src/frontends/xforms/FormCitation.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2000-2001 The LyX Team.
   8  *
   9  * ======================================================
  10  *
  11  * \file FormCitation.C
  12  * \author Angus Leeming, a.leeming@ic.ac.uk
  13  */
  14
  15 #include <config.h>
  16 #include <algorithm>
  17
  18 #ifdef __GNUG__
  19 #pragma implementation
  20 #endif
  21
  22 #include "xformsBC.h"
  23 #include "ControlCitation.h"
  24 #include "FormCitation.h"
  25 #include "form_citation.h"
  26 #include "gettext.h"
  27 #include "support/lstrings.h"
  28 #include "biblio.h"
  29 #include "helper_funcs.h"
  30 #include "xforms_helpers.h"
  31
  32 using std::find;
  33 using std::max;
  34 using std::min;
  35 using std::pair;
  36 using std::sort;
  37 using std::vector;
  38
  39 typedef FormCB<ControlCitation, FormDB<FD_form_citation> > base_class;
  40
  41 FormCitation::FormCitation(ControlCitation & c)
  42         : base_class(c, _("Citation"))
  43 {}
  44
  45
  46 void FormCitation::apply()
  47 {
  48         controller().params().setCmdName("cite");
  49         controller().params().setContents(getStringFromVector(citekeys));
  50
  51         string const after  = fl_get_input(dialog_->input_after);
  52         controller().params().setOptions(after);
  53 }
  54
  55
  56 void FormCitation::hide()
  57 {
  58         citekeys.clear();
  59         bibkeys.clear();
  60
  61         FormBase::hide();
  62 }
  63
  64
  65 void FormCitation::build()
  66 {
  67         dialog_.reset(build_citation());
  68
  69         fl_set_input_return(dialog_->input_after,  FL_RETURN_CHANGED);
  70         fl_set_input_return(dialog_->input_before, FL_RETURN_CHANGED);
  71
  72         fl_set_button(dialog_->button_search_case, 0);
  73         fl_set_button(dialog_->button_search_type, 0);
  74
  75         // Manage the ok, apply, restore and cancel/close buttons
  76         bc().setOK(dialog_->button_ok);
  77         bc().setApply(dialog_->button_apply);
  78         bc().setCancel(dialog_->button_cancel);
  79         bc().setRestore(dialog_->button_restore);
  80
  81         bc().addReadOnly(dialog_->button_add);
  82         bc().addReadOnly(dialog_->button_del);
  83         bc().addReadOnly(dialog_->button_up);
  84         bc().addReadOnly(dialog_->button_down);
  85         bc().addReadOnly(dialog_->choice_style);
  86         bc().addReadOnly(dialog_->input_before);
  87         bc().addReadOnly(dialog_->input_after);
  88
  89 }
  90
  91
  92 ButtonPolicy::SMInput FormCitation::input(FL_OBJECT * ob, long)
  93 {
  94         ButtonPolicy::SMInput activate = ButtonPolicy::SMI_NOOP;
  95
  96         biblio::InfoMap const & theMap = controller().bibkeysInfo();
  97
  98         if (ob == dialog_->browser_bib) {
  99                 fl_deselect_browser(dialog_->browser_cite);
 100
 101                 unsigned int const sel = fl_get_browser(dialog_->browser_bib);
 102                 if (sel < 1 || sel > bibkeys.size())
 103                         return ButtonPolicy::SMI_NOOP;
 104
 105                 // Put into browser_info the additional info associated with
 106                 // the selected browser_bib key
 107                 fl_clear_browser(dialog_->browser_info);
 108
 109                 string const tmp = formatted(biblio::getInfo(theMap,
 110                                                              bibkeys[sel-1]),
 111                                               dialog_->browser_info->w-10 );
 112                 fl_add_browser_line(dialog_->browser_info, tmp.c_str());
 113
 114                 // Highlight the selected browser_bib key in browser_cite if
 115                 // present
 116                 vector<string>::const_iterator cit =
 117                         find(citekeys.begin(), citekeys.end(), bibkeys[sel-1]);
 118
 119                 if (cit != citekeys.end()) {
 120                         int const n = int(cit - citekeys.begin());
 121                         fl_select_browser_line(dialog_->browser_cite, n+1);
 122                         fl_set_browser_topline(dialog_->browser_cite, n+1);
 123                 }
 124
 125                 if (!controller().isReadonly()) {
 126                         if (cit != citekeys.end()) {
 127                                 setBibButtons(OFF);
 128                                 setCiteButtons(ON);
 129                         } else {
 130                                 setBibButtons(ON);
 131                                 setCiteButtons(OFF);
 132                         }
 133                 }
 134
 135         } else if (ob == dialog_->browser_cite) {
 136                 unsigned int const sel = fl_get_browser(dialog_->browser_cite);
 137                 if (sel < 1 || sel > citekeys.size())
 138                         return ButtonPolicy::SMI_NOOP;
 139
 140                 if (!controller().isReadonly()) {
