lyx_mirror/src/frontends/qt4/GuiRef.cpp

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/**
* \file GuiRef.cpp
* This file is part of LyX, the document processor.
* Licence details can be found in the file COPYING.
*
* \author John Levon
* \author Jürgen Spitzmüller
*
* Full author contact details are available in file CREDITS.
*/
#include <config.h>
#include "GuiRef.h"
#include "Buffer.h"
#include "BufferList.h"
#include "FuncRequest.h"
#include "qt_helpers.h"
#include "insets/InsetRef.h"
#include "support/FileName.h"
#include "support/FileNameList.h"
#include "support/filetools.h" // makeAbsPath, makeDisplayPath
#include <QLineEdit>
#include <QCheckBox>
#include <QTreeWidget>
#include <QTreeWidgetItem>
#include <QPushButton>
#include <QToolTip>
#include <QCloseEvent>
#include <QHeaderView>
using namespace std;
using namespace lyx::support;
namespace lyx {
namespace frontend {
GuiRef::GuiRef(GuiView & lv)
: GuiDialog(lv, "ref", qt_("Cross-reference")),
params_(insetCode("ref"))
{
setupUi(this);
at_ref_ = false;
// Enabling is set in updateRefs. Disable for now in case no
// call to updateContents follows (e.g. read-only documents).
sortCB->setEnabled(false);
caseSensitiveCB->setEnabled(false);
caseSensitiveCB->setChecked(false);
refsTW->setEnabled(false);
gotoPB->setEnabled(false);
refsTW->setColumnCount(1);
refsTW->header()->setVisible(false);
connect(okPB, SIGNAL(clicked()), this, SLOT(slotOK()));
connect(applyPB, SIGNAL(clicked()), this, SLOT(slotApply()));
connect(closePB, SIGNAL(clicked()), this, SLOT(slotClose()));
connect(closePB, SIGNAL(clicked()), this, SLOT(resetDialog()));
connect(this, SIGNAL(rejected()), this, SLOT(dialogRejected()));
connect(typeCO, SIGNAL(activated(int)),
this, SLOT(changed_adaptor()));
connect(referenceED, SIGNAL(textChanged(QString)),
this, SLOT(changed_adaptor()));
connect(findLE, SIGNAL(textEdited(QString)),
this, SLOT(filterLabels()));
connect(csFindCB, SIGNAL(clicked()),
this, SLOT(filterLabels()));
connect(nameED, SIGNAL(textChanged(QString)),
this, SLOT(changed_adaptor()));
connect(refsTW, SIGNAL(itemClicked(QTreeWidgetItem *, int)),
this, SLOT(refHighlighted(QTreeWidgetItem *)));
connect(refsTW, SIGNAL(itemSelectionChanged()),
this, SLOT(selectionChanged()));
connect(refsTW, SIGNAL(itemDoubleClicked(QTreeWidgetItem *, int)),
this, SLOT(refSelected(QTreeWidgetItem *)));
connect(sortCB, SIGNAL(clicked()),
this, SLOT(sortToggled()));
connect(caseSensitiveCB, SIGNAL(clicked()),
this, SLOT(caseSensitiveToggled()));
connect(groupCB, SIGNAL(clicked()),
this, SLOT(groupToggled()));
connect(gotoPB, SIGNAL(clicked()),
this, SLOT(gotoClicked()));
connect(updatePB, SIGNAL(clicked()),
this, SLOT(updateClicked()));
connect(bufferCO, SIGNAL(activated(int)),
this, SLOT(updateClicked()));
bc().setPolicy(ButtonPolicy::NoRepeatedApplyReadOnlyPolicy);
bc().setOK(okPB);
bc().setApply(applyPB);
bc().setCancel(closePB);
bc().addReadOnly(refsTW);
bc().addReadOnly(sortCB);
bc().addReadOnly(caseSensitiveCB);
bc().addReadOnly(nameED);
bc().addReadOnly(referenceED);
bc().addReadOnly(typeCO);
bc().addReadOnly(bufferCO);
restored_buffer_ = -1;
active_buffer_ = -1;
}
void GuiRef::changed_adaptor()
{
changed();
}
void GuiRef::gotoClicked()
{
gotoRef();
}
void GuiRef::selectionChanged()
{
if (isBufferReadonly())
return;
QList<QTreeWidgetItem *> selections = refsTW->selectedItems();
if (selections.isEmpty())
return;
QTreeWidgetItem * sel = selections.first();
refHighlighted(sel);
return;
}
void GuiRef::refHighlighted(QTreeWidgetItem * sel)
{
if (isBufferReadonly())
return;
if (sel->childCount() > 0) {
sel->setExpanded(true);
return;
}
/* int const cur_item = refsTW->currentRow();
bool const cur_item_selected = cur_item >= 0 ?
