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package com.hfg.svg;

import java.awt.Color;
import java.awt.Composite;
import java.awt.Graphics2D;
import java.awt.Paint;
import java.awt.Rectangle;
import java.awt.Stroke;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.util.List;

import com.hfg.css.CSS;
import com.hfg.css.CSSDeclaration;
import com.hfg.graphics.Graphics2DState;
import com.hfg.graphics.ColorUtil;
import com.hfg.util.StringUtil;
import com.hfg.xml.XMLTag;
import com.hfg.xml.XMLizable;

//------------------------------------------------------------------------------
/**
 * Object representation of an SVG (Scalable Vector Graphics) rect tag.
 *
 * @author J. Alex Taylor, hairyfatguy.com
 */
//------------------------------------------------------------------------------
// com.hfg XML/HTML Coding Library
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// J. Alex Taylor, President, Founder, CEO, COO, CFO, OOPS hairyfatguy.com
// [email protected]
//------------------------------------------------------------------------------

public class SvgRect extends AbstractSvgNode implements SvgNode
{
   //###########################################################################
   // CONSTRUCTORS
   //###########################################################################

   //---------------------------------------------------------------------------
   public SvgRect()
   {
      super(SVG.rect);
   }

   //---------------------------------------------------------------------------
   public SvgRect(Rectangle inRect)
   {
      this();
      setAttribute(SvgAttr.x, SVG.formatCoordinate(inRect.getX()));
      setAttribute(SvgAttr.y, SVG.formatCoordinate(inRect.getY()));
      setWidth(inRect.getWidth());
      setHeight(inRect.getHeight());
//      setStyle(DEFAULT_STYLE);
   }

   //---------------------------------------------------------------------------
   public SvgRect(Rectangle2D inRect)
   {
      this();
      setAttribute(SvgAttr.x, SVG.formatCoordinate(inRect.getX()));
      setAttribute(SvgAttr.y, SVG.formatCoordinate(inRect.getY()));
      setWidth(inRect.getWidth());
      setHeight(inRect.getHeight());
//      setStyle(DEFAULT_STYLE);
   }

   //---------------------------------------------------------------------------
   public SvgRect(XMLTag inXMLTag)
   {
      this();
      initFromXMLTag(inXMLTag);
   }

   //###########################################################################
   // PUBLIC METHODS
   //###########################################################################

   //---------------------------------------------------------------------------
   public SvgRect setFill(Color inColor)
   {
      setAttribute(SvgAttr.fill, (inColor != null ? "#" + ColorUtil.colorToHex(inColor) : SvgAttr.Value.none));
      return this;
   }

   //---------------------------------------------------------------------------
   /**
    * Specifies a value for the opacity of this rectangle (both its fill and stroke).
    * @param inOpacity A numeric value between 0.0 (completely transparent) and 1.0 (completely opaque).
    * @return this object to allow for method chaining
    */
   public SvgRect setOpacity(float inOpacity)
   {
      rangeCheckOpacityValue(inOpacity);

      setAttribute(SvgAttr.opacity, inOpacity);
      return this;
   }

   //---------------------------------------------------------------------------
   /**
    * Specifies a value for the fill opacity of this rectangle.
    * @param inOpacity A numeric value between 0.0 (completely transparent) and 1.0 (completely opaque).
    * @return this object to allow for method chaining
    */
   public SvgRect setFillOpacity(float inOpacity)
   {
      rangeCheckOpacityValue(inOpacity);

      setAttribute(SvgAttr.fillOpacity, inOpacity);
      return this;
   }

   //---------------------------------------------------------------------------
   /**
    * Specifies a value for the stroke opacity of this rectangle.
    * @param inOpacity A numeric value between 0.0 (completely transparent) and 1.0 (completely opaque).
    * @return this object to allow for method chaining
    */
   public SvgRect setStrokeOpacity(float inOpacity)
   {
      rangeCheckOpacityValue(inOpacity);

      setAttribute(SvgAttr.strokeOpacity, inOpacity);
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setStroke(Color inColor)
   {
      setAttribute(SvgAttr.stroke, inColor != null ? "#" + ColorUtil.colorToHex(inColor) : SvgAttr.Value.none);
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setStrokeWidth(int inValue)
   {
      setAttribute(SvgAttr.strokeWidth, inValue);
      return this;
   }

   //--------------------------------------------------------------------------
   @Override
   public SvgRect addStyle(CharSequence inValue)
   {
      return (SvgRect) super.addStyle(inValue);
   }

   //---------------------------------------------------------------------------
   @Override
   public SvgRect setStyle(CharSequence inValue)
   {
      return (SvgRect) super.setStyle(inValue);
   }

   //---------------------------------------------------------------------------
   @Override
   public SvgRect setTransform(String inValue)
   {
      return (SvgRect) super.setTransform(inValue);
   }

   //---------------------------------------------------------------------------
   public SvgRect setOnMouseOver(String inValue)
   {
      setAttribute(SvgAttr.onmouseover, inValue);
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setOnMouseOut(String inValue)
   {
      setAttribute(SvgAttr.onmouseout, inValue);
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setOnMouseDown(String inValue)
   {
      setAttribute(SvgAttr.onmousedown, inValue);
      return this;
   }


   //---------------------------------------------------------------------------
   public SvgRect setPosition(Point2D inValue)
   {
      setAttribute(SvgAttr.x, (int) inValue.getX());
      setAttribute(SvgAttr.y, (int) inValue.getY());
      return this;
   }

