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#include "search_panel.hpp"
#include "draw_widget.hpp"
#include "../map/measurement_utils.hpp"
#include "../std/bind.hpp"
#include <QtCore/QTimer>
#include <QtGui/QHeaderView>
#include <QtGui/QTableWidget>
#include <QtGui/QLineEdit>
#include <QtGui/QVBoxLayout>
#include <QtGui/QHBoxLayout>
#include <QtGui/QPushButton>
#include <QtGui/QBitmap>
namespace qt
{
SearchPanel::SearchPanel(DrawWidget * drawWidget, QWidget * parent)
: QWidget(parent), m_pDrawWidget(drawWidget), m_busyIcon(":/ui/busy.png")
{
m_pEditor = new QLineEdit(this);
connect(m_pEditor, SIGNAL(textChanged(QString const &)),
this, SLOT(OnSearchTextChanged(QString const &)));
m_pTable = new QTableWidget(0, 5, this);
m_pTable->setFocusPolicy(Qt::NoFocus);
m_pTable->setAlternatingRowColors(true);
m_pTable->setShowGrid(false);
m_pTable->setSelectionBehavior(QAbstractItemView::SelectRows);
m_pTable->verticalHeader()->setVisible(false);
m_pTable->horizontalHeader()->setVisible(false);
m_pTable->horizontalHeader()->setResizeMode(QHeaderView::ResizeToContents);
connect(m_pTable, SIGNAL(cellClicked(int, int)), this, SLOT(OnSearchPanelItemClicked(int,int)));
m_pClearButton = new QPushButton(this);
connect(m_pClearButton, SIGNAL(pressed()), this, SLOT(OnClearButton()));
m_pClearButton->setVisible(false);
m_pClearButton->setFocusPolicy(Qt::NoFocus);
m_pAnimationTimer = new QTimer(this);
connect(m_pAnimationTimer, SIGNAL(timeout()), this, SLOT(OnAnimationTimer()));
QHBoxLayout * horizontalLayout = new QHBoxLayout();
horizontalLayout->addWidget(m_pEditor);
horizontalLayout->addWidget(m_pClearButton);
QVBoxLayout * verticalLayout = new QVBoxLayout();
verticalLayout->addLayout(horizontalLayout);
verticalLayout->addWidget(m_pTable);
setLayout(verticalLayout);
// for multithreading support
CHECK(connect(this, SIGNAL(SearchResultSignal(ResultsT *)),
this, SLOT(OnSearchResult(ResultsT *)), Qt::QueuedConnection), ());
setFocusPolicy(Qt::StrongFocus);
setFocusProxy(m_pEditor);
m_params.m_callback = bind(&SearchPanel::SearchResultThreadFunc, this, _1);
}
void SearchPanel::SearchResultThreadFunc(ResultsT const & result)
{
emit SearchResultSignal(new ResultsT(result));
}
namespace
{
QTableWidgetItem * create_item(QString const & s)
{
QTableWidgetItem * item = new QTableWidgetItem(s);
item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
return item;
}
/*
QIcon draw_direction(double a)
{
int const dim = 64;
QPixmap pm(dim, dim);
QBitmap mask(dim, dim);
mask.clear();
pm.setMask(mask);
QPainter painter(&pm);
painter.setBackgroundMode(Qt::TransparentMode);
QMatrix m;
m.translate(dim/2, dim/2);
m.rotate(-a / math::pi * 180.0);
m.translate(-dim/2, -dim/2);
typedef QPointF P;
QPolygonF poly(5);
poly[0] = P(dim/3, dim/2);
poly[1] = P(0, dim/2 - dim/3);
poly[2] = P(dim, dim/2);
poly[3] = P(0, dim/2 + dim/3);
poly[4] = P(dim/3, dim/2);
painter.setBrush(Qt::black);
painter.drawPolygon(m.map(poly));
return pm;
}
*/
}
void SearchPanel::OnSearchResult(ResultsT * res)
{
scoped_ptr<ResultsT> guard(res);
if (res->IsEndMarker())
{
if (res->IsEndedNormal())
{
// stop search busy indicator
m_pAnimationTimer->stop();
m_pClearButton->setIcon(QIcon(":/ui/x.png"));
}
}
