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/*
SPDX-FileCopyrightText: 2006 Hamish Rodda <rodda@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "codecompletion.h"
#include <interfaces/icore.h>
#include <interfaces/ilanguagecontroller.h>
#include <interfaces/ilanguagesupport.h>
#include "../duchain/duchain.h"
#include "../duchain/topducontext.h"
#include <debug.h>
#include "codecompletionmodel.h"
#include <interfaces/idocumentcontroller.h>
#include <KTextEditor/View>
#include <KTextEditor/Document>
#include <KTextEditor/CodeCompletionModel>
#include <KTextEditor/CodeCompletionInterface>
using namespace KTextEditor;
using namespace KDevelop;
CodeCompletion::CodeCompletion(QObject* parent, KTextEditor::CodeCompletionModel* aModel, const QString& language)
: QObject(parent)
, m_model(aModel)
, m_language(language)
{
auto* kdevModel = qobject_cast<KDevelop::CodeCompletionModel*>(aModel);
if (kdevModel)
kdevModel->initialize();
connect(KDevelop::ICore::self()->documentController(), &IDocumentController::textDocumentCreated,
this, &CodeCompletion::textDocumentCreated);
connect(ICore::self()->documentController(), &IDocumentController::documentUrlChanged,
this, &CodeCompletion::documentUrlChanged);
aModel->setParent(this);
// prevent deadlock
QMetaObject::invokeMethod(this, "checkDocuments", Qt::QueuedConnection);
}
CodeCompletion::~CodeCompletion()
{
}
void CodeCompletion::checkDocuments()
{
const auto documents = KDevelop::ICore::self()->documentController()->openDocuments();
for (KDevelop::IDocument* doc : documents) {
if (doc->textDocument()) {
checkDocument(doc->textDocument());
}
}
}
void CodeCompletion::viewCreated(KTextEditor::Document* document, KTextEditor::View* view)
{
Q_UNUSED(document);
if (auto* cc = qobject_cast<CodeCompletionInterface*>(view)) {
cc->registerCompletionModel(m_model);
qCDebug(LANGUAGE) << "Registered completion model";
emit registeredToView(view);
}
}
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)
{
const auto views = textDocument->views();
for (KTextEditor::View* view : views) {
if (auto* cc = qobject_cast<CodeCompletionInterface*>(view)) {
cc->unregisterCompletionModel(m_model);
emit unregisteredFromView(view);
}
}
disconnect(textDocument, &Document::viewCreated, this, &CodeCompletion::viewCreated);
}
void CodeCompletion::checkDocument(Document* textDocument)
{
unregisterDocument(textDocument);
const auto langs = ICore::self()->languageController()->languagesForUrl(textDocument->url());
bool found = false;
for (const auto lang : langs) {
if (m_language == lang->name()) {
found = true;
break;
}
}
if (!found && !m_language.isEmpty())
return;
const auto views = textDocument->views();
for (KTextEditor::View* view : views) {
viewCreated(textDocument, view);
}
connect(textDocument, &Document::viewCreated, this, &CodeCompletion::viewCreated);
}
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