit->document()->setPlainText(initialComment);
    m_textEdit->setMinimumWidth(360);
    connect(m_textEdit, SIGNAL(textChanged()), this, SLOT(commentChanged()));
    layout->addWidget(m_textEdit, 1, 0);

    QDialogButtonBox *bbox = new QDialogButtonBox(QDialogButtonBox::Ok |
                                                  QDialogButtonBox::Cancel);
    layout->addWidget(bbox, 2, 0);
    m_ok = bbox->button(QDialogButtonBox::Ok);
    m_ok->setEnabled(initialComment != "");

    connect(bbox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(bbox, SIGNAL(rejected()), this, SLOT(reject()));
}

void ConfirmCommentDialog::commentChanged()
{
    m_ok->setEnabled(getComment() != "");
}

QString ConfirmCommentDialog::getComment() const
{
    return m_textEdit->document()->toPlainText();
}

QString ConfirmCommentDialog::buildFilesText(QString intro, QStringList files)
{
    QString text;
    text = "<qt>" + intro;
    text += "<p><code>";
    foreach (QString file, files) {
        text += "&nbsp;&nbsp;&nbsp;" + xmlEncode(file) + "<br>";
    }
    text += "</code></qt>";
    return text;
}

bool ConfirmCommentDialog::confirmFilesAction(QWidget *parent,
                                              QString title,
                                              QString introText,
                                              QString introTextWithCount,
                                              QStringList files)
{
    QString text;
    if (files.size() <= 10) {
        text = buildFilesText(introText, files);
    } else {
        text = "<qt>" + introTextWithCount.arg(files.size()) + "</qt>";
    }
    return (QMessageBox::information(parent,
                                     title,
                                     text,
                                     QMessageBox::Ok | QMessageBox::Cancel,
                                     QMessageBox::Ok)
            == QMessageBox::Ok);
}

bool ConfirmCommentDialog::confirmDangerousFilesAction(QWidget *parent,
                                                       QString title,
                                                       QString introText,
                                                       QString introTextWithCount,
                                                       QStringList files)
{
    QString text;
    if (files.size() <= 10) {
        text = buildFilesText(introText, files);
    } else {
        text = "<qt>" + introTextWithCount.arg(files.size()) + "</qt>";
    }
    return (QMessageBox::warning(parent,
                                 title,
                                 text,
                                 QMessageBox::Ok | QMessageBox::Cancel,
                                 QMessageBox::Cancel)
            == QMessageBox::Ok);
}

bool ConfirmCommentDialog::confirmAndGetShortComment(QWidget *parent,
                                                     QString title,
                                                     QString introText,
                                                     QString introTextWithCount,
                                                     QStringList files,
                                                     QString &comment)
{
    return confirmAndComment(parent, title, introText,
                             introTextWithCount, files, comment, false);
}

bool ConfirmCommentDialog::confirmAndGetLongComment(QWidget *parent,
                                                    QString title,
                                                    QString introText,
                                                    QString introTextWithCount,
                                                    QStringList files,
                                                    QString &comment)
{
    return confirmAndComment(parent, title, introText,
                             introTextWithCount, files, comment, true);
}

bool ConfirmCommentDialog::confirmAndComment(QWidget *parent,
                                             QString title,
                                             QString introText,
                                             QString introTextWithCount,
                                             QStringList files,
                                             QString &comment,
                                             bool longComment)
{
    QString text;
    if (files.size() <= 10) {
        text = buildFilesText(introText, files);
    } else {
        text = "<qt>" + introTextWithCount.arg(files.size());
    }
    text += tr("<p>Please enter your comment:</qt>");
    return confirmAndComment(parent, title, text, comment, longComment);
}

bool ConfirmCommentDialog::confirmAndGetShortComment(QWidget *parent,
                                                     QString title,
                                                     QString introText,
                                                     QString &comment)
{
    return confirmAndComment(parent, title, introText, comment, false);
}

bool ConfirmCommentDialog::confirmAndGetLongComment(QWidget *parent,
                                                    QString title,
                                                    QString introText,
                                                    QString &comment)
{
    return confirmAndComment(parent, title, introText, comment, true);
}

bool ConfirmCommentDialog::confirmAndComment(QWidget *parent,
                                             QString title,
                                             QString introText,
                                             QString &comment,
                                             bool longComment)
{
    bool ok = false;
    if (!longComment) {
        comment = QInputDialog::getText(parent, title, introText,
                                        QLineEdit::Normal, comment, &ok);
    } else {
        ConfirmCommentDialog *d = new ConfirmCommentDialog(parent,
                                                           title,
                                                           introText,
                                                           comment);
        if (d->exec() == QDialog::Accepted) {
            comment = d->getComment();
            ok = true;
        }
    }
    return ok;
}