]> git.lyx.org Git - lyx.git/blobdiff - src/frontends/qt4/GuiCitation.cpp
Move the buffer related part from GuiView::renameBuffer to Buffer::saveAs.
[lyx.git] / src / frontends / qt4 / GuiCitation.cpp
index 84bc19e6ed2bdb999e12d3e83ff7a81848b22b7d..addfe5000821bbd612248ce15c6b1337176b711c 100644 (file)
@@ -1,3 +1,4 @@
+
 /**
  * \file GuiCitation.cpp
  * This file is part of LyX, the document processor.
@@ -6,7 +7,7 @@
  * \author Angus Leeming
  * \author Kalle Dalheimer
  * \author Abdelrazak Younes
- * \author Richard Heck (adapted to QSelectionManager)
+ * \author Richard Heck
  *
  * Full author contact details are available in file CREDITS.
  */
 
 #include "GuiCitation.h"
 
+#include "GuiSelectionManager.h"
 #include "qt_helpers.h"
 
-#include "support/lstrings.h"
+#include "Buffer.h"
+#include "BiblioInfo.h"
+#include "BufferParams.h"
+#include "FuncRequest.h"
+
+#include "insets/InsetCommand.h"
+
+#include "support/debug.h"
 #include "support/docstring.h"
+#include "support/gettext.h"
+#include "support/lstrings.h"
 
-#include "debug.h"
+#include <QCloseEvent>
+#include <QSettings>
+#include <QShowEvent>
+#include <QVariant>
 
 #include <vector>
 #include <string>
 
-using std::vector;
-using std::string;
+#undef KeyPress
+
+#include "support/regex.h"
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+using namespace std;
+using namespace lyx::support;
+
+namespace lyx {
+namespace frontend {
+
+static vector<CiteStyle> citeStyles_;
 
 
-template<typename String> static QStringList to_qstring_list(vector<String> const & v)
+template<typename String>
+static QStringList to_qstring_list(vector<String> const & v)
 {
        QStringList qlist;
 
@@ -42,7 +70,7 @@ template<typename String> static QStringList to_qstring_list(vector<String> cons
 }
 
 
-static vector<lyx::docstring> const to_docstring_vector(QStringList const & qlist)
+static vector<lyx::docstring> to_docstring_vector(QStringList const & qlist)
 {
        vector<lyx::docstring> v;
        for (int i = 0; i != qlist.size(); ++i) {
@@ -54,83 +82,481 @@ static vector<lyx::docstring> const to_docstring_vector(QStringList const & qlis
 }
 
 
-namespace lyx {
-namespace frontend {
+GuiCitation::GuiCitation(GuiView & lv)
+       : DialogView(lv, "citation", qt_("Citation")),
+         params_(insetCode("citation"))
+{
+       setupUi(this);
+
+       connect(citationStyleCO, SIGNAL(activated(int)),
+               this, SLOT(on_citationStyleCO_currentIndexChanged(int)));
+       connect(fulllistCB, SIGNAL(clicked()),
+               this, SLOT(changed()));
+       connect(forceuppercaseCB, SIGNAL(clicked()),
+               this, SLOT(changed()));
+       connect(textBeforeED, SIGNAL(textChanged(QString)),
+               this, SLOT(changed()));
+       connect(textAfterED, SIGNAL(textChanged(QString)),
+               this, SLOT(changed()));
+       connect(findLE, SIGNAL(returnPressed()), 
+               this, SLOT(on_searchPB_clicked()));
+       connect(textBeforeED, SIGNAL(returnPressed()),
+               this, SLOT(on_okPB_clicked()));
+       connect(textAfterED, SIGNAL(returnPressed()),
+               this, SLOT(on_okPB_clicked()));
+
+       selectionManager = new GuiSelectionManager(availableLV, selectedLV, 
+                       addPB, deletePB, upPB, downPB, &available_model_, &selected_model_);
+       connect(selectionManager, SIGNAL(selectionChanged()),
+               this, SLOT(setCitedKeys()));
+       connect(selectionManager, SIGNAL(updateHook()),
+               this, SLOT(updateControls()));
+       connect(selectionManager, SIGNAL(okHook()),
+               this, SLOT(on_okPB_clicked()));
+
+       // FIXME: the sizeHint() for this is _way_ too high
+       infoML->setFixedHeight(60);
+}
 
