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1 | /////////////////////////////////////////////////////////////////////////////// |
2 | // Name: treelay.h | |
3 | // Purpose: wxTreeLayout class | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 7/4/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) 1998 Julian Smart | |
9 | // Licence: wxWindows licence | |
10 | /////////////////////////////////////////////////////////////////////////////// | |
11 | ||
4a3bdee6 JS |
12 | // For compilers that support precompilation, includes "wx.h". |
13 | #include "wx/wxprec.h" | |
14 | ||
15 | #ifdef __BORLANDC__ | |
16 | #pragma hdrstop | |
17 | #endif | |
18 | ||
19 | #ifndef WX_PRECOMP | |
20 | #include "wx/dc.h" | |
21 | #include "wx/event.h" | |
22 | #endif | |
23 | ||
24 | #include "wx/deprecated/setup.h" | |
25 | ||
26 | #if wxUSE_TREELAYOUT | |
27 | ||
28 | #include "wx/deprecated/treelay.h" | |
29 | ||
30 | /* | |
31 | * Abstract tree | |
32 | * | |
33 | */ | |
34 | ||
35 | IMPLEMENT_ABSTRACT_CLASS(wxTreeLayout, wxObject) | |
36 | ||
37 | wxTreeLayout::wxTreeLayout() | |
38 | { | |
39 | m_xSpacing = 16; | |
40 | m_ySpacing = 20; | |
41 | m_topMargin = 5; | |
42 | m_leftMargin = 5; | |
c7f8ebf8 | 43 | m_orientation = false; |
4a3bdee6 JS |
44 | m_parentNode = 0; |
45 | } | |
46 | ||
47 | void wxTreeLayout::DoLayout(wxDC& dc, long topId) | |
48 | { | |
318c5e9f | 49 | if (topId != wxID_ANY) |
4a3bdee6 JS |
50 | SetTopNode(topId); |
51 | ||
52 | long actualTopId = GetTopNode(); | |
53 | long id = actualTopId; | |
318c5e9f | 54 | while (id != wxID_ANY) |
4a3bdee6 JS |
55 | { |
56 | SetNodeX(id, 0); | |
57 | SetNodeY(id, 0); | |
c7f8ebf8 | 58 | ActivateNode(id, false); |
4a3bdee6 JS |
59 | id = GetNextNode(id); |
60 | } | |
61 | m_lastY = m_topMargin; | |
62 | m_lastX = m_leftMargin; | |
63 | CalcLayout(actualTopId, 0, dc); | |
64 | } | |
65 | ||
66 | void wxTreeLayout::Draw(wxDC& dc) | |
67 | { | |
68 | dc.Clear(); | |
69 | DrawBranches(dc); | |
70 | DrawNodes(dc); | |
71 | } | |
72 | ||
73 | void wxTreeLayout::DrawNodes(wxDC& dc) | |
74 | { | |
75 | long id = GetTopNode(); | |
318c5e9f | 76 | while (id != wxID_ANY) |
4a3bdee6 JS |
77 | { |
78 | if (NodeActive(id)) | |
79 | DrawNode(id, dc); | |
80 | id = GetNextNode(id); | |
81 | } | |
82 | } | |
83 | ||
84 | void wxTreeLayout::DrawBranches(wxDC& dc) | |
85 | { | |
86 | long id = GetTopNode(); | |
318c5e9f | 87 | while (id != wxID_ANY) |
4a3bdee6 | 88 | { |
318c5e9f | 89 | if (GetNodeParent(id) != wxID_ANY) |
4a3bdee6 JS |
90 | { |
91 | long parent = GetNodeParent(id); | |
92 | if (NodeActive(parent)) | |
93 | DrawBranch(parent, id, dc); | |
94 | } | |
95 | id = GetNextNode(id); | |
96 | } | |
97 | } | |
98 | ||
99 | void wxTreeLayout::DrawNode(long id, wxDC& dc) | |
100 | { | |
101 | wxChar buf[80]; | |
102 | wxString name(GetNodeName(id)); | |
103 | if (name != wxT("")) | |
104 | wxSprintf(buf, wxT("%s"), (const wxChar*) name); | |
105 | else | |
106 | wxSprintf(buf, wxT("<unnamed>")); | |
107 | ||
108 | long x = 80; | |
109 | long y = 20; | |
110 | dc.GetTextExtent(buf, &x, &y); | |
111 | dc.DrawText(buf, GetNodeX(id), (long)(GetNodeY(id) - (y/2.0))); | |
112 | } | |
113 | ||
114 | void wxTreeLayout::DrawBranch(long from, long to, wxDC& dc) | |
