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Commit | Line | Data |
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5526e819 | 1 | ///////////////////////////////////////////////////////////////////////////// |
c88293a4 | 2 | // Name: m_tables.cpp |
5526e819 VS |
3 | // Purpose: wxHtml module for tables |
4 | // Author: Vaclav Slavik | |
69941f05 | 5 | // RCS-ID: $Id$ |
5526e819 | 6 | // Copyright: (c) 1999 Vaclav Slavik |
65571936 | 7 | // Licence: wxWindows licence |
5526e819 VS |
8 | ///////////////////////////////////////////////////////////////////////////// |
9 | ||
3096bd2f | 10 | #include "wx/wxprec.h" |
3364ab79 | 11 | |
314260fb | 12 | #include "wx/defs.h" |
f6bcfd97 | 13 | #if wxUSE_HTML && wxUSE_STREAMS |
2b5f62a0 | 14 | #ifdef __BORLANDC__ |
3364ab79 RS |
15 | #pragma hdrstop |
16 | #endif | |
17 | ||
18 | #ifndef WXPRECOMP | |
3364ab79 RS |
19 | #endif |
20 | ||
69941f05 VS |
21 | #include "wx/html/forcelnk.h" |
22 | #include "wx/html/m_templ.h" | |
5526e819 | 23 | |
69941f05 | 24 | #include "wx/html/htmlcell.h" |
5526e819 | 25 | |
c88293a4 | 26 | FORCE_LINK_ME(m_tables) |
5526e819 VS |
27 | |
28 | ||
29 | #define TABLE_BORDER_CLR_1 wxColour(0xC5, 0xC2, 0xC5) | |
30 | #define TABLE_BORDER_CLR_2 wxColour(0x62, 0x61, 0x62) | |
31 | ||
32 | ||
33 | //----------------------------------------------------------------------------- | |
34 | // wxHtmlTableCell | |
35 | //----------------------------------------------------------------------------- | |
36 | ||
37 | ||
79d6c018 VS |
38 | struct colStruct |
39 | { | |
40 | int width, units; | |
41 | // width of the column either in pixels or percents | |
42 | // ('width' is the number, 'units' determines its meaning) | |
43 | int minWidth, maxWidth; | |
44 | // minimal/maximal column width. This is needed by HTML 4.0 | |
45 | // layouting algorithm and can be determined by trying to | |
46 | // layout table cells with width=1 and width=infinity | |
47 | int leftpos, pixwidth, maxrealwidth; | |
48 | // temporary (depends on actual width of table) | |
49 | }; | |
50 | ||
51 | enum cellState | |
52 | { | |
53 | cellSpan, | |
54 | cellUsed, | |
55 | cellFree | |
56 | }; | |
57 | ||
58 | struct cellStruct | |
59 | { | |
60 | wxHtmlContainerCell *cont; | |
61 | int colspan, rowspan; | |
62 | int minheight, valign; | |
63 | cellState flag; | |
ca16b7a9 | 64 | bool nowrap; |
79d6c018 | 65 | }; |
5526e819 VS |
66 | |
67 | ||
68 | class wxHtmlTableCell : public wxHtmlContainerCell | |
69 | { | |
79d6c018 VS |
70 | protected: |
71 | /* These are real attributes: */ | |
72 | ||
73 | // should we draw borders or not? | |
74 | bool m_HasBorders; | |
75 | // number of columns; rows | |
76 | int m_NumCols, m_NumRows; | |
77 | // array of column information | |
78 | colStruct *m_ColsInfo; | |
79 | // 2D array of all cells in the table : m_CellInfo[row][column] | |
80 | cellStruct **m_CellInfo; | |
81 | // spaces between cells | |
82 | int m_Spacing; | |
83 | // cells internal indentation | |
84 | int m_Padding; | |
85 | ||
86 | private: | |
87 | /* ...and these are valid only when parsing the table: */ | |
88 | ||
89 | // number of actual column (ranging from 0..m_NumCols) | |
90 | int m_ActualCol, m_ActualRow; | |
91 | ||
92 | // default values (for table and row): | |
93 | wxColour m_tBkg, m_rBkg; | |
94 | wxString m_tValign, m_rValign; | |
95 | ||
96 | double m_PixelScale; | |
97 | ||
98 | ||
99 | public: | |
100 | wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale = 1.0); | |
101 | ~wxHtmlTableCell(); | |
