File indexing completed on 2024-05-26 16:14:44

 /* This file is part of the KDE project
    Copyright (C) 2005 Laurent Montel <montel@kde.org>
    Copyright (C) 2006 Fredrik Edemar <f_edemar@linux.se>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KoVersionDialog.h"
 
 #include "KoMainWindow.h"
 #include "KoDocumentEntry.h"
 #include "KoPart.h"
 
 #include <QFile>
 #include <QGridLayout>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QLayout>
 #include <QList>
 #include <QPushButton>
 #include <QToolButton>
 #include <QTreeWidget>
 
 #include <MainDebug.h>
 #include <klocalizedstring.h>
 #include <kmessagebox.h>
 #include <QTemporaryFile>
 
 #include <QTextEdit>
 
 
 KoVersionDialog::KoVersionDialog(QWidget* parent, KoDocument *doc)
         : KoDialog(parent)
 {
     setCaption(i18n("Version"));
     setButtons(Close);
     setDefaultButton(Close);
     m_doc = doc;
 
     QWidget* page = new QWidget(this);
     setMainWidget(page);
     setModal(true);
 
     QGridLayout* grid1 = new QGridLayout(page);
 
     list = new QTreeWidget(page);
     list->setColumnCount(3);
     QStringList h;
     h.append(i18n("Date & Time"));
     h.append(i18n("Saved By"));
     h.append(i18n("Comment"));
     list->setHeaderLabels(h);
 
     updateVersionList();
 
     grid1->addWidget(list, 0, 0, 9, 1);
 
     m_pAdd = new QPushButton(i18n("&Add"), page);
     grid1->addWidget(m_pAdd, 1, 2);
 
     m_pRemove = new QPushButton(i18n("&Remove"), page);
     grid1->addWidget(m_pRemove, 2, 2);
 
     m_pModify = new QPushButton(i18n("&Modify"), page);
     grid1->addWidget(m_pModify, 3, 2);
 
     m_pOpen = new QPushButton(i18n("&Open"), page);
     grid1->addWidget(m_pOpen, 4, 2);
 
 
     connect(m_pRemove, SIGNAL(clicked()), this, SLOT(slotRemove()));
     connect(m_pAdd, SIGNAL(clicked()), this, SLOT(slotAdd()));
     connect(m_pOpen, SIGNAL(clicked()), this, SLOT(slotOpen()));
     connect(m_pModify, SIGNAL(clicked()), this, SLOT(slotModify()));
 
     updateButton();
 
     resize(600, 250);
 
 }
 
 KoVersionDialog::~KoVersionDialog()
 {
 }
 
 void KoVersionDialog::updateVersionList()
 {
     list->clear();
     // add all versions to the tree widget
     QList<KoVersionInfo> versions = m_doc->versionList();
     QList<QTreeWidgetItem *> items;
     for (int i = 0; i < versions.size(); ++i) {
         QStringList l;
         l.append(versions.at(i).date.toString());
         l.append(versions.at(i).saved_by);
         l.append(versions.at(i).comment);
         items.append(new QTreeWidgetItem(l));
     }
     list->insertTopLevelItems(0, items);
 }
 
 
 void KoVersionDialog::updateButton()
 {
 #if 0
     bool state = (list->currentItem() >= 0);
     m_pRemove->setEnabled(state);
 #endif
 }
 
 void KoVersionDialog::slotAdd()
 {
     KoVersionModifyDialog * dlg = new KoVersionModifyDialog(this, 0);
     if (!dlg->exec()) {
         delete dlg;
         return;
     }
 
     if (!m_doc->addVersion(dlg->comment()))
         KMessageBox::error(this, i18n("A new version could not be added"));
 
     delete dlg;
 
     updateVersionList();
 }
 
 void KoVersionDialog::slotRemove()
 {
     if (!list->currentItem())
         return;
 
     for (int i = 0; i < m_doc->versionList().size(); ++i) {
         if (m_doc->versionList().at(i).date.toString() == list->currentItem()->text(0)) {
             m_doc->versionList().takeAt(i);
             delete list->currentItem();
             return;
         }
     }
 }
 
 void KoVersionDialog::slotModify()
 {
     if (!list->currentItem())
         return;
 
     KoVersionInfo *version = 0;
     for (int i = 0; i < m_doc->versionList().size(); ++i) {
         if (m_doc->versionList().at(i).date.toString() == list->currentItem()->text(0)) {
             version = &m_doc->versionList()[i];
             break;
         }
     }
     if (!version)
         return;
 
     KoVersionModifyDialog * dlg = new KoVersionModifyDialog(this, version);
     if (dlg->exec()) {
         version->comment = dlg->comment();
         list->currentItem()->setText(2, version->comment);
     }
     delete dlg;
 
 }
 
 void KoVersionDialog::slotOpen()
 {
     if (!list->currentItem())
         return;
 
     KoVersionInfo *version = 0;
     for (int i = 0; i < m_doc->versionList().size(); ++i) {
         if (m_doc->versionList().at(i).date.toString() == list->currentItem()->text(0)) {
             version = &m_doc->versionList()[i];
             break;
         }
     }
     if (!version)
         return;
 
     QTemporaryFile tmp;
     tmp.setAutoRemove(false);
     tmp.open();
     tmp.write(version->data);
     tmp.flush();
     tmp.setPermissions(QFile::ReadUser);
     tmp.flush();
 
     if (!m_doc->documentPart()->mainWindows().isEmpty()) { //open the version in a new window if possible
         KoDocumentEntry entry = KoDocumentEntry::queryByMimeType(m_doc->nativeOasisMimeType());
         if (entry.isEmpty()) {
             entry = KoDocumentEntry::queryByMimeType(m_doc->nativeFormatMimeType());
         }
         Q_ASSERT(!entry.isEmpty());
         QString errorMsg;
         KoPart *part= entry.createKoPart(&errorMsg);
         if (!part) {
             if (!errorMsg.isEmpty())
                 KMessageBox::error(0, errorMsg);
             return;
         }
         KoMainWindow *mainWindow = part->createMainWindow();
         mainWindow ->openDocument(QUrl::fromLocalFile(tmp.fileName()));
         mainWindow ->show();
     } else {
         m_doc->openUrl(QUrl::fromUserInput(tmp.fileName()));
     }
 
     tmp.setAutoRemove(true);
     slotButtonClicked(Close);
 }
 
 KoVersionModifyDialog::KoVersionModifyDialog(QWidget* parent, KoVersionInfo *info)
         : KoDialog(parent)
 {
     setCaption(i18n("Comment"));
     setButtons(Ok | Cancel);
     setDefaultButton(Ok);
     setModal(true);
 
     QWidget* page = new QWidget(this);
     setMainWidget(page);
 
     QVBoxLayout *grid1 = new QVBoxLayout(page);
 
     QLabel *l = new QLabel(page);
     if (info)
         l->setText(i18n("Date: %1", info->date.toString()));
     else
         l->setText(i18n("Date: %1", QDateTime::currentDateTime().toString(Qt::ISODate)));
     grid1->addWidget(l);
 
     m_textEdit = new QTextEdit(page);
     if (info)
         m_textEdit->setText(info->comment);
     grid1->addWidget(m_textEdit);
 
 }
 
 QString KoVersionModifyDialog::comment() const
 {
     return m_textEdit->toPlainText();
 }