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comparison: eric7/Documentation/Source/eric7.Graphics.UMLGraphicsView.html

eric7/Documentation/Source/eric7.Graphics.UMLGraphicsView.html

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1 <!DOCTYPE html>
2 <html><head>
3 <title>eric7.Graphics.UMLGraphicsView</title>
4 <meta charset="UTF-8">
5 <style>
6 body {
7 background: #EDECE6;
8 margin: 0em 1em 10em 1em;
9 color: black;
10 }
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12 h1 { color: white; background: #85774A; }
13 h2 { color: white; background: #85774A; }
14 h3 { color: white; background: #9D936E; }
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19 </style>
20 </head>
21 <body>
22 <a NAME="top" ID="top"></a>
23 <h1>eric7.Graphics.UMLGraphicsView</h1>
24
25 <p>
26 Module implementing a subclass of EricGraphicsView for our diagrams.
27 </p>
28 <h3>Global Attributes</h3>
29
30 <table>
31 <tr><td>None</td></tr>
32 </table>
33 <h3>Classes</h3>
34
35 <table>
36
37 <tr>
38 <td><a href="#UMLGraphicsView">UMLGraphicsView</a></td>
39 <td>Class implementing a specialized EricGraphicsView for our diagrams.</td>
40 </tr>
41 </table>
42 <h3>Functions</h3>
43
44 <table>
45 <tr><td>None</td></tr>
46 </table>
47 <hr />
48 <hr />
49 <a NAME="UMLGraphicsView" ID="UMLGraphicsView"></a>
50 <h2>UMLGraphicsView</h2>
51
52 <p>
53 Class implementing a specialized EricGraphicsView for our diagrams.
54 </p>
55 <h3>Signals</h3>
56 <dl>
57
58 <dt>relayout()</dt>
59 <dd>
60 emitted to indicate a relayout of the diagram
61 is requested
62 </dd>
63 </dl>
64 <h3>Derived from</h3>
65 EricGraphicsView
66 <h3>Class Attributes</h3>
67
68 <table>
69 <tr><td>None</td></tr>
70 </table>
71 <h3>Class Methods</h3>
72
73 <table>
74 <tr><td>None</td></tr>
75 </table>
76 <h3>Methods</h3>
77
78 <table>
79
80 <tr>
81 <td><a href="#UMLGraphicsView.__init__">UMLGraphicsView</a></td>
82 <td>Constructor</td>
83 </tr>
84 <tr>
85 <td><a href="#UMLGraphicsView.__alignShapes">__alignShapes</a></td>
86 <td>Private slot to align the selected shapes.</td>
87 </tr>
88 <tr>
89 <td><a href="#UMLGraphicsView.__checkSizeActions">__checkSizeActions</a></td>
90 <td>Private slot to set the enabled state of the size actions.</td>
91 </tr>
92 <tr>
93 <td><a href="#UMLGraphicsView.__decHeight">__decHeight</a></td>
94 <td>Private method to handle the decrease height context menu entry.</td>
95 </tr>
96 <tr>
97 <td><a href="#UMLGraphicsView.__decWidth">__decWidth</a></td>
98 <td>Private method to handle the decrease width context menu entry.</td>
99 </tr>
100 <tr>
101 <td><a href="#UMLGraphicsView.__deleteShape">__deleteShape</a></td>
102 <td>Private method to delete the selected shapes from the display.</td>
103 </tr>
104 <tr>
105 <td><a href="#UMLGraphicsView.__incHeight">__incHeight</a></td>
106 <td>Private method to handle the increase height context menu entry.</td>
107 </tr>
108 <tr>
109 <td><a href="#UMLGraphicsView.__incWidth">__incWidth</a></td>
110 <td>Private method to handle the increase width context menu entry.</td>
111 </tr>
112 <tr>
113 <td><a href="#UMLGraphicsView.__initActions">__initActions</a></td>
114 <td>Private method to initialize the view actions.</td>
115 </tr>
116 <tr>
117 <td><a href="#UMLGraphicsView.__itemsBoundingRect">__itemsBoundingRect</a></td>
118 <td>Private method to calculate the bounding rectangle of the given items.</td>
119 </tr>
120 <tr>
121 <td><a href="#UMLGraphicsView.__printPreviewPrint">__printPreviewPrint</a></td>
122 <td>Private slot to generate a print preview.</td>
123 </tr>
124 <tr>
125 <td><a href="#UMLGraphicsView.__relayout">__relayout</a></td>
126 <td>Private slot to handle the re-layout context menu entry.</td>
127 </tr>
128 <tr>
129 <td><a href="#UMLGraphicsView.__rescan">__rescan</a></td>
130 <td>Private slot to handle the re-scan context menu entry.</td>
131 </tr>
132 <tr>
133 <td><a href="#UMLGraphicsView.__sceneChanged">__sceneChanged</a></td>
