/*=========================================================================

 medInria

 Copyright (c) INRIA 2013 - 2018. All rights reserved.
 See LICENSE.txt for details.
 
  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.

=========================================================================*/

#include <ITKProcessExample.h>
#include <ITKProcessExampleToolBox.h>

#include <dtkCoreSupport/dtkAbstractDataFactory.h>
#include <dtkCoreSupport/dtkAbstractData.h>

#include <medAbstractImageData.h>

#include <dtkCoreSupport/dtkAbstractProcessFactory.h>
#include <dtkCoreSupport/dtkAbstractProcess.h>
#include <dtkCoreSupport/dtkAbstractViewFactory.h>
#include <dtkCoreSupport/dtkAbstractView.h>
#include <dtkCoreSupport/dtkAbstractViewInteractor.h>
#include <dtkCoreSupport/dtkSmartPointer.h>

#include <medRunnableProcess.h>
#include <medJobManagerL.h>
#include <medPluginManager.h>

#include <medToolBoxFactory.h>
#include <medFilteringSelectorToolBox.h>
#include <medFilteringAbstractToolBox.h>
#include <medProgressionStack.h>

#include <QtGui>

class ITKProcessExampleToolBoxPrivate
{
public:
    QLineEdit *variance;
    dtkSmartPointer <dtkAbstractProcess> process;
    medProgressionStack * progression_stack;
};

ITKProcessExampleToolBox::ITKProcessExampleToolBox(QWidget *parent) : medFilteringAbstractToolBox(parent), d(new ITKProcessExampleToolBoxPrivate)
{
    // Parameters:

    QLabel *varianceLabel = new QLabel("Sigma : ");
    d->variance = new QLineEdit("1.0");

    QHBoxLayout *varianceLayout = new QHBoxLayout();
    varianceLayout->addWidget(varianceLabel);
    varianceLayout->addWidget(d->variance);

    // Run button:

    QPushButton *runButton = new QPushButton(tr("Run"));

    // Principal layout:

    QWidget *widget = new QWidget(this);

    d->progression_stack = new medProgressionStack(widget);

    QVBoxLayout *layprinc = new QVBoxLayout();
    layprinc->addLayout(varianceLayout);
    layprinc->addWidget(runButton);
    layprinc->addWidget(d->progression_stack);

    widget->setLayout(layprinc);

    // Main toolbox:
    this->setTitle("ITK Gaussian Smoothing");
    this->addWidget(widget);

    //enable about plugin. Construtor called after the plugin has been registered, go ahead call it.
    medPluginManager* pm = medPluginManager::instance();
    dtkPlugin* plugin = pm->plugin(
                "ITKProcessExamplePlugin");
    setAboutPluginButton(plugin);
    setAboutPluginVisibility(true);

    connect(runButton, SIGNAL(clicked()), this, SLOT(run()));

}

ITKProcessExampleToolBox::~ITKProcessExampleToolBox()
{
    delete d;

    d = NULL;
}

bool ITKProcessExampleToolBox::registered()
{
    return medToolBoxFactory::instance()->registerToolBox<ITKProcessExampleToolBox>();
}


medAbstractData* ITKProcessExampleToolBox::processOutput()
{
    if(!d->process)
        return NULL;

    return static_cast<medAbstractData*>(d->process->output());
}

void ITKProcessExampleToolBox::run()
{
    if(!this->parentToolBox())
        return;

    d->process = dtkAbstractProcessFactory::instance()->create("ITKProcessExampleGaussianBlur");

    if(!this->parentToolBox()->data())
        return;

    d->process->setInput(this->parentToolBox()->data());

    d->process->setParameter(d->variance->text().toDouble(),0);

    medRunnableProcess *runProcess = new medRunnableProcess;
    runProcess->setProcess (d->process);

    d->progression_stack->addJobItem(runProcess, tr("Progress:"));

    connect (runProcess, SIGNAL (success  (QObject*)),  this, SIGNAL (success ()));
    connect (runProcess, SIGNAL (failure  (QObject*)),  this, SIGNAL (failure ()));

    medJobManagerL::instance()->registerJobItem(runProcess);
    QThreadPool::globalInstance()->start(dynamic_cast<QRunnable*>(runProcess));

}

dtkPlugin* ITKProcessExampleToolBox::plugin()
{
    medPluginManager* pm = medPluginManager::instance();
    return pm->plugin("ITKProcessExamplePlugin");
}

void ITKProcessExampleToolBox::update(medAbstractData *data)
{

}