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recoll/src/qtgui/restable.cpp

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#ifndef lint
static char rcsid[] = "@(#$Id: reslist.cpp,v 1.52 2008-12-17 15:12:08 dockes Exp $ (C) 2005 J.F.Dockes";
#endif
#include "autoconfig.h"
#include <stdlib.h>
#include <time.h>
#include <algorithm>
#include <Qt>
#include <QShortcut>
#include <QAbstractTableModel>
#include <QSettings>
#include <QMenu>
#include <QScrollBar>
#include <QStyledItemDelegate>
#include <QTextDocument>
#include <QPainter>
#include "refcntr.h"
#include "docseq.h"
#include "debuglog.h"
#include "restable.h"
#include "guiutils.h"
#include "reslistpager.h"
#include "reslist.h"
#include "rclconfig.h"
#include "plaintorich.h"
//////////////////////////////////
// Restable "pager". We use it to display a single doc details in the
// detail area
///
class ResTablePager : public ResListPager {
public:
ResTablePager(ResTable *p)
: ResListPager(1), m_parent(p)
{}
virtual bool append(const string& data, int idx, const Rcl::Doc& doc);
virtual string trans(const string& in);
virtual const string &parFormat();
virtual string iconPath(const string& mt);
private:
ResTable *m_parent;
};
//////////////////////////
// Restable hiliter: to highlight search term in the table. This is actually
// the same as reslist's, could be shared.
class PlainToRichQtReslist : public PlainToRich {
public:
virtual ~PlainToRichQtReslist() {}
virtual string startMatch() {
return string("<span style='color: ")
+ string((const char *)prefs.qtermcolor.toAscii()) + string("'>");
}
virtual string endMatch() {return string("</span>");}
};
static PlainToRichQtReslist g_hiliter;
/////////////////////////////////////
bool ResTablePager::append(const string& data, int docnum, const Rcl::Doc&)
{
m_parent->textBrowser->moveCursor(QTextCursor::End,
QTextCursor::MoveAnchor);
m_parent->textBrowser->textCursor().insertBlock();
m_parent->textBrowser->insertHtml(QString::fromUtf8(data.c_str()));
m_parent->m_detaildocnum = docnum;
return true;
}
string ResTablePager::trans(const string& in)
{
return string((const char*)ResList::tr(in.c_str()).toUtf8());
}
const string& ResTablePager::parFormat()
{
return prefs.creslistformat;
}
string ResTablePager::iconPath(const string& mtype)
{
string iconpath;
RclConfig::getMainConfig()->getMimeIconName(mtype, &iconpath);
return iconpath;
}
//////////////////////////////////////////////
//// Data model methods
////
// Routines used to extract named data from an Rcl::Doc. The basic one just uses the meta map. Others
// (ie: the date ones) need to do a little processing
static string gengetter(const string& fld, const Rcl::Doc& doc)
{
map<string, string>::const_iterator it = doc.meta.find(fld);
if (it == doc.meta.end()) {
return string();
}
return it->second;
}
static string dategetter(const string&, const Rcl::Doc& doc)
{
char datebuf[100];
datebuf[0] = 0;
if (!doc.dmtime.empty() || !doc.fmtime.empty()) {
time_t mtime = doc.dmtime.empty() ?
atol(doc.fmtime.c_str()) : atol(doc.dmtime.c_str());
struct tm *tm = localtime(&mtime);
strftime(datebuf, 99, "%x", tm);
}
return datebuf;
}
static string datetimegetter(const string&, const Rcl::Doc& doc)
{
char datebuf[100];
datebuf[0] = 0;
if (!doc.dmtime.empty() || !doc.fmtime.empty()) {
time_t mtime = doc.dmtime.empty() ?
