1 files changed, 205 insertions, 0 deletions
diff --git a/src/study/CardSideView.cpp b/src/study/CardSideView.cpp
new file mode 100644
index 0000000..8956210
--- /dev/null
+++ b/src/study/CardSideView.cpp
@@ -0,0 +1,205 @@
+#include "CardSideView.h"
+#include "../field-styles/FieldStyleFactory.h"
+#include "../dictionary/CardPack.h"
+#include "../dictionary/IDictionary.h"
+
+#include <QtCore>
+
+CardSideView::CardSideView( bool aMode ):
+    m_showMode(aMode), cardPack(NULL)
+{
+    setFrameStyle( QFrame::Plain | QFrame::Box );
+    setAlignment( Qt::AlignCenter );
+    setTextFormat( Qt::RichText );
+    setWordWrap( true );
+    setAutoFillBackground( true );
+    setPalette( FieldStyleFactory::inst()->cardBgColor );
+    newIcon = new QLabel(this);
+    newIcon->setPixmap(QPixmap(":/images/new-topright.png"));
+    updateNewIconPos();
+    newIcon->hide();
+}
+
+void CardSideView::setEnabled( bool aEnabled )
+    {
+    QLabel::setEnabled( aEnabled );
+    setBackgroundVisible( aEnabled );
+    }
+
+/** Cleans background and text */
+void CardSideView::setBackgroundVisible( bool aVisible )
+    {
+    if( aVisible )
+        QLabel::setEnabled( true );
+    setAutoFillBackground( aVisible );
+    setLineWidth( aVisible? 1 : 0 );
+    if( !aVisible )
+        setText("");
+    }
+
+void CardSideView::setPack(const CardPack* pack)
+    {
+    cardPack = pack;
+    }
+
+void CardSideView::setQstAnsr( const QString aQuestion, const QStringList aAnswers )
+    {
+    m_question = aQuestion;
+    m_answers = aAnswers;
+    updateText();
+    }
+
+void CardSideView::setQuestion( const QString aQuestion )
+    {
+    m_question = aQuestion;
+    updateText();
+    }
+
+void CardSideView::setShowMode( bool aMode )
+    {
+    m_showMode = aMode;
+    updateText();
+    }
+
+void CardSideView::updateText()
+{
+    setText(getFormattedText());
+}
+
+QString CardSideView::getFormattedText() const
+{
+    if(!cardPack)
+        return QString();
+    if(m_showMode == QstMode)
+        return getFormattedQuestion();
+    else
+        return getFormattedAnswer();
+}
+
+QString CardSideView::getFormattedQuestion() const
+{
+    const Field* qstField = cardPack->getQuestionField();
+    if(!qstField)
+        return QString();
+    return formattedField(m_question, qstField->style());
+}
+
+QString CardSideView::getFormattedAnswer() const
+{
+    QStringList formattedAnswers;
+    int i = 0;
+    foreach(const Field* field, cardPack->getAnswerFields())
+    {
+        QString text = getFormattedAnswerField(field, i);
+        if(i == 0)
+            text += "<br/>";
+        if(!text.isEmpty())
+            formattedAnswers << text;
+        i++;
+    }
+    return formattedAnswers.join("<br/>");
+}
+
+QString CardSideView::getFormattedAnswerField(const Field* field, int index) const
+{
+    if(!field)
+        return QString();
+    if(index >= m_answers.size())
+        return QString();
+    if(m_answers[index].isEmpty())
+        return QString();
+    return formattedField(m_answers[index], field->style() );
+}
+
+QString CardSideView::formattedField( const QString aField, const QString aStyle ) const
+    {
+    Q_ASSERT( cardPack );
+    QString text = static_cast<IDictionary*>(cardPack->dictionary())->
+        extendImagePaths( aField );
+    
+    FieldStyle fieldStyle =  FieldStyleFactory::inst()->getStyle( aStyle );
+    QString beginning("<span style=\"");
+    beginning += QString("font-family:'%1'").arg( fieldStyle.font.family() );
+    beginning += QString("; font-size:%1pt").arg( fieldStyle.font.pointSize() );
+    beginning += getHighlighting(fieldStyle);
+    beginning += "\">" + fieldStyle.prefix;
+    QString ending( fieldStyle.suffix + "</span>");
+
+    // Highlight keywords inside plain text. Ignore tags.
+    if(m_showMode == AnsMode && fieldStyle.hasKeyword)
+        {
+        QString highlightedText;
+        int curPos = 0;
+        while( curPos < text.length() )
+            {
+            QString curText;
+            int beginTagPos = text.indexOf( "<", curPos );
+            if( beginTagPos > -1 )
+                curText = text.mid( curPos, beginTagPos - curPos ); // copy plain text
+            else
+                curText = text.mid( curPos, -1 ); // copy until end of string
+            curText = highlightKeyword(curText, fieldStyle);
+            highlightedText += curText;
+            if( beginTagPos == -1 )
+                break;
+            int endTagPos = text.indexOf( ">", beginTagPos );
+            if( endTagPos > -1 )
+                highlightedText += text.mid( beginTagPos, endTagPos - beginTagPos + 1 );    // copy tag
+            else
+                {
+                highlightedText += text.mid( curPos, -1 );  // copy until end of string
+                break;
+                }
+            curPos = endTagPos + 1;
+            }
+        text = highlightedText;
+        }
+
+    return beginning + text + ending;
+    }
+
+QString CardSideView::highlightKeyword( const QString aText, const FieldStyle& fieldStyle ) const
+    {
+    QString resText = aText;
+    if( !m_question.isEmpty() )
+        resText.replace(QRegExp( "\\b(\\w*" + QRegExp::escape( m_question ) + "\\w*)\\b",
+            Qt::CaseInsensitive ), "[\\1]");
+    QString spanBegin("<span style=\"");
+    spanBegin += getHighlighting(fieldStyle.getKeywordStyle()) + "\">";
+    resText.replace('[', spanBegin);
+    resText.replace( ']', "</span>" );
+    return resText;
+    }
+
+QString CardSideView::getHighlighting(const FieldStyle& fieldStyle) const
+{
+    QString res;
+    if(fieldStyle.color != Qt::black)
+        res += QString("; color:%1").arg(fieldStyle.color.name());
+    if(fieldStyle.font.bold())
+        res += "; font-weight:bold";
+    if(fieldStyle.font.italic())
+        res += "; font-style:italic";
+    return res;
+}
+
+QSize CardSideView::sizeHint() const
+{
+    return QSize(300, 200);
+}
+
+void CardSideView::updateNewIconPos()
+{
+    newIcon->move(rect().topRight() - QPoint(newIcon->width(), 0));
+}
+
+void CardSideView::showNewIcon(bool visible)
+{
+    newIcon->setVisible(visible);
+    updateNewIconPos();
+}
+
+void CardSideView::resizeEvent(QResizeEvent* /*event*/)
+{
+    updateNewIconPos();
+}