| /* |
| $Id$ |
| |
| Copyright 2003 (C) James Strachan and Bob Mcwhirter. All Rights Reserved. |
| |
| Redistribution and use of this software and associated documentation |
| ("Software"), with or without modification, are permitted provided |
| that the following conditions are met: |
| |
| 1. Redistributions of source code must retain copyright |
| statements and notices. Redistributions must also contain a |
| copy of this document. |
| |
| 2. Redistributions in binary form must reproduce the |
| above copyright notice, this list of conditions and the |
| following disclaimer in the documentation and/or other |
| materials provided with the distribution. |
| |
| 3. The name "groovy" must not be used to endorse or promote |
| products derived from this Software without prior written |
| permission of The Codehaus. For written permission, |
| please contact info@codehaus.org. |
| |
| 4. Products derived from this Software may not be called "groovy" |
| nor may "groovy" appear in their names without prior written |
| permission of The Codehaus. "groovy" is a registered |
| trademark of The Codehaus. |
| |
| 5. Due credit should be given to The Codehaus - |
| http://groovy.codehaus.org/ |
| |
| THIS SOFTWARE IS PROVIDED BY THE CODEHAUS AND CONTRIBUTORS |
| ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT |
| NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| THE CODEHAUS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, |
| INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| */ |
| package groovy.ui; |
| |
| import groovy.lang.GroovyShell; |
| |
| import java.awt.Color; |
| |
| import javax.swing.JTextPane; |
| import javax.swing.text.Style; |
| import javax.swing.text.StyleConstants; |
| import javax.swing.text.StyleContext; |
| import javax.swing.text.StyledDocument; |
| |
| /** |
| * Base class for console |
| * |
| * @author <a href="mailto:james@coredevelopers.net">James Strachan</a> |
| * @version $Revision$ |
| */ |
| public abstract class ConsoleSupport { |
| |
| Style promptStyle; |
| Style commandStyle; |
| Style outputStyle; |
| private GroovyShell shell; |
| int counter; |
| |
| protected void addStylesToDocument(JTextPane outputArea) { |
| StyledDocument doc = outputArea.getStyledDocument(); |
| |
| Style def = StyleContext.getDefaultStyleContext().getStyle(StyleContext.DEFAULT_STYLE); |
| |
| Style regular = doc.addStyle("regular", def); |
| StyleConstants.setFontFamily(def, "Monospaced"); |
| |
| promptStyle = doc.addStyle("prompt", regular); |
| StyleConstants.setForeground(promptStyle, Color.BLUE); |
| |
| commandStyle = doc.addStyle("command", regular); |
| StyleConstants.setForeground(commandStyle, Color.MAGENTA); |
| |
| outputStyle = doc.addStyle("output", regular); |
| StyleConstants.setBold(outputStyle, true); |
| } |
| |
| public Style getCommandStyle() { |
| return commandStyle; |
| } |
| |
| public Style getOutputStyle() { |
| return outputStyle; |
| } |
| |
| public Style getPromptStyle() { |
| return promptStyle; |
| } |
| |
| public GroovyShell getShell() { |
| if (shell == null) { |
| shell = new GroovyShell(); |
| } |
| return shell; |
| } |
| |
| protected Object evaluate(String text) { |
| String name = "Script" + counter++; |
| try { |
| return getShell().evaluate(text, name); |
| } |
| catch (Exception e) { |
| handleException(text, e); |
| return null; |
| } |
| } |
| |
| protected abstract void handleException(String text, Exception e); |
| } |