/**********************************************
    * Copyright (C) 2010-2011 Lukas Laag
    * This file is part of lib-gwt-svg.
    * 
    * libgwtsvg 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 3 of the License, or
    * (at your option) any later version.
    * 
   * libgwtsvg 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 libgwtsvg.  If not, see http://www.gnu.org/licenses/
   **********************************************/
  /*
   * Copyright (c) 2004 World Wide Web Consortium,
   *
   * (Massachusetts Institute of Technology, European Research Consortium for
   * Informatics and Mathematics, Keio University). All Rights Reserved. This
   * work is distributed under the W3C(r) Software License [1] 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.
   *
   * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
   */
  
  package org.vectomatic.dom.svg;
  
  import org.vectomatic.dom.svg.events.ActivateEvent;
  import org.vectomatic.dom.svg.events.ActivateHandler;
  import org.vectomatic.dom.svg.events.FocusInEvent;
  import org.vectomatic.dom.svg.events.FocusInHandler;
  import org.vectomatic.dom.svg.events.FocusOutEvent;
  import org.vectomatic.dom.svg.events.FocusOutHandler;
  import org.vectomatic.dom.svg.events.HasGraphicalHandlers;
  import org.vectomatic.dom.svg.impl.SVGCircleElement;
  import org.vectomatic.dom.svg.impl.SVGElement;
  import org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired;
  import org.vectomatic.dom.svg.itf.ISVGGraphicsElement;
  import org.vectomatic.dom.svg.itf.ISVGLangSpace;
  import org.vectomatic.dom.svg.itf.ISVGStylable;
  import org.vectomatic.dom.svg.itf.ISVGTests;
  import org.vectomatic.dom.svg.itf.ISVGTransformable;
  import org.vectomatic.dom.svg.utils.DOMHelper;
  import org.vectomatic.dom.svg.utils.SVGConstants;
  
  import com.google.gwt.core.client.JavaScriptException;
  import com.google.gwt.dom.client.TagName;
  import com.google.gwt.event.dom.client.ClickEvent;
  import com.google.gwt.event.dom.client.ClickHandler;
  import com.google.gwt.event.dom.client.DragEndEvent;
  import com.google.gwt.event.dom.client.DragEndHandler;
  import com.google.gwt.event.dom.client.DragEnterEvent;
  import com.google.gwt.event.dom.client.DragEnterHandler;
  import com.google.gwt.event.dom.client.DragEvent;
  import com.google.gwt.event.dom.client.DragHandler;
  import com.google.gwt.event.dom.client.DragLeaveEvent;
  import com.google.gwt.event.dom.client.DragLeaveHandler;
  import com.google.gwt.event.dom.client.DragOverEvent;
  import com.google.gwt.event.dom.client.DragOverHandler;
  import com.google.gwt.event.dom.client.DragStartEvent;
  import com.google.gwt.event.dom.client.DragStartHandler;
  import com.google.gwt.event.dom.client.DropEvent;
  import com.google.gwt.event.dom.client.DropHandler;
  import com.google.gwt.event.dom.client.LoadEvent;
  import com.google.gwt.event.dom.client.LoadHandler;
  import com.google.gwt.event.dom.client.MouseDownEvent;
  import com.google.gwt.event.dom.client.MouseDownHandler;
  import com.google.gwt.event.dom.client.MouseMoveEvent;
  import com.google.gwt.event.dom.client.MouseMoveHandler;
  import com.google.gwt.event.dom.client.MouseOutEvent;
  import com.google.gwt.event.dom.client.MouseOutHandler;
  import com.google.gwt.event.dom.client.MouseOverEvent;
  import com.google.gwt.event.dom.client.MouseOverHandler;
  import com.google.gwt.event.dom.client.MouseUpEvent;
  import com.google.gwt.event.dom.client.MouseUpHandler;
  import com.google.gwt.event.dom.client.TouchCancelEvent;
  import com.google.gwt.event.dom.client.TouchCancelHandler;
  import com.google.gwt.event.dom.client.TouchEndEvent;
  import com.google.gwt.event.dom.client.TouchEndHandler;
  import com.google.gwt.event.dom.client.TouchMoveEvent;
  import com.google.gwt.event.dom.client.TouchMoveHandler;
  import com.google.gwt.event.dom.client.TouchStartEvent;
  import com.google.gwt.event.dom.client.TouchStartHandler;
  import com.google.gwt.event.shared.HandlerRegistration;
  
