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#include "searchresulttreeview.h"
#include "searchresulttreeitemroles.h"
#include "searchresulttreemodel.h"
#include "searchresulttreeitemdelegate.h"

#include <QHeaderView>
#include <QKeyEvent>

namespace Core {
namespace Internal {

SearchResultTreeView::SearchResultTreeView(QWidget *parent)
    : Utils::TreeView(parent)
    , m_model(new SearchResultTreeModel(this))
    , m_autoExpandResults(false)
{
    setModel(m_model);
    setItemDelegate(new SearchResultTreeItemDelegate(8, this));
    setIndentation(14);
    setUniformRowHeights(true);
    setExpandsOnDoubleClick(true);
    header()->hide();

    connect(this, SIGNAL(activated(QModelIndex)), this, SLOT(emitJumpToSearchResult(QModelIndex)));
}

void SearchResultTreeView::setAutoExpandResults(bool expand)
{
    m_autoExpandResults = expand;
}

void SearchResultTreeView::setTextEditorFont(const QFont &font, const SearchResultColor &color)
{
    m_model->setTextEditorFont(font, color);

    QPalette p;
    p.setColor(QPalette::Base, color.textBackground);
    setPalette(p);
}

void SearchResultTreeView::clear()
{
    m_model->clear();
}

void SearchResultTreeView::addResults(const QList<SearchResultItem> &items, SearchResult::AddMode mode)
{
    QList<QModelIndex> addedParents = m_model->addResults(items, mode);
    if (m_autoExpandResults && !addedParents.isEmpty()) {
        foreach (const QModelIndex &index, addedParents)
            setExpanded(index, true);
    }
}

void SearchResultTreeView::emitJumpToSearchResult(const QModelIndex &index)
{
    if (model()->data(index, ItemDataRoles::IsGeneratedRole).toBool())
        return;
    SearchResultItem item = model()->data(index, ItemDataRoles::ResultItemRole).value<SearchResultItem>();

    emit jumpToSearchResult(item);
}

void SearchResultTreeView::setTabWidth(int tabWidth)
{
    SearchResultTreeItemDelegate *delegate = static_cast<SearchResultTreeItemDelegate *>(itemDelegate());
    delegate->setTabWidth(tabWidth);
    doItemsLayout();
}

SearchResultTreeModel *SearchResultTreeView::model() const
{
    return m_model;
}

} // namespace Internal
} // namespace Core
