File: vcsannotationmodel.cpp

package info (click to toggle)
kdevelop 4%3A5.6.2-4
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 57,892 kB
  • sloc: cpp: 278,773; javascript: 3,558; python: 3,385; sh: 1,317; ansic: 689; xml: 273; php: 95; makefile: 40; lisp: 13; sed: 12
file content (203 lines) | stat: -rw-r--r-- 7,699 bytes parent folder | download
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
/***************************************************************************
 *   This file is part of KDevelop                                         *
 *   Copyright 2007 Andreas Pakulat <apaku@gmx.de>                         *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU Library General Public License as       *
 *   published by the Free Software Foundation; either version 2 of the    *
 *   License, or (at your option) any later version.                       *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU Library General Public     *
 *   License along with this program; if not, write to the                 *
 *   Free Software Foundation, Inc.,                                       *
 *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
 ***************************************************************************/

#include "vcsannotationmodel.h"

#include "../vcsannotation.h"
#include "../vcsrevision.h"
#include "../vcsjob.h"

#include <QDateTime>
#include <QBrush>
#include <QPen>
#include <QHash>
#include <QLocale>
#include <QUrl>
#include <QApplication>

#include <KLocalizedString>

#include <interfaces/icore.h>
#include <interfaces/iruncontroller.h>

namespace KDevelop
{

class VcsAnnotationModelPrivate
{
public:
    explicit VcsAnnotationModelPrivate( VcsAnnotationModel* q_ ) : q(q_) {}
    KDevelop::VcsAnnotation m_annotation;
    mutable QHash<KDevelop::VcsRevision, QBrush> m_brushes;
    VcsAnnotationModel* q;
    VcsJob* job;
    QColor foreground;
    QColor background;

    const QBrush& brush(const VcsRevision& revision) const
    {
        auto brushIt = m_brushes.find(revision);
        if (brushIt == m_brushes.end()) {
            const int background_y = background.red()*0.299 + 0.587*background.green()
                                                            + 0.114*background.blue();
            // get random, but reproducable 8-bit values from last two bytes of the revision hash
            const uint revisionHash = qHash(revision);
            const int u = static_cast<int>((0xFF & revisionHash));
            const int v = static_cast<int>((0xFF00 & revisionHash) >> 8);
            const int r = qRound(qMin(255.0, qMax(0.0, background_y + 1.402*(v-128))));
            const int g = qRound(qMin(255.0, qMax(0.0, background_y - 0.344*(u-128) - 0.714*(v-128))));
            const int b = qRound(qMin(255.0, qMax(0.0, background_y + 1.772*(u-128))));
            brushIt = m_brushes.insert(revision, QBrush(QColor(r, g, b)));
        }
        return brushIt.value();
    }

    void addLines( KDevelop::VcsJob* job )
    {
        if( job == this->job )
        {
            const auto results = job->fetchResults().toList();
            for (const QVariant& v : results) {
                if( v.canConvert<KDevelop::VcsAnnotationLine>() )
                {
                    VcsAnnotationLine l = v.value<KDevelop::VcsAnnotationLine>();
                    m_annotation.insertLine( l.lineNumber(), l );
                    emit q->lineChanged( l.lineNumber() );
                }
            }
        }
    }
};

VcsAnnotationModel::VcsAnnotationModel(VcsJob *job, const QUrl& url, QObject* parent,
                                       const QColor &foreground, const QColor &background)
    : d_ptr(new VcsAnnotationModelPrivate(this))
{
    Q_D(VcsAnnotationModel);

    setParent( parent );
    d->m_annotation.setLocation( url );
    d->job = job;
    d->foreground = foreground;
    d->background = background;
    connect( d->job, &VcsJob::resultsReady,this, [this] (VcsJob* job) { Q_D(VcsAnnotationModel); d->addLines(job); } );
    ICore::self()->runController()->registerJob( d->job );
}

VcsAnnotationModel::~VcsAnnotationModel() = default;

static QString abbreviateLastName(const QString& author) {
    auto parts = author.split(QLatin1Char(' '));
    bool onlyOneFragment = parts.size() == 1 || ( parts.size() == 2 && parts.at(1).isEmpty() );
    return onlyOneFragment ? parts.first() : parts.first() + QStringLiteral(" %1.").arg(parts.last()[0]);
}

static QString annotationToolTip(const VcsAnnotationLine& aline)
{
    const bool textIsLeftToRight = (QApplication::layoutDirection() == Qt::LeftToRight);

    const QString boldStyle = QStringLiteral(";font-weight:bold");
    const QString one = QStringLiteral("1");
    const QString two = QStringLiteral("2");
    const QString line = QStringLiteral(
        "<tr>"
          "<td align=\"right\" style=\"white-space:nowrap%1\">%%2</td>"
          "<td align=\"left\" style=\"white-space:nowrap%3\">%%4</td>"
        "</tr>").arg(
            (textIsLeftToRight ? boldStyle : QString()),
            (textIsLeftToRight ? one : two),
            (textIsLeftToRight ? QString() : boldStyle),
            (textIsLeftToRight ? two : one)
        );

    const QString authorLabel = i18n("Author:").toHtmlEscaped();
    const QString dateLabel = i18n("Date:").toHtmlEscaped();
    const QString messageLabel = i18n("Commit message:").toHtmlEscaped();

    const QString author = aline.author().toHtmlEscaped();
    const QString date = QLocale().toString(aline.date()).toHtmlEscaped();
    const QString message = aline.commitMessage().toHtmlEscaped().replace(QLatin1Char('\n'), QLatin1String("<br/>"));

    return
        QLatin1String("<table>") +
        line.arg(authorLabel, author) +
        line.arg(dateLabel, date) +
        line.arg(messageLabel, message) +
        QLatin1String("</table>");
}

QVariant VcsAnnotationModel::data( int line, Qt::ItemDataRole role ) const
{
    Q_D(const VcsAnnotationModel);

    if( line < 0 || !d->m_annotation.containsLine( line ) )
    {
        return QVariant();
    }

    KDevelop::VcsAnnotationLine aline = d->m_annotation.line( line );
    if( role == Qt::ForegroundRole )
    {
        return QVariant(QPen(d->foreground));
    }
    if( role == Qt::BackgroundRole )
    {
        return QVariant(d->brush(aline.revision()));
    } else if( role == Qt::DisplayRole )
    {
        return QVariant( QStringLiteral("%1 ").arg(aline.date().date().year()) + abbreviateLastName(aline.author()) );
    } else if( role == (int) KTextEditor::AnnotationModel::GroupIdentifierRole )
    {
        return aline.revision().revisionValue();
    } else if( role == Qt::ToolTipRole )
    {
        return QVariant(annotationToolTip(aline));
    }
    return QVariant();
}

VcsRevision VcsAnnotationModel::revisionForLine( int line ) const
{
    Q_D(const VcsAnnotationModel);

    ///FIXME: update the annotation bar on edit/reload somehow
    ///BUG: https://bugs.kde.org/show_bug.cgi?id=269757
    if (!d->m_annotation.containsLine(line)) {
        return VcsRevision();
    }

    Q_ASSERT(line >= 0 && d->m_annotation.containsLine(line));
    return d->m_annotation.line( line ).revision();
}

VcsAnnotationLine VcsAnnotationModel::annotationLine(int line) const
{
    Q_D(const VcsAnnotationModel);

    if (line < 0 || !d->m_annotation.containsLine(line)) {
        return VcsAnnotationLine();
    }

    return d->m_annotation.line(line);
}

}

#include "moc_vcsannotationmodel.cpp"