Initial mirror commitHEADmaster

1 files changed, 293 insertions, 0 deletions

diff --git a/src/study/IStudyWindow.cpp b/src/study/IStudyWindow.cpp
new file mode 100644
index 0000000..f918936
--- /dev/null
+++ b/src/study/IStudyWindow.cpp
@@ -0,0 +1,293 @@
+#include "IStudyWindow.h"
+
+#include <QCloseEvent>
+#include <QMessageBox>
+
+#include "IStudyModel.h"
+#include "CardSideView.h"
+#include "CardEditDialog.h"
+#include "../dictionary/Dictionary.h"
+#include "../dictionary/CardPack.h"
+#include "../main-view/MainWindow.h"
+
+const int IStudyWindow::AnsButtonPage = 0;
+const int IStudyWindow::AnsLabelPage = 1;
+const int IStudyWindow::CardPage = 0;
+const int IStudyWindow::MessagePage = 1;
+
+IStudyWindow::IStudyWindow(IStudyModel* aModel , QString aStudyName, QWidget *aParent):
+    m_model( aModel ), curCard( NULL ), state(StateAnswerHidden), m_studyName( aStudyName ),
+    m_parentWidget( aParent ), m_cardEditDialog( NULL )
+{
+    setMinimumWidth(MinWidth);
+    setMaximumWidth(MaxWidth);
+    setAttribute( Qt::WA_DeleteOnClose );
+    connect( m_model, SIGNAL(nextCardSelected()), SLOT(showNextCard()) );
+    connect( m_model, SIGNAL(curCardUpdated()), SLOT(updateCurCard()) );
+}
+
+IStudyWindow::~IStudyWindow()
+{
+    delete m_model;
+}
+
+void IStudyWindow::OnDictionaryRemoved()
+{
+    close();
+}
+
+void IStudyWindow::createUI()
+{
+    centralStackedLt = new QStackedLayout;
+    centralStackedLt->addWidget(createWrapper(createCardView()));
+    centralStackedLt->addWidget(createWrapper(createMessageLayout()));
+    centralStackedLt->setCurrentIndex(CardPage);
+    connect(centralStackedLt, SIGNAL(currentChanged(int)), SLOT(updateToolBarVisibility(int)));
+
+    QVBoxLayout* mainLayout = new QVBoxLayout;
+    mainLayout->addLayout(createUpperPanel());
+    mainLayout->addLayout(centralStackedLt);
+    mainLayout->addLayout(createLowerPanel());
+    setLayout(mainLayout);
+
+    ReadSettings();
+}
+
+QWidget* IStudyWindow::createWrapper(QBoxLayout* layout)
+{
+    QWidget* widget = new QWidget;
+    widget->setLayout(layout);
+    return widget;
+}
+
+QVBoxLayout* IStudyWindow::createMessageLayout()
+{
+    messageLabel = createMessageLabel();
+
+    QVBoxLayout* lt = new QVBoxLayout;
+    lt->setContentsMargins(QMargins());
+    lt->addStretch();
+    lt->addWidget(messageLabel);
+    lt->addStretch();
+    lt->addWidget(createClosePackButton(), 0, Qt::AlignHCenter);
+    lt->addStretch();
+    return lt;
+}
+
+QLabel* IStudyWindow::createMessageLabel()
+{
+    QLabel* label = new QLabel;
+    label->setAutoFillBackground(true);
+    label->setPalette(QPalette("#fafafa"));
+    label->setWordWrap(true);
+    label->setFrameStyle(QFrame::StyledPanel);
+    label->setMinimumHeight(200);
+    return label;
+}
+
+QPushButton* IStudyWindow::createClosePackButton()
+{
+    QPushButton* button = new QPushButton(tr("Close this pack"));
+    button->setFixedSize(BigButtonWidth, BigButtonHeight);
+    connect(button, SIGNAL(clicked()), SLOT(close()));
+    return button;
+}
+
+QHBoxLayout* IStudyWindow::createUpperPanel()
+{
+    editCardBtn = createEditCardButton();
+    deleteCardBtn = createDeleteCardButton();
+
