source: trunk/src/org/expeditee/gui/FrameUtils.java

Last change on this file was 1543, checked in by davidb, 3 years ago

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1/**
2 * FrameUtils.java
3 * Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19package org.expeditee.gui;
20
21import java.io.File;
22import java.io.FileInputStream;
23import java.io.FileOutputStream;
24import java.io.IOException;
25import java.io.InputStream;
26import java.lang.reflect.InvocationTargetException;
27import java.net.JarURLConnection;
28import java.net.URISyntaxException;
29import java.net.URL;
30import java.net.URLConnection;
31import java.nio.file.FileVisitResult;
32import java.nio.file.FileVisitor;
33import java.nio.file.Files;
34import java.nio.file.Path;
35import java.nio.file.Paths;
36import java.nio.file.attribute.BasicFileAttributes;
37import java.util.ArrayList;
38import java.util.Arrays;
39import java.util.Collection;
40import java.util.Collections;
41import java.util.Comparator;
42import java.util.Enumeration;
43import java.util.LinkedHashSet;
44import java.util.LinkedList;
45import java.util.List;
46import java.util.Map;
47import java.util.Scanner;
48import java.util.function.Consumer;
49import java.util.jar.JarEntry;
50import java.util.jar.JarFile;
51import java.util.stream.Collectors;
52import java.util.zip.ZipEntry;
53
54import org.expeditee.agents.ExistingFramesetException;
55import org.expeditee.agents.InvalidFramesetNameException;
56import org.expeditee.auth.AuthenticatorBrowser;
57import org.expeditee.auth.mail.gui.MailBay;
58import org.expeditee.core.Colour;
59import org.expeditee.core.Point;
60import org.expeditee.core.bounds.AxisAlignedBoxBounds;
61import org.expeditee.core.bounds.PolygonBounds;
62import org.expeditee.encryption.items.surrogates.Label;
63import org.expeditee.gio.EcosystemManager;
64import org.expeditee.gio.gesture.StandardGestureActions;
65import org.expeditee.gui.management.ResourceManager;
66import org.expeditee.gui.management.ResourceUtil;
67import org.expeditee.items.Circle;
68import org.expeditee.items.Dot;
69import org.expeditee.items.FrameBitmap;
70import org.expeditee.items.FrameImage;
71import org.expeditee.items.Item;
72import org.expeditee.items.Item.HighlightMode;
73import org.expeditee.items.ItemParentStateChangedEvent;
74import org.expeditee.items.ItemUtils;
75import org.expeditee.items.JSItem;
76import org.expeditee.items.Line;
77import org.expeditee.items.PermissionTriple;
78import org.expeditee.items.Picture;
79import org.expeditee.items.Text;
80import org.expeditee.items.UserAppliedPermission;
81import org.expeditee.items.XRayable;
82import org.expeditee.items.widgets.ButtonWidget;
83import org.expeditee.items.widgets.InteractiveWidgetInitialisationFailedException;
84import org.expeditee.items.widgets.InteractiveWidgetNotAvailableException;
85import org.expeditee.items.widgets.Widget;
86import org.expeditee.items.widgets.WidgetCorner;
87import org.expeditee.items.widgets.WidgetEdge;
88import org.expeditee.setting.Setting;
89import org.expeditee.settings.Settings;
90import org.expeditee.settings.UserSettings;
91import org.expeditee.stats.Logger;
92import org.expeditee.stats.SessionStats;
93
94public class FrameUtils {
95
96 /**
97 * The list of known start pages framesets which will have prepopulated links in
98 * the home frame.
99 */
100 public static final String[] startPages = { "exploratorysearch", "webbrowser" };
101
102 private static final int COLUMN_WIDTH = 50;
103
104 /**
105 * Provides a way to monitor the time elapsed between button-down and the
106 * finished painting.
107 */
108 public static TimeKeeper ResponseTimer = new TimeKeeper();
109
110 private static float _ResponseTimeSum = 0;
111
112 private static float _LastResponse = 0;
113
114 private static Text LastEdited = null;
115
116 public static int MINIMUM_INTERITEM_SPACING = -6;
117
118 private static Item _tdfcItem = null;
119
120 public static float getResponseTimeTotal() {
121 return _ResponseTimeSum;
122 }
123
124 public static float getLastResponseTime() {
125 return _LastResponse;
126 }
127
128 /**
129 * Checks if the given top Item is above the given bottom Item, allowing for the
130 * X coordinates to be off by a certain width...
131 *
132 * @param item1
133 * The Item to check is above the other Item
134 * @param item2
135 * The Item to check is below the top Item
136 * @return True if top is above bottom, False otherwise.
137 */
138 public static boolean inSameColumn(Item item1, Item item2) {
139 if (!(item1 instanceof Text) || !(item2 instanceof Text)) {
140 return false;
141 }
142
143 if (item1.getID() < 0 || item2.getID() < 0) {
144 return false;
145 }
146
147 int minX = item2.getX();
148 int maxX = item2.getX() + item2.getBoundsWidth();
149
150 int startX = item1.getX();
151 int endX = item1.getX() + item1.getBoundsWidth();
152
153 // Check that the two items left values are close
154 if (Math.abs(item1.getX() - item2.getX()) > COLUMN_WIDTH) {
155 return false;
156 }
157
158 // Ensure the two items
159 if ((minX >= startX && minX <= endX) || (maxX >= startX && maxX <= endX) || (startX >= minX && startX <= maxX)
160 || (endX >= minX && endX <= maxX)) {
161 return true;
162 }
163
164 return false;
165 }
166
167 public static boolean sameBulletType(String bullet1, String bullet2) {
168 if (bullet1 == null || bullet2 == null) {
169 return false;
170 }
171
172 if (bullet1.equals("") || bullet2.equals("")) {
173 return false;
174 }
175
176 if (Character.isLetter(bullet1.charAt(0)) && Character.isLetter(bullet2.charAt(0))) {
177 return true;
178 }
179
180 if (Character.isDigit(bullet1.charAt(0)) && Character.isDigit(bullet2.charAt(0))) {
181 return true;
182 }
183
184 // TODO make this more sofisticated
185
186 return false;
187 }
188
189 private static boolean needsRenumbering(String s) {
190 if (s == null || s.equals("")) {
191 return false;
192 }
193 if (!Character.isLetterOrDigit(s.charAt(0))) {
194 return false;
195 }
196
197 s = s.trim();
198 // if its all letters then we dont want to auto adjust
199 if (s.length() > 2) {
200 for (int i = 0; i < s.length() - 1; i++) {
201 if (!Character.isLetter(s.charAt(i))) {
202 return true;
203 }
204 }
205 } else {
206 return true;
207 }
208
209 return false;
210 }
211
212 /**
213 *
214 * @param toAlign
215 * @param moveAll
216 * @param adjust
217 * @return
218 */
219 public static int Align(List<Text> toAlign, boolean moveAll, int adjust, List<Item> changedItems) {
220 Collections.sort(toAlign);
221
222 /*
223 * Single items dont need alignment But if there are two items we may still want
224 * to format them... ie if they are too close together.
225 */
226 if (toAlign.size() < 1) {
227 return 0;
228 }
229
230 // get the first item
231 Text from = toAlign.get(0);
232 if (from.getParent() == null) {
233 from = toAlign.get(1);
234 }
235 int x = from.getX();
236
237 Frame curr = from.getParent();
238 Text above = curr.getTextAbove(from);
239
240 String lastBullet = "";
241
242 if (above != null && curr.isNormalTextItem(above)) {
243 lastBullet = StandardGestureActions.getAutoBullet(above.getText());
244 } else {
245 lastBullet = StandardGestureActions.getBullet(toAlign.get(0).getText());
246 }
247 if (needsRenumbering(lastBullet)) {
248 // renumber...
