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
/* ============================================================
 *
 * This file is a part of digiKam project
 * https://www.digikam.org
 *
 * Date        : 2023-05-15
 * Description : geolocation engine based on Marble.
 *               (c) 2007-2022 Marble Team
 *               https://invent.kde.org/education/marble/-/raw/master/data/credits_authors.html
 *
 * SPDX-FileCopyrightText: 2023-2026 by Gilles Caulier <caulier dot gilles at gmail dot com>
 *
 * SPDX-License-Identifier: LGPL-2.1-or-later
 *
 * ============================================================ */

#include "AbstractDataPlugin.h"

// Qt includes

#include <QTimer>
#include <QRegion>

// Local includes

#include "AbstractDataPluginModel.h"
#include "AbstractDataPluginItem.h"
#include "GeoPainter.h"
#include "GeoSceneLayer.h"
#include "MarbleModel.h"
#include "ViewportParams.h"
#include "digikam_debug.h"

namespace Marble
{

class Q_DECL_HIDDEN AbstractDataPluginPrivate
{
public:

    AbstractDataPluginPrivate()
    {
        m_updateTimer.setSingleShot(true);
    }

    ~AbstractDataPluginPrivate()
    {
        delete m_model;
    }

public:

    AbstractDataPluginModel* m_model         = nullptr;
    quint32                  m_numberOfItems = 10;
    QTimer                   m_updateTimer;

private:

    AbstractDataPluginPrivate(const AbstractDataPluginPrivate&)            = delete;
    AbstractDataPluginPrivate& operator=(const AbstractDataPluginPrivate&) = delete;
};

AbstractDataPlugin::AbstractDataPlugin(const MarbleModel* marbleModel)
    : RenderPlugin(marbleModel),
      d           (new AbstractDataPluginPrivate)
{
    connect(&d->m_updateTimer, SIGNAL(timeout()),
            this, SIGNAL(repaintNeeded()));
}

AbstractDataPlugin::~AbstractDataPlugin()
{
    delete d;
}

bool AbstractDataPlugin::isInitialized() const
{
    return (model() != nullptr);
}

QStringList AbstractDataPlugin::backendTypes() const
{
    return QStringList(name());
}

QString AbstractDataPlugin::renderPolicy() const
{
    return QString::fromUtf8("ALWAYS");
}

QStringList AbstractDataPlugin::renderPosition() const
{
    return QStringList(QString::fromUtf8("ALWAYS_ON_TOP"));
}

bool AbstractDataPlugin::render(GeoPainter* painter, ViewportParams* viewport,
                                const QString& renderPos, GeoSceneLayer* layer)
{
    Q_UNUSED(renderPos);
    Q_UNUSED(layer);

    QList<AbstractDataPluginItem*> items = d->m_model->items(viewport, numberOfItems());
    painter->save();

    // Paint the most important item at last

    for (int i = items.size() - 1 ; i >= 0 ; --i)
    {
        items.at(i)->paintEvent(painter, viewport);
    }

    painter->restore();

    return true;
}

AbstractDataPluginModel* AbstractDataPlugin::model()
{
    return d->m_model;
}

const AbstractDataPluginModel* AbstractDataPlugin::model() const
{
    return d->m_model;
}

void AbstractDataPlugin::setModel(AbstractDataPluginModel* model)<--- Shadow argument
{
    if (d->m_model)
    {
        disconnect(d->m_model, SIGNAL(itemsUpdated()),
                   this, SLOT(delayedUpdate()));

        delete d->m_model;
    }

    d->m_model = model;

    connect(d->m_model, SIGNAL(itemsUpdated()),
            this, SLOT(delayedUpdate()));

    connect(d->m_model, SIGNAL(favoriteItemsChanged(QStringList)),
            this, SLOT(favoriteItemsChanged(QStringList)));

    connect(d->m_model, SIGNAL(favoriteItemsOnlyChanged()),
            this, SIGNAL(favoriteItemsOnlyChanged()));

    Q_EMIT favoritesModelChanged();
}

quint32 AbstractDataPlugin::numberOfItems() const
{
    return d->m_numberOfItems;
}

void AbstractDataPlugin::setNumberOfItems(quint32 number)
{
    bool changed       = (number != d->m_numberOfItems);
    d->m_numberOfItems = number;

    if (changed)
    {
        Q_EMIT changedNumberOfItems(number);
    }
}

QList<AbstractDataPluginItem*> AbstractDataPlugin::whichItemAt(const QPoint& curpos)
{
    if (d->m_model && enabled() && visible())
    {
        return d->m_model->whichItemAt(curpos);
    }
    else
    {
        return QList<AbstractDataPluginItem*>();
    }
}

RenderPlugin::RenderType AbstractDataPlugin::renderType() const
{
    return OnlineRenderType;
}

void AbstractDataPlugin::setFavoriteItemsOnly(bool favoriteOnly)
{
    if (d->m_model && (d->m_model->isFavoriteItemsOnly() != favoriteOnly))
    {
        d->m_model->setFavoriteItemsOnly(favoriteOnly);
    }
}

bool AbstractDataPlugin::isFavoriteItemsOnly() const
{
    return (d->m_model && d->m_model->isFavoriteItemsOnly());
}

QObject* AbstractDataPlugin::favoritesModel()
{
    return (d->m_model ? d->m_model->favoritesModel() : nullptr);
}

void AbstractDataPlugin::favoriteItemsChanged(const QStringList& favoriteItems)
{
    Q_UNUSED(favoriteItems)
}

void AbstractDataPlugin::delayedUpdate()
{
    if (!d->m_updateTimer.isActive())
    {
        d->m_updateTimer.start(500);
    }
}

} // namespace Marble

#include "moc_AbstractDataPlugin.cpp"