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**
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** GNU Lesser General Public License Usage
**
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** 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
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#include "qmljseditorplugin.h"
#include "qmljshighlighter.h"
#include "qmljseditor.h"
#include "qmljseditorconstants.h"
#include "qmljseditorfactory.h"
#include "qmljscodecompletion.h"
#include "qmljshoverhandler.h"
#include "qmljsmodelmanager.h"
#include "qmlfilewizard.h"
#include "qmljspreviewrunner.h"

#include <qmldesigner/qmldesignerconstants.h>

#include <coreplugin/icore.h>
#include <coreplugin/coreconstants.h>
#include <coreplugin/mimedatabase.h>
#include <coreplugin/uniqueidmanager.h>
#include <coreplugin/fileiconprovider.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/actionmanager/actioncontainer.h>
#include <coreplugin/actionmanager/command.h>
#include <coreplugin/editormanager/editormanager.h>
#include <extensionsystem/pluginmanager.h>
#include <texteditor/fontsettings.h>
#include <texteditor/storagesettings.h>
#include <texteditor/texteditorconstants.h>
#include <texteditor/texteditorsettings.h>
#include <texteditor/textfilewizard.h>
#include <texteditor/texteditoractionhandler.h>
#include <texteditor/completionsupport.h>
#include <utils/qtcassert.h>

#include <QtCore/QtPlugin>
#include <QtCore/QDebug>
#include <QtCore/QSettings>
#include <QtCore/QDir>
#include <QtCore/QCoreApplication>
#include <QtGui/QMenu>
#include <QtGui/QAction>

using namespace QmlJSEditor;
using namespace QmlJSEditor::Internal;
using namespace QmlJSEditor::Constants;

QmlJSEditorPlugin *QmlJSEditorPlugin::m_instance = 0;

QmlJSEditorPlugin::QmlJSEditorPlugin() :
        m_modelManager(0),
    m_wizard(0),
    m_editor(0),
    m_actionHandler(0)
{
    m_instance = this;
}

QmlJSEditorPlugin::~QmlJSEditorPlugin()
{
    removeObject(m_editor);
    delete m_actionHandler;
    m_instance = 0;
}

bool QmlJSEditorPlugin::initialize(const QStringList & /*arguments*/, QString *error_message)
{
    Core::ICore *core = Core::ICore::instance();
    if (!core->mimeDatabase()->addMimeTypes(QLatin1String(":/qmljseditor/QmlJSEditor.mimetypes.xml"), error_message))
        return false;

    m_modelManager = new ModelManager(this);
    addAutoReleasedObject(m_modelManager);

    QList<int> context;
    context << core->uniqueIDManager()->uniqueIdentifier(QmlJSEditor::Constants::C_QMLJSEDITOR_ID)
            << core->uniqueIDManager()->uniqueIdentifier(QmlDesigner::Constants::C_QT_QUICK_TOOLS_MENU);

    m_editor = new QmlJSEditorFactory(this);
    addObject(m_editor);

    Core::BaseFileWizardParameters wizardParameters(Core::IWizard::FileWizard);
    wizardParameters.setCategory(QLatin1String(Core::Constants::WIZARD_CATEGORY_QT));
    wizardParameters.setDisplayCategory(QCoreApplication::translate("Core", Core::Constants::WIZARD_TR_CATEGORY_QT));
    wizardParameters.setDescription(tr("Creates a Qt QML file."));
    wizardParameters.setDisplayName(tr("Qt QML File"));
    wizardParameters.setId(QLatin1String("Q.Qml"));
    addAutoReleasedObject(new QmlFileWizard(wizardParameters, core));

    m_actionHandler = new TextEditor::TextEditorActionHandler(QmlJSEditor::Constants::C_QMLJSEDITOR_ID,
          TextEditor::TextEditorActionHandler::Format
        | TextEditor::TextEditorActionHandler::UnCommentSelection
        | TextEditor::TextEditorActionHandler::UnCollapseAll);
    m_actionHandler->initializeActions();

    Core::ActionManager *am =  core->actionManager();
    Core::ActionContainer *contextMenu = am->createMenu(QmlJSEditor::Constants::M_CONTEXT);

