Java example source code file (FrameStateTest.java)
The FrameStateTest.java Java example source code/*
* Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
test
@bug 4157271
@summary Checks that when a Frame is created it honors the state it
was set to. The bug was that if setState(Frame.ICONIFIED) was
called before setVisible(true) the Frame would be shown in NORMAL
state instead of ICONIFIED.
@author JTG East Team: area=awt.Frame
@run applet/manual=yesno FrameStateTest.html
*/
/**
* FrameStateTest.java
*
* summary: Checks that when setState(Frame.ICONIFIED) is called before
* setVisible(true) the Frame is shown in the proper iconified state.
* The problem was that it did not honor the initial iconic state, but
* instead was shown in the NORMAL state.
*/
import java.awt.event.*;
import java.awt.*;
import java.lang.*;
import java.applet.Applet;
public class FrameStateTest extends Applet implements ActionListener, ItemListener{
Button btnCreate = new Button("Create Frame");
Button btnDispose = new Button("Dispose Frame");
CheckboxGroup cbgState = new CheckboxGroup();
CheckboxGroup cbgResize = new CheckboxGroup();
Checkbox cbIconState = new Checkbox("Frame state ICONIFIED",cbgState,false);
Checkbox cbNormState = new Checkbox("Frame state NORMAL",cbgState,true);
Checkbox cbNonResize = new Checkbox("Frame Nonresizable",cbgResize,false);
Checkbox cbResize = new Checkbox("Frame Resizable",cbgResize,true);
int iState = 0;
boolean bResize = true;
CreateFrame icontst;
public void init() {
this.setLayout (new BorderLayout ());
String[] instructions =
{
"Steps to try to reproduce this problem:",
"When this test is run an Applet Viewer window will display. In the",
"Applet Viewer window select the different options for the Frame (i.e.",
"{Normal, Non-resizalbe}, {Normal, Resizable}, {Iconified, Resizable},",
"{Iconified, Non-resizalbe}). After chosing the Frame's state click the",
"Create Frame button. After the Frame (Frame State Test (Window2)) comes",
"up make sure the proper behavior occurred (Frame shown in proper state).",
"Click the Dispose button to close the Frame. Do the above steps for all",
"the different Frame state combinations available. If you observe the",
"proper behavior the test has passed, Press the Pass button. Otherwise",
"the test has failed, Press the Fail button.",
"Note: In Frame State Test (Window2) you can also chose the different",
"buttons to see different Frame behavior. An example of a problem that",
"has been seen, With the Frame nonresizable you can not iconify the Frame."
};
Sysout.createDialogWithInstructions( instructions );
btnDispose.setEnabled(false);
add(btnCreate, BorderLayout.NORTH);
add(btnDispose, BorderLayout.SOUTH);
Panel p = new Panel(new GridLayout(0,1));
p.add(cbIconState);
p.add(cbResize);
add(p, BorderLayout.WEST);
p = new Panel(new GridLayout(0,1));
p.add(cbNormState);
p.add(cbNonResize);
add(p, BorderLayout.EAST);
// Add Listeners
btnDispose.addActionListener(this);
btnCreate.addActionListener(this);
cbNormState.addItemListener(this);
cbResize.addItemListener(this);
cbIconState.addItemListener(this);
cbNonResize.addItemListener(this);
resize(600, 200);
}//End init()
public void actionPerformed(ActionEvent evt) {
if (evt.getSource() == btnCreate) {
btnCreate.setEnabled(false);
btnDispose.setEnabled(true);
icontst = new CreateFrame(iState, bResize);
icontst.show();
} else if (evt.getSource() == btnDispose) {
btnCreate.setEnabled(true);
btnDispose.setEnabled(false);
icontst.dispose();
}
}
public void itemStateChanged(ItemEvent evt) {
if (cbNormState.getState()) iState = 0;
if (cbIconState.getState()) iState = 1;
if (cbResize.getState()) bResize = true;
if (cbNonResize.getState()) bResize = false;
}
}// class FrameStateTest
class CreateFrame extends Frame implements ActionListener , WindowListener {
static int e=0;
static int u=0;
static int p=0;
static int i=0;
static int v=0;
Button b1, b2, b3, b4, b5, b6, b7;
boolean resizable = true;
boolean iconic = false;
String name = "Frame State Test";
CreateFrame (int iFrameState, boolean bFrameResizable) {
setTitle("Frame State Test (Window 2)");
if (iFrameState == 1) {
iconic = true;
}
if (!(bFrameResizable)) {
resizable = false;
}
System.out.println("CREATING FRAME - Initially "+
((iconic) ? "ICONIFIED" : "NORMAL (NON-ICONIFIED)") + " and " +
