1 | using System;
|
---|
2 | using System.Drawing;
|
---|
3 | using System.Collections.Generic;
|
---|
4 | using System.Text;
|
---|
5 | using System.Diagnostics;
|
---|
6 | using System.Windows.Forms;
|
---|
7 | using System.ComponentModel;
|
---|
8 | namespace Netron.Diagramming.Core
|
---|
9 | {
|
---|
10 | // ----------------------------------------------------------------------
|
---|
11 | /// <summary>
|
---|
12 | /// Implementation of the <see cref="IModel"/> interface; the 'database'
|
---|
13 | /// of the control.
|
---|
14 | /// </summary>
|
---|
15 | // ----------------------------------------------------------------------
|
---|
16 | public partial class Model :
|
---|
17 | IModel,
|
---|
18 | IDisposable
|
---|
19 | {
|
---|
20 | #region Events
|
---|
21 |
|
---|
22 | // ------------------------------------------------------------------
|
---|
23 | /// <summary>
|
---|
24 | /// Occurs when the current page has changed.
|
---|
25 | /// </summary>
|
---|
26 | // ------------------------------------------------------------------
|
---|
27 | public event CurrentPageChangedEventHandler OnCurrentPageChanged;
|
---|
28 |
|
---|
29 | /// <summary>
|
---|
30 | /// Occurs when an entity is removed from the model
|
---|
31 | /// </summary>
|
---|
32 | public event EventHandler<EntityEventArgs> OnEntityRemoved;
|
---|
33 | /// <summary>
|
---|
34 | /// Occurs when an entity is added to the model.
|
---|
35 | /// </summary>
|
---|
36 | public event EventHandler<EntityEventArgs> OnEntityAdded;
|
---|
37 | /// <summary>
|
---|
38 | /// Occurs when an element of the diagram requests a refresh of a region/rectangle of the canvas
|
---|
39 | /// </summary>
|
---|
40 | public event EventHandler<RectangleEventArgs> OnInvalidateRectangle;
|
---|
41 | /// <summary>
|
---|
42 | /// Occurs when an element of the diagram requests a refresh
|
---|
43 | /// </summary>
|
---|
44 | public event EventHandler OnInvalidate;
|
---|
45 | /// <summary>
|
---|
46 | /// Occurs when the ConnectionCollection has changed
|
---|
47 | /// </summary>
|
---|
48 | public event EventHandler<ConnectionCollectionEventArgs> OnConnectionCollectionChanged;
|
---|
49 | /// <summary>
|
---|
50 | /// Occurs when the cursor is changed and the surface is supposed to set the cursor accordingly.
|
---|
51 | /// </summary>
|
---|
52 | public event EventHandler<CursorEventArgs> OnCursorChange;
|
---|
53 | /// <summary>
|
---|
54 | /// Raises the <see cref="OnConnectionCollectionChanged"/> event
|
---|
55 | /// </summary>
|
---|
56 | /// <param name="e">ConnectionCollection event argument</param>
|
---|
57 | private void RaiseOnConnectionCollectionChanged(ConnectionCollectionEventArgs e)
|
---|
58 | {
|
---|
59 | EventHandler<ConnectionCollectionEventArgs> handler = OnConnectionCollectionChanged;
|
---|
60 | if (handler != null)
|
---|
61 | {
|
---|
62 | handler(this, e);
|
---|
63 | }
|
---|
64 | }
|
---|
65 |
|
---|
66 | public void RaiseOnCursorChange(Cursor cursor)
|
---|
67 | {
|
---|
68 | EventHandler<CursorEventArgs> handler = OnCursorChange;
|
---|
69 | if(handler != null)
|
---|
70 | handler(this, new CursorEventArgs(cursor));
|
---|
71 | }
|
---|
72 |
|
---|
73 | /// <summary>
|
---|
74 | /// Raises the on invalidate.
|
---|
75 | /// </summary>
|
---|
76 | public void RaiseOnInvalidate()
|
---|
77 | {
|
---|
78 | if (OnInvalidate != null)
|
---|
79 | OnInvalidate(this, EventArgs.Empty);
|
---|
80 | }
|
---|
81 | /// <summary>
|
---|
82 | /// Raises the OnInvalidateRectangle event.
|
---|
83 | /// </summary>
|
---|
84 | /// <param name="rectangle">The rectangle.</param>
|
---|
85 | public void RaiseOnInvalidateRectangle(Rectangle rectangle)
|
---|
86 | {
|
---|
87 | EventHandler<RectangleEventArgs> handler = OnInvalidateRectangle;
|
---|
88 | if (handler != null)
|
---|
89 | {
|
---|
90 | handler(this, new RectangleEventArgs(rectangle));
|
---|
91 | }
|
---|
92 | }
|
---|
93 | /// <summary>
|
---|
94 | /// Occurs when the bounding region (aka client-rectangle) of the canvas has changed
|
---|
95 | /// </summary>
|
---|
96 | public event EventHandler<RectangleEventArgs> OnRectangleChanged;
|
---|
97 | /// <summary>
|
---|
98 | /// Raises the <see cref="OnRectangleChanged"/> event.
|
---|
99 | /// </summary>
|
---|
100 | /// <param name="e"></param>
|
---|
101 | private void RaiseOnRectangleChanged(RectangleEventArgs e)
|
---|
102 | {
|
---|
103 | EventHandler<RectangleEventArgs> handler = OnRectangleChanged;
|
---|
104 | if (handler != null)
|
---|
105 | {
|
---|
106 | handler(this, e);
|
---|
107 | }
|
---|
108 | }
|
---|
109 | /// <summary>
|
---|
110 | /// Occurs when the diagram info (aka user metadata) has changed
|
---|
111 | /// </summary>
|
---|
112 | public event EventHandler<DiagramInformationEventArgs> OnDiagramInformationChanged;
|
---|
113 | /// <summary>
|
---|
114 | /// Raises the <see cref="OnDiagramInformationChanged"/> event.
|
---|
115 | /// </summary>
|
---|
116 | /// <param name="e"></param>
|
---|
117 | private void RaiseOnDiagramInformationChanged(DiagramInformationEventArgs e)
|
---|
118 | {
|
---|
119 | EventHandler<DiagramInformationEventArgs> handler = OnDiagramInformationChanged;
|
---|
120 | if (handler != null)
|
---|
121 | {
|
---|
122 | handler(this, e);
|
---|
123 | }
|
---|
124 | }
|
---|
125 |
|
---|
126 | /// <summary>
|
---|
127 | /// Occurs when the Ambience has changed
|
---|
128 | /// </summary>
|
---|
129 | public event EventHandler<AmbienceEventArgs> OnAmbienceChanged;
|
---|
130 | /// <summary>
|
---|
131 | /// Raises the <see cref="OnAmbienceChanged"/> event
|
---|
132 | /// </summary>
|
---|
133 | /// <param name="e"></param>
|
---|
134 | private void RaiseOnAmbienceChanged(AmbienceEventArgs e)
|
---|
135 | {
|
---|
136 | EventHandler<AmbienceEventArgs> handler = OnAmbienceChanged;
|
---|
137 | if (handler != null)
|
---|
138 | {
|
---|
139 | handler(this, e);
|
---|
140 | }
|
---|
141 | }
|
---|
142 |
|
---|
143 | /// <summary>
|
---|
144 | /// Raises the <see cref="OnEntityAdded"/> event
|
---|
145 | /// </summary>
|
---|
146 | /// <param name="e">The <see cref="T:Netron.Diagramming.Core.EntityEventArgs"/> instance containing the event data.</param>
|
---|
147 | private void RaiseOnEntityAdded(EntityEventArgs e)
|
---|
148 | {
|
---|
149 | EventHandler<EntityEventArgs> handler = OnEntityAdded;
|
---|
150 | if (handler != null)
|
---|
151 | {
|
---|
152 | handler(this, e);
|
---|
153 | }
|
---|
154 | }
|
---|
155 |
|
---|
156 | /// <summary>
|
---|
157 | /// Raises the <see cref="OnEntityRemoved"/> event.
