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         : InsetCollapsible(buf), name_(layoutName)
  39 {}
  40
  41
  42 InsetFlex::InsetFlex(InsetFlex const & in)
  43         : InsetCollapsible(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         string name;
  72         if (name_.empty())
  73                 name = "undefined";
  74         else {
  75                 InsetLayout const & il = getLayout();
  76                 // use il.name(), since this resolves obsoleted InsetLayout names
  77                 if (il.name() == "undefined")
  78                         // This is the name of the plain_insetlayout_. We assume that the
  79                         // name resolution has failed.
  80                         name = name_;
  81                 else {
  82                         name = to_utf8(il.name());
  83                         // Remove the "Flex:" prefix, if it is present
  84                         if (support::prefixIs(name, "Flex:"))
  85                                 name = support::split(name, ':');
  86                 }
  87         }
  88         os << name << "\n";
  89         InsetCollapsible::write(os);
  90 }
  91
  92
  93 bool InsetFlex::getStatus(Cursor & cur, FuncRequest const & cmd,
  94                 FuncStatus & flag) const
  95 {
  96         switch (cmd.action()) {
  97         case LFUN_INSET_DISSOLVE:
  98                 if (!cmd.argument().empty()) {
  99                         InsetLayout const & il = getLayout();
 100                         InsetLayout::InsetLyXType const type =
 101                                 translateLyXType(to_utf8(cmd.argument()));
 102                         if (il.lyxtype() == type) {
 103                                 FuncRequest temp_cmd(LFUN_INSET_DISSOLVE);
 104                                 return InsetCollapsible::getStatus(cur, temp_cmd, flag);
 105                         } else
 106                                 return false;
 107                 }
 108                 // fall-through
 109         default:
 110                 return InsetCollapsible::getStatus(cur, cmd, flag);
 111         }
 112 }
 113
 114
 115 void InsetFlex::doDispatch(Cursor & cur, FuncRequest & cmd)
 116 {
 117         switch (cmd.action()) {
 118         case LFUN_INSET_DISSOLVE:
 119                 if (!cmd.argument().empty()) {
 120                         InsetLayout const & il = getLayout();
 121                         InsetLayout::InsetLyXType const type =
 122                                 translateLyXType(to_utf8(cmd.argument()));
 123
 124                         if (il.lyxtype() == type) {
 125                                 FuncRequest temp_cmd(LFUN_INSET_DISSOLVE);
 126                                 InsetCollapsible::doDispatch(cur, temp_cmd);
 127                         } else
 128                                 cur.undispatched();
 129                         break;
 130                 }
 131                 // fall-through
 132         default:
 133                 InsetCollapsible::doDispatch(cur, cmd);
 134                 break;
 135         }
 136 }
 137
 138
 139 void InsetFlex::updateBuffer(ParIterator const & it, UpdateType utype)
 140 {
 141         BufferParams const & bp = buffer().masterBuffer()->params();
 142         InsetLayout const & il = getLayout();
 143         docstring custom_label = translateIfPossible(il.labelstring());
 144
 145         Counters & cnts = bp.documentClass().counters();
 146         docstring const & count = il.counter();
 147         bool const have_counter = cnts.hasCounter(count);
 148         if (have_counter) {
 149                 Paragraph const & par = it.paragraph();
 150                 if (!par.isDeleted(it.pos())) {
 151                         cnts.step(count, utype);
 152                         custom_label += ' ' +
 153                                 cnts.theCounter(count, it.paragraph().getParLanguage(bp)->code());
 154                 } else
 155                         custom_label += ' ' + from_ascii("#");
 156         }
 157         setLabel(custom_label);
 158
 159         bool const save_counter = have_counter && utype == OutputUpdate;
 160         if (save_counter) {
 161                 // we assume the counter is local to this inset
 162                 // if this turns out to be wrong in some case, we will
 163                 // need a layout flag
 164                 cnts.saveLastCounter();
 165         }
 166         InsetCollapsible::updateBuffer(it, utype);
 167         if (save_counter)
 168                 cnts.restoreLastCounter();
 169 }
 170
 171
 172 } // namespace lyx