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1   /**********************************************
2    * Copyright (C) 2010 Lukas Laag
3    * This file is part of lib-gwt-svg.
4    * 
5    * libgwtsvg is free software: you can redistribute it and/or modify
6    * it under the terms of the GNU Lesser General Public License as published by
7    * the Free Software Foundation, either version 3 of the License, or
8    * (at your option) any later version.
9    * 
10   * libgwtsvg is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13   * GNU Lesser General Public License for more details.
14   * 
15   * You should have received a copy of the GNU Lesser General Public License
16   * along with libgwtsvg.  If not, see http://www.gnu.org/licenses/
17   **********************************************/
18  /*
19   * Copyright (c) 2004 World Wide Web Consortium,
20   *
21   * (Massachusetts Institute of Technology, European Research Consortium for
22   * Informatics and Mathematics, Keio University). All Rights Reserved. This
23   * work is distributed under the W3C(r) Software License [1] in the hope that
24   * it will be useful, but WITHOUT ANY WARRANTY; without even the implied
25   * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
26   *
27   * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
28   */
29  
30  package org.vectomatic.dom.svg.impl;
31  
32  import org.vectomatic.dom.svg.OMSVGAnimatedBoolean;
33  import org.vectomatic.dom.svg.OMSVGAnimatedTransformList;
34  import org.vectomatic.dom.svg.OMSVGMatrix;
35  import org.vectomatic.dom.svg.OMSVGRect;
36  import org.vectomatic.dom.svg.OMSVGStringList;
37  
38  import com.google.gwt.core.client.JavaScriptException;
39  
40  /**
41   * The {@link org.vectomatic.dom.svg.impl.SVGSVGElement} interface corresponds
42   * to the <a href='http://www.w3.org/TR/SVG11/struct.html#GElement' title='g
43   * element specification'>g</a> element.
44   */
45  public class SVGGElement extends SVGElement {
46    protected SVGGElement() {
47    }
48  
49    // Implementation of the svg::SVGGElement W3C IDL interface
50  
51    // Implementation of the svg::SVGExternalResourcesRequired W3C IDL interface
52    /**
53     * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
54     * on the given element. Note that the SVG DOM defines the attribute {@link
55     * org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
56     * as being of type {@link org.vectomatic.dom.svg.OMSVGAnimatedBoolean}, whereas
57     * the SVG language definition says that {@link org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
58     * is not animated. Because the SVG language definition states that {@link
59     * org.vectomatic.dom.svg.itf.ISVGExternalResourcesRequired#getExternalResourcesRequired()}
60     * cannot be animated, the {@link org.vectomatic.dom.svg.OMSVGAnimatedBoolean#getAnimVal()}
61     * will always be the same as the {@link org.vectomatic.dom.svg.OMSVGAnimatedBoolean#getBaseVal()}.
62     */
63    public final native OMSVGAnimatedBoolean getExternalResourcesRequired() /*-{
64      return this.externalResourcesRequired;
65    }-*/;
66  
67    // Implementation of the svg::SVGLangSpace W3C IDL interface
68    /**
69     * Corresponds to attribute <code>xml:lang</code> on the given element.
70     */
71    public final native String getXmllang() /*-{
72      return this.xmllang;
73    }-*/;
74    /**
75     * Corresponds to attribute <code>xml:lang</code> on the given element.
76     * @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised on an   attempt
77     * to change the value of a <a href="svgdom.html#ReadOnlyNodes">read only
78     * attribute</a>.
79     */
80    public final native void setXmllang(String value) throws JavaScriptException /*-{
81      this.xmllang = value;
82    }-*/;
83    /**
84     * Corresponds to attribute <code>xml:space</code> on the given element.
85     */
86    public final native String getXmlspace() /*-{
87      return this.xmlspace;
88    }-*/;
89    /**
90     * Corresponds to attribute <code>xml:space</code> on the given element.
91     * @throws DOMException(NO_MODIFICATION_ALLOWED_ERR) Raised on an   attempt
92     * to change the value of a <a href="svgdom.html#ReadOnlyNodes">read only
93     * attribute</a>.
94     */
95    public final native void setXmlspace(String value) throws JavaScriptException /*-{
96      this.xmlspace = value;
97    }-*/;
98  
99    // Implementation of the svg::SVGLocatable W3C IDL interface
100   /**
101    * The element which established the current viewport. Often, the nearest
102    * ancestor <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement' title='svg
103    * element specification'>svg</a> element. Null if the current element is
104    * the outermost <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement'
105    * title='svg element specification'>svg</a> element.
106    */
107   public final native SVGElement getNearestViewportElement() /*-{
108     return this.nearestViewportElement;
109   }-*/;
110   /**
111    * The farthest ancestor <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement'
112    * title='svg element specification'>svg</a> element. Null if the current
113    * element is the outermost <a href='http://www.w3.org/TR/SVG11/struct.html#SVGElement'
114    * title='svg element specification'>svg</a> element.