|
---|
158 | /// </summary>
|
---|
159 | /// <param name="e">The <see cref="T:Netron.Diagramming.Core.EntityEventArgs"/> instance containing the event data.</param>
|
---|
160 | private void RaiseOnEntityRemoved(EntityEventArgs e)
|
---|
161 | {
|
---|
162 | EventHandler<EntityEventArgs> handler = OnEntityRemoved;
|
---|
163 | if (handler != null)
|
---|
164 | {
|
---|
165 | handler(this, e);
|
---|
166 | }
|
---|
167 | }
|
---|
168 |
|
---|
169 | // ------------------------------------------------------------------
|
---|
170 | /// <summary>
|
---|
171 | /// Raises the <see cref="OnCurrentPageChanged"/> event.
|
---|
172 | /// </summary>
|
---|
173 | /// <param name="e">PageEventArgs</param>
|
---|
174 | // ------------------------------------------------------------------
|
---|
175 | protected virtual void RaiseOnCurrentPageChanged(PageEventArgs e)
|
---|
176 | {
|
---|
177 | if (this.OnCurrentPageChanged != null)
|
---|
178 | {
|
---|
179 | OnCurrentPageChanged(this, e);
|
---|
180 | }
|
---|
181 | }
|
---|
182 |
|
---|
183 | #endregion
|
---|
184 |
|
---|
185 | #region Fields
|
---|
186 |
|
---|
187 | // ------------------------------------------------------------------
|
---|
188 | /// <summary>
|
---|
189 | /// Implementation of IVersion - the current version of
|
---|
190 | /// Model.
|
---|
191 | /// </summary>
|
---|
192 | // ------------------------------------------------------------------
|
---|
193 | protected const double modelVersion = 1.0;
|
---|
194 |
|
---|
195 | // ------------------------------------------------------------------
|
---|
196 | /// <summary>
|
---|
197 | /// Specifies if all shape's connectors are shown.
|
---|
198 | /// </summary>
|
---|
199 | // ------------------------------------------------------------------
|
---|
200 | protected bool mShowConnectors = true;
|
---|
201 |
|
---|
202 | private GraphicsUnit measurementUnits = GraphicsUnit.Pixel;
|
---|
203 | /// <summary>
|
---|
204 | /// the LayoutRoot field
|
---|
205 | /// </summary>
|
---|
206 | private IShape mLayoutRoot;
|
---|
207 | /// <summary>
|
---|
208 | /// the DefaultPage field
|
---|
209 | /// </summary>
|
---|
210 | [NonSerialized]
|
---|
211 | private IPage mDefaultPage;
|
---|
212 | /// <summary>
|
---|
213 | /// the page collection
|
---|
214 | /// </summary>
|
---|
215 | [NonSerialized]
|
---|
216 | private CollectionBase<IPage> mPages;
|
---|
217 | ///<summary>
|
---|
218 | /// the shapes of the diagram
|
---|
219 | /// </summary>
|
---|
220 | [NonSerialized]
|
---|
221 | private CollectionBase<IShape> mShapes;
|
---|
222 | /// <summary>
|
---|
223 | /// the bounding rectangle
|
---|
224 | /// </summary>
|
---|
225 | [NonSerialized]
|
---|
226 | private Rectangle mRectangle;
|
---|
227 | /// <summary>
|
---|
228 | /// the metadata of the diagram
|
---|
229 | /// </summary>
|
---|
230 | [NonSerialized]
|
---|
231 | private DocumentInformation mInformation;
|
---|
232 |
|
---|
233 | /// <summary>
|
---|
234 | /// the collection of to-be-painted diagram entities
|
---|
235 | /// </summary>
|
---|
236 | //[NonSerialized]
|
---|
237 | //private CollectionBase<IDiagramEntity> Paintables;
|
---|
238 | /// <summary>
|
---|
239 | /// the CurrentPage field
|
---|
240 | /// </summary>
|
---|
241 | [NonSerialized]
|
---|
242 | private IPage mCurrentPage;
|
---|
243 |
|
---|
244 | private float mMeasurementScale = 1.0F;
|
---|
245 | #endregion
|
---|
246 |
|
---|
247 | #region Properties
|
---|
248 |
|
---|
249 | // ------------------------------------------------------------------
|
---|
250 | /// <summary>
|
---|
251 | /// Gets the current version.
|
---|
252 | /// </summary>
|
---|
253 | // ------------------------------------------------------------------
|
---|
254 | public virtual double Version
|
---|
255 | {
|
---|
256 | get
|
---|
257 | {
|
---|
258 | return modelVersion;
|
---|
259 | }
|
---|
260 | }
|
---|
261 |
|
---|
262 | // ------------------------------------------------------------------
|
---|
263 | /// <summary>
|
---|
264 | /// Specifies if all shape's connectors are shown.
|
---|
265 | /// </summary>
|
---|
266 | // ------------------------------------------------------------------
|
---|
267 | public bool ShowConnectors
|
---|
268 | {
|
---|
269 | get
|
---|
270 | {
|
---|
271 | return this.mShowConnectors;
|
---|
272 | }
|
---|
273 | set
|
---|
274 | {
|
---|
275 | this.mShowConnectors = value;
|
---|
276 | foreach (IPage page in this.mPages)
|
---|
277 | {
|
---|
278 | foreach (IShape shape in page.Shapes)
|
---|
279 | {
|
---|
280 | shape.ShowConnectors = this.mShowConnectors;
|
---|
281 | }
|
---|
282 | }
|
---|
283 | }
|
---|
284 | }
|
---|
285 |
|
---|
286 | [Browsable(true)]
|
---|
287 | [Description("Scaling value for logical units.")]
|
---|
288 | public float MeasurementScale
|
---|
289 | {
|
---|
290 | get
|
---|
291 | {
|
---|
292 | return mMeasurementScale;
|
---|
293 | }
|
---|
294 |
|
---|
295 | set
|
---|
296 | {
|
---|
297 | mMeasurementScale = value;
|
---|
298 | }
|
---|
299 | }
|
---|
300 |
|
---|
301 | [BrowsableAttribute(true)]
|
---|
302 | [Description("Logical unit of measurement")]
|
---|
303 | public GraphicsUnit MeasurementUnits
|
---|
304 | {
|
---|
305 | get
|
---|
306 | {
|
---|
307 | return measurementUnits;
|
---|
308 | }
|
---|
309 |
|
---|
310 | set
|
---|
311 | {
|
---|
312 | measurementUnits = value;
|
---|
313 | }
|
---|
314 | }
|
---|
315 |
|
---|
316 | // ------------------------------------------------------------------
|
---|
317 | /// <summary>
|
---|
318 | /// Gets or sets the LayoutRoot
|
---|
319 | /// </summary>
|
---|
320 | // ------------------------------------------------------------------
|
---|
321 | public IShape LayoutRoot
|
---|
322 | {
|
---|
323 | get { return mLayoutRoot; }
|
---|
324 | set { mLayoutRoot = value;
|
---|
325 |
|
---|
326 | }
|
---|
327 | }
|
---|
328 |
|
---|
329 | // ------------------------------------------------------------------
|
---|
330 | /// <summary>
|
---|
331 | /// Gets the current page. Use 'SetCurrentPage(IPage page)' or
|
---|
332 | /// 'SetCurrentPage(int index)' to set the current page.