   //---------------------------------------------------------------------------
   public Float getX()
   {
      String xAttr = getAttributeValue(SvgAttr.x);
      return (StringUtil.isSet(xAttr) ? Float.parseFloat(xAttr) : null);
   }

   //---------------------------------------------------------------------------
   public Float getY()
   {
      String yAttr = getAttributeValue(SvgAttr.y);
      return (StringUtil.isSet(yAttr) ? Float.parseFloat(yAttr) : null);
   }


   //---------------------------------------------------------------------------
   public SvgRect setRx(int inValue)
   {
      setAttribute(SvgAttr.rx, inValue);
      return this;
   }

   //---------------------------------------------------------------------------
   public Integer getRx()
   {
      String attr = getAttributeValue(SvgAttr.rx);
      return (StringUtil.isSet(attr) ? (int) Float.parseFloat(attr) : null);
   }


   //---------------------------------------------------------------------------
   public SvgRect setRy(int inValue)
   {
      setAttribute(SvgAttr.ry, inValue);
      return this;
   }

   //---------------------------------------------------------------------------
   public Integer getRy()
   {
      String attr = getAttributeValue(SvgAttr.ry);
      return (StringUtil.isSet(attr) ? (int) Float.parseFloat(attr) : null);
   }


   //---------------------------------------------------------------------------
   public SvgRect setWidth(int inValue)
   {
      setAttribute(SvgAttr.width, inValue);
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setWidth(float inValue)
   {
      setAttribute(SvgAttr.width, SVG.formatCoordinate(inValue));
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setWidth(double inValue)
   {
      setAttribute(SvgAttr.width, SVG.formatCoordinate(inValue));
      return this;
   }

   //---------------------------------------------------------------------------
   public Float getWidth()
   {
      String attr = getAttributeValue(SvgAttr.width);
      return (StringUtil.isSet(attr) ? Float.parseFloat(attr) : null);
   }


   //---------------------------------------------------------------------------
   public SvgRect setHeight(int inValue)
   {
      setAttribute(SvgAttr.height, inValue);
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setHeight(float inValue)
   {
      setAttribute(SvgAttr.height, SVG.formatCoordinate(inValue));
      return this;
   }

   //---------------------------------------------------------------------------
   public SvgRect setHeight(double inValue)
   {
      setAttribute(SvgAttr.height, SVG.formatCoordinate(inValue));
      return this;
   }

   //---------------------------------------------------------------------------
   public Float getHeight()
   {
      String attr = getAttributeValue(SvgAttr.height);
      return (StringUtil.isSet(attr) ? Float.parseFloat(attr) : null);
   }

   //---------------------------------------------------------------------------
   @Override
   public Rectangle2D getBoundsBox()
   {
      float minX = (getAttributeValue(SvgAttr.x) != null ? Float.parseFloat(getAttributeValue(SvgAttr.x)) : 0);
      float minY = (getAttributeValue(SvgAttr.y) != null ? Float.parseFloat(getAttributeValue(SvgAttr.y)) : 0);
      float maxX = minX + (getAttributeValue(SvgAttr.width) != null ? Float.parseFloat(getAttributeValue(SvgAttr.width)) : 0);
      float maxY = minY + (getAttributeValue(SvgAttr.height) != null ? Float.parseFloat(getAttributeValue(SvgAttr.height)) : 0);

      for (XMLizable node : getSubtags())
      {
         if (node instanceof SvgNode)
         {
            Rectangle2D rect = ((SvgNode)node).getBoundsBox();
            if (rect.getX() < minX) minX = (int) rect.getX();
            if (rect.getY() < minY) minY = (int) rect.getY();
            if (rect.getMaxX() > maxX) maxX = (int) rect.getMaxX();
            if (rect.getMaxY() > maxY) maxY = (int) rect.getMaxY();
         }
      }

      Rectangle2D boundsBox = new Rectangle2D.Float(minX, minY, maxX - minX, maxY - minY).getBounds();
      adjustBoundsForTransform(boundsBox);

      return boundsBox;
   }

   //--------------------------------------------------------------------------
   @Override
   public String toString()
   {
      return toXML();
   }

   //--------------------------------------------------------------------------
   @Override
   public void draw(Graphics2D g2, CSS inCSS)
   {
      // Save settings
      Graphics2DState origState = new Graphics2DState(g2);

      // Java2D uses int instead of float
      int x1 = getX().intValue();
      int y1 = getY().intValue();
      int width = getWidth().intValue();
      int height = getHeight().intValue();

      List cssDeclarations = getCSSDeclarations(inCSS);

      Stroke stroke = getG2Stroke(cssDeclarations);
      if (stroke != null) g2.setStroke(stroke);

      Composite composite = getG2Composite();
      if (composite != null)
      {
         g2.setComposite(composite);
      }

      applyTransforms(g2);

      // Fill the rect.
      Paint paint = getG2Paint(cssDeclarations);
      if (paint != null)
      {
         g2.setPaint(paint);
         g2.fillRect(x1, y1, width, height);
      }

      // Outline the rect.
      paint = getG2StrokeColor(cssDeclarations);
      if (paint != null)
      {
         g2.setPaint(paint);
         g2.drawRect(x1, y1, width, height);
      }

      // Restore settings
      origState.applyTo(g2);
   }

}




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