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457814b5 JS |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: doc.cpp | |
3 | // Purpose: Implements document functionality | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | // #pragma implementation | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx/wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #ifndef WX_PRECOMP | |
24 | #include "wx/wx.h" | |
25 | #endif | |
56d7679d | 26 | #include "wx/txtstrm.h" |
457814b5 | 27 | |
e4b19d9b | 28 | #if !wxUSE_DOC_VIEW_ARCHITECTURE |
ad813b00 | 29 | #error You must set wxUSE_DOC_VIEW_ARCHITECTURE to 1 in setup.h! |
457814b5 JS |
30 | #endif |
31 | ||
32 | #include "doc.h" | |
33 | #include "view.h" | |
34 | ||
35 | IMPLEMENT_DYNAMIC_CLASS(DrawingDocument, wxDocument) | |
36 | ||
37 | DrawingDocument::DrawingDocument(void) | |
38 | { | |
39 | } | |
40 | ||
41 | DrawingDocument::~DrawingDocument(void) | |
42 | { | |
f6bcfd97 | 43 | doodleSegments.DeleteContents(TRUE); |
457814b5 JS |
44 | } |
45 | ||
56d7679d | 46 | #if wxUSE_STD_IOSTREAM |
dd107c50 | 47 | wxSTD ostream& DrawingDocument::SaveObject(wxSTD ostream& stream) |
457814b5 | 48 | { |
f6bcfd97 | 49 | wxDocument::SaveObject(stream); |
457814b5 | 50 | |
f6bcfd97 BP |
51 | wxInt32 n = doodleSegments.Number(); |
52 | stream << n << '\n'; | |
53 | ||
54 | wxNode *node = doodleSegments.First(); | |
55 | while (node) | |
56 | { | |
57 | DoodleSegment *segment = (DoodleSegment *)node->Data(); | |
58 | segment->SaveObject(stream); | |
59 | stream << '\n'; | |
60 | ||
61 | node = node->Next(); | |
62 | } | |
63 | ||
64 | return stream; | |
457814b5 | 65 | } |
56d7679d | 66 | #else |
23a54e14 | 67 | wxOutputStream& DrawingDocument::SaveObject(wxOutputStream& stream) |
56d7679d | 68 | { |
f6bcfd97 BP |
69 | wxDocument::SaveObject(stream); |
70 | ||
71 | wxTextOutputStream text_stream( stream ); | |
72 | ||
73 | wxInt32 n = doodleSegments.Number(); | |
74 | text_stream << n << '\n'; | |
75 | ||
76 | wxNode *node = doodleSegments.First(); | |
77 | while (node) | |
78 | { | |
79 | DoodleSegment *segment = (DoodleSegment *)node->Data(); | |
80 | segment->SaveObject(stream); | |
81 | text_stream << '\n'; | |
82 | ||
83 | node = node->Next(); | |
84 | } | |
56d7679d | 85 | |
f6bcfd97 | 86 | return stream; |
56d7679d RR |
87 | } |
88 | #endif | |
89 | ||
90 | #if wxUSE_STD_IOSTREAM | |
dd107c50 | 91 | wxSTD istream& DrawingDocument::LoadObject(wxSTD istream& stream) |
457814b5 | 92 | { |
f6bcfd97 BP |
93 | wxDocument::LoadObject(stream); |
94 | ||
95 | wxInt32 n = 0; | |
96 | stream >> n; | |
97 | ||
98 | for (int i = 0; i < n; i++) | |
99 | { | |
100 | DoodleSegment *segment = new DoodleSegment; | |
101 | segment->LoadObject(stream); | |
102 | doodleSegments.Append(segment); | |
103 | } | |
104 | ||
105 | return stream; | |
457814b5 | 106 | } |
56d7679d | 107 | #else |
23a54e14 | 108 | wxInputStream& DrawingDocument::LoadObject(wxInputStream& stream) |
56d7679d | 109 | { |
f6bcfd97 BP |
110 | wxDocument::LoadObject(stream); |
111 | ||
112 | wxTextInputStream text_stream( stream ); | |
113 | ||
114 | wxInt32 n = 0; | |
115 | text_stream >> n; | |
116 | ||
117 | for (int i = 0; i < n; i++) | |
118 | { | |
119 | DoodleSegment *segment = new DoodleSegment; | |
120 | segment->LoadObject(stream); | |
121 | doodleSegments.Append(segment); | |
122 | } | |
123 | ||
124 | return stream; | |
56d7679d RR |
125 | } |
126 | #endif | |
457814b5 JS |
127 | |
128 | DoodleSegment::DoodleSegment(void) | |
129 | { | |
130 | } | |
131 | ||
132 | DoodleSegment::DoodleSegment(DoodleSegment& seg) | |
133 | { | |
f6bcfd97 BP |
134 | wxNode *node = seg.lines.First(); |