|
---|
333 | /// </summary>
|
---|
334 | // ------------------------------------------------------------------
|
---|
335 | public IPage CurrentPage
|
---|
336 | {
|
---|
337 | get { return mCurrentPage; }
|
---|
338 | }
|
---|
339 |
|
---|
340 | // ------------------------------------------------------------------
|
---|
341 | /// <summary>
|
---|
342 | /// Gets the paintables.
|
---|
343 | /// </summary>
|
---|
344 | /// <value>The paintables.</value>
|
---|
345 | // ------------------------------------------------------------------
|
---|
346 | public CollectionBase<IDiagramEntity> Paintables
|
---|
347 | {
|
---|
348 | get
|
---|
349 | {
|
---|
350 | return mCurrentPage.Entities;
|
---|
351 | }
|
---|
352 | }
|
---|
353 |
|
---|
354 | // ------------------------------------------------------------------
|
---|
355 | /// <summary>
|
---|
356 | /// Gets the pages of the diagram control. Use method 'AddPage' to
|
---|
357 | /// add a page so the page gets attached to this Model.
|
---|
358 | /// </summary>
|
---|
359 | /// <value>The pages.</value>
|
---|
360 | // ------------------------------------------------------------------
|
---|
361 | public CollectionBase<IPage> Pages
|
---|
362 | {
|
---|
363 | get { return mPages; }
|
---|
364 | }
|
---|
365 |
|
---|
366 | // ------------------------------------------------------------------
|
---|
367 | /// <summary>
|
---|
368 | /// Gets or sets the default page
|
---|
369 | /// </summary>
|
---|
370 | // ------------------------------------------------------------------
|
---|
371 | public IPage DefaultPage
|
---|
372 | {
|
---|
373 | get { return mDefaultPage; }
|
---|
374 | set { mDefaultPage = value; }
|
---|
375 | }
|
---|
376 |
|
---|
377 | // ------------------------------------------------------------------
|
---|
378 | /// <summary>
|
---|
379 | /// Gets the shapes of the current page.
|
---|
380 | /// </summary>
|
---|
381 | // ------------------------------------------------------------------
|
---|
382 | public CollectionBase<IShape> Shapes
|
---|
383 | {
|
---|
384 | get
|
---|
385 | {
|
---|
386 | return CurrentPage.Shapes;
|
---|
387 | //return mShapes;
|
---|
388 | }
|
---|
389 | //internal set
|
---|
390 | //{
|
---|
391 | // mShapes = value;
|
---|
392 | //}
|
---|
393 | }
|
---|
394 |
|
---|
395 | // ------------------------------------------------------------------
|
---|
396 | /// <summary>
|
---|
397 | /// Gets or sets the information of the diagram
|
---|
398 | /// </summary>
|
---|
399 | // ------------------------------------------------------------------
|
---|
400 | internal DocumentInformation Information
|
---|
401 | {
|
---|
402 | get
|
---|
403 | {
|
---|
404 | return mInformation;
|
---|
405 | }
|
---|
406 | set
|
---|
407 | {
|
---|
408 | mInformation = value;
|
---|
409 | }
|
---|
410 | }
|
---|
411 |
|
---|
412 | // ------------------------------------------------------------------
|
---|
413 | /// <summary>
|
---|
414 | /// Gets the bounding rectangle of the diagram (client rectangle)
|
---|
415 | /// </summary>
|
---|
416 | // ------------------------------------------------------------------
|
---|
417 | public Rectangle Rectangle
|
---|
418 | {
|
---|
419 | get
|
---|
420 | {
|
---|
421 | return mRectangle;
|
---|
422 | }
|
---|
423 | set
|
---|
424 | {
|
---|
425 | mRectangle = value;
|
---|
426 | RaiseOnRectangleChanged(new RectangleEventArgs(value));
|
---|
427 | }
|
---|
428 | }
|
---|
429 |
|
---|
430 | // ------------------------------------------------------------------
|
---|
431 | /// <summary>
|
---|
432 | /// Gets the horizontal coordinate of the diagram
|
---|
433 | /// </summary>
|
---|
434 | // ------------------------------------------------------------------
|
---|
435 | public float X
|
---|
436 | {
|
---|
437 | get
|
---|
438 | {
|
---|
439 | return mRectangle.X;
|
---|
440 | }
|
---|
441 | }
|
---|
442 |
|
---|
443 | // ------------------------------------------------------------------
|
---|
444 | /// <summary>
|
---|
445 | /// Gets the verticle coordinate of the diagram
|
---|
446 | /// </summary>
|
---|
447 | // ------------------------------------------------------------------
|
---|
448 | public float Y
|
---|
449 | {
|
---|
450 | get
|
---|
451 | {
|
---|
452 | return mRectangle.Y;
|
---|
453 | }
|
---|
454 |
|
---|
455 | }
|
---|
456 |
|
---|
457 | // ------------------------------------------------------------------
|
---|
458 | /// <summary>
|
---|
459 | /// Gets the width of the diagram
|
---|
460 | /// </summary>
|
---|
461 | // ------------------------------------------------------------------
|
---|
462 | public float Width
|
---|
463 | {
|
---|
464 | get
|
---|
465 | {
|
---|
466 | return mRectangle.Width;
|
---|
467 | }
|
---|
468 | }
|
---|
469 |
|
---|
470 | // ------------------------------------------------------------------
|
---|
471 | /// <summary>
|
---|
472 | /// Gets the height of the diagram
|
---|
473 | /// </summary>
|
---|
474 | // ------------------------------------------------------------------
|
---|
475 | public float Height
|
---|
476 | {
|
---|
477 | get
|
---|
478 | {
|
---|
479 | return mRectangle.Height;
|
---|
480 | }
|
---|
481 | }
|
---|
482 |
|
---|
483 | // ------------------------------------------------------------------
|
---|
484 | /// <summary>
|
---|
485 | /// Gets or sets the collection of connections
|
---|
486 | /// </summary>
|
---|
487 | // ------------------------------------------------------------------
|
---|
488 | public CollectionBase<IConnection> Connections
|
---|
489 | {
|
---|
490 | get
|
---|
491 | {
|
---|
492 | return CurrentPage.Connections;
|
---|
493 | }
|
---|
494 |
|
---|
495 | }
|
---|
496 | #endregion
|
---|
497 |
|
---|
498 | #region Constructor
|
---|
499 |
|
---|
500 | // ------------------------------------------------------------------
|
---|
501 | /// <summary>
|
---|
502 | /// Default constructor
|
---|
503 | /// </summary>
|
---|
504 | // ------------------------------------------------------------------
|
---|
505 | public Model()
|
---|
506 | {
|
---|
507 | //here I'll have to work on the scene graph
|
---|
508 | //this.mShapes = new CollectionBase<IShape>();
|
---|
509 | //the default page
|
---|
510 |
|
---|
511 | //the page collection
|
---|
512 | mPages = new CollectionBase<IPage>();
|
---|
513 | Page p = new Page("Default Page", this);
|
---|
514 | p.Ambience.PageColor = ArtPalette.DefaultPageColor;
|
---|
515 | mPages.Add(p);
|
---|
516 |
|
---|
517 | Init();
|
---|
518 | }
|
---|
519 |
|
---|
520 | #endregion
|
---|
521 |
|
---|
522 | // ------------------------------------------------------------------
|
---|
523 | /// <summary>
|
---|
524 | /// Initializes this object
|
---|
525 | /// <remarks>See also the <see cref="OnDeserialized"/> event for
|
---|
526 | /// post-deserialization actions to which this method is related.