 
-GuiCitation::GuiCitation(Dialog & parent)
-       : ControlCitation(parent)
+GuiCitation::~GuiCitation()
 {
+       delete selectionManager;
 }
 
 
-void GuiCitation::apply(int const choice, bool const full, bool const force,
-                     QString before, QString after)
+void GuiCitation::closeEvent(QCloseEvent * e)
 {
-       if (cited_keys_.isEmpty())
-               return;
+       clearSelection();
+       DialogView::closeEvent(e);
+}
 
-       vector<biblio::CiteStyle> const & styles =
-               ControlCitation::getCiteStyles();
 
-       string const command =
-               biblio::CitationStyle(styles[choice], full, force)
-               .asLatexStr();
+void GuiCitation::applyView()
+{
+       int const choice = max(0, citationStyleCO->currentIndex());
+       style_ = choice;
+       bool const full  = fulllistCB->isChecked();
+       bool const force = forceuppercaseCB->isChecked();
 
-       params().setCmdName(command);
-       params()["key"] = qstring_to_ucs4(cited_keys_.join(","));
-       params()["before"] = qstring_to_ucs4(before);
-       params()["after"] = qstring_to_ucs4(after);
-       dispatchParams();
+       QString const before = textBeforeED->text();
+       QString const after = textAfterED->text();
+
+       apply(choice, full, force, before, after);
 }
 
 
-void GuiCitation::clearSelection()
+void GuiCitation::showEvent(QShowEvent * e)
 {
-       cited_keys_.clear();
-       selected_model_.setStringList(cited_keys_);
+       findLE->clear();
+       availableLV->setFocus();
+       DialogView::showEvent(e);
 }
 
 
-QString GuiCitation::textBefore()
+void GuiCitation::on_okPB_clicked()
 {
-       return toqstr(params()["before"]);
+       applyView();
+       clearSelection();
+       hide();
 }
 
 
-QString GuiCitation::textAfter()
+void GuiCitation::on_cancelPB_clicked()
 {
-       return toqstr(params()["after"]);
+       clearSelection();
+       hide();
 }
 