atol(doc.fmtime.c_str()) : atol(doc.dmtime.c_str());
struct tm *tm = localtime(&mtime);
#ifndef sun
strftime(datebuf, 99, "%Y-%m-%d %H:%M:%S %z", tm);
#else
strftime(datebuf, 99, "%c", tm);
#endif
}
return datebuf;
}
// Static map to translate from internal column names to displayable ones
map<string, string> RecollModel::o_displayableFields =
create_map<string, string>
("abstract", QT_TR_NOOP("Abstract"))
("author", QT_TR_NOOP("Author"))
("dbytes", QT_TR_NOOP("Document size"))
("dmtime", QT_TR_NOOP("Document date"))
("fbytes", QT_TR_NOOP("File size"))
("filename", QT_TR_NOOP("File name"))
("fmtime", QT_TR_NOOP("File date"))
("ipath", QT_TR_NOOP(" Ipath"))
("keywords", QT_TR_NOOP("Keywords"))
("mtype", QT_TR_NOOP("Mime type"))
("origcharset", QT_TR_NOOP("Original character set"))
("relevancyrating", QT_TR_NOOP("Relevancy rating"))
("title", QT_TR_NOOP("Title"))
("url", QT_TR_NOOP("URL"))
("mtime", QT_TR_NOOP("Mtime"))
("date", QT_TR_NOOP("Date"))
("datetime", QT_TR_NOOP("Date and time"))
;
FieldGetter *RecollModel::chooseGetter(const string& field)
{
if (!stringlowercmp("date", field))
return dategetter;
else if (!stringlowercmp("datetime", field))
return datetimegetter;
else
return gengetter;
}
string RecollModel::baseField(const string& field)
{
if (!stringlowercmp("date", field) || !stringlowercmp("datetime", field))
return "mtime";
else
return field;
}
RecollModel::RecollModel(const QStringList fields, QObject *parent)
: QAbstractTableModel(parent), m_ignoreSort(false)
{
// Add dynamic "stored" fields to the full column list. This
// could be protected to be done only once, but it's no real
// problem
RclConfig *config = RclConfig::getMainConfig();
if (config) {
const set<string>& stored = config->getStoredFields();
for (set<string>::const_iterator it = stored.begin();
it != stored.end(); it++) {
if (o_displayableFields.find(*it) == o_displayableFields.end()) {
o_displayableFields[*it] = *it;
}
}
}
// Construct the actual list of column names
for (QStringList::const_iterator it = fields.begin();
it != fields.end(); it++) {
m_fields.push_back((const char *)(it->toUtf8()));
m_getters.push_back(chooseGetter(m_fields[m_fields.size()-1]));
}
g_hiliter.set_inputhtml(false);
}
int RecollModel::rowCount(const QModelIndex&) const
{
LOGDEB2(("RecollModel::rowCount\n"));
if (m_source.isNull())
return 0;
return m_source->getResCnt();
}
int RecollModel::columnCount(const QModelIndex&) const
{
LOGDEB2(("RecollModel::columnCount\n"));
return m_fields.size();
}
void RecollModel::readDocSource()
{
LOGDEB(("RecollModel::readDocSource()\n"));
beginResetModel();
endResetModel();
}
void RecollModel::setDocSource(RefCntr<DocSequence> nsource)
{
LOGDEB(("RecollModel::setDocSource\n"));
if (nsource.isNull()) {
m_source = RefCntr<DocSequence>();
} else {
m_source = RefCntr<DocSequence>(new DocSource(nsource));
m_hdata.reset();
m_source->getTerms(m_hdata.terms, m_hdata.groups, m_hdata.gslks);
}
readDocSource();
}
void RecollModel::deleteColumn(int col)
{
if (col > 0 && col < int(m_fields.size())) {
vector<string>::iterator it = m_fields.begin();
it += col;
m_fields.erase(it);
vector<FieldGetter*>::iterator it1 = m_getters.begin();
it1 += col;
m_getters.erase(it1);
readDocSource();
}
}
void RecollModel::addColumn(int col, const string& field)
{
LOGDEB(("AddColumn: col %d fld [%s]\n", col, field.c_str()));
if (col >= 0 && col < int(m_fields.size())) {
col++;
vector<string>::iterator it = m_fields.begin();
vector<FieldGetter*>::iterator it1 = m_getters.begin();
if (col) {
it += col;
it1 += col;
}
m_fields.insert(it, field);
m_getters.insert(it1, chooseGetter(field));
readDocSource();
}
}
QVariant RecollModel::headerData(int idx, Qt::Orientation orientation,
int role) const
{
LOGDEB2(("RecollModel::headerData: idx %d\n", idx));
if (orientation == Qt::Vertical && role == Qt::DisplayRole) {
return idx;
}
