#include "CodeEdtUI.h"

#include <QPlainTextEdit>  
#include <QMenuBar>  
#include <QAction>  
#include <QStatusBar>  
#include <QFileDialog>  
#include <QTextStream>  
#include <QVBoxLayout>  
#include <QFont>
#include <qdebug.h>

#include "SyntaxHighlighter.h"

#include "../DockTitleBar.h"
#include "../DockWidget.h"

CodeEdtUI::CodeEdtUI(QWidget *parent)
    : QMainWindow(parent)
{
    ui.setupUi(this);

    // 创建代码编辑器  
    editor = new QPlainTextEdit(this);

    QFont serifFont("Times", 20, QFont::Bold);
    editor->setFont(serifFont);

    syntaxHighlighter = new SyntaxHighlighter(editor->document());

    setCentralWidget(editor);

    // 创建菜单  
    QMenu* fileMenu = menuBar()->addMenu(tr("&file"));
    QAction* openAction = new QAction(tr("&Import the template"), this);
    QAction* saveAction = new QAction(tr("&save"), this);
    fileMenu->addAction(openAction);
    fileMenu->addAction(saveAction);

    connect(openAction, &QAction::triggered, this, &CodeEdtUI::openFile);
    connect(saveAction, &QAction::triggered, this, &CodeEdtUI::saveFile);

    // 状态栏  
    statusBar();
}

void CodeEdtUI::AttachDock(DockWidget* dockWidget)
{
    if (nullptr == dockWidget) {
        qDebug() << __FUNCTION__ << "dockwidget is nullptr";
        return;
    }

    dockWidget->SetDockWidgetTitleBar(nullptr);
    dockWidget->setWidget(this);

    DockTitleBar* dockTitleBar = new DockTitleBar;

    dockTitleBar->SetTitle(tr("matlab editor"));

    dockWidget->SetDockWidgetTitleBar(dockTitleBar);
}

void CodeEdtUI::openFile() {
    QString fileName = QFileDialog::getOpenFileName(this, "Open File", "", "Matlab Files (*.m)");
    if (!fileName.isEmpty()) {
        QFile file(fileName);
        if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
            QTextStream in(&file);
            editor->setPlainText(in.readAll());
            file.close();
        }
    }
}

void CodeEdtUI::saveFile() {
    QString fileName = QFileDialog::getSaveFileName(this, "Save File", "", "Matlab Files (*.m)");
    if (!fileName.isEmpty()) {
        QFile file(fileName);
        if (file.open(QIODevice::WriteOnly | QIODevice::Text)) {
            QTextStream out(&file);
            out << editor->toPlainText();
            file.close();
        }
    }
}