Source Code Cross Referenced for JXEditTextArea.java in  » Web-Services » soapui-1.7.5 » com » eviware » soapui » support » xml » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Web Services » soapui 1.7.5 » com.eviware.soapui.support.xml 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  soapUI, copyright (C) 2004-2007 eviware.com 
003:         *
004:         *  soapUI is free software; you can redistribute it and/or modify it under the 
005:         *  terms of version 2.1 of the GNU Lesser General Public License as published by 
006:         *  the Free Software Foundation.
007:         *
008:         *  soapUI is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without 
009:         *  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
010:         *  See the GNU Lesser General Public License for more details at gnu.org.
011:         */
012:
013:        package com.eviware.soapui.support.xml;
014:
015:        import java.awt.Color;
016:        import java.awt.Dimension;
017:        import java.awt.Font;
018:        import java.awt.Toolkit;
019:        import java.awt.event.ActionEvent;
020:        import java.awt.event.ActionListener;
021:        import java.awt.event.FocusEvent;
022:        import java.awt.event.FocusListener;
023:        import java.lang.ref.Reference;
024:        import java.lang.ref.ReferenceQueue;
025:        import java.lang.ref.WeakReference;
026:        import java.util.HashMap;
027:        import java.util.Map;
028:
029:        import javax.swing.AbstractAction;
030:        import javax.swing.Action;
031:        import javax.swing.BorderFactory;
032:        import javax.swing.event.UndoableEditEvent;
033:        import javax.swing.event.UndoableEditListener;
034:        import javax.swing.text.BadLocationException;
035:        import javax.swing.undo.CannotRedoException;
036:        import javax.swing.undo.CannotUndoException;
037:        import javax.swing.undo.UndoManager;
038:
039:        import org.syntax.jedit.InputHandler;
040:        import org.syntax.jedit.JEditTextArea;
041:        import org.syntax.jedit.SyntaxStyle;
042:        import org.syntax.jedit.tokenmarker.GroovyTokenMarker;
043:        import org.syntax.jedit.tokenmarker.Token;
044:        import org.syntax.jedit.tokenmarker.TokenMarker;
045:        import org.syntax.jedit.tokenmarker.XMLTokenMarker;
046:
047:        import com.eviware.soapui.SoapUI;
048:        import com.eviware.soapui.model.settings.SettingsListener;
049:        import com.eviware.soapui.settings.UISettings;
050:        import com.eviware.soapui.support.UISupport;
051:        import com.eviware.soapui.support.actions.FindAndReplaceDialog;
052:        import com.eviware.soapui.support.actions.FindAndReplaceable;
053:        import com.eviware.soapui.support.components.JEditorStatusBar.JEditorStatusBarTarget;
054:
055:        /**
056:         * JEditTextArea extension targeted specifically at XML-editing.
057:         *
058:         * //@todo move font handling to subclass
059:         * 
060:         * @author Ole.Matzura
061:         */
062:
063:        public class JXEditTextArea extends JEditTextArea implements 
064:                UndoableEditListener, FocusListener, FindAndReplaceable,
065:                JEditorStatusBarTarget {
066:            public static final int UNDO_LIMIT = 1500;
067:            private UndoManager undoManager;
068:            private UndoAction undoAction;
069:            private RedoAction redoAction;
070:            private FindAndReplaceDialog findAndReplaceAction;
071:            private boolean discardEditsOnSet = true;
072:
073:            public static JXEditTextArea createXmlEditor() {
074:                return new JXEditTextArea(new XMLTokenMarker());
075:            }
076:
077:            public static JXEditTextArea createGroovyEditor() {
078:                return new JXEditTextArea(new GroovyTokenMarker());
079:            }
080:
081:            public JXEditTextArea(TokenMarker tokenMarker) {
082:                String editorFont = SoapUI.getSettings().getString(
083:                        UISettings.EDITOR_FONT, UISettings.DEFAULT_EDITOR_FONT);
084:                if (editorFont != null && editorFont.length() > 0)
085:                    getPainter().setFont(Font.decode(editorFont));
086:                else
087:                    getPainter().setFont(
088:                            Font.decode(UISettings.DEFAULT_EDITOR_FONT));
089:
090:                getPainter().setLineHighlightColor(new Color(240, 240, 180));
091:                getPainter().setStyles(createXmlStyles());
092:                setTokenMarker(tokenMarker);
093:                setBorder(BorderFactory.createEtchedBorder());
094:                addFocusListener(this );
095:
096:                undoAction = new UndoAction();
097:                getInputHandler().addKeyBinding("C+Z", undoAction);
