forked from osmocom/wireshark
90 lines
1.8 KiB
C++
90 lines
1.8 KiB
C++
/** @file
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*
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* Utility template classes for basic tree model functionality
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef TREE_MODEL_HELPERS_H
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#define TREE_MODEL_HELPERS_H
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#include <config.h>
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#include <ui/qt/utils/variant_pointer.h>
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#include <QAbstractItemModel>
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//Base class to inherit basic tree item from
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template <typename Item>
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class ModelHelperTreeItem
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{
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public:
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ModelHelperTreeItem(Item* parent)
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: parent_(parent)
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{
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}
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virtual ~ModelHelperTreeItem()
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{
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for (int row = 0; row < childItems_.count(); row++)
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{
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delete VariantPointer<Item>::asPtr(childItems_.value(row));
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}
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childItems_.clear();
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}
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void appendChild(Item* child)
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{
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childItems_.append(VariantPointer<Item>::asQVariant(child));
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}
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void prependChild(Item* child)
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{
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childItems_.prepend(VariantPointer<Item>::asQVariant(child));
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}
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void insertChild(int row, Item* child)
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{
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childItems_.insert(row, VariantPointer<Item>::asQVariant(child));
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}
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void removeChild(int row)
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{
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delete VariantPointer<Item>::asPtr(childItems_.value(row));
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childItems_.removeAt(row);
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}
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Item* child(int row)
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{
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return VariantPointer<Item>::asPtr(childItems_.value(row));
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}
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int childCount() const
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{
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return static_cast<int>(childItems_.count());
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}
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int row()
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{
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if (parent_)
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{
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return static_cast<int>(parent_->childItems_.indexOf(VariantPointer<Item>::asQVariant((Item *)this)));
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}
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return 0;
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}
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Item* parentItem() {return parent_; }
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protected:
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Item* parent_;
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QList<QVariant> childItems_;
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};
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#endif // TREE_MODEL_HELPERS_H
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