 141                         setBibButtons(OFF);
 142                         setCiteButtons(ON);
 143                 }
 144
 145                 // Highlight the selected browser_cite key in browser_bib
 146                 vector<string>::const_iterator cit =
 147                         find(bibkeys.begin(), bibkeys.end(), citekeys[sel-1]);
 148
 149                 if (cit != bibkeys.end()) {
 150                         int const n = int(cit - bibkeys.begin());
 151                         fl_select_browser_line(dialog_->browser_bib, n+1);
 152                         fl_set_browser_topline(dialog_->browser_bib, n+1);
 153
 154                         // Put into browser_info the additional info associated
 155                         // with the selected browser_cite key
 156                         fl_clear_browser(dialog_->browser_info);
 157                         string const tmp =
 158                                 formatted(biblio::getInfo(theMap,
 159                                                           bibkeys[sel-1]),
 160                                           dialog_->browser_info->w-10);
 161                         fl_add_browser_line(dialog_->browser_info, tmp.c_str());
 162                 }
 163
 164         } else if (ob == dialog_->button_add) {
 165                 unsigned int const sel = fl_get_browser(dialog_->browser_bib);
 166                 if (sel < 1 || sel > bibkeys.size())
 167                         return ButtonPolicy::SMI_NOOP;
 168
 169                 // Add the selected browser_bib key to browser_cite
 170                 fl_addto_browser(dialog_->browser_cite,
 171                                   bibkeys[sel-1].c_str());
 172                 citekeys.push_back(bibkeys[sel-1]);
 173
 174                 int const n = int(citekeys.size());
 175                 fl_select_browser_line(dialog_->browser_cite, n);
 176
 177                 setBibButtons(OFF);
 178                 setCiteButtons(ON);
 179                 activate = ButtonPolicy::SMI_VALID;
 180
 181         } else if (ob == dialog_->button_del) {
 182                 unsigned int const sel = fl_get_browser(dialog_->browser_cite);
 183                 if (sel < 1 || sel > citekeys.size())
 184                         return ButtonPolicy::SMI_NOOP;
 185
 186                 // Remove the selected key from browser_cite
 187                 fl_delete_browser_line(dialog_->browser_cite, sel) ;
 188                 citekeys.erase(citekeys.begin() + sel-1);
 189
 190                 setBibButtons(ON);
 191                 setCiteButtons(OFF);
 192                 activate = ButtonPolicy::SMI_VALID;
 193
 194         } else if (ob == dialog_->button_up) {
 195                 unsigned int const sel = fl_get_browser(dialog_->browser_cite);
 196                 if (sel < 2 || sel > citekeys.size())
 197                         return ButtonPolicy::SMI_NOOP;
 198
 199                 // Move the selected key up one line
 200                 vector<string>::iterator it = citekeys.begin() + sel-1;
 201                 string const tmp = *it;
 202
 203                 fl_delete_browser_line(dialog_->browser_cite, sel);
 204                 citekeys.erase(it);
 205
 206                 fl_insert_browser_line(dialog_->browser_cite, sel-1, tmp.c_str());
 207                 fl_select_browser_line(dialog_->browser_cite, sel-1);
 208                 citekeys.insert(it-1, tmp);
 209                 setCiteButtons(ON);
 210                 activate = ButtonPolicy::SMI_VALID;
 211
 212         } else if (ob == dialog_->button_down) {
 213                 unsigned int const sel = fl_get_browser(dialog_->browser_cite);
 214                 if (sel < 1 || sel > citekeys.size()-1)
 215                         return ButtonPolicy::SMI_NOOP;
 216
 217                 // Move the selected key down one line
 218                 vector<string>::iterator it = citekeys.begin() + sel-1;
 219                 string const tmp = *it;
 220
 221                 fl_delete_browser_line(dialog_->browser_cite, sel);
 222                 citekeys.erase(it);
 223
 224                 fl_insert_browser_line(dialog_->browser_cite, sel+1, tmp.c_str());
 225                 fl_select_browser_line(dialog_->browser_cite, sel+1);
 226                 citekeys.insert(it+1, tmp);
 227                 setCiteButtons(ON);
 228                 activate = ButtonPolicy::SMI_VALID;
 229
 230         } else if (ob == dialog_->button_previous ||
 231                    ob == dialog_->button_next) {
 232
 233                 string const str = fl_get_input(dialog_->input_search);
 234
 235                 biblio::Direction const dir =
 236                         (ob == dialog_->button_previous) ?
 237                         biblio::BACKWARD : biblio::FORWARD;
 238
 239                 biblio::Search const type =
 240                         fl_get_button(dialog_->button_search_type) ?