098:                redoAction = new RedoAction();
099:                getInputHandler().addKeyBinding("C+Y", redoAction);
100:                findAndReplaceAction = new FindAndReplaceDialog(this );
101:                getInputHandler().addKeyBinding("C+F", findAndReplaceAction);
102:                getInputHandler().addKeyBinding("F3", findAndReplaceAction);
103:                getInputHandler().addKeyBinding("A+RIGHT",
104:                        new NextElementValueAction());
105:                getInputHandler().addKeyBinding("A+LEFT",
106:                        new PreviousElementValueAction());
107:                getInputHandler().addKeyBinding("C+D", new DeleteLineAction());
108:                getInputHandler()
109:                        .addKeyBinding("S+INSERT", createPasteAction());
110:                getInputHandler().addKeyBinding("S+DELETE", createCutAction());
111:
112:                setMinimumSize(new Dimension(50, 50));
113:                new InternalSettingsListener(this );
114:            }
115:
116:            @Override
117:            public void addNotify() {
118:                super .addNotify();
119:                getDocument().addUndoableEditListener(this );
120:            }
121:
122:            @Override
123:            public void removeNotify() {
124:                super .removeNotify();
125:                getDocument().removeUndoableEditListener(this );
126:            }
127:
128:            public Action getFindAndReplaceAction() {
129:                return findAndReplaceAction;
130:            }
131:
132:            public Action getRedoAction() {
133:                return redoAction;
134:            }
135:
136:            public Action getUndoAction() {
137:                return undoAction;
138:            }
139:
140:            public void setText(String text) {
141:                if (text != null && text.equals(getText()))
142:                    return;
143:
144:                super .setText(text == null ? "" : text);
145:
146:                if (discardEditsOnSet && undoManager != null)
147:                    undoManager.discardAllEdits();
148:            }
149:
150:            public boolean isDiscardEditsOnSet() {
151:                return discardEditsOnSet;
152:            }
153:
154:            public void setDiscardEditsOnSet(boolean discardEditsOnSet) {
155:                this .discardEditsOnSet = discardEditsOnSet;
156:            }
157:
158:            public UndoManager getUndoManager() {
159:                return undoManager;
160:            }
161:
162:            public SyntaxStyle[] createXmlStyles() {
163:                SyntaxStyle[] styles = new SyntaxStyle[Token.ID_COUNT];
164:
165:                styles[Token.COMMENT1] = new SyntaxStyle(Color.black, true,
166:                        false);
167:                styles[Token.COMMENT2] = new SyntaxStyle(new Color(0x990033),
168:                        true, false);
169:                styles[Token.KEYWORD1] = new SyntaxStyle(Color.blue, false,
170:                        false);
171:                styles[Token.KEYWORD2] = new SyntaxStyle(Color.magenta, false,
172:                        false);
173:                styles[Token.KEYWORD3] = new SyntaxStyle(new Color(0x009600),
174:                        false, false);
175:                styles[Token.LITERAL1] = new SyntaxStyle(new Color(0x650099),
176:                        false, false);
177:                styles[Token.LITERAL2] = new SyntaxStyle(new Color(0x650099),
178:                        false, true);
179:                styles[Token.LABEL] = new SyntaxStyle(new Color(0x990033),
180:                        false, true);
181:                styles[Token.OPERATOR] = new SyntaxStyle(Color.black, false,
182:                        true);
183:                styles[Token.INVALID] = new SyntaxStyle(Color.red, false, true);
184:
185:                return styles;
186:            }
187:
188:            private void createUndoMananger() {
189:                undoManager = new UndoManager();
190:                undoManager.setLimit(UNDO_LIMIT);
191:            }
192:
193:            /*
194:
195:            private void removeUndoMananger()
196:            {
197:            	if (undoManager == null)
198:            		return;
199:            	undoManager.end();
200:            	undoManager = null;
201:            }
202:            
203:             */
204:
205:            public void focusGained(FocusEvent fe) {
206:                if (isEditable() && undoManager == null)
207:                    createUndoMananger();
208:            }
209:
210:            public void setEnabled(boolean flag) {
211:                super .setEnabled(flag);
212:                setEditable(flag);
213:            }
214:
215:            public void setEditable(boolean enabled) {
216:                super .setEditable(enabled);