|
---|
527 | /// </remarks>
|
---|
528 | /// </summary>
|
---|
529 | // ------------------------------------------------------------------
|
---|
530 | private void Init()
|
---|
531 | {
|
---|
532 | if (mPages == null)
|
---|
533 | {
|
---|
534 | throw new InconsistencyException(
|
---|
535 | "The page collection is 'null'.");
|
---|
536 | }
|
---|
537 | if (mPages.Count == 0)
|
---|
538 | {
|
---|
539 | throw new InconsistencyException(
|
---|
540 | "The page collection should contain at least one page.");
|
---|
541 | }
|
---|
542 |
|
---|
543 | foreach(IPage page in mPages)
|
---|
544 | AttachToPage(page);
|
---|
545 | mDefaultPage = mPages[0];
|
---|
546 | // Initially the current page is the zero-th page in the
|
---|
547 | // collection.
|
---|
548 | SetCurrentPage(0);
|
---|
549 | }
|
---|
550 |
|
---|
551 | // ------------------------------------------------------------------
|
---|
552 | /// <summary>
|
---|
553 | /// Adds a page. This should be used when adding pages rather than
|
---|
554 | /// though the Pages property so the page gets attached to the Model.
|
---|
555 | /// </summary>
|
---|
556 | /// <param name="page">IPage: The page to add.</param>
|
---|
557 | /// <returns>IPage</returns>
|
---|
558 | // ------------------------------------------------------------------
|
---|
559 | public IPage AddPage(IPage page)
|
---|
560 | {
|
---|
561 | mPages.Add(page);
|
---|
562 | AttachToPage(page);
|
---|
563 | return page;
|
---|
564 | }
|
---|
565 |
|
---|
566 | // ------------------------------------------------------------------
|
---|
567 | /// <summary>
|
---|
568 | /// Adds a page. This should be used when adding pages rather than
|
---|
569 | /// though the Pages property so the page gets attached to the Model.
|
---|
570 | /// The page name is set to "Page" plus the new number of pages.
|
---|
571 | /// For example, if there are currently two pages, then "Page3" is
|
---|
572 | /// set as the new page name.
|
---|
573 | /// </summary>
|
---|
574 | /// <returns>IPage</returns>
|
---|
575 | // ------------------------------------------------------------------
|
---|
576 | public IPage AddPage()
|
---|
577 | {
|
---|
578 | string pageName = this.GetDefaultNewPageName();
|
---|
579 | Page page = new Page(pageName, this);
|
---|
580 | return AddPage(page);
|
---|
581 | }
|
---|
582 |
|
---|
583 | // ------------------------------------------------------------------
|
---|
584 | /// <summary>
|
---|
585 | /// Deletes the page specified if it is not the default page.
|
---|
586 | /// </summary>
|
---|
587 | /// <param name="page">IPage: The page to remove.</param>
|
---|
588 | /// <param name="allowWarnings">bool: Specifies if the user should
|
---|
589 | /// be given the option to cancel the action if the current page
|
---|
590 | /// has entities. Also, when set to true, if the current page is
|
---|
591 | /// the default page, then a message box is shown informing the
|
---|
592 | /// user that the default page cannot be deleted.</param>
|
---|
593 | /// <returns>bool: If the delete was successful. True is returned
|
---|
594 | /// if the current page was removed.</returns>
|
---|
595 | // ------------------------------------------------------------------
|
---|
596 | public bool RemovePage(IPage page, bool allowWarnings)
|
---|
597 | {
|
---|
598 | if (page == this.DefaultPage)
|
---|
599 | {
|
---|
600 | if (allowWarnings)
|
---|
601 | {
|
---|
602 | MessageBox.Show(
|
---|
603 | "The default page cannot be deleted.",
|
---|
604 | "Delete Page Error",
|
---|
605 | MessageBoxButtons.OK,
|
---|
606 | MessageBoxIcon.Error);
|
---|
607 | }
|
---|
608 | return false;
|
---|
609 | }
|
---|
610 |
|
---|
611 | int pageIndex = 0;
|
---|
612 | int newCurrentPageIndex = 0;
|
---|
613 |
|
---|
614 | // Ask the user if they really want to remove the page if
|
---|
615 | // it has entities if 'allowWarnings' is true.
|
---|
616 | if ((allowWarnings) && (page.Entities.Count > 0))
|
---|
617 | {
|
---|
618 | if (MessageBox.Show(
|
---|
619 | "Are you sure you want to delete this page?",
|
---|
620 | "Confirm Delete",
|
---|
621 | MessageBoxButtons.YesNo,
|
---|
622 | MessageBoxIcon.Question,
|
---|
623 | MessageBoxDefaultButton.Button1) == DialogResult.No)
|
---|
624 | {
|
---|
625 | return false;
|
---|
626 | }
|
---|
627 | }
|
---|
628 |
|
---|
629 | // Now we can continue with deleting the page.
|
---|
630 | // If the page specified is the current page, then we need to set
|
---|
631 | // the current page to another page. Let's use the previous one
|
---|
632 | // in the list.
|
---|
633 | if (page == CurrentPage)
|
---|
634 | {
|
---|
635 | pageIndex = Pages.IndexOf(page);
|
---|
636 |
|
---|
637 | if (pageIndex > 0)
|
---|
638 | {
|
---|
639 | newCurrentPageIndex = pageIndex - 1;
|
---|
640 | }
|
---|
641 | SetCurrentPage(newCurrentPageIndex);
|
---|
642 | }
|
---|
643 |
|
---|
644 | Pages.Remove(page);
|
---|
645 | return true;
|
---|
646 | }
|
---|
647 |
|
---|
648 | // ------------------------------------------------------------------
|
---|
649 | /// <summary>
|
---|
650 | /// Returns a new page name that's unique from all the others.
|
---|
651 | /// </summary>
|
---|
652 | /// <returns>string: Returns "Page" plus the number of pages IF A
|
---|
653 | /// NEW PAGE WERE ADDED. For example, if there are currently two
|
---|
654 | /// pages, then "Page3" is returned.</returns>
|
---|
655 | // ------------------------------------------------------------------
|
---|
656 | public string GetDefaultNewPageName()
|
---|
657 | {
|
---|
658 | string name = "Page" + (Pages.Count + 1).ToString();
|
---|
659 | return name;
|
---|
660 | }
|
---|
661 |
|
---|
662 | // ------------------------------------------------------------------
|
---|
663 | /// <summary>
|
---|
664 | /// Sets the current page.
|
---|
665 | /// </summary>
|
---|
666 | /// <param name="page">The page.</param>
|
---|
667 | // ------------------------------------------------------------------
|
---|
668 | public void SetCurrentPage(IPage page)
|
---|
669 | {
|
---|
670 | mCurrentPage = page;
|
---|
671 | RaiseOnAmbienceChanged(new AmbienceEventArgs(page.Ambience));
|
---|
672 | RaiseOnCurrentPageChanged(new PageEventArgs(page));
|
---|
673 |
|
---|
674 | //change the paintables as well
|
---|
675 | //Paintables = new CollectionBase<IDiagramEntity>();
|
---|
676 |
|
---|
677 | #region Reload of the z-order, usually only necessary after deserialization
|
---|
678 |
|
---|
679 | CollectionBase<IDiagramEntity> collected = new CollectionBase<IDiagramEntity>();
|
---|
680 | //pick up the non-group entities
|
---|
681 | foreach (IDiagramEntity entity in Paintables)
|
---|
682 | if (!typeof(IGroup).IsInstanceOfType(entity))
|
---|
683 | collected.Add(entity);
|
---|
684 |
|
---|
685 | if (collected.Count > 0)
|
---|
686 | {
|
---|
687 | Algorithms.SortInPlace<IDiagramEntity>(collected, new SceneIndexComparer<IDiagramEntity>());
|
---|
688 | //Paintables.AddRange(collected);
|
---|
689 | }
|
---|
690 | #endregion
|
---|
691 |
|
---|
692 | }
|
---|
693 |
|
---|
694 | // ------------------------------------------------------------------
|
---|
695 | /// <summary>
|
---|
696 | /// Sets the current page.
