| /* |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
| * |
| * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved. |
| * |
| * The contents of this file are subject to the terms of either the GNU |
| * General Public License Version 2 only ("GPL") or the Common Development |
| * and Distribution License("CDDL") (collectively, the "License"). You |
| * may not use this file except in compliance with the License. You can |
| * obtain a copy of the License at |
| * https://oss.oracle.com/licenses/CDDL+GPL-1.1 |
| * or LICENSE.txt. See the License for the specific |
| * language governing permissions and limitations under the License. |
| * |
| * When distributing the software, include this License Header Notice in each |
| * file and include the License file at LICENSE.txt. |
| * |
| * GPL Classpath Exception: |
| * Oracle designates this particular file as subject to the "Classpath" |
| * exception as provided by Oracle in the GPL Version 2 section of the License |
| * file that accompanied this code. |
| * |
| * Modifications: |
| * If applicable, add the following below the License Header, with the fields |
| * enclosed by brackets [] replaced by your own identifying information: |
| * "Portions Copyright [year] [name of copyright owner]" |
| * |
| * Contributor(s): |
| * If you wish your version of this file to be governed by only the CDDL or |
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| * elects to include this software in this distribution under the [CDDL or GPL |
| * Version 2] license." If you don't indicate a single choice of license, a |
| * recipient has the option to distribute your version of this file under |
| * either the CDDL, the GPL Version 2 or to extend the choice of license to |
| * its licensees as provided above. However, if you add GPL Version 2 code |
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| * only if the new code is made subject to such option by the copyright |
| * holder. |
| */ |
| |
| 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!"); |
| return; |
| } |
| |
| 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(); |
| } |
| } |
| |
| } |