/**************************************************************************
**
** This file is part of Qt Creator
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** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
**
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**
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** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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#include "profileeditor.h"

#include "profilehighlighter.h"
#include "qt4projectmanager.h"
#include "qt4projectmanagerconstants.h"
#include "profileeditorfactory.h"
#include "addlibrarywizard.h"

#include <coreplugin/icore.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/actioncontainer.h>
#include <texteditor/fontsettings.h>
#include <texteditor/texteditoractionhandler.h>
#include <texteditor/texteditorconstants.h>
#include <texteditor/texteditorsettings.h>

#include <QtCore/QFileInfo>
#include <QtGui/QMenu>

using namespace Qt4ProjectManager;
using namespace Qt4ProjectManager::Internal;

//
// ProFileEditorEditable
//

ProFileEditorEditable::ProFileEditorEditable(ProFileEditor *editor)
  : BaseTextEditorEditable(editor),
    m_context(Qt4ProjectManager::Constants::C_PROFILEEDITOR,
              TextEditor::Constants::C_TEXTEDITOR)
{
//    m_contexts << uidm->uniqueIdentifier(Qt4ProjectManager::Constants::PROJECT_KIND);
}

Core::Context ProFileEditorEditable::context() const
{
    return m_context;
}

Core::IEditor *ProFileEditorEditable::duplicate(QWidget *parent)
{
    ProFileEditor *ret = new ProFileEditor(parent, qobject_cast<ProFileEditor*>(editor())->factory(),
                                           qobject_cast<ProFileEditor*>(editor())->actionHandler());
    ret->duplicateFrom(editor());
    TextEditor::TextEditorSettings::instance()->initializeEditor(ret);
    return ret->editableInterface();
}

QString ProFileEditorEditable::id() const
{
    return QLatin1String(Qt4ProjectManager::Constants::PROFILE_EDITOR_ID);
}

//
// ProFileEditorEditor
//

ProFileEditor::ProFileEditor(QWidget *parent, ProFileEditorFactory *factory, TextEditor::TextEditorActionHandler *ah)
    : BaseTextEditor(parent), m_factory(factory), m_ah(ah)
{
    ProFileDocument *doc = new ProFileDocument();
    doc->setMimeType(QLatin1String(Qt4ProjectManager::Constants::PROFILE_MIMETYPE));
    setBaseTextDocument(doc);

    ah->setupActions(this);

    baseTextDocument()->setSyntaxHighlighter(new ProFileHighlighter);
    m_commentDefinition.clearCommentStyles();
    m_commentDefinition.setSingleLine(QString(QLatin1Char('#')));
}

ProFileEditor::~ProFileEditor()
{
}

void ProFileEditor::unCommentSelection()
{
    Utils::unCommentSelection(this, m_commentDefinition);
}

TextEditor::BaseTextEditorEditable *ProFileEditor::createEditableInterface()
{
    return new ProFileEditorEditable(this);
}

void ProFileEditor::contextMenuEvent(QContextMenuEvent *e)
{
    QMenu *menu = new QMenu();

    Core::ActionManager *am = Core::ICore::instance()->actionManager();
    Core::ActionContainer *mcontext = am->actionContainer(Qt4ProjectManager::Constants::M_CONTEXT);
    QMenu *contextMenu = mcontext->menu();

    foreach (QAction *action, contextMenu->actions())
        menu->addAction(action);

    appendStandardContextMenuActions(menu);

    menu->exec(e->globalPos());
    delete menu;
}

void ProFileEditor::setFontSettings(const TextEditor::FontSettings &fs)
{
    TextEditor::BaseTextEditor::setFontSettings(fs);
    ProFileHighlighter *highlighter = qobject_cast<ProFileHighlighter*>(baseTextDocument()->syntaxHighlighter());
    if (!highlighter)
        return;

    static QVector<QString> categories;
    if (categories.isEmpty()) {
        categories << QLatin1String(TextEditor::Constants::C_TYPE)
                   << QLatin1String(TextEditor::Constants::C_KEYWORD)
                   << QLatin1String(TextEditor::Constants::C_COMMENT);
    }

    const QVector<QTextCharFormat> formats = fs.toTextCharFormats(categories);
    highlighter->setFormats(formats.constBegin(), formats.constEnd());
    highlighter->rehighlight();
}

void ProFileEditor::addLibrary()
{
    AddLibraryWizard wizard(file()->fileName(), this);
    if (wizard.exec() != QDialog::Accepted)
        return;

    TextEditor::BaseTextEditorEditable *editable = editableInterface();
    const int endOfDoc = editable->position(TextEditor::ITextEditor::EndOfDoc);
    editable->setCurPos(endOfDoc);
    QString snippet = wizard.snippet();

    // add extra \n in case the last line is not empty
    int line, column;
    editable->convertPosition(endOfDoc, &line, &column);
    if (!editable->textAt(endOfDoc - column, column).simplified().isEmpty())
        snippet = QLatin1Char('\n') + snippet;

    editable->insert(snippet);
}

//
// ProFileDocument
//

ProFileDocument::ProFileDocument()
        : TextEditor::BaseTextDocument()
{
}

QString ProFileDocument::defaultPath() const
{
    QFileInfo fi(fileName());
    return fi.absolutePath();
}

QString ProFileDocument::suggestedFileName() const
{
    QFileInfo fi(fileName());
    return fi.fileName();
}