src/frontends/qt3/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.h>
  25 #include <qcheckbox.h>
  26 #include <qlistbox.h>
  27 #include <qcombobox.h>
  28 #include <qpushbutton.h>
  29 #include <qtooltip.h>
  30
  31
  32 using lyx::docstring;
  33
  34 using std::vector;
  35 using std::string;
  36
  37 namespace lyx {
  38 namespace frontend {
  39
  40 typedef QController<ControlRef, QView<QRefDialog> > base_class;
  41
  42
  43 QRef::QRef(Dialog & parent)
  44         : base_class(parent, _("Cross-reference")),
  45         sort_(false), at_ref_(false)
  46 {
  47 }
  48
  49
  50 void QRef::build_dialog()
  51 {
  52         dialog_.reset(new QRefDialog(this));
  53
  54         bcview().setOK(dialog_->okPB);
  55         bcview().setApply(dialog_->applyPB);
  56         bcview().setCancel(dialog_->closePB);
  57         bcview().addReadOnly(dialog_->refsLB);
  58         bcview().addReadOnly(dialog_->sortCB);
  59         bcview().addReadOnly(dialog_->nameED);
  60         bcview().addReadOnly(dialog_->referenceED);
  61         bcview().addReadOnly(dialog_->typeCO);
  62         bcview().addReadOnly(dialog_->bufferCO);
  63
  64         restored_buffer_ = -1;
  65 }
  66
  67
  68 void QRef::update_contents()
  69 {
  70         InsetCommandParams const & params = controller().params();
  71
  72         int orig_type = dialog_->typeCO->currentItem();
  73
  74         dialog_->referenceED->setText(toqstr(params["reference"]));
  75
  76         dialog_->nameED->setText(toqstr(params["name"]));
  77         dialog_->nameED->setReadOnly(!nameAllowed() && !readOnly());
  78
  79         // restore type settings for new insets
  80         if (params["reference"].empty())
  81                 dialog_->typeCO->setCurrentItem(orig_type);
  82         else
  83                 dialog_->typeCO->setCurrentItem(InsetRef::getType(params.getCmdName()));
  84         dialog_->typeCO->setEnabled(typeAllowed() && !readOnly());
  85         if (!typeAllowed())
  86                 dialog_->typeCO->setCurrentItem(0);
  87
  88         dialog_->sortCB->setChecked(sort_);
  89
  90         // insert buffer list
  91         dialog_->bufferCO->clear();
  92         vector<string> const buffers = controller().getBufferList();
  93         for (vector<string>::const_iterator it = buffers.begin();
  94                 it != buffers.end(); ++it) {
  95                 dialog_->bufferCO->insertItem(toqstr(*it));
  96         }
  97         // restore the buffer combo setting for new insets
  98         if (params["reference"].empty() && restored_buffer_ != -1
  99         && restored_buffer_ < dialog_->bufferCO->count())
 100                 dialog_->bufferCO->setCurrentItem(restored_buffer_);
 101         else
 102                 dialog_->bufferCO->setCurrentItem(controller().getBufferNum());
 103
 104         updateRefs();
 105         bc().valid(isValid());
 106 }
 107
 108
 109 void QRef::apply()
 110 {
 111         InsetCommandParams & params = controller().params();
 112
 113         params.setCmdName(InsetRef::getName(dialog_->typeCO->currentItem()));
 114         params["reference"] = qstring_to_ucs4(dialog_->referenceED->text());
 115         params["name"] = qstring_to_ucs4(dialog_->nameED->text());
 116
 117         restored_buffer_ = dialog_->bufferCO->currentItem();
 118 }
 119
 120
 121 bool QRef::nameAllowed()
 122 {
 123         Kernel::DocType const doc_type = kernel().docType();
 124         return doc_type != Kernel::LATEX &&
 125                 doc_type != Kernel::LITERATE;
 126 }
 127
 128
 129 bool QRef::typeAllowed()
 130 {
 131         Kernel::DocType const doc_type = kernel().docType();
 132         return 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_->refsLB->blockSignals(true);
 174         dialog_->referenceED->blockSignals(true);
 175
 176         int lastref = dialog_->refsLB->currentItem();
 177
 178         dialog_->refsLB->setAutoUpdate(false);
 179         dialog_->refsLB->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<docstring>::const_iterator iter = refs_.begin();
 186                 iter != refs_.end(); ++iter) {
 187                 dialog_->refsLB->insertItem(toqstr(*iter));
 188         }
 189
 190         if (sort_)
 191                 dialog_->refsLB->sort();
 192
 193         dialog_->referenceED->setText(tmp);
 194
 195         // restore the last selection for new insets
 196         // but do not highlight it
 197         if (tmp.isEmpty() && lastref != -1
 198             && lastref < int(dialog_->refsLB->count())) {
 199                 dialog_->refsLB->setCurrentItem(lastref);
 200                 dialog_->refsLB->clearSelection();
 201         } else
 202                 for (unsigned int i = 0; i < dialog_->refsLB->count(); ++i) {
 203                         if (tmp == dialog_->refsLB->text(i))
 204                                 dialog_->refsLB->setSelected(i, true);
 205                 }
 206
 207         dialog_->refsLB->setAutoUpdate(true);
 208         dialog_->refsLB->update();
 209
 210         // Re-activate the emission of signals by these widgets.
 211         dialog_->refsLB->blockSignals(false);
 212         dialog_->referenceED->blockSignals(false);
 213 }
 214
 215
 216 void QRef::updateRefs()
 217 {
 218         refs_.clear();
 219         if (at_ref_)
 220                 gotoRef();
 221         string const name = controller().getBufferName(dialog_->bufferCO->currentItem());
 222         refs_ = controller().getLabelList(name);
 223         dialog_->sortCB->setEnabled(!refs_.empty());
 224         dialog_->refsLB->setEnabled(!refs_.empty());
 225         dialog_->gotoPB->setEnabled(!refs_.empty());
 226         redoRefs();
 227 }
 228
 229
 230 bool QRef::isValid()
 231 {
 232         return !dialog_->referenceED->text().isEmpty();
 233 }
 234
 235 } // namespace frontend
 236 } // namespace lyx