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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "typehierarchy.h"
#include "texteditorconstants.h"
#include "texteditortr.h"
#include <coreplugin/actionmanager/actionmanager.h>
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/inavigationwidgetfactory.h>
#include <utils/utilsicons.h>
#include <QLabel>
#include <QPalette>
#include <QStackedWidget>
#include <QToolButton>
using namespace Utils;
namespace TextEditor {
namespace Internal {
static QList<TypeHierarchyWidgetFactory *> g_widgetFactories;
class TypeHierarchyFactory : public Core::INavigationWidgetFactory
{
public:
TypeHierarchyFactory()
{
setDisplayName(Tr::tr("Type Hierarchy"));
setPriority(649);
setId(Constants::TYPE_HIERARCHY_FACTORY_ID);
}
private:
Core::NavigationView createWidget() override;
};
class TypeHierarchyWidgetStack : public QStackedWidget
{
Q_OBJECT
public:
TypeHierarchyWidgetStack();
void reload();
};
static TypeHierarchyFactory &typeHierarchyFactory()
{
static TypeHierarchyFactory theFactory;
return theFactory;
}
void setupTypeHierarchyFactory()
{
(void) typeHierarchyFactory();
}
TypeHierarchyWidgetStack::TypeHierarchyWidgetStack()
{
QLabel *label = new QLabel(Tr::tr("No type hierarchy available"), this);
label->setAlignment(Qt::AlignCenter);
label->setAutoFillBackground(true);
label->setBackgroundRole(QPalette::Base);
addWidget(label);
reload();
}
void TypeHierarchyWidgetStack::reload()
{
const auto editor = Core::EditorManager::currentEditor();
TypeHierarchyWidget *newWidget = nullptr;
if (editor) {
for (TypeHierarchyWidgetFactory * const widgetFactory : std::as_const(g_widgetFactories)) {
if ((newWidget = widgetFactory->createWidget(editor)))
break;
}
}
QWidget * const current = currentWidget();
if (current) {
removeWidget(current);
current->deleteLater();
}
if (newWidget) {
addWidget(newWidget);
setCurrentWidget(newWidget);
setFocusProxy(newWidget);
newWidget->reload();
}
}
Core::NavigationView TypeHierarchyFactory::createWidget()
{
const auto placeholder = new TypeHierarchyWidgetStack;
const auto reloadButton = new QToolButton;
reloadButton->setIcon(Icons::RELOAD_TOOLBAR.icon());
reloadButton->setToolTip(Tr::tr("Reloads the type hierarchy for the symbol under the cursor."));
connect(reloadButton, &QToolButton::clicked, placeholder, &TypeHierarchyWidgetStack::reload);
return {placeholder, {reloadButton}};
}
void updateTypeHierarchy(QWidget *widget)
{
if (const auto w = qobject_cast<TypeHierarchyWidgetStack *>(widget))
w->reload();
}
} // namespace Internal
TypeHierarchyWidgetFactory::TypeHierarchyWidgetFactory()
{
Internal::g_widgetFactories.append(this);
}
TypeHierarchyWidgetFactory::~TypeHierarchyWidgetFactory()
{
Internal::g_widgetFactories.removeOne(this);
}
void openTypeHierarchy()
{
if (const auto action = Core::ActionManager::command(Constants::OPEN_TYPE_HIERARCHY)->action())
action->trigger();
}
} // namespace TextEditor
#include <typehierarchy.moc>
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