135 | while (node) | |
136 | { | |
137 | DoodleLine *line = (DoodleLine *)node->Data(); | |
138 | DoodleLine *newLine = new DoodleLine; | |
139 | newLine->x1 = line->x1; | |
140 | newLine->y1 = line->y1; | |
141 | newLine->x2 = line->x2; | |
142 | newLine->y2 = line->y2; | |
143 | ||
144 | lines.Append(newLine); | |
145 | ||
146 | node = node->Next(); | |
147 | } | |
457814b5 JS |
148 | } |
149 | ||
150 | DoodleSegment::~DoodleSegment(void) | |
151 | { | |
f6bcfd97 | 152 | lines.DeleteContents(TRUE); |
457814b5 JS |
153 | } |
154 | ||
56d7679d | 155 | #if wxUSE_STD_IOSTREAM |
dd107c50 | 156 | wxSTD ostream& DoodleSegment::SaveObject(wxSTD ostream& stream) |
457814b5 | 157 | { |
f6bcfd97 BP |
158 | wxInt32 n = lines.Number(); |
159 | stream << n << '\n'; | |
160 | ||
161 | wxNode *node = lines.First(); | |
162 | while (node) | |
163 | { | |
164 | DoodleLine *line = (DoodleLine *)node->Data(); | |
165 | stream << line->x1 << " " << | |
166 | line->y1 << " " << | |
167 | line->x2 << " " << | |
168 | line->y2 << "\n"; | |
169 | node = node->Next(); | |
170 | } | |
171 | ||
172 | return stream; | |
457814b5 | 173 | } |
56d7679d | 174 | #else |
23a54e14 | 175 | wxOutputStream &DoodleSegment::SaveObject(wxOutputStream& stream) |
56d7679d | 176 | { |
f6bcfd97 BP |
177 | wxTextOutputStream text_stream( stream ); |
178 | ||
179 | wxInt32 n = lines.Number(); | |
180 | text_stream << n << '\n'; | |
181 | ||
182 | wxNode *node = lines.First(); | |
183 | while (node) | |
184 | { | |
185 | DoodleLine *line = (DoodleLine *)node->Data(); | |
186 | text_stream << line->x1 << " " << | |
187 | line->y1 << " " << | |
188 | line->x2 << " " << | |
189 | line->y2 << "\n"; | |
190 | node = node->Next(); | |
191 | } | |
192 | ||
193 | return stream; | |
56d7679d RR |
194 | } |
195 | #endif | |
457814b5 | 196 | |
56d7679d | 197 | #if wxUSE_STD_IOSTREAM |
dd107c50 | 198 | wxSTD istream& DoodleSegment::LoadObject(wxSTD istream& stream) |
457814b5 | 199 | { |
f6bcfd97 BP |
200 | wxInt32 n = 0; |
201 | stream >> n; | |
202 | ||
203 | for (int i = 0; i < n; i++) | |
204 | { | |
205 | DoodleLine *line = new DoodleLine; | |
206 | stream >> line->x1 >> | |
207 | line->y1 >> | |
208 | line->x2 >> | |
209 | line->y2; | |
210 | lines.Append(line); | |
211 | } | |
212 | ||
213 | return stream; | |
457814b5 | 214 | } |
56d7679d | 215 | #else |
23a54e14 | 216 | wxInputStream &DoodleSegment::LoadObject(wxInputStream& stream) |
56d7679d | 217 | { |
f6bcfd97 BP |
218 | wxTextInputStream text_stream( stream ); |
219 | ||
220 | wxInt32 n = 0; | |
221 | text_stream >> n; | |
222 | ||
223 | for (int i = 0; i < n; i++) | |
224 | { | |
225 | DoodleLine *line = new DoodleLine; | |
226 | text_stream >> line->x1 >> | |
227 | line->y1 >> | |
228 | line->x2 >> | |
229 | line->y2; | |
230 | lines.Append(line); | |
231 | } | |
232 | ||
233 | return stream; | |
56d7679d RR |
234 | } |
235 | #endif | |
457814b5 JS |
236 | |
237 | void DoodleSegment::Draw(wxDC *dc) | |
238 | { | |
f6bcfd97 BP |
239 | wxNode *node = lines.First(); |
240 | while (node) | |
241 | { | |
242 | DoodleLine *line = (DoodleLine *)node->Data(); | |
243 | dc->DrawLine(line->x1, line->y1, line->x2, line->y2); | |
244 | node = node->Next(); | |
245 | } | |
457814b5 JS |
246 | } |
247 | ||
248 | /* | |
f6bcfd97 BP |
249 | * Implementation of drawing command |
250 | */ | |
457814b5 JS |
251 | |
252 | DrawingCommand::DrawingCommand(const wxString& name, int command, DrawingDocument *ddoc, DoodleSegment *seg): | |
f6bcfd97 | 253 | wxCommand(TRUE, name) |
457814b5 | 254 | { |
f6bcfd97 BP |
255 | doc = ddoc; |
256 | segment = seg; | |
257 | cmd = command; | |