refsLB->isSelected(cur_item) : false;*/
bool const cur_item_selected = refsTW->isItemSelected(sel);
if (cur_item_selected)
referenceED->setText(sel->text(0));
if (at_ref_)
gotoRef();
gotoPB->setEnabled(true);
if (typeAllowed())
typeCO->setEnabled(true);
nameED->setHidden(!nameAllowed());
nameL->setHidden(!nameAllowed());
}
void GuiRef::refSelected(QTreeWidgetItem * sel)
{
if (isBufferReadonly())
return;
/* int const cur_item = refsTW->currentRow();
bool const cur_item_selected = cur_item >= 0 ?
refsLB->isSelected(cur_item) : false;*/
bool const cur_item_selected = refsTW->isItemSelected(sel);
if (cur_item_selected)
referenceED->setText(sel->text(0));
// <enter> or double click, inserts ref and closes dialog
slotOK();
}
void GuiRef::sortToggled()
{
caseSensitiveCB->setEnabled(sortCB->isChecked());
redoRefs();
}
void GuiRef::caseSensitiveToggled()
{
redoRefs();
}
void GuiRef::groupToggled()
{
redoRefs();
}
void GuiRef::updateClicked()
{
updateRefs();
}
void GuiRef::dialogRejected()
{
resetDialog();
// We have to do this manually, instead of calling slotClose(), because
// the dialog has already been made invisible before rejected() triggers.
Dialog::disconnect();
}
void GuiRef::resetDialog()
{
at_ref_ = false;
setGotoRef();
}
void GuiRef::closeEvent(QCloseEvent * e)
{
slotClose();
resetDialog();
e->accept();
}
void GuiRef::updateContents()
{
int orig_type = typeCO->currentIndex();
referenceED->setText(toqstr(params_["reference"]));
nameED->setText(toqstr(params_["name"]));
nameED->setHidden(!nameAllowed() && !isBufferReadonly());
nameL->setHidden(!nameAllowed() && !isBufferReadonly());
// restore type settings for new insets
if (params_["reference"].empty())
typeCO->setCurrentIndex(orig_type);
else
typeCO->setCurrentIndex(InsetRef::getType(params_.getCmdName()));
typeCO->setEnabled(typeAllowed() && !isBufferReadonly());
if (!typeAllowed())
typeCO->setCurrentIndex(0);
// insert buffer list
bufferCO->clear();
FileNameList const & buffers = theBufferList().fileNames();
for (FileNameList::const_iterator it = buffers.begin();
it != buffers.end(); ++it) {
bufferCO->addItem(toqstr(makeDisplayPath(it->absFileName())));
}
int const thebuffer = theBufferList().bufferNum(buffer().fileName());
// restore the buffer combo setting for new insets
if (params_["reference"].empty() && restored_buffer_ != -1
&& restored_buffer_ < bufferCO->count() && thebuffer == active_buffer_)
bufferCO->setCurrentIndex(restored_buffer_);
else {
int const num = theBufferList().bufferNum(buffer().fileName());
bufferCO->setCurrentIndex(num);
if (thebuffer != active_buffer_)
restored_buffer_ = num;
}
active_buffer_ = thebuffer;
updateRefs();
bc().setValid(false);
}
void GuiRef::applyView()
{
last_reference_ = referenceED->text();
params_.setCmdName(InsetRef::getName(typeCO->currentIndex()));
params_["reference"] = qstring_to_ucs4(last_reference_);
params_["name"] = qstring_to_ucs4(nameED->text());
restored_buffer_ = bufferCO->currentIndex();
}
bool GuiRef::nameAllowed()
{
KernelDocType const doc_type = docType();
return doc_type != LATEX && doc_type != LITERATE;
}
bool GuiRef::typeAllowed()
{
return docType() != DOCBOOK;
}
void GuiRef::setGoBack()
{
gotoPB->setText(qt_("&Go Back"));
gotoPB->setToolTip("");
gotoPB->setToolTip(qt_("Jump back"));
}
void GuiRef::setGotoRef()
{
gotoPB->setText(qt_("&Go to Label"));
gotoPB->setToolTip("");
gotoPB->setToolTip(qt_("Jump to label"));
}
void GuiRef::gotoRef()
{
string ref = fromqstr(referenceED->text());
if (at_ref_) {
// go back
setGotoRef();
gotoBookmark();
} else {
// go to the ref
setGoBack();
gotoRef(ref);
}
at_ref_ = !at_ref_;
}
inline bool caseInsensitiveLessThan(QString const & s1, QString const & s2)
{
return s1.toLower() < s2.toLower();
}
void GuiRef::redoRefs()
{
// Prevent these widgets from emitting any signals whilst
// we modify their state.
