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Diffstat (limited to 'libjava/classpath/javax/swing/text/html/ListView.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/html/ListView.java | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/text/html/ListView.java b/libjava/classpath/javax/swing/text/html/ListView.java new file mode 100644 index 00000000000..c07d3598c92 --- /dev/null +++ b/libjava/classpath/javax/swing/text/html/ListView.java @@ -0,0 +1,131 @@ +/* ListView.java -- + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath 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, or (at your option) +any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package javax.swing.text.html; + +import java.awt.Graphics; +import java.awt.Rectangle; +import java.awt.Shape; + +import javax.swing.text.Element; + +/** + * A View to render HTML lists, like the <code><ul></code> and + * <code><ol></code> tags. + * + * @author Roman Kennke (kennke@aicas.com) + */ +public class ListView + extends BlockView +{ + + /** + * The painter used to paint the list items. + */ + private StyleSheet.ListPainter painter; + + /** + * Creates a new <code>ListView</code> for the specified element. + * + * @param el the element to create a list view for + */ + public ListView(Element el) + { + super(el, Y_AXIS); + } + + /** + * Returns the alignment of this view along the specified axis. + * + * This returns <code>0.5</code> unconditionally. + * + * @param axis the axis + * + * @return the alignment of this view along the specified axis + */ + public float getAlignment(int axis) + { + if (axis != X_AXIS && axis != Y_AXIS) + throw new IllegalArgumentException("Illegal axis parameter: " + axis); + + return 0.5F; + } + + /** + * Paints the <code>ListView</code>. + * + * @param g the graphics context to use for painting + * @param allocation the allocation given to this view + */ + public void paint(Graphics g, Shape allocation) + { + super.paint(g, allocation); + // FIXME: Why is this overridden? I think that painting would be done + // by the superclass and the stylesheet... Maybe find out when this + // stuff is implemented properly. + } + + /** + * Paints the child with the specified index into the specified allocation. + * + * This implementation forwards to the list painter fetched from the + * {@link StyleSheet} and then calls + * <code>super.paintChild(g, a, index)</code>. + * + * @param g the graphics context to use + * @param a the allocation for the child + * @param index the child index + */ + protected void paintChild(Graphics g, Rectangle a, int index) + { + painter.paint(g, a.x, a.y, a.width, a.height, this, index); + super.paintChild(g, a, index); + } + + /** + * Fetches this view's properties from the style attributes of this view's + * element. + * + * This forwards to super and then fetches a {@link StyleSheet.ListPainter} + * from the stylesheet suitable for painting the list. + */ + protected void setPropertiesFromAttributes() + { + super.setPropertiesFromAttributes(); + painter = getStyleSheet().getListPainter(getAttributes()); + } +} |