src/insets/InsetBranch.cpp

   1 /**
   2  * \file InsetBranch.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Martin Vermeer
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "InsetBranch.h"
  14
  15 #include "Buffer.h"
  16 #include "BufferParams.h"
  17 #include "BufferView.h"
  18 #include "BranchList.h"
  19 #include "ColorSet.h"
  20 #include "Counters.h"
  21 #include "Cursor.h"
  22 #include "DispatchResult.h"
  23 #include "FuncRequest.h"
  24 #include "FuncStatus.h"
  25 #include "Lexer.h"
  26 #include "LyX.h"
  27 #include "OutputParams.h"
  28 #include "output_xhtml.h"
  29 #include "TextClass.h"
  30 #include "TocBackend.h"
  31
  32 #include "support/debug.h"
  33 #include "support/gettext.h"
  34 #include "support/lstrings.h"
  35
  36 #include "frontends/alert.h"
  37 #include "frontends/Application.h"
  38
  39 #include <sstream>
  40
  41 using namespace std;
  42
  43
  44 namespace lyx {
  45
  46 InsetBranch::InsetBranch(Buffer * buf, InsetBranchParams const & params)
  47         : InsetCollapsable(buf, InsetText::DefaultLayout), params_(params)
  48 {}
  49
  50
  51 void InsetBranch::write(ostream & os) const
  52 {
  53         os << "Branch ";
  54         params_.write(os);
  55         os << '\n';
  56         InsetCollapsable::write(os);
  57 }
  58
  59
  60 void InsetBranch::read(Lexer & lex)
  61 {
  62         params_.read(lex);
  63         InsetCollapsable::read(lex);
  64 }
  65
  66
  67 docstring InsetBranch::toolTip(BufferView const & bv, int, int) const
  68 {
  69         docstring const masterstatus = isBranchSelected() ?
  70                 _("active") : _("non-active");
  71         docstring const childstatus = isBranchSelected(true) ?
  72                 _("active") : _("non-active");
  73         docstring const status = (masterstatus == childstatus) ?
  74                 masterstatus :
  75                 support::bformat(_("master: %1$s, child: %2$s"),
  76                                                  masterstatus, childstatus);
  77         docstring const heading = params_.inverted ?
  78                 support::bformat(_("Branch, inverted (%1$s): %2$s"), status, params_.branch) :
  79                 support::bformat(_("Branch (%1$s): %2$s"), status, params_.branch);
  80         if (isOpen(bv))
  81                 return heading;
  82         return toolTipText(heading + from_ascii("\n"));
  83 }
  84
  85
  86 docstring const InsetBranch::buttonLabel(BufferView const &) const
  87 {
  88         static char_type const tick = 0x2714; // ✔ U+2714 HEAVY CHECK MARK
  89         static char_type const cross = 0x2716; // ✖ U+2716 HEAVY MULTIPLICATION X
  90         static char_type const itick = 0x271A; // ✚ U+271A HEAVY GREEK CROSS
  91         static char_type const icross = 0x274E; // ❎ U+274E NEGATIVE SQUARED CROSS MARK
  92
  93         Buffer const & realbuffer = *buffer().masterBuffer();
  94         BranchList const & branchlist = realbuffer.params().branchlist();
  95         bool const inmaster = branchlist.find(params_.branch);
  96         bool const inchild = buffer().params().branchlist().find(params_.branch);
  97
  98         bool const master_selected = isBranchSelected();
  99         bool const child_selected = isBranchSelected(true);
 100
 101         docstring symb = docstring(1, master_selected ?
 102                 (params_.inverted ? icross : tick) :
 103                 (params_.inverted ? itick: cross));
 104         if (inchild && master_selected != child_selected) {
 105                 symb += child_selected ?
