| 1 | // Copyright (C) 2022 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #include "arrowsmodel.h" |
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| 5 | |
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| 6 | ArrowsModel::ArrowsModel(QObject *parent) |
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| 7 | : QAbstractListModel(parent) |
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| 8 | { |
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| 9 | connect(sender: this, signal: &QAbstractListModel::rowsInserted, context: this, slot: &ArrowsModel::rowCountChanged); |
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| 10 | connect(sender: this, signal: &QAbstractListModel::rowsRemoved, context: this, slot: &ArrowsModel::rowCountChanged); |
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| 11 | connect(sender: this, signal: &QAbstractListModel::modelReset, context: this, slot: &ArrowsModel::rowCountChanged); |
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| 12 | } |
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| 13 | |
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| 14 | int ArrowsModel::rowCount(const QModelIndex &) const |
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| 15 | { |
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| 16 | return m_arrowsList.size(); |
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| 17 | } |
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| 18 | |
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| 19 | QHash<int, QByteArray> ArrowsModel::roleNames() const |
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| 20 | { |
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| 21 | QHash<int, QByteArray> roles; |
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| 22 | roles[StartX] = "startX" ; |
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| 23 | roles[StartY] = "startY" ; |
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| 24 | roles[EndX] = "endX" ; |
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| 25 | roles[EndY] = "endY" ; |
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| 26 | roles[StartNodeId] = "startNodeId" ; |
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| 27 | roles[EndNodeId] = "endNodeId" ; |
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| 28 | return roles; |
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| 29 | } |
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| 30 | |
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| 31 | QVariant ArrowsModel::data(const QModelIndex &index, int role) const |
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| 32 | { |
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| 33 | if (!index.isValid()) |
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| 34 | return QVariant(); |
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| 35 | |
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| 36 | if (index.row() >= m_arrowsList.size()) |
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| 37 | return false; |
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| 38 | |
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| 39 | const auto &node = (m_arrowsList)[index.row()]; |
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| 40 | |
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| 41 | if (role == StartX) |
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| 42 | return QVariant::fromValue(value: node.startX); |
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| 43 | else if (role == StartY) |
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| 44 | return QVariant::fromValue(value: node.startY); |
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| 45 | else if (role == EndX) |
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| 46 | return QVariant::fromValue(value: node.endX); |
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| 47 | else if (role == EndY) |
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| 48 | return QVariant::fromValue(value: node.endY); |
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| 49 | else if (role == StartNodeId) |
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| 50 | return QVariant::fromValue(value: node.startNodeId); |
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| 51 | else if (role == EndNodeId) |
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| 52 | return QVariant::fromValue(value: node.endNodeId); |
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| 53 | |
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| 54 | return QVariant(); |
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| 55 | } |
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| 56 | |
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