457814b5 JS |
258 | } |
259 | ||
260 | DrawingCommand::~DrawingCommand(void) | |
261 | { | |
f6bcfd97 BP |
262 | if (segment) |
263 | delete segment; | |
457814b5 JS |
264 | } |
265 | ||
266 | bool DrawingCommand::Do(void) | |
267 | { | |
f6bcfd97 | 268 | switch (cmd) |
457814b5 | 269 | { |
f6bcfd97 BP |
270 | case DOODLE_CUT: |
271 | { | |
272 | // Cut the last segment | |
273 | if (doc->GetDoodleSegments().Number() > 0) | |
274 | { | |
275 | wxNode *node = doc->GetDoodleSegments().Last(); | |
276 | if (segment) | |
277 | delete segment; | |
278 | ||
279 | segment = (DoodleSegment *)node->Data(); | |
280 | delete node; | |
281 | ||
282 | doc->Modify(TRUE); | |
283 | doc->UpdateAllViews(); | |
284 | } | |
285 | break; | |
286 | } | |
457814b5 | 287 | case DOODLE_ADD: |
f6bcfd97 BP |
288 | { |
289 | doc->GetDoodleSegments().Append(new DoodleSegment(*segment)); | |
290 | doc->Modify(TRUE); | |
291 | doc->UpdateAllViews(); | |
292 | break; | |
293 | } | |
457814b5 | 294 | } |
f6bcfd97 | 295 | return TRUE; |
457814b5 JS |
296 | } |
297 | ||
298 | bool DrawingCommand::Undo(void) | |
299 | { | |
f6bcfd97 | 300 | switch (cmd) |
457814b5 | 301 | { |
f6bcfd97 BP |
302 | case DOODLE_CUT: |
303 | { | |
304 | // Paste the segment | |
305 | if (segment) | |
306 | { | |
307 | doc->GetDoodleSegments().Append(segment); | |
308 | doc->Modify(TRUE); | |
309 | doc->UpdateAllViews(); | |
310 | segment = (DoodleSegment *) NULL; | |
311 | } | |
312 | doc->Modify(TRUE); | |
313 | doc->UpdateAllViews(); | |
314 | break; | |
315 | } | |
457814b5 | 316 | case DOODLE_ADD: |
f6bcfd97 BP |
317 | { |
318 | // Cut the last segment | |
319 | if (doc->GetDoodleSegments().Number() > 0) | |
320 | { | |
321 | wxNode *node = doc->GetDoodleSegments().Last(); | |
322 | DoodleSegment *seg = (DoodleSegment *)node->Data(); | |
323 | delete seg; | |
324 | delete node; | |
325 | ||
326 | doc->Modify(TRUE); | |
327 | doc->UpdateAllViews(); | |
328 | } | |
329 | } | |
457814b5 | 330 | } |
f6bcfd97 | 331 | return TRUE; |
457814b5 JS |
332 | } |
333 | ||
334 | IMPLEMENT_DYNAMIC_CLASS(TextEditDocument, wxDocument) | |
335 | ||
336 | // Since text windows have their own method for saving to/loading from files, | |
337 | // we override OnSave/OpenDocument instead of Save/LoadObject | |
338 | bool TextEditDocument::OnSaveDocument(const wxString& filename) | |
339 | { | |
340 | TextEditView *view = (TextEditView *)GetFirstView(); | |
f6bcfd97 | 341 | |
457814b5 JS |
342 | if (!view->textsw->SaveFile(filename)) |
343 | return FALSE; | |
344 | Modify(FALSE); | |
345 | return TRUE; | |
346 | } | |
347 | ||
348 | bool TextEditDocument::OnOpenDocument(const wxString& filename) | |
349 | { | |
350 | TextEditView *view = (TextEditView *)GetFirstView(); | |
351 | if (!view->textsw->LoadFile(filename)) | |
352 | return FALSE; | |
f6bcfd97 | 353 | |
457814b5 JS |
354 | SetFilename(filename, TRUE); |
355 | Modify(FALSE); | |
356 | UpdateAllViews(); | |
357 | return TRUE; | |
358 | } | |
359 | ||
360 | bool TextEditDocument::IsModified(void) const | |
361 | { | |
f6bcfd97 BP |
362 | TextEditView *view = (TextEditView *)GetFirstView(); |
363 | if (view) | |
364 | { | |
365 | return (wxDocument::IsModified() || view->textsw->IsModified()); | |
366 | } | |
367 | else | |
368 | return wxDocument::IsModified(); | |
457814b5 JS |
369 | } |
370 | ||
371 | void TextEditDocument::Modify(bool mod) | |
372 | { | |
f6bcfd97 BP |
373 | TextEditView *view = (TextEditView *)GetFirstView(); |
374 | ||
375 | wxDocument::Modify(mod); | |
376 | ||
377 | if (!mod && view && view->textsw) | |
378 | view->textsw->DiscardEdits(); | |
457814b5 | 379 | } |