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#include "FindPanel.h"
#include <QHBoxLayout>
#include <QAction>
#include <QLineEdit>
#include <QKeyEvent>
#include "DictTableView.h"
#include "MainWindow.h"
FindPanel::FindPanel( MainWindow* aMainWindow ):
QWidget( aMainWindow ),
m_mainWindow( aMainWindow ), m_direction( 1 ), m_foundOnce(false)
{
m_closeButton = new QToolButton;
m_closeButton->setAutoRaise(true);
m_closeButton->setIcon(QIcon(":/images/gray-cross.png"));
m_closeButton->setToolTip(tr("Close"));
QLabel* textLabel = new QLabel(tr("Find:", "Title of the find pane"));
m_textEdit = new QComboBox;
textLabel->setBuddy(m_textEdit);
m_textEdit->setEditable(true);
m_textEdit->setInsertPolicy( QComboBox::NoInsert );
m_textEdit->setMaxCount( ComboBoxMaxItems );
m_textEdit->setMinimumWidth( TextEditMinWidth );
m_textEdit->setFocus();
m_findBackwardBtn = new QToolButton;
m_findBackwardBtn->resize(32, 32);
m_findBackwardBtn->setObjectName("backward");
m_findBackwardBtn->setIcon(QIcon(":/images/1leftarrow.png"));
m_findBackwardBtn->setToolTip(tr("Find previous"));
m_findBackwardBtn->setEnabled(false);
m_findForwardBtn = new QToolButton;
m_findForwardBtn->setObjectName("forward");
m_findForwardBtn->setIcon(QIcon(":/images/1rightarrow.png"));
m_findForwardBtn->setToolTip(tr("Find next"));
m_findForwardBtn->setEnabled(false);
m_caseSensitiveBtn = new QToolButton;
m_caseSensitiveBtn->setAutoRaise(true);
m_caseSensitiveBtn->setCheckable( true );
m_caseSensitiveBtn->setIcon(QIcon(":/images/Aa.png"));
m_caseSensitiveBtn->setToolTip(tr("Case sensitive"));
m_wholeWordsBtn = new QToolButton;
m_wholeWordsBtn->setAutoRaise(true);
m_wholeWordsBtn->setCheckable( true );
m_wholeWordsBtn->setIcon(QIcon(":/images/whole-words.png"));
m_wholeWordsBtn->setToolTip(tr("Whole words"));
m_regExpBtn = new QToolButton;
m_regExpBtn->setAutoRaise(true);
m_regExpBtn->setCheckable( true );
m_regExpBtn->setIcon(QIcon(":/images/RX.png"));
m_regExpBtn->setToolTip(tr("Regular expression"));
m_inSelectionBtn = new QToolButton;
m_inSelectionBtn->setAutoRaise(true);
m_inSelectionBtn->setCheckable( true );
m_inSelectionBtn->setIcon(QIcon(":/images/selection.png"));
m_inSelectionBtn->setToolTip(tr("In selection"));
QLabel* infoIconLbl = new QLabel;
infoIconLbl->setPixmap( QPixmap(":/images/warning.png").scaled(
16, 16, Qt::KeepAspectRatio, Qt::SmoothTransformation ) );
m_infoLbl = new QLabel(tr("String is not found"));
QHBoxLayout* infoLt = new QHBoxLayout;
infoLt->setContentsMargins( QMargins() );
infoLt->addWidget( infoIconLbl );
infoLt->addWidget( m_infoLbl );
m_infoPane = new QWidget;
m_infoPane->setLayout( infoLt );
m_infoPane->hide();
QHBoxLayout* mainLayout = new QHBoxLayout;
mainLayout->addWidget( m_closeButton );
mainLayout->addWidget( textLabel );
mainLayout->addWidget( m_textEdit );
mainLayout->addWidget( m_findBackwardBtn );
mainLayout->addWidget( m_findForwardBtn );
mainLayout->addWidget( m_caseSensitiveBtn );
mainLayout->addWidget( m_wholeWordsBtn );
mainLayout->addWidget( m_regExpBtn );
mainLayout->addWidget( m_inSelectionBtn );
mainLayout->addSpacing( 50 );
mainLayout->addWidget( m_infoPane );
mainLayout->addStretch();
mainLayout->setContentsMargins( QMargins() );
setLayout( mainLayout );
connect( m_inSelectionBtn, SIGNAL(toggled(bool)), SLOT(updateFindButtons()) );
connect( m_textEdit, SIGNAL(editTextChanged(const QString&)), SLOT(updateFindButtons()) );
connect( m_textEdit, SIGNAL(editTextChanged(const QString&)), m_infoPane, SLOT(hide()) );
connect( m_findForwardBtn, SIGNAL(clicked()), this, SLOT(find()) );
connect( m_findBackwardBtn, SIGNAL(clicked()), this, SLOT(find()) );
connect( m_closeButton, SIGNAL(clicked()), this, SLOT(hide()) );
}
void FindPanel::show()
{
m_textEdit->setFocus();
m_textEdit->lineEdit()->selectAll();
QWidget::show();
}
void FindPanel::keyPressEvent( QKeyEvent* event )
{
if( event->key() == Qt::Key_Return )