refsTW->blockSignals(true);
referenceED->blockSignals(true);
refsTW->setUpdatesEnabled(false);
refsTW->clear();
// need this because Qt will send a highlight() here for
// the first item inserted
QString const oldSelection(referenceED->text());
QStringList refsStrings;
QStringList refsCategories;
vector<docstring>::const_iterator iter;
for (iter = refs_.begin(); iter != refs_.end(); ++iter) {
QString const lab = toqstr(*iter);
refsStrings.append(lab);
if (groupCB->isChecked() && lab.contains(":")) {
QString const pref = lab.split(':')[0];
if (!pref.isEmpty() && !refsCategories.contains(pref))
refsCategories.append(pref);
}
}
// sort categories case-intensively
qSort(refsCategories.begin(), refsCategories.end(),
caseInsensitiveLessThan /*defined above*/);
refsCategories.insert(0, qt_("<No prefix>"));
if (sortCB->isEnabled() && sortCB->isChecked()) {
if(caseSensitiveCB->isEnabled() && caseSensitiveCB->isChecked())
qSort(refsStrings.begin(), refsStrings.end());
else
qSort(refsStrings.begin(), refsStrings.end(),
caseInsensitiveLessThan /*defined above*/);
}
if (groupCB->isChecked()) {
QList<QTreeWidgetItem *> refsCats;
for (int i = 0; i < refsCategories.size(); ++i) {
QString const cat = refsCategories.at(i);
QTreeWidgetItem * item = new QTreeWidgetItem(refsTW);
item->setText(0, cat);
for (int i = 0; i < refsStrings.size(); ++i) {
QString const ref = refsStrings.at(i);
if ((ref.startsWith(cat + QString(":")))
|| (cat == qt_("<No prefix>")
&& !ref.contains(":"))) {
QTreeWidgetItem * child =
new QTreeWidgetItem(item);
child->setText(0, ref);
item->addChild(child);
}
}
refsCats.append(item);
}
refsTW->addTopLevelItems(refsCats);
} else {
QList<QTreeWidgetItem *> refsItems;
for (int i = 0; i < refsStrings.size(); ++i) {
QTreeWidgetItem * item = new QTreeWidgetItem(refsTW);
item->setText(0, refsStrings.at(i));
refsItems.append(item);
}
refsTW->addTopLevelItems(refsItems);
}
referenceED->setText(oldSelection);
// restore the last selection or, for new insets, highlight
// the previous selection
if (!oldSelection.isEmpty() || !last_reference_.isEmpty()) {
bool const newInset = oldSelection.isEmpty();
QString textToFind = newInset ? last_reference_ : oldSelection;
last_reference_.clear();
QTreeWidgetItemIterator it(refsTW);
while (*it) {
if ((*it)->text(0) == textToFind) {
refsTW->setCurrentItem(*it);
refsTW->setItemSelected(*it, !newInset);
//Make sure selected item is visible
refsTW->scrollToItem(*it);
last_reference_ = textToFind;
break;
}
++it;
}
}
refsTW->setUpdatesEnabled(true);
refsTW->update();
// redo filter
filterLabels();
// Re-activate the emission of signals by these widgets.
refsTW->blockSignals(false);
referenceED->blockSignals(false);
}
void GuiRef::updateRefs()
{
refs_.clear();
int const the_buffer = bufferCO->currentIndex();
if (the_buffer != -1) {
FileName const & name = theBufferList().fileNames()[the_buffer];
Buffer const * buf = theBufferList().getBuffer(name);
buf->getLabelList(refs_);
}
sortCB->setEnabled(!refs_.empty());
caseSensitiveCB->setEnabled(sortCB->isEnabled() && sortCB->isChecked());
refsTW->setEnabled(!refs_.empty());
// refsTW should only be the focus proxy when it is enabled
setFocusProxy(refs_.empty() ? 0 : refsTW);
gotoPB->setEnabled(!refs_.empty());
redoRefs();
}
bool GuiRef::isValid()
{
return !referenceED->text().isEmpty();
}
void GuiRef::gotoRef(string const & ref)
{
dispatch(FuncRequest(LFUN_BOOKMARK_SAVE, "0"));
dispatch(FuncRequest(LFUN_LABEL_GOTO, ref));
}
void GuiRef::gotoBookmark()
{
dispatch(FuncRequest(LFUN_BOOKMARK_GOTO, "0"));
}
void GuiRef::filterLabels()
{
Qt::CaseSensitivity cs = csFindCB->isChecked() ?
Qt::CaseSensitive : Qt::CaseInsensitive;
QTreeWidgetItemIterator it(refsTW);
while (*it) {
(*it)->setHidden(
(*it)->childCount() == 0
&& !(*it)->text(0).contains(findLE->text(), cs)
);
++it;
}
}
bool GuiRef::initialiseParams(std::string const & data)
{
InsetCommand::string2params(data, params_);
return true;
}
void GuiRef::dispatchParams()
{
std::string const lfun = InsetCommand::params2string(params_);
dispatch(FuncRequest(getLfun(), lfun));
}
Dialog * createGuiRef(GuiView & lv) { return new GuiRef(lv); }
} // namespace frontend
} // namespace lyx
#include "moc_GuiRef.cpp"