115 | { | |
116 | long w, h; | |
117 | GetNodeSize(from, &w, &h, dc); | |
118 | dc.DrawLine(GetNodeX(from)+w, GetNodeY(from), | |
119 | GetNodeX(to), GetNodeY(to)); | |
120 | } | |
121 | ||
122 | void wxTreeLayout::Initialize(void) | |
123 | { | |
124 | } | |
125 | ||
126 | void wxTreeLayout::GetNodeSize(long id, long *x, long *y, wxDC& dc) | |
127 | { | |
128 | wxString name(GetNodeName(id)); | |
129 | if (name != wxT("")) | |
130 | dc.GetTextExtent(name, x, y); | |
131 | else | |
132 | { | |
133 | *x = 70; *y = 20; | |
134 | } | |
135 | } | |
136 | ||
137 | void wxTreeLayout::CalcLayout(long nodeId, int level, wxDC& dc) | |
138 | { | |
139 | wxList children; | |
140 | GetChildren(nodeId, children); | |
141 | int n = children.GetCount(); | |
142 | ||
c7f8ebf8 | 143 | if (m_orientation == false) |
4a3bdee6 JS |
144 | { |
145 | // Left to right | |
146 | // X Calculations | |
147 | if (level == 0) | |
148 | SetNodeX(nodeId, m_leftMargin); | |
149 | else | |
150 | { | |
151 | long x = 0; | |
152 | long y = 0; | |
153 | long parentId = GetNodeParent(nodeId); | |
318c5e9f | 154 | if (parentId != wxID_ANY) |
4a3bdee6 JS |
155 | GetNodeSize(parentId, &x, &y, dc); |
156 | SetNodeX(nodeId, (long)(GetNodeX(parentId) + m_xSpacing + x)); | |
157 | } | |
158 | ||
c7f8ebf8 | 159 | wxList::compatibility_iterator node = children.GetFirst(); |
4a3bdee6 JS |
160 | while (node) |
161 | { | |
162 | CalcLayout((long)node->GetData(), level+1, dc); | |
163 | node = node->GetNext(); | |
164 | } | |
165 | ||
166 | // Y Calculations | |
167 | long averageY; | |
c7f8ebf8 | 168 | ActivateNode(nodeId, true); |
4a3bdee6 JS |
169 | |
170 | if (n > 0) | |
171 | { | |
172 | averageY = 0; | |
173 | node = children.GetFirst(); | |
174 | while (node) | |
175 | { | |
176 | averageY += GetNodeY((long)node->GetData()); | |
177 | node = node->GetNext(); | |
178 | } | |
179 | averageY = averageY / n; | |
180 | SetNodeY(nodeId, averageY); | |
181 | } | |
182 | else | |
183 | { | |
184 | SetNodeY(nodeId, m_lastY); | |
185 | long x, y; | |
186 | GetNodeSize(nodeId, &x, &y, dc); | |
187 | ||
188 | m_lastY = m_lastY + y + m_ySpacing; | |
189 | } | |
190 | } | |
191 | else | |
192 | { | |
193 | // Top to bottom | |
194 | ||
195 | // Y Calculations | |
196 | if (level == 0) | |
197 | SetNodeY(nodeId, m_topMargin); | |
198 | else | |
199 | { | |
200 | long x = 0; | |
201 | long y = 0; | |
202 | long parentId = GetNodeParent(nodeId); | |
318c5e9f | 203 | if (parentId != wxID_ANY) |
4a3bdee6 JS |
204 | GetNodeSize(parentId, &x, &y, dc); |
205 | SetNodeY(nodeId, (long)(GetNodeY(parentId) + m_ySpacing + y)); | |
206 | } | |
207 | ||
c7f8ebf8 | 208 | wxList::compatibility_iterator node = children.GetFirst(); |
4a3bdee6 JS |
209 | while (node) |
210 | { | |
211 | CalcLayout((long)node->GetData(), level+1, dc); | |
212 | node = node->GetNext(); | |
213 | } | |
214 | ||
215 | // X Calculations | |
216 | long averageX; | |
c7f8ebf8 | 217 | ActivateNode(nodeId, true); |
4a3bdee6 JS |
218 | |
219 | if (n > 0) | |
220 | { | |
221 | averageX = 0; | |
222 | node = children.GetFirst(); | |
223 | while (node) | |
224 | { | |
225 | averageX += GetNodeX((long)node->GetData()); | |
226 | node = node->GetNext(); | |
227 | } | |
