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 typedef QController<ControlRef, QView<QRefDialog> > base_class;
  39
  40
  41 QRef::QRef(Dialog & parent)
  42         : base_class(parent, _("Cross-reference")),
  43         sort_(false), at_ref_(false)
  44 {
  45 }
  46
  47
  48 void QRef::build_dialog()
  49 {
  50         dialog_.reset(new QRefDialog(this));
  51
  52         bcview().setOK(dialog_->okPB);
  53         bcview().setApply(dialog_->applyPB);
  54         bcview().setCancel(dialog_->closePB);
  55         bcview().addReadOnly(dialog_->refsLW);
  56         bcview().addReadOnly(dialog_->sortCB);
  57         bcview().addReadOnly(dialog_->nameED);
  58         bcview().addReadOnly(dialog_->referenceED);
  59         bcview().addReadOnly(dialog_->typeCO);
  60         bcview().addReadOnly(dialog_->bufferCO);
  61
  62         restored_buffer_ = -1;
  63 }
  64
  65
  66 void QRef::update_contents()
  67 {
  68         InsetCommandParams const & params = controller().params();
  69
  70         int orig_type = dialog_->typeCO->currentItem();
  71
  72         dialog_->referenceED->setText(toqstr(params.getContents()));
  73
  74         dialog_->nameED->setText(toqstr(params.getOptions()));
  75         dialog_->nameED->setReadOnly(!nameAllowed() && !readOnly());
  76
  77         // restore type settings for new insets
  78         if (params.getContents().empty())
  79                 dialog_->typeCO->setCurrentItem(orig_type);
  80         else
  81                 dialog_->typeCO->setCurrentItem(InsetRef::getType(params.getCmdName()));
  82         dialog_->typeCO->setEnabled(typeAllowed() && !readOnly());
  83         if (!typeAllowed())
  84                 dialog_->typeCO->setCurrentItem(0);
  85
  86         dialog_->sortCB->setChecked(sort_);
  87
  88         // insert buffer list
  89         dialog_->bufferCO->clear();
  90         vector<string> const buffers = controller().getBufferList();
  91         for (vector<string>::const_iterator it = buffers.begin();
  92                 it != buffers.end(); ++it) {
  93                 dialog_->bufferCO->insertItem(toqstr(*it));
  94         }
  95         // restore the buffer combo setting for new insets
  96         if (params.getContents().empty() && restored_buffer_ != -1
  97         && restored_buffer_ < dialog_->bufferCO->count())
  98                 dialog_->bufferCO->setCurrentItem(restored_buffer_);
  99         else
 100                 dialog_->bufferCO->setCurrentItem(controller().getBufferNum());
 101
 102         updateRefs();
 103         bc().valid(false);
 104 }
 105
 106
 107 void QRef::apply()
 108 {
 109         InsetCommandParams & params = controller().params();
 110
 111         params.setCmdName(InsetRef::getName(dialog_->typeCO->currentItem()));
 112         params.setContents(fromqstr(dialog_->referenceED->text()));
 113         params.setOptions(fromqstr(dialog_->nameED->text()));
 114
 115         restored_buffer_ = dialog_->bufferCO->currentItem();
 116 }
 117
 118
 119 bool QRef::nameAllowed()
 120 {
 121         Kernel::DocType const doc_type = kernel().docType();
 122         return doc_type != Kernel::LATEX &&
 123                 doc_type != Kernel::LITERATE;
 124 }
 125
 126
 127 bool QRef::typeAllowed()
 128 {
 129         Kernel::DocType const doc_type = kernel().docType();
 130         return doc_type != Kernel::LINUXDOC &&
 131                 doc_type != Kernel::DOCBOOK;
 132 }
 133
 134
 135 void QRef::setGoBack()
 136 {
 137         dialog_->gotoPB->setText(qt_("&Go Back"));
 138         QToolTip::remove(dialog_->gotoPB);
 139         QToolTip::add(dialog_->gotoPB, qt_("Jump back"));
 140 }
 141
 142
 143 void QRef::setGotoRef()
 144 {
 145         dialog_->gotoPB->setText(qt_("&Go to Label"));
 146         QToolTip::remove(dialog_->gotoPB);
 147         QToolTip::add(dialog_->gotoPB, qt_("Jump to label"));
 148 }
 149
 150
 151 void QRef::gotoRef()
 152 {
 153         string ref(fromqstr(dialog_->referenceED->text()));
 154
 155         if (at_ref_) {
 156                 // go back
 157                 setGotoRef();
 158                 controller().gotoBookmark();
 159         } else {
 160                 // go to the ref
 161                 setGoBack();
 162                 controller().gotoRef(ref);
 163         }
 164         at_ref_ = !at_ref_;
 165 }
 166
 167
 168 void QRef::redoRefs()
 169 {
 170         // Prevent these widgets from emitting any signals whilst
 171         // we modify their state.
 172         dialog_->refsLW->blockSignals(true);
 173         dialog_->referenceED->blockSignals(true);
 174
 175         int lastref = dialog_->refsLW->currentRow();
 176
 177         dialog_->refsLW->setUpdatesEnabled(false);
 178         dialog_->refsLW->clear();
 179
 180         // need this because Qt will send a highlight() here for
 181         // the first item inserted
 182         QString const tmp(dialog_->referenceED->text());
 183
 184         for (std::vector<string>::const_iterator iter = refs_.begin();
 185                 iter != refs_.end(); ++iter) {
 186                 dialog_->refsLW->addItem(toqstr(*iter));
 187         }
 188
 189         if (sort_)
 190                 dialog_->refsLW->sortItems();
 191
 192         dialog_->referenceED->setText(tmp);
 193
 194         // restore the last selection for new insets
 195         if (tmp.isEmpty() && lastref != -1
 196                 && lastref < int(dialog_->refsLW->count())) {
 197                 dialog_->refsLW->setCurrentRow(lastref);
 198                 dialog_->refsLW->clearSelection();
 199         } else
 200                 for (unsigned int i = 0; i < dialog_->refsLW->count(); ++i) {
 201                         if (tmp == dialog_->refsLW->item(i)->text()) {
 202                                 QListWidgetItem * const item = dialog_->refsLW->item(i);
 203                                 dialog_->refsLW->setItemSelected(item, true);
 204
 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