src/frontends/qt4/GuiIndices.cpp

   1 /**
   2  * \file GuiIndices.cpp
   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  * \author Jürgen Spitzmüller
   8  * \author Abdelrazak Younes
   9  *
  10  * Full author contact details are available in file CREDITS.
  11  */
  12
  13 #include <config.h>
  14
  15 #include "GuiIndices.h"
  16
  17 #include "ColorCache.h"
  18 #include "GuiApplication.h"
  19 #include "Validator.h"
  20 #include "qt_helpers.h"
  21
  22 #include "frontends/alert.h"
  23
  24 #include "BufferParams.h"
  25 #include "LyXRC.h"
  26
  27 #include "support/gettext.h"
  28 #include "support/lstrings.h"
  29
  30 #include <QTreeWidget>
  31 #include <QTreeWidgetItem>
  32 #include <QPixmap>
  33 #include <QIcon>
  34 #include <QColor>
  35 #include <QColorDialog>
  36
  37
  38 using namespace std;
  39 using namespace lyx::support;
  40
  41
  42 namespace lyx {
  43 namespace frontend {
  44
  45
  46 GuiIndices::GuiIndices(QWidget * parent)
  47         : QWidget(parent)
  48 {
  49         setupUi(this);
  50         indicesTW->setColumnCount(2);
  51         indicesTW->headerItem()->setText(0, qt_("Name"));
  52         indicesTW->headerItem()->setText(1, qt_("Label Color"));
  53         indicesTW->setSortingEnabled(true);
  54
  55         indexCO->clear();
  56         indexCO->addItem(qt_("Default"), QString("default"));
  57         for (set<string>::const_iterator it = lyxrc.index_alternatives.begin();
  58                              it != lyxrc.index_alternatives.end(); ++it) {
  59                 QString const command = toqstr(*it).left(toqstr(*it).indexOf(" "));
  60                 indexCO->addItem(command, command);
  61         }
  62 }
  63
  64 void GuiIndices::update(BufferParams const & params)
  65 {
  66         indiceslist_ = params.indiceslist();
  67         multipleIndicesCB->setChecked(params.use_indices);
  68         bool const state = params.use_indices;
  69         indicesTW->setEnabled(state);
  70         newIndexLE->setEnabled(state);
  71         newIndexLA->setEnabled(state);
  72         addIndexPB->setEnabled(state);
  73         availableLA->setEnabled(state);
  74         removePB->setEnabled(state);
  75         colorPB->setEnabled(state);
  76
  77         string command;
  78         string options =
  79                 split(params.index_command, command, ' ');
  80
  81         int const pos = indexCO->findData(toqstr(command));
  82         if (pos != -1) {
  83                 indexCO->setCurrentIndex(pos);
  84                 indexOptionsED->setText(toqstr(options).trimmed());
  85         } else {
  86                 indexCO->setCurrentIndex(0);
  87                 indexOptionsED->clear();
  88         }
  89         indexOptionsED->setEnabled(
  90                 indexCO->currentIndex() != 0);
  91
  92         updateView();
  93 }
  94
  95
  96 void GuiIndices::updateView()
  97 {
  98         // store the selected index
  99         QTreeWidgetItem * item = indicesTW->currentItem();
 100         QString sel_index;
 101         if (item != 0)
 102                 sel_index = item->text(0);
 103
 104         indicesTW->clear();
 105
 106         IndicesList::const_iterator it = indiceslist_.begin();
 107         IndicesList::const_iterator const end = indiceslist_.end();
 108         for (; it != end; ++it) {
 109                 QTreeWidgetItem * newItem = new QTreeWidgetItem(indicesTW);
 110
 111                 QString const iname = toqstr(it->index());
 112                 newItem->setText(0, iname);
 113
 114                 QColor const itemcolor = rgb2qcolor(it->color());
 115                 if (itemcolor.isValid()) {
 116                         QPixmap coloritem(30, 10);
 117                         coloritem.fill(itemcolor);
 118                         newItem->setIcon(1, QIcon(coloritem));
 119                 }
 120                 // restore selected index
 121                 if (iname == sel_index) {
 122                         indicesTW->setCurrentItem(newItem);
 123                         indicesTW->setItemSelected(newItem, true);
 124                 }
 125         }
 126         bool const have_sel =
 127                 !indicesTW->selectedItems().isEmpty();
 128         removePB->setEnabled(have_sel);
 129         renamePB->setEnabled(have_sel);
 130         colorPB->setEnabled(have_sel);
 131         // emit signal
 132         changed();
 133 }
 134
 135
 136 void GuiIndices::apply(BufferParams & params) const
 137 {
 138         params.use_indices = multipleIndicesCB->isChecked();
 139         params.indiceslist() = indiceslist_;
 140
 141         string const index_command =
 142                 fromqstr(indexCO->itemData(
 143                         indexCO->currentIndex()).toString());
 144         string const index_options = fromqstr(indexOptionsED->text());