217:                setCaretVisible(enabled);
218:                getPainter().setLineHighlightEnabled(enabled);
219:
220:                //getPainter().setBackground( enabled ? Color.WHITE : new Color(238, 238, 238) );
221:                repaint();
222:            }
223:
224:            public void focusLost(FocusEvent fe) {
225:                //removeUndoMananger();
226:            }
227:
228:            public void undoableEditHappened(UndoableEditEvent e) {
229:                if (undoManager != null)
230:                    undoManager.addEdit(e.getEdit());
231:            }
232:
233:            private static ReferenceQueue<JXEditTextArea> testQueue = new ReferenceQueue<JXEditTextArea>();
234:            private static Map<WeakReference<JXEditTextArea>, InternalSettingsListener> testMap = new HashMap<WeakReference<JXEditTextArea>, InternalSettingsListener>();
235:
236:            static {
237:                new Thread(new Runnable() {
238:
239:                    public void run() {
240:                        while (true) {
241:                            //					System.out.println( "Waiting for weak references to be released.." );
242:
243:                            try {
244:                                Reference<? extends JXEditTextArea> ref = testQueue
245:                                        .remove();
246:                                //						System.out.println( "Got ref to clear" );
247:                                InternalSettingsListener listener = testMap
248:                                        .remove(ref);
249:                                if (listener != null) {
250:                                    //							System.out.println( "Releasing listener" );
251:                                    listener.release();
252:                                } else {
253:                                    //							System.out.println( "Listener not found" );
254:                                }
255:                            } catch (InterruptedException e) {
256:                                SoapUI.logError(e);
257:                            }
258:                        }
259:
260:                    }
261:                }, "ReferenceQueueMonitor").start();
262:            }
263:
264:            private static final class InternalSettingsListener implements 
265:                    SettingsListener {
266:                private WeakReference<JXEditTextArea> textArea;
267:
268:                public InternalSettingsListener(JXEditTextArea area) {
269:                    //			System.out.println( "Creating weakreference for textarea" );
270:                    textArea = new WeakReference<JXEditTextArea>(area,
271:                            testQueue);
272:                    testMap.put(textArea, this );
273:                    SoapUI.getSettings().addSettingsListener(this );
274:                }
275:
276:                public void release() {
277:                    if (textArea.get() == null) {
278:                        SoapUI.getSettings().removeSettingsListener(this );
279:                    } else {
280:                        System.err.println("Error, cannot release listener");
281:                    }
282:                }
283:
284:                public void settingChanged(String name, String newValue,
285:                        String oldValue) {
286:                    if (name.equals(UISettings.EDITOR_FONT)
287:                            && textArea.get() != null) {
288:                        textArea.get().getPainter().setFont(
289:                                Font.decode(newValue));
290:                        textArea.get().invalidate();
291:                    }
292:                }
293:
294:            }
295:
296:            private class UndoAction extends AbstractAction {
297:                public UndoAction() {
298:                    super ("Undo");
299:                    putValue(Action.ACCELERATOR_KEY, UISupport
300:                            .getKeyStroke("menu Z"));
301:                }
302:
303:                public void actionPerformed(ActionEvent e) {
304:                    if (!isEditable()) {
305:                        getToolkit().beep();
306:                        return;
307:                    }
308:
309:                    try {
310:                        if (undoManager != null)
311:                            undoManager.undo();
312:                    } catch (CannotUndoException cue) {
313:                        Toolkit.getDefaultToolkit().beep();
314:                    }
315:                }
316:            }
317:
318:            private class RedoAction extends AbstractAction {
319:                public RedoAction() {
320:                    super ("Redo");
321:                    putValue(Action.ACCELERATOR_KEY, UISupport
322:                            .getKeyStroke("menu Y"));
323:                }
