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/*
* 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();
}
}
}