134 <td>Private slot called when the scene changes.</td>
135 </tr>
136 <tr>
137 <td><a href="#UMLGraphicsView.__setSize">__setSize</a></td>
138 <td>Private method to handle the set size context menu entry.</td>
139 </tr>
140 <tr>
141 <td><a href="#UMLGraphicsView.autoAdjustSceneSize">autoAdjustSceneSize</a></td>
142 <td>Public method to adjust the scene size to the diagram size.</td>
143 </tr>
144 <tr>
145 <td><a href="#UMLGraphicsView.event">event</a></td>
146 <td>Public method handling events.</td>
147 </tr>
148 <tr>
149 <td><a href="#UMLGraphicsView.filteredItems">filteredItems</a></td>
150 <td>Public method to filter a list of items.</td>
151 </tr>
152 <tr>
153 <td><a href="#UMLGraphicsView.findItem">findItem</a></td>
154 <td>Public method to find an UML item based on the ID.</td>
155 </tr>
156 <tr>
157 <td><a href="#UMLGraphicsView.findItemByName">findItemByName</a></td>
158 <td>Public method to find an UML item based on its name.</td>
159 </tr>
160 <tr>
161 <td><a href="#UMLGraphicsView.fromDict">fromDict</a></td>
162 <td>Public method to populate the class with data persisted by 'toDict()'.</td>
163 </tr>
164 <tr>
165 <td><a href="#UMLGraphicsView.gestureEvent">gestureEvent</a></td>
166 <td>Protected method handling gesture events.</td>
167 </tr>
168 <tr>
169 <td><a href="#UMLGraphicsView.getItemId">getItemId</a></td>
170 <td>Public method to get the ID to be assigned to an item.</td>
171 </tr>
172 <tr>
173 <td><a href="#UMLGraphicsView.initToolBar">initToolBar</a></td>
174 <td>Public method to populate a toolbar with our actions.</td>
175 </tr>
176 <tr>
177 <td><a href="#UMLGraphicsView.keyPressEvent">keyPressEvent</a></td>
178 <td>Protected method handling key press events.</td>
179 </tr>
180 <tr>
181 <td><a href="#UMLGraphicsView.parsePersistenceData">parsePersistenceData</a></td>
182 <td>Public method to parse persisted data.</td>
183 </tr>
184 <tr>
185 <td><a href="#UMLGraphicsView.printDiagram">printDiagram</a></td>
186 <td>Public slot called to print the diagram.</td>
187 </tr>
188 <tr>
189 <td><a href="#UMLGraphicsView.printPreviewDiagram">printPreviewDiagram</a></td>
190 <td>Public slot called to show a print preview of the diagram.</td>
191 </tr>
192 <tr>
193 <td><a href="#UMLGraphicsView.saveImage">saveImage</a></td>
194 <td>Public method to handle the save context menu entry.</td>
195 </tr>
196 <tr>
197 <td><a href="#UMLGraphicsView.selectItem">selectItem</a></td>
198 <td>Public method to select an item.</td>
199 </tr>
200 <tr>
201 <td><a href="#UMLGraphicsView.selectItems">selectItems</a></td>
202 <td>Public method to select the given items.</td>
203 </tr>
204 <tr>
205 <td><a href="#UMLGraphicsView.setDiagramName">setDiagramName</a></td>
206 <td>Public slot to set the diagram name.</td>
207 </tr>
208 <tr>
209 <td><a href="#UMLGraphicsView.setLayoutActionsEnabled">setLayoutActionsEnabled</a></td>
210 <td>Public method to enable or disable the layout related actions.</td>
211 </tr>
212 <tr>
213 <td><a href="#UMLGraphicsView.toDict">toDict</a></td>
214 <td>Public method to collect data to be persisted.</td>
215 </tr>
216 <tr>
217 <td><a href="#UMLGraphicsView.wheelEvent">wheelEvent</a></td>
218 <td>Protected method to handle wheel events.</td>
219 </tr>
220 </table>
221 <h3>Static Methods</h3>
222
223 <table>
224 <tr><td>None</td></tr>
225 </table>
226
227 <a NAME="UMLGraphicsView.__init__" ID="UMLGraphicsView.__init__"></a>
228 <h4>UMLGraphicsView (Constructor)</h4>
229 <b>UMLGraphicsView</b>(<i>scene, parent=None</i>)
230
231 <p>
232 Constructor
233 </p>
234 <dl>
235
236 <dt><i>scene</i> (QGraphicsScene)</dt>
237 <dd>
238 reference to the scene object
239 </dd>
240 <dt><i>parent</i> (QWidget)</dt>
241 <dd>
242 parent widget of the view
243 </dd>
244 </dl>
245 <a NAME="UMLGraphicsView.__alignShapes" ID="UMLGraphicsView.__alignShapes"></a>
246 <h4>UMLGraphicsView.__alignShapes</h4>
247 <b>__alignShapes</b>(<i>alignment</i>)