 106                         (params_.inverted ? icross : tick) :
 107                         (params_.inverted ? itick: cross);
 108         }
 109
 110         if (decoration() == InsetLayout::MINIMALISTIC)
 111                 return symb + params_.branch;
 112
 113         docstring s;
 114         if (inmaster && inchild)
 115                 s = _("Branch: ");
 116         else if (inchild) // && !inmaster
 117                 s = _("Branch (child): ");
 118         else if (inmaster) // && !inchild
 119                 s = _("Branch (master): ");
 120         else // !inmaster && !inchild
 121                 s = _("Branch (undefined): ");
 122         s += params_.branch;
 123
 124         return symb + s;
 125 }
 126
 127
 128 ColorCode InsetBranch::backgroundColor(PainterInfo const & pi) const
 129 {
 130         if (params_.branch.empty())
 131                 return Inset::backgroundColor(pi);
 132         // FIXME UNICODE
 133         ColorCode c = lcolor.getFromLyXName(to_utf8(params_.branch));
 134         if (c == Color_none)
 135                 c = Color_error;
 136         return c;
 137 }
 138
 139
 140 void InsetBranch::doDispatch(Cursor & cur, FuncRequest & cmd)
 141 {
 142         switch (cmd.action()) {
 143         case LFUN_INSET_MODIFY: {
 144                 InsetBranchParams params;
 145                 InsetBranch::string2params(to_utf8(cmd.argument()), params);
 146
 147                 cur.recordUndoInset(this);
 148                 params_.branch = params.branch;
 149                 params_.inverted = params.inverted;
 150                 // what we really want here is a TOC update, but that means
 151                 // a full buffer update
 152                 cur.forceBufferUpdate();
 153                 break;
 154         }
 155         case LFUN_BRANCH_ACTIVATE:
 156         case LFUN_BRANCH_DEACTIVATE:
 157         case LFUN_BRANCH_MASTER_ACTIVATE:
 158         case LFUN_BRANCH_MASTER_DEACTIVATE: {
 159                 bool const master = (cmd.action() == LFUN_BRANCH_MASTER_ACTIVATE
 160                                      || cmd.action() == LFUN_BRANCH_MASTER_DEACTIVATE);
 161                 Buffer * buf = master ? const_cast<Buffer *>(buffer().masterBuffer())
 162                                       : &buffer();
 163
 164                 Branch * our_branch = buf->params().branchlist().find(params_.branch);
 165                 if (!our_branch)
 166                         break;
 167
 168                 bool const activate = (cmd.action() == LFUN_BRANCH_ACTIVATE
 169                                        || cmd.action() == LFUN_BRANCH_MASTER_ACTIVATE);
 170                 if (our_branch->isSelected() != activate) {
 171                         // FIXME If the branch is in the master document, we cannot
 172                         // call recordUndo..., because the master may be hidden, and
 173                         // the code presently assumes that hidden documents can never
 174                         // be dirty. See GuiView::closeBufferAll(), for example.
 175                         // An option would be to check if the master is hidden.
 176                         // If it is, unhide.
 177                         if (!master)
 178                                 buffer().undo().recordUndoBufferParams(cur);
 179                         else
 180                                 // at least issue a warning for now (ugly, but better than dataloss).
 181                                 frontend::Alert::warning(_("Branch state changes in master document"),
 182                                     lyx::support::bformat(_("The state of the branch '%1$s' "
 183                                         "was changed in the master file. "
 184                                         "Please make sure to save the master."), params_.branch), true);
 185                         our_branch->setSelected(activate);
 186                         // cur.forceBufferUpdate() is not enough
 187                         buf->updateBuffer();
 188                 }
 189                 break;
 190         }
 191         case LFUN_BRANCH_ADD:
 192                 lyx::dispatch(FuncRequest(LFUN_BRANCH_ADD, params_.branch));
 193                 break;
 194         case LFUN_INSET_TOGGLE:
 195                 if (cmd.argument() == "assign")
 196                         setStatus(cur, isBranchSelected() ? Open : Collapsed);
 197                 else
 198                         InsetCollapsable::doDispatch(cur, cmd);
 199                 break;
 200
 201         default:
 202                 InsetCollapsable::doDispatch(cur, cmd);
 203                 break;
 204         }
 205 }
 206
 207
 208 bool InsetBranch::getStatus(Cursor & cur, FuncRequest const & cmd,
 209                 FuncStatus & flag) const
 210 {
 211         bool const known_branch =
 212                 buffer().params().branchlist().find(params_.branch);
 213
 214         switch (cmd.action()) {
 215         case LFUN_INSET_MODIFY:
 216                 flag.setEnabled(true);
 217                 break;
 218
 219         case LFUN_BRANCH_ACTIVATE:
 220                 flag.setEnabled(known_branch && !isBranchSelected(true));
 221                 break;
 222
 223         case LFUN_BRANCH_ADD:
 224                 flag.setEnabled(!known_branch);
 225                 break;
 226
 227         case LFUN_BRANCH_DEACTIVATE:
 228                 flag.setEnabled(isBranchSelected(true));