102 | virtual void Layout(int w); | |
103 | ||
104 | void AddRow(const wxHtmlTag& tag); | |
105 | void AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag); | |
106 | ||
107 | private: | |
108 | // Reallocates memory to given number of cols/rows | |
109 | // and changes m_NumCols/m_NumRows value to reflect this change | |
110 | // NOTE! You CAN'T change m_NumCols/m_NumRows before calling this!! | |
111 | void ReallocCols(int cols); | |
112 | void ReallocRows(int rows); | |
113 | ||
114 | // Computes minimal and maximal widths of columns. Needs to be called | |
25c71ccc | 115 | // only once, before first Layout(). |
79d6c018 | 116 | void ComputeMinMaxWidths(); |
22f3361e VZ |
117 | |
118 | DECLARE_NO_COPY_CLASS(wxHtmlTableCell) | |
5526e819 VS |
119 | }; |
120 | ||
121 | ||
122 | ||
edbd0635 | 123 | wxHtmlTableCell::wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale) |
5526e819 VS |
124 | : wxHtmlContainerCell(parent) |
125 | { | |
edbd0635 | 126 | m_PixelScale = pixel_scale; |
25c71ccc | 127 | m_HasBorders = |
b0bdbbfe | 128 | (tag.HasParam(wxT("BORDER")) && tag.GetParam(wxT("BORDER")) != wxT("0")); |
5526e819 VS |
129 | m_ColsInfo = NULL; |
130 | m_NumCols = m_NumRows = 0; | |
131 | m_CellInfo = NULL; | |
132 | m_ActualCol = m_ActualRow = -1; | |
133 | ||
134 | /* scan params: */ | |
04dbb646 | 135 | if (tag.HasParam(wxT("BGCOLOR"))) |
8bd72d90 | 136 | tag.GetParamAsColour(wxT("BGCOLOR"), &m_tBkg); |
04dbb646 VZ |
137 | if (tag.HasParam(wxT("VALIGN"))) |
138 | m_tValign = tag.GetParam(wxT("VALIGN")); | |
139 | else | |
8bd72d90 VS |
140 | m_tValign = wxEmptyString; |
141 | if (!tag.GetParamAsInt(wxT("CELLSPACING"), &m_Spacing)) | |
142 | m_Spacing = 2; | |
143 | if (!tag.GetParamAsInt(wxT("CELLPADDING"), &m_Padding)) | |
144 | m_Padding = 3; | |
edbd0635 VS |
145 | m_Spacing = (int)(m_PixelScale * (double)m_Spacing); |
146 | m_Padding = (int)(m_PixelScale * (double)m_Padding); | |
5526e819 VS |
147 | |
148 | if (m_HasBorders) | |
149 | SetBorder(TABLE_BORDER_CLR_1, TABLE_BORDER_CLR_2); | |
150 | } | |
151 | ||
152 | ||
153 | ||
154 | wxHtmlTableCell::~wxHtmlTableCell() | |
155 | { | |
156 | if (m_ColsInfo) free(m_ColsInfo); | |
04dbb646 | 157 | if (m_CellInfo) |
4f9297b0 | 158 | { |
5526e819 VS |
159 | for (int i = 0; i < m_NumRows; i++) |
160 | free(m_CellInfo[i]); | |
161 | free(m_CellInfo); | |
162 | } | |
163 | } | |
164 | ||
165 | ||
166 | ||
167 | void wxHtmlTableCell::ReallocCols(int cols) | |
168 | { | |
169 | int i,j; | |
170 | ||
04dbb646 | 171 | for (i = 0; i < m_NumRows; i++) |
4f9297b0 | 172 | { |
5526e819 VS |
173 | m_CellInfo[i] = (cellStruct*) realloc(m_CellInfo[i], sizeof(cellStruct) * cols); |
174 | for (j = m_NumCols; j < cols; j++) | |
175 | m_CellInfo[i][j].flag = cellFree; | |
176 | } | |
177 | ||
178 | m_ColsInfo = (colStruct*) realloc(m_ColsInfo, sizeof(colStruct) * cols); | |
04dbb646 | 179 | for (j = m_NumCols; j < cols; j++) |
4f9297b0 | 180 | { |
5526e819 | 181 | m_ColsInfo[j].width = 0; |
efba2b89 | 182 | m_ColsInfo[j].units = wxHTML_UNITS_PERCENT; |
79d6c018 | 183 | m_ColsInfo[j].minWidth = m_ColsInfo[j].maxWidth = -1; |
5526e819 VS |
184 | } |
185 | ||
186 | m_NumCols = cols; | |
187 | } | |
188 | ||
189 | ||
190 | ||
191 | void wxHtmlTableCell::ReallocRows(int rows) | |
192 | { | |
193 | m_CellInfo = (cellStruct**) realloc(m_CellInfo, sizeof(cellStruct*) * rows); | |
04dbb646 | 194 | for (int row = m_NumRows; row < rows ; row++) |
80eab469 | 195 | { |
04dbb646 | 196 | if (m_NumCols == 0) |
80eab469 | 197 | m_CellInfo[row] = NULL; |