  /**
   * The {@link org.vectomatic.dom.svg.OMSVGCircleElement} interface corresponds
   * to the <a href='http://www.w3.org/TR/SVG11/shapes.html#CircleElement' title='circle
   * element specification'>circle</a> element.
   */
  @TagName("circle")
  public class OMSVGCircleElement extends OMSVGElement implements HasGraphicalHandlers, ISVGTests, ISVGLangSpace, ISVGExternalResourcesRequired, ISVGStylable, ISVGTransformable, ISVGGraphicsElement {
    public OMSVGCircleElement() {
      this((SVGCircleElement)DOMHelper.createElementNS(DOMHelper.getCurrentDocument(), SVGConstants.SVG_NAMESPACE_URI, SVGConstants.SVG_CIRCLE_TAG).cast());
    }
 
   protected OMSVGCircleElement(SVGCircleElement ot) {
     super(ot);
   }
 
   // Implementation of the svg::SVGCircleElement W3C IDL interface
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.OMSVGCircleElement#getCx()}
    * on the given <a href='http://www.w3.org/TR/SVG11/shapes.html#CircleElement'
    * title='circle element specification'>circle</a> element.
    */
   public final OMSVGAnimatedLength getCx() {
     return ((SVGCircleElement)ot).getCx();
   }
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.OMSVGCircleElement#getCy()}
    * on the given <a href='http://www.w3.org/TR/SVG11/shapes.html#CircleElement'
    * title='circle element specification'>circle</a> element.
    */
   public final OMSVGAnimatedLength getCy() {
     return ((SVGCircleElement)ot).getCy();
   }
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.OMSVGCircleElement#getR()}
    * on the given <a href='http://www.w3.org/TR/SVG11/shapes.html#CircleElement'
    * title='circle element specification'>circle</a> element.
    */
   public final OMSVGAnimatedLength getR() {
     return ((SVGCircleElement)ot).getR();
   }
 
   // Implementation of the svg::SVGExternalResourcesRequired W3C IDL interface
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
    * on the given element. Note that the SVG DOM defines the attribute {@link
    * org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
    * as being of type {@link org.vectomatic.dom.svg.OMSVGAnimatedBoolean}, whereas
    * the SVG language definition says that {@link org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
    * is not animated. Because the SVG language definition states that {@link
    * org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
    * cannot be animated, the {@link org.vectomatic.dom.svg.OMSVGAnimatedBoolean#getAnimVal()}
    * will always be the same as the {@link org.vectomatic.dom.svg.OMSVGAnimatedBoolean#getBaseVal()}.
    */
   public final OMSVGAnimatedBoolean getExternalResourcesRequired() {
     return ((SVGCircleElement)ot).getExternalResourcesRequired();
   }
 
   // Implementation of the svg::SVGLangSpace W3C IDL interface
   /**
    * Corresponds to attribute <code>xml:lang</code> on the given element.
    */
   public final String getXmllang() {
     return ((SVGCircleElement)ot).getXmllang();
   }
   /**
    * Corresponds to attribute <code>xml:lang</code> on the given element.
    * @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised on an   attempt
    * to change the value of a <a href="svgdom.html#ReadOnlyNodes">read only
    * attribute</a>.
    */
   public final void setXmllang(java.lang.String value) throws JavaScriptException {
     ((SVGCircleElement)ot).setXmllang(value);
   }
   /**
    * Corresponds to attribute <code>xml:space</code> on the given element.
    */
   public final String getXmlspace() {
     return ((SVGCircleElement)ot).getXmlspace();
   }
   /**
    * Corresponds to attribute <code>xml:space</code> on the given element.
    * @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised on an   attempt
    * to change the value of a <a href="svgdom.html#ReadOnlyNodes">read only
    * attribute</a>.
    */
   public final void setXmlspace(java.lang.String value) throws JavaScriptException {
     ((SVGCircleElement)ot).setXmlspace(value);
   }
 
