src/frontends/qt4/QRef.C

   1 /**
   2  * \file QRef.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 Jürgen Spitzmüller
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "QRef.h"
  15 #include "QRefDialog.h"
  16 #include "Qt2BC.h"
  17 #include "qt_helpers.h"
  18
  19 #include "controllers/ButtonController.h"
  20 #include "controllers/ControlRef.h"
  21
  22 #include "insets/insetref.h"
  23
  24 #include <QLineEdit>
  25 #include <QCheckBox>
  26 #include <QListWidget>
  27 #include <QListWidgetItem>
  28 #include <QPushButton>
  29 #include <QToolTip>
  30
  31
  32 using std::vector;
  33 using std::string;
  34
  35 namespace lyx {
  36 namespace frontend {
  37
  38 // full qualification because qt4 has also a ControlRef type
  39 typedef QController<lyx::frontend::ControlRef, QView<QRefDialog> > base_class;
  40
  41
  42 QRef::QRef(Dialog & parent)
  43         : base_class(parent, _("Cross-reference")),
  44         sort_(false), at_ref_(false)
  45 {
  46 }
  47
  48
  49 void QRef::build_dialog()
  50 {
  51         dialog_.reset(new QRefDialog(this));
  52
  53         bcview().setOK(dialog_->okPB);
  54         bcview().setApply(dialog_->applyPB);
  55         bcview().setCancel(dialog_->closePB);
  56         bcview().addReadOnly(dialog_->refsLW);
  57         bcview().addReadOnly(dialog_->sortCB);
  58         bcview().addReadOnly(dialog_->nameED);
  59         bcview().addReadOnly(dialog_->referenceED);
  60         bcview().addReadOnly(dialog_->typeCO);
  61         bcview().addReadOnly(dialog_->bufferCO);
  62
  63         restored_buffer_ = -1;
  64 }
  65
  66
  67 void QRef::update_contents()
  68 {
  69         InsetCommandParams const & params = controller().params();
  70
  71         int orig_type = dialog_->typeCO->currentItem();
  72
  73         dialog_->referenceED->setText(toqstr(params.getContents()));
  74
  75         dialog_->nameED->setText(toqstr(params.getOptions()));
  76         dialog_->nameED->setReadOnly(!nameAllowed() && !readOnly());
  77
  78         // restore type settings for new insets
  79         if (params.getContents().empty())
  80                 dialog_->typeCO->setCurrentItem(orig_type);
  81         else
  82                 dialog_->typeCO->setCurrentItem(InsetRef::getType(params.getCmdName()));
  83         dialog_->typeCO->setEnabled(typeAllowed() && !readOnly());
  84         if (!typeAllowed())
  85                 dialog_->typeCO->setCurrentItem(0);
  86
  87         dialog_->sortCB->setChecked(sort_);
  88
  89         // insert buffer list
  90         dialog_->bufferCO->clear();
  91         vector<string> const buffers = controller().getBufferList();
  92         for (vector<string>::const_iterator it = buffers.begin();
  93                 it != buffers.end(); ++it) {
  94                 dialog_->bufferCO->insertItem(toqstr(*it));
  95         }
  96         // restore the buffer combo setting for new insets
  97         if (params.getContents().empty() && restored_buffer_ != -1
  98         && restored_buffer_ < dialog_->bufferCO->count())
  99                 dialog_->bufferCO->setCurrentItem(restored_buffer_);
 100         else
 101                 dialog_->bufferCO->setCurrentItem(controller().getBufferNum());
 102
 103         updateRefs();
 104         bc().valid(false);
 105 }
 106
 107
 108 void QRef::apply()
 109 {
 110         InsetCommandParams & params = controller().params();
 111
 112         params.setCmdName(InsetRef::getName(dialog_->typeCO->currentItem()));
 113         params.setContents(fromqstr(dialog_->referenceED->text()));
 114         params.setOptions(fromqstr(dialog_->nameED->text()));
 115
 116         restored_buffer_ = dialog_->bufferCO->currentItem();
 117 }
 118
 119
 120 bool QRef::nameAllowed()
 121 {