if (orientation == Qt::Horizontal && role == Qt::DisplayRole &&
idx < int(m_fields.size())) {
map<string, string>::const_iterator it =
o_displayableFields.find(m_fields[idx]);
if (it == o_displayableFields.end())
return QString::fromUtf8(m_fields[idx].c_str());
else
return QString::fromUtf8(it->second.c_str());
}
return QVariant();
}
QVariant RecollModel::data(const QModelIndex& index, int role) const
{
LOGDEB1(("RecollModel::data: row %d col %d\n", index.row(),
index.column()));
if (m_source.isNull() || role != Qt::DisplayRole || !index.isValid() ||
index.column() >= int(m_fields.size())) {
return QVariant();
}
Rcl::Doc doc;
if (!m_source->getDoc(index.row(), doc)) {
return QVariant();
}
string colname = m_fields[index.column()];
list<string> lr;
g_hiliter.plaintorich(m_getters[index.column()](colname, doc), lr, m_hdata);
return QString::fromUtf8(lr.front().c_str());
}
// This gets called when the column headers are clicked
void RecollModel::sort(int column, Qt::SortOrder order)
{
if (m_ignoreSort)
return;
LOGDEB(("RecollModel::sort(%d, %d)\n", column, int(order)));
DocSeqSortSpec spec;
if (column >= 0 && column < int(m_fields.size())) {
spec.field = m_fields[column];
if (!stringlowercmp("date", spec.field) ||
!stringlowercmp("datetime", spec.field))
spec.field = "mtime";
spec.desc = order == Qt::AscendingOrder ? false : true;
}
emit sortColumnChanged(spec);
}
///////////////////////////
// ResTable panel methods
// We use a custom delegate to display the cells because the base
// tableview's can't handle rich text to highlight the match terms
class ResTableDelegate: public QStyledItemDelegate {
public:
ResTableDelegate(QObject *parent) : QStyledItemDelegate(parent) {}
// We might want to optimize by passing the data to the base
// method if the text does not contain any term matches. Would
// need a modif to plaintorich to return the match count (easy),
// and a way to pass an indicator from data(), a bit more
// difficult. Anyway, the display seems fast enough as is.
void paint(QPainter *painter, const QStyleOptionViewItem &option,
const QModelIndex &index) const
{
QStyleOptionViewItemV4 opt = option;
initStyleOption(&opt, index);
QVariant value = index.data(Qt::DisplayRole);
if (value.isValid() && !value.isNull()) {
QString text = value.toString();
if (!text.isEmpty()) {
QTextDocument document;
painter->save();
if (opt.state & QStyle::State_Selected) {
painter->fillRect(opt.rect, opt.palette.highlight());
// Set the foreground color. The pen approach does
// not seem to work, probably it's reset by the
// textdocument. Couldn't use
// setdefaultstylesheet() either. the div thing is
// an ugly hack. Works for now
#if 0
QPen pen = painter->pen();
pen.setBrush(opt.palette.brush(QPalette::HighlightedText));
painter->setPen(pen);
#else
text = QString::fromAscii("<div style='color: white'> ") +
text + QString::fromAscii("</div>");
#endif
}
painter->setClipRect(option.rect);
painter->translate(option.rect.topLeft());
document.setHtml(text);
document.drawContents(painter);
painter->restore();
return;
}
}
QStyledItemDelegate::paint(painter, option, index);
}
};
void ResTable::init()
{
if (!(m_model = new RecollModel(prefs.restableFields)))
return;
tableView->setModel(m_model);
tableView->setMouseTracking(true);
tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
tableView->setSelectionMode(QAbstractItemView::SingleSelection);
tableView->setItemDelegate(new ResTableDelegate(this));
QHeaderView *header = tableView->horizontalHeader();
if (header) {
if (int(prefs.restableColWidths.size()) == header->count()) {
for (int i = 0; i < header->count(); i++) {
header->resizeSection(i, prefs.restableColWidths[i]);
}
}
header->setSortIndicatorShown(true);
header->setSortIndicator(-1, Qt::AscendingOrder);
header->setContextMenuPolicy(Qt::CustomContextMenu);
connect(header, SIGNAL(sectionResized(int,int,int)),