324:
325:                public void actionPerformed(ActionEvent e) {
326:                    if (!isEditable()) {
327:                        getToolkit().beep();
328:                        return;
329:                    }
330:
331:                    try {
332:                        if (undoManager != null)
333:                            undoManager.redo();
334:                    } catch (CannotRedoException cue) {
335:                        Toolkit.getDefaultToolkit().beep();
336:                    }
337:                }
338:            }
339:
340:            public class NextElementValueAction implements  ActionListener {
341:                public void actionPerformed(ActionEvent e) {
342:                    toNextElement();
343:                }
344:            }
345:
346:            public class PreviousElementValueAction implements  ActionListener {
347:                public void actionPerformed(ActionEvent e) {
348:                    toPreviousElement();
349:                }
350:            }
351:
352:            public class DeleteLineAction implements  ActionListener {
353:                public void actionPerformed(ActionEvent e) {
354:                    if (!isEditable()) {
355:                        getToolkit().beep();
356:                        return;
357:                    }
358:
359:                    int caretLine = getCaretLine();
360:                    if (caretLine == -1)
361:                        return;
362:                    int lineStartOffset = getLineStartOffset(caretLine);
363:                    int lineEndOffset = getLineEndOffset(caretLine);
364:
365:                    try {
366:                        int len = lineEndOffset - lineStartOffset;
367:                        if (lineStartOffset + len >= getDocumentLength())
368:                            len = getDocumentLength() - lineStartOffset;
369:
370:                        getDocument().remove(lineStartOffset, len);
371:                    } catch (BadLocationException e1) {
372:                        SoapUI.logError(e1);
373:                    }
374:                }
375:            }
376:
377:            public Action createCopyAction() {
378:                return new InputHandler.clip_copy();
379:            }
380:
381:            public Action createCutAction() {
382:                return new InputHandler.clip_cut();
383:            }
384:
385:            public Action createPasteAction() {
386:                return new InputHandler.clip_paste();
387:            }
388:
389:            public int getCaretColumn() {
390:                int pos = getCaretPosition();
391:                int line = getLineOfOffset(pos);
392:
393:                return pos - getLineStartOffset(line);
394:            }
395:
396:            public void toNextElement() {
397:                int pos = getCaretPosition();
398:                String text = getText();
399:
400:                while (pos < text.length()) {
401:                    // find ending >
402:                    if (text.charAt(pos) == '>'
403:                            && pos < text.length() - 1
404:                            && (pos > 2 && !text.substring(pos - 2, pos)
405:                                    .equals("--"))
406:                            && (pos > 1 && text.charAt(pos - 1) != '/')
407:                            && text.indexOf('/', pos) == text.indexOf('<', pos) + 1
408:                            && text.lastIndexOf('/', pos) != text.lastIndexOf(
409:                                    '<', pos) + 1) {
410:                        setCaretPosition(pos + 1);
411:                        return;
412:                    }
413:
414:                    pos++;
415:                }
416:
417:                getToolkit().beep();
418:            }
419:
420:            public void toPreviousElement() {
421:                int pos = getCaretPosition() - 2;
422:                String text = getText();
423:
424:                while (pos > 0) {
425:                    // find ending >
426:                    if (text.charAt(pos) == '>'
427:                            && pos < text.length() - 1
428:                            && (pos > 2 && !text.substring(pos - 2, pos)
429:                                    .equals("--"))
430:                            && (pos > 1 && text.charAt(pos - 1) != '/')
431:                            && text.indexOf('/', pos) == text.indexOf('<', pos) + 1
432:                            && text.lastIndexOf('/', pos) != text.lastIndexOf(
433:                                    '<', pos) + 1) {
434:                        setCaretPosition(pos + 1);
435:                        return;
436:                    }
437:
438:                    pos--;
439:                }
440:
441:                getToolkit().beep();
442:            }
443:        }
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