04dbb646 | 198 | else |
80eab469 VS |
199 | { |
200 | m_CellInfo[row] = (cellStruct*) malloc(sizeof(cellStruct) * m_NumCols); | |
201 | for (int col = 0; col < m_NumCols; col++) | |
202 | m_CellInfo[row][col].flag = cellFree; | |
203 | } | |
5526e819 | 204 | } |
5526e819 VS |
205 | m_NumRows = rows; |
206 | } | |
207 | ||
208 | ||
5526e819 VS |
209 | void wxHtmlTableCell::AddRow(const wxHtmlTag& tag) |
210 | { | |
5526e819 | 211 | m_ActualCol = -1; |
d361bbff VS |
212 | // VS: real allocation of row entry is done in AddCell in order |
213 | // to correctly handle empty rows (i.e. "<tr></tr>") | |
214 | // m_ActualCol == -1 indicates that AddCell has to allocate new row. | |
5526e819 | 215 | |
d361bbff | 216 | // scan params: |
5526e819 | 217 | m_rBkg = m_tBkg; |
04dbb646 | 218 | if (tag.HasParam(wxT("BGCOLOR"))) |
8bd72d90 | 219 | tag.GetParamAsColour(wxT("BGCOLOR"), &m_rBkg); |
04dbb646 VZ |
220 | if (tag.HasParam(wxT("VALIGN"))) |
221 | m_rValign = tag.GetParam(wxT("VALIGN")); | |
222 | else | |
d361bbff | 223 | m_rValign = m_tValign; |
5526e819 VS |
224 | } |
225 | ||
226 | ||
227 | ||
228 | void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag) | |
229 | { | |
d361bbff VS |
230 | // Is this cell in new row? |
231 | // VS: we can't do it in AddRow, see my comment there | |
232 | if (m_ActualCol == -1) | |
233 | { | |
234 | if (m_ActualRow + 1 > m_NumRows - 1) | |
235 | ReallocRows(m_ActualRow + 2); | |
236 | m_ActualRow++; | |
237 | } | |
238 | ||
239 | // cells & columns: | |
04dbb646 | 240 | do |
4f9297b0 | 241 | { |
5526e819 | 242 | m_ActualCol++; |
04dbb646 | 243 | } while ((m_ActualCol < m_NumCols) && |
8bd72d90 | 244 | (m_CellInfo[m_ActualRow][m_ActualCol].flag != cellFree)); |
04dbb646 | 245 | |
5526e819 VS |
246 | if (m_ActualCol > m_NumCols - 1) |
247 | ReallocCols(m_ActualCol + 1); | |
248 | ||
249 | int r = m_ActualRow, c = m_ActualCol; | |
250 | ||
251 | m_CellInfo[r][c].cont = cell; | |
252 | m_CellInfo[r][c].colspan = 1; | |
253 | m_CellInfo[r][c].rowspan = 1; | |
254 | m_CellInfo[r][c].flag = cellUsed; | |
255 | m_CellInfo[r][c].minheight = 0; | |
efba2b89 | 256 | m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP; |
5526e819 VS |
257 | |
258 | /* scan for parameters: */ | |
259 | ||
260 | // width: | |
261 | { | |
8bd72d90 | 262 | if (tag.HasParam(wxT("WIDTH"))) |
2fa3b707 | 263 | { |
8bd72d90 | 264 | wxString wd = tag.GetParam(wxT("WIDTH")); |
5526e819 | 265 | |
8bd72d90 | 266 | if (wd[wd.Length()-1] == wxT('%')) |
2fa3b707 | 267 | { |
66a77a74 | 268 | wxSscanf(wd.c_str(), wxT("%i%%"), &m_ColsInfo[c].width); |
efba2b89 | 269 | m_ColsInfo[c].units = wxHTML_UNITS_PERCENT; |
5526e819 | 270 | } |
04dbb646 | 271 | else |
2fa3b707 | 272 | { |
66a77a74 | 273 | wxSscanf(wd.c_str(), wxT("%i"), &m_ColsInfo[c].width); |
edbd0635 | 274 | m_ColsInfo[c].width = (int)(m_PixelScale * (double)m_ColsInfo[c].width); |
efba2b89 | 275 | m_ColsInfo[c].units = wxHTML_UNITS_PIXELS; |
5526e819 VS |
276 | } |
277 | } | |
278 | } | |
279 | ||
280 | ||
281 | // spanning: | |
282 | { | |
8bd72d90 VS |
283 | tag.GetParamAsInt(wxT("COLSPAN"), &m_CellInfo[r][c].colspan); |
284 | tag.GetParamAsInt(wxT("ROWSPAN"), &m_CellInfo[r][c].rowspan); | |
fbe77cea VS |
285 | |
286 | // VS: the standard says this about col/rowspan: | |
25c71ccc VZ |
287 | // "This attribute specifies the number of rows spanned by the |
288 | // current cell. The default value of this attribute is one ("1"). | |
289 | // The value zero ("0") means that the cell spans all rows from the | |
