diff options
Diffstat (limited to 'libjava/classpath/gnu/javax/activation/viewers/TextEditor.java')
-rw-r--r-- | libjava/classpath/gnu/javax/activation/viewers/TextEditor.java | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/activation/viewers/TextEditor.java b/libjava/classpath/gnu/javax/activation/viewers/TextEditor.java new file mode 100644 index 000000000..0eedc85db --- /dev/null +++ b/libjava/classpath/gnu/javax/activation/viewers/TextEditor.java @@ -0,0 +1,119 @@ +/* TextEditor.java -- Simple text editor component. + Copyright (C) 2004 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath 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 for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + +package gnu.javax.activation.viewers; + +import java.awt.Dimension; +import java.awt.TextArea; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.io.IOException; +import java.io.OutputStream; +import javax.activation.CommandObject; +import javax.activation.DataHandler; + +/** + * Simple text editor component. + * + * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> + * @version 1.0.2 + */ +public class TextEditor extends TextArea + implements CommandObject, ActionListener +{ + + private transient DataHandler dh; + + public TextEditor() + { + super("", 24, 80, 1); + } + + public Dimension getPreferredSize() + { + return getMinimumSize(24, 80); + } + + public void setCommandContext(String verb, DataHandler dh) + throws IOException + { + this.dh = dh; + InputStream in = dh.getInputStream(); + ByteArrayOutputStream bytes = new ByteArrayOutputStream(); + byte[] buf = new byte[4096]; + for (int len = in.read(buf); len != -1; len = in.read(buf)) + bytes.write(buf, 0, len); + in.close(); + setText(bytes.toString()); + } + + public void actionPerformed(ActionEvent event) + { + if ("save".equals(event.getActionCommand()) && dh != null) + { + OutputStream out = null; + try + { + out = dh.getOutputStream(); + if (out != null) + out.write(getText().getBytes()); + } + catch (IOException e) + { + e.printStackTrace(System.err); + } + finally + { + if (out != null) + { + try + { + + out.close(); + } + catch (IOException e) + { + e.printStackTrace(System.err); + } + } + } + } + } + +} |