|
---|
697 | /// </summary>
|
---|
698 | /// <param name="pageIndex">Index of the page.</param>
|
---|
699 | // ------------------------------------------------------------------
|
---|
700 | public void SetCurrentPage(int pageIndex)
|
---|
701 | {
|
---|
702 | if (mPages == null ||
|
---|
703 | mPages.Count == 0 ||
|
---|
704 | pageIndex >= mPages.Count ||
|
---|
705 | pageIndex < 0)
|
---|
706 | {
|
---|
707 | throw new IndexOutOfRangeException(
|
---|
708 | "The page index is outside the page range.");
|
---|
709 | }
|
---|
710 | SetCurrentPage(mPages[pageIndex]);
|
---|
711 | }
|
---|
712 |
|
---|
713 | // ------------------------------------------------------------------
|
---|
714 | /// <summary>
|
---|
715 | /// Attaches this model to the page specified. The Model property for
|
---|
716 | /// the page is set and the IPage events needed by this are registered
|
---|
717 | /// for here (OnEntityAdded, OnEntityRemoved, OnClear, and
|
---|
718 | /// OnAmbienceChanged).
|
---|
719 | /// </summary>
|
---|
720 | /// <param name="page">IPage: The page to attach this model to.</param>
|
---|
721 | // ------------------------------------------------------------------
|
---|
722 | private void AttachToPage(IPage page)
|
---|
723 | {
|
---|
724 | page.OnEntityAdded += new EventHandler<EntityEventArgs>(mDefaultPage_OnEntityAdded);
|
---|
725 | page.OnEntityRemoved += new EventHandler<EntityEventArgs>(mDefaultPage_OnEntityRemoved);
|
---|
726 | page.OnClear += new EventHandler(mDefaultPage_OnClear);
|
---|
727 | page.OnAmbienceChanged += new EventHandler<AmbienceEventArgs>(mDefaultPage_OnAmbienceChanged);
|
---|
728 | page.Model = this;
|
---|
729 | }
|
---|
730 |
|
---|
731 | void mDefaultPage_OnAmbienceChanged(object sender, AmbienceEventArgs e)
|
---|
732 | {
|
---|
733 | RaiseOnAmbienceChanged(e);
|
---|
734 | }
|
---|
735 |
|
---|
736 | #region Paintables transfers on Page changes
|
---|
737 |
|
---|
738 | // ------------------------------------------------------------------
|
---|
739 | /// <summary>
|
---|
740 | /// Handles the OnClear event of the DefaultPage.
|
---|
741 | /// </summary>
|
---|
742 | /// <param name="sender">The source of the event.</param>
|
---|
743 | /// <param name="e">The <see cref="T:System.EventArgs"/> instance
|
---|
744 | /// containing the event data.</param>
|
---|
745 | // ------------------------------------------------------------------
|
---|
746 | void mDefaultPage_OnClear(object sender, EventArgs e)
|
---|
747 | {
|
---|
748 | Paintables.Clear();
|
---|
749 | }
|
---|
750 |
|
---|
751 | // ------------------------------------------------------------------
|
---|
752 | /// <summary>
|
---|
753 | /// Handles the OnEntityRemoved event of the DefaultPage.
|
---|
754 | /// </summary>
|
---|
755 | /// <param name="sender">The source of the event.</param>
|
---|
756 | /// <param name="e">The
|
---|
757 | /// <see cref="T:Netron.Diagramming.Core.EntityEventArgs"/> instance
|
---|
758 | /// containing the event data.</param>
|
---|
759 | // ------------------------------------------------------------------
|
---|
760 | void mDefaultPage_OnEntityRemoved(object sender, EntityEventArgs e)
|
---|
761 | {
|
---|
762 | if(Paintables.Contains(e.Entity))
|
---|
763 | {
|
---|
764 | //shift the entities above the one to be removed
|
---|
765 | int index = e.Entity.SceneIndex;
|
---|
766 | foreach(IDiagramEntity entity in Paintables)
|
---|
767 | {
|
---|
768 | if(entity.SceneIndex > index)
|
---|
769 | entity.SceneIndex--;
|
---|
770 | }
|
---|
771 | Paintables.Remove(e.Entity);
|
---|
772 | }
|
---|
773 | //if the selection contains the shape we have to remove it from the selection
|
---|
774 | if (Selection.SelectedItems.Contains(e.Entity))
|
---|
775 | {
|
---|
776 | Selection.SelectedItems.Remove(e.Entity);
|
---|
777 | }
|
---|
778 | RaiseOnEntityRemoved(e);
|
---|
779 | }
|
---|
780 |
|
---|
781 | // ------------------------------------------------------------------
|
---|
782 | /// <summary>
|
---|
783 | /// Handles the OnEntityAdded event of the Page and adds the new
|
---|
784 | /// entity to the Paintables.
|
---|
785 | /// </summary>
|
---|
786 | /// <param name="sender">The source of the event.</param>
|
---|
787 | /// <param name="e">The
|
---|
788 | /// <see cref="T:Netron.Diagramming.Core.EntityEventArgs"/> instance
|
---|
789 | /// containing the event data.</param>
|
---|
790 | // ------------------------------------------------------------------
|
---|
791 | void mDefaultPage_OnEntityAdded(object sender, EntityEventArgs e)
|
---|
792 | {
|
---|
793 | //don't add it if it's already there or if it's a group (unless you want to deploy something special to emphasize a group shape).
|
---|
794 | if (!Paintables.Contains(e.Entity) )
|
---|
795 | {
|
---|
796 | if ((e.Entity is IGroup) && !(e.Entity as IGroup).EmphasizeGroup)
|
---|
797 | {
|
---|
798 | return;
|
---|
799 | }
|
---|
800 | //set the new entity on top of the stack
|
---|
801 | e.Entity.SceneIndex = Paintables.Count;
|
---|
802 | Paintables.Add(e.Entity);
|
---|
803 | }
|
---|
804 | #region Addition callback
|
---|
805 | IAdditionCallback callback = e.Entity.GetService(typeof(IAdditionCallback)) as IAdditionCallback;
|
---|
806 | if (callback != null)
|
---|
807 | callback.OnAddition();
|
---|
808 | #endregion
|
---|
809 | RaiseOnEntityAdded(e);
|
---|
810 | }
|
---|
811 | #endregion
|
---|
812 |
|
---|
813 | #region Methods
|
---|
814 |
|
---|
815 | #region Ordering methods
|
---|
816 | /// <summary>
|
---|
817 | /// Re-sets the scene-index of the paintables
|
---|
818 | /// </summary>
|
---|
819 | private void ReAssignSceneIndex(CollectionBase<IDiagramEntity> entities)
|
---|
820 | {
|
---|
821 | for (int i = 0; i < entities.Count; i++)
|
---|
822 | {
|
---|
823 | entities[i].SceneIndex = i;
|
---|
824 | }
|
---|
825 | }
|
---|
826 | /// <summary>
|
---|
827 | /// Sends to entity to the bottom of the z-order stack.