249 for (int i = 0; i < toAlign.size(); i++) {
250
251 Text currentText = toAlign.get(i);
252 String currentBullet = StandardGestureActions.getAutoBullet(currentText.getText());
253
254 if (sameBulletType(lastBullet, currentBullet)) {
255 String oldText = currentText.getText();
256
257 currentText.stripFirstWord();
258
259 currentText.setText(lastBullet + currentText.getText());
260 lastBullet = StandardGestureActions.getAutoBullet(currentText.getText());
261
262 // if we changed the item, add to changedItems list
263 if (changedItems != null && oldText != currentText.getText()
264 && !changedItems.contains(currentText)) {
265 Item copy = currentText.copy();
266 copy.setID(currentText.getID());
267 copy.setText(oldText);
268 changedItems.add(copy);
269 }
270 }
271 }
272 }
273
274 // work out the spacing between the first item and the one above it
275
276 int space = 10 + adjust;
277
278 // if we are dropping from the title make the space a little bigger
279 // than normal
280
281 // If there are only two items get the gap from the start item on the
282 // zero frame if there is one
283 if (above == curr.getTitleItem()) {
284 Frame zero = FrameIO.LoadFrame(curr.getFramesetName() + '0');
285 String strGap = zero.getAnnotationValue("start");
286 if (strGap != null) {
287 try {
288 int gap = Integer.parseInt(strGap);
289 space = gap;
290 } catch (NumberFormatException nfe) {
291
292 }
293 }
294 } else if (above != null) {
295 // Make the gap between all items the same as the gap between
296 // the first two
297 space = from.getBounds().getMinY() - above.getBounds().getMaxY();
298
299 if (space < MINIMUM_INTERITEM_SPACING) {
300 space = MINIMUM_INTERITEM_SPACING;
301 }
302
303 if (UserSettings.FormatSpacingMax.get() != null) {
304 double maxSpace = UserSettings.FormatSpacingMax.get() * above.getSize();
305 if (maxSpace < space) {
306 space = (int) Math.round(maxSpace);
307 }
308 }
309
310 if (UserSettings.FormatSpacingMin.get() != null) {
311 double minSpace = UserSettings.FormatSpacingMin.get() * above.getSize();
312 if (minSpace > space) {
313 space = (int) Math.round(minSpace);
314 }
315 }
316
317 // Need to do things differently for FORMAT than for DROPPING
318 if (moveAll && above != curr.getNameItem() && above != curr.getTitleItem()) {
319 x = above.getX();
320 int y = above.getBounds().getMaxY() + space + (from.getY() - from.getBounds().getMinY());
321
322 if (changedItems != null && (from.getX() != x || from.getY() != y) && !changedItems.contains(from)) {
323 Item copy = from.copy();
324 copy.setID(from.getID());
325 changedItems.add(copy);
326 }
327 from.setPosition(x, y);
328 } else {
329 x = from.getX();
330 }
331
332 space += adjust;
333 }
334 for (int i = 1; i < toAlign.size(); i++) {
335 Item current = toAlign.get(i);
336 Item top = toAlign.get(i - 1);
337
338 // The bottom of the previous item
339 int bottom = top.getBounds().getMaxY();
340
341 // the difference between the current item's Y coordinate and
342 // the top of the highlight box
343 int diff = current.getY() - current.getBounds().getMinY();
344
345 int newPos = bottom + space + diff;
346
347 if (changedItems != null && ((moveAll && current.getX() != x) || current.getY() != newPos)
348 && !changedItems.contains(current)) {
349 Item copy = current.copy();
350 copy.setID(current.getID());
351 changedItems.add(copy);
352 }
353
354 if (moveAll) {
355 current.setPosition(x, newPos);
356 } else if (newPos > current.getY()) {
357 current.setY(newPos);
358 }
359
360 }
361
362 // if (insert != null)
363 // return insert.getY();
364
365 // Michael thinks we return the y value for the next new item??
366 int y = from.getY() + from.getBoundsHeight() + space;
367 return y;
368 }
369
370 public static int Align(List<Text> toAlign, boolean moveAll, int adjust) {
371 return Align(toAlign, moveAll, adjust, null);
372 }
373
374 public static boolean LeavingFrame(Frame current) {
375 checkTDFCItemWaiting(current);
376 // active overlay frames may also require saving if they have been
377 // changed
378 for (Overlay o : current.getOverlays()) {
379 if (!SaveCheck(o.Frame)) {
380 return false;
381 }
382 }
383
384 // if the check fails there is no point continuing
385 if (!SaveCheck(current)) {
386 return false;
387 }
388
389 for (Item i : current.getSortedItems()) {
390 i.setHighlightMode(Item.HighlightMode.None);
391 i.setHighlightColorToDefault();
392 }
393 return true;
394 }
395
396 private static boolean SaveCheck(Frame toSave) {
397 // don't bother saving frames that haven't changed
398 if (!toSave.hasChanged()) {
399 return true;
400 }
401
402 // if the frame has been changed, then save it
403 if (DisplayController.isTwinFramesOn()) {
404 Frame opposite = DisplayController.getOppositeFrame();
405
406 String side = "left";
407 if (DisplayController.getCurrentSide() == DisplayController.TwinFramesSide.RIGHT) {
408 side = "right";
409 }
410
411 // if the two frames both have changes, prompt the user for the
412 // next move
413 if (opposite.hasChanged() && opposite.equals(toSave)) {
414 if (EcosystemManager.getGraphicsManager().showDialog("Changes",
415 "Leaving this frame will discard changes made in the " + side + " Frame. Continue?")) {
416 FrameIO.SaveFrame(toSave);
417 DisplayController.Reload(DisplayController.getSideFrameIsOn(opposite));
418 return true;
419 } else {
420 return false;
421 }
422 } else if (opposite.hasOverlay(toSave)) {
423 if (toSave.hasChanged()) {
424 if (EcosystemManager.getGraphicsManager().showDialog("Changes",
425 "Leaving this frame will discard changes made in the " + side + " Frame. Continue?")) {
426 FrameIO.SaveFrame(toSave);
427 DisplayController.Reload(DisplayController.getSideFrameIsOn(opposite));
428 return true;
429 } else {
430 return false;
431 }
432 }
433 }
434
435 // save the current frame and restore the other side
436 FrameIO.SaveFrame(toSave);
437 return true;
438 }
439
440 // single-frame mode can just save and return
441 FrameIO.SaveFrame(toSave);
442 return true;
443 }
444
445 // TODO: consider reloating this method to Frame class?
446 protected static Item getAnnotation(Frame frame, String annotationStr) {
447 Item matched_item = null;
448
449 // check for an updated template...
450 for (Item i : frame.getAnnotationItems()) {
451
452 if (ItemUtils.startsWithTag(i, annotationStr)) {
453
454 matched_item = i;
455 break;
456 }
457 }
458
459 return matched_item;
460 }
461
462 protected static void doFrameTransition(Item frameTransition, Frame from, Frame to) {
463 String s = frameTransition.getText();
464 String[] s_array = s.split(":");
465 if (s_array.length > 1) {
466 String slide_mode_method = s_array[1].trim();
467
468 FrameTransition transition = new FrameTransition(from.getBuffer(), slide_mode_method);
469
470 DisplayController.setTransition(from, transition);
471
472 System.out.println("Triggered on annotation: " + s);
473 } else {
474 System.err.println("Warning: failed to detect frameTransition type");
475 // TODO: print list as a result of reflection listing
476 }
477 }
478
479 /**
480 * Displays the given Frame on the display. If the current frame has changed
481 * since the last save then it will be saved before the switch is made. The
482 * caller can also dictate whether the current frame is added to the back-stack
483 * or not.
484 *
485 * @param toDisplay
486 * The Frame to display on the screen
487 * @param addToBack
488 * True if the current Frame should be added to the back-stack, False
489 * otherwise
490 */
491 public static void DisplayFrame(Frame toDisplay, boolean addToBack, boolean incrementStats) {
492 if (toDisplay == null) {
493 return;
494 }
495
496 // Check if group specified that it exists.
497 String group = toDisplay.getGroup();
498 Frame groupFrame = null;
499 if (group != null && group.length() > 0) {
500 groupFrame = toDisplay.getGroupFrame();
501 if (groupFrame == null) {
502 String msg = "This frame specifies the group " + group + " of which you are not a member.";
503 MessageBay.displayMessage(msg);
504 }
505 }
506
507 final PermissionTriple framePermissions = toDisplay.getPermission();
508 if (framePermissions != null
509 && framePermissions.getPermission(toDisplay.getOwner(), toDisplay.getGroupMembers()) == UserAppliedPermission.denied) {
510 MessageBay.errorMessage("Insufficient permissions to navigate to frame: " + toDisplay.getName());
511 return;
512 }
513
514 Frame current = DisplayController.getCurrentFrame();
515
516 // Dont need to do anything if the frame to display is already being
517 // displayed
518 if (current.equals(toDisplay)) {
519 return;
520 }
521
522 // move any anchored connected items
523 if (FreeItems.hasItemsAttachedToCursor()) {
524 List<Item> toAdd = new ArrayList<Item>();
525 List<Item> toCheck = new ArrayList<Item>(FreeItems.getInstance());
526
527 while (toCheck.size() > 0) {
528 Item i = toCheck.get(0);
529 Collection<Item> connected = i.getAllConnected();
530
531 // // Only move completely enclosed items
532 // if (!toCheck.containsAll(connected)) {
533 // connected.retainAll(FreeItems.getInstance());
534 // FreeItems.getInstance().removeAll(connected);
535 // toCheck.removeAll(connected);
536 // FrameMouseActions.anchor(connected);
537 // } else {
538 // toCheck.removeAll(connected);
539 // }
540
541 // Anchor overlay items where they belong
542 if (i.getParent() != null && i.getParent() != current) {
543 FreeItems.getInstance().removeAll(connected);
544 toCheck.removeAll(connected);
545 StandardGestureActions.anchor(connected);
546 } else {
547 // Add stuff that is partially enclosed
548 // remove all the connected items from our list to check
549 toCheck.removeAll(connected);
550 // Dont add the items that are free
551 connected.removeAll(FreeItems.getInstance());
552 toAdd.addAll(connected);
553 }
554 }
555
556 current.removeAllItems(toAdd);
557
558 boolean oldChange = toDisplay.hasChanged();
559 toDisplay.updateIDs(toAdd);
560 toDisplay.addAllItems(toAdd);
561 toDisplay.setChanged(oldChange);
562 }
563
564 if (addToBack && current != toDisplay) {
565 FrameIO.checkTDFC(current);
566 }
567
568 // if the saving happened properly, we can continue
569 if (!LeavingFrame(current)) {
570 MessageBay.displayMessage("Navigation cancelled");
571 return;
572 }
573
574 if (addToBack && current != toDisplay) {
575 DisplayController.addToBack(current);
576 }
577
578 Parse(toDisplay);
579
580 if (DisplayController.isAudienceMode()) {
581 // Only need to worry about frame transitions when in Audience Mode
582
583 // Test to see if frame transition specified through annotation, and perform it
584 // if one if found
585 Item frameTransition = getAnnotation(toDisplay, "@frameTransition");
586 if (frameTransition != null) {
587 doFrameTransition(frameTransition, current, toDisplay);
588 }
589 }
590
591 DisplayController.setCurrentFrame(toDisplay, incrementStats);
592 StandardGestureActions.updateCursor();
593 // FrameMouseActions.getInstance().refreshHighlights();
594 // update response timer
595 _LastResponse = ResponseTimer.getElapsedSeconds();
596 _ResponseTimeSum += _LastResponse;
597 DisplayController.updateTitle();
598 }
599
600 /**
601 * Loads and displays the Frame with the given framename, and adds the current
602 * frame to the back-stack if required.