 122         Kernel::DocType const doc_type = kernel().docType();
 123         return doc_type != Kernel::LATEX &&
 124                 doc_type != Kernel::LITERATE;
 125 }
 126
 127
 128 bool QRef::typeAllowed()
 129 {
 130         Kernel::DocType const doc_type = kernel().docType();
 131         return doc_type != Kernel::LINUXDOC &&
 132                 doc_type != Kernel::DOCBOOK;
 133 }
 134
 135
 136 void QRef::setGoBack()
 137 {
 138         dialog_->gotoPB->setText(qt_("&Go Back"));
 139         QToolTip::remove(dialog_->gotoPB);
 140         QToolTip::add(dialog_->gotoPB, qt_("Jump back"));
 141 }
 142
 143
 144 void QRef::setGotoRef()
 145 {
 146         dialog_->gotoPB->setText(qt_("&Go to Label"));
 147         QToolTip::remove(dialog_->gotoPB);
 148         QToolTip::add(dialog_->gotoPB, qt_("Jump to label"));
 149 }
 150
 151
 152 void QRef::gotoRef()
 153 {
 154         string ref(fromqstr(dialog_->referenceED->text()));
 155
 156         if (at_ref_) {
 157                 // go back
 158                 setGotoRef();
 159                 controller().gotoBookmark();
 160         } else {
 161                 // go to the ref
 162                 setGoBack();
 163                 controller().gotoRef(ref);
 164         }
 165         at_ref_ = !at_ref_;
 166 }
 167
 168
 169 void QRef::redoRefs()
 170 {
 171         // Prevent these widgets from emitting any signals whilst
 172         // we modify their state.
 173         dialog_->refsLW->blockSignals(true);
 174         dialog_->referenceED->blockSignals(true);
 175
 176         int lastref = dialog_->refsLW->currentRow();
 177
 178         dialog_->refsLW->setUpdatesEnabled(false);
 179         dialog_->refsLW->clear();
 180
 181         // need this because Qt will send a highlight() here for
 182         // the first item inserted
 183         QString const tmp(dialog_->referenceED->text());
 184
 185         for (std::vector<string>::const_iterator iter = refs_.begin();
 186                 iter != refs_.end(); ++iter) {
 187                 dialog_->refsLW->addItem(toqstr(*iter));
 188         }
 189
 190         if (sort_)
 191                 dialog_->refsLW->sortItems();
 192
 193         dialog_->referenceED->setText(tmp);
 194
 195         // restore the last selection for new insets
 196         if (tmp.isEmpty() && lastref != -1
 197                 && lastref < int(dialog_->refsLW->count())) {
 198                 dialog_->refsLW->setCurrentRow(lastref);
 199                 dialog_->refsLW->clearSelection();
 200         } else
 201                 for (int i = 0; i < dialog_->refsLW->count(); ++i) {
 202                         QListWidgetItem * item = dialog_->refsLW->item(i);
 203                         if (tmp == item->text()) {
 204                                 dialog_->refsLW->setItemSelected(item, true);
 205                         }
 206                 }
 207
 208         dialog_->refsLW->setUpdatesEnabled(true);
 209         dialog_->refsLW->update();
 210
 211         // Re-activate the emission of signals by these widgets.
 212         dialog_->refsLW->blockSignals(false);
 213         dialog_->referenceED->blockSignals(false);
 214 }
 215
 216
 217 void QRef::updateRefs()
 218 {
 219         refs_.clear();
 220         if (at_ref_)
 221                 gotoRef();
 222         string const name = controller().getBufferName(dialog_->bufferCO->currentItem());
 223         refs_ = controller().getLabelList(name);
 224         dialog_->sortCB->setEnabled(!refs_.empty());
 225         dialog_->refsLW->setEnabled(!refs_.empty());
 226         dialog_->gotoPB->setEnabled(!refs_.empty());
 227         redoRefs();
 228 }
 229
 230 bool QRef::isValid()
 231 {
 232         return !dialog_->referenceED->text().isEmpty();
 233 }
 234
 235 } // namespace frontend
 236 } // namespace lyx