1#pragma once
2
3/****************************************************************************************
4 ** GitQlient is an application to manage and operate one or several Git repositories. With
5 ** GitQlient you will be able to add commits, branches and manage all the options Git provides.
6 ** Copyright (C) 2021 Francesc Martinez
7 **
8 ** LinkedIn: www.linkedin.com/in/cescmm/
9 ** Web: www.francescmm.com
10 **
11 ** This program is free software; you can redistribute it and/or
12 ** modify it under the terms of the GNU Lesser General Public
13 ** License as published by the Free Software Foundation; either
14 ** version 2 of the License, or (at your option) any later version.
15 **
16 ** This program is distributed in the hope that it will be useful,
17 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ** Lesser General Public License for more details.
20 **
21 ** You should have received a copy of the GNU Lesser General Public
22 ** License along with this library; if not, write to the Free Software
23 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 ***************************************************************************************/
25
26#include <IDiffWidget.h>
27
28#include <QSyntaxHighlighter>
29
30class QPlainTextEdit;
31class QPushButton;
32
33/*!
34 \brief The FullDiffWidget class is an overload class inherited from QTextEdit that process the output from a diff for a
35 full commit diff. It includes a highlighter for the lines that are added, removed and to differentiate where a file
36 diff chuck starts.
37
38*/
39class FullDiffWidget : public IDiffWidget
40{
41 Q_OBJECT
42
43public:
44 /*!
45 \brief Default constructor.
46
47 \param git The git object to perform Git operations.
48 \param parent The parent widget if needed.
49 */
50 explicit FullDiffWidget(const QSharedPointer<GitBase> &git, QSharedPointer<GitCache> cache,
51 QWidget *parent = nullptr);
52
53 /*!
54 \brief Reloads the current diff in case the user loaded the work in progress as base commit.
55
56 */
57 bool reload() override;
58 /*!
59 \brief Loads a diff for a specific commit SHA respect another commit SHA.
60
61 \param sha The base commit SHA.
62 \param diffToSha The commit SHA to compare to.
63 \param diffData The diff data returned by the git command.
64 \return True if there is a diff to load, otherwise false.
65 */
66 void loadDiff(const QString &sha, const QString &diffToSha, const QString &diffData);
67
68private:
69 QPushButton *mGoPrevious = nullptr;
70 QPushButton *mGoNext = nullptr;
71 QString mPreviousDiffText;
72 QPlainTextEdit *mDiffWidget = nullptr;
73 QVector<int> mFilePositions;
74
75 class DiffHighlighter : public QSyntaxHighlighter
76 {
77 public:
78 DiffHighlighter(QTextDocument *document);
79 void highlightBlock(const QString &text) override;
80 };
81
82 DiffHighlighter *diffHighlighter = nullptr;
83
84 /*!
85 \brief Method that processes the data from the Git diff command.
86
87 \param fileChunk The file chuck to compare.
88 */
89 void processData(const QString &fileChunk);
90 /**
91 * @brief moveChunkUp Moves to the previous diff chunk.
92 */
93 void moveChunkUp();
94 /**
95 * @brief moveChunkDown Moves to the following diff chunk.
96 */
97 void moveChunkDown();
98};
99