1 files changed, 313 insertions, 0 deletions
diff --git a/application/pages/instance/OtherLogsPage.cpp b/application/pages/instance/OtherLogsPage.cpp
new file mode 100644
index 00000000..10cb1145
--- /dev/null
+++ b/application/pages/instance/OtherLogsPage.cpp
@@ -0,0 +1,313 @@
+/* Copyright 2013-2018 MultiMC Contributors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "OtherLogsPage.h"
+#include "ui_OtherLogsPage.h"
+
+#include <QMessageBox>
+
+#include "GuiUtil.h"
+#include "RecursiveFileSystemWatcher.h"
+#include <GZip.h>
+#include <FileSystem.h>
+#include <QShortcut>
+
+OtherLogsPage::OtherLogsPage(QString path, IPathMatcher::Ptr fileFilter, QWidget *parent)
+	: QWidget(parent), ui(new Ui::OtherLogsPage), m_path(path), m_fileFilter(fileFilter),
+	  m_watcher(new RecursiveFileSystemWatcher(this))
+{
+	ui->setupUi(this);
+	ui->tabWidget->tabBar()->hide();
+
+	m_watcher->setMatcher(fileFilter);
+	m_watcher->setRootDir(QDir::current().absoluteFilePath(m_path));
+
+	connect(m_watcher, &RecursiveFileSystemWatcher::filesChanged, this, &OtherLogsPage::populateSelectLogBox);
+	populateSelectLogBox();
+
+	auto findShortcut = new QShortcut(QKeySequence(QKeySequence::Find), this);
+	connect(findShortcut, &QShortcut::activated, this, &OtherLogsPage::findActivated);
+
+	auto findNextShortcut = new QShortcut(QKeySequence(QKeySequence::FindNext), this);
+	connect(findNextShortcut, &QShortcut::activated, this, &OtherLogsPage::findNextActivated);
+
+	auto findPreviousShortcut = new QShortcut(QKeySequence(QKeySequence::FindPrevious), this);
+	connect(findPreviousShortcut, &QShortcut::activated, this, &OtherLogsPage::findPreviousActivated);
+
+	connect(ui->searchBar, &QLineEdit::returnPressed, this, &OtherLogsPage::on_findButton_clicked);
+}
+
+OtherLogsPage::~OtherLogsPage()
+{
+	delete ui;
+}
+
+void OtherLogsPage::openedImpl()
+{
+	m_watcher->enable();
+}
+void OtherLogsPage::closedImpl()
+{
+	m_watcher->disable();
+}
+
+void OtherLogsPage::populateSelectLogBox()
+{
+	ui->selectLogBox->clear();
+	ui->selectLogBox->addItems(m_watcher->files());
+	if (m_currentFile.isEmpty())
+	{
+		setControlsEnabled(false);
+		ui->selectLogBox->setCurrentIndex(-1);
+	}
+	else
+	{
+		const int index = ui->selectLogBox->findText(m_currentFile);
+		if (index != -1)
+		{
+			ui->selectLogBox->setCurrentIndex(index);
+			setControlsEnabled(true);
+		}
+		else
+		{
+			setControlsEnabled(false);
+		}
+	}
+}
+
+void OtherLogsPage::on_selectLogBox_currentIndexChanged(const int index)
+{
+	QString file;
+	if (index != -1)
+	{
+		file = ui->selectLogBox->itemText(index);
+	}
+
+	if (file.isEmpty() || !QFile::exists(FS::PathCombine(m_path, file)))
+	{
+		m_currentFile = QString();
+		ui->text->clear();
+		setControlsEnabled(false);
+	}
+	else
+	{
+		m_currentFile = file;
+		on_btnReload_clicked();
+		setControlsEnabled(true);
+	}
+}
+
+void OtherLogsPage::on_btnReload_clicked()
+{
+	if(m_currentFile.isEmpty())
+	{
+		setControlsEnabled(false);
+		return;
+	}
+	QFile file(FS::PathCombine(m_path, m_currentFile));
+	if (!file.open(QFile::ReadOnly))
+	{
+		setControlsEnabled(false);
+		ui->btnReload->setEnabled(true); // allow reload
+		m_currentFile = QString();
+		QMessageBox::critical(this, tr("Error"), tr("Unable to open %1 for reading: %2")
+													 .arg(m_currentFile, file.errorString()));
+	}
+	else
+	{
+		auto setPlainText = [&](const QString & text)
+		{
+			QString fontFamily = MMC->settings()->get("ConsoleFont").toString();
+			bool conversionOk = false;
+			int fontSize = MMC->settings()->get("ConsoleFontSize").toInt(&conversionOk);
+			if(!conversionOk)
+			{
+				fontSize = 11;
+			}
+			QTextDocument *doc = ui->text->document();
+			doc->setDefaultFont(QFont(fontFamily, fontSize));
+			ui->text->setPlainText(text);
+		};
+		auto showTooBig = [&]()
+		{
+			setPlainText(
+				tr("The file (%1) is too big. You may want to open it in a viewer optimized "
+				   "for large files.").arg(file.fileName()));
+		};
+		if(file.size() > (1024ll * 1024ll * 12ll))
+		{
+			showTooBig();
+			return;
+		}
+		QString content;