 
-bool GuiCitation::initialiseParams(std::string const & data)
+void GuiCitation::on_applyPB_clicked()
+{
+       applyView();
+}
+
+
+void GuiCitation::on_restorePB_clicked()
 {
-       if (!ControlCitation::initialiseParams(data))
-               return false;
        init();
-       return true;
+}
+
+
+void GuiCitation::updateControls()
+{
+       BiblioInfo const & bi = bibInfo();
+       updateControls(bi);
+}
+
+
+// The main point of separating this out is that the fill*() methods
+// called in update() do not need to be called for INTERNAL updates,
+// such as when addPB is pressed, as the list of fields, entries, etc,
+// will not have changed. At the moment, however, the division between
+// fillStyles() and updateStyle() doesn't lend itself to dividing the
+// two methods, though they should be divisible. That is, we should
+// not have to call fillStyles() every time through here.
+void GuiCitation::updateControls(BiblioInfo const & bi)
+{
+       QModelIndex idx = selectionManager->getSelectedIndex();
+       updateInfo(bi, idx);
+       setButtons();
+
+       textBeforeED->setText(toqstr(params_["before"]));
+       textAfterED->setText(toqstr(params_["after"]));
+       fillStyles(bi);
+       updateStyle();
+}
+
+
+void GuiCitation::updateFormatting(CiteStyle currentStyle)
+{
+       CiteEngine const engine = citeEngine();
+       bool const natbib_engine =
+               engine == ENGINE_NATBIB_AUTHORYEAR ||
+               engine == ENGINE_NATBIB_NUMERICAL;
+       bool const basic_engine = engine == ENGINE_BASIC;
+
+       bool const haveSelection = 
+               selectedLV->model()->rowCount() > 0;
+
+       bool const isNocite = currentStyle == NOCITE;
+
+       bool const isCiteyear =
+               currentStyle == CITEYEAR ||
+               currentStyle == CITEYEARPAR;
+
+       fulllistCB->setEnabled(natbib_engine && haveSelection && !isNocite
+               && !isCiteyear);
+       forceuppercaseCB->setEnabled(natbib_engine && haveSelection
+               && !isNocite && !isCiteyear);
+       textBeforeED->setEnabled(!basic_engine && haveSelection && !isNocite);
+       textBeforeLA->setEnabled(!basic_engine && haveSelection && !isNocite);
+       textAfterED->setEnabled(haveSelection && !isNocite);
+       textAfterLA->setEnabled(haveSelection && !isNocite);
+       citationStyleCO->setEnabled(haveSelection);
+       citationStyleLA->setEnabled(haveSelection);
+}
+
+
+void GuiCitation::updateStyle()
+{
+       string const & command = params_.getCmdName();
+
+       // Find the style of the citekeys
+       vector<CiteStyle> const & styles = citeStyles_;
+       CitationStyle const cs = citationStyleFromString(command);
+
+       vector<CiteStyle>::const_iterator cit =
+               std::find(styles.begin(), styles.end(), cs.style);
+
+       if (cit != styles.end()) {
+               fulllistCB->setChecked(cs.full);
+               forceuppercaseCB->setChecked(cs.forceUpperCase);
+       } else {
+               // restore the last used natbib style
+               if (style_ >= 0 && style_ < citationStyleCO->count()) {
+                       // the necessary update will be performed later
+                       citationStyleCO->blockSignals(true);
+                       citationStyleCO->setCurrentIndex(style_);
+                       citationStyleCO->blockSignals(false);
+               }
+               fulllistCB->setChecked(false);
+               forceuppercaseCB->setChecked(false);
+       }
+       updateFormatting(cs.style);
+}
+
+
+// This one needs to be called whenever citationStyleCO needs
+// to be updated---and this would be on anything that changes the
+// selection in selectedLV, or on a general update.
+void GuiCitation::fillStyles(BiblioInfo const & bi)
+{
+       QStringList selected_keys = selected_model_.stringList();
+       int curr = selectedLV->model()->rowCount() - 1;
+
+       if (curr < 0 || selected_keys.empty()) {
+               citationStyleCO->clear();
+               citationStyleCO->setEnabled(false);
+               citationStyleLA->setEnabled(false);
+               return;
+       }
+
+       if (!selectedLV->selectionModel()->selectedIndexes().empty())
+               curr = selectedLV->selectionModel()->selectedIndexes()[0].row();
+
+       QStringList sty = citationStyles(bi, curr);
+
+       if (sty.isEmpty()) { 
+               // some error
+               citationStyleCO->setEnabled(false);
+               citationStyleLA->setEnabled(false);
+               citationStyleCO->clear();
+               return;
+       }
+       
+       citationStyleCO->blockSignals(true);
+       
+       // save old index
+       int const oldIndex = citationStyleCO->currentIndex();
+       citationStyleCO->clear();
+       citationStyleCO->insertItems(0, sty);
+       citationStyleCO->setEnabled(true);
+       citationStyleLA->setEnabled(true);
+       // restore old index
+       if (oldIndex != -1 && oldIndex < citationStyleCO->count())
+               citationStyleCO->setCurrentIndex(oldIndex);
+
+       citationStyleCO->blockSignals(false);
+}
+
+
+void GuiCitation::fillFields(BiblioInfo const & bi)
+{
+       fieldsCO->blockSignals(true);
+       int const oldIndex = fieldsCO->currentIndex();
+       fieldsCO->clear();
+       QStringList const fields = to_qstring_list(bi.getFields());
+       fieldsCO->insertItem(0, qt_("All fields"));