|
---|
828 | /// </summary>
|
---|
829 | /// <param name="entity">The entity.</param>
|
---|
830 | public void SendToBack(IDiagramEntity entity)
|
---|
831 | {
|
---|
832 | ILayer layer = CurrentPage.GetLayer(entity);
|
---|
833 | if (layer != null)
|
---|
834 | {
|
---|
835 | layer.Entities.Remove(entity);
|
---|
836 | layer.Entities.Insert(0, entity);
|
---|
837 | ReAssignSceneIndex(layer.Entities);
|
---|
838 | Rectangle rec = entity.Rectangle;
|
---|
839 | rec.Inflate(20, 20);
|
---|
840 | this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
841 | }
|
---|
842 | //if(Paintables.Contains(entity))
|
---|
843 | //{
|
---|
844 | // Paintables.Remove(entity);
|
---|
845 | // Paintables.Insert(0, entity);
|
---|
846 | // ReAssignSceneIndex();
|
---|
847 | // Rectangle rec = entity.Rectangle;
|
---|
848 | // rec.Inflate(20, 20);
|
---|
849 | // this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
850 | //}
|
---|
851 | }
|
---|
852 |
|
---|
853 | /// <summary>
|
---|
854 | /// Sends the entity down the z-order stack with the specified amount.
|
---|
855 | /// </summary>
|
---|
856 | /// <param name="entity">The entity.</param>
|
---|
857 | /// <param name="zShift">The z shift.</param>
|
---|
858 | public void SendBackwards(IDiagramEntity entity, int zShift)
|
---|
859 | {
|
---|
860 | ILayer layer = CurrentPage.GetLayer(entity);
|
---|
861 | if (layer != null)
|
---|
862 | {
|
---|
863 | int newpos = layer.Entities.IndexOf(entity) - zShift;
|
---|
864 | //if this is the first in the row you cannot move it lower
|
---|
865 | if (newpos >= 0)
|
---|
866 | {
|
---|
867 | layer.Entities.Remove(entity);
|
---|
868 | layer.Entities.Insert(newpos, entity);
|
---|
869 | ReAssignSceneIndex(layer.Entities);
|
---|
870 | Rectangle rec = entity.Rectangle;
|
---|
871 | rec.Inflate(20, 20);
|
---|
872 | this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
873 | }
|
---|
874 | }
|
---|
875 |
|
---|
876 | //if (Paintables.Contains(entity))
|
---|
877 | //{
|
---|
878 | // int newpos = Paintables.IndexOf(entity) - zShift;
|
---|
879 | // //if this is the first in the row you cannot move it lower
|
---|
880 | // if (newpos >= 0)
|
---|
881 | // {
|
---|
882 | // Paintables.Remove(entity);
|
---|
883 | // Paintables.Insert(newpos, entity);
|
---|
884 | // ReAssignSceneIndex(Paintables);
|
---|
885 | // Rectangle rec = entity.Rectangle;
|
---|
886 | // rec.Inflate(20, 20);
|
---|
887 | // this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
888 | // }
|
---|
889 | //}
|
---|
890 | }
|
---|
891 | /// <summary>
|
---|
892 | /// Sends the entity one level down the z-order stack.
|
---|
893 | /// </summary>
|
---|
894 | /// <param name="entity">The entity.</param>
|
---|
895 | public void SendBackwards(IDiagramEntity entity)
|
---|
896 | {
|
---|
897 | SendBackwards(entity, 1);
|
---|
898 | }
|
---|
899 |
|
---|
900 | /// <summary>
|
---|
901 | /// Sends the entity to the top of the z-order stack.
|
---|
902 | /// </summary>
|
---|
903 | /// <param name="entity">The entity.</param>
|
---|
904 | public void SendForwards(IDiagramEntity entity)
|
---|
905 | {
|
---|
906 | SendForwards(entity, 1);
|
---|
907 | }
|
---|
908 | /// <summary>
|
---|
909 | /// Sends the entity up the z-order stack with the specified amount.
|
---|
910 | /// </summary>
|
---|
911 | /// <param name="entity">The entity.</param>
|
---|
912 | /// <param name="zShift">The z shift.</param>
|
---|
913 | public void SendForwards(IDiagramEntity entity, int zShift)
|
---|
914 | {
|
---|
915 | ILayer layer = CurrentPage.GetLayer(entity);
|
---|
916 | if (layer != null)
|
---|
917 | {
|
---|
918 | int newpos = layer.Entities.IndexOf(entity) + zShift;
|
---|
919 | //if this is the last in the row you cannot move it higher
|
---|
920 | if (newpos < layer.Entities.Count)
|
---|
921 | {
|
---|
922 | layer.Entities.Remove(entity);
|
---|
923 | layer.Entities.Insert(newpos, entity); //does it works when this is an addition at the top?
|
---|
924 | ReAssignSceneIndex(layer.Entities);
|
---|
925 | Rectangle rec = entity.Rectangle;
|
---|
926 | rec.Inflate(20, 20);
|
---|
927 | this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
928 | }
|
---|
929 | }
|
---|
930 |
|
---|
931 | //if (Paintables.Contains(entity) && zShift>=1)
|
---|
932 | //{
|
---|
933 | // int newpos = Paintables.IndexOf(entity) + zShift;
|
---|
934 | // //if this is the last in the row you cannot move it higher
|
---|
935 | // if (newpos < Paintables.Count)
|
---|
936 | // {
|
---|
937 | // Paintables.Remove(entity);
|
---|
938 | // Paintables.Insert(newpos, entity); //does it works when this is an addition at the top?
|
---|
939 | // ReAssignSceneIndex(Paintables);
|
---|
940 | // Rectangle rec = entity.Rectangle;
|
---|
941 | // rec.Inflate(20, 20);
|
---|
942 | // this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
943 | // }
|
---|
944 | //}
|
---|
945 | }
|
---|
946 |
|
---|
947 | /// <summary>
|
---|
948 | /// Sends the entity to the front of the z-order stack.
|
---|
949 | /// </summary>
|
---|
950 | /// <param name="entity">The entity.</param>
|
---|
951 | public void SendToFront(IDiagramEntity entity)
|
---|
952 | {
|
---|
953 | ILayer layer = CurrentPage.GetLayer(entity);
|
---|
954 | if (layer != null)
|
---|
955 | {
|
---|
956 | layer.Entities.Remove(entity);
|
---|
957 | layer.Entities.Add(entity);
|
---|
958 | ReAssignSceneIndex(layer.Entities);
|
---|
959 | Rectangle rec = entity.Rectangle;
|
---|
960 | rec.Inflate(20, 20);
|
---|
961 | this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
962 | }
|
---|
963 |
|
---|
964 | //if(Paintables.Contains(entity))
|
---|
965 | //{
|
---|
966 | // Paintables.Remove(entity);
|
---|
967 | // Paintables.Add(entity);
|
---|
968 | // ReAssignSceneIndex(Paintables);
|
---|
969 | // Rectangle rec = entity.Rectangle;
|
---|
970 | // rec.Inflate(20, 20);
|
---|
971 | // this.RaiseOnInvalidateRectangle(Rectangle);
|
---|
972 | //}
|
---|
973 | }
|
---|
974 | #endregion
|
---|
975 |
|
---|
976 | #region Diagram manipulation actions
|
---|
977 |
|
---|
978 | // ------------------------------------------------------------------
|
---|
979 | /// <summary>
|
---|
980 | /// Returns the number of shapes in the current page that are of
|
---|
981 | /// the type specified.
|
---|
982 | /// </summary>
|
---|
983 | /// <param name="type">Type</param>
|
---|
984 | /// <returns>int</returns>
|
---|
985 | // ------------------------------------------------------------------
|
---|
986 | public int NumberOfShapes(Type type)
|
---|
987 | {
|
---|
988 | int count = 0;
|
---|
989 | foreach (IShape shape in Shapes)
|
---|
990 | {
|
---|
991 | if (shape.GetType() == type)
|
---|
992 | {
|
---|
993 | count++;
|
---|
994 | }
|
---|
995 | }
|
---|
996 | return count;
|
---|
997 | }
|
---|
998 |
|
---|
999 | // ------------------------------------------------------------------
|
---|
1000 | /// <summary>
|
---|
1001 | /// Gets the shape at the specified location. If no shape could be
|
---|
1002 | /// found then 'null' is returned.
