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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
**
**************************************************************************/
#include "plaintexteditor.h"
#include "texteditorconstants.h"
#include "texteditorplugin.h"
#include <coreplugin/coreconstants.h>
#include <coreplugin/uniqueidmanager.h>
using namespace TextEditor;
using namespace TextEditor::Internal;
PlainTextEditorEditable::PlainTextEditorEditable(PlainTextEditor *editor)
: BaseTextEditorEditable(editor)
{
Core::UniqueIDManager *uidm = Core::UniqueIDManager::instance();
m_context << uidm->uniqueIdentifier(Core::Constants::K_DEFAULT_TEXT_EDITOR);
m_context << uidm->uniqueIdentifier(TextEditor::Constants::C_TEXTEDITOR);
}
PlainTextEditor::PlainTextEditor(QWidget *parent)
: BaseTextEditor(parent)
{
setRevisionsVisible(true);
setMarksVisible(true);
setRequestMarkEnabled(false);
setLineSeparatorsAllowed(true);
setMimeType(QLatin1String(TextEditor::Constants::C_TEXTEDITOR_MIMETYPE_TEXT));
}
QList<int> PlainTextEditorEditable::context() const
{
return m_context;
}
Core::IEditor *PlainTextEditorEditable::duplicate(QWidget *parent)
{
PlainTextEditor *newEditor = new PlainTextEditor(parent);
newEditor->duplicateFrom(editor());
TextEditorPlugin::instance()->initializeEditor(newEditor);
return newEditor->editableInterface();
}
const char *PlainTextEditorEditable::kind() const
{
return Core::Constants::K_DEFAULT_TEXT_EDITOR;
}
// 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)}
//
void PlainTextEditor::indentBlock(QTextDocument *doc, QTextBlock block, QChar typedChar)
{
Q_UNUSED(typedChar)
// At beginning: Leave as is.
if (block == doc->begin())
return;
const QTextBlock previous = block.previous();
const QString previousText = previous.text();
// Empty line indicates a start of a new paragraph. Leave as is.
if (previousText.isEmpty() || previousText.trimmed().isEmpty())
return;
// Just use previous line.
// Skip non-alphanumerical characters when determining the indentation
// to enable writing bulleted lists whose items span several lines.
int i = 0;
while (i < previousText.size()) {
if (previousText.at(i).isLetterOrNumber()) {
const TextEditor::TabSettings &ts = tabSettings();
ts.indentLine(block, ts.columnAt(previousText, i));
break;
}
++i;
}
}
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