248
249 <p>
250 Private slot to align the selected shapes.
251 </p>
252 <dl>
253
254 <dt><i>alignment</i> (Qt.AlignmentFlag)</dt>
255 <dd>
256 alignment type
257 </dd>
258 </dl>
259 <a NAME="UMLGraphicsView.__checkSizeActions" ID="UMLGraphicsView.__checkSizeActions"></a>
260 <h4>UMLGraphicsView.__checkSizeActions</h4>
261 <b>__checkSizeActions</b>(<i></i>)
262
263 <p>
264 Private slot to set the enabled state of the size actions.
265 </p>
266 <a NAME="UMLGraphicsView.__decHeight" ID="UMLGraphicsView.__decHeight"></a>
267 <h4>UMLGraphicsView.__decHeight</h4>
268 <b>__decHeight</b>(<i></i>)
269
270 <p>
271 Private method to handle the decrease height context menu entry.
272 </p>
273 <a NAME="UMLGraphicsView.__decWidth" ID="UMLGraphicsView.__decWidth"></a>
274 <h4>UMLGraphicsView.__decWidth</h4>
275 <b>__decWidth</b>(<i></i>)
276
277 <p>
278 Private method to handle the decrease width context menu entry.
279 </p>
280 <a NAME="UMLGraphicsView.__deleteShape" ID="UMLGraphicsView.__deleteShape"></a>
281 <h4>UMLGraphicsView.__deleteShape</h4>
282 <b>__deleteShape</b>(<i></i>)
283
284 <p>
285 Private method to delete the selected shapes from the display.
286 </p>
287 <a NAME="UMLGraphicsView.__incHeight" ID="UMLGraphicsView.__incHeight"></a>
288 <h4>UMLGraphicsView.__incHeight</h4>
289 <b>__incHeight</b>(<i></i>)
290
291 <p>
292 Private method to handle the increase height context menu entry.
293 </p>
294 <a NAME="UMLGraphicsView.__incWidth" ID="UMLGraphicsView.__incWidth"></a>
295 <h4>UMLGraphicsView.__incWidth</h4>
296 <b>__incWidth</b>(<i></i>)
297
298 <p>
299 Private method to handle the increase width context menu entry.
300 </p>
301 <a NAME="UMLGraphicsView.__initActions" ID="UMLGraphicsView.__initActions"></a>
302 <h4>UMLGraphicsView.__initActions</h4>
303 <b>__initActions</b>(<i></i>)
304
305 <p>
306 Private method to initialize the view actions.
307 </p>
308 <a NAME="UMLGraphicsView.__itemsBoundingRect" ID="UMLGraphicsView.__itemsBoundingRect"></a>
309 <h4>UMLGraphicsView.__itemsBoundingRect</h4>
310 <b>__itemsBoundingRect</b>(<i>items</i>)
311
312 <p>
313 Private method to calculate the bounding rectangle of the given items.
314 </p>
315 <dl>
316
317 <dt><i>items</i> (list of UMLItem)</dt>
318 <dd>
319 list of items to operate on
320 </dd>
321 </dl>
322 <dl>
323 <dt>Return:</dt>
324 <dd>
325 bounding rectangle
326 </dd>
327 </dl>
328 <dl>
329 <dt>Return Type:</dt>
330 <dd>
331 QRectF
332 </dd>
333 </dl>
334 <a NAME="UMLGraphicsView.__printPreviewPrint" ID="UMLGraphicsView.__printPreviewPrint"></a>
335 <h4>UMLGraphicsView.__printPreviewPrint</h4>
336 <b>__printPreviewPrint</b>(<i>printer</i>)
