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ui/generic/textfileviewer.cpp

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+/*
+**********************************************************************************
+**
+** LibreCAD is a cross-platform 2D CAD program (github.com/LibreCAD/LibreCAD).
+**
+** Copyright (C) 2016 ravas (github.com/r-a-v-a-s)
+**
+** This program is free software; you can redistribute it and/or
+** modify it under the terms of the GNU General Public License Version 2
+** as published by the Free Software Foundation.
+**
+** 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, write to the Free Software
+** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+**
+** http://www.gnu.org/licenses/gpl-2.0.html
+**
+**********************************************************************************
+*/
+
+#include "textfileviewer.h"
+#include "ui_textfileviewer.h"
+
+#include <QFile>
+#include <QTextStream>
+#include <QPlainTextEdit>
+#include <QListWidget>
+
+TextFileViewer::TextFileViewer(QWidget* parent) :
+    QFrame(parent),
+    ui(new Ui::TextFileViewer)
+{
+    ui->setupUi(this);
+    ui->text_edit->setReadOnly(true);
+
+    connect(ui->list, &QListWidget::itemClicked, this, &TextFileViewer::loadFile);
+}
+
+TextFileViewer::~TextFileViewer()
+{
+    delete ui;
+}
+
+bool TextFileViewer::addFile(QString name, QString path)
+{
+    QFile file(path);
+    if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
+        return false;
+
+    QTextStream txt_stream(&file);
+    auto txt = txt_stream.readAll();
+
+    auto item = new QListWidgetItem(name, ui->list);
+    item->setWhatsThis(txt);
+    return true;
+}
+
+void TextFileViewer::loadFile(QListWidgetItem* item)
+{
+    ui->text_edit->setPlainText(item->whatsThis());
+}
+
+void TextFileViewer::setFile(QString name)
+{
+    auto item = ui->list->findItems(name, Qt::MatchExactly)[0];
+    ui->list->setCurrentItem(item);
+    loadFile(item);
+}