290 | // current row to the last row of the table." All mainstream | |
fbe77cea | 291 | // browsers act as if 0==1, though, and so does wxHTML. |
25c71ccc | 292 | if (m_CellInfo[r][c].colspan < 1) |
fbe77cea | 293 | m_CellInfo[r][c].colspan = 1; |
25c71ccc | 294 | if (m_CellInfo[r][c].rowspan < 1) |
fbe77cea VS |
295 | m_CellInfo[r][c].rowspan = 1; |
296 | ||
297 | if ((m_CellInfo[r][c].colspan > 1) || (m_CellInfo[r][c].rowspan > 1)) | |
2fa3b707 | 298 | { |
5526e819 VS |
299 | int i, j; |
300 | ||
04dbb646 | 301 | if (r + m_CellInfo[r][c].rowspan > m_NumRows) |
8bd72d90 | 302 | ReallocRows(r + m_CellInfo[r][c].rowspan); |
04dbb646 | 303 | if (c + m_CellInfo[r][c].colspan > m_NumCols) |
8bd72d90 | 304 | ReallocCols(c + m_CellInfo[r][c].colspan); |
5526e819 VS |
305 | for (i = r; i < r + m_CellInfo[r][c].rowspan; i++) |
306 | for (j = c; j < c + m_CellInfo[r][c].colspan; j++) | |
307 | m_CellInfo[i][j].flag = cellSpan; | |
308 | m_CellInfo[r][c].flag = cellUsed; | |
309 | } | |
310 | } | |
311 | ||
312 | //background color: | |
313 | { | |
8bd72d90 | 314 | wxColour bk = m_rBkg; |
04dbb646 | 315 | if (tag.HasParam(wxT("BGCOLOR"))) |
8bd72d90 VS |
316 | tag.GetParamAsColour(wxT("BGCOLOR"), &bk); |
317 | if (bk.Ok()) | |
318 | cell->SetBackgroundColour(bk); | |
5526e819 VS |
319 | } |
320 | if (m_HasBorders) | |
4f9297b0 | 321 | cell->SetBorder(TABLE_BORDER_CLR_2, TABLE_BORDER_CLR_1); |
5526e819 VS |
322 | |
323 | // vertical alignment: | |
324 | { | |
325 | wxString valign; | |
04dbb646 VZ |
326 | if (tag.HasParam(wxT("VALIGN"))) |
327 | valign = tag.GetParam(wxT("VALIGN")); | |
328 | else | |
8bd72d90 | 329 | valign = m_tValign; |
5526e819 | 330 | valign.MakeUpper(); |
04dbb646 | 331 | if (valign == wxT("TOP")) |
8bd72d90 | 332 | m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP; |
04dbb646 | 333 | else if (valign == wxT("BOTTOM")) |
8bd72d90 | 334 | m_CellInfo[r][c].valign = wxHTML_ALIGN_BOTTOM; |
efba2b89 | 335 | else m_CellInfo[r][c].valign = wxHTML_ALIGN_CENTER; |
5526e819 VS |
336 | } |
337 | ||
ca16b7a9 VS |
338 | // nowrap |
339 | if (tag.HasParam(wxT("NOWRAP"))) | |
340 | m_CellInfo[r][c].nowrap = true; | |
341 | else | |
342 | m_CellInfo[r][c].nowrap = false; | |
343 | ||
4f9297b0 | 344 | cell->SetIndent(m_Padding, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS); |
5526e819 VS |
345 | } |
346 | ||
79d6c018 VS |
347 | void wxHtmlTableCell::ComputeMinMaxWidths() |
348 | { | |
d1da8872 | 349 | if (m_NumCols == 0 || m_ColsInfo[0].minWidth != wxDefaultCoord) return; |
25c71ccc | 350 | |
ca16b7a9 VS |
351 | m_MaxTotalWidth = 0; |
352 | int percentage = 0; | |
79d6c018 VS |
353 | for (int c = 0; c < m_NumCols; c++) |
354 | { | |
355 | for (int r = 0; r < m_NumRows; r++) | |
356 | { | |
357 | cellStruct& cell = m_CellInfo[r][c]; | |
358 | if (cell.flag == cellUsed) | |
359 | { | |
026d1fac | 360 | cell.cont->Layout(2*m_Padding + 1); |
ca16b7a9 VS |
361 | int maxWidth = cell.cont->GetMaxTotalWidth(); |
362 | int width = cell.nowrap?maxWidth:cell.cont->GetWidth(); | |
026d1fac | 363 | width -= (cell.colspan-1) * m_Spacing; |
ca16b7a9 | 364 | maxWidth -= (cell.colspan-1) * m_Spacing; |
79d6c018 | 365 | // HTML 4.0 says it is acceptable to distribute min/max |
79d6c018 | 366 | width /= cell.colspan; |
ca16b7a9 VS |
367 | maxWidth /= cell.colspan; |
368 | for (int j = 0; j < cell.colspan; j++) { | |
79d6c018 VS |
369 | if (width > m_ColsInfo[c+j].minWidth) |
370 | m_ColsInfo[c+j].minWidth = width; | |
ca16b7a9 VS |
371 | if (maxWidth > m_ColsInfo[c+j].maxWidth) |