337
338 <p>
339 Private slot to generate a print preview.
340 </p>
341 <dl>
342
343 <dt><i>printer</i> (QPrinter)</dt>
344 <dd>
345 reference to the printer object
346 </dd>
347 </dl>
348 <a NAME="UMLGraphicsView.__relayout" ID="UMLGraphicsView.__relayout"></a>
349 <h4>UMLGraphicsView.__relayout</h4>
350 <b>__relayout</b>(<i></i>)
351
352 <p>
353 Private slot to handle the re-layout context menu entry.
354 </p>
355 <a NAME="UMLGraphicsView.__rescan" ID="UMLGraphicsView.__rescan"></a>
356 <h4>UMLGraphicsView.__rescan</h4>
357 <b>__rescan</b>(<i></i>)
358
359 <p>
360 Private slot to handle the re-scan context menu entry.
361 </p>
362 <a NAME="UMLGraphicsView.__sceneChanged" ID="UMLGraphicsView.__sceneChanged"></a>
363 <h4>UMLGraphicsView.__sceneChanged</h4>
364 <b>__sceneChanged</b>(<i>areas</i>)
365
366 <p>
367 Private slot called when the scene changes.
368 </p>
369 <dl>
370
371 <dt><i>areas</i> (list of QRectF)</dt>
372 <dd>
373 list of rectangles that contain changes
374 </dd>
375 </dl>
376 <a NAME="UMLGraphicsView.__setSize" ID="UMLGraphicsView.__setSize"></a>
377 <h4>UMLGraphicsView.__setSize</h4>
378 <b>__setSize</b>(<i></i>)
379
380 <p>
381 Private method to handle the set size context menu entry.
382 </p>
383 <a NAME="UMLGraphicsView.autoAdjustSceneSize" ID="UMLGraphicsView.autoAdjustSceneSize"></a>
384 <h4>UMLGraphicsView.autoAdjustSceneSize</h4>
385 <b>autoAdjustSceneSize</b>(<i>limit=False</i>)
386
387 <p>
388 Public method to adjust the scene size to the diagram size.
389 </p>
390 <dl>
391
392 <dt><i>limit</i> (bool)</dt>
393 <dd>
394 flag indicating to limit the scene to the
395 initial size
396 </dd>
397 </dl>
398 <a NAME="UMLGraphicsView.event" ID="UMLGraphicsView.event"></a>
399 <h4>UMLGraphicsView.event</h4>
400 <b>event</b>(<i>evt</i>)
401
402 <p>
403 Public method handling events.
404 </p>
405 <dl>
406
407 <dt><i>evt</i> (QEvent)</dt>
408 <dd>
409 reference to the event
410 </dd>
411 </dl>
412 <dl>
413 <dt>Return:</dt>
414 <dd>
415 flag indicating, if the event was handled
416 </dd>
417 </dl>
418 <dl>
419 <dt>Return Type:</dt>
420 <dd>
421 bool
422 </dd>
423 </dl>
424 <a NAME="UMLGraphicsView.filteredItems" ID="UMLGraphicsView.filteredItems"></a>
425 <h4>UMLGraphicsView.filteredItems</h4>
426 <b>filteredItems</b>(<i>items, itemType=UMLItem</i>)
427
428 <p>
429 Public method to filter a list of items.
430 </p>
431 <dl>
432
433 <dt><i>items</i> (QGraphicsItem)</dt>
434 <dd>
435 list of items as returned by the scene object
436 </dd>
437 <dt><i>itemType</i> (class)</dt>
438 <dd>
439 type to be filtered
440 </dd>
441 </dl>
442 <dl>
443 <dt>Return:</dt>
444 <dd>
445 list of interesting collision items
446 </dd>
447 </dl>
448 <dl>
449 <dt>Return Type:</dt>
450 <dd>
451 QGraphicsItem
452 </dd>
453 </dl>
454 <a NAME="UMLGraphicsView.findItem" ID="UMLGraphicsView.findItem"></a>
455 <h4>UMLGraphicsView.findItem</h4>
456 <b>findItem</b>(<i>itemId</i>)
