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** Copyright (C) 2016 The Qt Company Ltd.
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**
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** GNU General Public License Usage
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** General Public License version 3 as published by the Free Software
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#include "normalindenter.h"
#include "tabsettings.h"

#include <QTextDocument>

// Indent a text block based on previous line.
// Simple text paragraph layout:
// aaaa aaaa
//
//   bbb bb
//   bbb bb
//
//  - list
//    list line2
//
//  - listn
//
// ccc
//
// @todo{Add formatting to wrap paragraphs. This requires some
// hoops as the current indentation routines are not prepared
// for additional block being inserted. It might be possible
// to do in 2 steps (indenting/wrapping)}
//

using namespace TextEditor;

int NormalIndenter::indentFor(const QTextBlock &block, const TabSettings &tabSettings)
{
    Q_UNUSED(tabSettings);

    QTextBlock previous = block.previous();
    if (!previous.isValid())
        return 0;

    const QString previousText = previous.text();
    // Empty line indicates a start of a new paragraph. Leave as is.
    if (previousText.isEmpty() || previousText.trimmed().isEmpty())
        return 0;

    return tabSettings.indentationColumn(previousText);
}