((resizable) ? "RESIZABLE" : "NON-RESIZABLE") );
Sysout.println("CREATING FRAME - Initially "+
((iconic) ? "ICONIFIED" : "NORMAL (NON-ICONIFIED)") + " and " +
((resizable) ? "RESIZABLE" : "NON-RESIZABLE") );
setLayout(new FlowLayout() );
b1 = new Button("resizable");
add(b1);
b2 = new Button("resize");
add(b2);
b3 = new Button("iconify");
add(b3);
b4 = new Button("iconify and restore");
add(b4);
b5 = new Button("hide and show");
add(b5);
b6 = new Button("hide, iconify and show");
add(b6);
b7 = new Button("hide, iconify, show, and restore");
add(b7);
b1.addActionListener(this);
b2.addActionListener(this);
b3.addActionListener(this);
b4.addActionListener(this);
b5.addActionListener(this);
b6.addActionListener(this);
b7.addActionListener(this);
addWindowListener(this);
setBounds(100,2,200, 200);
setState(iconic ? Frame.ICONIFIED: Frame.NORMAL);
setResizable(resizable);
pack();
setVisible(true);
}
public void actionPerformed ( ActionEvent e )
{
if ( e.getSource() == b2 ) {
Rectangle r = this.getBounds();
r.width += 10;
System.out.println(" - button pressed - setting bounds on Frame to: "+r);
setBounds(r);
validate();
} else if ( e.getSource() == b1 ) {
resizable = !resizable;
System.out.println(" - button pressed - setting Resizable to: "+resizable);
((Frame)(b1.getParent())).setResizable(resizable);
} else if ( e.getSource() == b3 ) {
System.out.println(" - button pressed - setting Iconic: ");
dolog();
((Frame)(b1.getParent())).setState(Frame.ICONIFIED);
dolog();
} else if ( e.getSource() == b4 ) {
System.out.println(" - button pressed - setting Iconic: ");
dolog();
((Frame)(b1.getParent())).setState(Frame.ICONIFIED);
dolog();
try {
Thread.sleep(1000);
} catch (Exception ex) {};
System.out.println(" - now restoring: ");
((Frame)(b1.getParent())).setState(Frame.NORMAL);
dolog();
} else if ( e.getSource() == b5 ) {
System.out.println(" - button pressed - hiding : ");
dolog();
((Frame)(b1.getParent())).setVisible(false);
dolog();
try {
Thread.sleep(1000);
} catch (Exception ex) {};
System.out.println(" - now reshowing: ");
((Frame)(b1.getParent())).setVisible(true);
dolog();
} else if ( e.getSource() == b6 ) {
System.out.println(" - button pressed - hiding : ");
dolog();
((Frame)(b1.getParent())).setVisible(false);
dolog();
try {
Thread.sleep(1000);
} catch (Exception ex) {};
System.out.println(" - setting Iconic: ");
dolog();
((Frame)(b1.getParent())).setState(Frame.ICONIFIED);
try {
Thread.sleep(1000);
} catch (Exception ex) {};
System.out.println(" - now reshowing: ");
((Frame)(b1.getParent())).setVisible(true);
dolog();
} else if ( e.getSource() == b7 ) {
System.out.println(" - button pressed - hiding : ");
dolog();
((Frame)(b1.getParent())).setVisible(false);
dolog();
try {
Thread.sleep(1000);
} catch (Exception ex) {};
System.out.println(" - setting Iconic: ");
dolog();
((Frame)(b1.getParent())).setState(Frame.ICONIFIED);
try {
Thread.sleep(1000);
} catch (Exception ex) {};
System.out.println(" - now reshowing: ");
((Frame)(b1.getParent())).setVisible(true);
dolog();
try {
Thread.sleep(1000);
} catch (Exception ex) {};
System.out.println(" - now restoring: ");
((Frame)(b1.getParent())).setState(Frame.NORMAL);
dolog();
}
}
public void windowActivated(WindowEvent e) {
System.out.println(name + " Activated");
dolog();
}
public void windowClosed(WindowEvent e) {
System.out.println(name + " Closed");
dolog();
}
public void windowClosing(WindowEvent e) {
((Window)(e.getSource())).dispose();
System.out.println(name + " Closing");
dolog();
}
public void windowDeactivated(WindowEvent e) {
System.out.println(name + " Deactivated");
dolog();
}
public void windowDeiconified(WindowEvent e) {
System.out.println(name + " Deiconified");
dolog();
}
public void windowIconified(WindowEvent e) {
System.out.println(name + " Iconified");
dolog();
}
public void windowOpened(WindowEvent e) {
System.out.println(name + " Opened");
dolog();
}
public void dolog() {
System.out.println(" getState returns: "+getState());
}
}
// }// class FrameStateTest
/****************************************************
Standard Test Machinery
DO NOT modify anything below -- it's a standard
chunk of code whose purpose is to make user
interaction uniform, and thereby make it simpler
to read and understand someone else's test.
