Source Code Cross Referenced for HistoryTextField.java in  » Swing-Library » jEdit » org » gjt » sp » jedit » gui » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Swing Library » jEdit » org.gjt.sp.jedit.gui 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * HistoryTextField.java - Text field with a history
003:         * :tabSize=8:indentSize=8:noTabs=false:
004:         * :folding=explicit:collapseFolds=1:
005:         *
006:         * Copyright (C) 1999, 2000, 2001 Slava Pestov
007:         *
008:         * This program is free software; you can redistribute it and/or
009:         * modify it under the terms of the GNU General Public License
010:         * as published by the Free Software Foundation; either version 2
011:         * of the License, or any later version.
012:         *
013:         * This program is distributed in the hope that it will be useful,
014:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
015:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
016:         * GNU General Public License for more details.
017:         *
018:         * You should have received a copy of the GNU General Public License
019:         * along with this program; if not, write to the Free Software
020:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
021:         */
022:
023:        package org.gjt.sp.jedit.gui;
024:
025:        //{{{ Imports
026:        import javax.swing.*;
027:        import javax.swing.border.Border;
028:        import javax.swing.border.AbstractBorder;
029:        import javax.swing.border.CompoundBorder;
030:        import javax.swing.event.MouseInputAdapter;
031:        import java.awt.*;
032:        import java.awt.event.*;
033:        import org.gjt.sp.jedit.*;
034:
035:        //}}}
036:
037:        /**
038:         * Text field with an arrow-key accessable history.
039:         * @author Slava Pestov
040:         * @version $Id: HistoryTextField.java 10575 2007-09-14 02:31:49Z ezust $
041:         */
042:        public class HistoryTextField extends JTextField {
043:            //{{{ HistoryTextField constructor
044:            /**
045:             * Creates a new history text field.
046:             * @since jEdit 3.2pre5
047:             */
048:            public HistoryTextField() {
049:                this (null);
050:            } //}}}
051:
052:            //{{{ HistoryTextField constructor
053:            /**
054:             * Creates a new history text field.
055:             * @param name The history model name
056:             */
057:            public HistoryTextField(String name) {
058:                this (name, false, true);
059:            } //}}}
060:
061:            //{{{ HistoryTextField constructor
062:            /**
063:             * Creates a new history text field.
064:             * @param name The history model name
065:             * @param instantPopups If true, selecting a value from the history
066:             * popup will immediately fire an ActionEvent. If false, the user
067:             * will have to press 'Enter' first
068:             *
069:             * @since jEdit 2.2pre5
070:             */
071:            public HistoryTextField(String name, boolean instantPopups) {
072:                this (name, instantPopups, true);
073:            } //}}}
074:
075:            //{{{ HistoryTextField constructor
076:            /**
077:             * Creates a new history text field.
078:             * @param name The history model name
079:             * @param instantPopups If true, selecting a value from the history
080:             * popup will immediately fire an ActionEvent. If false, the user
081:             * will have to press 'Enter' first
082:             * @param enterAddsToHistory If true, pressing the Enter key will
083:             * automatically add the currently entered text to the history.
084:             *
085:             * @since jEdit 2.6pre5
086:             */
087:            public HistoryTextField(String name, boolean instantPopups,
088:                    boolean enterAddsToHistory) {
089:                controller = new HistoryText(this , null) {
090:                    public void fireActionPerformed() {
091:                        HistoryTextField.this .fireActionPerformed();
092:                    }
093:                };
094:
095:                setModel(name);
096:                MouseHandler mouseHandler = new MouseHandler();
097:                addMouseListener(mouseHandler);
098:                addMouseMotionListener(mouseHandler);
099:
100:                setInstantPopups(instantPopups);
101:                setEnterAddsToHistory(enterAddsToHistory);
102:            } //}}}
103:
104:            //{{{ setInstantPopups() method
105:            /**
106:             * Sets if selecting a value from the popup should immediately fire
107:             * an ActionEvent.
108:             * @since jEdit 4.0pre3
109:             */
110:            public void setInstantPopups(boolean instantPopups) {
111:                controller.setInstantPopups(instantPopups);
112:            } //}}}
113:
114:            //{{{ getInstantPopups() method
115:            /**
116:             * Returns if selecting a value from the popup should immediately fire
117:             * an ActionEvent.