372 | m_ColsInfo[c+j].maxWidth = maxWidth; | |
373 | } | |
79d6c018 VS |
374 | } |
375 | } | |
ca16b7a9 VS |
376 | // Calculate maximum table width, required for nested tables |
377 | if (m_ColsInfo[c].units == wxHTML_UNITS_PIXELS) | |
378 | m_MaxTotalWidth += wxMax(m_ColsInfo[c].width, m_ColsInfo[c].minWidth); | |
379 | else if ((m_ColsInfo[c].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[c].width != 0)) | |
380 | percentage += m_ColsInfo[c].width; | |
381 | else | |
382 | m_MaxTotalWidth += m_ColsInfo[c].maxWidth; | |
79d6c018 | 383 | } |
5526e819 | 384 | |
ca16b7a9 VS |
385 | if (percentage >= 100) |
386 | { | |
387 | // Table would have infinite length | |
388 | // Make it ridiculous large | |
389 | m_MaxTotalWidth = 0xFFFFFF; | |
390 | } | |
391 | else | |
392 | m_MaxTotalWidth = m_MaxTotalWidth * 100 / (100 - percentage); | |
393 | ||
394 | m_MaxTotalWidth += (m_NumCols + 1) * m_Spacing; | |
395 | } | |
5526e819 VS |
396 | |
397 | void wxHtmlTableCell::Layout(int w) | |
398 | { | |
79d6c018 | 399 | ComputeMinMaxWidths(); |
25c71ccc | 400 | |
026d1fac | 401 | wxHtmlCell::Layout(w); |
79d6c018 | 402 | |
5526e819 VS |
403 | /* |
404 | ||
405 | WIDTH ADJUSTING : | |
406 | ||
407 | */ | |
408 | ||
04dbb646 | 409 | if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) |
4f9297b0 | 410 | { |
ca16b7a9 VS |
411 | if (m_WidthFloat < 0) |
412 | { | |
413 | if (m_WidthFloat < -100) | |
414 | m_WidthFloat = -100; | |
415 | m_Width = (100 + m_WidthFloat) * w / 100; | |
416 | } | |
25c71ccc | 417 | else |
ca16b7a9 VS |
418 | { |
419 | if (m_WidthFloat > 100) | |
420 | m_WidthFloat = 100; | |
421 | m_Width = m_WidthFloat * w / 100; | |
422 | } | |
5526e819 | 423 | } |
04dbb646 | 424 | else |
4f9297b0 | 425 | { |
5526e819 VS |
426 | if (m_WidthFloat < 0) m_Width = w + m_WidthFloat; |
427 | else m_Width = m_WidthFloat; | |
428 | } | |
429 | ||
430 | ||
431 | /* | |
432 | ||
433 | LAYOUTING : | |
434 | ||
435 | */ | |
436 | ||
25c71ccc VZ |
437 | /* 1. setup columns widths: |
438 | ||
ca16b7a9 VS |
439 | The algorithm tries to keep the table size less than w if possible. |
440 | */ | |
5526e819 VS |
441 | { |
442 | int wpix = m_Width - (m_NumCols + 1) * m_Spacing; | |
443 | int i, j; | |
5526e819 VS |
444 | |
445 | // 1a. setup fixed-width columns: | |
446 | for (i = 0; i < m_NumCols; i++) | |
efba2b89 | 447 | if (m_ColsInfo[i].units == wxHTML_UNITS_PIXELS) |
79d6c018 | 448 | { |
25c71ccc | 449 | m_ColsInfo[i].pixwidth = wxMax(m_ColsInfo[i].width, |
79d6c018 VS |
450 | m_ColsInfo[i].minWidth); |
451 | wpix -= m_ColsInfo[i].pixwidth; | |
452 | } | |
5526e819 | 453 | |
ca16b7a9 VS |
454 | // 1b. Calculate maximum possible width if line wrapping would be disabled |
455 | // Recalculate total width if m_WidthFloat is zero to keep tables as small | |
456 | // as possible. | |
457 | int maxWidth = 0; | |
458 | for (i = 0; i < m_NumCols; i++) | |
459 | if (m_ColsInfo[i].width == 0) | |
460 | { | |
461 | maxWidth += m_ColsInfo[i].maxWidth; | |
462 | } | |
463 | ||
464 | if (!m_WidthFloat) | |
465 | { | |
466 | // Recalculate table width since no table width was initially given | |
467 | int newWidth = m_Width - wpix + maxWidth; | |
468 | ||
469 | // Make sure that floating-width columns will have the right size. | |
470 | // Calculate sum of all floating-width columns | |
471 | int percentage = 0; | |
472 | for (i = 0; i < m_NumCols; i++) | |
473 | if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0)) | |
474 | percentage += m_ColsInfo[i].width; | |