+    QHBoxLayout* upperPanelLt = new QHBoxLayout;
+    upperPanelLt->addWidget(new QLabel(m_model->getCardPack()->id()));
+    upperPanelLt->addWidget(deleteCardBtn);
+    upperPanelLt->addWidget(editCardBtn);
+
+    return upperPanelLt;
+}
+
+QToolButton* IStudyWindow::createEditCardButton()
+{
+    QToolButton* button = new QToolButton( this );
+    button->setIcon( QIcon(":/images/pencil.png") );
+    button->setIconSize( QSize(ToolBarIconSize, ToolBarIconSize) );
+    button->setShortcut( tr("E", "Shortcut for 'Edit card' button") );
+    button->setToolTip( tr("Edit card")+" ("+button->shortcut().toString()+")" );
+    button->setFixedSize( ToolBarButtonSize, ToolBarButtonSize );
+    connect( button, SIGNAL(clicked()), SLOT(openCardEditDialog()) );
+    return button;
+}
+
+QToolButton* IStudyWindow::createDeleteCardButton()
+{
+    QToolButton* button = new QToolButton( this );
+    button->setIcon( QIcon(":/images/red-cross.png") );
+    button->setIconSize( QSize(ToolBarIconSize, ToolBarIconSize) );
+    button->setShortcut( tr("D", "Shortcut for 'Delete card' button") );
+    button->setToolTip( tr("Delete card")+" ("+button->shortcut().toString()+")" );
+    button->setFixedSize( ToolBarButtonSize, ToolBarButtonSize );
+    connect( button, SIGNAL(clicked()), SLOT(deleteCard()) );
+    return button;
+}
+
+QVBoxLayout* IStudyWindow::createCardView()
+{
+    questionLabel = new CardSideView( CardSideView::QstMode );
+    questionLabel->setPack( m_model->getCardPack() );
+
+    answerStackedLt = new QStackedLayout;
+    answerStackedLt->addWidget(createWrapper(createAnswerButtonLayout()));
+    answerStackedLt->addWidget(createWrapper(createAnswerLayout()));
+    answerStackedLt->setCurrentIndex(AnsButtonPage);
+
+    QVBoxLayout* cardViewLt = new QVBoxLayout;
+    cardViewLt->addWidget(questionLabel, 1);
+    cardViewLt->addLayout(answerStackedLt, 1);
+
+    return cardViewLt;
+}
+
+QBoxLayout* IStudyWindow::createAnswerButtonLayout()
+{
+    answerBtn = createAnswerButton();
+
+    QBoxLayout* lt = new QVBoxLayout;
+    lt->addStretch();
+    if(getAnswerEdit())
+        lt->addWidget(getAnswerEdit(), 0, Qt::AlignCenter);
+    lt->addWidget(answerBtn, 0, Qt::AlignCenter);
+    lt->addStretch();
+    return lt;
+}
+
+QPushButton* IStudyWindow::createAnswerButton()
+{
+    QPushButton* button = new QPushButton(QIcon(":/images/info.png"), tr("Show answer"));
+    button->setFixedSize(BigButtonWidth, BigButtonHeight);
+    button->setShortcut(Qt::Key_Return);
+    button->setToolTip(tr("Show answer") + ShortcutToStr(button) );
+    connect(button, SIGNAL(clicked()), SLOT(showAnswer()));
+    return button;
+}
+
+QBoxLayout* IStudyWindow::createAnswerLayout()
+{
+    answerLabel = new CardSideView( CardSideView::AnsMode );
+    answerLabel->setPack( m_model->getCardPack() );
+
+    QBoxLayout* lt = new QVBoxLayout;
+    lt->setContentsMargins(QMargins());
+    if(getUserAnswerLabel())
+        lt->addWidget(getUserAnswerLabel(), 1);
+    lt->addWidget(answerLabel, 1);
+    return lt;
+}
+
+const DictTableView* IStudyWindow::cardEditView() const
+    {
+    if( m_cardEditDialog )
+        return m_cardEditDialog->cardEditView();
+    else
+        return NULL;
