~smspillaz/unity/untiy.less-paint-insanity

// -*- Mode: C++; indent-tabs-mode: nil; tab-width: 2 -*-

/*

 * Copyright 2011 Canonical Ltd.

 *

 * This program is free software: you can redistribute it and/or modify it

 * under the terms of the GNU Lesser General Public License version 3, as

 * published by the  Free Software Foundation.

 *

 * This program is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranties of

 * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR

 * PURPOSE.  See the applicable version of the GNU Lesser General Public

 * License for more details.

 *

 * You should have received a copy of both the GNU Lesser General Public

 * License version 3 along with this program.  If not, see

 * <http://www.gnu.org/licenses/>

 *

 * Authored by: Gordon Allott <gord.allott@canonical.com>

 *

 */

#include <glib.h>

#include <glib/gi18n-lib.h>

#include <UnityCore/GLibWrapper.h>

#include "unity-shared/DashStyle.h"

#include "FilterGenreWidget.h"

#include "FilterGenreButton.h"

#include "FilterBasicButton.h"

namespace unity

{

namespace dash

{

NUX_IMPLEMENT_OBJECT_TYPE(FilterGenre);

FilterGenre::FilterGenre(int columns, NUX_FILE_LINE_DECL)

 : FilterExpanderLabel(_("Categories"), NUX_FILE_LINE_PARAM)

{

  dash::Style& style = dash::Style::Instance();

  InitTheme();

  all_button_ = new FilterAllButton(NUX_TRACKER_LOCATION);

  genre_layout_ = new nux::GridHLayout(NUX_TRACKER_LOCATION);

  genre_layout_->ForceChildrenSize(true);

  genre_layout_->MatchContentSize(true);

  genre_layout_->SetTopAndBottomPadding(style.GetSpaceBetweenFilterWidgets() - style.GetFilterHighlightPadding(), style.GetFilterHighlightPadding());

  genre_layout_->EnablePartialVisibility(false);

  if (columns == 3)

  {

    genre_layout_->SetChildrenSize((style.GetFilterBarWidth() - 12 * 2) / 3, style.GetFilterButtonHeight());

    genre_layout_->SetSpaceBetweenChildren (12, 12);

  }

  else

  {

    genre_layout_->SetChildrenSize((style.GetFilterBarWidth() - 10 ) / 2, style.GetFilterButtonHeight());

    genre_layout_->SetSpaceBetweenChildren (10, 12);

  }

  SetRightHandView(all_button_);

  SetContents(genre_layout_);

}

FilterGenre::~FilterGenre()

{

}

void FilterGenre::SetFilter(Filter::Ptr const& filter)

{

  filter_ = std::static_pointer_cast<CheckOptionFilter>(filter);

  all_button_->SetFilter(filter_);

  expanded = !filter_->collapsed();

  filter_->option_added.connect(sigc::mem_fun(this, &FilterGenre::OnOptionAdded));

  filter_->option_removed.connect(sigc::mem_fun(this, &FilterGenre::OnOptionRemoved));

  // finally - make sure we are up-todate with our filter list

  for (auto it : filter_->options())

    OnOptionAdded(it);

  SetLabel(filter_->name);

}

void FilterGenre::OnOptionAdded(FilterOption::Ptr const& new_filter)

{

  std::string tmp_label(new_filter->name);

  glib::String escape(g_markup_escape_text(tmp_label.c_str(), -1));

  std::string label(escape.Value());

  FilterGenreButton* button = new FilterGenreButton(label, NUX_TRACKER_LOCATION);

  button->SetFilter(new_filter);

  genre_layout_->AddView(button, 0, nux::MINOR_POSITION_CENTER, nux::MINOR_SIZE_FULL);

  buttons_.push_back(button);

}

void FilterGenre::OnOptionRemoved(FilterOption::Ptr const& removed_filter)

{

  for (auto it=buttons_.begin() ; it != buttons_.end(); ++it)

  {

    if ((*it)->GetFilter() == removed_filter)

    {

      genre_layout_->RemoveChildObject(*it);

      buttons_.erase(it);

      break;

    }

  }

}

std::string FilterGenre::GetFilterType()

{

  return "FilterBasicButton";

}

void FilterGenre::InitTheme()

{

  //FIXME - build theme here - store images, cache them, fun fun fun

}

} // namespace dash

} // namespace unity