603 *
604 * @param framename
605 * The name of the Frame to load and display
606 * @param addToBack
607 * True if the current Frame should be added to the back-stack, false
608 * otherwise
609 */
610 public static void DisplayFrame(String frameName, boolean addToBack, boolean incrementStats) {
611 Frame newFrame = getFrame(frameName);
612
613 if (newFrame != null) {
614 // display the frame
615 DisplayFrame(newFrame, addToBack, incrementStats);
616 }
617 }
618
619 /**
620 * Loads and displays the Frame with the given framename and adds the current
621 * frame to the back-stack. This is the same as calling DisplayFrame(framename,
622 * true)
623 *
624 * @param framename
625 * The name of the Frame to load and display
626 */
627 public static void DisplayFrame(String framename) {
628 DisplayFrame(framename, true, true);
629 }
630
631 public static Frame getFrame(String frameName) {
632 // if the new frame does not exist then tell the user
633 Frame f = FrameIO.LoadFrame(frameName);
634
635 if (f == null) {
636 MessageBay.errorMessage("Frame '" + frameName + "' could not be loaded.");
637 }
638
639 return f;
640 }
641
642 /**
643 * Creates a new Picture Item from the given Text source Item and adds it to the
644 * given Frame.
645 *
646 * @return True if the image was created successfully, false otherwise
647 */
648 private static boolean createPicture(Frame frame, Text txt, ItemsList items) {
649 // attempt to create the picture
650 Picture pic = ItemUtils.CreatePicture(txt);
651
652 // if the picture could not be created successfully
653 if (pic == null) {
654 String imagePath = txt.getText();
655 assert (imagePath != null);
656 imagePath = new AttributeValuePair(imagePath).getValue().trim();
657 if (imagePath.length() == 0) {
658 return false;
659 // MessageBay.errorMessage("Expected image path after @i:");
660 } else {
661 MessageBay.errorMessage("Image " + imagePath + " could not be loaded");
662 }
663 return false;
664 }
665 frame.addItem(pic, true, items);
666
667 return true;
668 }
669
670 private static boolean createPictureInBody(Frame frame, Text txt) {
671 return createPicture(frame, txt, frame.getBody(false));
672 }
673
674 /**
675 * Creates an interactive widget and adds it to a frame. If txt has no parent
676 * the parent will be set to frame.
677 *
678 * @param frame
679 * Frame to add widget to. Must not be null.
680 *
681 * @param txt
682 * Text to create the widget from. Must not be null.
683 * @param userEdit True if createWidget is being called because a user has made a edit, false otherwise.
684 *
685 * @return True if created/added. False if could not create.
686 *
687 * @author Brook Novak
688 */
689 private static boolean createWidget(Frame frame, Text txt, ItemsList list, boolean userEdit) {
690
691 if (frame == null) {
692 throw new NullPointerException("frame");
693 }
694 if (txt == null) {
695 throw new NullPointerException("txt");
696 }
697
698 // Safety
699 if (txt.getParent() == null) {
700 txt.setParent(frame);
701 }
702
703 Widget iw = null;
704
705 try {
706
707 iw = Widget.createWidget(txt);
708
709 } catch (InteractiveWidgetNotAvailableException e) {
710 e.printStackTrace();
711 MessageBay.errorMessage("Cannot create iWidget: " + e.getMessage());
712 } catch (InteractiveWidgetInitialisationFailedException e) {
713 e.printStackTrace();
714 MessageBay.errorMessage("Cannot create iWidget: " + e.getMessage());
715 } catch (IllegalArgumentException e) {
716 e.printStackTrace();
717 MessageBay.errorMessage("Cannot create iWidget: " + e.getMessage());
718 }
719
720 if (iw == null) {
721 return false;
722 }
723
724 frame.removeItem(txt, true, list);
725
726 frame.addAllItems(iw.getItems(), list);
727
728 if (userEdit) {
729 iw.onParentStateChanged(new ItemParentStateChangedEvent(frame, ItemParentStateChangedEvent.EVENT_TYPE_SHOWN));
730 }
731
732 return true;
733 }
734
735 private static boolean createWidgetInBody(Frame frame, Text txt) {
736 return createWidget(frame, txt, frame.getBody(false), false);
737 }
738
739 public static List<String> ParseProfile(Frame profile) {
740 List<String> errors = new LinkedList<String>();
741
742 if (profile == null) {
743 return errors;
744 }
745
746 if (profile.getFramesetName().equals(UserSettings.DEFAULT_PROFILE_NAME)) {
747 return errors;
748 }
749
750 /*
751 * Make sure the correct cursor shows when turning off the custom cursor and
752 * reparsing the profile frame
753 */
754 FreeItems.getCursor().clear();
755 DisplayController.setCursor(Item.HIDDEN_CURSOR);
756 DisplayController.setCursor(Item.DEFAULT_CURSOR);
757
758 // check for settings tags
759 for (Text item : profile.getBodyTextItems(true)) {
760 try {
761
762 AttributeValuePair avp = new AttributeValuePair(item.getText());
763 String attributeFullCase = avp.getAttributeOrValue();
764
765 if (attributeFullCase == null) {
766 continue;
767 }
768
769 String attribute = attributeFullCase.trim().toLowerCase().replaceAll("^@", "");
770
771 if (attribute.equals("settings")) {
772 Settings.parseSettings(item);
773 }
774
775 } catch (Exception e) {
776 if (e.getMessage() != null) {
777 errors.add(e.getMessage());
778 } else {
779 e.printStackTrace();
780 errors.add("Error parsing [" + item.getText() + "] on " + profile.getName());
781 }
782 }
783 }
784
785 // Tell the resource manager that it needs to refresh its context.
786 ResourceManager.invalidateAllResourceDirectories();
787
788 return errors;
789 }
790
791 /**
792 * Sets the first frame to be displayed.
793 *
794 * @param profile
795 */
796 public static void loadFirstFrame(Frame profile) {
797 if (UserSettings.HomeFrame.get() == null) {
798 UserSettings.HomeFrame.set(profile.getName());
799 }
800
801 Frame firstFrame = FrameIO.LoadFrame(UserSettings.HomeFrame.get());
802 if (firstFrame == null) {
803 MessageBay.warningMessage("Home frame not found: " + UserSettings.HomeFrame);
804 UserSettings.HomeFrame.set(profile.getName());
805 DisplayController.setCurrentFrame(profile, true);
806 } else {
807 DisplayController.setCurrentFrame(firstFrame, true);
808 }
809 }
810
811 public static Colour[] getColorWheel(Frame frame) {
812 if (frame != null) {
813 List<Text> textItems = frame.getBodyTextItems(false);
814 Colour[] colorList = new Colour[textItems.size() + 1];
815 for (int i = 0; i < textItems.size(); i++) {
816 colorList[i] = textItems.get(i).getColor();
817 }
818 // Make the last item transparency or default for forecolor
819 colorList[colorList.length - 1] = null;
820
821 return colorList;
822 }
823 return new Colour[] { Colour.BLACK, Colour.WHITE, null };
824 }
825
826 public static String getLink(Item item, String alt) {
827 if (item == null || !(item instanceof Text)) {
828 return alt;
829 }
830
831 AttributeValuePair avp = new AttributeValuePair(item.getText());
832 assert (avp != null);
833
834 if (avp.hasPair() && avp.getValue().trim().length() != 0) {
835 item.setLink(avp.getValue());
836 return avp.getValue();
837 } else if (item.getLink() != null) {
838 return item.getAbsoluteLink();
839 }
840
841 return alt;
842 }
843
844 public static String getDir(String name) {
845 if (name != null) {
846 File tester = new File(name);
847 if (tester.exists() && tester.isDirectory()) {
848 if (name.endsWith(File.separator)) {
849 return name;
850 } else {
851 return name + File.separator;
852 }
853 } else {
854 throw new RuntimeException("Directory not found: " + name);
855 }
856 }
857 throw new RuntimeException("Missing value for profile attribute" + name);
858 }
859
860 public static List<String> getDirs(Item item) {
861 List<String> dirsToAdd = new ArrayList<String>();
862 String currentFramesetFlag = ResourceUtil.CURRENT_FRAMESET_FLAG;
863 boolean need_file_sep_replace = (!File.separator.equals("/"));
864
865 String dirListFrameName = item.getAbsoluteLink();
866 if (dirListFrameName == null) {
867 return dirsToAdd;
868 }
869 Frame dirListFrame = FrameIO.LoadFrame(dirListFrameName);
870 if (dirListFrame == null) {
871 return dirsToAdd;
872 }
873
874 List<Text> bodyTextItems = dirListFrame.getBodyTextItems(false);
875 for (Text t: bodyTextItems) {
876 String dirName = t.getText().trim();
877
878 if (need_file_sep_replace) {
879 dirName = dirName.replace("/",File.separator);
880 }
881
882 boolean isSpecialCase = dirName.startsWith(currentFramesetFlag);
883 File filePath = Paths.get(FrameIO.PARENT_FOLDER).resolve(dirName).toFile();
884 boolean locationExists = filePath.exists() && filePath.isDirectory();
885 //if (isSpecialCase || locationExists) {
886 if (dirName.endsWith(File.separator)) {
887 dirsToAdd.add(dirName);
888 } else {
889 dirsToAdd.add(dirName + File.separator);
890 }
891 //}
892 }
893
894 return dirsToAdd;
895 }
896
897 private static void transformOutOfPlaceItems(Frame toParse, ItemsList toTransform, boolean sendWidgetVisible) {
898 // Get all items from toTransform that have not been marked as deleted.