+       fieldsCO->insertItem(1, qt_("Keys"));
+       fieldsCO->insertItems(2, fields);
+       if (oldIndex != -1 && oldIndex < fieldsCO->count())
+               fieldsCO->setCurrentIndex(oldIndex);
+       fieldsCO->blockSignals(false);
+}
+
+
+void GuiCitation::fillEntries(BiblioInfo const & bi)
+{
+       entriesCO->blockSignals(true);
+       int const oldIndex = entriesCO->currentIndex();
+       entriesCO->clear();
+       QStringList const entries = to_qstring_list(bi.getEntries());
+       entriesCO->insertItem(0, qt_("All entry types"));
+       entriesCO->insertItems(1, entries);
+       if (oldIndex != -1 && oldIndex < entriesCO->count())
+               entriesCO->setCurrentIndex(oldIndex);
+       entriesCO->blockSignals(false);
+}
+
+
+bool GuiCitation::isSelected(QModelIndex const & idx)
+{
+       QString const str = idx.data().toString();
+       return selected_model_.stringList().contains(str);
+}
+
+
+void GuiCitation::setButtons()
+{
+       selectionManager->update();
+       int const srows = selectedLV->model()->rowCount();
+       applyPB->setEnabled(srows > 0);
+       okPB->setEnabled(srows > 0);
+}
+
+
+void GuiCitation::updateInfo(BiblioInfo const & bi, QModelIndex const & idx)
+{
+       if (!idx.isValid() || bi.empty()) {
+               infoML->document()->clear();
+               return;
+       }
+
+       QString const keytxt = toqstr(
+               bi.getInfo(qstring_to_ucs4(idx.data().toString()), buffer(), true));
+       infoML->document()->setHtml(keytxt);
+}
+
+
+void GuiCitation::findText(QString const & text, bool reset)
+{
+       //"All Fields" and "Keys" are the first two
+       int index = fieldsCO->currentIndex() - 2; 
+       BiblioInfo const & bi = bibInfo();
+       vector<docstring> const & fields = bi.getFields();
+       docstring field;
+       
+       if (index <= -1 || index >= int(fields.size()))
+               //either "All Fields" or "Keys" or an invalid value
+               field = from_ascii("");
+       else
+               field = fields[index];
+       
+       //Was it "Keys"?
+       bool const onlyKeys = index == -1;
+       
+       //"All Entry Types" is first.
+       index = entriesCO->currentIndex() - 1; 
+       vector<docstring> const & entries = bi.getEntries();
+       docstring entry_type;
+       if (index < 0 || index >= int(entries.size()))
+               entry_type = from_ascii("");
+       else 
+               entry_type = entries[index];
+       
+       bool const case_sentitive = caseCB->checkState();
+       bool const reg_exp = regexCB->checkState();
+       findKey(bi, text, onlyKeys, field, entry_type, 
+                      case_sentitive, reg_exp, reset);
+       //FIXME
+       //It'd be nice to save and restore the current selection in 
+       //availableLV. Currently, we get an automatic reset, since the
+       //model is reset.
+       
+       updateControls(bi);
+}
+
+
+void GuiCitation::on_fieldsCO_currentIndexChanged(int /*index*/)
+{
+       findText(findLE->text(), true);
+}
+
+
+void GuiCitation::on_entriesCO_currentIndexChanged(int /*index*/)
+{
+       findText(findLE->text(), true);
+}
+
+
+void GuiCitation::on_citationStyleCO_currentIndexChanged(int index)
+{
+       if (index >= 0 && index < citationStyleCO->count()) {
+               vector<CiteStyle> const & styles = citeStyles_;
+               updateFormatting(styles[index]);
+       }
+}
+
+
+void GuiCitation::on_findLE_textChanged(const QString & text)
+{
+       bool const searchAsWeGo = (asTypeCB->checkState() == Qt::Checked);
+       searchPB->setDisabled(text.isEmpty() || searchAsWeGo);
+       if (!text.isEmpty()) {
+               if (searchAsWeGo)
+                       findText(findLE->text());
+               return;
+       }
+       findText(findLE->text());
+       findLE->setFocus();
+}
+
+void GuiCitation::on_searchPB_clicked()
+{
+       findText(findLE->text(), true);
+}
+
+
+void GuiCitation::on_caseCB_stateChanged(int)
+{
+       findText(findLE->text());
+}
+
+
+void GuiCitation::on_regexCB_stateChanged(int)
+{
+       findText(findLE->text());
+}
+
+
+void GuiCitation::on_asTypeCB_stateChanged(int)
+{
+       bool const searchAsWeGo = (asTypeCB->checkState() == Qt::Checked);
+       searchPB->setDisabled(findLE->text().isEmpty() || searchAsWeGo);
+       if (searchAsWeGo)
+               findText(findLE->text(), true);
+}
+
+
+void GuiCitation::changed()
+{
+       setButtons();
+}
+
+
+void GuiCitation::apply(int const choice, bool full, bool force,
+       QString before, QString after)
+{
+       if (cited_keys_.isEmpty())
+               return;
+
+       vector<CiteStyle> const & styles = citeStyles_;
+       if (styles[choice] == NOCITE) {
+               full = false;
+               force = false;
+               before.clear();
+               after.clear();
+       }
+       
+       CitationStyle s;
+       s.style = styles[choice];
+       s.full = full;
+       s.forceUpperCase = force;
+       string const command = citationStyleToString(s);
+
+       params_.setCmdName(command);
+       params_["key"] = qstring_to_ucs4(cited_keys_.join(","));
+       params_["before"] = qstring_to_ucs4(before);
+       params_["after"] = qstring_to_ucs4(after);
+       dispatchParams();
+}
+
+
+void GuiCitation::clearSelection()
+{
+       cited_keys_.clear();
+       selected_model_.setStringList(cited_keys_);
 }
 
