src/frontends/qt4/QTocDialog.C

   1 /**
   2  * \file QTocDialog.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 Levon
   7  * \author Abdelrazak Younes
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "QTocDialog.h"
  15 #include "QToc.h"
  16 #include "Qt2BC.h"
  17 #include "qt_helpers.h"
  18 #include "controllers/ControlToc.h"
  19
  20 #include "debug.h"
  21
  22 #include <QTreeWidgetItem>
  23 #include <QPushButton>
  24 #include <QCloseEvent>
  25 #include <QHeaderView>
  26
  27 #include <vector>
  28 #include <string>
  29 #include <stack>
  30
  31 using std::endl;
  32 using std::pair;
  33 using std::stack;
  34 using std::vector;
  35 using std::string;
  36
  37
  38 namespace lyx {
  39 namespace frontend {
  40
  41 QTocDialog::QTocDialog(Dialog & dialog, QToc * form)
  42         : Dialog::View(dialog, _("Toc")), form_(form), depth_(2)
  43 {
  44         setupUi(this);
  45
  46         updateGui();
  47
  48         connect(tocTV->selectionModel(),
  49                 SIGNAL(currentChanged(const QModelIndex &,
  50                         const QModelIndex &)),
  51                 this, SLOT(selectionChanged(const QModelIndex &,
  52                         const QModelIndex &)));
  53 }
  54
  55
  56 QTocDialog::~QTocDialog()
  57 {
  58         accept();
  59 }
  60
  61
  62 void QTocDialog::selectionChanged(const QModelIndex & current,
  63                                   const QModelIndex & /*previous*/)
  64 {
  65         lyxerr[Debug::GUI]
  66                 << "selectionChanged index " << current.row()
  67                 << ", " << current.column()
  68                 << endl;
  69
  70         form_->goTo(current);
  71 }
  72
  73
  74 void QTocDialog::on_closePB_clicked()
  75 {
  76         accept();
  77 }
  78
  79
  80 void QTocDialog::on_updatePB_clicked()
  81 {
  82         update();
  83 }
  84
  85 /* FIXME (Ugras 17/11/06):
  86 I have implemented a getIndexDepth function to get the model indices. In my
  87 opinion, somebody should derive a new qvariant class for tocModelItem
  88 which saves the string data and depth information. that will save the
  89 depth calculation.
  90 */
  91 int QTocDialog::getIndexDepth(QModelIndex const & index, int depth){
  92         ++depth;
  93         return (index.parent() == QModelIndex())? depth : getIndexDepth(index.parent(),depth);
  94 }
  95
  96
  97 void QTocDialog::on_depthSL_valueChanged(int depth)
  98 {
  99         if (depth == depth_)
 100                 return;
 101
 102         depth_ = depth;
 103 //      tocTV->expandAll(); //expanding and then collapsing is probably better, but my qt 4.1.2 doesn't have expandAll()..
 104         QModelIndexList indices =
 105                 form_->tocModel()->match(form_->tocModel()->index(0,0),
 106                                         Qt::DisplayRole, "*", -1,
 107                                         Qt::MatchWildcard|Qt::MatchRecursive);
 108         Q_FOREACH (QModelIndex index, indices) { // I had to use Q_FOREACH instead of foreach
 109                 if(getIndexDepth(index) < depth) // because compile flag -DQT_NO_KEYWORDS doesn't allow me..