899 List<Item> items = toParse.getItems(false, toTransform);
900
901 // if XRayMode is on, replace pictures with their underlying text
902 if (DisplayController.isXRayMode()) {
903
904 // BROOK: Must handle these a little different
905 List<Widget> widgets = toParse.getInteractiveWidgets();
906
907 for (Item i : items) {
908 if (i instanceof XRayable) {
909 toParse.removeItem(i, true, toTransform);
910 // Show the items
911 for (Item item : ((XRayable) i).getConnected()) {
912 item.setVisible(true);
913 item.removeEnclosure(i);
914 }
915 } else if (i instanceof WidgetCorner) {
916 toParse.removeItem(i, true, toTransform);
917 } else if (i instanceof WidgetEdge) {
918 toParse.removeItem(i, true, toTransform);
919 } else if (i.hasFormula()) {
920 i.setText(i.getFormula());
921 } else if (i.hasOverlay()) {
922 i.setVisible(true);
923 // int x = i.getBoundsHeight();
924 }
925 }
926
927 for (Widget iw : widgets) {
928 toParse.addItem(iw.getSource(), true, toTransform);
929 }
930 }
931
932
933 // disable reading of cached overlays if in twinframes mode
934 if (DisplayController.isTwinFramesOn()) {
935 FrameIO.SuspendCache();
936 }
937
938 toParse.clearAnnotations();
939
940 // check for any new overlay items
941 items = toParse.getItems(false, toTransform);
942 for (Item i : items) {
943 try {
944 if (i instanceof WidgetCorner) {
945 // TODO improve efficiency so it only updates once... using
946 // observer design pattern
947 i.update();
948 } else if (i instanceof Text) {
949 if (!DisplayController.isXRayMode() && i.isAnnotation()) {
950 if (ItemUtils.startsWithTag(i, ItemUtils.TAG_IMAGE, true)) {
951 if (!i.hasEnclosures()) {
952 createPicture(toParse, (Text) i, toTransform);
953 }
954 // check for frame images
955 } else if (ItemUtils.startsWithTag(i, ItemUtils.TAG_FRAME_IMAGE) && i.getLink() != null
956 && !i.getAbsoluteLink().equalsIgnoreCase(toParse.getName())) {
957 XRayable image = null;
958 if (i.hasEnclosures()) {
959 // i.setHidden(true);
960 // image =
961 // i.getEnclosures().iterator().next();
962 // image.refresh();
963 } else {
964 image = new FrameImage((Text) i, null);
965 }
966 // TODO Add the image when creating new
967 // FrameImage
968 toParse.addItem(image, true, toTransform);
969 } else if (ItemUtils.startsWithTag(i, ItemUtils.TAG_BITMAP_IMAGE) && i.getLink() != null
970 && !i.getAbsoluteLink().equalsIgnoreCase(toParse.getName())) {
971 XRayable image = null;
972 if (i.hasEnclosures()) {
973 // image =
974 // i.getEnclosures().iterator().next();
975 // image.refresh();
976 // i.setHidden(true);
977 } else {
978 // If a new bitmap is created for a
979 // frame which already has a bitmap dont
980 // recreate the bitmap
981 image = new FrameBitmap((Text) i, null);
982 }
983 toParse.addItem(image, true, toTransform);
984 } else if (ItemUtils.startsWithTag(i, "@c")) {
985 // Can only have a @c
986 if (!i.hasEnclosures() && i.getLines().size() == 1) {
987 Circle circle = new Circle((Text) i);
988 toParse.addItem(circle, true, toTransform);
989 }
990 // Check for JSItem
991 } else if (ItemUtils.startsWithTag(i, "@js")) {
992 JSItem jsItem = new JSItem((Text) i);
993 toParse.addItem(jsItem, true, toTransform);
994 // Check for interactive widgets
995 } else if (ItemUtils.startsWithTag(i, ItemUtils.TAG_IWIDGET)) {
996 createWidget(toParse, (Text) i, toTransform, sendWidgetVisible);
997 }
998
999 // TODO decide exactly what to do here!!
1000 toParse.addAnnotation((Text) i);
1001 } else if (!DisplayController.isXRayMode() && i.hasFormula()) {
1002 i.calculate(i.getFormula());
1003 }
1004 }
1005 } catch (Exception e) {
1006 Logger.Log(e);
1007 e.printStackTrace();
1008 System.err.println("**** Have temporarily supressed MessageBay call, "
1009 + "as resulted in infinite recursion");
1010 // MessageBay.warningMessage("Exception occured when loading " +
1011 // i.getClass().getSimpleName() + "(ID: "
1012 // + i.getID() + ") " + e.getMessage() != null ? e.getMessage() : "");
1013 }
1014 }
1015
1016 /*
1017 * for (Item i : items) { if (i instanceof Dot) { ((Dot)
1018 * i).setPointType(pointtype); ((Dot) i).useFilledPoints(filledPoints); } }
1019 */
1020
1021 if (DisplayController.isTwinFramesOn()) {
1022 FrameIO.ResumeCache();
1023 }
1024
1025
1026 }
1027
1028 private static void generatingSupportingItems(Frame toParse,
1029 ItemsList toBuildOff, boolean ignoreAnnotations) {
1030 // Get all items from toBuildOff that have not been marked as deleted.
1031 List<Item> items = toParse.getItems(false, toBuildOff);
1032
1033 List<Overlay> overlays = new ArrayList<Overlay>();
1034 List<Vector> vectors = new ArrayList<Vector>();
1035
1036 // disable reading of cached overlays if in twinframes mode
1037 if (DisplayController.isTwinFramesOn()) {
1038 FrameIO.SuspendCache();
1039 }
1040
1041 UserAppliedPermission permission = toParse.getUserAppliedPermission();
1042 // check for any new overlay items
1043 for (Item i : items) {
1044 try {
1045 // reset overlay permission
1046 i.setOverlayPermission(null);
1047 if (i instanceof Text) {
1048 if (i.isAnnotation()) {
1049 if (!DisplayController.isXRayMode() && ItemUtils.startsWithTag(i, ItemUtils.TAG_VECTOR)
1050 && i.getLink() != null) {
1051 if (!i.getAbsoluteLink().equals(toParse.getName())) {
1052 addVector(vectors, UserAppliedPermission.none, permission, i);
1053 }
1054 } else if (!DisplayController.isXRayMode()
1055 && ItemUtils.startsWithTag(i, ItemUtils.TAG_ACTIVE_VECTOR) && i.getLink() != null) {
1056 if (!i.getAbsoluteLink().equals(toParse.getName())) {
1057 addVector(vectors, UserAppliedPermission.followLinks, permission, i);
1058 }
1059 }
1060 // check for new OVERLAY items
1061 else if (!ignoreAnnotations && ItemUtils.startsWithTag(i, ItemUtils.TAG_OVERLAY)
1062 && i.getLink() != null) {
1063 if (i.getAbsoluteLink().equalsIgnoreCase(toParse.getName())) {
1064 // This frame contains an active overlay which
1065 // points to itself
1066 MessageBay.errorMessage(toParse.getName() + " contains an @o which links to itself");
1067 continue;
1068 }
1069
1070 Frame overlayFrame = FrameIO.LoadFrame(i.getAbsoluteLink());
1071 // Parse(overlay);
1072 if (overlayFrame != null && Overlay.getOverlay(overlays, overlayFrame) == null) {
1073 overlays.add(new Overlay(overlayFrame, UserAppliedPermission.none));
1074 }
1075 }
1076 // check for ACTIVE_OVERLAY items
1077 else if (!ignoreAnnotations && ItemUtils.startsWithTag(i, ItemUtils.TAG_ACTIVE_OVERLAY)
1078 && i.getLink() != null) {
1079 String link = i.getAbsoluteLink();
1080 if (link.equalsIgnoreCase(toParse.getName())) {
1081 // This frame contains an active overlay which
1082 // points to itself
1083 MessageBay.errorMessage(toParse.getName() + " contains an @ao which links to itself");
1084 continue;
1085 }
1086 Frame overlayFrame = null;
1087
1088 Frame current = DisplayController.getCurrentFrame();
1089 if (current != null) {
1090 for (Overlay o : current.getOverlays()) {
1091 if (o.Frame.getName().equalsIgnoreCase(link)) {
1092 overlayFrame = o.Frame;
1093 }
1094 }
1095 }
1096 if (overlayFrame == null) {
1097 overlayFrame = FrameIO.LoadFrame(link);
1098 }
1099
1100 // get level if specified
1101 String level = new AttributeValuePair(i.getText()).getValue();
1102 // default permission (if none is specified)
1103 PermissionTriple permissionLevel = new PermissionTriple(level,
1104 UserAppliedPermission.followLinks);
1105
1106 if (overlayFrame != null) {
1107 Overlay existingOverlay = Overlay.getOverlay(overlays, overlayFrame);
1108 // If it wasn't in the list create it and add
1109 // it.
