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         indicesTW->resizeColumnToContents(0);
 127         bool const have_sel =
 128                 !indicesTW->selectedItems().isEmpty();
 129         removePB->setEnabled(have_sel);
 130         renamePB->setEnabled(have_sel);
 131         colorPB->setEnabled(have_sel);
 132         // emit signal
 133         changed();
 134 }
 135
 136
 137 void GuiIndices::apply(BufferParams & params) const
 138 {
 139         params.use_indices = multipleIndicesCB->isChecked();
 140         params.indiceslist() = indiceslist_;
 141
 142         string const index_command =
 143                 fromqstr(indexCO->itemData(
 144                         indexCO->currentIndex()).toString());
 145         string const index_options = fromqstr(indexOptionsED->text());
 146         if (index_command == "default" || index_options.empty())
 147                 params.index_command = index_command;
 148         else
 149                 params.index_command = index_command + " " + index_options;
 150 }
 151
 152
 153 void GuiIndices::on_indexCO_activated(int n)
 154 {
 155         indexOptionsED->setEnabled(n != 0);
 156         changed();
 157 }
 158
 159
 160 void GuiIndices::on_indexOptionsED_textChanged(QString)
 161 {
 162         changed();
 163 }
 164
 165
 166 void GuiIndices::on_addIndexPB_pressed()
 167 {
 168         QString const new_index = newIndexLE->text();
 169         if (!new_index.isEmpty()) {
 170                 indiceslist_.add(qstring_to_ucs4(new_index));
 171                 newIndexLE->clear();
 172                 updateView();
 173         }
 174 }
 175
 176
 177 void GuiIndices::on_removePB_pressed()
 178 {
 179         QTreeWidgetItem * selItem = indicesTW->currentItem();
 180         QString sel_index;
 181         if (selItem != 0)
 182                 sel_index = selItem->text(0);
 183         if (!sel_index.isEmpty()) {
 184                 if (indiceslist_.find(qstring_to_ucs4(sel_index)) ==
 185                     indiceslist_.findShortcut(from_ascii("idx"))) {
 186                         Alert::error(_("Cannot remove standard index"),
 187                               _("The default index cannot be removed."));
 188                               return;
 189                 }
 190                 indiceslist_.remove(qstring_to_ucs4(sel_index));
 191                 newIndexLE->clear();
 192                 updateView();
 193         }
 194 }
 195
 196
 197 void GuiIndices::on_renamePB_clicked()
 198 {
 199         QTreeWidgetItem * selItem = indicesTW->currentItem();
 200         QString sel_index;
 201         if (selItem != 0)
 202                 sel_index = selItem->text(0);
 203         if (!sel_index.isEmpty()) {
 204                 docstring newname;
 205                 docstring const oldname = qstring_to_ucs4(sel_index);
 206                 bool success = false;
 207                 if (Alert::askForText(newname, _("Enter new index name"), oldname)) {
 208                         if (newname.empty() || oldname == newname)
 209                                 return;
 210                         success = indiceslist_.rename(qstring_to_ucs4(sel_index), newname);
 211                         newIndexLE->clear();
 212                         updateView();
 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
 222 void GuiIndices::on_indicesTW_itemDoubleClicked(QTreeWidgetItem * item, int /*col*/)
 223 {
 224         toggleColor(item);
 225 }
 226
 227
 228 void GuiIndices::on_indicesTW_itemSelectionChanged()
 229 {
 230         bool const have_sel =
 231                 !indicesTW->selectedItems().isEmpty();
 232         removePB->setEnabled(have_sel);
 233         renamePB->setEnabled(have_sel);
 234         colorPB->setEnabled(have_sel);
 235 }
 236
 237
 238 void GuiIndices::on_colorPB_clicked()
 239 {
 240         toggleColor(indicesTW->currentItem());
 241 }
 242
 243
 244 void GuiIndices::on_multipleIndicesCB_toggled(bool const state)
 245 {
 246         bool const have_sel =
 247                 !indicesTW->selectedItems().isEmpty();
 248         indicesTW->setEnabled(state);
 249         newIndexLE->setEnabled(state);
 250         newIndexLA->setEnabled(state);
 251         addIndexPB->setEnabled(state);
 252         availableLA->setEnabled(state);
 253         removePB->setEnabled(state && have_sel);
 254         colorPB->setEnabled(state && have_sel);
 255         renamePB->setEnabled(state && have_sel);
 256         // emit signal
 257         changed();
 258 }
 259
 260
 261 void GuiIndices::toggleColor(QTreeWidgetItem * item)
 262 {
 263         if (item == 0)
 264                 return;
 265
 266         QString sel_index = item->text(0);
 267         if (sel_index.isEmpty())
 268                 return;
 269
 270         docstring current_index = qstring_to_ucs4(sel_index);
 271         Index * index = indiceslist_.find(current_index);
 272         if (!index)
 273                 return;
 274
 275         QColor const initial = rgb2qcolor(index->color());
 276         QColor ncol = QColorDialog::getColor(initial, qApp->focusWidget());
 277         if (!ncol.isValid())
 278                 return;
 279
 280         // add the color to the indiceslist
 281         index->setColor(fromqstr(ncol.name()));
 282         newIndexLE->clear();
 283         updateView();
 284 }
 285
 286 } // namespace frontend
 287 } // namespace lyx
 288
 289 #include "moc_GuiIndices.cpp"