/*
 * LCD Image Converter. Converts images and fonts for embedded applications.
 * Copyright (C) 2015 riuson
 * mailto: riuson@gmail.com
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/
 */

#include "toolsmanager.h"

#include <QList>
#include <QAction>
#include "iimageeditortool.h"
#include "toolpen.h"
#include "toolline.h"
#include "toolrect.h"
#include "toolzoom.h"
#include "toolfill.h"
#include "toolcolor.h"
//-----------------------------------------------------------------------------
namespace ImageEditor
{
//-----------------------------------------------------------------------------
ToolsManager::ToolsManager(QObject *parent) : QObject(parent)
{
    this->mParentWidget = qobject_cast<QWidget *>(parent);
    this->mTools = new QList<IImageEditorTool *> ();
    this->mToolsActions = new QList<QAction *> ();

    this->initializeTools();
    this->initializeActions();
}
//-----------------------------------------------------------------------------
ToolsManager::~ToolsManager()
{
    qDeleteAll(*this->mToolsActions);
    delete this->mToolsActions;

    qDeleteAll(*this->mTools);
    delete this->mTools;
}
//-----------------------------------------------------------------------------
const QList<IImageEditorTool *> *ToolsManager::tools() const
{
    return this->mTools;
}
//-----------------------------------------------------------------------------
const QList<QAction *> *ToolsManager::toolsActions() const
{
    return this->mToolsActions;
}
//-----------------------------------------------------------------------------
int ToolsManager::scale() const
{
    return this->mZoomer->scale();
}
//-----------------------------------------------------------------------------
const QColor ToolsManager::foreColor() const
{
    return this->mColors->foreColor();
}
//-----------------------------------------------------------------------------
const QColor ToolsManager::backColor() const
{
    return this->mColors->backColor();
}
//-----------------------------------------------------------------------------
QWidget *ToolsManager::parentWidget() const
{
    return this->mParentWidget;
}
//-----------------------------------------------------------------------------
void ToolsManager::setScale(int value)
{
    this->mZoomer->setScale(value);
}
//-----------------------------------------------------------------------------
void ToolsManager::initializeTools()
{
    this->mTools->append(new ToolPen(this, this));
    this->mTools->append(new ToolLine(this, this));
    this->mTools->append(new ToolRect(this, this));
    this->mTools->append(new ToolFill(this, this));

    this->mColors = new ToolColor(this, this);
    this->mTools->append(this->mColors);

    this->mZoomer = new ToolZoom(this, this);
    this->connect(this->mZoomer, SIGNAL(scaleChanged(int)), SIGNAL(scaleChanged(int)));
    this->mTools->append(this->mZoomer);
}
//-----------------------------------------------------------------------------
void ToolsManager::initializeActions()
{
    for (int i = 0; i < this->mTools->length(); i++)
    {
        IImageEditorTool *tool = this->mTools->at(i);
        QAction *toolAction = new QAction(*tool->icon(), tool->title(), this);
        toolAction->setData(QVariant(i)); // index of the tool
        toolAction->setCheckable(true);
        this->connect(toolAction, SIGNAL(triggered()), SLOT(on_toolAction_triggered()));
        this->mToolsActions->append(toolAction);
    }
}
//-----------------------------------------------------------------------------
void ToolsManager::selectTool(IImageEditorTool *tool)
{
    int toolIndex = -1;

    for (int i = 0; i < this->mTools->length(); i++)
    {
        if (this->mTools->at(i) == tool)
        {
            this->mToolsActions->at(i)->setChecked(true);
            this->mSelectedTool = tool;
            toolIndex = i;
        }
        else
        {
            this->mToolsActions->at(i)->setChecked(false);
        }
    }

    emit this->toolChanged(toolIndex);
}
//-----------------------------------------------------------------------------
void ToolsManager::on_toolAction_triggered()
{
    QAction *action = qobject_cast<QAction *>(sender());

    if (action != NULL)
    {
        bool ok;
        int toolIndex = action->data().toInt(&ok);

        if (ok)
        {
            IImageEditorTool *tool = this->mTools->at(toolIndex);
            this->selectTool(tool);
        }
    }
}
//-----------------------------------------------------------------------------
} // end of namespace
//-----------------------------------------------------------------------------