1110 if (existingOverlay == null) {
1111 Overlay newOverlay = new Overlay(overlayFrame,
1112 permissionLevel.getPermission(overlayFrame.getOwner(), overlayFrame.getGroupMembers()));
1113 i.setOverlay(newOverlay);
1114 overlays.add(newOverlay);
1115 } else {
1116 existingOverlay.Frame.setPermission(permissionLevel);
1117 }
1118 }
1119 }
1120
1121 }
1122 }
1123 } catch (Exception e) {
1124 Logger.Log(e);
1125 e.printStackTrace();
1126 System.err.println("**** Have temporarily supressed MessageBay call, as resulted in infinite recursion");
1127 //MessageBay.warningMessage("Exception occured when loading " + i.getClass().getSimpleName() + "(ID: "
1128 // + i.getID() + ") " + e.getMessage() != null ? e.getMessage() : "");
1129 }
1130 }
1131
1132 /*
1133 * for (Item i : items) { if (i instanceof Dot) { ((Dot)
1134 * i).setPointType(pointtype); ((Dot) i).useFilledPoints(filledPoints); } }
1135 */
1136
1137 if (DisplayController.isTwinFramesOn()) {
1138 FrameIO.ResumeCache();
1139 }
1140
1141 toParse.clearOverlays();
1142 toParse.clearVectors();
1143 toParse.addAllOverlays(overlays);
1144 toParse.addAllVectors(vectors);
1145 }
1146
1147 public static void Parse(Frame toParse) {
1148 Parse(toParse, false);
1149 }
1150
1151 /**
1152 * Checks for any special Annotation items and updates the display as necessary.
1153 * Special Items: Images, overlays, sort.
1154 *
1155 */
1156 public static void Parse(Frame toParse, boolean firstParse) {
1157 Parse(toParse, firstParse, false, false);
1158 }
1159
1160 /**
1161 *
1162 * @param toParse
1163 * @param firstParse
1164 * @param ignoreAnnotations
1165 * used to prevent infinate loops such as when performing TDFC with
1166 * an ao tag linked to a frame with an frameImage of a frame which
1167 * also has an ao tag on it.
1168 * @param userEdit TODO
1169 */
1170 public static void Parse(Frame toParse, boolean firstParse, boolean ignoreAnnotations, boolean userEdit) {
1171 List<String> accessList = Label.getAccessibleLabelsNames(toParse.getPrimaryBody());
1172
1173 ItemsList primaries = toParse.getPrimaryBody();
1174 ItemsList surrogates = toParse.getSurrogateBody();
1175
1176 transformOutOfPlaceItems(toParse, primaries, userEdit);
1177 transformOutOfPlaceItems(toParse, surrogates, userEdit);
1178
1179 toParse.getInteractableItems().clear();
1180 List<Item> newBody = parseFromPrimary(primaries, accessList);
1181 toParse.setBody(newBody, accessList);
1182 generatingSupportingItems(toParse, toParse.getBody(false), ignoreAnnotations);
1183
1184 if (firstParse) {
1185 ItemUtils.EnclosedCheck(toParse.getSortedItems());
1186 }
1187 }
1188
1189 private static List<Item> parseFromPrimary(ItemsList primaryBody, List<String> access) {
1190 List<Item> parsedBody = new ArrayList<Item>();
1191
1192 for (Item item: primaryBody) {
1193
1194 if (item instanceof XRayable && !((XRayable) item).sourceIsAccessible()) {
1195 item = ((XRayable) item).getSource();
1196 }
1197
1198 String encryptionLabel = item.getEncryptionLabel();
1199 if (encryptionLabel == null || encryptionLabel.isEmpty()) {
1200 parsedBody.add(item);
1201 } else if (access.contains(encryptionLabel)) {
1202 parsedBody.add(item);
1203 } else {
1204 parsedBody.addAll(item.getSurrogates());
1205 }
1206 }
1207
1208 return parsedBody;
1209 }
1210
1211 /**
1212 * TODO: Comment. cts16
1213 *
1214 * @param vectors
1215 * @param permission
1216 * @param i
1217 */
1218 private static void addVector(List<Vector> vectors, UserAppliedPermission defaultPermission,
1219 UserAppliedPermission framePermission, Item i) {
1220 // TODO It is possible to get into an infinite loop if a
1221 // frame contains an @ao which leads to a frame with an
1222 // @v which points back to the frame with the @ao
1223 Frame vector = FrameIO.LoadFrame(i.getAbsoluteLink());
1224
1225 // Get the permission from off the vector frame
1226 UserAppliedPermission vectorPermission = UserAppliedPermission
1227 .getPermission(vector.getAnnotationValue("permission"), defaultPermission);
1228
1229 // If the frame permission is lower, use that
1230 vectorPermission = UserAppliedPermission.min(vectorPermission, framePermission);
1231
1232 // Highest permissable permission for vectors is copy
1233 vectorPermission = UserAppliedPermission.min(vectorPermission, UserAppliedPermission.copy);
1234 if (vector != null) {
1235 String scaleString = new AttributeValuePair(i.getText()).getValue();
1236 Float scale = 1F;
1237 try {
1238 scale = Float.parseFloat(scaleString);
1239 } catch (Exception e) {
1240 }
1241 Vector newVector = new Vector(vector, vectorPermission, scale, i);
1242 i.setOverlay(newVector);
1243 i.setVisible(false);
1244 vectors.add(newVector);
1245 }
1246 }
1247
1248 public static Item onItem(float floatX, float floatY, boolean changeLastEdited) {
1249 return onItem(DisplayController.getCurrentFrame(), floatX, floatY, changeLastEdited);
1250 }
1251
1252 /**
1253 * Searches through the list of items on this frame to find one at the given x,y
1254 * coordinates.
1255 *
1256 * @param x
1257 * The x coordinate
1258 * @param y
1259 * The y coordinate
1260 * @return The Item at the given coordinates, or NULL if none is found.
1261 */
1262 public static Item onItem(Frame toCheck, float floatX, float floatY, boolean bResetLastEdited) {
1263 // System.out.println("MouseX: " + floatX + " MouseY: " + floatY);
1264 int x = Math.round(floatX);
1265 int y = Math.round(floatY);
1266 if (toCheck == null) {
1267 return null;
1268 }
1269
1270 List<Item> possibles = new ArrayList<Item>(0);
1271
1272 // if the mouse is in the message area
1273 if (y >= DisplayController.getMessageBayPaintArea().getMinY()) {
1274 // check the individual bay items (MessageBay + MailBay)
1275 List<Item> bayItems = new LinkedList<Item>();
1276 if (DisplayController.isMailMode()) {
1277 bayItems.addAll(MailBay.getPreviewMessages());
1278 } else {
1279 bayItems.addAll(MessageBay.getMessages());
1280 }
1281 for (Item message : bayItems) {
1282 if (message != null) {
1283 if (message.contains(new Point(x, y))) {
1284 message.setOverlayPermission(UserAppliedPermission.copy);
1285 possibles.add(message);
1286 } else {
1287 // Not sure why but if the line below is removed then
1288 // several items can be highlighted at once
1289 message.setHighlightMode(Item.HighlightMode.None);
1290 message.setHighlightColorToDefault();
1291 }
1292 }
1293 }
1294
1295 // check the link to the message/mail frame
1296 Item[] linkItems = DisplayController.isMailMode() ? new Item[] { MailBay.getMailLink(), MailBay.getCheckMailAction() } : new Item[] { MessageBay.getMessageLink() };
1297 for (Item linkItem: linkItems) {
1298 if (linkItem != null && linkItem.contains(new Point(x, y))) {
1299 linkItem.setOverlayPermission(UserAppliedPermission.copy);
1300 possibles.add(linkItem);
1301 }
1302 }
1303
1304 // this is taken into account in contains
1305 // y -= FrameGraphics.getMaxFrameSize().height;
1306 // otherwise, the mouse is on the frame
1307 } else {
1308 if (LastEdited != null) {
1309 if (LastEdited.contains(x, y) && !FreeItems.getInstance().contains(LastEdited)
1310 && LastEdited.getParent() == DisplayController.getCurrentFrame()
1311 && LastEdited.getParent().getSortedItems().contains(LastEdited)) {
1312 LastEdited.setOverlayPermission(UserAppliedPermission.full);
1313 return LastEdited;
1314 } else if (bResetLastEdited) {
1315 setLastEdited(null);
1316 }
1317 }
1318 ArrayList<Item> checkList = new ArrayList<Item>();
1319 checkList.addAll(toCheck.getInteractableItems());
1320 checkList.add(toCheck.getNameItem());
1321
1322 for (Item i : checkList) {
1323
1324 // do not check annotation items in audience mode
1325 // TODO: Upon hover of Rubbish Bin, Undo and Restore Widgets, flickering occurs
1326 // depending on the mouse distance from a corner. Resolve this.