475 | ||
476 | if (percentage >= 100) | |
477 | newWidth = w; | |
478 | else | |
479 | newWidth = newWidth * 100 / (100 - percentage); | |
25c71ccc | 480 | |
ca16b7a9 VS |
481 | newWidth = wxMin(newWidth, w - (m_NumCols + 1) * m_Spacing); |
482 | wpix -= m_Width - newWidth; | |
483 | m_Width = newWidth; | |
484 | } | |
25c71ccc | 485 | |
ca16b7a9 VS |
486 | |
487 | // 1c. setup floating-width columns: | |
488 | int wtemp = wpix; | |
5526e819 | 489 | for (i = 0; i < m_NumCols; i++) |
efba2b89 | 490 | if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0)) |
79d6c018 | 491 | { |
ca16b7a9 VS |
492 | m_ColsInfo[i].pixwidth = wxMin(m_ColsInfo[i].width, 100) * wpix / 100; |
493 | ||
494 | // Make sure to leave enough space for the other columns | |
495 | int minRequired = 0; | |
496 | for (j = 0; j < m_NumCols; j++) | |
497 | { | |
498 | if ((m_ColsInfo[j].units == wxHTML_UNITS_PERCENT && j > i) || | |
499 | !m_ColsInfo[j].width) | |
500 | minRequired += m_ColsInfo[j].minWidth; | |
501 | } | |
502 | m_ColsInfo[i].pixwidth = wxMax(wxMin(wtemp - minRequired, m_ColsInfo[i].pixwidth), m_ColsInfo[i].minWidth); | |
503 | ||
504 | wtemp -= m_ColsInfo[i].pixwidth; | |
79d6c018 | 505 | } |
ca16b7a9 VS |
506 | wpix = wtemp; |
507 | ||
508 | // 1d. setup default columns (no width specification supplied): | |
509 | // The algorithm assigns calculates the maximum possible width if line | |
510 | // wrapping would be disabled and assigns column width as a fraction | |
511 | // based upon the maximum width of a column | |
512 | // FIXME: I'm not sure if this algorithm is conform to HTML standard, | |
513 | // though it seems to be much better than the old one | |
5526e819 | 514 | |
5526e819 VS |
515 | for (i = j = 0; i < m_NumCols; i++) |
516 | if (m_ColsInfo[i].width == 0) j++; | |
ca16b7a9 VS |
517 | if (wpix < 0) |
518 | wpix = 0; | |
519 | ||
520 | // Assign widths | |
5526e819 VS |
521 | for (i = 0; i < m_NumCols; i++) |
522 | if (m_ColsInfo[i].width == 0) | |
8c571f46 | 523 | { |
ca16b7a9 VS |
524 | // Assign with, make sure not to drop below minWidth |
525 | if (maxWidth) | |
25c71ccc | 526 | m_ColsInfo[i].pixwidth = (int)(wpix * (m_ColsInfo[i].maxWidth / (float)maxWidth) + 0.5); |
ca16b7a9 VS |
527 | else |
528 | m_ColsInfo[i].pixwidth = wpix / j; | |
25c71ccc | 529 | |
ca16b7a9 VS |
530 | // Make sure to leave enough space for the other columns |
531 | int minRequired = 0; | |
532 | int r; | |
533 | for (r = i + 1; r < m_NumCols; r++) | |
534 | { | |
535 | if (!m_ColsInfo[r].width) | |
536 | minRequired += m_ColsInfo[r].minWidth; | |
537 | } | |
538 | m_ColsInfo[i].pixwidth = wxMax(wxMin(wpix - minRequired, m_ColsInfo[i].pixwidth), m_ColsInfo[i].minWidth); | |
539 | ||
540 | if (maxWidth) | |
541 | { | |
542 | if (m_ColsInfo[i].pixwidth > (wpix * (m_ColsInfo[i].maxWidth / (float)maxWidth) + 0.5)) | |
543 | { | |
25c71ccc | 544 | int diff = (int)(m_ColsInfo[i].pixwidth - (wpix * m_ColsInfo[i].maxWidth / (float)maxWidth + 0.5)); |
ca16b7a9 VS |
545 | maxWidth += diff - m_ColsInfo[i].maxWidth; |
546 | } | |
547 | else | |
548 | maxWidth -= m_ColsInfo[i].maxWidth; | |
549 | } | |
550 | wpix -= m_ColsInfo[i].pixwidth; | |
8c571f46 | 551 | } |
5526e819 VS |
552 | } |
553 | ||
554 | /* 2. compute positions of columns: */ | |
555 | { | |
556 | int wpos = m_Spacing; | |
04dbb646 | 557 | for (int i = 0; i < m_NumCols; i++) |
2fa3b707 | 558 | { |
5526e819 VS |
559 | m_ColsInfo[i].leftpos = wpos; |
560 | wpos += m_ColsInfo[i].pixwidth + m_Spacing; | |
561 | } | |
562 | } | |
