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/*
* viewer.cpp - plugin
* Copyright (C) 2009-2010 Evgeny Khryukin
*
* 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.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#include "viewer.h"
#include <QFile>
#include <QFileInfo>
#include <QHBoxLayout>
#include <QMessageBox>
#include <QPushButton>
#include <QTextStream>
Viewer::Viewer(QString filename, IconFactoryAccessingHost *IcoHost, QWidget *parent) :
QDialog(parent), icoHost_(IcoHost), fileName_(filename)
{
setAttribute(Qt::WA_DeleteOnClose);
setWindowTitle(filename);
setWindowFlags(Qt::Dialog | Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowCloseButtonHint
| Qt::CustomizeWindowHint);
QVBoxLayout *layout = new QVBoxLayout(this);
textWid = new QTextEdit();
QPalette pal = textWid->palette();
pal.setColor(QPalette::Inactive, QPalette::Highlight, pal.color(QPalette::Active, QPalette::Highlight));
pal.setColor(QPalette::Inactive, QPalette::HighlightedText, pal.color(QPalette::Active, QPalette::HighlightedText));
textWid->setPalette(pal);
layout->addWidget(textWid);
findBar = new ClientSwitcher::TypeAheadFindBar(icoHost_, textWid, tr("Find"), this);
QPushButton *Close = new QPushButton(icoHost_->getIcon("psi/quit"), tr("Close"));
QPushButton *Save = new QPushButton(icoHost_->getIcon("psi/save"), tr("Save Changes"));
QPushButton *Delete = new QPushButton(icoHost_->getIcon("psi/remove"), tr("Delete Log"));
QPushButton *Update = new QPushButton(icoHost_->getIcon("psi/reload"), tr("Update Log"));
QHBoxLayout *butLayout = new QHBoxLayout();
butLayout->addWidget(Delete);
butLayout->addStretch();
butLayout->addWidget(Update);
butLayout->addWidget(Save);
butLayout->addWidget(Close);
layout->addWidget(findBar);
layout->addLayout(butLayout);
connect(Close, &QPushButton::released, this, &Viewer::close);
connect(Delete, &QPushButton::released, this, &Viewer::deleteLog);
connect(Save, &QPushButton::released, this, &Viewer::saveLog);
connect(Update, &QPushButton::released, this, &Viewer::updateLog);
connect(findBar, &ClientSwitcher::TypeAheadFindBar::firstPage, this, &Viewer::firstPage);
connect(findBar, &ClientSwitcher::TypeAheadFindBar::lastPage, this, &Viewer::lastPage);
connect(findBar, &ClientSwitcher::TypeAheadFindBar::prevPage, this, &Viewer::prevPage);
connect(findBar, &ClientSwitcher::TypeAheadFindBar::nextPage, this, &Viewer::nextPage);
}
void Viewer::closeEvent(QCloseEvent *e)
{
emit onClose(width(), height());
QDialog::closeEvent(e);
e->accept();
}
void Viewer::deleteLog()
{
int ret = QMessageBox::question(this, tr("Delete log file"), tr("Are you sure?"), QMessageBox::Yes,
QMessageBox::Cancel);
if (ret == QMessageBox::Cancel) {
return;
}
close();
QFile file(fileName_);
if (file.open(QIODevice::ReadWrite)) {
file.remove();
}
}
void Viewer::saveLog()
{
QDateTime Modified = QFileInfo(fileName_).lastModified();
if (lastModified_ < Modified) {
QMessageBox msgBox;
msgBox.setWindowTitle(tr("Save log"));
msgBox.setText(tr("New messages has been added to log. If you save your changes, you will lose them"));
msgBox.setInformativeText(tr("Do you want to save your changes?"));
msgBox.setStandardButtons(QMessageBox::Save | QMessageBox::Cancel);
msgBox.setDefaultButton(QMessageBox::Cancel);
int ret = msgBox.exec();
if (ret == QMessageBox::Cancel) {
return;
}
} else {
int ret
= QMessageBox::question(this, tr("Save log"), tr("Are you sure?"), QMessageBox::Yes, QMessageBox::Cancel);
if (ret == QMessageBox::Cancel) {
return;
}
}
QFile file(fileName_);
if (file.open(QIODevice::ReadWrite)) {
file.remove();
}
if (file.open(QIODevice::ReadWrite)) {
QTextStream out(&file);
out.setCodec("UTF-8");
QString Text = textWid->toPlainText();
pages_.insert(currentPage_, Text);
for (int i = 0; i < pages_.size(); i++) {
out.setGenerateByteOrderMark(false);
out << pages_.value(i);
}
}
}
void Viewer::updateLog()
{
pages_.clear();
init();
}
bool Viewer::init()
{
bool b = false;
QFile file(fileName_);
if (file.open(QIODevice::ReadOnly)) {
QString page;
int numPage = 0;
QTextStream in(&file);
in.setCodec("UTF-8");
while (!in.atEnd()) {
page = "";
for (int i = 0; i < 500; i++) {
if (in.atEnd())
break;
page += in.readLine() + "\n";
}
pages_.insert(numPage++, page);
}
currentPage_ = pages_.size() - 1;
lastModified_ = QDateTime::currentDateTime();
setPage();
b = true;
}
return b;
}
void Viewer::setPage()
{
QString text = pages_.value(currentPage_);
textWid->setText(text);
QTextCursor cur = textWid->textCursor();
cur.setPosition(text.length());
textWid->setTextCursor(cur);
}
void Viewer::nextPage()
{
if (currentPage_ < pages_.size() - 1)
currentPage_++;
setPage();
}
void Viewer::prevPage()
{
if (currentPage_ > 0)
currentPage_--;
setPage();
}
void Viewer::lastPage()
{
currentPage_ = pages_.size() - 1;
setPage();
}
void Viewer::firstPage()
{
currentPage_ = 0;
setPage();
}
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