457
458 <p>
459 Public method to find an UML item based on the ID.
460 </p>
461 <dl>
462
463 <dt><i>itemId</i> (int)</dt>
464 <dd>
465 of the item to search for
466 </dd>
467 </dl>
468 <dl>
469 <dt>Return:</dt>
470 <dd>
471 item found or None
472 </dd>
473 </dl>
474 <dl>
475 <dt>Return Type:</dt>
476 <dd>
477 UMLItem
478 </dd>
479 </dl>
480 <a NAME="UMLGraphicsView.findItemByName" ID="UMLGraphicsView.findItemByName"></a>
481 <h4>UMLGraphicsView.findItemByName</h4>
482 <b>findItemByName</b>(<i>name</i>)
483
484 <p>
485 Public method to find an UML item based on its name.
486 </p>
487 <dl>
488
489 <dt><i>name</i> (str)</dt>
490 <dd>
491 name to look for
492 </dd>
493 </dl>
494 <dl>
495 <dt>Return:</dt>
496 <dd>
497 item found or None
498 </dd>
499 </dl>
500 <dl>
501 <dt>Return Type:</dt>
502 <dd>
503 UMLItem
504 </dd>
505 </dl>
506 <a NAME="UMLGraphicsView.fromDict" ID="UMLGraphicsView.fromDict"></a>
507 <h4>UMLGraphicsView.fromDict</h4>
508 <b>fromDict</b>(<i>version, data</i>)
509
510 <p>
511 Public method to populate the class with data persisted by 'toDict()'.
512 </p>
513 <dl>
514
515 <dt><i>version</i> (str)</dt>
516 <dd>
517 version of the data
518 </dd>
519 <dt><i>data</i> (dict)</dt>
520 <dd>
521 dictionary containing the persisted data
522 </dd>
523 </dl>
524 <dl>
525 <dt>Return:</dt>
526 <dd>
527 flag indicating success
528 </dd>
529 </dl>
530 <dl>
531 <dt>Return Type:</dt>
532 <dd>
533 bool
534 </dd>
535 </dl>
536 <a NAME="UMLGraphicsView.gestureEvent" ID="UMLGraphicsView.gestureEvent"></a>
537 <h4>UMLGraphicsView.gestureEvent</h4>
538 <b>gestureEvent</b>(<i>evt</i>)
539
540 <p>
541 Protected method handling gesture events.
542 </p>
543 <dl>
544
545 <dt><i>evt</i> (QGestureEvent)</dt>
546 <dd>
547 reference to the gesture event
548 </dd>
549 </dl>
550 <a NAME="UMLGraphicsView.getItemId" ID="UMLGraphicsView.getItemId"></a>
551 <h4>UMLGraphicsView.getItemId</h4>
552 <b>getItemId</b>(<i></i>)
553
554 <p>
555 Public method to get the ID to be assigned to an item.
556 </p>
557 <dl>
558 <dt>Return:</dt>
559 <dd>
560 item ID
561 </dd>
562 </dl>
563 <dl>
564 <dt>Return Type:</dt>
565 <dd>
566 int
567 </dd>
568 </dl>
569 <a NAME="UMLGraphicsView.initToolBar" ID="UMLGraphicsView.initToolBar"></a>
570 <h4>UMLGraphicsView.initToolBar</h4>
571 <b>initToolBar</b>(<i></i>)
572
573 <p>
574 Public method to populate a toolbar with our actions.
575 </p>
576 <dl>
577 <dt>Return:</dt>
578 <dd>
579 the populated toolBar
580 </dd>
581 </dl>
582 <dl>
583 <dt>Return Type:</dt>
584 <dd>
585 QToolBar
586 </dd>
587 </dl>
588 <a NAME="UMLGraphicsView.keyPressEvent" ID="UMLGraphicsView.keyPressEvent"></a>
589 <h4>UMLGraphicsView.keyPressEvent</h4>
590 <b>keyPressEvent</b>(<i>evt</i>)
591
592 <p>
593 Protected method handling key press events.
594 </p>
595 <dl>
596
597 <dt><i>evt</i> (QKeyEvent)</dt>
598 <dd>
599 reference to the key event
600 </dd>
601 </dl>
602 <a NAME="UMLGraphicsView.parsePersistenceData" ID="UMLGraphicsView.parsePersistenceData"></a>
603 <h4>UMLGraphicsView.parsePersistenceData</h4>
604 <b>parsePersistenceData</b>(<i>version, data</i>)
