src/frontends/gtk/GToc.C

   1 /**
   2  * \file GToc.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author John Spray
   7  *
   8  * Full author contact details are available in file CREDITS.
   9  */
  10
  11 #include <config.h>
  12
  13 // Too hard to make concept checks work with this file
  14 #ifdef _GLIBCXX_CONCEPT_CHECKS
  15 #undef _GLIBCXX_CONCEPT_CHECKS
  16 #endif
  17 #ifdef _GLIBCPP_CONCEPT_CHECKS
  18 #undef _GLIBCPP_CONCEPT_CHECKS
  19 #endif
  20
  21 #include "GToc.h"
  22 #include "ControlToc.h"
  23
  24 #include "ghelpers.h"
  25
  26 using std::vector;
  27 using std::string;
  28
  29 namespace lyx {
  30 namespace frontend {
  31
  32 GToc::GToc(Dialog & parent)
  33         : GViewCB<ControlToc, GViewGladeB>(parent, _("Table of Contents"), false)
  34 {}
  35
  36
  37 void GToc::doBuild()
  38 {
  39         string const gladeName = findGladeFile("toc");
  40         xml_ = Gnome::Glade::Xml::create(gladeName);
  41
  42         Gtk::Button * button;
  43         xml_->get_widget("Close", button);
  44         setCancel(button);
  45         xml_->get_widget("Refresh", button);
  46         button->signal_clicked().connect(
  47                 sigc::mem_fun(*this, &GToc::updateContents));
  48
  49         changing_views_ = true;
  50
  51         // For both liststores
  52         listCols_.add(listCol_);
  53         listCols_.add(listColIndex_);
  54
  55         // TOC ListView
  56         xml_->get_widget("Contents", tocview_);
  57         tocstore_ = Gtk::ListStore::create(listCols_);
  58         tocview_->set_model(tocstore_);
  59         tocview_->append_column("Entry", listCol_);
  60
  61         listSel_ = tocview_->get_selection();
  62         listSel_->signal_changed().connect(
  63                 sigc::mem_fun(*this, &GToc::onTocViewSelected));
  64
  65         // Type Selection Combobox
  66         xml_->get_widget("Type", typecombo_);
  67         typestore_ = Gtk::ListStore::create(listCols_);
  68         typecombo_->set_model(typestore_);
  69         Gtk::CellRendererText * cell = Gtk::manage(new Gtk::CellRendererText);
  70         typecombo_->pack_start(*cell, true);
  71         typecombo_->add_attribute(*cell,"text",0);
  72         typecombo_->set_size_request(130,-1);
  73
  74         typecombo_->signal_changed().connect(
  75                 sigc::mem_fun(*this, &GToc::onTypeComboChanged));
  76
  77         changing_views_ = false;
  78 }
  79
  80
  81 void GToc::update()
  82 {
  83         updateType();
  84         updateContents();
  85 }
  86
  87
  88 void GToc::updateType()
  89 {
  90         changing_views_ = true;
  91         string const targettype =
  92                 toc::getType(controller().params().getCmdName());
  93
  94         typestore_->clear();
  95         vector<string> types = controller().getTypes();
  96
  97         // Because tiny empty ComboBoxes just look silly
  98         int const emptycombosize = 130;
  99         typecombo_->set_size_request(types.empty() ? emptycombosize : -1, -1);
 100
 101         vector<string>::iterator it = types.begin();
 102         vector<string>::iterator end = types.end();
 103         for(;it != end; ++it) {
 104                 Gtk::TreeModel::iterator row = typestore_->append();
 105                 (*row)[listCol_] = *it;
 106                 if (*it == targettype)
 107                         typecombo_->set_active(row);
 108         }
 109         changing_views_ = false;
 110 }
 111
 112
 113 void GToc::updateContents()
 114 {
 115         if (typestore_->children().empty()) {
 116                 tocstore_->clear();
 117                 (*tocstore_->append())[listCol_] = _("*** No Lists ***");
 118                 tocview_->set_sensitive(false);
 119                 return;
 120         }
 121
 122         Gtk::TreeModel::iterator it = typecombo_->get_active();
 123         Glib::ustring const type = (*it)[listCol_];
 124         toc::Toc const contents = controller().getContents(type);
 125
 126         // Check if all elements are the same.
 127         if (toc_ == contents) {
 128                 return;
 129         }
 130
 131         // List has changed, so let's update our view
 132         toc_ = contents;
 133
 134         if (contents.empty()) {
 135                 tocstore_->clear();
 136                 (*tocstore_->append())[listCol_] = _("*** No Items ***");
 137                 tocview_->set_sensitive(false);
 138                 return;
 139         }
 140
 141         // Okay, we're definitely going to put stuff in now
 142         changing_views_ = true;
 143         tocview_->set_sensitive(true);
 144         tocstore_->clear();
 145
 146         toc::Toc::const_iterator cit = contents.begin();
 147         toc::Toc::const_iterator end = contents.end();
 148
 149         for (int rowindex = 0; cit != end; ++cit, ++rowindex) {
 150                 Gtk::ListStore::iterator row = tocstore_->append();
 151                 (*row)[listCol_] = cit->asString();
 152                 (*row)[listColIndex_] = rowindex;
 153         }
 154         changing_views_ = false;
 155 }
 156
 157
 158 void GToc::onTocViewSelected()
 159 {
 160         // If we always do this, then an item is jumped to without
 161         // the user clicking on one when he changes type from TOC->figures or so
 162         if (!changing_views_) {
 163                 unsigned int choice = (*listSel_->get_selected())[listColIndex_];
 164                 if (choice < toc_.size()) {
 165                         controller().goTo(toc_[choice]);
 166                 }
 167         }
 168 }
 169
 170
 171 void GToc::onTypeComboChanged()
 172 {
 173         if(!changing_views_)
 174                 updateContents();
 175 }
 176
 177
 178 } // namespace frontend
 179 } // namespace lyx