 229                 break;
 230
 231         case LFUN_BRANCH_MASTER_ACTIVATE:
 232                 flag.setEnabled(buffer().parent()
 233                                 && buffer().masterBuffer()->params().branchlist().find(params_.branch)
 234                                 && !isBranchSelected());
 235                 break;
 236
 237         case LFUN_BRANCH_MASTER_DEACTIVATE:
 238                 flag.setEnabled(buffer().parent() && isBranchSelected());
 239                 break;
 240
 241         case LFUN_INSET_TOGGLE:
 242                 if (cmd.argument() == "assign")
 243                         flag.setEnabled(true);
 244                 else
 245                         return InsetCollapsable::getStatus(cur, cmd, flag);
 246                 break;
 247
 248         default:
 249                 return InsetCollapsable::getStatus(cur, cmd, flag);
 250         }
 251         return true;
 252 }
 253
 254
 255 bool InsetBranch::isBranchSelected(bool const child) const
 256 {
 257         Buffer const & realbuffer = child ? buffer() : *buffer().masterBuffer();
 258         BranchList const & branchlist = realbuffer.params().branchlist();
 259         Branch const * ourBranch = branchlist.find(params_.branch);
 260
 261         if (!ourBranch) {
 262                 // this branch is defined in child only
 263                 ourBranch = buffer().params().branchlist().find(params_.branch);
 264                 if (!ourBranch)
 265                         return false;
 266         }
 267         return ourBranch->isSelected();
 268 }
 269
 270
 271 void InsetBranch::latex(otexstream & os, OutputParams const & runparams) const
 272 {
 273         if (isBranchActive())
 274                 InsetText::latex(os, runparams);
 275 }
 276
 277
 278 int InsetBranch::plaintext(odocstringstream & os,
 279                            OutputParams const & runparams, size_t max_length) const
 280 {
 281         if (!isBranchActive())
 282                 return 0;
 283
 284         int len = InsetText::plaintext(os, runparams, max_length);
 285         return len;
 286 }
 287
 288
 289 int InsetBranch::docbook(odocstream & os,
 290                          OutputParams const & runparams) const
 291 {
 292         return isBranchActive() ?  InsetText::docbook(os, runparams) : 0;
 293 }
 294
 295
 296 docstring InsetBranch::xhtml(XHTMLStream & xs, OutputParams const & rp) const
 297 {
 298         if (isBranchActive()) {
 299                 OutputParams newrp = rp;
 300                 newrp.par_begin = 0;
 301                 newrp.par_end = text().paragraphs().size();
 302                 xhtmlParagraphs(text(), buffer(), xs, newrp);
 303         }
 304         return docstring();
 305 }
 306
 307
 308 void InsetBranch::toString(odocstream & os) const
 309 {
 310         if (isBranchActive())
 311                 InsetCollapsable::toString(os);
 312 }
 313
 314
 315 void InsetBranch::forOutliner(docstring & os, size_t const maxlen,
 316                                                           bool const shorten) const
 317 {
 318         if (isBranchActive())
 319                 InsetCollapsable::forOutliner(os, maxlen, shorten);
 320 }
 321
 322
 323 void InsetBranch::validate(LaTeXFeatures & features) const
 324 {
 325         if (isBranchActive())
 326                 InsetCollapsable::validate(features);
 327 }
 328
 329
 330 string InsetBranch::contextMenuName() const
 331 {
 332         return "context-branch";
 333 }
 334
 335
 336 bool InsetBranch::isMacroScope() const
 337 {
 338         // Its own scope if not selected by buffer
 339         return !isBranchActive();
 340 }
 341
 342
 343 string InsetBranch::params2string(InsetBranchParams const & params)
 344 {
 345         ostringstream data;
 346         params.write(data);
 347         return data.str();
 348 }
 349
 350
 351 void InsetBranch::string2params(string const & in, InsetBranchParams & params)
 352 {
 353         params = InsetBranchParams();
 354         if (in.empty())
 355                 return;
 356
 357         istringstream data(in);
 358         Lexer lex;
 359         lex.setStream(data);
 360         lex.setContext("InsetBranch::string2params");
 361         params.read(lex);
 362 }
 363
 364
 365 void InsetBranch::addToToc(DocIterator const & cpit, bool output_active,
 366                                                    UpdateType utype) const
 367 {
 368         DocIterator pit = cpit;
 369         pit.push_back(CursorSlice(const_cast<InsetBranch &>(*this)));
 370
 371         docstring str;
 372         text().forOutliner(str, TOC_ENTRY_LENGTH);
 373         str = params_.branch + (params_.inverted ? " (-):" : ": ") + str;
 374
 375         shared_ptr<Toc> toc = buffer().tocBackend().toc("branch");
 376         toc->push_back(TocItem(pit, 0, str, output_active));
 377
 378         // Proceed with the rest of the inset.
 379         bool const doing_output = output_active && isBranchActive();
 380         InsetCollapsable::addToToc(cpit, doing_output, utype);
 381 }
 382
 383
 384 void InsetBranchParams::write(ostream & os) const
 385 {
 386         os << to_utf8(branch)
 387            << '\n'
 388            << "inverted "
 389            << inverted;
 390 }
 391
 392
 393 void InsetBranchParams::read(Lexer & lex)
 394 {
 395         lex >> branch;
 396         lex >> "inverted" >> inverted;
 397 }
 398
 399 } // namespace lyx