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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#include "followsymbol.h"
#include "haskelleditorwidget.h"
#include "haskellmanager.h"
#include "haskelltokenizer.h"
#include <coreplugin/editormanager/editormanager.h>
#include <texteditor/codeassist/assistinterface.h>
#include <texteditor/codeassist/assistproposalitem.h>
#include <texteditor/codeassist/genericproposal.h>
#include <texteditor/codeassist/genericproposalmodel.h>
#include <utils/qtcassert.h>
using namespace TextEditor;
using namespace Utils;
namespace Haskell {
namespace Internal {
IAssistProvider::RunType FollowSymbolAssistProvider::runType() const
{
return AsynchronousWithThread;
}
IAssistProcessor *FollowSymbolAssistProvider::createProcessor() const
{
return new FollowSymbolAssistProcessor(m_inNextSplit);
}
void FollowSymbolAssistProvider::setOpenInNextSplit(bool inNextSplit)
{
m_inNextSplit = inNextSplit;
}
FollowSymbolAssistProcessor::FollowSymbolAssistProcessor(bool inNextSplit)
: m_inNextSplit(inNextSplit)
{
}
IAssistProposal *FollowSymbolAssistProcessor::immediateProposal(const AssistInterface *interface)
{
int line, column;
const optional<Token> symbol
= HaskellEditorWidget::symbolAt(interface->textDocument(), interface->position(),
&line, &column);
QTC_ASSERT(symbol, return nullptr); // should have been checked before
const auto filePath = FileName::fromString(interface->fileName());
m_ghcmod = HaskellManager::ghcModForFile(filePath);
m_symbolFuture = m_ghcmod->findSymbol(filePath, symbol->text.toString());
auto item = new AssistProposalItem();
item->setText(HaskellManager::trLookingUp(symbol->text.toString()));
item->setData(QString());
item->setOrder(-1000);
auto proposal = new GenericProposal(interface->position(), {item});
proposal->setFragile(true);
return proposal;
}
IAssistProposal *FollowSymbolAssistProcessor::perform(const AssistInterface *interface)
{
const int position = interface->position();
delete interface;
const optional<SymbolInfo> info = m_symbolFuture.result();
auto item = new FollowSymbolAssistProposalItem(m_ghcmod->basePath(), info, m_inNextSplit);
return new InstantProposal(position, {item});
}
FollowSymbolAssistProposalItem::FollowSymbolAssistProposalItem(const FileName &basePath,
const optional<SymbolInfo> &info,
bool inNextSplit)
: m_basePath(basePath),
m_inNextSplit(inNextSplit)
{
if (info && !info->file.isEmpty()) {
m_info = info;
setText(m_basePath.toString() + '/' + m_info->file.toString());
}
}
void FollowSymbolAssistProposalItem::apply(TextDocumentManipulatorInterface &, int) const
{
if (m_info)
Core::EditorManager::openEditorAt(m_basePath.toString() + '/' + m_info->file.toString(),
m_info->line, m_info->col - 1, Core::Id(),
m_inNextSplit ? Core::EditorManager::OpenInOtherSplit
: Core::EditorManager::NoFlags);
}
void InstantActivationProposalWidget::showProposal(const QString &prefix)
{
if (model() && model()->size() == 1) {
emit proposalItemActivated(model()->proposalItem(0));
deleteLater();
return;
}
GenericProposalWidget::showProposal(prefix);
}
InstantProposal::InstantProposal(int cursorPos, const QList<AssistProposalItemInterface *> &items)
: GenericProposal(cursorPos, items)
{
}
IAssistProposalWidget *InstantProposal::createWidget() const
{
return new InstantActivationProposalWidget();
}
} // namespace Internal
} // namespace Haskell
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