0N/A/*
2362N/A * Copyright (c) 1998, 2004, 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.awt.*;
0N/Aimport java.awt.event.*;
0N/Aimport java.io.*;
0N/Aimport java.net.MalformedURLException;
0N/Aimport java.net.URL;
0N/Aimport javax.swing.text.*;
0N/Aimport javax.swing.*;
0N/Aimport javax.swing.border.*;
0N/Aimport javax.swing.event.*;
0N/Aimport java.util.*;
0N/A
0N/A/**
0N/A * EditableView sets the view it contains to be visible only when the
0N/A * JTextComponent the view is contained in is editable. The min/pref/max
0N/A * size is 0 when not visible.
0N/A *
0N/A * @author Scott Violet
0N/A */
0N/Aclass EditableView extends ComponentView {
0N/A
0N/A EditableView(Element e) {
0N/A super(e);
0N/A }
0N/A
0N/A public float getMinimumSpan(int axis) {
0N/A if (isVisible) {
0N/A return super.getMinimumSpan(axis);
0N/A }
0N/A return 0;
0N/A }
0N/A
0N/A public float getPreferredSpan(int axis) {
0N/A if (isVisible) {
0N/A return super.getPreferredSpan(axis);
0N/A }
0N/A return 0;
0N/A }
0N/A
0N/A public float getMaximumSpan(int axis) {
0N/A if (isVisible) {
0N/A return super.getMaximumSpan(axis);
0N/A }
0N/A return 0;
0N/A }
0N/A
0N/A public void paint(Graphics g, Shape allocation) {
0N/A Component c = getComponent();
0N/A Container host = getContainer();
0N/A
0N/A if (host != null &&
0N/A isVisible != ((JTextComponent)host).isEditable()) {
0N/A isVisible = ((JTextComponent)host).isEditable();
0N/A preferenceChanged(null, true, true);
0N/A host.repaint();
0N/A }
0N/A /*
0N/A * Note: we cannot tweak the visible state of the
0N/A * component in createComponent() even though it
0N/A * gets called after the setParent() call where
0N/A * the value of the boolean is set. This
0N/A * because, the setComponentParent() in the
0N/A * superclass, always does a setVisible(false)
0N/A * after calling createComponent(). We therefore
0N/A * use this flag in the paint() method to
0N/A * setVisible() to true if required.
0N/A */
0N/A if (isVisible) {
0N/A super.paint(g, allocation);
0N/A }
0N/A else {
0N/A setSize(0, 0);
0N/A }
0N/A if (c != null) {
0N/A c.setFocusable(isVisible);
0N/A }
0N/A }
0N/A
0N/A public void setParent(View parent) {
0N/A if (parent != null) {
0N/A Container host = parent.getContainer();
0N/A if (host != null) {
0N/A if (host instanceof JTextComponent) {
0N/A isVisible = ((JTextComponent)host).isEditable();
0N/A } else {
0N/A isVisible = false;
0N/A }
0N/A }
0N/A }
0N/A super.setParent(parent);
0N/A }
0N/A
0N/A /**
0N/A * @return true if the Component is visible.
0N/A */
0N/A public boolean isVisible() {
0N/A return isVisible;
0N/A }
0N/A
0N/A /** Set to true if the component is visible. This is based off the
0N/A * editability of the container. */
0N/A private boolean isVisible;
0N/A} // End of EditableView