148 lines
4.1 KiB
C++
148 lines
4.1 KiB
C++
#include "tagproptablemodel.h"
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TagPropTableModel::TagPropTableModel(SQLiteSaveFile &backend, const Tag tag)
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: TagPropTableModel(backend, true)
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{
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tag_cached = tag;
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tag_keys = tag_cached.metadata.keys();
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tag_keys.sort();
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qDebug() << "connecting TagPropTableModel" << &backend;
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}
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TagPropTableModel::TagPropTableModel(SQLiteSaveFile &backend, bool tagIsValid)
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: backend(backend)
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, tagIsValid(tagIsValid)
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{
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connect(&backend, &SQLiteSaveFile::tagChange, this, &TagPropTableModel::tagChange);
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connect(&backend, &SQLiteSaveFile::fileReload, [=]() {
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beginResetModel();
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this->tagIsValid = false;
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endResetModel();
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});
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}
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int TagPropTableModel::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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if (!tagIsValid)
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return 0;
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return 3 + tag_cached.metadata.size();
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}
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int TagPropTableModel::columnCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent);
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return 2;
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}
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QVariant TagPropTableModel::data(const QModelIndex &index, int role) const
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{
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if (!index.isValid())
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return QVariant();
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if (role != Qt::DisplayRole && role != Qt::EditRole)
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return QVariant();
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bool label = index.column() == 0;
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switch (index.row()) {
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case 0: return label ? QVariant("Database ID") : tag_cached.id; break;
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case 1: return label ? QVariant("Label") : tag_cached.name; break;
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case 2: return label ? QVariant("Anchor") : QString("%1, %2").arg(tag_cached.anchor.x()).arg(tag_cached.anchor.y()); break;
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}
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int idx = index.row() - 3;
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return label ? tag_keys[idx] : tag_cached.metadata[tag_keys[idx]];
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}
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QVariant TagPropTableModel::headerData(int section, Qt::Orientation orientation, int role) const
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{
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if (orientation != Qt::Horizontal)
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return QVariant();
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if (role != Qt::DisplayRole)
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return QVariant();
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if (section == 0)
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return "Property";
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else
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return "Value";
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}
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Qt::ItemFlags TagPropTableModel::flags(const QModelIndex &index) const
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{
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if (index.row() == 0)
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return Qt::NoItemFlags;
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if (index.column() == 0) {
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if (index.row() < 3)
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return Qt::ItemIsEnabled;
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return Qt::ItemIsEnabled | Qt::ItemIsEditable;
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}
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if (index.row() == 1)
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return Qt::ItemIsEnabled | Qt::ItemIsEditable;
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if (index.row() == 2) /* anchor */
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return Qt::ItemIsEnabled;
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return Qt::ItemIsEditable | Qt::ItemIsSelectable | Qt::ItemIsEnabled;
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}
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bool TagPropTableModel::setData(const QModelIndex &index, const QVariant &value, int role)
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{
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if (!index.isValid())
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return false;
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if (role != Qt::EditRole)
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return false;
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if (index.row() == 1) {
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tag_cached.name = value.toString();
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} else if (index.row() < 3) {
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return false;
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} else {
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int idx = index.row() - 3;
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if (index.column() == 0) { /* key changed */
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/* move value to new key and delete old key */
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tag_cached.metadata[value.toString()] = tag_cached.metadata[tag_keys[idx]];
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tag_cached.metadata.remove(tag_keys[idx]);
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} else {
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tag_cached.metadata[tag_keys[idx]] = value.toString();
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}
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}
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backend.updateTag(tag_cached);
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return true;
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}
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void TagPropTableModel::tagChange(TagChange change, const Tag &tag)
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{
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auto dbg = qDebug() << QString("TagPropTableModel::tagChange(%1, %2 \"%3\")").arg(change).arg(tag.id).arg(tag.name);
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if (tag.id != tag_cached.id)
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return;
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assert(change != TagChange::CREATED);
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if (change == TagChange::CHANGED) {
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dbg << "changed";
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showTag(tag);
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} else if (change == TagChange::DELETED) {
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dbg << "deleted";
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beginResetModel();
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tagIsValid = false;
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endResetModel();
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}
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}
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void TagPropTableModel::showTag(const Tag &tag)
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{
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beginResetModel();
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tag_cached = tag;
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tag_keys = tag_cached.metadata.keys();
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tag_keys.sort();
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tagIsValid = true;
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endResetModel();
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}
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