118:             * @since jEdit 4.0pre3
119:             */
120:            public boolean getInstantPopups() {
121:                return controller.getInstantPopups();
122:            } //}}}
123:
124:            //{{{ setEnterAddsToHistory() method
125:            /**
126:             * Sets if pressing Enter should automatically add the currently
127:             * entered text to the history.
128:             * @since jEdit 4.0pre3
129:             */
130:            public void setEnterAddsToHistory(boolean enterAddsToHistory) {
131:                this .enterAddsToHistory = enterAddsToHistory;
132:            } //}}}
133:
134:            //{{{ getEnterAddsToHistory() method
135:            /**
136:             * Returns if pressing Enter should automatically add the currently
137:             * entered text to the history.
138:             * @since jEdit 4.0pre3
139:             */
140:            public boolean setEnterAddsToHistory() {
141:                return enterAddsToHistory;
142:            } //}}}
143:
144:            //{{{ setSelectAllOnFocus() method
145:            /**
146:             * Sets if all text should be selected when the field gets focus.
147:             * @since jEdit 4.0pre3
148:             */
149:            public void setSelectAllOnFocus(boolean selectAllOnFocus) {
150:                this .selectAllOnFocus = selectAllOnFocus;
151:            } //}}}
152:
153:            //{{{ getSelectAllOnFocus() method
154:            /**
155:             * Returns if all text should be selected when the field gets focus.
156:             * @since jEdit 4.0pre3
157:             */
158:            public boolean setSelectAllOnFocus() {
159:                return selectAllOnFocus;
160:            } //}}}
161:
162:            //{{{ getModel() method
163:            /**
164:             * Returns the underlying history model.
165:             */
166:            public HistoryModel getModel() {
167:                return controller.getModel();
168:            } //}}}
169:
170:            //{{{ setModel() method
171:            /**
172:             * Sets the history list model.
173:             * @param name The model name
174:             * @since jEdit 2.3pre3
175:             */
176:            public void setModel(String name) {
177:                controller.setModel(name);
178:
179:                if (name != null) {
180:                    setBorder(new CompoundBorder(this .getBorder(),
181:                            new HistoryBorder()));
182:                }
183:
184:                repaint();
185:            } //}}}
186:
187:            //{{{ addCurrentToHistory() method
188:            /**
189:             * Adds the currently entered item to the history.
190:             */
191:            public void addCurrentToHistory() {
192:                controller.addCurrentToHistory();
193:            } //}}}
194:
195:            //{{{ setText() method
196:            /**
197:             * Sets the displayed text.
198:             */
199:            public void setText(String text) {
200:                super .setText(text);
201:                controller.setIndex(-1);
202:            } //}}}
203:
204:            //{{{ fireActionPerformed() method
205:            /**
206:             * Make it public.
207:             */
208:            public void fireActionPerformed() {
209:                super .fireActionPerformed();
210:            } //}}}
211:
212:            //{{{ Protected members
213:
214:            //{{{ processKeyEvent() method
215:            protected void processKeyEvent(KeyEvent evt) {
216:                if (!isEnabled())
217:                    return;
218:
219:                if (evt.getID() == KeyEvent.KEY_PRESSED) {
220:                    switch (evt.getKeyCode()) {
221:                    case KeyEvent.VK_ENTER:
222:                        if (enterAddsToHistory)
223:                            addCurrentToHistory();
224:
225:                        if (evt.getModifiers() == 0) {
226:                            fireActionPerformed();
227:                            evt.consume();
228:                        }
229:                        break;
230:                    case KeyEvent.VK_UP:
231:                        if (evt.isShiftDown())
232:                            controller.doBackwardSearch();
233:                        else
234:                            controller.historyPrevious();
235:                        evt.consume();
236:                        break;
237:                    case KeyEvent.VK_DOWN:
238:                        if (evt.isShiftDown())
239:                            controller.doForwardSearch();
240:                        else if (evt.isAltDown()) {
241:                            controller.showPopupMenu(evt.isShiftDown());
242:                        } else
243:                            controller.historyNext();
244:                        evt.consume();
245:                        break;
246:                    case KeyEvent.VK_TAB:
247:                        if (evt.isControlDown()) {
248:                            controller.doBackwardSearch();
249:                            evt.consume();
250:                        }