228 | averageX = averageX / n; | |
229 | SetNodeX(nodeId, averageX); | |
230 | } | |
231 | else | |
232 | { | |
233 | SetNodeX(nodeId, m_lastX); | |
234 | long x, y; | |
235 | GetNodeSize(nodeId, &x, &y, dc); | |
236 | ||
237 | m_lastX = m_lastX + x + m_xSpacing; | |
238 | } | |
239 | } | |
240 | } | |
241 | ||
242 | /* | |
243 | * Tree with storage | |
244 | * | |
245 | */ | |
246 | ||
247 | IMPLEMENT_DYNAMIC_CLASS(wxTreeLayoutStored, wxTreeLayout) | |
248 | ||
249 | wxTreeLayoutStored::wxTreeLayoutStored(int n):wxTreeLayout() | |
250 | { | |
251 | m_nodes = NULL; | |
252 | m_maxNodes = 0; | |
253 | Initialize(n); | |
254 | } | |
255 | ||
256 | wxTreeLayoutStored::~wxTreeLayoutStored(void) | |
257 | { | |
258 | if (m_nodes) | |
259 | delete[] m_nodes; | |
260 | } | |
261 | ||
262 | void wxTreeLayoutStored::Initialize(int n) | |
263 | { | |
264 | m_maxNodes = n; | |
265 | wxTreeLayout::Initialize(); | |
266 | if (m_nodes) delete[] m_nodes; | |
267 | m_nodes = new wxStoredNode[m_maxNodes]; | |
268 | int i; | |
269 | for (i = 0; i < n; i++) | |
270 | { | |
271 | m_nodes[i].m_name = wxT(""); | |
c7f8ebf8 | 272 | m_nodes[i].m_active = false; |
318c5e9f | 273 | m_nodes[i].m_parentId = wxID_ANY; |
4a3bdee6 JS |
274 | m_nodes[i].m_x = 0; |
275 | m_nodes[i].m_y = 0; | |
276 | } | |
277 | m_num = 0; | |
278 | } | |
279 | ||
280 | long wxTreeLayoutStored::AddChild(const wxString& name, const wxString& parent) | |
281 | { | |
282 | if (m_num < (m_maxNodes -1 )) | |
283 | { | |
284 | long i = -1; | |
285 | if (parent != wxT("")) | |
286 | i = NameToId(parent); | |
287 | else m_parentNode = m_num; | |
288 | ||
289 | m_nodes[m_num].m_parentId = i; | |
290 | m_nodes[m_num].m_name = name; | |
291 | m_nodes[m_num].m_x = m_nodes[m_num].m_y = 0; | |
292 | m_nodes[m_num].m_clientData = 0; | |
293 | m_num ++; | |
294 | ||
295 | return (m_num - 1); | |
296 | } | |
297 | else | |
298 | return -1; | |
299 | } | |
300 | ||
301 | long wxTreeLayoutStored::AddChild(const wxString& name, long parent) | |
302 | { | |
303 | if (m_num < (m_maxNodes -1 ) && parent < m_num) | |
304 | { | |
305 | long i = -1; | |
306 | if (parent != -1) | |
307 | { | |
308 | i = parent; | |
309 | } | |
318c5e9f | 310 | else |
4a3bdee6 JS |
311 | { |
312 | m_parentNode = m_num; | |
313 | } | |
318c5e9f | 314 | |
4a3bdee6 JS |
315 | m_nodes[m_num].m_parentId = i; |
316 | m_nodes[m_num].m_name = name; | |
317 | m_nodes[m_num].m_x = m_nodes[m_num].m_y = 0; | |
318 | m_nodes[m_num].m_clientData = 0; | |
319 | m_num ++; | |
318c5e9f | 320 | |
4a3bdee6 JS |
321 | return (m_num - 1); |
322 | } | |
323 | else | |
324 | return -1; | |
325 | } | |
326 | ||
327 | long wxTreeLayoutStored::NameToId(const wxString& name) | |
328 | { | |
329 | long i; | |
330 | for (i = 0; i < m_num; i++) | |
331 | if (name == m_nodes[i].m_name) | |
332 | return i; | |
333 | return -1; | |
334 | } | |
335 | ||
336 | void wxTreeLayoutStored::GetChildren(long id, wxList& list) | |
337 | { | |
338 | long currentId = GetTopNode(); | |
318c5e9f | 339 | while (currentId != wxID_ANY) |
4a3bdee6 JS |
340 | { |
341 | if (id == GetNodeParent(currentId)) | |
342 | list.Append((wxObject *)currentId); | |
343 | currentId = GetNextNode(currentId); | |
344 | } | |
345 | } | |
346 | ||