1327 if (i.isVisible() && !(DisplayController.isAudienceMode() && i.isAnnotation())) {
1328 if (i instanceof WidgetCorner) {
1329 WidgetCorner wc = (WidgetCorner) i;
1330 if (wc.getWidgetSource() instanceof ButtonWidget) {
1331 ButtonWidget bw = (ButtonWidget) wc.getWidgetSource();
1332
1333 if (bw.getdropInteractableStatus() == true) {
1334 Widget iw = wc.getWidgetSource();
1335
1336 if (iw.getBounds().contains(x, y)) {
1337
1338 if (!FreeItems.getInstance().contains(i)) {
1339 possibles.add(i);
1340 }
1341 }
1342 }
1343 }
1344 }
1345
1346 if (i.contains(new Point(x, y))) {
1347 if (!FreeItems.getInstance().contains(i)) {
1348 possibles.add(i);
1349 }
1350 }
1351
1352 }
1353 }
1354 }
1355
1356 // if there are no possible items, return null
1357 if (possibles.size() == 0) {
1358 return null;
1359 }
1360
1361 // if there is only one possibility, return it
1362 if (possibles.size() == 1) {
1363 return possibles.get(0);
1364 }
1365
1366 // return closest x,y pair to mouse
1367 Item closest = possibles.get(0);
1368 int distance = (int) Math.round(
1369 Math.sqrt(Math.pow(Math.abs(closest.getX() - x), 2) + Math.pow(Math.abs(closest.getY() - y), 2)));
1370
1371 for (Item i : possibles) {
1372 int d = (int) Math
1373 .round(Math.sqrt(Math.pow(Math.abs(i.getX() - x), 2) + Math.pow(Math.abs(i.getY() - y), 2)));
1374
1375 // System.out.println(d);
1376 if (d <= distance) {
1377 distance = d;
1378
1379 // dots take precedence over lines
1380 if ((!(closest instanceof Dot && i instanceof Line))
1381 && (!(closest instanceof Text && i instanceof Line))) {
1382 closest = i;
1383 }
1384
1385 }
1386
1387 }
1388
1389 return closest;
1390 }
1391
1392 /**
1393 * Checks if the mouse is currently over an item.
1394 *
1395 * @return True if the mouse is over any item, false otherwise.
1396 */
1397 public static boolean hasCurrentItem() {
1398 return getCurrentItem() != null;
1399 }
1400
1401 public synchronized static Item getCurrentItem() {
1402 return onItem(DisplayController.getCurrentFrame(), DisplayController.getMouseX(), DisplayController.getMouseY(),
1403 true);
1404 }
1405
1406 public static PolygonBounds getEnlosingPolygon() {
1407 Collection<Item> enclosure = getEnclosingLineEnds();
1408
1409 if (enclosure == null || enclosure.size() == 0) {
1410 return null;
1411 }
1412
1413 return enclosure.iterator().next().getEnclosedShape();
1414 }
1415
1416 /**
1417 *
1418 * @param currentItem
1419 * @return
1420 */
1421 public static Collection<Item> getCurrentItems() {
1422 return getCurrentItems(getCurrentItem());
1423 }
1424
1425 public static Collection<Item> getCurrentItems(Item currentItem) {
1426 Collection<Item> enclosure = getEnclosingLineEnds();
1427
1428 if (enclosure == null || enclosure.size() == 0) {
1429 return null;
1430 }
1431
1432 Item firstItem = enclosure.iterator().next();
1433
1434 Collection<Item> enclosed = getItemsEnclosedBy(DisplayController.getCurrentFrame(),
1435 firstItem.getEnclosedShape());
1436
1437 // Brook: enclosed widgets are to be fully enclosed, never partially
1438 /*
1439 * MIKE says: but doesn't this mean that widgets are treated differently from
1440 * ALL other object which only need to be partially enclosed to be picked up
1441 */
1442 List<Widget> enclosedWidgets = new LinkedList<Widget>();
1443 for (Item i : enclosed) {
1444 // Don't want to lose the highlighting from the current item
1445 if (i == currentItem || enclosure.contains(i)) {
1446 continue;
1447 }
1448 // Don't want to lose the highlighting of connected Dots
1449 // TODO: this code does nothing (perhaps the continue is meant for the outer
1450 // for loop?). cts16
1451 if (i instanceof Dot && i.getHighlightMode() == HighlightMode.Connected) {
1452 for (Line l : i.getLines()) {
1453 if (l.getOppositeEnd(i).getHighlightMode() == HighlightMode.Normal) {
1454 continue;
1455 }
1456 }
1457 }
1458
1459 if (i instanceof WidgetCorner) {
1460 if (!enclosedWidgets.contains(((WidgetCorner) i).getWidgetSource())) {
1461 enclosedWidgets.add(((WidgetCorner) i).getWidgetSource());
1462 }
1463 }
1464
1465 i.setHighlightMode(Item.HighlightMode.None);
1466 i.setHighlightColorToDefault();
1467 }
1468
1469 for (Widget iw : enclosedWidgets) {
1470 for (Item i : iw.getItems()) {
1471 if (!enclosed.contains(i)) {
1472 enclosed.add(i);
1473 }
1474 }
1475 }
1476
1477 return enclosed;
1478 }
1479
1480 /**
1481 * Gets the collection of Dot items that form the enclosure nearest to the
1482 * current mouse position.
1483 */
1484 public static Collection<Item> getEnclosingLineEnds() {
1485 return getEnclosingLineEnds(new Point(DisplayController.getMouseX(), DisplayController.getMouseY()));
1486 }
1487
1488 /**
1489 * Gets the collection of Dot items that form the enclosure nearest to the given
1490 * position.
1491 */
1492 public static Collection<Item> getEnclosingLineEnds(Point position) {
1493 // update enclosed shapes
1494 Frame current = DisplayController.getCurrentFrame();
1495 if (current == null) {
1496 return null;
1497 }
1498 List<Item> items = current.getSortedItems();
1499
1500 // Remove all items that are connected to freeItems
1501 List<Item> freeItems = new ArrayList<Item>(FreeItems.getInstance());
1502 while (freeItems.size() > 0) {
1503 Item item = freeItems.get(0);
1504 Collection<Item> connected = item.getAllConnected();
1505 items.removeAll(connected);
1506 freeItems.removeAll(connected);
1507 }
1508
1509 List<Item> used = new ArrayList<Item>(0);
1510
1511 while (items.size() > 0) {
1512 Item i = items.get(0);
1513 items.remove(i);
1514 if (i.isEnclosed()) {
1515 PolygonBounds p = i.getEnclosedShape();
1516 if (p.contains(position)) {
1517 used.add(i);
1518 items.removeAll(i.getEnclosingDots());
1519 }
1520 }
1521 }
1522
1523 if (used.size() == 0) {
1524 return null;
1525 }
1526
1527 // if there is only one possibility, return it
1528 if (used.size() == 1) {
1529 return used.get(0).getEnclosingDots();
1530 // otherwise, determine which polygon is closest to the cursor
1531 } else {
1532 Collections.sort(used, new Comparator<Item>() {
1533 @Override
1534 public int compare(Item d1, Item d2) {
1535 PolygonBounds p1 = d1.getEnclosedShape();
1536 PolygonBounds p2 = d2.getEnclosedShape();
1537
1538 int closest = Integer.MAX_VALUE;
1539 int close2 = Integer.MAX_VALUE;
1540
1541 int mouseX = DisplayController.getMouseX();
1542 int mouseY = DisplayController.getMouseY();
1543
1544 for (int i = 0; i < p1.getPointCount(); i++) {
1545 int diff = Math.abs(p1.getPoint(i).getX() - mouseX) + Math.abs(p1.getPoint(i).getY() - mouseY);
1546 int diff2 = Integer.MAX_VALUE;
1547
1548 if (i < p2.getPointCount()) {
1549 diff2 = Math.abs(p2.getPoint(i).getX() - mouseX) + Math.abs(p2.getPoint(i).getY() - mouseY);
1550 }
1551
1552 if (diff < Math.abs(closest)) {
1553 close2 = closest;
1554 closest = diff;
1555 } else if (diff < Math.abs(close2)) {
1556 close2 = diff;
1557 }
1558
1559 if (diff2 < Math.abs(closest)) {
1560 close2 = closest;
1561 closest = -diff2;
1562 } else if (diff2 < Math.abs(close2)) {
1563 close2 = diff2;
1564 }
1565 }
1566
1567 if (closest > 0 && close2 > 0) {
1568 return -10;
1569 }
1570
1571 if (closest < 0 && close2 < 0) {
1572 return 10;
1573 }
1574
1575 if (closest > 0) {
1576 return -10;
1577 }
1578
1579 return 10;
1580 }
1581
1582 });
1583
1584 return used.get(0).getEnclosingDots();
1585 }
1586 }
1587
1588 // TODO Remove this method!!
1589 // Can just getItemsWithin be used?
1590 public static Collection<Item> getItemsEnclosedBy(Frame frame, PolygonBounds poly) {
1591 Collection<Item> contained = frame.getItemsWithin(poly);
1592
1593 Collection<Item> results = new LinkedHashSet<Item>(contained.size());
1594
1595 // check for correct permissions
1596 for (Item item : contained) {
1597 // if the item is on the frame
1598 if (item.getParent() == frame || item.getParent() == null) {
1599 // item.Permission = Permission.full;
1600 results.add(item);
1601 // otherwise, it must be on an overlay frame
1602 } else {
1603 for (Overlay overlay : frame.getOverlays()) {
1604 if (overlay.Frame == item.getParent()) {
1605 item.setOverlayPermission(overlay.permission);
1606 results.add(item);
1607 break;
1608 }
1609 }
1610 }
1611 }
1612
1613 return results;
1614 }
1615
1616 public static void CreateDefaultProfile(String profileFor, Frame profile) {
1617 CreateDefaultProfile(profileFor, profile, null, null);
1618 }
1619
1620 /**
1621 * Copies the content from the default profile to the specified profile.
1622 * @param profileFor Name of profile that is destination of copy.
1623 * @param profile Profile being setup.
1624 * @param specifiedTextSettings text settings to provide a default value for in the new profile
1625 * @param specifiedGenericSettings generic settings to provide a default value for in the new profile
1626 */
1627 public static void CreateDefaultProfile(String profileFor, Frame profile,
1628 Map<String, Setting> specifiedSettings, Map<String, Consumer<Frame>> notifyWhenGenerated) {
1629 // If this is already the default profile then nothing (other than setting
1630 // title) needs to be done.
