136 lines
3.7 KiB
C++
136 lines
3.7 KiB
C++
#include "CompletionProxyModel.h"
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#include <QRegularExpression>
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#include "CompletionModelRoles.h"
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#include "Logging.h"
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#include "Utils.h"
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CompletionProxyModel::CompletionProxyModel(QAbstractItemModel *model, QObject *parent)
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: QAbstractProxyModel(parent)
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{
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setSourceModel(model);
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QRegularExpression splitPoints("\\s+|-");
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for (int i = 0; i < sourceModel()->rowCount(); i++) {
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if (i < 7)
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mapping.push_back(i);
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auto string1 = sourceModel()
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->data(sourceModel()->index(i, 0), CompletionModel::SearchRole)
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.toString()
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.toLower();
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trie_.insert(string1.toUcs4(), i);
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for (const auto &e : string1.split(splitPoints)) {
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if (!e.isEmpty()) // NOTE(Nico): Use Qt::SkipEmptyParts in Qt 5.14
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trie_.insert(e.toUcs4(), i);
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}
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auto string2 = sourceModel()
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->data(sourceModel()->index(i, 0), CompletionModel::SearchRole2)
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.toString()
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.toLower();
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if (!string2.isEmpty()) {
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trie_.insert(string2.toUcs4(), i);
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for (const auto &e : string2.split(splitPoints)) {
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if (!e.isEmpty()) // NOTE(Nico): Use Qt::SkipEmptyParts in Qt 5.14
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trie_.insert(e.toUcs4(), i);
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}
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}
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}
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connect(
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this,
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&CompletionProxyModel::newSearchString,
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this,
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[this](QString s) {
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s.remove(":");
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s.remove("@");
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searchString = s.toLower();
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invalidate();
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},
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Qt::QueuedConnection);
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}
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void
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CompletionProxyModel::invalidate()
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{
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auto key = searchString.toUcs4();
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beginResetModel();
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mapping = trie_.search(key, 7);
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endResetModel();
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std::string temp;
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for (auto v : mapping) {
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temp += std::to_string(v) + ", ";
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}
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nhlog::ui()->debug("mapping: {}", temp);
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}
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QHash<int, QByteArray>
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CompletionProxyModel::roleNames() const
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{
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return this->sourceModel()->roleNames();
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}
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int
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CompletionProxyModel::rowCount(const QModelIndex &) const
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{
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return (int)mapping.size();
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}
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QModelIndex
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CompletionProxyModel::mapFromSource(const QModelIndex &sourceIndex) const
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{
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for (int i = 0; i < (int)mapping.size(); i++) {
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if (mapping[i] == sourceIndex.row()) {
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return index(i, 0);
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}
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}
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return QModelIndex();
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}
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QModelIndex
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CompletionProxyModel::mapToSource(const QModelIndex &proxyIndex) const
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{
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auto row = proxyIndex.row();
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if (row < 0 || row >= (int)mapping.size())
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return QModelIndex();
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return sourceModel()->index(mapping[row], 0);
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}
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QModelIndex
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CompletionProxyModel::index(int row, int column, const QModelIndex &) const
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{
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return createIndex(row, column);
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}
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QModelIndex
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CompletionProxyModel::parent(const QModelIndex &) const
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{
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return QModelIndex{};
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}
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int
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CompletionProxyModel::columnCount(const QModelIndex &) const
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{
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return sourceModel()->columnCount();
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}
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QVariant
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CompletionProxyModel::completionAt(int i) const
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{
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if (i >= 0 && i < rowCount())
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return data(index(i, 0), CompletionModel::CompletionRole);
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else
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return {};
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}
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void
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CompletionProxyModel::setSearchString(QString s)
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{
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emit newSearchString(s);
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}
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