mirror of
https://github.com/octoleo/plantuml.git
synced 2024-05-31 07:30:48 +00:00
107 lines
3.5 KiB
Java
107 lines
3.5 KiB
Java
/*
|
|
* Copyright 2003-2004, Franz-Josef Elmer, All rights reserved
|
|
*
|
|
* 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 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 Lesser General Public License for more details
|
|
* (http://www.gnu.org/copyleft/lesser.html).
|
|
*
|
|
* 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
|
|
*/
|
|
package jcckit.graphic;
|
|
|
|
import java.util.Vector;
|
|
|
|
/**
|
|
* Container for {@link GraphicalElement GraphicalElements}.
|
|
*
|
|
* @author Franz-Josef Elmer
|
|
*/
|
|
public class GraphicalComposite implements GraphicalElement {
|
|
private final Vector _elements = new Vector();
|
|
private final ClippingShape _clippingShape;
|
|
|
|
/**
|
|
* Creates an instance with the specified clipping shape.
|
|
* @param clippingShape Clipping shape or <tt>null</tt> if no clipping.
|
|
*/
|
|
public GraphicalComposite(ClippingShape clippingShape) {
|
|
_clippingShape = clippingShape;
|
|
}
|
|
|
|
/**
|
|
* Returns the clipping shape.
|
|
* @return <tt>null</tt> if no clipping should be applied.
|
|
*/
|
|
public ClippingShape getClippingShape() {
|
|
return _clippingShape;
|
|
}
|
|
|
|
/**
|
|
* Adds the specified element at the end of the list of elements.
|
|
* @param element Element to be added. <tt>null</tt> is not allowed.
|
|
* @throws NullPointerException if <tt>element == null</tt>
|
|
*/
|
|
public void addElement(GraphicalElement element) {
|
|
if (element == null) {
|
|
throwNullPointerException();
|
|
} else {
|
|
_elements.addElement(element);
|
|
}
|
|
}
|
|
|
|
/** Remove all elements. */
|
|
public void removeAllElements() {
|
|
_elements.removeAllElements();
|
|
}
|
|
|
|
/**
|
|
* Replaces the specified element at the specified index of
|
|
* the list of elements.
|
|
* @param element New element. <tt>null</tt> is not allowed.
|
|
* @throws NullPointerException if <tt>element == null</tt>
|
|
*/
|
|
public void replaceElementAt(int index, GraphicalElement element) {
|
|
if (element == null) {
|
|
throwNullPointerException();
|
|
} else {
|
|
_elements.setElementAt(element, index);
|
|
}
|
|
}
|
|
|
|
private void throwNullPointerException() {
|
|
throw new NullPointerException(
|
|
"A null as an GraphicalElement is not allowed");
|
|
}
|
|
|
|
/**
|
|
* Renders all {@link GraphicalElement GraphicalElements} in the sequence
|
|
* they have been added.
|
|
* @param renderer Renderer which implements all renderer interfaces
|
|
* necessary to render the child elements.
|
|
* @throws IllegalArgumentException if <tt>renderer</tt> is not
|
|
* an instance of <tt>GraphicalCompositeRenderer</tt>.
|
|
*/
|
|
public void renderWith(Renderer renderer) {
|
|
if (renderer instanceof GraphicalCompositeRenderer) {
|
|
GraphicalCompositeRenderer r = (GraphicalCompositeRenderer) renderer;
|
|
r.startRendering(this);
|
|
for (int i = 0, n = _elements.size(); i < n; i++) {
|
|
((GraphicalElement) _elements.elementAt(i)).renderWith(r);
|
|
}
|
|
r.finishRendering(this);
|
|
} else {
|
|
throw new IllegalArgumentException(renderer
|
|
+ " does not implements GraphicalCompositeRenderer.");
|
|
}
|
|
}
|
|
}
|