347 | wxStoredNode* wxTreeLayoutStored::GetNode(long idx) const | |
348 | { | |
349 | wxASSERT(idx < m_num); | |
350 | ||
351 | return &m_nodes[idx]; | |
352 | }; | |
353 | ||
354 | long wxTreeLayoutStored::GetNodeX(long id) | |
355 | { | |
356 | wxASSERT(id < m_num); | |
357 | ||
358 | return (long)m_nodes[id].m_x; | |
359 | } | |
360 | ||
361 | long wxTreeLayoutStored::GetNodeY(long id) | |
362 | { | |
363 | wxASSERT(id < m_num); | |
364 | ||
365 | return (long)m_nodes[id].m_y; | |
366 | } | |
367 | ||
368 | void wxTreeLayoutStored::SetNodeX(long id, long x) | |
369 | { | |
370 | wxASSERT(id < m_num); | |
371 | ||
372 | m_nodes[id].m_x = (int)x; | |
373 | } | |
374 | ||
375 | void wxTreeLayoutStored::SetNodeY(long id, long y) | |
376 | { | |
377 | wxASSERT(id < m_num); | |
378 | ||
379 | m_nodes[id].m_y = (int)y; | |
380 | } | |
381 | ||
382 | void wxTreeLayoutStored::SetNodeName(long id, const wxString& name) | |
383 | { | |
384 | wxASSERT(id < m_num); | |
385 | ||
386 | m_nodes[id].m_name = name; | |
387 | } | |
388 | ||
389 | wxString wxTreeLayoutStored::GetNodeName(long id) | |
390 | { | |
391 | wxASSERT(id < m_num); | |
392 | ||
393 | return m_nodes[id].m_name; | |
394 | } | |
395 | ||
396 | long wxTreeLayoutStored::GetNodeParent(long id) | |
397 | { | |
318c5e9f | 398 | if (id != wxID_ANY) |
4a3bdee6 JS |
399 | { |
400 | wxASSERT(id < m_num); | |
401 | ||
402 | return m_nodes[id].m_parentId; | |
403 | } | |
404 | else | |
318c5e9f | 405 | return wxNOT_FOUND; |
4a3bdee6 JS |
406 | } |
407 | ||
408 | long wxTreeLayoutStored::GetNextNode(long id) | |
409 | { | |
410 | wxASSERT(id < m_num); | |
411 | ||
318c5e9f | 412 | if ((id != wxID_ANY) && (id < (m_num - 1))) |
4a3bdee6 JS |
413 | return id + 1; |
414 | else | |
318c5e9f | 415 | return wxNOT_FOUND; |
4a3bdee6 JS |
416 | } |
417 | ||
418 | void wxTreeLayoutStored::SetClientData(long id, long clientData) | |
419 | { | |
420 | wxASSERT(id < m_num); | |
421 | ||
422 | m_nodes[id].m_clientData = clientData; | |
423 | } | |
424 | ||
425 | long wxTreeLayoutStored::GetClientData(long id) const | |
426 | { | |
427 | wxASSERT(id < m_num); | |
428 | ||
429 | return m_nodes[id].m_clientData; | |
430 | } | |
431 | ||
432 | void wxTreeLayoutStored::ActivateNode(long id, bool active) | |
433 | { | |
434 | wxASSERT(id < m_num); | |
435 | ||
436 | m_nodes[id].m_active = active; | |
437 | } | |
438 | ||
439 | bool wxTreeLayoutStored::NodeActive(long id) | |
440 | { | |
441 | wxASSERT(id < m_num); | |
442 | ||
443 | return m_nodes[id].m_active; | |
444 | } | |
445 | ||
446 | wxString wxTreeLayoutStored::HitTest(wxMouseEvent& event, wxDC& dc) | |
447 | { | |
448 | wxPoint pt = event.GetPosition(); | |
449 | wxCoord x = pt.x; | |
450 | wxCoord y = pt.y; | |
451 | ||
452 | int i; | |
453 | for (i = 0; i < m_maxNodes; i++) | |
454 | { | |
455 | long width, height; | |
456 | dc.GetTextExtent(m_nodes[i].m_name, &width, &height); | |
457 | ||
458 | if ( (x >= (m_nodes[i].m_x-10)) && (x < (m_nodes[i].m_x + width+10)) && | |
459 | (y >= m_nodes[i].m_y-10) && (y < (m_nodes[i].m_y + height+10)) ) | |
460 | { | |
461 | return m_nodes[i].m_name; | |
462 | } | |
463 | } | |
464 | ||
465 | return wxString( wxT("") ); | |
466 | } | |
467 | ||
468 | #endif | |
469 | // wxUSE_TREELAYOUT |