|
---|
1003 | /// </summary>
|
---|
1004 | /// <param name="surfacePoint">Point: The location in world
|
---|
1005 | /// coordinates.</param>
|
---|
1006 | /// <returns>IShape</returns>
|
---|
1007 | // ------------------------------------------------------------------
|
---|
1008 | public IShape GetShapeAt(Point surfacePoint)
|
---|
1009 | {
|
---|
1010 | foreach (IShape shape in this.CurrentPage.Shapes)
|
---|
1011 | {
|
---|
1012 | if (shape.Hit(surfacePoint))
|
---|
1013 | {
|
---|
1014 | return shape;
|
---|
1015 | }
|
---|
1016 | }
|
---|
1017 | return null;
|
---|
1018 | }
|
---|
1019 |
|
---|
1020 | // ------------------------------------------------------------------
|
---|
1021 | /// <summary>
|
---|
1022 | /// Adds an entity to the diagram. The magnification level for the
|
---|
1023 | /// entity is set to the current magnification level of the current
|
---|
1024 | /// page.
|
---|
1025 | /// </summary>
|
---|
1026 | /// <param name="entity">IDiagramEntity: The entity to add.</param>
|
---|
1027 | /// <returns>IDiagramEntity: The added entity.</returns>
|
---|
1028 | // ------------------------------------------------------------------
|
---|
1029 | public IDiagramEntity AddEntity(IDiagramEntity entity)
|
---|
1030 | {
|
---|
1031 | SetModel(entity);
|
---|
1032 | //By default the new entity is added to the default layer in the
|
---|
1033 | // current page.
|
---|
1034 | CurrentPage.DefaultLayer.Entities.Add(entity);
|
---|
1035 | entity.Attached(CurrentPage.DefaultLayer);
|
---|
1036 | entity.Magnification = CurrentPage.Magnification;
|
---|
1037 | return entity;
|
---|
1038 | }
|
---|
1039 |
|
---|
1040 | // ------------------------------------------------------------------
|
---|
1041 | /// <summary>
|
---|
1042 | /// Adds a shape to the diagram
|
---|
1043 | /// </summary>
|
---|
1044 | /// <param name="shape">IShape: The shape to add.</param>
|
---|
1045 | /// <returns>IShape: The added shape.</returns>
|
---|
1046 | // ------------------------------------------------------------------
|
---|
1047 | public IShape AddShape(IShape shape)
|
---|
1048 | {
|
---|
1049 |
|
---|
1050 | SetModel(shape);
|
---|
1051 | // By default the new shape is added to the default layer in the
|
---|
1052 | // current page.
|
---|
1053 | CurrentPage.DefaultLayer.Entities.Add(shape);
|
---|
1054 | shape.Attached(CurrentPage.DefaultLayer);
|
---|
1055 | shape.ShowConnectors = this.mShowConnectors;
|
---|
1056 | return shape;
|
---|
1057 |
|
---|
1058 | }
|
---|
1059 |
|
---|
1060 | // ------------------------------------------------------------------
|
---|
1061 | /// <summary>
|
---|
1062 | /// Adds a connection to the diagram
|
---|
1063 | /// </summary>
|
---|
1064 | /// <param name="connection">a connection</param>
|
---|
1065 | // ------------------------------------------------------------------
|
---|
1066 | public IConnection AddConnection(IConnection connection)
|
---|
1067 | {
|
---|
1068 | SetModel(connection);
|
---|
1069 | CurrentPage.DefaultLayer.Entities.Add(connection);
|
---|
1070 | connection.Attached(CurrentPage.DefaultLayer);
|
---|
1071 | return connection;
|
---|
1072 | }
|
---|
1073 |
|
---|
1074 | // ------------------------------------------------------------------
|
---|
1075 | /// <summary>
|
---|
1076 | /// Adds a connection between two shape connectors.
|
---|
1077 | /// </summary>
|
---|
1078 | /// <param name="from">From connector.</param>
|
---|
1079 | /// <param name="to">To connector.</param>
|
---|
1080 | // ------------------------------------------------------------------
|
---|
1081 | public IConnection AddConnection(IConnector from, IConnector to)
|
---|
1082 | {
|
---|
1083 | Connection con = new Connection(from.Point, to.Point);
|
---|
1084 | this.AddConnection(con);
|
---|
1085 | return con;
|
---|
1086 | }
|
---|
1087 |
|
---|
1088 | // ------------------------------------------------------------------
|
---|
1089 | /// <summary>
|
---|
1090 | /// Sets the model (recursively) on the given entity.
|
---|
1091 | /// </summary>
|
---|
1092 | /// <param name="entity">The entity.</param>
|
---|
1093 | // ------------------------------------------------------------------
|
---|
1094 | public void SetModel(IDiagramEntity entity)
|
---|
1095 | {
|
---|
1096 | if(entity is IConnector)
|
---|
1097 | {
|
---|
1098 | (entity as IConnector).Model = this;
|
---|
1099 | }
|
---|
1100 | else if(entity is IConnection)
|
---|
1101 | {
|
---|
1102 | IConnection con = entity as IConnection;
|
---|
1103 | con.Model = this;
|
---|
1104 | Debug.Assert(con.From != null, "The 'From' connector is not set.");
|
---|
1105 | con.From.Model = this;
|
---|
1106 | Debug.Assert(con.From != null, "The 'To' connector is not set.");
|
---|
1107 | con.To.Model = this;
|
---|
1108 | }
|
---|
1109 | else if(entity is IShape)
|
---|
1110 | {
|
---|
1111 | IShape shape = entity as IShape;
|
---|
1112 | shape.Model = this;
|
---|
1113 | foreach(IConnector co in shape.Connectors)
|
---|
1114 | {
|
---|
1115 | co.Model = this;
|
---|
1116 | }
|
---|
1117 | }
|
---|
1118 | else if (entity is IGroup)
|
---|
1119 | {
|
---|
1120 | IGroup group = entity as IGroup;
|
---|
1121 | group.Model = this;
|
---|
1122 | foreach (IDiagramEntity child in group.Entities)
|
---|
1123 | {
|
---|
1124 | SetModel(child);
|
---|
1125 | }
|
---|
1126 | }
|
---|
1127 | }
|
---|
1128 |
|
---|
1129 | // ------------------------------------------------------------------
|
---|
1130 | /// <summary>
|
---|
1131 | /// Removes the shape from the diagram.
|
---|
1132 | /// </summary>
|
---|
1133 | /// <param name="shape">The shape.</param>
|
---|
1134 | // ------------------------------------------------------------------
|
---|
1135 | public void RemoveShape(IShape shape)
|
---|
1136 | {
|
---|
1137 | //remove it from the layer(s)
|
---|
1138 | foreach (IPage page in mPages)
|
---|
1139 | {
|
---|
1140 | foreach (ILayer layer in page.Layers)
|
---|
1141 | {
|
---|
1142 | if (layer.Entities.Contains(shape))
|
---|
1143 | {
|
---|
1144 | layer.Entities.Remove(shape);
|
---|
1145 | shape.Detached(CurrentPage.DefaultLayer);
|
---|
1146 | }
|
---|
1147 | }
|
---|
1148 | }
|
---|
1149 |
|
---|
1150 | // The old way, when there weren't multiple pages and layers.
|
---|
1151 | //if (CurrentPage.DefaultLayer.Entities.Contains(shape))
|
---|
1152 | //{
|
---|
1153 | // CurrentPage.DefaultLayer.Entities.Remove(shape);
|
---|
1154 | // shape.Detached(CurrentPage.DefaultLayer);
|
---|
1155 | //}
|
---|
1156 | }
|
---|
1157 |
|
---|
1158 | // ------------------------------------------------------------------
|
---|
1159 | /// <summary>
|
---|
1160 | /// Removes all entities that are currently selected.
