filebrowser/ui/src/editorview.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:15:20 +0300
branchRCL_3
changeset 19 b3cee849fa46
permissions -rw-r--r--
Revision: 201033 Kit: 201035
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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <HbView>
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#include <HbApplication>
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#include <HbAction>
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#include <HbMenu>
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#include <HbTextEdit>
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#include <hbpushbutton.h>
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#include <QGraphicsLinearLayout>
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#include <QFile>
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#include <QFileInfo>
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#include <QTextStream>
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#include <QByteArray>
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#include <QByteRef>
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#include "editorview.h"
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EditorView::EditorView() :
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    mTextEdit(0),
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    mFileHex(false),
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    mFlagReadOnly(),
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    mFileName(),
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    mFileContent(),
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    mToTextAction(0),
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    mToHexAction(0),
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    mExitAction(0)
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{
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    // Override back navigation action
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    HbAction *backNaviAction = new HbAction(Hb::BackNaviAction, this);
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    connect(backNaviAction, SIGNAL(triggered()), this, SLOT(backButtonClicked()));
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    setNavigationAction(backNaviAction);
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    createMenu();
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    // text editor
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//    mTextEdit = new QTextEdit();
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//    QGraphicsLinearLayout *editorLayout = new QGraphicsLinearLayout(Qt::Vertical);
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//    QGraphicsProxyWidget *editorWidget = new QGraphicsProxyWidget();
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//    editorWidget->setWidget(mTextEdit);
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//    editorLayout->addItem(editorWidget);
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//    setLayout(editorLayout);
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    mTextEdit = new HbTextEdit();
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    mTextEdit->setAlignment(Qt::AlignTop);
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    QGraphicsLinearLayout *editorLayout = new QGraphicsLinearLayout(Qt::Vertical, this);
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    editorLayout->addItem(mTextEdit);
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    setLayout(editorLayout);
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}
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EditorView::~EditorView() 
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{
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//    delete mTextEdit;
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//    delete mToTextAction;
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//    delete mToHexAction;
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//    delete mExitAction;
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}
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void EditorView::open(const QString& fileName, bool flagReadOnly)
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{
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    mFlagReadOnly = flagReadOnly;
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    if (!fileName.isEmpty()) {
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        mTextEdit->setReadOnly(mFlagReadOnly);
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        loadFile(fileName);
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    }
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    else {
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        // not valid file name
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    }
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}
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void EditorView::loadFile(const QString &fileName)
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{
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    mFileName = fileName;
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    QFile file(fileName);
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    QFileInfo baseName(fileName);
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    setTitle(baseName.fileName());
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    if (!file.open(QFile::ReadOnly | QFile::Text)) {
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        // note: cannot be opened. readonly or not text
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        return;
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    }
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    QTextStream in(&file);
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    in.setAutoDetectUnicode(false);
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    mFileContent = in.readAll();
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    file.close();
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    displayInText();
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}
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void EditorView::displayInText()
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{
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    mFileHex = false;
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    QByteArray asciiContent = mFileContent.toAscii();
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    mTextEdit->setPlainText(QString(asciiContent));
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}
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void EditorView::displayInHex()
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{
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    QByteArray asciiContent = mFileContent.toAscii().toHex();
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    QString textInHex = QString(asciiContent);
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    mTextEdit->setPlainText(textInHex);
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    mFileHex = true;
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}
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void EditorView::createMenu()
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{
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    mToTextAction = menu()->addAction("View as text");
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    connect(mToTextAction, SIGNAL(triggered()), this, SLOT(displayInText()));
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    mToHexAction = menu()->addAction("View as hex");
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    connect(mToHexAction, SIGNAL(triggered()), this, SLOT(displayInHex()));
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//    mExitAction = menu()->addAction("Exit");
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//    connect(mExitAction, SIGNAL(triggered()), this, SLOT(backButtonClicked()));
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    // update the menus before showing it:
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    connect(menu(), SIGNAL(aboutToShow()), this, SLOT(updateMenu()));
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}
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void EditorView::updateMenu()
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{
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    mToTextAction->setVisible(mFileHex);
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    mToHexAction->setVisible(!mFileHex);
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}	
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void EditorView::backButtonClicked()
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{
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    emit finished(false);
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}
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   144