563 | ||
564 | /* 3. sub-layout all cells: */ | |
565 | { | |
2776d7c3 | 566 | int *ypos = new int[m_NumRows + 1]; |
5526e819 VS |
567 | |
568 | int actcol, actrow; | |
569 | int fullwid; | |
570 | wxHtmlContainerCell *actcell; | |
571 | ||
2fa3b707 VS |
572 | ypos[0] = m_Spacing; |
573 | for (actrow = 1; actrow <= m_NumRows; actrow++) ypos[actrow] = -1; | |
04dbb646 | 574 | for (actrow = 0; actrow < m_NumRows; actrow++) |
2fa3b707 VS |
575 | { |
576 | if (ypos[actrow] == -1) ypos[actrow] = ypos[actrow-1]; | |
5526e819 VS |
577 | // 3a. sub-layout and detect max height: |
578 | ||
579 | for (actcol = 0; actcol < m_NumCols; actcol++) { | |
580 | if (m_CellInfo[actrow][actcol].flag != cellUsed) continue; | |
581 | actcell = m_CellInfo[actrow][actcol].cont; | |
582 | fullwid = 0; | |
583 | for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++) | |
584 | fullwid += m_ColsInfo[i].pixwidth; | |
a97a264f | 585 | fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing; |
4f9297b0 VS |
586 | actcell->SetMinHeight(m_CellInfo[actrow][actcol].minheight, m_CellInfo[actrow][actcol].valign); |
587 | actcell->Layout(fullwid); | |
5526e819 | 588 | |
4f9297b0 | 589 | if (ypos[actrow] + actcell->GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing > ypos[actrow + m_CellInfo[actrow][actcol].rowspan]) |
5526e819 | 590 | ypos[actrow + m_CellInfo[actrow][actcol].rowspan] = |
4f9297b0 | 591 | ypos[actrow] + actcell->GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing; |
5526e819 VS |
592 | } |
593 | } | |
594 | ||
04dbb646 | 595 | for (actrow = 0; actrow < m_NumRows; actrow++) |
2fa3b707 | 596 | { |
5526e819 VS |
597 | // 3b. place cells in row & let'em all have same height: |
598 | ||
04dbb646 | 599 | for (actcol = 0; actcol < m_NumCols; actcol++) |
2fa3b707 | 600 | { |
5526e819 VS |
601 | if (m_CellInfo[actrow][actcol].flag != cellUsed) continue; |
602 | actcell = m_CellInfo[actrow][actcol].cont; | |
4f9297b0 | 603 | actcell->SetMinHeight( |
a97a264f | 604 | ypos[actrow + m_CellInfo[actrow][actcol].rowspan] - ypos[actrow] - m_Spacing, |
5526e819 VS |
605 | m_CellInfo[actrow][actcol].valign); |
606 | fullwid = 0; | |
607 | for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++) | |
608 | fullwid += m_ColsInfo[i].pixwidth; | |
a97a264f | 609 | fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing; |
4f9297b0 VS |
610 | actcell->Layout(fullwid); |
611 | actcell->SetPos(m_ColsInfo[actcol].leftpos, ypos[actrow]); | |
5526e819 | 612 | } |
5526e819 VS |
613 | } |
614 | m_Height = ypos[m_NumRows]; | |
2776d7c3 | 615 | delete[] ypos; |
5526e819 | 616 | } |
8c571f46 VS |
617 | |
618 | /* 4. adjust table's width if it was too small: */ | |
619 | if (m_NumCols > 0) | |
620 | { | |
25c71ccc | 621 | int twidth = m_ColsInfo[m_NumCols-1].leftpos + |
8c571f46 VS |
622 | m_ColsInfo[m_NumCols-1].pixwidth + m_Spacing; |
623 | if (twidth > m_Width) | |
624 | m_Width = twidth; | |
625 | } | |
5526e819 VS |
626 | } |
627 | ||
628 | ||
629 | ||
630 | ||
631 | ||
632 | ||
633 | //----------------------------------------------------------------------------- | |
634 | // The tables handler: | |
635 | //----------------------------------------------------------------------------- | |
636 | ||
637 | ||
638 | TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH") | |
639 | ||
640 | TAG_HANDLER_VARS | |
641 | wxHtmlTableCell* m_Table; | |
642 | wxString m_tAlign, m_rAlign; | |
5526e819 VS |
643 | |
644 | TAG_HANDLER_CONSTR(TABLE) | |
645 | { | |
646 | m_Table = NULL; | |