 241                         biblio::REGEX : biblio::SIMPLE;
 242
 243                 vector<string>::const_iterator start = bibkeys.begin();
 244                 int const sel = fl_get_browser(dialog_->browser_bib);
 245                 if (sel >= 1 && sel <= int(bibkeys.size()))
 246                         start += sel-1;
 247
 248                 // Find the NEXT instance...
 249                 if (dir == biblio::FORWARD)
 250                         start += 1;
 251                 else
 252                         start -= 1;
 253
 254                 bool const caseSensitive =
 255                         fl_get_button(dialog_->button_search_case);
 256
 257                 vector<string>::const_iterator const cit =
 258                         biblio::searchKeys(theMap, bibkeys, str,
 259                                            start, type, dir, caseSensitive);
 260
 261                 if (cit == bibkeys.end())
 262                         return ButtonPolicy::SMI_NOOP;
 263
 264                 int const found = int(cit - bibkeys.begin()) + 1;
 265                 if (found == sel)
 266                         return ButtonPolicy::SMI_NOOP;
 267
 268                 // Update the display
 269                 int const top = max(found-5, 1);
 270                 fl_set_browser_topline(dialog_->browser_bib, top);
 271                 fl_select_browser_line(dialog_->browser_bib, found);
 272                 input(dialog_->browser_bib, 0);
 273
 274         } else if (ob == dialog_->choice_style ||
 275                    ob == dialog_->input_before ||
 276                    ob == dialog_->input_after) {
 277                 activate = ButtonPolicy::SMI_VALID;
 278         }
 279
 280         return activate;
 281 }
 282
 283
 284 void FormCitation::update()
 285 {
 286         // Make the list of all available bibliography keys
 287         bibkeys = biblio::getKeys(controller().bibkeysInfo());
 288         updateBrowser(dialog_->browser_bib, bibkeys);
 289
 290         // Ditto for the keys cited in this inset
 291         citekeys = getVectorFromString(controller().params().getContents());
 292         updateBrowser(dialog_->browser_cite, citekeys);
 293
 294         // No keys have been selected yet, so...
 295         fl_clear_browser(dialog_->browser_info);
 296         setBibButtons(OFF);
 297         setCiteButtons(OFF);
 298
 299         int noKeys = int(max(bibkeys.size(), citekeys.size()));
 300
 301         // Place bounds, so that 4 <= noKeys <= 10
 302         noKeys = max(4, min(10, noKeys));
 303
 304         // Re-size the form to accommodate the new browser size
 305         int const size = 20 * noKeys;
 306         bool const bibPresent = (bibkeys.size() > 0);
 307         setSize(size, bibPresent);
 308
 309         fl_set_input(dialog_->input_after,
 310                      controller().params().getOptions().c_str());
 311 }
 312
 313
 314 void FormCitation::updateBrowser(FL_OBJECT * browser,
 315                                  vector<string> const & keys) const
 316 {
 317         fl_clear_browser(browser);
 318
 319         for (vector<string>::const_iterator it = keys.begin();
 320              it < keys.end(); ++it) {
 321                 string key = frontStrip(strip(*it));
 322                 if (!key.empty())
 323                         fl_add_browser_line(browser, key.c_str());
 324         }
 325 }
 326
 327
 328 void FormCitation::setBibButtons(State status) const
 329 {
 330         setEnabled(dialog_->button_add, (status == ON));
 331 }
 332
 333
 334 void FormCitation::setCiteButtons(State status) const
 335 {
 336         int const sel     = fl_get_browser(dialog_->browser_cite);
 337         int const maxline = fl_get_browser_maxline(dialog_->browser_cite);
 338         bool const activate      = (status == ON);
 339         bool const activate_up   = (activate && sel != 1);
 340         bool const activate_down = (activate && sel != maxline);
 341
 342         setEnabled(dialog_->button_del,  activate);
 343         setEnabled(dialog_->button_up,   activate_up);
 344         setEnabled(dialog_->button_down, activate_down);
 345 }
 346
 347
 348 void FormCitation::setSize(int hbrsr, bool bibPresent) const
 349 {
 350         bool const natbib = false; // will eventually be input
 351         hbrsr = max(hbrsr, 175); // limit max size of cite/bib brsrs
 352
 353         // dh1, dh2, dh3 are the vertical separation between elements.
 354         // These can be specified because the browser height is fixed
 355         // so they are not changed by dynamic resizing
 356         static int const dh1 = 30; // top of form to top of cite/bib brsrs;
 357                                    // bottom of cite/bib brsrs to top of info;
 358                                    // bottom of info to top search frame;
 359                                    // bottom of search frame to top next elemnt;
 360                                    // bottom of style to top input_before;
 361                                    // bottom of text to top ok/cancel buttons.