+		if(file.fileName().endsWith(".gz"))
+		{
+			QByteArray temp;
+			if(!GZip::unzip(file.readAll(), temp))
+			{
+				setPlainText(
+					tr("The file (%1) is not readable.").arg(file.fileName()));
+				return;
+			}
+			content = QString::fromUtf8(temp);
+		}
+		else
+		{
+			content = QString::fromUtf8(file.readAll());
+		}
+		if (content.size() >= 50000000ll)
+		{
+			showTooBig();
+			return;
+		}
+		setPlainText(content);
+	}
+}
+
+void OtherLogsPage::on_btnPaste_clicked()
+{
+	GuiUtil::uploadPaste(ui->text->toPlainText(), this);
+}
+
+void OtherLogsPage::on_btnCopy_clicked()
+{
+	GuiUtil::setClipboardText(ui->text->toPlainText());
+}
+
+void OtherLogsPage::on_btnDelete_clicked()
+{
+	if(m_currentFile.isEmpty())
+	{
+		setControlsEnabled(false);
+		return;
+	}
+	if (QMessageBox::question(this, tr("Delete"),
+							  tr("Do you really want to delete %1?").arg(m_currentFile),
+							  QMessageBox::Yes, QMessageBox::No) == QMessageBox::No)
+	{
+		return;
+	}
+	QFile file(FS::PathCombine(m_path, m_currentFile));
+	if (!file.remove())
+	{
+		QMessageBox::critical(this, tr("Error"), tr("Unable to delete %1: %2")
+													 .arg(m_currentFile, file.errorString()));
+	}
+}
+
+
+
+void OtherLogsPage::on_btnClean_clicked()
+{
+	auto toDelete = m_watcher->files();
+	if(toDelete.isEmpty())
+	{
+		return;
+	}
+	QMessageBox *messageBox = new QMessageBox(this);
+	messageBox->setWindowTitle(tr("Clean up"));
+	if(toDelete.size() > 5)
+	{
+		messageBox->setText(tr("Do you really want to delete all log files?"));
+		messageBox->setDetailedText(toDelete.join('\n'));
+	}
+	else
+	{
+		messageBox->setText(tr("Do you really want to delete these files?\n%1").arg(toDelete.join('\n')));
+	}
+	messageBox->setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+	messageBox->setDefaultButton(QMessageBox::Ok);
+	messageBox->setTextInteractionFlags(Qt::TextSelectableByMouse);
+	messageBox->setIcon(QMessageBox::Question);
+	messageBox->setTextInteractionFlags(Qt::TextBrowserInteraction);
+
+	if (messageBox->exec() != QMessageBox::Ok)
+	{
+		return;
+	}
+	QStringList failed;
+	for(auto item: toDelete)
+	{
+		QFile file(FS::PathCombine(m_path, item));
+		if (!file.remove())
+		{
+			failed.push_back(item);
+		}
+	}
+	if(!failed.empty())
+	{
+		QMessageBox *messageBox = new QMessageBox(this);
+		messageBox->setWindowTitle(tr("Error"));
+		if(failed.size() > 5)
+		{
+			messageBox->setText(tr("Couldn't delete some files!"));
+			messageBox->setDetailedText(failed.join('\n'));
+		}
+		else
+		{
+			messageBox->setText(tr("Couldn't delete some files:\n%1").arg(failed.join('\n')));
+		}
+		messageBox->setStandardButtons(QMessageBox::Ok);
+		messageBox->setDefaultButton(QMessageBox::Ok);
+		messageBox->setTextInteractionFlags(Qt::TextSelectableByMouse);
+		messageBox->setIcon(QMessageBox::Critical);
+		messageBox->setTextInteractionFlags(Qt::TextBrowserInteraction);
+		messageBox->exec();
+	}
+}
+
+
+void OtherLogsPage::setControlsEnabled(const bool enabled)
+{
+	ui->btnReload->setEnabled(enabled);
+	ui->btnDelete->setEnabled(enabled);
+	ui->btnCopy->setEnabled(enabled);
+	ui->btnPaste->setEnabled(enabled);
+	ui->text->setEnabled(enabled);
+	ui->btnClean->setEnabled(enabled);
+}
+
+// FIXME: HACK, use LogView instead?
+static void findNext(QPlainTextEdit * _this, const QString& what, bool reverse)
+{
+	_this->find(what, reverse ? QTextDocument::FindFlag::FindBackward : QTextDocument::FindFlag(0));
+}
+
+void OtherLogsPage::on_findButton_clicked()
+{
+	auto modifiers = QApplication::keyboardModifiers();
+	bool reverse = modifiers & Qt::ShiftModifier;
+	findNext(ui->text, ui->searchBar->text(), reverse);
+}
+
+void OtherLogsPage::findNextActivated()
+{
+	findNext(ui->text, ui->searchBar->text(), false);
+}
+
+void OtherLogsPage::findPreviousActivated()
+{
+	findNext(ui->text, ui->searchBar->text(), true);
+}
+
+void OtherLogsPage::findActivated()
+{
+	// focus the search bar if it doesn't have focus
+	if (!ui->searchBar->hasFocus())
+	{
+		ui->searchBar->setFocus();
+		ui->searchBar->selectAll();
+	}
+}