kde-extraapps/kdevplatform/language/codecompletion/codecompletion.cpp
2015-07-26 14:23:17 +03:00

130 lines
4.1 KiB
C++

/*
* KDevelop Generic Code Completion Support
*
* Copyright 2006 Hamish Rodda <rodda@kde.org>
*
* 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 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 "codecompletion.h"
#include <ktexteditor/view.h>
#include <ktexteditor/document.h>
#include <ktexteditor/codecompletionmodel.h>
#include <ktexteditor/codecompletioninterface.h>
#include <interfaces/icore.h>
#include <interfaces/ilanguage.h>
#include <interfaces/ilanguagecontroller.h>
#include "../duchain/duchain.h"
#include "../duchain/topducontext.h"
#include "codecompletionmodel.h"
#include <interfaces/idocumentcontroller.h>
using namespace KTextEditor;
using namespace KDevelop;
CodeCompletion::CodeCompletion(QObject *parent, KTextEditor::CodeCompletionModel* aModel, const QString& language)
: QObject(parent), m_model(aModel), m_language(language)
{
KDevelop::CodeCompletionModel* kdevModel = dynamic_cast<KDevelop::CodeCompletionModel*>(aModel);
if(kdevModel)
kdevModel->initialize();
connect(KDevelop::ICore::self()->documentController(), SIGNAL(textDocumentCreated(KDevelop::IDocument*)),
SLOT(textDocumentCreated(KDevelop::IDocument*)));
connect( ICore::self()->documentController(), SIGNAL(documentUrlChanged(KDevelop::IDocument*)),
SLOT(documentUrlChanged(KDevelop::IDocument*)) );
aModel->setParent(this);
// prevent deadlock
QMetaObject::invokeMethod(this, "checkDocuments", Qt::QueuedConnection);
}
CodeCompletion::~CodeCompletion()
{
}
void CodeCompletion::checkDocuments()
{
foreach( KDevelop::IDocument* doc, KDevelop::ICore::self()->documentController()->openDocuments() ) {
if (doc->textDocument()) {
checkDocument(doc->textDocument());
}
}
}
void CodeCompletion::viewCreated(KTextEditor::Document * document, KTextEditor::View * view)
{
Q_UNUSED(document);
if (CodeCompletionInterface* cc = dynamic_cast<CodeCompletionInterface*>(view)) {
cc->registerCompletionModel(m_model);
kDebug() << "Registered completion model";
}
}
void CodeCompletion::documentUrlChanged(KDevelop::IDocument* document)
{
// The URL has changed (might have a different language now), so we re-register the document
Document* textDocument = document->textDocument();
if(textDocument)
{
checkDocument(textDocument);
}
}
void CodeCompletion::textDocumentCreated(KDevelop::IDocument* document)
{
Q_ASSERT(document->textDocument());
checkDocument(document->textDocument());
}
void CodeCompletion::unregisterDocument(Document* textDocument)
{
foreach (KTextEditor::View* view, textDocument->views())
if (CodeCompletionInterface* cc = dynamic_cast<CodeCompletionInterface*>(view))
cc->unregisterCompletionModel(m_model);
disconnect(textDocument, SIGNAL(viewCreated(KTextEditor::Document*,KTextEditor::View*)), this, SLOT(viewCreated(KTextEditor::Document*,KTextEditor::View*)));
}
void CodeCompletion::checkDocument(Document* textDocument)
{
unregisterDocument(textDocument);
QList<ILanguage*> langs=ICore::self()->languageController()->languagesForUrl( textDocument->url() );
bool found=false;
foreach(ILanguage* lang, langs) {
if(m_language==lang->name()) {
found=true;
break;
}
}
if(!found && !m_language.isEmpty())
return;
foreach (KTextEditor::View* view, textDocument->views())
viewCreated(textDocument, view);
connect(textDocument, SIGNAL(viewCreated(KTextEditor::Document*,KTextEditor::View*)), SLOT(viewCreated(KTextEditor::Document*,KTextEditor::View*)));
}
#include "moc_codecompletion.cpp"