605
606 <p>
607 Public method to parse persisted data.
608 </p>
609 <dl>
610
611 <dt><i>version</i> (str)</dt>
612 <dd>
613 version of the data
614 </dd>
615 <dt><i>data</i> (list of str)</dt>
616 <dd>
617 persisted data to be parsed
618 </dd>
619 </dl>
620 <dl>
621 <dt>Return:</dt>
622 <dd>
623 tuple of flag indicating success (boolean) and faulty line
624 number
625 </dd>
626 </dl>
627 <dl>
628 <dt>Return Type:</dt>
629 <dd>
630 int
631 </dd>
632 </dl>
633 <a NAME="UMLGraphicsView.printDiagram" ID="UMLGraphicsView.printDiagram"></a>
634 <h4>UMLGraphicsView.printDiagram</h4>
635 <b>printDiagram</b>(<i></i>)
636
637 <p>
638 Public slot called to print the diagram.
639 </p>
640 <a NAME="UMLGraphicsView.printPreviewDiagram" ID="UMLGraphicsView.printPreviewDiagram"></a>
641 <h4>UMLGraphicsView.printPreviewDiagram</h4>
642 <b>printPreviewDiagram</b>(<i></i>)
643
644 <p>
645 Public slot called to show a print preview of the diagram.
646 </p>
647 <a NAME="UMLGraphicsView.saveImage" ID="UMLGraphicsView.saveImage"></a>
648 <h4>UMLGraphicsView.saveImage</h4>
649 <b>saveImage</b>(<i></i>)
650
651 <p>
652 Public method to handle the save context menu entry.
653 </p>
654 <a NAME="UMLGraphicsView.selectItem" ID="UMLGraphicsView.selectItem"></a>
655 <h4>UMLGraphicsView.selectItem</h4>
656 <b>selectItem</b>(<i>item</i>)
657
658 <p>
659 Public method to select an item.
660 </p>
661 <dl>
662
663 <dt><i>item</i> (QGraphicsItemItem)</dt>
664 <dd>
665 item to be selected
666 </dd>
667 </dl>
668 <a NAME="UMLGraphicsView.selectItems" ID="UMLGraphicsView.selectItems"></a>
669 <h4>UMLGraphicsView.selectItems</h4>
670 <b>selectItems</b>(<i>items</i>)
671
672 <p>
673 Public method to select the given items.
674 </p>
675 <dl>
676
677 <dt><i>items</i> (list of QGraphicsItemItem)</dt>
678 <dd>
679 list of items to be selected
680 </dd>
681 </dl>
682 <a NAME="UMLGraphicsView.setDiagramName" ID="UMLGraphicsView.setDiagramName"></a>
683 <h4>UMLGraphicsView.setDiagramName</h4>
684 <b>setDiagramName</b>(<i>name</i>)
685
686 <p>
687 Public slot to set the diagram name.
688 </p>
689 <dl>
690
691 <dt><i>name</i> (str)</dt>
692 <dd>
693 diagram name
694 </dd>
695 </dl>
696 <a NAME="UMLGraphicsView.setLayoutActionsEnabled" ID="UMLGraphicsView.setLayoutActionsEnabled"></a>
697 <h4>UMLGraphicsView.setLayoutActionsEnabled</h4>
698 <b>setLayoutActionsEnabled</b>(<i>enable</i>)
699
700 <p>
701 Public method to enable or disable the layout related actions.
702 </p>
703 <dl>
704
705 <dt><i>enable</i> (bool)</dt>
706 <dd>
707 flag indicating the desired enable state
708 </dd>
709 </dl>
710 <a NAME="UMLGraphicsView.toDict" ID="UMLGraphicsView.toDict"></a>
711 <h4>UMLGraphicsView.toDict</h4>
712 <b>toDict</b>(<i></i>)
713
714 <p>
715 Public method to collect data to be persisted.
716 </p>
717 <dl>
718 <dt>Return:</dt>
719 <dd>
720 dictionary containing data to be persisted
721 </dd>
722 </dl>
723 <dl>
724 <dt>Return Type:</dt>
725 <dd>
726 dict
727 </dd>
728 </dl>
729 <a NAME="UMLGraphicsView.wheelEvent" ID="UMLGraphicsView.wheelEvent"></a>
730 <h4>UMLGraphicsView.wheelEvent</h4>
731 <b>wheelEvent</b>(<i>evt</i>)
732
733 <p>
734 Protected method to handle wheel events.
735 </p>
736 <dl>
737
738 <dt><i>evt</i> (QWheelEvent)</dt>
739 <dd>
740 reference to the wheel event
741 </dd>
742 </dl>
743 <div align="right"><a href="#top">Up</a></div>
744 <hr />
745 </body></html>

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