#include "nodeeditor.h"

#include <QVBoxLayout>
#include <QLabel>
#include <QPushButton>
#include <QGraphicsProxyWidget>
#include <QDebug>

NodeEditor::NodeEditor(QWidget *parent) :
  EffectsPanel(parent),
  view_(&scene_)
{
  resize(720, 480);

  QWidget* central_widget = new QWidget();
  setWidget(central_widget);

  QVBoxLayout* layout = new QVBoxLayout(central_widget);
  layout->addWidget(&view_);

  view_.setInteractive(true);
  view_.setDragMode(QGraphicsView::RubberBandDrag);
  connect(&view_, SIGNAL(ScrollChanged(qreal, qreal)), this, SLOT(Scroll(qreal, qreal)));
}

void NodeEditor::Retranslate()
{

}

void NodeEditor::LoadEvent()
{
  nodes_.resize(open_effects_.size());
  for (int i=0;i<open_effects_.size();i++) {
    EffectUI* effect_ui = open_effects_.at(i);

    NodeUI* node_ui = new NodeUI();

    effect_ui->SetNodeParent(node_ui);
    effect_ui->SetSelectable(false);

    node_ui->SetWidget(effect_ui);
    node_ui->AddToScene(&scene_);

    nodes_[i] = node_ui;
  }
}

void NodeEditor::ClearEvent()
{
  NodeUI* node;

  foreach (node, nodes_) {
    delete node;
  }

  nodes_.clear();
}

void NodeEditor::Scroll(qreal x, qreal y)
{
  NodeUI* node;

  foreach (node, nodes_) {
    node->moveBy(x, y);
  }
}