****************************************************/
/**
This is part of the standard test machinery.
It creates a dialog (with the instructions), and is the interface
for sending text messages to the user.
To print the instructions, send an array of strings to Sysout.createDialog
WithInstructions method. Put one line of instructions per array entry.
To display a message for the tester to see, simply call Sysout.println
with the string to be displayed.
This mimics System.out.println but works within the test harness as well
as standalone.
*/
class Sysout
{
private static TestDialog dialog;
public static void createDialogWithInstructions( String[] instructions )
{
dialog = new TestDialog( new Frame(), "Instructions" );
dialog.printInstructions( instructions );
dialog.show();
println( "Any messages for the tester will display here." );
}
public static void createDialog( )
{
dialog = new TestDialog( new Frame(), "Instructions" );
String[] defInstr = { "Instructions will appear here. ", "" } ;
dialog.printInstructions( defInstr );
dialog.show();
println( "Any messages for the tester will display here." );
}
public static void printInstructions( String[] instructions )
{
dialog.printInstructions( instructions );
}
public static void println( String messageIn )
{
dialog.displayMessage( messageIn );
}
}// Sysout class
/**
This is part of the standard test machinery. It provides a place for the
test instructions to be displayed, and a place for interactive messages
to the user to be displayed.
To have the test instructions displayed, see Sysout.
To have a message to the user be displayed, see Sysout.
Do not call anything in this dialog directly.
*/
class TestDialog extends Dialog
{
TextArea instructionsText;
TextArea messageText;
int maxStringLength = 80;
//DO NOT call this directly, go through Sysout
public TestDialog( Frame frame, String name )
{
super( frame, name );
int scrollBoth = TextArea.SCROLLBARS_BOTH;
int scrollNone = TextArea.SCROLLBARS_NONE;
instructionsText = new TextArea( "", 15, maxStringLength, scrollBoth );
add( "North", instructionsText );
messageText = new TextArea( "", 10, maxStringLength, scrollBoth );
add("South", messageText);
pack();
show();
}// TestDialog()
//DO NOT call this directly, go through Sysout
public void printInstructions( String[] instructions )
{
//Clear out any current instructions
instructionsText.setText( "" );
//Go down array of instruction strings
String printStr, remainingStr;
for( int i=0; i < instructions.length; i++ )
{
//chop up each into pieces maxSringLength long
remainingStr = instructions[ i ];
while( remainingStr.length() > 0 )
{
//if longer than max then chop off first max chars to print
if( remainingStr.length() >= maxStringLength )
{
//Try to chop on a word boundary
int posOfSpace = remainingStr.
lastIndexOf( ' ', maxStringLength - 1 );
if( posOfSpace <= 0 ) posOfSpace = maxStringLength - 1;
printStr = remainingStr.substring( 0, posOfSpace + 1 );
remainingStr = remainingStr.substring( posOfSpace + 1 );
}
//else just print
else
{
printStr = remainingStr;
remainingStr = "";
}
instructionsText.append( printStr + "\n" );
}// while
}// for
}//printInstructions()
//DO NOT call this directly, go through Sysout
public void displayMessage( String messageIn )
{
messageText.append( messageIn + "\n" );
}
}// TestDialog class
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