+    }
+
+void IStudyWindow::openCardEditDialog()
+    {
+    if( m_cardEditDialog )  // already open
+        return;
+    Card* curCard = m_model->getCurCard();
+    Q_ASSERT( curCard );
+    MainWindow* mainWindow = dynamic_cast<MainWindow*>( m_parentWidget );
+    if( !mainWindow )
+        return;
+    m_cardEditDialog = new CardEditDialog( curCard, mainWindow, this );
+    m_cardEditDialog->exec();    
+    delete m_cardEditDialog;
+    m_cardEditDialog = NULL;
+    Dictionary* dict = static_cast<Dictionary*>(m_model->getCardPack()->dictionary());
+    dict->save();
+    setWindowTitle(m_studyName + " - " + dict->shortName());
+    }
+
+void IStudyWindow::deleteCard()
+    {
+    QString question = m_model->getCurCard()->getQuestion();
+    QMessageBox::StandardButton pressedButton;
+    pressedButton = QMessageBox::question( this, tr("Delete card?"), tr("Delete card \"%1\"?").arg( question ),
+        QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes );
+    if( pressedButton == QMessageBox::Yes )
+        static_cast<Dictionary*>(m_model->getCardPack()->dictionary())->
+            removeRecord( question );
+    }
+
+void IStudyWindow::showNextCard()
+{
+    Q_ASSERT( m_model );
+    if( curCard )
+        disconnect( curCard, 0, this, 0 );
+    curCard = m_model->getCurCard();
+    if( curCard )
+        {
+        connect( curCard, SIGNAL(answersChanged()), SLOT(updateCurCard()) );
+        connect( curCard, SIGNAL(destroyed()), SLOT(invalidateCurCard()) );
+        }
+    setWindowTitle( m_studyName + " - " +
+        static_cast<Dictionary*>(m_model->getCardPack()->dictionary())->shortName() );
+    setStateForNextCard();
+    processState();
+}
+
+void IStudyWindow::setStateForNextCard()
+    {
+    if( curCard )
+        state = StateAnswerHidden;
+    else
+        state = StateNoCards;
+    }
+
+void IStudyWindow::showAnswer()
+    {
+    answerStackedLt->setCurrentIndex( AnsLabelPage );
+    if( state == StateAnswerHidden )
+        state = StateAnswerVisible;
+    else
+        return;
+    processState();
+    }
+
+void IStudyWindow::updateCurCard()
+{
+    if( curCard )
+        disconnect( curCard, 0, this, 0 );
+    curCard = m_model->getCurCard();
+    if( curCard )
+        {
+        connect( curCard, SIGNAL(answersChanged()), SLOT(updateCurCard()) );
+        connect( curCard, SIGNAL(destroyed()), SLOT(invalidateCurCard()) );
+        }
+    setWindowTitle( m_studyName + " - " +
+        static_cast<Dictionary*>(m_model->getCardPack()->dictionary())->shortName() );
+    int origState = state;
+    if( state == StateAnswerHidden || state == StateAnswerVisible )
+        {
+        state = StateAnswerHidden;
+        processState();
+        }
+    if( origState == StateAnswerVisible )
+        {
+        state = StateAnswerVisible;
+        processState();
+        }
+}
+
+QString IStudyWindow::ShortcutToStr( QAbstractButton* aButton )
+{
+    return " (" + aButton->shortcut().toString( QKeySequence::NativeText ) + ")";
+}
+
+void IStudyWindow::updateToolBarVisibility(int index)
+{
+    bool visible = (index == CardPage);
+    deleteCardBtn->setVisible(visible);
+    editCardBtn->setVisible(visible);
+}