251:                        break;
252:                    }
253:                }
254:
255:                if (!evt.isConsumed())
256:                    super .processKeyEvent(evt);
257:            } //}}}
258:
259:            //{{{ processMouseEvent() method
260:            protected void processMouseEvent(MouseEvent evt) {
261:                if (!isEnabled())
262:                    return;
263:
264:                switch (evt.getID()) {
265:                case MouseEvent.MOUSE_PRESSED:
266:                    Border border = getBorder();
267:                    Insets insets = border
268:                            .getBorderInsets(HistoryTextField.this );
269:
270:                    if (evt.getX() >= getWidth() - insets.right
271:                            || GUIUtilities.isPopupTrigger(evt)) {
272:                        controller.showPopupMenu(evt.isShiftDown());
273:                    } else
274:                        super .processMouseEvent(evt);
275:
276:                    break;
277:                case MouseEvent.MOUSE_EXITED:
278:                    setCursor(Cursor.getDefaultCursor());
279:                    super .processMouseEvent(evt);
280:                    break;
281:                default:
282:                    super .processMouseEvent(evt);
283:                    break;
284:                }
285:            } //}}}
286:
287:            //}}}
288:
289:            //{{{ Private members
290:
291:            //{{{ Instance variables
292:            private HistoryText controller;
293:            private boolean enterAddsToHistory;
294:            private boolean selectAllOnFocus;
295:
296:            //}}}
297:
298:            //}}}
299:
300:            //{{{ Inner classes
301:
302:            //{{{ MouseHandler class
303:            class MouseHandler extends MouseInputAdapter {
304:                boolean selectAll;
305:
306:                //{{{ mousePressed() method
307:                public void mousePressed(MouseEvent evt) {
308:                    selectAll = (!hasFocus() && selectAllOnFocus);
309:                } //}}}
310:
311:                //{{{ mouseReleased() method
312:                public void mouseReleased(MouseEvent evt) {
313:                    SwingUtilities.invokeLater(new Runnable() {
314:                        public void run() {
315:                            if (selectAll)
316:                                selectAll();
317:                        }
318:                    });
319:                } //}}}
320:
321:                //{{{ mouseMoved() method
322:                public void mouseMoved(MouseEvent evt) {
323:                    Border border = getBorder();
324:                    Insets insets = border
325:                            .getBorderInsets(HistoryTextField.this );
326:
327:                    if (evt.getX() >= getWidth() - insets.right)
328:                        setCursor(Cursor.getDefaultCursor());
329:                    else
330:                        setCursor(Cursor
331:                                .getPredefinedCursor(Cursor.TEXT_CURSOR));
332:                } //}}}
333:
334:                //{{{ mouseDragged() method
335:                public void mouseDragged(MouseEvent evt) {
336:                    selectAll = false;
337:                } //}}}
338:            } //}}}
339:
340:            //{{{ HistoryBorder class
341:            static class HistoryBorder extends AbstractBorder {
342:                static final int WIDTH = 16;
343:
344:                public void paintBorder(Component c, Graphics g, int x, int y,
345:                        int w, int h) {
346:                    g.translate(x + w - WIDTH, y - 1);
347:
348:                    //if(c.isEnabled())
349:                    //{
350:                    //	// vertical separation line
351:                    //	g.setColor(UIManager.getColor("controlDkShadow"));
352:                    //	g.drawLine(0,0,0,h);
353:                    //}
354:
355:                    // down arrow
356:                    int w2 = WIDTH / 2;
357:                    int h2 = h / 2;
358:                    g
359:                            .setColor(UIManager
360:                                    .getColor(c.isEnabled()
361:                                            && ((HistoryTextField) c)
362:                                                    .getModel() != null ? "TextField.foreground"
363:                                            : "TextField.disabledForeground"));
364:                    g.drawLine(w2 - 5, h2 - 2, w2 + 4, h2 - 2);
365:                    g.drawLine(w2 - 4, h2 - 1, w2 + 3, h2 - 1);
366:                    g.drawLine(w2 - 3, h2, w2 + 2, h2);
367:                    g.drawLine(w2 - 2, h2 + 1, w2 + 1, h2 + 1);
368:                    g.drawLine(w2 - 1, h2 + 2, w2, h2 + 2);
369:
370:                    g.translate(-(x + w - WIDTH), -(y - 1));
371:                }
372:
373:                public Insets getBorderInsets(Component c) {
374:                    return new Insets(0, 0, 0, WIDTH);
375:                }
376:            } //}}}
377:
378:            //}}}
379:        }
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