 
 void GuiCitation::init()
 {
        // Make the list of all available bibliography keys
-       all_keys_ = to_qstring_list(availableKeys());
+       BiblioInfo const & bi = bibInfo();
+       all_keys_ = to_qstring_list(bi.getKeys());
        available_model_.setStringList(all_keys_);
 
        // Ditto for the keys cited in this inset
-       QString str = toqstr(params()["key"]);
+       QString str = toqstr(params_["key"]);
        if (str.isEmpty())
                cited_keys_.clear();
        else
                cited_keys_ = str.split(",");
        selected_model_.setStringList(cited_keys_);
+       if (selected_model_.rowCount()) {
+               selectedLV->blockSignals(true);
+               selectedLV->setFocus();
+               QModelIndex idx = selected_model_.index(0, 0);
+               selectedLV->selectionModel()->select(idx, 
+                               QItemSelectionModel::ClearAndSelect);
+               selectedLV->blockSignals(false);
+               
+               // set the style combo appropriately
+               string const & command = params_.getCmdName();
+               vector<CiteStyle> const & styles = citeStyles_;
+               CitationStyle const cs = citationStyleFromString(command);
+       
+               vector<CiteStyle>::const_iterator cit =
+                       std::find(styles.begin(), styles.end(), cs.style);
+               if (cit != styles.end()) {
+                       int const i = int(cit - styles.begin());
+                       // the necessary update will be performed later
+                       citationStyleCO->blockSignals(true);
+                       citationStyleCO->setCurrentIndex(i);
+                       citationStyleCO->blockSignals(false);
+               }
+       } else
+               availableLV->setFocus();
+       fillFields(bi);
+       fillEntries(bi);
+       updateControls(bi);
 }
 
 
-void GuiCitation::findKey(QString const & str, bool only_keys,
-       docstring field, docstring entryType,
+void GuiCitation::findKey(BiblioInfo const & bi,
+       QString const & str, bool only_keys,
+       docstring field, docstring entry_type,
        bool case_sensitive, bool reg_exp, bool reset)
 {
        // Used for optimisation: store last searched string.
@@ -141,14 +567,14 @@ void GuiCitation::findKey(QString const & str, bool only_keys,
        // Reset last_searched_string in case of changed option.
        if (last_case_sensitive != case_sensitive
                || last_reg_exp != reg_exp) {
-                       LYXERR(Debug::GUI) << "GuiCitation::findKey: optimisation disabled!" << std::endl;
+                       LYXERR(Debug::GUI, "GuiCitation::findKey: optimisation disabled!");
                last_searched_string.clear();
        }
        // save option for next search.
        last_case_sensitive = case_sensitive;
        last_reg_exp = reg_exp;
 