 145         if (index_command == "default" || index_options.empty())
 146                 params.index_command = index_command;
 147         else
 148                 params.index_command = index_command + " " + index_options;
 149 }
 150
 151
 152 void GuiIndices::on_indexCO_activated(int n)
 153 {
 154         indexOptionsED->setEnabled(n != 0);
 155         changed();
 156 }
 157
 158
 159 void GuiIndices::on_indexOptionsED_textChanged(QString)
 160 {
 161         changed();
 162 }
 163
 164
 165 void GuiIndices::on_addIndexPB_pressed()
 166 {
 167         QString const new_index = newIndexLE->text();
 168         if (!new_index.isEmpty()) {
 169                 indiceslist_.add(qstring_to_ucs4(new_index));
 170                 newIndexLE->clear();
 171                 updateView();
 172         }
 173 }
 174
 175
 176 void GuiIndices::on_removePB_pressed()
 177 {
 178         QTreeWidgetItem * selItem = indicesTW->currentItem();
 179         QString sel_index;
 180         if (selItem != 0)
 181                 sel_index = selItem->text(0);
 182         if (!sel_index.isEmpty()) {
 183                 if (indiceslist_.find(qstring_to_ucs4(sel_index)) ==
 184                     indiceslist_.findShortcut(from_ascii("idx"))) {
 185                         Alert::error(_("Cannot remove standard index"),
 186                               _("The default index cannot be removed."));
 187                               return;
 188                 }
 189                 indiceslist_.remove(qstring_to_ucs4(sel_index));
 190                 newIndexLE->clear();
 191                 updateView();
 192         }
 193 }
 194
 195
 196 void GuiIndices::on_renamePB_clicked()
 197 {
 198         QTreeWidgetItem * selItem = indicesTW->currentItem();
 199         QString sel_index;
 200         if (selItem != 0)
 201                 sel_index = selItem->text(0);
 202         if (!sel_index.isEmpty()) {
 203                 docstring newname;
 204                 docstring const oldname = qstring_to_ucs4(sel_index);
 205                 bool success = false;
 206                 if (Alert::askForText(newname, _("Enter new index name"), oldname)) {
 207                         if (newname.empty() || oldname == newname)
 208                                 return;
 209                         success = indiceslist_.rename(qstring_to_ucs4(sel_index), newname);
 210                         newIndexLE->clear();
 211                         updateView();
 212                 }
 213                 if (!success)
 214                         Alert::error(_("Renaming failed"),
 215                               _("The index could not be renamed. "
 216                                 "Check if the new name already exists."));
 217         }
 218 }
 219
 220
 221 void GuiIndices::on_indicesTW_itemDoubleClicked(QTreeWidgetItem * item, int /*col*/)
 222 {
 223         toggleColor(item);
 224 }
 225
 226
 227 void GuiIndices::on_indicesTW_itemSelectionChanged()
 228 {
 229         bool const have_sel =
 230                 !indicesTW->selectedItems().isEmpty();
 231         removePB->setEnabled(have_sel);
 232         renamePB->setEnabled(have_sel);
 233         colorPB->setEnabled(have_sel);
 234 }
 235
 236
 237 void GuiIndices::on_colorPB_clicked()
 238 {
 239         toggleColor(indicesTW->currentItem());
 240 }
 241
 242
 243 void GuiIndices::on_multipleIndicesCB_toggled(bool const state)
 244 {
 245         bool const have_sel =
 246                 !indicesTW->selectedItems().isEmpty();
 247         indicesTW->setEnabled(state);
 248         newIndexLE->setEnabled(state);
 249         newIndexLA->setEnabled(state);
 250         addIndexPB->setEnabled(state);
 251         availableLA->setEnabled(state);
 252         removePB->setEnabled(state && have_sel);
 253         colorPB->setEnabled(state && have_sel);
 254         renamePB->setEnabled(state && have_sel);
 255         // emit signal
 256         changed();
 257 }
 258
 259
 260 void GuiIndices::toggleColor(QTreeWidgetItem * item)
 261 {
 262         if (item == 0)
 263                 return;
 264
 265         QString sel_index = item->text(0);
 266         if (sel_index.isEmpty())
 267                 return;
 268
 269         docstring current_index = qstring_to_ucs4(sel_index);
 270         Index * index = indiceslist_.find(current_index);
 271         if (!index)
 272                 return;
 273
 274         QColor const initial = rgb2qcolor(index->color());
 275         QColor ncol = QColorDialog::getColor(initial, qApp->focusWidget());
 276         if (!ncol.isValid())
 277                 return;
 278
 279         // add the color to the indiceslist
 280         index->setColor(fromqstr(ncol.name()));
 281         newIndexLE->clear();
 282         updateView();
 283 }
 284
 285 } // namespace frontend
 286 } // namespace lyx
 287
 288 #include "moc_GuiIndices.cpp"