0N/A/*
2362N/A * Copyright (c) 1997, 1999, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/Apackage javax.swing.text.html;
0N/A
0N/Aimport java.util.Enumeration;
0N/Aimport java.awt.*;
0N/Aimport javax.swing.text.*;
0N/A
0N/A/**
0N/A * A view implementation to display an html list
0N/A *
0N/A * @author Timothy Prinzing
0N/A */
0N/Apublic class ListView extends BlockView {
0N/A
0N/A /**
0N/A * Creates a new view that represents a list element.
0N/A *
0N/A * @param elem the element to create a view for
0N/A */
0N/A public ListView(Element elem) {
0N/A super(elem, View.Y_AXIS);
0N/A }
0N/A
0N/A /**
0N/A * Calculates the desired shape of the list.
0N/A *
0N/A * @return the desired span
0N/A * @see View#getPreferredSpan
0N/A */
0N/A public float getAlignment(int axis) {
0N/A switch (axis) {
0N/A case View.X_AXIS:
0N/A return 0.5f;
0N/A case View.Y_AXIS:
0N/A return 0.5f;
0N/A default:
0N/A throw new IllegalArgumentException("Invalid axis: " + axis);
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Renders using the given rendering surface and area on that
0N/A * surface.
0N/A *
0N/A * @param g the rendering surface to use
0N/A * @param allocation the allocated region to render into
0N/A * @see View#paint
0N/A */
0N/A public void paint(Graphics g, Shape allocation) {
0N/A super.paint(g, allocation);
0N/A Rectangle alloc = allocation.getBounds();
0N/A Rectangle clip = g.getClipBounds();
0N/A // Since listPainter paints in the insets we have to check for the
0N/A // case where the child is not painted because the paint region is
0N/A // to the left of the child. This assumes the ListPainter paints in
0N/A // the left margin.
0N/A if ((clip.x + clip.width) < (alloc.x + getLeftInset())) {
0N/A Rectangle childRect = alloc;
0N/A alloc = getInsideAllocation(allocation);
0N/A int n = getViewCount();
0N/A int endY = clip.y + clip.height;
0N/A for (int i = 0; i < n; i++) {
0N/A childRect.setBounds(alloc);
0N/A childAllocation(i, childRect);
0N/A if (childRect.y < endY) {
0N/A if ((childRect.y + childRect.height) >= clip.y) {
0N/A listPainter.paint(g, childRect.x, childRect.y,
0N/A childRect.width, childRect.height,
0N/A this, i);
0N/A }
0N/A }
0N/A else {
0N/A break;
0N/A }
0N/A }
0N/A }
0N/A }
0N/A
0N/A /**
0N/A * Paints one of the children; called by paint(). By default
0N/A * that is all it does, but a subclass can use this to paint
0N/A * things relative to the child.
0N/A *
0N/A * @param g the graphics context
0N/A * @param alloc the allocated region to render the child into
0N/A * @param index the index of the child
0N/A */
0N/A protected void paintChild(Graphics g, Rectangle alloc, int index) {
0N/A listPainter.paint(g, alloc.x, alloc.y, alloc.width, alloc.height, this, index);
0N/A super.paintChild(g, alloc, index);
0N/A }
0N/A
0N/A protected void setPropertiesFromAttributes() {
0N/A super.setPropertiesFromAttributes();
0N/A listPainter = getStyleSheet().getListPainter(getAttributes());
0N/A }
0N/A
0N/A private StyleSheet.ListPainter listPainter;
0N/A}