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#include "selectfolder.h"
#include "emailfolderview.h"
#include "folderdelegate.h"
#include "emailfoldermodel.h"
#include <qmailfolder.h>
#include <qmailmessageset.h>
#include <QLayout>
#include <QListWidget>
#include <QPushButton>

SelectFolderDialog::SelectFolderDialog(FolderModel *model, QWidget *parent)
    : QDialog( parent )
{
    setWindowTitle( tr( "Select folder" ) );

    FolderDelegate* del = new FolderDelegate(this);
    del->setShowStatus(false);

    EmailFolderView *emailView = new EmailFolderView(this);
    if (EmailFolderModel *emailModel = qobject_cast<EmailFolderModel*>(model)) {
        emailView->setModel(emailModel);
    } else {
        qWarning() << "model must must be a non-abstract subclass of FolderModel";
    }

    m_folderView = emailView;
    m_folderView->setItemDelegate(del);
    m_folderView->expandAll();

    connect(m_folderView, SIGNAL(selected(QMailMessageSet*)), this, SLOT(selected(QMailMessageSet*)));

    QGridLayout *top = new QGridLayout( this );
    top->addWidget(m_folderView);

    QHBoxLayout* buttonsLayout = new QHBoxLayout;

    buttonsLayout->addStretch();

    m_okButton = new QPushButton(QLatin1String("Ok"), this);
    buttonsLayout->addWidget(m_okButton);
    connect(m_okButton,SIGNAL(clicked(bool)),this,SLOT(accept()));

    QPushButton* cancelButton = new QPushButton(QLatin1String("Cancel"), this);
    buttonsLayout->addWidget(cancelButton);
    connect(cancelButton,SIGNAL(clicked(bool)),this,SLOT(reject()));

    top->addLayout(buttonsLayout,1,0);
}

void SelectFolderDialog::setInvalidSelections(const QList<QMailMessageSet*> &invalidSelections)
{
    m_invalidSelections = invalidSelections;
    m_okButton->setEnabled(!m_invalidSelections.contains(m_folderView->currentItem()));
}

void SelectFolderDialog::selected(QMailMessageSet *item)
{
    m_okButton->setEnabled(!m_invalidSelections.contains(item));
}

QMailMessageSet* SelectFolderDialog::selectedItem() const
{
    return m_folderView->currentItem();
}