128 lines
3.9 KiB
Java
128 lines
3.9 KiB
Java
/* ListView.java --
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing.text.html;
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import java.awt.Graphics;
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import java.awt.Rectangle;
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import java.awt.Shape;
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import javax.swing.text.Element;
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/**
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* A View to render HTML lists, like the <code><ul></code> and
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* <code><ol></code> tags.
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*
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* @author Roman Kennke (kennke@aicas.com)
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*/
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public class ListView
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extends BlockView
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{
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/**
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* The painter used to paint the list items.
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*/
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private StyleSheet.ListPainter painter;
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/**
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* Creates a new <code>ListView</code> for the specified element.
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*
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* @param el the element to create a list view for
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*/
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public ListView(Element el)
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{
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super(el, Y_AXIS);
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}
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/**
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* Returns the alignment of this view along the specified axis.
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*
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* This returns <code>0.5</code> unconditionally.
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*
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* @param axis the axis
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*
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* @return the alignment of this view along the specified axis
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*/
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public float getAlignment(int axis)
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{
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if (axis != X_AXIS && axis != Y_AXIS)
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throw new IllegalArgumentException("Illegal axis parameter: " + axis);
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return 0.5F;
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}
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/**
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* Paints the <code>ListView</code>.
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*
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* @param g the graphics context to use for painting
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* @param allocation the allocation given to this view
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*/
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public void paint(Graphics g, Shape allocation)
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{
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super.paint(g, allocation);
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}
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/**
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* Paints the child with the specified index into the specified allocation.
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*
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* This implementation forwards to the list painter fetched from the
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* {@link StyleSheet} and then calls
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* <code>super.paintChild(g, a, index)</code>.
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*
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* @param g the graphics context to use
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* @param a the allocation for the child
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* @param index the child index
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*/
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protected void paintChild(Graphics g, Rectangle a, int index)
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{
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painter.paint(g, a.x, a.y, a.width, a.height, this, index);
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super.paintChild(g, a, index);
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}
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/**
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* Fetches this view's properties from the style attributes of this view's
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* element.
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*
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* This forwards to super and then fetches a {@link StyleSheet.ListPainter}
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* from the stylesheet suitable for painting the list.
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*/
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protected void setPropertiesFromAttributes()
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{
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super.setPropertiesFromAttributes();
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painter = getStyleSheet().getListPainter(getAttributes());
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}
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}
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