You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
129 lines
3.0 KiB
129 lines
3.0 KiB
/*
|
|
* Copyright (c) 1998, 2004, Oracle and/or its affiliates. All rights reserved.
|
|
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*
|
|
*/
|
|
package javax.swing.text.html;
|
|
|
|
import java.awt.*;
|
|
import java.awt.event.*;
|
|
import java.io.*;
|
|
import java.net.MalformedURLException;
|
|
import java.net.URL;
|
|
import javax.swing.text.*;
|
|
import javax.swing.*;
|
|
import javax.swing.border.*;
|
|
import javax.swing.event.*;
|
|
import java.util.*;
|
|
|
|
/**
|
|
* EditableView sets the view it contains to be visible only when the
|
|
* JTextComponent the view is contained in is editable. The min/pref/max
|
|
* size is 0 when not visible.
|
|
*
|
|
* @author Scott Violet
|
|
*/
|
|
class EditableView extends ComponentView {
|
|
|
|
EditableView(Element e) {
|
|
super(e);
|
|
}
|
|
|
|
public float getMinimumSpan(int axis) {
|
|
if (isVisible) {
|
|
return super.getMinimumSpan(axis);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
public float getPreferredSpan(int axis) {
|
|
if (isVisible) {
|
|
return super.getPreferredSpan(axis);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
public float getMaximumSpan(int axis) {
|
|
if (isVisible) {
|
|
return super.getMaximumSpan(axis);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
public void paint(Graphics g, Shape allocation) {
|
|
Component c = getComponent();
|
|
Container host = getContainer();
|
|
|
|
if (host instanceof JTextComponent &&
|
|
isVisible != ((JTextComponent)host).isEditable()) {
|
|
isVisible = ((JTextComponent)host).isEditable();
|
|
preferenceChanged(null, true, true);
|
|
host.repaint();
|
|
}
|
|
/*
|
|
* Note: we cannot tweak the visible state of the
|
|
* component in createComponent() even though it
|
|
* gets called after the setParent() call where
|
|
* the value of the boolean is set. This
|
|
* because, the setComponentParent() in the
|
|
* superclass, always does a setVisible(false)
|
|
* after calling createComponent(). We therefore
|
|
* use this flag in the paint() method to
|
|
* setVisible() to true if required.
|
|
*/
|
|
if (isVisible) {
|
|
super.paint(g, allocation);
|
|
}
|
|
else {
|
|
setSize(0, 0);
|
|
}
|
|
if (c != null) {
|
|
c.setFocusable(isVisible);
|
|
}
|
|
}
|
|
|
|
public void setParent(View parent) {
|
|
if (parent != null) {
|
|
Container host = parent.getContainer();
|
|
if (host != null) {
|
|
if (host instanceof JTextComponent) {
|
|
isVisible = ((JTextComponent)host).isEditable();
|
|
} else {
|
|
isVisible = false;
|
|
}
|
|
}
|
|
}
|
|
super.setParent(parent);
|
|
}
|
|
|
|
/**
|
|
* @return true if the Component is visible.
|
|
*/
|
|
public boolean isVisible() {
|
|
return isVisible;
|
|
}
|
|
|
|
/** Set to true if the component is visible. This is based off the
|
|
* editability of the container. */
|
|
private boolean isVisible;
|
|
} // End of EditableView
|