this, SLOT(saveColWidths()));
connect(header, SIGNAL(customContextMenuRequested(const QPoint&)),
this, SLOT(createHeaderPopupMenu(const QPoint&)));
}
header->setMovable(true);
header = tableView->verticalHeader();
if (header) {
header->setDefaultSectionSize(22);
}
QKeySequence seq("Esc");
QShortcut *sc = new QShortcut(seq, this);
connect(sc, SIGNAL (activated()),
tableView->selectionModel(), SLOT (clear()));
connect(tableView->selectionModel(), SIGNAL(currentChanged(const QModelIndex&, const QModelIndex &)),
this, SLOT(onTableView_currentChanged(const QModelIndex&)));
m_pager = new ResTablePager(this);
QSettings settings;
QVariant saved = settings.value("resTableSplitterSizes");
if (saved != QVariant()) {
splitter->restoreState(saved.toByteArray());
} else {
QList<int> sizes;
sizes << 355 << 125;
splitter->setSizes(sizes);
}
textBrowser->setReadOnly(TRUE);
textBrowser->setUndoRedoEnabled(FALSE);
textBrowser->setOpenLinks(FALSE);
// signals and slots connections
connect(textBrowser, SIGNAL(anchorClicked(const QUrl &)),
this, SLOT(linkWasClicked(const QUrl &)));
}
// This is called by rclmain_w prior to exiting
void ResTable::saveColState()
{
QSettings settings;
settings.setValue("resTableSplitterSizes", splitter->saveState());
QHeaderView *header = tableView->horizontalHeader();
if (header && header->sectionsMoved()) {
// Remember the current column order. Walk in visual order and
// create new list
QStringList newfields;
vector<int> newwidths;
for (int vi = 0; vi < header->count(); vi++) {
int li = header->logicalIndex(vi);
newfields.push_back(prefs.restableFields.at(li));
newwidths.push_back(header->sectionSize(li));
}
prefs.restableFields = newfields;
prefs.restableColWidths = newwidths;
} else {
const vector<string>& vf = m_model->getFields();
prefs.restableFields.clear();
for (int i = 0; i < int(vf.size()); i++) {
prefs.restableFields.push_back(QString::fromUtf8(vf[i].c_str()));
}
saveColWidths();
}
}
void ResTable::saveColWidths()
{
LOGDEB(("ResTable::saveColWidths()\n"));
QHeaderView *header = tableView->horizontalHeader();
if (!header)
return;
prefs.restableColWidths.clear();
for (int i = 0; i < header->count(); i++) {
prefs.restableColWidths.push_back(header->sectionSize(i));
}
}
void ResTable::onTableView_currentChanged(const QModelIndex& index)
{
LOGDEB0(("ResTable::onTableView_currentChanged(%d, %d)\n",
index.row(), index.column()));
if (!m_model || m_model->getDocSource().isNull())
return;
Rcl::Doc doc;
if (m_model->getDocSource()->getDoc(index.row(), doc)) {
textBrowser->clear();
m_detaildocnum = index.row();
m_pager->displayDoc(index.row(), doc, m_model->m_hdata);
}
}
void ResTable::on_tableView_entered(const QModelIndex& index)
{
LOGDEB0(("ResTable::on_tableView_entered(%d, %d)\n",
index.row(), index.column()));
if (!tableView->selectionModel()->hasSelection())
onTableView_currentChanged(index);
}
void ResTable::setDocSource(RefCntr<DocSequence> nsource)
{
LOGDEB(("ResTable::setDocSource\n"));
if (m_model)
m_model->setDocSource(nsource);
if (m_pager)
m_pager->setDocSource(nsource, 0);
if (textBrowser)
textBrowser->clear();
}
void ResTable::resetSource()
{
LOGDEB(("ResTable::resetSource\n"));
setDocSource(RefCntr<DocSequence>());
}
// This is called when the sort order is changed from another widget
void ResTable::onSortDataChanged(DocSeqSortSpec spec)
{
LOGDEB(("ResTable::onSortDataChanged: [%s] desc %d\n",
spec.field.c_str(), int(spec.desc)));
QHeaderView *header = tableView->horizontalHeader();
if (!header || !m_model)
return;
// Check if the specified field actually matches one of columns
// and set indicator
m_model->setIgnoreSort(true);
bool matched = false;
const vector<string> fields = m_model->getFields();
for (unsigned int i = 0; i < fields.size(); i++) {
if (!spec.field.compare(m_model->baseField(fields[i]))) {
header->setSortIndicator(i, spec.desc ?
