/***

  Olive - Non-Linear Video Editor
  Copyright (C) 2019 Olive Team

  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 "param.h"

ParamPanel::ParamPanel(QWidget* parent) :
  PanelWidget(parent)
{
  // FIXME: This won't work if there's ever more than one of this panel
  setObjectName("ParamPanel");

  view_ = new NodeParamView(this);
  connect(view_, &NodeParamView::TimeChanged, this, &ParamPanel::TimeChanged);
  connect(view_, &NodeParamView::SelectedInputChanged, this, &ParamPanel::SelectedInputChanged);
  connect(view_, &NodeParamView::TimebaseChanged, this, &ParamPanel::TimebaseChanged);

  setWidget(view_);

  Retranslate();
}

void ParamPanel::ZoomIn()
{
  view_->SetScale(view_->GetScale() * 2);
}

void ParamPanel::ZoomOut()
{
  view_->SetScale(view_->GetScale() * 0.5);
}

void ParamPanel::SetNodes(QList<Node *> nodes)
{
  view_->SetNodes(nodes);

  Retranslate();
}

void ParamPanel::SetTime(const int64_t &timestamp)
{
  view_->SetTime(timestamp);
}

void ParamPanel::changeEvent(QEvent *e)
{
  if (e->type() == QEvent::LanguageChange) {
    Retranslate();
  }
  PanelWidget::changeEvent(e);
}

void ParamPanel::Retranslate()
{
  SetTitle(tr("Parameter Editor"));

  if (view_->nodes().isEmpty()) {
    SetSubtitle(tr("(none)"));
  } else if (view_->nodes().size() == 1) {
    SetSubtitle(view_->nodes().first()->Name());
  } else {
    SetSubtitle(tr("(multiple)"));
  }
}