aboutsummaryrefslogtreecommitdiffstats
path: root/gui/treemodel.cc
blob: 448c979417b373559eaff7a813b69d8f319528b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
/*
 *  nextpnr -- Next Generation Place and Route
 *
 *  Copyright (C) 2018  Miodrag Milanovic <miodrag@symbioticeda.com>
 *  Copyright (C) 2018  Serge Bazanski <q3k@symbioticeda.com>
 *
 *  Permission to use, copy, modify, and/or distribute this software for any
 *  purpose with or without fee is hereby granted, provided that the above
 *  copyright notice and this permission notice appear in all copies.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 *
 */

#include "treemodel.h"
#include "log.h"

NEXTPNR_NAMESPACE_BEGIN

namespace TreeModel {

// converts 'aa123bb432' -> ['aa', '123', 'bb', '432']
std::vector<QString> IdStringList::alphaNumSplit(const QString &str)
{
    std::vector<QString> res;
    QString current_part;

    bool number = true;
    for (const auto c : str) {
        if (current_part.size() == 0 && res.size() == 0) {
            current_part.push_back(c);
            number = c.isNumber();
            continue;
        }

        if (number != c.isNumber()) {
            number = c.isNumber();
            res.push_back(current_part);
            current_part.clear();
        }

        current_part.push_back(c);
    }

    res.push_back(current_part);

    return res;
}

void IdStringList::updateElements(Context *ctx, std::vector<IdString> elements)
{
    bool changed = false;

    // For any elements that are not yet in managed_, created them.
    std::unordered_set<IdString> element_set;
    for (auto elem : elements) {
        element_set.insert(elem);
        auto existing = managed_.find(elem);
        if (existing == managed_.end()) {
            auto item = new IdStringItem(ctx, elem, this, child_type_);
            managed_.emplace(elem, std::unique_ptr<IdStringItem>(item));
            changed = true;
        }
    }

    // For any elements that are in managed_ but not in new, delete them.
    auto it = managed_.begin();
    while (it != managed_.end()) {
        if (element_set.count(it->first) != 0) {
            ++it;
        } else {
            it = managed_.erase(it);
            changed = true;
        }
    }

    // Return early if there are no changes.
    if (!changed)
        return;

    // Rebuild children list.
    children_.clear();
    for (auto &pair : managed_) {
        if (element_set.count(pair.first) != 0) {
            children_.push_back(pair.second.get());
        }
    }

    // Sort new children
    std::sort(children_.begin(), children_.end(), [&](const Item *a, const Item *b) {
        auto parts_a = alphaNumSplit(a->name());
        auto parts_b = alphaNumSplit(b->name());

        for (size_t i = 0; i < parts_a.size() && i < parts_b.size(); i++) {
            auto &part_a = parts_a.at(i);
            auto &part_b = parts_b.at(i);

            bool a_is_number, b_is_number;
            int a_number = part_a.toInt(&a_is_number);
            int b_number = part_b.toInt(&b_is_number);

            // If both parts are numbers, compare numerically.
            // If they're equal, continue to next part.
            if (a_is_number && b_is_number) {
                if (a_number != b_number) {
                    return a_number < b_number;
                } else {
                    continue;
                }
            }

            // For different alpha/nonalpha types, make numeric parts appear
            // first.
            if (a_is_number != b_is_number) {
                return a_is_number;
            }

            // If both parts are numbers, compare lexically.
            // If they're equal, continue to next part.
            if (part_a == part_b) {
                continue;
            }
            return part_a < part_b;
        }

        // One string is equal to or a subset of the other, compare length.
        return parts_a.size() < parts_b.size();
    });
}

void IdStringList::search(QList<Item *> &results, QString text, int limit)
{
    for (const auto &child : children_) {
        if (limit != -1 && results.size() > limit)
            return;

        if (child->name().contains(text))
            results.push_back(child);
    }
}

Model::Model(QObject *parent) : QAbstractItemModel(parent), root_(new Item("Elements", nullptr)) {}

Model::~Model() {}

void Model::loadData(Context *ctx, std::unique_ptr<Item> data)
{
    beginResetModel();
    ctx_ = ctx;
    root_ = std::move(data);
    endResetModel();
}

void Model::updateElements(std::vector<IdString> elements)
{
    if (!ctx_)
        return;

    beginResetModel();
    root_->updateElements(ctx_, elements);
    endResetModel();
}

int Model::rowCount(const QModelIndex &parent) const { return nodeFromIndex(parent)->count(); }

int Model::columnCount(const QModelIndex &parent) const { return 1; }

QModelIndex Model::index(int row, int column, const QModelIndex &parent) const
{
    Item *node = nodeFromIndex(parent);
    if (row >= node->count())
        return QModelIndex();

    return createIndex(row, column, node->child(row));
}

QModelIndex Model::parent(const QModelIndex &child) const
{
    Item *parent = nodeFromIndex(child)->parent();
    if (parent == root_.get())
        return QModelIndex();
    Item *node = parent->parent();
    return createIndex(node->indexOf(parent), 0, parent);
}

QVariant Model::data(const QModelIndex &index, int role) const
{
    if (index.column() != 0)
        return QVariant();
    if (role != Qt::DisplayRole)
        return QVariant();
    Item *node = nodeFromIndex(index);
    return node->name();
}

QVariant Model::headerData(int section, Qt::Orientation orientation, int role) const
{
    Q_UNUSED(section);
    if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
        return QString("Items");

    return QVariant();
}

Item *Model::nodeFromIndex(const QModelIndex &idx) const
{
    if (idx.isValid())
        return (Item *)idx.internalPointer();
    return root_.get();
}

Qt::ItemFlags Model::flags(const QModelIndex &index) const
{
    Item *node = nodeFromIndex(index);
    return Qt::ItemIsEnabled | (node->type() != ElementType::NONE ? Qt::ItemIsSelectable : Qt::NoItemFlags);
}

void Model::fetchMore(const QModelIndex &parent)
{
    if (ctx_ == nullptr)
        return;

    std::lock_guard<std::mutex> lock_ui(ctx_->ui_mutex);
    std::lock_guard<std::mutex> lock(ctx_->mutex);

    nodeFromIndex(parent)->fetchMore();
}

bool Model::canFetchMore(const QModelIndex &parent) const { return nodeFromIndex(parent)->canFetchMore(); }

QList<QModelIndex> Model::search(QString text)
{
    const int limit = 500;
    QList<Item *> list;
    root_->search(list, text, limit);

    QList<QModelIndex> res;
    for (auto i : list) {
        res.push_back(indexFromNode(i));
    }
    return res;
}

}; // namespace TreeModel

NEXTPNR_NAMESPACE_END