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116 lines
4 KiB
C++
116 lines
4 KiB
C++
/* This file is part of the KDE libraries
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Copyright (C) 2008 Niko Sams <niko.sams@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "codecompletionmodelcontrollerinterface.h"
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#include <QtCore/qabstractitemmodel.h>
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#include <ktexteditor/view.h>
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#include <ktexteditor/document.h>
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namespace KTextEditor {
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CodeCompletionModelControllerInterface::CodeCompletionModelControllerInterface()
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{
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}
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CodeCompletionModelControllerInterface::~CodeCompletionModelControllerInterface()
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{
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}
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bool CodeCompletionModelControllerInterface::shouldStartCompletion(View* view, const QString &insertedText, bool userInsertion, const Cursor &position)
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{
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Q_UNUSED(view);
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Q_UNUSED(position);
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if(insertedText.isEmpty())
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return false;
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QChar lastChar = insertedText.at(insertedText.count() - 1);
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if ((userInsertion && (lastChar.isLetter() || lastChar.isNumber() || lastChar == '_')) ||
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lastChar == '.' || insertedText.endsWith(QLatin1String("->"))) {
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return true;
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}
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return false;
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}
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Range CodeCompletionModelControllerInterface::completionRange(View* view, const Cursor &position)
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{
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Cursor end = position;
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QString text = view->document()->line(end.line());
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static QRegExp findWordStart( "\\b([_\\w]+)$" );
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static QRegExp findWordEnd( "^([_\\w]*)\\b" );
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Cursor start = end;
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if (findWordStart.lastIndexIn(text.left(end.column())) >= 0)
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start.setColumn(findWordStart.pos(1));
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if (findWordEnd.indexIn(text.mid(end.column())) >= 0)
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end.setColumn(end.column() + findWordEnd.cap(1).length());
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//kDebug()<<"returning:"<<Range(start,end);
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return Range(start, end);
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}
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Range CodeCompletionModelControllerInterface::updateCompletionRange(View* view, const Range& range)
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{
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QStringList text=view->document()->textLines(range,false);
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if(!text.isEmpty() && text.count() == 1 && text.first().trimmed().isEmpty())
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//When inserting a newline behind an empty completion-range,, move the range forward to its end
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return Range(range.end(),range.end());
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return range;
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}
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QString CodeCompletionModelControllerInterface::filterString(View* view, const Range &range, const Cursor &position)
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{
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return view->document()->text(KTextEditor::Range(range.start(), position));
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}
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bool CodeCompletionModelControllerInterface::shouldAbortCompletion(View* view, const Range &range, const QString ¤tCompletion)
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{
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//kDebug()<<view->cursorPosition();
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//kDebug()<<range;
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if(view->cursorPosition() < range.start() || view->cursorPosition() > range.end())
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return true; //Always abort when the completion-range has been left
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//Do not abort completions when the text has been empty already before and a newline has been entered
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static const QRegExp allowedText("^(\\w*)");
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return !allowedText.exactMatch(currentCompletion);
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}
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void CodeCompletionModelControllerInterface::aborted(KTextEditor::View* view) {
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Q_UNUSED(view);
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}
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bool CodeCompletionModelControllerInterface::shouldExecute(const QModelIndex& index, QChar inserted) {
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Q_UNUSED(index);
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Q_UNUSED(inserted);
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return false;
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}
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KTextEditor::CodeCompletionModelControllerInterface::MatchReaction CodeCompletionModelControllerInterface::matchingItem(const QModelIndex& selected) {
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Q_UNUSED(selected)
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return HideListIfAutomaticInvocation;
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}
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}
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