1 files changed, 258 insertions, 0 deletions
diff --git a/src/main-view/FindPanel.cpp b/src/main-view/FindPanel.cpp
new file mode 100644
index 0000000..755fa50
--- /dev/null
+++ b/src/main-view/FindPanel.cpp
@@ -0,0 +1,258 @@
+#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;
+    }
+
+
+