-       Qt::CaseSensitivity qtcase = case_sensitive?
+       Qt::CaseSensitivity qtcase = case_sensitive ?
                        Qt::CaseSensitive: Qt::CaseInsensitive;
        QStringList keys;
        // If new string (str) contains the last searched one...
@@ -166,48 +592,205 @@ void GuiCitation::findKey(QString const & str, bool only_keys,
 
        QStringList result;
        
-       //First, filter by entryType, which will be faster than 
-       //what follows, so we may get to do that on less.
+       // First, filter by entry_type, which will be faster than 
+       // what follows, so we may get to do that on less.
        vector<docstring> keyVector = to_docstring_vector(keys);
-       filterByEntryType(keyVector, entryType);
+       filterByEntryType(bi, keyVector, entry_type);
        
        if (str.isEmpty())
                result = to_qstring_list(keyVector);
        else
-               result = to_qstring_list(searchKeys(keyVector, only_keys, 
+               result = to_qstring_list(searchKeys(bi, keyVector, only_keys, 
                        qstring_to_ucs4(str), field, case_sensitive, reg_exp));
        
        available_model_.setStringList(result);
 }
 
 
-QStringList GuiCitation::getFieldsAsQStringList() {
-       return to_qstring_list(availableFields());
+QStringList GuiCitation::citationStyles(BiblioInfo const & bi, int sel)
+{
+       docstring const key = qstring_to_ucs4(cited_keys_[sel]);
+       return to_qstring_list(bi.getCiteStrings(key, buffer()));
+}
+
+
+void GuiCitation::setCitedKeys() 
+{
+       cited_keys_ = selected_model_.stringList();
 }
 
 
-QStringList GuiCitation::getEntriesAsQStringList() {
-       return to_qstring_list(availableEntries());
+bool GuiCitation::initialiseParams(string const & data)
+{
+       InsetCommand::string2params(data, params_);
+       CiteEngine const engine = buffer().params().citeEngine();
+       citeStyles_ = citeStyles(engine);
+       init();
+       return true;
 }
 
 
-QStringList GuiCitation::citationStyles(int sel)
+void GuiCitation::clearParams()
 {
-       docstring const key = qstring_to_ucs4(cited_keys_[sel]);
-       return to_qstring_list(getCiteStrings(key));
+       params_.clear();
+}
+
+
+void GuiCitation::filterByEntryType(BiblioInfo const & bi,
+       vector<docstring> & keyVector, docstring entry_type) 
+{
+       if (entry_type.empty())
+               return;
+       
+       vector<docstring>::iterator it = keyVector.begin();
+       vector<docstring>::iterator end = keyVector.end();
+
+       vector<docstring> result;
+       for (; it != end; ++it) {
+               docstring const key = *it;
+               BiblioInfo::const_iterator cit = bi.find(key);
+               if (cit == bi.end())
+                       continue;
+               if (cit->second.entryType() == entry_type)
+                       result.push_back(key);
+       }
+       keyVector = result;
 }
 
 
-QString GuiCitation::getKeyInfo(QString const & sel)
+CiteEngine GuiCitation::citeEngine() const
 {
-       return toqstr(getInfo(qstring_to_ucs4(sel)));
+       return buffer().params().citeEngine();
 }
 