115    */
116   public final native SVGElement getFarthestViewportElement() /*-{
117     return this.farthestViewportElement;
118   }-*/;
119   /**
120    * Returns the tight bounding box in current user space (i.e., after application
121    * of the <code>transform</code> attribute, if any) on the geometry of all
122    * contained graphics elements, exclusive of stroking, clipping, masking and
123    * filter effects). Note that getBBox must return the actual bounding box
124    * at the time the method was called, even in case the element has not yet
125    * been rendered.
126    * @return An {@link org.vectomatic.dom.svg.OMSVGRect} object that defines
127    * the bounding box.
128    */
129   public final native OMSVGRect getBBox() /*-{
130     return this.getBBox();
131   }-*/;
132   /**
133    * Returns the transformation matrix from current user units (i.e., after
134    * application of the <code>transform</code> attribute, if any) to the viewport
135    * coordinate system for the {@link org.vectomatic.dom.svg.itf.ISVGLocatable#getNearestViewportElement()}.
136    * @return An {@link org.vectomatic.dom.svg.OMSVGMatrix} object that defines
137    * the CTM.
138    */
139   public final native OMSVGMatrix getCTM() /*-{
140     return this.getCTM();
141   }-*/;
142   /**
143    * Returns the transformation matrix from current user units (i.e., after
144    * application of the <code>transform</code> attribute, if any) to the parent
145    * user agent's notice of a "pixel". For display devices, ideally this represents
146    * a physical screen pixel. For other devices or environments where physical
147    * pixel sizes are not known, then an algorithm similar to the CSS2 definition
148    * of a "pixel" can be used instead.  Note that null is returned if this element
149    * is not hooked into the document tree. This method would have been more
150    * aptly named as <code>getClientCTM</code>, but the name <code>getScreenCTM</code>
151    * is kept for historical reasons.
152    * @return An {@link org.vectomatic.dom.svg.OMSVGMatrix} object that defines
153    * the given   transformation matrix.
154    */
155   public final native OMSVGMatrix getScreenCTM() /*-{
156     return this.getScreenCTM();
157   }-*/;
158   /**
159    * Returns the transformation matrix from the user coordinate system on the
160    * current element (after application of the <code>transform</code> attribute,
161    * if any) to the user coordinate system on parameter <var>element</var> (after
162    * application of its <code>transform</code> attribute, if any).
163    * @param element The target element.
164    * @return An {@link org.vectomatic.dom.svg.OMSVGMatrix} object that defines
165    * the transformation.
166    * @throws SVGException(SVG_MATRIX_NOT_INVERTABLE) Raised if the currently
167    * defined transformation matrices make it impossible to compute the   given
168    * matrix (e.g., because one of the transformations is singular).
169    */
170   public final native OMSVGMatrix getTransformToElement(SVGElement element) throws JavaScriptException /*-{
171     return this.getTransformToElement(element);
172   }-*/;
173 
174   // Implementation of the svg::SVGTests W3C IDL interface
175   /**
176    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTests#getRequiredFeatures()}
177    * on the given element.
178    */
179   public final native OMSVGStringList getRequiredFeatures() /*-{
180     return @org.vectomatic.dom.svg.OMNode::convertList(Lcom/google/gwt/core/client/JavaScriptObject;)(this.requiredFeatures);
181   }-*/;
182   /**
183    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTests#getRequiredExtensions()}
184    * on the given element.
185    */
186   public final native OMSVGStringList getRequiredExtensions() /*-{
187     return @org.vectomatic.dom.svg.OMNode::convertList(Lcom/google/gwt/core/client/JavaScriptObject;)(this.requiredExtensions);
188   }-*/;
189   /**
190    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTests#getSystemLanguage()}
191    * on the given element.
192    */
193   public final native OMSVGStringList getSystemLanguage() /*-{
194     return @org.vectomatic.dom.svg.OMNode::convertList(Lcom/google/gwt/core/client/JavaScriptObject;)(this.systemLanguage);
195   }-*/;
196   /**
197    * Returns true if the user agent supports the given extension, specified
198    * by a URI.
199    * @param extension The name of the extension, expressed as a URI.
200    * @return True or false, depending on whether the given extension is   supported.
201    */
202   public final native boolean hasExtension(String extension) /*-{
203     return this.hasExtension(extension);
204   }-*/;
205 
206   // Implementation of the svg::SVGTransformable W3C IDL interface
207   /**
208    * Corresponds to attribute {@link org.vectomatic.dom.svg.itf.ISVGTransformable#getTransform()}
209    * on the given element.
210    */
211   public final native OMSVGAnimatedTransformList getTransform() /*-{
212     return this.transform;
213   }-*/;
214 
215 }