Initial import

src/tools/texteditor/mainwindow.cpp

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+/***************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact:  Qt Software Information (qt-info@nokia.com)
+**
+** 
+** Non-Open Source Usage  
+** 
+** Licensees may use this file in accordance with the Qt Beta Version
+** License Agreement, Agreement version 2.2 provided with the Software or,
+** alternatively, in accordance with the terms contained in a written
+** agreement between you and Nokia.  
+** 
+** GNU General Public License Usage 
+** 
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License versions 2.0 or 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the packaging
+** of this file.  Please review the following information to ensure GNU
+** General Public Licensing requirements will be met:
+**
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt GPL Exception version
+** 1.2, included in the file GPL_EXCEPTION.txt in this package.  
+** 
+***************************************************************************/
+
+#include "mainwindow.h"
+
+#include "texteditor/basetexteditor.h"
+
+#include <QtCore/QDebug>
+#include <QtCore/QFile>
+#include <QtCore/QFileInfo>
+#include <QtCore/QSettings>
+
+#include <QtGui/QAction>
+#include <QtGui/QFileDialog>
+#include <QtGui/QMenu>
+#include <QtGui/QMenuBar>
+#include <QtGui/QMessageBox>
+#include <QtGui/QStatusBar>
+#include <QtGui/QTabWidget>
+#include <QtGui/QTextBlock>
+#include <QtGui/QToolBar>
+
+
+class MyEditor;
+
+class MyEditable : public TextEditor::BaseTextEditorEditable
+{
+public:
+    MyEditable(MyEditor *editor);
+    ~MyEditable() {}
+
+    // Core::IContext
+    const QList<int>& context() const { return m_context; }
+    // Core::IEditor
+    const char* kind() const { return "MYEDITOR"; }
+    bool duplicateSupported() const { return false; }
+    Core::IEditor* duplicate(QWidget*) { return 0; }
+
+    MyEditor *m_editor;
+    QList<int> m_context;
+};
+
+
+class MyEditor : public TextEditor::BaseTextEditor
+{
+public:
+    MyEditor(QWidget *parent)
+      : TextEditor::BaseTextEditor(parent, 0)
+    {}
+
+    TextEditor::BaseTextEditorEditable* createEditableInterface()
+    {
+        return new MyEditable(this);
+    }
+    
+    void setPlainText(const QString &contents)
+    {   
+        qDebug() << "Setting contents to:\n" << contents;
+        QPlainTextEdit::setPlainText(contents);
+    }
+};
+
+
+MyEditable::MyEditable(MyEditor *editor)
+  : TextEditor::BaseTextEditorEditable(editor), m_editor(editor)
+{}
+
+
+
+///////////////////////////////////////////////////////////////////////////
+//
+// MainWindow
+//
+///////////////////////////////////////////////////////////////////////////
+
+MainWindow::MainWindow()
+{
+    //
+    //  Source code view
+    //
+    m_textViewers = new QTabWidget(this);
+    m_textViewers->setObjectName("Editors");
+    m_textViewers->setElideMode(Qt::ElideLeft);
+    setCentralWidget(m_textViewers);
+    setGeometry(QRect(0, 0, 800, 600));
+
+
+    m_fileOpenAction = new QAction("Open", this);
+    m_quitAction = new QAction("Quit", this);
+
+    //
+    //  Menubar
+    //
+    QMenu *fileMenu = new QMenu(menuBar());
+    fileMenu->setTitle(tr("File"));
+    fileMenu->addAction(m_fileOpenAction);
+    fileMenu->addSeparator();
+    fileMenu->addAction(m_quitAction);
+    menuBar()->addMenu(fileMenu);
+
+    //
+    //  Toolbar
+    //
+    QToolBar *toolbar = new QToolBar(this);
+    toolbar->setObjectName("ToolBar");
+    toolbar->addAction(m_fileOpenAction);
+    toolbar->addAction(m_quitAction);
+    addToolBar(Qt::TopToolBarArea, toolbar);
+
+    //
+    //  Statusbar
+    //
+    QStatusBar *statusbar = new QStatusBar(this);
+    statusbar->setObjectName("StatusBar");
+    setStatusBar(statusbar);
+
+    show();
+    restoreState(settings().value("MainWindow/State").toByteArray());
+    setGeometry(settings().value("MainWindow/Geometry").toRect());
+
+    //
+    // Connections
+    //
+    connect(m_fileOpenAction, SIGNAL(triggered()),
+        this, SLOT(fileOpen()));
+    connect(m_quitAction, SIGNAL(triggered()),
+        this, SLOT(close()));
+}
+
+MainWindow::~MainWindow()
+{
+    settings().setValue("MainWindow/State", saveState());
+    settings().setValue("MainWindow/Geometry", geometry());
+    settings().sync();
+}
+
+QSettings &MainWindow::settings()
+{
+    static QSettings s("Nokia", "TextEditor");
+    return s;
+}
+
+void MainWindow::loadFile(const QString &fileName)
+{
+   findOrCreateTextViewer(fileName);
+}
+
+void MainWindow::loadFiles(const QStringList &fileNames)
+{
+    foreach (const QString &fileName, fileNames)
+        loadFile(fileName);
+}
+
+void MainWindow::fileOpen()
+{
+    QString fileName = QFileDialog::getOpenFileName(this,
+        tr("Open Executable File"),
+        settings().value("FileOpen/LastDir").toString()
+        // filterQString & filter = QString(),
+        //QString * selectedFilter = 0, Options options = 0
+    );
+    settings().setValue("FileOpen/LastDir", QFileInfo(fileName).dir().dirName());
+    if (fileName.isEmpty())
+        return;
+    loadFile(fileName);   
+}
+
+
+Editor *MainWindow::findOrCreateTextViewer(const QString &fileName)
+{
+    Editor *textViewer = m_textViewerFromName.value(fileName);
+    if (textViewer)
+        return textViewer;
+
+    QFile file(fileName);
+    file.open(QIODevice::ReadOnly);
+    QString contents = file.readAll();
+
+    textViewer = new MyEditor(this);
+    textViewer->setPlainText(contents);
+    m_textViewerFromName[fileName] = textViewer;
+    m_textViewers->addTab(textViewer, fileName);
+    return textViewer;
+}
+