src/frontends/controllers/ControlDocument.C

   1 /**
   2  * \file ControlDocument.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Edwin Leuven
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 #include "ControlDocument.h"
  14 #include "ViewBase.h"
  15
  16 #include "BranchList.h"
  17 #include "buffer.h"
  18 #include "buffer_funcs.h"
  19 #include "bufferparams.h"
  20 #include "BufferView.h"
  21 #include "CutAndPaste.h"
  22 #include "errorlist.h"
  23 #include "gettext.h"
  24 #include "iterators.h"
  25 #include "language.h"
  26 #include "LColor.h"
  27 #include "lyxtextclasslist.h"
  28 #include "paragraph.h"
  29 #include "funcrequest.h"
  30 #include "lfuns.h"
  31
  32 #include "frontends/Alert.h"
  33 #include "frontends/LyXView.h"
  34
  35 #include "support/filetools.h"
  36 #include "support/path_defines.h"
  37
  38 using lyx::support::AddName;
  39 using lyx::support::AddPath;
  40 using lyx::support::bformat;
  41 using lyx::support::user_lyxdir;
  42
  43 using std::string;
  44
  45
  46 ControlDocument::ControlDocument(LyXView & lv, Dialogs & d)
  47         : ControlDialogBD(lv, d), bp_(0)
  48 {}
  49
  50
  51 ControlDocument::~ControlDocument()
  52 {}
  53
  54
  55 BufferParams & ControlDocument::params()
  56 {
  57         BOOST_ASSERT(bp_.get());
  58         return *bp_;
  59 }
  60
  61
  62 LyXTextClass ControlDocument::textClass()
  63 {
  64         return textclasslist[bp_->textclass];
  65 }
  66
  67
  68 void ControlDocument::apply()
  69 {
  70         if (!bufferIsAvailable())
  71                 return;
  72
  73         view().apply();
  74
  75         // this must come first so that a language change
  76         // is correctly noticed
  77         setLanguage();
  78
  79         classApply();
  80
  81         buffer()->params() = *bp_;
  82
  83         lv_.view()->redoCurrentBuffer();
  84
  85         buffer()->markDirty();
  86
  87         lv_.message(_("Document settings applied"));
  88
  89         // branches
  90         BranchList & branchlist = params().branchlist();
  91         BranchList::const_iterator it = branchlist.begin();
  92         BranchList::const_iterator const end = branchlist.end();
  93         for (; it != end; ++it) {
  94                 string const & current_branch = it->getBranch();
  95                 Branch const * branch = branchlist.find(current_branch);
  96                 string x11hexname = branch->getColor();
  97                 // check that we have a valid color!
  98                 if (x11hexname.empty() || x11hexname[0] != '#')
  99                         x11hexname = lcolor.getX11Name(LColor::background);
 100                 // display the new color
 101                 string const str = current_branch  + ' ' + x11hexname;
 102                 lv_.dispatch(FuncRequest(LFUN_SET_COLOR, str));
 103         }
 104
 105         // Open insets of selected branches, close deselected ones
 106         // Currently only top-level insets in buffer handled (bug).
 107         ParIterator pit = buffer()->par_iterator_begin();
 108         ParIterator pend = buffer()->par_iterator_end();
 109         for (; pit != pend; ++pit) {
 110                 pit->insetlist.insetsOpenCloseBranch(*buffer());
 111         }
 112 }
 113
 114
 115 void ControlDocument::setParams()
 116 {
 117         if (!bp_.get())
 118                 bp_.reset(new BufferParams);
 119
 120         /// Set the buffer parameters
 121         *bp_ = buffer()->params();
 122 }
 123
 124
 125 void ControlDocument::setLanguage()
 126 {
 127         Language const * oldL = buffer()->params().language;
 128         Language const * newL = bp_->language;
 129
 130         if (oldL != newL) {
 131
 132                 if (oldL->RightToLeft() == newL->RightToLeft()
 133                     && !lv_.buffer()->isMultiLingual())
 134                         lv_.buffer()->changeLanguage(oldL, newL);
 135                 else
 136                     lv_.buffer()->updateDocLang(newL);
 137         }
 138 }
 139
 140
 141 void ControlDocument::classApply()
 142 {
 143         BufferParams & params = buffer()->params();
 144         lyx::textclass_type const old_class = params.textclass;
 145         lyx::textclass_type const new_class = bp_->textclass;
 146
 147         // exit if nothing changes or if unable to load the new class
 148         if (new_class == old_class || !loadTextclass(new_class))
 149                 return;
 150
 151         // successfully loaded
 152         buffer()->params() = *bp_;
 153
 154         lv_.message(_("Converting document to new document class..."));
 155
 156         ErrorList el;
 157         CutAndPaste::SwitchLayoutsBetweenClasses(old_class, new_class,
 158                                                  lv_.buffer()->paragraphs(),
 159                                                  el);
 160         bufferErrors(*buffer(), el);
 161         bufferview()->showErrorList(_("Class switch"));
 162 }
 163
 164
 165 bool ControlDocument::loadTextclass(lyx::textclass_type tc) const
 166 {
 167         bool const success = textclasslist[tc].load();
 168         if (success)
 169                 return success;
 170
 171         string s = bformat(_("The document could not be converted\n"
 172                         "into the document class %1$s."),
 173                         textclasslist[tc].name());
 174         Alert::error(_("Could not change class"), s);
 175
 176         return success;
 177 }
 178
 179
 180 void ControlDocument::saveAsDefault()
 181 {
 182 // Can somebody justify this ? I think it should be removed - jbl
 183 #if 0
 184         if (!Alert::askQuestion(_("Do you want to save the current settings"),
 185                                 _("for the document layout as default?"),
 186                                 _("(they will be valid for any new document)")))
 187                 return;
 188 #endif
 189
 190         lv_.buffer()->params().preamble = bp_->preamble;
 191
 192         string const fname = AddName(AddPath(user_lyxdir(), "templates/"),
 193                                      "defaults.lyx");
 194         Buffer defaults(fname);
 195         defaults.params() = params();
 196
 197         // add an empty paragraph. Is this enough?
 198         Paragraph par;
 199         par.layout(params().getLyXTextClass().defaultLayout());
 200         defaults.paragraphs().push_back(par);
 201
 202         defaults.writeFile(defaults.fileName());
 203
 204 }