src/frontends/xforms/FormToc.C

   1 // -*- C++ -*-
   2 /* This file is part of
   3  * ======================================================
   4  *
   5  *           LyX, The Document Processor
   6  *
   7  *           Copyright 2000 The LyX Team.
   8  *
   9  * ======================================================
  10  */
  11
  12 #include <config.h>
  13 #include <vector>
  14
  15 #include FORMS_H_LOCATION
  16
  17 #ifdef __GNUG__
  18 #pragma implementation
  19 #endif
  20
  21
  22 #include "gettext.h"
  23 #include "Dialogs.h"
  24 #include "FormToc.h"
  25 #include "LyXView.h"
  26 #include "buffer.h"
  27 #include "form_toc.h"
  28 #include "lyxtext.h"
  29
  30 static vector<Buffer::TocItem> toclist;
  31
  32 FormToc::FormToc(LyXView * lv, Dialogs * d)
  33         : FormCommand(lv, d, _("Table of Contents")), dialog_(0)
  34 {
  35         // let the dialog be shown
  36         // These are permanent connections so we won't bother
  37         // storing a copy because we won't be disconnecting.
  38         d->showTOC.connect(slot(this, &FormToc::showInset));
  39         d->createTOC.connect(slot(this, &FormToc::createInset));
  40 }
  41
  42
  43 FormToc::~FormToc()
  44 {
  45         delete dialog_;
  46 }
  47
  48
  49 void FormToc::clearStore()
  50 {
  51         toclist.clear();
  52 }
  53
  54
  55 void FormToc::build()
  56 {
  57         dialog_ = build_toc();
  58         fl_addto_choice(dialog_->type,
  59                         _(" TOC | LOF | LOT | LOA "));
  60 }
  61
  62
  63 FL_FORM * const FormToc::form() const
  64 {
  65         if( dialog_ && dialog_->form_toc )
  66                 return dialog_->form_toc;
  67         else
  68                 return 0;
  69 }
  70
  71
  72 void FormToc::update()
  73 {
  74         static int ow = -1, oh;
  75
  76         if (ow < 0) {
  77                 ow = form()->w;
  78                 oh = form()->h;
  79
  80                 fl_set_form_minsize(form(), ow, oh);
  81                 fl_set_form_maxsize(form(), 2*ow, oh);
  82         }
  83
  84         Buffer::TocType type;
  85
  86         if( params.getCmdName() == "tableofcontents" )
  87                 type = Buffer::TOC_TOC;
  88
  89         else if( params.getCmdName() == "listofalgorithms" )
  90                 type = Buffer::TOC_LOA;
  91
  92         else if( params.getCmdName() == "listoffigures" )
  93                 type = Buffer::TOC_LOF;
  94
  95         else
  96                 type = Buffer::TOC_LOT;
  97
  98         fl_set_choice( dialog_->type, type+1 );
  99
 100         updateToc();
 101 }
 102
 103
 104 void FormToc::updateToc()
 105 {
 106         if (!lv_->view()->available()) {
 107                 toclist.clear();
 108                 fl_clear_browser( dialog_->browser );
 109                 fl_add_browser_line( dialog_->browser, _("*** No Document ***"));
 110                 return;
 111         }
 112
 113         vector<vector<Buffer::TocItem> > tmp =
 114                 lv_->view()->buffer()->getTocList();
 115         int type = fl_get_choice( dialog_->type ) - 1;
 116
 117         // Check if all elements are the same.
 118         if (toclist.size() == tmp[type].size()) {
 119                 unsigned int i = 0;
 120                 for (; i < toclist.size(); ++i) {
 121                         if (toclist[i] !=  tmp[type][i])
 122                                 break;
 123                 }
 124                 if (i >= toclist.size()) return;
 125         }
 126
 127         // List has changed. Update browser
 128         toclist = tmp[type];
 129
 130         static Buffer * buffer = 0;
 131         int topline = 0;
 132         int line = 0;
 133         if (buffer == lv_->view()->buffer()) {
 134                 topline = fl_get_browser_topline( dialog_->browser );
 135                 line = fl_get_browser( dialog_->browser );
 136         } else
 137                 buffer = lv_->view()->buffer();
 138
 139         fl_clear_browser( dialog_->browser );
 140
 141         for (vector<Buffer::TocItem>::const_iterator it = toclist.begin();
 142              it != toclist.end(); ++it)
 143                 fl_add_browser_line( dialog_->browser,
 144                                      (string(4*(*it).depth,' ')+(*it).str).c_str());
 145
 146         fl_set_browser_topline( dialog_->browser, topline );
 147         fl_select_browser_line( dialog_->browser, line );
 148 }
 149
 150
 151 void FormToc::apply()
 152 {
 153         if (!lv_->view()->available())
 154                 return;
 155
 156         updateToc();
 157
 158         unsigned int choice = fl_get_browser( dialog_->browser );
 159         if (0 < choice && choice - 1 < toclist.size()) {
 160                 lv_->view()->beforeChange();
 161                 lv_->view()->text->SetCursor( lv_->view(), toclist[choice-1].par, 0 );
 162                 lv_->view()->text->sel_cursor =
 163                         lv_->view()->text->cursor;
 164                 lv_->view()->update(BufferView::SELECT|BufferView::FITCUR);
 165         }
 166 }