Qt::DescendingOrder : Qt::AscendingOrder);
matched = true;
}
}
if (!matched)
header->setSortIndicator(-1, Qt::AscendingOrder);
m_model->setIgnoreSort(false);
}
void ResTable::resetSort()
{
LOGDEB(("ResTable::resetSort()\n"));
QHeaderView *header = tableView->horizontalHeader();
if (header)
header->setSortIndicator(-1, Qt::AscendingOrder);
// the model's sort slot is not called by qt in this case (qt 4.7)
if (m_model)
m_model->sort(-1, Qt::AscendingOrder);
}
void ResTable::readDocSource(bool resetPos)
{
LOGDEB(("ResTable::readDocSource(%d)\n", int(resetPos)));
if (resetPos)
tableView->verticalScrollBar()->setSliderPosition(0);
m_model->readDocSource();
textBrowser->clear();
}
void ResTable::linkWasClicked(const QUrl &url)
{
if (!m_model || m_model->getDocSource().isNull())
return;
QString s = url.toString();
const char *ascurl = s.toAscii();
LOGDEB(("ResTable::linkWasClicked: [%s]\n", ascurl));
int i = atoi(ascurl+1) -1;
int what = ascurl[0];
switch (what) {
case 'P':
case 'E':
{
Rcl::Doc doc;
if (!m_model->getDocSource()->getDoc(i, doc)) {
LOGERR(("ResTable::linkWasClicked: can't get doc for %d\n", i));
return;
}
if (what == 'P')
emit docPreviewClicked(i, doc, 0);
else
emit docEditClicked(doc);
}
break;
default:
LOGERR(("ResList::linkWasClicked: bad link [%s]\n", ascurl));
break;// ??
}
}
void ResTable::createHeaderPopupMenu(const QPoint& pos)
{
LOGDEB(("ResTable::createHeaderPopupMenu(%d, %d)\n", pos.x(), pos.y()));
QHeaderView *header = tableView->horizontalHeader();
if (!header || !m_model)
return;
m_popcolumn = header->logicalIndexAt(pos);
if (m_popcolumn < 0)
return;
const map<string, string>& allfields = m_model->getAllFields();
const vector<string>& fields = m_model->getFields();
QMenu *popup = new QMenu(this);
popup->addAction(tr("&Reset sort"), this, SLOT(resetSort()));
popup->addSeparator();
popup->addAction(tr("&Delete column"), this, SLOT(deleteColumn()));
popup->addSeparator();
QAction *act;
for (map<string, string>::const_iterator it = allfields.begin();
it != allfields.end(); it++) {
if (std::find(fields.begin(), fields.end(), it->first) != fields.end())
continue;
act = new QAction(tr("Add \"")+tr(it->second.c_str())+tr("\" column"),
popup);
act->setData(QString::fromUtf8(it->first.c_str()));
connect(act, SIGNAL(triggered(bool)), this , SLOT(addColumn()));
popup->addAction(act);
}
popup->popup(mapToGlobal(pos));
}
void ResTable::deleteColumn()
{
if (m_model)
m_model->deleteColumn(m_popcolumn);
}
void ResTable::addColumn()
{
if (!m_model)
return;
QAction *action = (QAction *)sender();
LOGDEB(("addColumn: text %s, data %s\n",
(const char *)action->text().toUtf8(),
(const char *)action->data().toString().toUtf8()
));
string field((const char *)action->data().toString().toUtf8());
m_model->addColumn(m_popcolumn, field);
}
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