1631 Text titleItem = profile.getTitleItem();
1632 Text title = titleItem;
1633 if (!profileFor.equals(UserSettings.DEFAULT_PROFILE_NAME)) {
1634 // If this profile is not the default profile, copy it from the default profile
1635 // instead of generating a new profile
1636 // (this allows the possibility of modifying the default profile and having any
1637 // new profiles get those modifications)
1638 Frame defaultFrame = FrameIO.LoadProfile(UserSettings.DEFAULT_PROFILE_NAME);
1639 if (defaultFrame == null) {
1640 try {
1641 // If we do not have a default to copy, create one.
1642 String existingUsername = UserSettings.UserName.get();
1643 UserSettings.UserName.set("default");
1644 FrameIO.changeParentAndSubFolders(FrameIO.PARENT_FOLDER);
1645 UserSettings.setupDefaultFolders();
1646 defaultFrame = FrameIO.CreateNewDefaultProfile();
1647 UserSettings.UserName.set(existingUsername);
1648 FrameIO.changeParentAndSubFolders(FrameIO.PARENT_FOLDER);
1649 UserSettings.setupDefaultFolders();
1650 } catch (InvalidFramesetNameException invalidNameEx) {
1651 MessageBay.errorMessage("Failed to create default profile named: "
1652 + UserSettings.DEFAULT_PROFILE_NAME + ". "
1653 + "Profile names must start and end with a letter and must contain only letters and numbers.");
1654 return;
1655 } catch (ExistingFramesetException existingFramesetEx) {
1656 MessageBay.errorMessage("Failed to create the desired default frameset: "
1657 + UserSettings.DEFAULT_PROFILE_NAME + ", "
1658 + "because it already exists. This should never happen as we shouldn't be asking to create it if it already exists.");
1659 return;
1660 }
1661 }
1662
1663 MessageBay.suppressMessages(true);
1664 int lastNumber = FrameIO.getLastNumber(defaultFrame.getFramesetName());
1665 for (int i = 1; i <= lastNumber; i++) {
1666 // Load in next default, if it doesn't exist continue loop.
1667 defaultFrame = FrameIO.LoadFrame(defaultFrame.getFramesetName() + i);
1668 if (defaultFrame == null) {
1669 continue;
1670 }
1671
1672 // Create the next next (currently blank) profile frame.
1673 // If there is frame gaps in the default (say if there is no 4.exp but there is
1674 // a 5.exp) then retain those gaps.
1675 // This way copied relative links work.
1676 while (profile.getNumber() < defaultFrame.getNumber()) {
1677 profile = FrameIO.CreateFrame(profile.getFramesetName(), null, null);
1678 }
1679 // Ensure we are working from a blank slate.
1680 profile.reset();
1681 profile.removeAllItems(profile.getAllItems());
1682
1683 // For each item on defaultFrame:
1684 // 1. Set all items to be relatively linked so once copied their links correctly
1685 // point to the frame on the created profile rather than the default profile.
1686 // 2. Copy item from defaultFrame to the current profile frame being
1687 // constructed.
1688 // 3. Replace settings values of copied items with those specified in
1689 // specifiedSettings (if present)
1690 for (Item item : defaultFrame.getAllItems()) {
1691 item.setRelativeLink();
1692 }
1693 profile.addAllItems(defaultFrame.getAllItems());
1694 if (i == 1 && titleItem != null) {
1695 titleItem.setText(profileFor + "'s Profile");
1696 }
1697 String category = profile.getTitle();
1698 List<String> settingsKeys = null;
1699 if (specifiedSettings != null) {
1700 settingsKeys = specifiedSettings.keySet().stream().filter(key ->
1701 key.startsWith(category)).collect(Collectors.toList());
1702 }
1703 if (settingsKeys != null) {
1704 for (String key: settingsKeys) {
1705 Setting setting = specifiedSettings.get(key);
1706 String name = setting.getName();
1707 Text representation = setting.generateRepresentation(name, profile.getFramesetName());
1708 Collection<Text> canditates = profile.getTextItems();
1709 canditates.removeIf(text -> !text.getText().startsWith(representation.getText().split(" ")[0]));
1710 canditates.forEach(text -> {
1711 Point backupPos = text.getPosition();
1712 Item.DuplicateItem(representation, text);
1713 text.setText(representation.getText());
1714 text.setPosition(backupPos);
1715 });
1716 }
1717 }
1718 if (notifyWhenGenerated != null && notifyWhenGenerated.containsKey(category)) {
1719 notifyWhenGenerated.get(category).accept(profile);
1720 }
1721 FrameIO.SaveFrame(profile);
1722 }
1723 MessageBay.suppressMessages(false);
1724 }
1725 }
1726
1727 private static void checkTDFCItemWaiting(Frame currentFrame) {
1728 Item tdfcItem = FrameUtils.getTdfcItem();
1729 // if there is a TDFC Item waiting
1730 if (tdfcItem != null) {
1731 boolean change = currentFrame.hasChanged();
1732 boolean saved = currentFrame.isSaved();
1733 // Save the parent of the item if it has not been saved
1734 if (!change && !saved) {
1735 tdfcItem.setLink(null);
1736 tdfcItem.getParent().setChanged(true);
1737 FrameIO.SaveFrame(tdfcItem.getParent());
1738 DisplayController.requestRefresh(true);
1739 } else {
1740 SessionStats.CreatedFrame();
1741 }
1742
1743 setTdfcItem(null);
1744 }
1745 }
1746
1747 public static void setTdfcItem(Item _tdfcItem) {
1748 FrameUtils._tdfcItem = _tdfcItem;
1749 }
1750
1751 public static Item getTdfcItem() {
1752 return FrameUtils._tdfcItem;
1753 }
1754
1755 public static void setLastEdited(Text lastEdited) {
1756 // If the lastEdited is being changed then check if its @i
1757 Frame toReparse = null;
1758 Frame toRecalculate = null;
1759 Frame toUpdateObservers = null;
1760
1761 if (LastEdited == null) {
1762 // System.out.print("N");
1763 } else if (LastEdited != null) {
1764 // System.out.print("T");
1765 Frame parent = LastEdited.getParentOrCurrentFrame();
1766
1767 if (lastEdited != LastEdited) {
1768 if (LastEdited.startsWith("@i")) {
1769 // Check if its an image that can be resized to fit a box
1770 // around it
1771 String text = LastEdited.getText();
1772 if (text.startsWith("@i:") && !Character.isDigit(text.charAt(text.length() - 1))) {
1773 Collection<Item> enclosure = FrameUtils.getEnclosingLineEnds(LastEdited.getPosition());
1774 if (enclosure != null) {
1775 for (Item i : enclosure) {
1776 if (i.isLineEnd() && i.isEnclosed()) {
1777 DisplayController.getCurrentFrame().removeAllItems(enclosure);
1778 AxisAlignedBoxBounds rect = i.getEnclosedBox();
1779 LastEdited.setText(LastEdited.getText() + " " + Math.round(rect.getWidth()));
1780 LastEdited.setPosition(rect.getTopLeft());
1781 LastEdited.setThickness(i.getThickness());
1782 LastEdited.setBorderColor(i.getColor());
1783 break;
1784 }
1785 }
1786 StandardGestureActions.deleteItems(enclosure, false);
1787 }
1788 }
1789 toReparse = parent;
1790 } else if (LastEdited.recalculateWhenChanged()) {
1791 toRecalculate = parent;
1792 }
1793
1794 if (parent.hasObservers()) {
1795 toUpdateObservers = parent;
1796 }
1797 // Update the formula if in XRay mode
1798 if (DisplayController.isXRayMode() && LastEdited.hasFormula()) {
1799 LastEdited.setFormula(LastEdited.getText());
1800 }
1801 }
1802 if (lastEdited != LastEdited && LastEdited.getText().length() == 0 && LastEdited.getMinWidth() == null) {
1803 parent.removeItem(LastEdited);
1804 }
1805 }
1806 LastEdited = lastEdited;
1807
1808 if (!DisplayController.isXRayMode()) {
1809 if (toReparse != null) {
1810 Parse(toReparse, false, false, true);
1811 } else {
1812 if (toRecalculate != null) {
1813 toRecalculate.recalculate();
1814 }
1815
1816 if (toUpdateObservers != null) {
1817 toUpdateObservers.notifyObservers(false);
1818 }
1819 }
1820 }
1821 }
1822
1823 /**
1824 * Extracts files/folders from assets/resources-public and assets/resources-private
1825 * to {Expeditee Home}/resources-public and {Expeditee Home}/resources-private respectively.
1826 * @param force if true, resources will be extracted even ifthey have already been extracted before.
1827 */
1828 public static void extractResources(boolean force) {
1829 // Ensure groups area exists
1830 if (UserSettings.PublicAndPrivateResources) {
1831 // Extract private resources
1832 Path resourcesPrivate = Paths.get(FrameIO.PARENT_FOLDER).resolve("resources-private");
1833 extractResources("org/expeditee/assets/resources-private/", resourcesPrivate, force);
1834
1835 // Extract public resources
1836 Path resourcesPublic = Paths.get(FrameIO.PARENT_FOLDER).resolve("resources-public");
1837 extractResources("org/expeditee/assets/resources-public/", resourcesPublic, force);
1838 } else if (AuthenticatorBrowser.isAuthenticationRequired()) {
1839 // Deal with the instance of being in the old regime but using authentication.