01325161 | 647 | m_tAlign = m_rAlign = wxEmptyString; |
5526e819 VS |
648 | } |
649 | ||
650 | ||
651 | TAG_HANDLER_PROC(tag) | |
652 | { | |
653 | wxHtmlContainerCell *c; | |
654 | ||
655 | // new table started, backup upper-level table (if any) and create new: | |
04dbb646 | 656 | if (tag.GetName() == wxT("TABLE")) |
2fa3b707 | 657 | { |
5526e819 VS |
658 | wxHtmlTableCell *oldt = m_Table; |
659 | wxHtmlContainerCell *oldcont; | |
5526e819 | 660 | |
4f9297b0 | 661 | oldcont = c = m_WParser->OpenContainer(); |
5526e819 | 662 | |
ca16b7a9 VS |
663 | m_Table = new wxHtmlTableCell(c, tag); |
664 | ||
665 | // width: | |
666 | { | |
667 | if (tag.HasParam(wxT("WIDTH"))) | |
668 | { | |
669 | wxString wd = tag.GetParam(wxT("WIDTH")); | |
670 | ||
671 | if (wd[wd.Length()-1] == wxT('%')) | |
672 | { | |
673 | int width = 0; | |
674 | wxSscanf(wd.c_str(), wxT("%i%%"), &width); | |
675 | m_Table->SetWidthFloat(width, wxHTML_UNITS_PERCENT); | |
676 | } | |
677 | else | |
678 | { | |
679 | int width = 0; | |
680 | wxSscanf(wd.c_str(), wxT("%i"), &width); | |
25c71ccc | 681 | m_Table->SetWidthFloat((int)(m_WParser->GetPixelScale() * width), wxHTML_UNITS_PIXELS); |
ca16b7a9 VS |
682 | } |
683 | } | |
684 | else | |
685 | m_Table->SetWidthFloat(0, wxHTML_UNITS_PIXELS); | |
686 | } | |
2755d437 | 687 | int oldAlign = m_WParser->GetAlign(); |
5526e819 | 688 | m_tAlign = wxEmptyString; |
8bd72d90 VS |
689 | if (tag.HasParam(wxT("ALIGN"))) |
690 | m_tAlign = tag.GetParam(wxT("ALIGN")); | |
5526e819 VS |
691 | |
692 | ParseInner(tag); | |
693 | ||
2755d437 | 694 | m_WParser->SetAlign(oldAlign); |
4f9297b0 VS |
695 | m_WParser->SetContainer(oldcont); |
696 | m_WParser->CloseContainer(); | |
25c71ccc | 697 | |
5526e819 | 698 | m_Table = oldt; |
d1da8872 | 699 | return true; |
5526e819 VS |
700 | } |
701 | ||
702 | ||
211dfedd | 703 | else if (m_Table) |
2fa3b707 | 704 | { |
5526e819 | 705 | // new row in table |
04dbb646 | 706 | if (tag.GetName() == wxT("TR")) |
2fa3b707 | 707 | { |
4f9297b0 | 708 | m_Table->AddRow(tag); |
5526e819 | 709 | m_rAlign = m_tAlign; |
04dbb646 | 710 | if (tag.HasParam(wxT("ALIGN"))) |
8bd72d90 | 711 | m_rAlign = tag.GetParam(wxT("ALIGN")); |
5526e819 VS |
712 | } |
713 | ||
714 | // new cell | |
04dbb646 | 715 | else |
2fa3b707 | 716 | { |
4f9297b0 VS |
717 | c = m_WParser->SetContainer(new wxHtmlContainerCell(m_Table)); |
718 | m_Table->AddCell(c, tag); | |
5526e819 | 719 | |
4f9297b0 | 720 | m_WParser->OpenContainer(); |
5526e819 | 721 | |
04dbb646 | 722 | if (tag.GetName() == wxT("TH")) /*header style*/ |
4f9297b0 | 723 | m_WParser->SetAlign(wxHTML_ALIGN_CENTER); |
2755d437 VS |
724 | else |
725 | m_WParser->SetAlign(wxHTML_ALIGN_LEFT); | |
726 | ||
727 | wxString als; | |
728 | ||
729 | als = m_rAlign; | |
730 | if (tag.HasParam(wxT("ALIGN"))) | |
731 | als = tag.GetParam(wxT("ALIGN")); | |
732 | als.MakeUpper(); | |
733 | if (als == wxT("RIGHT")) | |
734 | m_WParser->SetAlign(wxHTML_ALIGN_RIGHT); | |
735 | else if (als == wxT("LEFT")) | |
736 | m_WParser->SetAlign(wxHTML_ALIGN_LEFT); | |
737 | else if (als == wxT("CENTER")) | |
738 | m_WParser->SetAlign(wxHTML_ALIGN_CENTER); | |
739 | ||
4f9297b0 | 740 | m_WParser->OpenContainer(); |
5526e819 VS |
741 | } |
742 | } | |
d1da8872 | 743 | return false; |
5526e819 VS |
744 | } |
745 | ||
746 | TAG_HANDLER_END(TABLE) | |
747 | ||
748 | ||
749 | ||
750 | ||
751 | ||
752 | TAGS_MODULE_BEGIN(Tables) | |
753 | ||
754 | TAGS_MODULE_ADD(TABLE) | |
755 | ||
756 | TAGS_MODULE_END(Tables) | |
757 | ||
758 | ||
759 | #endif |