 110                         tocTV->expand(index);
 111                 else
 112                         tocTV->collapse(index);
 113         }
 114 }
 115
 116
 117 void QTocDialog::on_typeCO_activated(int value)
 118 {
 119         form_->setTocModel(value);
 120         tocTV->setModel(form_->tocModel());
 121         reconnectSelectionModel();
 122         enableButtons();
 123 }
 124
 125
 126 void QTocDialog::on_moveUpPB_clicked()
 127 {
 128         enableButtons(false);
 129         QModelIndex index = tocTV->selectionModel()->selectedIndexes()[0];
 130         form_->goTo(index);
 131         form_->outlineUp();
 132         update();
 133 }
 134
 135
 136 void QTocDialog::on_moveDownPB_clicked()
 137 {
 138         enableButtons(false);
 139         QModelIndex index = tocTV->selectionModel()->selectedIndexes()[0];
 140         form_->goTo(index);
 141         form_->outlineDown();
 142         update();
 143 }
 144
 145
 146 void QTocDialog::on_moveInPB_clicked()
 147 {
 148         enableButtons(false);
 149         QModelIndex index = tocTV->selectionModel()->selectedIndexes()[0];
 150         form_->goTo(index);
 151         form_->outlineIn();
 152         update();
 153 }
 154
 155
 156 void QTocDialog::on_moveOutPB_clicked()
 157 {
 158         enableButtons(false);
 159         QModelIndex index = tocTV->selectionModel()->selectedIndexes()[0];
 160         form_->goTo(index);
 161         form_->outlineOut();
 162         update();
 163 }
 164
 165
 166 void QTocDialog::select(QModelIndex const & index)
 167 {
 168 //      tocTV->setModel(form_->tocModel());
 169
 170         if (!index.isValid()) {
 171                 lyxerr[Debug::GUI]
 172                         << "QTocDialog::select(): QModelIndex is invalid!" << endl;
 173                 return;
 174         }
 175
 176         tocTV->scrollTo(index);
 177         tocTV->selectionModel()->select(index, QItemSelectionModel::Select);
 178 }
 179
 180
 181 void QTocDialog::enableButtons(bool enable)
 182 {
 183         updatePB->setEnabled(enable);
 184
 185         if (!form_->canOutline())
 186                 enable = false;
 187
 188         moveUpPB->setEnabled(enable);
 189         moveDownPB->setEnabled(enable);
 190         moveInPB->setEnabled(enable);
 191         moveOutPB->setEnabled(enable);
 192 }
 193
 194
 195 void QTocDialog::update()
 196 {
 197         form_->updateToc();
 198         updateGui();
 199 }
 200
 201
 202 void QTocDialog::updateGui()
 203 {
 204         QStringListModel * type_model = form_->typeModel();
 205         if (type_model->stringList().isEmpty())
 206         {
 207                 enableButtons();
 208                 typeCO->setModel(type_model);
 209                 tocTV->setModel(new QStandardItemModel);
 210                 return;
 211         }
 212
 213         typeCO->setModel(type_model);
 214         typeCO->setCurrentIndex(form_->getType());
 215
 216         if (form_->tocModel())
 217                 tocTV->setModel(form_->tocModel());
 218         tocTV->showColumn(0);
 219         // hide the pointless QHeader for now
 220         // in the future, new columns may appear
 221         // like labels, bookmarks, etc...
 222         // tocTV->header()->hide();
 223         tocTV->header()->setVisible(false);
 224         enableButtons();
 225
 226         reconnectSelectionModel();
 227         select(form_->getCurrentIndex());
 228
 229         lyxerr[Debug::GUI]
 230                 << "form_->tocModel()->rowCount " << form_->tocModel()->rowCount()
 231                 << "\nform_->tocModel()->columnCount " << form_->tocModel()->columnCount()
 232                 << endl;
 233 //      setTitle(form_->guiname())
 234 }
 235
 236
 237 void QTocDialog::reconnectSelectionModel()
 238 {
 239         connect(tocTV->selectionModel(),
 240                 SIGNAL(currentChanged(const QModelIndex &,
 241                         const QModelIndex &)),
 242                 this, SLOT(selectionChanged(const QModelIndex &,
 243                         const QModelIndex &)));
 244 }
 245
 246
 247 void QTocDialog::apply()
 248 {
 249         // Nothing to do here... for now.
 250         // Ideas welcome... (Abdel, 17042006)
 251 }
 252
 253
 254 void QTocDialog::hide()
 255 {
 256         accept();
 257 }
 258
 259
 260 void QTocDialog::show()
 261 {
 262         form_->update();
 263         QDialog::show();
 264 }
 265
 266
 267 bool QTocDialog::isVisible() const
 268 {
 269         return QDialog::isVisible();
 270 }
 271
 272
 273 } // namespace frontend
 274 } // namespace lyx
 275
 276 #include "QTocDialog_moc.cpp"