/**********************************************************************************************
    Copyright (C) 2014-2015 Oliver Eichler <oliver.eichler@gmx.de>
    Copyright (C) 2018 Norbert Truchsess <norbert.truchsess@t-online.de>

    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 "mouse/line/CLineOpDeletePoint.h"

#include <QtWidgets>

#include "canvas/CCanvas.h"
#include "mouse/line/IMouseEditLine.h"
#include "units/IUnit.h"

CLineOpDeletePoint::CLineOpDeletePoint(SGisLine& points, CGisDraw* gis, CCanvas* canvas, IMouseEditLine* parent)
    : ILineOp(points, gis, canvas, parent) {
  cursor = QCursor(QPixmap(":/cursors/cursorPointDel.png"), 0, 0);
}

CLineOpDeletePoint::~CLineOpDeletePoint() {}

void CLineOpDeletePoint::mouseMove(const QPoint& pos) {
  ILineOp::mouseMove(pos);
  idxFocus = isCloseTo(pos);
  canvas->slotTriggerCompleteUpdate(CCanvas::eRedrawMouse);
}

void CLineOpDeletePoint::leftClick(const QPoint& pos) {
  if (idxFocus != NOIDX) {
    if (idxFocus > 0) {
      points[idxFocus - 1].subpts.clear();
    }

    points.remove(idxFocus--);
    updateLeadLines(idxFocus);

    slotTimeoutRouting();

    // store to undo/redo history
    parentHandler->storeToHistory(points);
  }
  idxFocus = NOIDX;
  canvas->slotTriggerCompleteUpdate(CCanvas::eRedrawMouse);
}

void CLineOpDeletePoint::drawFg(QPainter& p) {
  if (idxFocus == NOIDX) {
    return;
  }

  drawSinglePointLarge(points[idxFocus].pixel, p);
}
