tagseditdelegate.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#include "tagseditdelegate.h"
#include <QApplication>
#include <interfaces/core/itagsmanager.h>
#include "tagscompleter.h"
#include "tagslineedit.h"
 
namespace LC::Util
{
    TagsEditDelegate::TagsEditDelegate (ITagsManager& itm, QObject *parent)
    : QStyledItemDelegate { parent }
    , ITM_ { itm }
    {
    }
 
    QWidget* TagsEditDelegate::createEditor (QWidget *parent, const QStyleOptionViewItem&, const QModelIndex& index) const
    {
        const auto edit = new TagsLineEdit { parent };
        new TagsCompleter { edit };
        edit->AddSelector ();
        edit->setFrame (false);
        setEditorData (edit, index);
        return edit;
    }
 
    void TagsEditDelegate::paint (QPainter *painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
    {
        auto opt = option;
        initStyleOption (&opt, index);
        opt.text = ITM_.Join (index.data ().toStringList ());
 
        const auto style = opt.widget ? opt.widget->style () : QApplication::style ();
        style->drawControl (QStyle::CE_ItemViewItem, &opt, painter);
    }
 
    void TagsEditDelegate::setEditorData (QWidget *editor, const QModelIndex& index) const
    {
        const auto& tags = index.data (Qt::EditRole).toStringList ();
        dynamic_cast<TagsLineEdit*> (editor)->setText (ITM_.Join (tags));
    }
 
    void TagsEditDelegate::setModelData (QWidget *editor, QAbstractItemModel *model, const QModelIndex& index) const
    {
        const auto& tags = ITM_.Split (dynamic_cast<TagsLineEdit*> (editor)->text ());
        model->setData (index, tags, Qt::EditRole);
    }
}