find();
else
QWidget::keyPressEvent( event );
}
/**
@arg aDirection 1 = forward; -1 = backward; 0 = previous direction
*/
void FindPanel::find()
{
// Check controls
QString searchText = m_textEdit->currentText();
if( searchText.isEmpty() )
return;
DictTableView* tableView = const_cast<DictTableView*>( m_mainWindow->getCurDictView() );
QModelIndexList rows = tableView->selectionModel()->selectedRows();
if( rows.size() <= 1 && m_inSelectionBtn->isChecked() )
m_inSelectionBtn->setChecked( false );
// Process search parameters
bool inSelection = m_inSelectionBtn->isChecked();
bool fromCursor = true;
if( inSelection || (rows.size() == 1 && rows.first().row() == 0 ) )
fromCursor = false;
// Process direction
if( sender() )
{
if( sender()->objectName() == "forward" )
m_direction = 1;
else if( sender()->objectName() == "backward" )
m_direction = -1;
}
// For "find again" case, the direction stays the same
// Save the entered text to combobox
int textIndex = m_textEdit->findText( searchText );
if( textIndex != 0 ) // Don't re-add the same text at the first line
{
if( textIndex > -1 ) // Remove duplicates
m_textEdit->removeItem( textIndex );
m_textEdit->insertItem( 0, searchText );
}
// Create the search regular expression
QString searchRegExpStr;
if( !m_regExpBtn->isChecked() )
searchRegExpStr = QRegExp::escape( searchText );
else
searchRegExpStr = searchText;
if( m_wholeWordsBtn->isChecked() )
searchRegExpStr = "\\b" + searchText + "\\b";
QRegExp searchRegExp = QRegExp( searchRegExpStr,
m_caseSensitiveBtn->isChecked()? Qt::CaseSensitive : Qt::CaseInsensitive);
// Get sorted search range
QModelIndexList searchRange;
if( inSelection )
{
searchRange = tableView->selectionModel()->selectedIndexes();
qSort( searchRange );
}
else // all indexes
{
QAbstractItemModel* tableModel = tableView->model();
for(int r=0; r < tableModel->rowCount(); r++)
for(int c=0; c < tableModel->columnCount(); c++)
searchRange << tableModel->index(r, c);
}
// Get the starting search point (iterator)
QListIterator<QModelIndex> startingPoint( searchRange );
if( fromCursor )
{
bool ok = startingPoint.findNext( tableView->currentIndex() );
if( !ok )
startingPoint.toFront();
if( ok && m_direction < 0 )
startingPoint.previous(); // Go one item backwards
}
else
if( m_direction < 0 )
startingPoint.toBack();
// Try to find the regexp
bool found = findRegExp( searchRegExp, startingPoint );
if ( !found && fromCursor )
{
// Continue searching
m_mainWindow->showContinueSearch();
if( m_direction > 0 )
startingPoint.toFront();
else
startingPoint.toBack();
if( findRegExp( searchRegExp, startingPoint ) )
found = true;
}
if( !found )
m_infoPane->show();
}
bool FindPanel::findRegExp( const QRegExp& aSearchRegExp, QListIterator<QModelIndex> aStartingPoint )
{
DictTableView* tableView = const_cast<DictTableView*>( m_mainWindow->getCurDictView() );
QModelIndex foundIndex;
while( (m_direction > 0)? aStartingPoint.hasNext() : aStartingPoint.hasPrevious() )
{
QModelIndex index = (m_direction > 0)? aStartingPoint.next() : aStartingPoint.previous();
QString valueStr = index.data( Qt::EditRole ).toString(); // Search in display, not edit, strings. Matters for <img>.
if( valueStr.contains( aSearchRegExp ) )
{
foundIndex = index;
break;
}
}
if( foundIndex.isValid() )
{
tableView->setFocus();
tableView->setCurrentIndex( foundIndex );
return true;
}
else
return false;
}
void FindPanel::updateFindButtons()
{
m_findForwardBtn->setEnabled( !m_textEdit->currentText().isEmpty() );
m_findBackwardBtn->setEnabled( !m_textEdit->currentText().isEmpty() && !m_inSelectionBtn->isChecked() );
}
bool FindPanel::canFindAgain()
{
if( !m_foundOnce )
return false;
const DictTableView* tableView = m_mainWindow->getCurDictView();
if( tableView && !m_textEdit->currentText().isEmpty() )
return true;
else
return false;
}
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