1840
1841 // Ensure additional framesets
1842 Path framesetsDir = Paths.get(FrameIO.FRAME_PATH);
1843 boolean extracted = extractResources("org/expeditee/assets/resources-public/framesets/", framesetsDir, force);
1844
1845 // Ensure additional images
1846 Path imagesDir = Paths.get(FrameIO.IMAGES_PATH);
1847 extracted |= extractResources("org/expeditee/assets/resources-public/images/", imagesDir, force);
1848
1849 // Ensure deaddrops area exists
1850 extracted |= Paths.get(FrameIO.PARENT_FOLDER).resolve("deaddrops").toFile().mkdir();
1851
1852 if (extracted) {
1853 @SuppressWarnings("resource")
1854 Scanner in = new Scanner(System.in);
1855 System.out.println("Extracting resources...In order to use authentication, you need a new default profile frameset.");
1856 System.out.println("This is a destructive process, your existing default profile frameset (if it exists) will be deleted.");
1857 System.out.print("Do you want to proceed? y/N:");
1858 System.out.flush();
1859 String answer = in.nextLine();
1860 if (!answer.toLowerCase().startsWith("y")) {
1861 System.out.println("Exiting...");
1862 System.exit(1);
1863 }
1864
1865 // Ensure the default profile is 'update to date'.
1866 //NB: this limits the potential for those running old regime with authentication the ability to customise the default profile.
1867 Path defaultProfile = Paths.get(FrameIO.PROFILE_PATH).resolve("default");
1868 try {
1869 Files.walkFileTree(defaultProfile, new FileVisitor<Path>() {
1870 @Override
1871 public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
1872 dir.toFile().delete();
1873 return FileVisitResult.CONTINUE;
1874 }
1875 @Override
1876 public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
1877 return FileVisitResult.CONTINUE;
1878 }
1879 @Override
1880 public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
1881 file.toFile().delete();
1882 return FileVisitResult.CONTINUE;
1883 }
1884 @Override
1885 public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
1886 return FileVisitResult.CONTINUE;
1887 }
1888 });
1889 } catch (IOException e) {
1890 e.printStackTrace();
1891 }
1892 }
1893 }
1894 }
1895
1896 private static boolean extractResources(String source, Path destination, boolean force) {
1897 // If resources have already been extracted, and we are not forcing the extraction, there is nothing to do.
1898
1899 if (!force && destination.resolve(".res").toFile().exists()) {
1900 return false;
1901 }
1902
1903 System.out.println("Extracting/Installing resources to: " + destination.getFileName());
1904
1905 // Create the destination
1906 destination.getParent().toFile().mkdirs();
1907
1908 ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
1909 URL resourceUrl = classLoader.getResource(source);
1910
1911 if (resourceUrl.getProtocol().equals("jar")) {
1912 try {
1913 JarURLConnection ju_connection = (JarURLConnection) resourceUrl.openConnection();
1914 JarFile jf = ju_connection.getJarFile();
1915 Enumeration<JarEntry> jarEntries = jf.entries();
1916 extractFromJarFile(classLoader, jarEntries, source, destination);
1917 } catch (IOException e) {
1918 System.err.println("Error: FrameUtils::extractResources. Exception whilst extracting resources from Jar File. Message: " + e.getMessage());
1919 }
1920 } else if (resourceUrl.getProtocol().equals("bundleresource")) {
1921 try {
1922 URLConnection urlConnection = resourceUrl.openConnection();
1923 Class<?> c = urlConnection.getClass();
1924 java.lang.reflect.Method toInvoke = c.getMethod("getFileURL");
1925 URL fileURL = (URL) toInvoke.invoke(urlConnection);
1926 extractResourcesFromFolder(new File(fileURL.getPath()), source, destination);
1927 } catch (IOException e) {
1928 System.err.println("Error: FrameUtils::extractResources. Problem opening connection to bundleresource. Message: " + e.getMessage());
1929 } catch (NoSuchMethodException e) {
1930 System.err.println("Error: FrameUtils::extractResources. Unable to find method URLConnection::getFileURL. Message: " + e.getMessage());
1931 } catch (InvocationTargetException e) {
1932 System.err.println("Error: FrameUtils::extractResources. Problem invoking URLConnection::getFileURL. Message: " + e.getMessage());
1933 } catch (IllegalAccessException e) {
1934 System.err.println("Error: FrameUtils::extractResources. Problem invoking URLConnection::getFileURL. Message: " + e.getMessage());
1935 }
1936 } else {
1937 try {
1938 File folder = new File(resourceUrl.toURI().getPath());
1939 extractResourcesFromFolder(folder, source, destination);
1940 } catch (URISyntaxException e) {
1941 System.err.println("Error: FrameUtils::extractResources. Problem converting URL to URI. Message: " + e.getMessage());
1942 } catch (IOException e) {
1943 System.err.println("Error: FrameUtils::extractResources. Exception whilst extracting resources from folder. Message: " + e.getMessage());
1944 }
1945 }
1946
1947 // Create the .res file to signal completion
1948 try {
1949 destination.resolve(".res").toFile().createNewFile();
1950 } catch (IOException e) {
1951 System.err.println("Error: FrameUtils::extractResources. Unable to create the .res file to flag that resources have been extracted. Message: " + e.getMessage());
1952 }
1953
1954 return true;
1955 }
1956
1957 private static void extractFromJarFile(ClassLoader classLoader, Enumeration<JarEntry> jarEntries, String source, Path destination) throws IOException {
1958 while (jarEntries.hasMoreElements()) {
1959 ZipEntry ze = jarEntries.nextElement();
1960 if (!ze.getName().startsWith(source)) {
1961 continue;
1962 }
1963
1964 // Note:
1965 // 'source' needs to be specified as directory ending in a "/"
1966 // If it doesn't then 'ze_name_rel' incorrectly presents as an absolute name
1967 //
1968 // As this is a private method, the "/" requirement is considered a reasonable
1969 // requirement to ensure is applied within this class.
1970
1971 String ze_name = ze.getName();
1972 String ze_name_rel = ze_name.substring(source.length());
1973
1974 File out = destination.resolve(ze_name_rel).toFile();
1975
1976 if (ze.isDirectory()) {
1977 out.mkdirs();
1978 continue;
1979 }
1980 FileOutputStream fOut = null;
1981 InputStream fIn = null;
1982 try {
1983 fOut = new FileOutputStream(out);
1984 fIn = classLoader.getResourceAsStream(ze.getName());
1985 byte[] bBuffer = new byte[1024];
1986 int nLen;
1987 while ((nLen = fIn.read(bBuffer)) > 0) {
1988 fOut.write(bBuffer, 0, nLen);
1989 }
1990 fOut.flush();
1991 } catch (Exception e) {
1992 e.printStackTrace();
1993 } finally {
1994 if (fOut != null) {
1995 fOut.close();
1996 }
1997 if (fIn != null) {
1998 fIn.close();
1999 }
2000 }
2001 }
2002 }
2003
2004 private static void extractResourcesFromFolder(File folder, String source, Path destination) throws IOException {
2005 LinkedList<File> items = new LinkedList<File>();
2006 items.addAll(Arrays.asList(folder.listFiles()));
2007 LinkedList<File> files = new LinkedList<File>();
2008
2009 while (items.size() > 0) {
2010 File file = items.remove(0);
2011 if (file.isFile()) {
2012 if (!file.getName().contains(".svn")) {
2013 files.add(file);
2014 }
2015 } else {
2016 if (!file.getName().contains(".svn")) {
2017 items.addAll(Arrays.asList(file.listFiles()));
2018 }
2019 }
2020 }
2021 for (File file : files) {
2022 String path = file.getPath();
2023 System.out.println(path);
2024 Path relativize = folder.toPath().relativize(Paths.get(file.getPath()));
2025 File out = destination.resolve(relativize).toFile();
2026 copyFile(file, out, true);
2027 }
2028 }
2029
2030 /**
2031 * @param src
2032 * @param dst
2033 * @throws IOException
2034 */
2035 public static void copyFile(File src, File dst, boolean overWrite) throws IOException {
2036 if (!overWrite && dst.exists()) {
2037 return;
2038 }
2039
2040 dst.getParentFile().mkdirs();
2041 FileOutputStream fOut = null;
2042 FileInputStream fIn = null;
2043 try {
2044 // System.out.println(out.getPath());
2045 fOut = new FileOutputStream(dst);
2046 fIn = new FileInputStream(src);
2047 byte[] bBuffer = new byte[1024];
2048 int nLen;
2049 while ((nLen = fIn.read(bBuffer)) > 0) {
2050 fOut.write(bBuffer, 0, nLen);
2051 }
2052 fOut.flush();
2053 } catch (Exception e) {
2054 e.printStackTrace();
2055 } finally {
2056 if (fOut != null) {
2057 fOut.close();
2058 }
2059 if (fIn != null) {
2060 fIn.close();
2061 }
2062 }
2063 }
2064
2065 public static Text getLastEdited() {
2066 return LastEdited;
2067 }
2068
2069 public static Collection<Text> getCurrentTextItems() {
2070 Collection<Text> currentTextItems = new LinkedHashSet<Text>();
2071 Collection<Item> currentItems = getCurrentItems(null);
2072 if (currentItems != null) {
2073 for (Item i : getCurrentItems(null)) {
2074 if (i instanceof Text && !i.isLineEnd()) {
2075 currentTextItems.add((Text) i);
2076 }
2077 }
2078 }
2079 return currentTextItems;
2080 }
2081}
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