 362         static int const dh2 = 10; // bottom of input_before to top input_after;
 363                                    // bottom of ok/cancel buttons to bottom form
 364         static int const dh3 = 5;  // spacing between add/delete/... buttons.
 365
 366         int const wbrsr  = dialog_->browser_cite->w;
 367         static int const hinfo  = dialog_->browser_info->h;
 368         static int const hframe = dialog_->frame_search->h;
 369         static int const hstyle = dialog_->choice_style->h;
 370         static int const htext  = dialog_->input_after->h;
 371         static int const hok    = dialog_->button_ok->h;
 372
 373         int hform = dh1 + hbrsr + dh1 + hframe + dh1;
 374         if (bibPresent) hform += hinfo + dh1;
 375         if (natbib) hform += hstyle + dh1 + htext + dh2;
 376         hform += htext + dh1 + hok + dh2;
 377
 378         if (hform != minh_) {
 379                 minh_ = hform;
 380                 fl_set_form_size(dialog_->form, minw_, minh_);
 381         } else
 382                 return;
 383
 384         int x = 0;
 385         int y = 0;
 386         fl_set_object_geometry(dialog_->box, x, y, minw_, minh_);
 387
 388         x = dialog_->browser_cite->x;
 389         y += dh1;
 390         fl_set_object_geometry(dialog_->browser_cite, x, y, wbrsr, hbrsr);
 391         x = dialog_->browser_bib->x;
 392         fl_set_object_geometry(dialog_->browser_bib,  x, y, wbrsr, hbrsr);
 393
 394         x = dialog_->button_add->x;
 395         fl_set_object_position(dialog_->button_add,  x, y);
 396         y += dh3 + dialog_->button_add->h;
 397         fl_set_object_position(dialog_->button_del,  x, y);
 398         y += dh3 + dialog_->button_del->h;
 399         fl_set_object_position(dialog_->button_up,   x, y);
 400         y += dh3 + dialog_->button_up->h;
 401         fl_set_object_position(dialog_->button_down, x, y);
 402
 403         y = dh1 + hbrsr + dh1; // in position for next element
 404
 405         if (bibPresent) {
 406                 x = dialog_->browser_info->x;
 407                 fl_set_object_position(dialog_->browser_info, x, y);
 408                 fl_show_object(dialog_->browser_info);
 409                 y += hinfo + dh1;
 410         } else
 411                 fl_hide_object(dialog_->browser_info);
 412
 413         x = dialog_->frame_search->x;
 414         // ??? The frame height seems to be reduced. Use geometry to enforce it.
 415         fl_set_object_geometry(dialog_->frame_search, x, y,
 416                                dialog_->frame_search->w, hframe);
 417         //fl_set_object_position(dialog_->frame_search, x, y);
 418
 419         x = dialog_->input_search->x;
 420         y += 15;
 421         fl_set_object_position(dialog_->input_search, x, y);
 422
 423         x = dialog_->button_previous->x;
 424         y += dialog_->input_search->h + 5;
 425         fl_set_object_position(dialog_->button_previous, x, y);
 426
 427         x = dialog_->button_next->x;
 428         y += dialog_->button_previous->h + 5;
 429         fl_set_object_position(dialog_->button_next, x, y);
 430
 431         x = dialog_->button_search_type->x;
 432         y = dialog_->button_previous->y;
 433         fl_set_object_position(dialog_->button_search_type, x, y);
 434
 435         x = dialog_->button_search_case->x;
 436         y = dialog_->button_next->y;
 437         fl_set_object_position(dialog_->button_search_case, x, y);
 438
 439         y = dialog_->frame_search->y + hframe + dh1;
 440
 441         if (natbib) {
 442                 x = dialog_->choice_style->x;
 443                 fl_set_object_position(dialog_->choice_style, x, y);
 444                 fl_show_object(dialog_->choice_style);
 445                 x = dialog_->input_before->x;
 446                 y += hstyle + dh1;
 447                 fl_set_object_position(dialog_->input_before, x, y);
 448                 fl_show_object(dialog_->input_before);
 449                 y += htext + dh2;
 450         } else {
 451                 fl_hide_object(dialog_->choice_style);
 452                 fl_hide_object(dialog_->input_before);
 453         }
 454
 455         x = dialog_->input_after->x;
 456         fl_set_object_position(dialog_->input_after, x, y);
 457
 458         y += htext + dh1;
 459         x = dialog_->button_restore->x;
 460         fl_set_object_position(dialog_->button_restore, x, y);
 461         x = dialog_->button_ok->x;
 462         fl_set_object_position(dialog_->button_ok, x, y);
 463         x = dialog_->button_apply->x;
 464         fl_set_object_position(dialog_->button_apply, x, y);
 465         x = dialog_->button_cancel->x;
 466         fl_set_object_position(dialog_->button_cancel, x, y);
 467 }