/*
* The contents of this file are subject to the terms
* of the Common Development and Distribution License
* (the "License"). You may not use this file except
* in compliance with the License.
*
* You can obtain a copy of the license at
* glassfish/bootstrap/legal/CDDLv1.0.txt or
* https://glassfish.dev.java.net/public/CDDLv1.0.html.
* See the License for the specific language governing
* permissions and limitations under the License.
*
* When distributing Covered Code, include this CDDL
* HEADER in each file and include the License file at
* glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
* add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your
* own identifying information: Portions Copyright [yyyy]
* [name of copyright owner]
*/
/*
* @(#)TextEditor.java 1.8 05/11/16
*
* Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
*/
package com.sun.activation.viewers;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.beans.*;
import javax.activation.*;
public class
TextEditor extends
Panel implements
CommandObject,
ActionListener {
// UI Vars...
private
TextArea text_area = null;
private
GridBagLayout panel_gb = null;
private
Panel button_panel = null;
private
Button save_button = null;
// File Vars
private
File text_file = null;
private
String text_buffer = null;
private
InputStream data_ins = null;
private
FileInputStream fis = null;
private
DataHandler _dh = null;
private boolean
DEBUG = false;
/**
* Constructor
*/
public
TextEditor() {
panel_gb = new
GridBagLayout();
setLayout(
panel_gb);
button_panel = new
Panel();
// button_panel.setBackground(Color.white);
button_panel.
setLayout( new
FlowLayout() );
save_button = new
Button("SAVE");
button_panel.
add(
save_button);
addGridComponent(this,
button_panel,
panel_gb,
0,0,
1,1,
1,0);
// create the text area
text_area = new
TextArea("This is text",24, 80,
TextArea.
SCROLLBARS_VERTICAL_ONLY );
// text_area.setBackground(Color.lightGray);
text_area.
setEditable( true );
addGridComponent(this,
text_area,
panel_gb,
0,1,
1,2,
1,1);
// add listeners
save_button.
addActionListener( this );
}
////////////////////////////////////////////////////////////////////////
/**
* adds a component to our gridbag layout
*/
private void
addGridComponent(
Container cont,
Component comp,
GridBagLayout mygb,
int
gridx,
int
gridy,
int
gridw,
int
gridh,
int
weightx,
int
weighty) {
GridBagConstraints c = new
GridBagConstraints();
c.
gridx =
gridx;
c.
gridy =
gridy;
c.
gridwidth =
gridw;
c.
gridheight =
gridh;
c.
fill =
GridBagConstraints.
BOTH;
c.
weighty =
weighty;
c.
weightx =
weightx;
c.
anchor =
GridBagConstraints.
CENTER;
mygb.
setConstraints(
comp,
c);
cont.
add(
comp);
}
//--------------------------------------------------------------------
public void
setCommandContext(
String verb,
DataHandler dh) throws
IOException {
_dh =
dh;
this.
setInputStream(
_dh.
getInputStream() );
}
//--------------------------------------------------------------------
/**
* set the data stream, component to assume it is ready to
* be read.
*/
public void
setInputStream(
InputStream ins) throws
IOException {
byte
data[] = new byte[1024];
ByteArrayOutputStream baos = new
ByteArrayOutputStream();
int
bytes_read = 0;
// check that we can actually read
while((
bytes_read =
ins.
read(
data)) >0)
baos.
write(
data, 0,
bytes_read);
ins.
close();
// convert the buffer into a string
// popuplate the buffer
text_buffer =
baos.
toString();
// place in the text area
text_area.
setText(
text_buffer);
}
///////////////////////////////////////////////////////////////////////
private void
performSaveOperation(){
OutputStream fos = null;
try {
fos =
_dh.
getOutputStream();
} catch (
Exception e) {}
String buffer =
text_area.
getText();
// make sure we got one
if(
fos == null) {
System.
out.
println("Invalid outputstream in TextEditor!");
System.
out.
println("not saving!");
}
try {
fos.
write(
buffer.
getBytes() );
fos.
flush(); // flush it!
fos.
close(); // close it!
} catch(
IOException e)
{
System.
out.
println("TextEditor Save Operation failed with: " +
e);
}
}
//--------------------------------------------------------------------
public void
addNotify() {
super.addNotify();
invalidate();
}
//--------------------------------------------------------------------
public
Dimension getPreferredSize() {
return
text_area.
getMinimumSize(24, 80);
}
/////////////////////////////////////////////////////////////////////
// for ActionListener
public void
actionPerformed(
ActionEvent evt){
if(
evt.
getSource() ==
save_button) { // save button pressed!
// Save ourselves
this.
performSaveOperation();
}
}
}