else
{
// clear old results
m_pTable->clear();
m_pTable->setRowCount(0);
m_results.clear();
Framework & frm = m_pDrawWidget->GetFramework();
frm.AdditionalPoiLayerClear();
for (ResultsT::IterT i = res->Begin(); i != res->End(); ++i)
{
ResultT const & e = *i;
int const rowCount = m_pTable->rowCount();
m_pTable->insertRow(rowCount);
m_pTable->setItem(rowCount, 1, create_item(QString::fromUtf8(e.GetString())));
m_pTable->setItem(rowCount, 2, create_item(QString::fromUtf8(e.GetRegionString())));
if (e.GetResultType() == ResultT::RESULT_FEATURE)
{
// For debug purposes: add bookmarks for search results
Bookmark bm(e.GetFeatureCenter(), e.GetString(), "placemark-red");
frm.AdditionalPoiLayerAddPoi(bm);
m_pTable->setItem(rowCount, 0,
create_item(QString::fromUtf8(e.GetFeatureType())));
string strDist;
bool const drawDir = MeasurementUtils::FormatDistance(e.GetDistanceFromCenter(), strDist);
m_pTable->setItem(rowCount, 3, create_item(strDist.c_str()));
if (drawDir)
{
/*
QTableWidgetItem * item =
new QTableWidgetItem(draw_direction(e.GetDirectionFromCenter()), QString());
item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled);
m_pTable->setItem(rowCount, 4, item);
*/
}
}
m_results.push_back(e);
}
}
}
void SearchPanel::OnSearchTextChanged(QString const & str)
{
QString const normalized = str.normalized(QString::NormalizationForm_KC);
// search even with empty query
//if (!normalized.isEmpty())
{
m_params.m_query = normalized.toUtf8().constData();
if (m_pDrawWidget->Search(m_params))
{
// show busy indicator
if (!m_pAnimationTimer->isActive())
m_pAnimationTimer->start(200);
m_pClearButton->setFlat(true);
m_pClearButton->setVisible(true);
}
}
//else
//{
// // hide X button
// m_pClearButton->setVisible(false);
//}
}
void SearchPanel::OnSearchPanelItemClicked(int row, int)
{
disconnect(m_pDrawWidget, SIGNAL(ViewportChanged()), this, SLOT(OnViewportChanged()));
ASSERT_EQUAL(m_results.size(), static_cast<size_t>(m_pTable->rowCount()), ());
if (m_results[row].GetResultType() == ResultT::RESULT_FEATURE)
{
// center viewport on clicked item
m_pDrawWidget->ShowSearchResult(m_results[row]);
}
else
{
// insert suggestion into the search bar
string const suggestion = m_results[row].GetSuggestionString();
m_pEditor->setText(QString::fromUtf8(suggestion.c_str()));
}
connect(m_pDrawWidget, SIGNAL(ViewportChanged()), this, SLOT(OnViewportChanged()));
}
void SearchPanel::showEvent(QShowEvent *)
{
connect(m_pDrawWidget, SIGNAL(ViewportChanged()), this, SLOT(OnViewportChanged()));
OnSearchTextChanged(QString());
}
void SearchPanel::hideEvent(QHideEvent *)
{
m_pDrawWidget->GetFramework().AdditionalPoiLayerClear();
disconnect(m_pDrawWidget, SIGNAL(ViewportChanged()), this, SLOT(OnViewportChanged()));
m_pDrawWidget->CloseSearch();
}
void SearchPanel::OnViewportChanged()
{
QString const txt = m_pEditor->text();
if (!txt.isEmpty())
OnSearchTextChanged(txt);
}
void SearchPanel::OnAnimationTimer()
{
static int angle = 0;
QMatrix rm;
angle += 15;
if (angle >= 360)
angle = 0;
rm.rotate(angle);
m_pClearButton->setIcon(QIcon(m_busyIcon.transformed(rm)));
}
void SearchPanel::OnClearButton()
{
m_pEditor->setText("");
}
}
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