-void GuiCitation::setCitedKeys() 
+
+// Escape special chars.
+// All characters are literals except: '.|*?+(){}[]^$\'
+// These characters are literals when preceded by a "\", which is done here
+// @todo: This function should be moved to support, and then the test in tests
+//        should be moved there as well.
+static docstring escape_special_chars(docstring const & expr)
 {
-       cited_keys_ = selected_model_.stringList();
+       // Search for all chars '.|*?+(){}[^$]\'
+       // Note that '[' and '\' must be escaped.
+       // This is a limitation of lyx::regex, but all other chars in BREs
+       // are assumed literal.
+       static const lyx::regex reg("[].|*?+(){}^$\\[\\\\]");
+
+       // $& is a perl-like expression that expands to all
+       // of the current match
+       // The '$' must be prefixed with the escape character '\' for
+       // boost to treat it as a literal.
+       // Thus, to prefix a matched expression with '\', we use:
+       // FIXME: UNICODE
+       return from_utf8(lyx::regex_replace(to_utf8(expr), reg, string("\\\\$&")));
 }
 
 
+vector<docstring> GuiCitation::searchKeys(BiblioInfo const & bi,       
+       vector<docstring> const & keys_to_search, bool only_keys,
+       docstring const & search_expression, docstring field,
+       bool case_sensitive, bool regex)
+{
+       vector<docstring> foundKeys;
+
+       docstring expr = trim(search_expression);
+       if (expr.empty())
+               return foundKeys;
+
+       if (!regex)
+               // We must escape special chars in the search_expr so that
+               // it is treated as a simple string by lyx::regex.
+               expr = escape_special_chars(expr);
+
+       lyx::regex reg_exp;
+       try {
+               reg_exp.assign(to_utf8(expr), case_sensitive ?
+                       lyx::regex_constants::ECMAScript : lyx::regex_constants::icase);
+       } catch (lyx::regex_error & e) {
+               // lyx::regex throws an exception if the regular expression is not
+               // valid.
+               LYXERR(Debug::GUI, e.what());
+               return vector<docstring>();
+       }
+
+       vector<docstring>::const_iterator it = keys_to_search.begin();
+       vector<docstring>::const_iterator end = keys_to_search.end();
+       for (; it != end; ++it ) {
+               BiblioInfo::const_iterator info = bi.find(*it);
+               if (info == bi.end())
+                       continue;
+               
+               BibTeXInfo const & kvm = info->second;
+               string data;
+               if (only_keys)
+                       data = to_utf8(*it);
+               else if (field.empty())
+                       data = to_utf8(*it) + ' ' + to_utf8(kvm.allData());
+               else 
+                       data = to_utf8(kvm[field]);
+               
+               if (data.empty())
+                       continue;
+
+               try {
+                       if (lyx::regex_search(data, reg_exp))
+                               foundKeys.push_back(*it);
+               }
+               catch (lyx::regex_error & e) {
+                       LYXERR(Debug::GUI, e.what());
+                       return vector<docstring>();
+               }
+       }
+       return foundKeys;
+}
+
+
+void GuiCitation::dispatchParams()
+{
+       std::string const lfun = InsetCommand::params2string(params_);
+       dispatch(FuncRequest(getLfun(), lfun));
+}
+
+
+BiblioInfo const & GuiCitation::bibInfo() const
+{
+       buffer().checkBibInfoCache();
+       return buffer().masterBibInfo();
+}
+
+
+void GuiCitation::saveSession() const
+{
+       Dialog::saveSession();
+       QSettings settings;
+       settings.setValue(
+               sessionKey() + "/regex", regexCB->isChecked());
+       settings.setValue(
+               sessionKey() + "/casesensitive", caseCB->isChecked());
+       settings.setValue(
+               sessionKey() + "/autofind", asTypeCB->isChecked());
+}
+
+
+void GuiCitation::restoreSession()
+{
+       Dialog::restoreSession();
+       QSettings settings;
+       regexCB->setChecked(
+               settings.value(sessionKey() + "/regex").toBool());
+       caseCB->setChecked(
+               settings.value(sessionKey() + "/casesensitive").toBool());
+       asTypeCB->setChecked(
+               settings.value(sessionKey() + "/autofind").toBool());
+}
+
+
+Dialog * createGuiCitation(GuiView & lv) { return new GuiCitation(lv); }
+
+
 } // namespace frontend
 } // namespace lyx
+
+#include "moc_GuiCitation.cpp"
+