    Core::ActionContainer *mtools = am->actionContainer(Core::Constants::M_TOOLS);
    Core::ActionContainer *menuQtQuick = am->createMenu(Constants::M_QTQUICK);
    menuQtQuick->menu()->setTitle(tr("Qt Quick"));
    mtools->addMenu(menuQtQuick);
    m_actionPreview = new QAction(tr("&Preview"), this);

    QList<int> toolsMenuContext = QList<int>()
                                  << core->uniqueIDManager()->uniqueIdentifier(QmlDesigner::Constants::C_QT_QUICK_TOOLS_MENU);
    Core::Command *cmd = addToolAction(m_actionPreview,  am, toolsMenuContext,
                   QLatin1String("QtQuick.Preview"), menuQtQuick, tr("Ctrl+Alt+R"));
    connect(cmd->action(), SIGNAL(triggered()), SLOT(openPreview()));

    m_previewRunner = new QmlJSPreviewRunner(this);
    m_actionPreview->setEnabled(m_previewRunner->isReady());

    QAction *followSymbolUnderCursorAction = new QAction(tr("Follow Symbol Under Cursor"), this);
    cmd = am->registerAction(followSymbolUnderCursorAction, Constants::FOLLOW_SYMBOL_UNDER_CURSOR, context);
    cmd->setDefaultKeySequence(QKeySequence(Qt::Key_F2));
    connect(followSymbolUnderCursorAction, SIGNAL(triggered()), this, SLOT(followSymbolUnderCursor()));
    contextMenu->addAction(cmd);

    cmd = am->command(TextEditor::Constants::AUTO_INDENT_SELECTION);
    contextMenu->addAction(cmd);

    cmd = am->command(TextEditor::Constants::UN_COMMENT_SELECTION);
    contextMenu->addAction(cmd);

    CodeCompletion *completion = new CodeCompletion(m_modelManager);
    addAutoReleasedObject(completion);

    addAutoReleasedObject(new HoverHandler);

    // Set completion settings and keep them up to date
    TextEditor::TextEditorSettings *textEditorSettings = TextEditor::TextEditorSettings::instance();
    completion->setCompletionSettings(textEditorSettings->completionSettings());
    connect(textEditorSettings, SIGNAL(completionSettingsChanged(TextEditor::CompletionSettings)),
            completion, SLOT(setCompletionSettings(TextEditor::CompletionSettings)));

    error_message->clear();

    Core::FileIconProvider *iconProvider = Core::FileIconProvider::instance();
    iconProvider->registerIconOverlayForSuffix(QIcon(":/qmljseditor/images/qmlfile.png"), "qml");

    return true;
}

void QmlJSEditorPlugin::extensionsInitialized()
{
}

void QmlJSEditorPlugin::openPreview()
{
    Core::EditorManager *em = Core::EditorManager::instance();

    if (em->currentEditor() && em->currentEditor()->id() == Constants::C_QMLJSEDITOR_ID)
        m_previewRunner->run(em->currentEditor()->file()->fileName());

}

void QmlJSEditorPlugin::initializeEditor(QmlJSEditor::Internal::QmlJSTextEditor *editor)
{
    QTC_ASSERT(m_instance, /**/);

    m_actionHandler->setupActions(editor);

    TextEditor::TextEditorSettings::instance()->initializeEditor(editor);

    // auto completion
    connect(editor, SIGNAL(requestAutoCompletion(TextEditor::ITextEditable*, bool)),
            TextEditor::Internal::CompletionSupport::instance(), SLOT(autoComplete(TextEditor::ITextEditable*, bool)));
}

void QmlJSEditorPlugin::followSymbolUnderCursor()
{
    Core::EditorManager *em = Core::EditorManager::instance();

    if (QmlJSTextEditor *editor = qobject_cast<QmlJSTextEditor*>(em->currentEditor()->widget()))
        editor->followSymbolUnderCursor();
}

Core::Command *QmlJSEditorPlugin::addToolAction(QAction *a, Core::ActionManager *am,
                                          const QList<int> &context, const QString &name,
                                          Core::ActionContainer *c1, const QString &keySequence)
{
    Core::Command *command = am->registerAction(a, name, context);
    if (!keySequence.isEmpty())
        command->setDefaultKeySequence(QKeySequence(keySequence));
    c1->addAction(command);
    return command;
}


Q_EXPORT_PLUGIN(QmlJSEditorPlugin)