   // Implementation of the svg::SVGLocatable W3C IDL interface
   /**
    * The element which established the current viewport. Often, the nearest
    * ancestor <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement' title='svg
    * element specification'>svg</a> element. Null if the current element is
    * the outermost <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement'
    * title='svg element specification'>svg</a> element.
    */
   public final OMSVGElement getNearestViewportElement() {
     SVGElement elt = ((SVGCircleElement)ot).getNearestViewportElement();
     return elt != null ? (OMSVGElement)convert(elt) : null;
   }
   /**
    * The farthest ancestor <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement'
    * title='svg element specification'>svg</a> element. Null if the current
    * element is the outermost <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement'
    * title='svg element specification'>svg</a> element.
    */
   public final OMSVGElement getFarthestViewportElement() {
     SVGElement elt = ((SVGCircleElement)ot).getFarthestViewportElement();
     return elt != null ? (OMSVGElement)convert(elt) : null;
   }
   /**
    * Returns the tight bounding box in current user space (i.e., after application
    * of the <code>transform</code> attribute, if any) on the geometry of all
    * contained graphics elements, exclusive of stroking, clipping, masking and
    * filter effects). Note that getBBox must return the actual bounding box
    * at the time the method was called, even in case the element has not yet
    * been rendered.
    * @return An {@link org.vectomatic.dom.svg.OMSVGRect} object that defines
    * the bounding box.
    */
   public final OMSVGRect getBBox() {
     return ((SVGCircleElement)ot).getBBox();
   }
   /**
    * Returns the transformation matrix from current user units (i.e., after
    * application of the <code>transform</code> attribute, if any) to the viewport
    * coordinate system for the {@link org.vectomatic.dom.svg.itf.ISVGLocatable#getNearestViewportElement()}.
    * @return An {@link org.vectomatic.dom.svg.OMSVGMatrix} object that defines
    * the CTM.
    */
   public final OMSVGMatrix getCTM() {
     return ((SVGCircleElement)ot).getCTM();
   }
   /**
    * Returns the transformation matrix from current user units (i.e., after
    * application of the <code>transform</code> attribute, if any) to the parent
    * user agent's notice of a "pixel". For display devices, ideally this represents
    * a physical screen pixel. For other devices or environments where physical
    * pixel sizes are not known, then an algorithm similar to the CSS2 definition
    * of a "pixel" can be used instead.  Note that null is returned if this element
    * is not hooked into the document tree. This method would have been more
    * aptly named as <code>getClientCTM</code>, but the name <code>getScreenCTM</code>
    * is kept for historical reasons.
    * @return An {@link org.vectomatic.dom.svg.OMSVGMatrix} object that defines
    * the given   transformation matrix.
    */
   public final OMSVGMatrix getScreenCTM() {
     return ((SVGCircleElement)ot).getScreenCTM();
   }
   /**
    * Returns the transformation matrix from the user coordinate system on the
    * current element (after application of the <code>transform</code> attribute,
    * if any) to the user coordinate system on parameter <var>element</var> (after
    * application of its <code>transform</code> attribute, if any).
    * @param element The target element.
    * @return An {@link org.vectomatic.dom.svg.OMSVGMatrix} object that defines
    * the transformation.
    * @throws SVGException(SVG_MATRIX_NOT_INVERTABLE) Raised if the currently
    * defined transformation matrices make it impossible to compute the   given
    * matrix (e.g., because one of the transformations is singular).
    */
   public final OMSVGMatrix getTransformToElement(OMSVGElement element) throws JavaScriptException {
     return ((SVGCircleElement)ot).getTransformToElement(((SVGElement)element.ot));
   }
 
   // Implementation of the svg::SVGTests W3C IDL interface
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTests#getRequiredFeatures()}
    * on the given element.
    */
   public final OMSVGStringList getRequiredFeatures() {
     return ((SVGCircleElement)ot).getRequiredFeatures();
   }
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTests#getRequiredExtensions()}
    * on the given element.
    */
   public final OMSVGStringList getRequiredExtensions() {
     return ((SVGCircleElement)ot).getRequiredExtensions();
   }
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTests#getSystemLanguage()}
    * on the given element.
    */
   public final OMSVGStringList getSystemLanguage() {
     return ((SVGCircleElement)ot).getSystemLanguage();
   }
   /**
    * Returns true if the user agent supports the given extension, specified
    * by a URI.
    * @param extension The name of the extension, expressed as a URI.
    * @return True or false, depending on whether the given extension is   supported.
    */
   public final boolean hasExtension(String extension) {
     return ((SVGCircleElement)ot).hasExtension(extension);
   }
 
