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** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
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** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
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** GNU General Public License Usage
**
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** 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
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#include "qtscripteditoractionhandler.h"
#include "qtscripteditorconstants.h"
#include "qtscripteditor.h"

#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/scriptmanager/scriptmanagerinterface.h>

#include <QtGui/QAction>
#include <QtGui/QMessageBox>
#include <QtGui/QMainWindow>
#include <QtCore/QDebug>

static QAction *actionFromId(Core::ICore *core, const QString &id)
{
    Core::ICommand *cmd = core->actionManager()->command(id);
    if (!cmd)
        return 0;
    return cmd->action();
}

namespace QtScriptEditor {
namespace Internal {

QtScriptEditorActionHandler::QtScriptEditorActionHandler(Core::ICore *core) :
    TextEditor::TextEditorActionHandler(core,
                                        QLatin1String(QtScriptEditor::Constants::C_QTSCRIPTEDITOR),
                                        Format),
    m_runAction(0)
{
}

void QtScriptEditorActionHandler::createActions()
{
    TextEditor::TextEditorActionHandler::createActions();
    m_runAction = actionFromId(core(), QLatin1String(QtScriptEditor::Constants::RUN));
    connect(m_runAction, SIGNAL(triggered()), this, SLOT(run()));
}


void QtScriptEditorActionHandler::updateActions(UpdateMode um)
{
    TextEditor::TextEditorActionHandler::updateActions(um);
    if (m_runAction)
        m_runAction->setEnabled(um != NoEditor);
}

void QtScriptEditorActionHandler::run()
{
    typedef Core::ScriptManagerInterface::Stack Stack;
    if (!currentEditor())
        return;

    const QString script = currentEditor()->toPlainText();

    // run
    Stack errorStack;
    QString errorMessage;
    if (core()->scriptManager()->runScript(script, &errorMessage, &errorStack))
        return;

    // try to find a suitable error line in the stack
    // ignoring 0 and other files (todo: open other files?)
    int errorLineNumber = 0;
    if (const int numFrames = errorStack.size()) {
        for (int f = 0; f < numFrames; f++) {
            if (errorStack[f].lineNumber && errorStack[f].fileName.isEmpty()) {
                errorLineNumber = errorStack[f].lineNumber;
                break;
            }
        }
    }
    if (errorLineNumber)
        currentEditor()->gotoLine(errorLineNumber);
    QMessageBox::critical(core()->mainWindow(), tr("Qt Script Error"), errorMessage);
}

} // namespace Internal
} // namespace QtScriptEditor