src/insets/InsetFlex.cpp

   1 /**
   2  * \file InsetFlex.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Angus Leeming
   7  * \author Martin Vermeer
   8  * \author Jürgen Spitzmüller
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "InsetFlex.h"
  16
  17 #include "Buffer.h"
  18 #include "BufferParams.h"
  19 #include "Cursor.h"
  20 #include "FuncRequest.h"
  21 #include "FuncStatus.h"
  22 #include "Language.h"
  23 #include "Lexer.h"
  24 #include "ParIterator.h"
  25 #include "TextClass.h"
  26
  27 #include "support/gettext.h"
  28 #include "support/lstrings.h"
  29
  30 #include <ostream>
  31
  32 using namespace std;
  33
  34 namespace lyx {
  35
  36
  37 InsetFlex::InsetFlex(Buffer * buf, string const & layoutName)
  38         : InsetCollapsable(buf), name_(layoutName)
  39 {}
  40
  41
  42 InsetFlex::InsetFlex(InsetFlex const & in)
  43         : InsetCollapsable(in), name_(in.name_)
  44 {}
  45
  46
  47 // special code for InsetFlex when there is not the explicit Flex:: prefix
  48 InsetLayout const & InsetFlex::getLayout() const
  49 {
  50         if (!buffer_)
  51                 return DocumentClass::plainInsetLayout();
  52
  53         DocumentClass const & dc = buffer().params().documentClass();
  54         docstring const dname = from_utf8(name_);
  55         if (dc.hasInsetLayout(dname))
  56                 return dc.insetLayout(dname);
  57         return dc.insetLayout(from_utf8("Flex:" + name_));
  58 }
  59
  60
  61 InsetLayout::InsetDecoration InsetFlex::decoration() const
  62 {
  63         InsetLayout::InsetDecoration const dec = getLayout().decoration();
  64         return dec == InsetLayout::DEFAULT ? InsetLayout::CONGLOMERATE : dec;
  65 }
  66
  67
  68 void InsetFlex::write(ostream & os) const
  69 {
  70         os << "Flex ";
  71         InsetLayout const & il = getLayout();
  72         if (name_.empty())
  73                 os << "undefined";
  74         else {
  75                 // use il.name(), since this resolves obsoleted
  76                 // InsetLayout names
  77                 string name = to_utf8(il.name());
  78                 // Remove the "Flex:" prefix, if it is present
  79                 if (support::prefixIs(name, "Flex:"))
  80                         name = support::token(name, ':', 1);
  81                 os << name;
  82         }
  83         os << "\n";
  84         InsetCollapsable::write(os);
  85 }
  86
  87
  88 bool InsetFlex::getStatus(Cursor & cur, FuncRequest const & cmd,
  89                 FuncStatus & flag) const
  90 {
  91         switch (cmd.action()) {
  92         case LFUN_INSET_DISSOLVE:
  93                 if (!cmd.argument().empty()) {
  94                         InsetLayout const & il = getLayout();
  95                         InsetLayout::InsetLyXType const type =
  96                                 translateLyXType(to_utf8(cmd.argument()));
  97                         if (il.lyxtype() == type) {
  98                                 FuncRequest temp_cmd(LFUN_INSET_DISSOLVE);
  99                                 return InsetCollapsable::getStatus(cur, temp_cmd, flag);
 100                         } else
 101                                 return false;
 102                 }
 103                 // fall-through
 104         default:
 105                 return InsetCollapsable::getStatus(cur, cmd, flag);
 106         }
 107 }
 108
 109
 110 void InsetFlex::doDispatch(Cursor & cur, FuncRequest & cmd)
 111 {
 112         switch (cmd.action()) {
 113         case LFUN_INSET_DISSOLVE:
 114                 if (!cmd.argument().empty()) {
 115                         InsetLayout const & il = getLayout();
 116                         InsetLayout::InsetLyXType const type =
 117                                 translateLyXType(to_utf8(cmd.argument()));
 118
 119                         if (il.lyxtype() == type) {
 120                                 FuncRequest temp_cmd(LFUN_INSET_DISSOLVE);
 121                                 InsetCollapsable::doDispatch(cur, temp_cmd);
 122                         } else
 123                                 cur.undispatched();
 124                         break;
 125                 }
 126                 // fall-through
 127         default:
 128                 InsetCollapsable::doDispatch(cur, cmd);
 129                 break;
 130         }
 131 }
 132
 133
 134 void InsetFlex::updateBuffer(ParIterator const & it, UpdateType utype)
 135 {
 136         BufferParams const & bp = buffer().masterBuffer()->params();
 137         InsetLayout const & il = getLayout();
 138         docstring custom_label = translateIfPossible(il.labelstring());
 139
 140         Counters & cnts = bp.documentClass().counters();
 141         docstring const & count = il.counter();
 142         bool const have_counter = cnts.hasCounter(count);
 143         if (have_counter) {
 144                 cnts.step(count, utype);
 145                 custom_label += ' ' +
 146                         cnts.theCounter(count, it.paragraph().getParLanguage(bp)->code());
 147         }
 148         setLabel(custom_label);
 149
 150         bool const save_counter = have_counter && utype == OutputUpdate;
 151         if (save_counter) {
 152                 // we assume the counter is local to this inset
 153                 // if this turns out to be wrong in some case, we will
 154                 // need a layout flag
 155                 cnts.saveLastCounter();
 156         }
 157         InsetCollapsable::updateBuffer(it, utype);
 158         if (save_counter)
 159                 cnts.restoreLastCounter();
 160 }
 161
 162
 163 } // namespace lyx