   // Implementation of the svg::SVGTransformable W3C IDL interface
   /**
    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTransformable#getTransform()}
    * on the given element.
    */
   public final OMSVGAnimatedTransformList getTransform() {
     return ((SVGCircleElement)ot).getTransform();
   }
 
   @Override
   public final HandlerRegistration addClickHandler(ClickHandler handler) {
     return addDomHandler(handler, ClickEvent.getType());
   }
   @Override
   public final HandlerRegistration addDragEndHandler(DragEndHandler handler) {
     return addDomHandler(handler, DragEndEvent.getType());
   }
   @Override
   public final HandlerRegistration addDragEnterHandler(DragEnterHandler handler) {
     return addDomHandler(handler, DragEnterEvent.getType());
   }
   @Override
   public final HandlerRegistration addDragHandler(DragHandler handler) {
     return addDomHandler(handler, DragEvent.getType());
   }
   @Override
   public final HandlerRegistration addDragLeaveHandler(DragLeaveHandler handler) {
     return addDomHandler(handler, DragLeaveEvent.getType());
   }
   @Override
   public final HandlerRegistration addDragOverHandler(DragOverHandler handler) {
     return addDomHandler(handler, DragOverEvent.getType());
   }
   @Override
   public final HandlerRegistration addDragStartHandler(DragStartHandler handler) {
     return addDomHandler(handler, DragStartEvent.getType());
   }
   @Override
   public final HandlerRegistration addDropHandler(DropHandler handler) {
     return addDomHandler(handler, DropEvent.getType());
   }
   @Override
   public final HandlerRegistration addLoadHandler(LoadHandler handler) {
     return addDomHandler(handler, LoadEvent.getType());
   }
   @Override
   public final HandlerRegistration addMouseDownHandler(MouseDownHandler handler) {
     return addDomHandler(handler, MouseDownEvent.getType());
   }
   @Override
   public final HandlerRegistration addMouseMoveHandler(MouseMoveHandler handler) {
     return addDomHandler(handler, MouseMoveEvent.getType());
   }
   @Override
   public final HandlerRegistration addMouseOutHandler(MouseOutHandler handler) {
     return addDomHandler(handler, MouseOutEvent.getType());
   }
   @Override
   public final HandlerRegistration addMouseOverHandler(MouseOverHandler handler) {
     return addDomHandler(handler, MouseOverEvent.getType());
   }
   @Override
   public final HandlerRegistration addMouseUpHandler(MouseUpHandler handler) {
     return addDomHandler(handler, MouseUpEvent.getType());
   }
   @Override
   public final HandlerRegistration addTouchCancelHandler(TouchCancelHandler handler) {
     return addDomHandler(handler, TouchCancelEvent.getType());
   }
   @Override
   public final HandlerRegistration addTouchEndHandler(TouchEndHandler handler) {
     return addDomHandler(handler, TouchEndEvent.getType());
   }
   @Override
   public final HandlerRegistration addTouchMoveHandler(TouchMoveHandler handler) {
     return addDomHandler(handler, TouchMoveEvent.getType());
   }
   @Override
   public final HandlerRegistration addTouchStartHandler(TouchStartHandler handler) {
     return addDomHandler(handler, TouchStartEvent.getType());
   }
   @Override
   public final HandlerRegistration addActivateHandler(ActivateHandler handler) {
     return addDomHandler(handler, ActivateEvent.getType());
   }
   @Override
   public final HandlerRegistration addFocusInHandler(FocusInHandler handler) {
     return addDomHandler(handler, FocusInEvent.getType());
   }
   @Override
   public final HandlerRegistration addFocusOutHandler(FocusOutHandler handler) {
     return addDomHandler(handler, FocusOutEvent.getType());
   }
   // Helper methods
   /**
    * Constructor.
    * @param cx the X coordinate of the circle center
    * @param cy the Y coordinate of the circle center
    * @param r the circle radius
    */
   public OMSVGCircleElement(float cx, float cy, float r) {
     this();
 	getCx().getBaseVal().setValue(cx);
 	getCy().getBaseVal().setValue(cy);
 	getR().getBaseVal().setValue(r);
   }
 }