/*
 * Copyright (c) 1998-2007 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source 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 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Emil Ong
 */

package com.caucho.ria.examples.words;

import javafx.ui.*;
import javafx.ui.canvas.*;

class WordNode extends CompositeNode {
  attribute x: Number;
  attribute y: Number;
  attribute value: String;
  attribute text: Text;
  attribute word: Word;
  attribute readOnly: Boolean;
}

operation WordNode.updatePosition(e:CanvasMouseEvent) {
  if (not readOnly) {
    x += e.localDragTranslation.x;
    y += e.localDragTranslation.y;

    if (x < 0) {
      x = 0;
    }

    if (y < 0) {
      y = 0;
    }

    if (x + text.currentWidth + 8 > 403) {
      x = 403 - text.currentWidth - 8;
    }

    if (y + text.currentHeight + 8 > 199) {
      y = 199 - text.currentHeight - 8;
    }

    if (x > 202) {
      word.setUsed(true);
    }
    else {
      word.setUsed(false);
    }
  }
}

attribute WordNode.text = Text {
  x: bind x
  y: bind y
  content: bind value
  onMouseDragged: operation(e:CanvasMouseEvent) {
    updatePosition(e);
  }
};

function WordNode.composeNode() = Group {
  cursor: HAND
  content: [
    Rect {
      x: bind x - 4
      y: bind y - 5
      width: bind text.currentWidth + 8
      height: bind text.currentHeight + 8
      arcHeight: 5
      arcWidth: 5
      stroke: black
      fill: yellow
      opacity: 1
      onMouseDragged: operation(e:CanvasMouseEvent) {
        updatePosition(e);
      }
    },
    text
  ]
};

// Poor man's binding of JavaFX class to our Java class

trigger on WordNode.x[oldValue] = newValue {
  word.setX(newValue);
}

trigger on WordNode.y[oldValue] = newValue {
  word.setY(newValue);
}