|
---|
1161 | /// </summary>
|
---|
1162 | /// <param name="entity">The entity.</param>
|
---|
1163 | // ------------------------------------------------------------------
|
---|
1164 | public void RemoveSelectedItems()
|
---|
1165 | {
|
---|
1166 | if (Selection.SelectedItems.Count < 1)
|
---|
1167 | {
|
---|
1168 | return;
|
---|
1169 | }
|
---|
1170 |
|
---|
1171 | int numberOfItems = Selection.SelectedItems.Count;
|
---|
1172 | for (int i = 0; i < numberOfItems - 1; i++)
|
---|
1173 | {
|
---|
1174 | IDiagramEntity entity = Selection.SelectedItems[0];
|
---|
1175 | foreach (IPage page in mPages)
|
---|
1176 | {
|
---|
1177 | foreach (ILayer layer in page.Layers)
|
---|
1178 | {
|
---|
1179 | if (layer.Entities.Contains(entity))
|
---|
1180 | {
|
---|
1181 | layer.Entities.Remove(entity);
|
---|
1182 | entity.Detached(DefaultPage.DefaultLayer);
|
---|
1183 | }
|
---|
1184 | }
|
---|
1185 | }
|
---|
1186 | }
|
---|
1187 | }
|
---|
1188 |
|
---|
1189 | // ------------------------------------------------------------------
|
---|
1190 | /// <summary>
|
---|
1191 | /// Removes the specified entity.
|
---|
1192 | /// </summary>
|
---|
1193 | /// <param name="entity">The entity.</param>
|
---|
1194 | // ------------------------------------------------------------------
|
---|
1195 | public void Remove(IDiagramEntity entity)
|
---|
1196 | {
|
---|
1197 | if (CurrentPage.DefaultLayer.Entities.Contains(entity))
|
---|
1198 | {
|
---|
1199 | CurrentPage.DefaultLayer.Entities.Remove(entity);
|
---|
1200 | entity.Detached(CurrentPage.DefaultLayer);
|
---|
1201 | }
|
---|
1202 | }
|
---|
1203 |
|
---|
1204 | // ------------------------------------------------------------------
|
---|
1205 | /// <summary>
|
---|
1206 | /// Adds a collection of entities to the diagram
|
---|
1207 | /// </summary>
|
---|
1208 | /// <param name="collection">The collection.</param>
|
---|
1209 | // ------------------------------------------------------------------
|
---|
1210 | public void AddEntities(CollectionBase<IDiagramEntity> collection)
|
---|
1211 | {
|
---|
1212 | foreach (IDiagramEntity entity in collection)
|
---|
1213 | {
|
---|
1214 | SetModel(entity);
|
---|
1215 | CurrentPage.DefaultLayer.Entities.Add(entity);
|
---|
1216 | entity.Attached(CurrentPage.DefaultLayer);
|
---|
1217 | }
|
---|
1218 | }
|
---|
1219 |
|
---|
1220 | // ------------------------------------------------------------------
|
---|
1221 | /// <summary>
|
---|
1222 | /// Unwraps an entity
|
---|
1223 | /// <list type="bullet">
|
---|
1224 | /// <term>Uid</term><description>Generates a new <see cref="IDiagramEntity.Uid"/> for the entity. </description>
|
---|
1225 | /// <tem>Model</tem><description>Assigns the Model property to the entity.</description>
|
---|
1226 | ///
|
---|
1227 | /// </list>
|
---|
1228 | /// </summary>
|
---|
1229 | // ------------------------------------------------------------------
|
---|
1230 | public void Unwrap(IDiagramEntity entity)
|
---|
1231 | {
|
---|
1232 | //set a new unique identifier for this copied object
|
---|
1233 | entity.NewUid(true);
|
---|
1234 | //this assignment will be recursive if needed
|
---|
1235 | SetModel(entity);
|
---|
1236 | CurrentPage.DefaultLayer.Entities.Add(entity);
|
---|
1237 | entity.Attached(CurrentPage.DefaultLayer);
|
---|
1238 |
|
---|
1239 | }
|
---|
1240 |
|
---|
1241 | // ------------------------------------------------------------------
|
---|
1242 | /// <summary>
|
---|
1243 | /// Unwraps the specified collection.
|
---|
1244 | /// </summary>
|
---|
1245 | /// <param name="collection">The collection.</param>
|
---|
1246 | // ------------------------------------------------------------------
|
---|
1247 | public void Unwrap(CollectionBase<IDiagramEntity> collection)
|
---|
1248 | {
|
---|
1249 | if (collection == null)
|
---|
1250 | return;
|
---|
1251 | foreach (IDiagramEntity entity in collection)
|
---|
1252 | {
|
---|
1253 | Unwrap(entity);
|
---|
1254 | }
|
---|
1255 | //reconnect the connectors, just like the deserialization of a filed diagram
|
---|
1256 | Dictionary<Guid, Anchor>.Enumerator enumer = Anchors.GetEnumerator();
|
---|
1257 | System.Collections.Generic.KeyValuePair<Guid, Anchor> pair;
|
---|
1258 | Anchor anchor;
|
---|
1259 | while (enumer.MoveNext())
|
---|
1260 | {
|
---|
1261 | pair = enumer.Current;
|
---|
1262 | anchor = pair.Value;
|
---|
1263 | if (anchor.Parent != Guid.Empty) //there's a parent connector
|
---|
1264 | {
|
---|
1265 | if (Anchors.ContainsKey(anchor.Parent))
|
---|
1266 | {
|
---|
1267 | Anchors.GetAnchor(anchor.Parent).Instance.AttachConnector(anchor.Instance);
|
---|
1268 | }
|
---|
1269 | }
|
---|
1270 | }
|
---|
1271 | //clean up the anchoring matrix
|
---|
1272 | Anchors.Clear();
|
---|
1273 | }
|
---|
1274 |
|
---|
1275 | // ------------------------------------------------------------------
|
---|
1276 | /// <summary>
|
---|
1277 | /// Clears the current page.
|
---|
1278 | /// </summary>
|
---|
1279 | // ------------------------------------------------------------------
|
---|
1280 | public void Clear()
|
---|
1281 | {
|
---|
1282 | //clear the scene-graph
|
---|
1283 | this.CurrentPage.DefaultLayer.Entities.Clear();
|
---|
1284 | }
|
---|
1285 | #endregion
|
---|
1286 |
|
---|
1287 | #endregion
|
---|
1288 |
|
---|
1289 | #region Standard IDispose implementation
|
---|
1290 |
|
---|
1291 | // ------------------------------------------------------------------
|
---|
1292 | /// <summary>
|
---|
1293 | /// Disposes the view.
|
---|
1294 | /// </summary>
|
---|
1295 | // ------------------------------------------------------------------
|
---|
1296 | public void Dispose()
|
---|
1297 | {
|
---|
1298 | Dispose(true);
|
---|
1299 | GC.SuppressFinalize(this);
|
---|
1300 | }
|
---|
1301 |
|
---|
1302 | // ------------------------------------------------------------------
|
---|
1303 | /// <summary>
|
---|
1304 | /// Disposes the view.
|
---|
1305 | /// </summary>
|
---|
1306 | /// <param name="disposing">if set to <c>true</c> [disposing].</param>
|
---|
1307 | // ------------------------------------------------------------------
|
---|
1308 | private void Dispose(bool disposing)
|
---|
1309 | {
|
---|
1310 | if (disposing)
|
---|
1311 | {
|
---|
1312 |
|
---|
1313 | }
|
---|
1314 |
|
---|
1315 | }
|
---|
1316 |
|
---|
1317 | #endregion
|
---|
1318 | }
|
---|
1319 | }
|
---|