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 "funcrequest.h"
  24 #include "gettext.h"
  25 #include "language.h"
  26 #include "LColor.h"
  27 #include "lyxtextclasslist.h"
  28 #include "lfuns.h"
  29 #include "paragraph.h"
  30 #include "ParagraphList_fwd.h"
  31 #include "pariterator.h"
  32
  33 #include "frontends/Alert.h"
  34 #include "frontends/LyXView.h"
  35
  36 #include "support/filetools.h"
  37 #include "support/path_defines.h"
  38
  39 using lyx::support::AddName;
  40 using lyx::support::AddPath;
  41 using lyx::support::bformat;
  42 using lyx::support::user_lyxdir;
  43
  44 using std::string;
  45
  46
  47 ControlDocument::ControlDocument(LyXView & lv, Dialogs & d)
  48         : ControlDialogBD(lv, d), bp_(0)
  49 {}
  50
  51
  52 ControlDocument::~ControlDocument()
  53 {}
  54
  55
  56 BufferParams & ControlDocument::params()
  57 {
  58         BOOST_ASSERT(bp_.get());
  59         return *bp_;
  60 }
  61
  62
  63 LyXTextClass ControlDocument::textClass()
  64 {
  65         return textclasslist[bp_->textclass];
  66 }
  67
  68
  69 void ControlDocument::apply()
  70 {
  71         if (!bufferIsAvailable())
  72                 return;
  73
  74         view().apply();
  75
  76         // this must come first so that a language change
  77         // is correctly noticed
  78         setLanguage();
  79
  80         classApply();
  81
  82         buffer()->params() = *bp_;
  83
  84         lv_.view()->redoCurrentBuffer();
  85
  86         buffer()->markDirty();
  87
  88         lv_.message(_("Document settings applied"));
  89
  90         // branches
  91         BranchList & branchlist = params().branchlist();
  92         BranchList::const_iterator it = branchlist.begin();
  93         BranchList::const_iterator const end = branchlist.end();
  94         for (; it != end; ++it) {
  95                 string const & current_branch = it->getBranch();
  96                 Branch const * branch = branchlist.find(current_branch);
  97                 string x11hexname = branch->getColor();
  98                 // check that we have a valid color!
  99                 if (x11hexname.empty() || x11hexname[0] != '#')
 100                         x11hexname = lcolor.getX11Name(LColor::background);
 101                 // display the new color
 102                 string const str = current_branch  + ' ' + x11hexname;
 103                 lv_.dispatch(FuncRequest(LFUN_SET_COLOR, str));
 104         }
 105
 106         // Open insets of selected branches, close deselected ones
 107         // Currently only top-level insets in buffer handled (bug).
 108         ParIterator pit = buffer()->par_iterator_begin();
 109         ParIterator pend = buffer()->par_iterator_end();
 110         for (; pit != pend; ++pit) {
 111                 pit->insetlist.insetsOpenCloseBranch(*buffer());
 112         }
 113 }
 114
 115
 116 void ControlDocument::setParams()
 117 {
 118         if (!bp_.get())
 119                 bp_.reset(new BufferParams);
 120
 121         /// Set the buffer parameters
 122         *bp_ = buffer()->params();
 123 }
 124
 125
 126 void ControlDocument::setLanguage()
 127 {
 128         Language const * oldL = buffer()->params().language;
 129         Language const * newL = bp_->language;
 130
 131         if (oldL != newL) {
 132
 133                 if (oldL->RightToLeft() == newL->RightToLeft()
 134                     && !lv_.buffer()->isMultiLingual())
 135                         lv_.buffer()->changeLanguage(oldL, newL);
 136                 else
 137                     lv_.buffer()->updateDocLang(newL);
 138         }
 139 }
 140
 141
 142 void ControlDocument::classApply()
 143 {
 144         BufferParams & params = buffer()->params();
 145         lyx::textclass_type const old_class = params.textclass;
 146         lyx::textclass_type const new_class = bp_->textclass;
 147
 148         // exit if nothing changes or if unable to load the new class
 149         if (new_class == old_class || !loadTextclass(new_class))
 150                 return;
 151
 152         // successfully loaded
 153         buffer()->params() = *bp_;
 154
 155         lv_.message(_("Converting document to new document class..."));
 156
 157         ErrorList el;
 158         lyx::cap::SwitchLayoutsBetweenClasses(old_class, new_class,
 159                                                  lv_.buffer()->paragraphs(),
 160                                                  el);
 161         bufferErrors(*buffer(), el);
 162         bufferview()->showErrorList(_("Class switch"));
 163 }
 164
 165
 166 bool ControlDocument::loadTextclass(lyx::textclass_type tc) const
 167 {
 168         bool const success = textclasslist[tc].load();
 169         if (success)
 170                 return success;
 171
 172         string s = bformat(_("The document could not be converted\n"
 173                         "into the document class %1$s."),
 174                         textclasslist[tc].name());
 175         Alert::error(_("Could not change class"), s);
 176
 177         return success;
 178 }
 179
 180
 181 void ControlDocument::saveAsDefault()
 182 {
 183 // Can somebody justify this ? I think it should be removed - jbl
 184 #if 0
 185         if (!Alert::askQuestion(_("Do you want to save the current settings"),
 186                                 _("for the document layout as default?"),
 187                                 _("(they will be valid for any new document)")))
 188                 return;
 189 #endif
 190
 191         lv_.buffer()->params().preamble = bp_->preamble;
 192
 193         string const fname = AddName(AddPath(user_lyxdir(), "templates/"),
 194                                      "defaults.lyx");
 195         Buffer defaults(fname);
 196         defaults.params() = params();
 197
 198         // add an empty paragraph. Is this enough?
 199         Paragraph par;
 200         par.layout(params().getLyXTextClass().defaultLayout());
 201         defaults.paragraphs().push_back(par);
 202
 203         defaults.writeFile(defaults.fileName());
 204
 205 }