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#include <Kernel/KeyCode.h>
#include <LibGUI/GAbstractView.h>
#include <LibGUI/GModel.h>
#include <LibGUI/GModelEditingDelegate.h>
#include <LibGUI/GPainter.h>
#include <LibGUI/GScrollBar.h>
#include <LibGUI/GTextBox.h>
GAbstractView::GAbstractView(GWidget* parent)
: GScrollableWidget(parent)
{
}
GAbstractView::~GAbstractView()
{
delete m_edit_widget;
}
void GAbstractView::set_model(RefPtr<GModel>&& model)
{
if (model == m_model)
return;
if (m_model)
m_model->unregister_view({}, *this);
m_model = move(model);
if (m_model)
m_model->register_view({}, *this);
did_update_model();
}
void GAbstractView::did_update_model()
{
if (!model() || model()->selected_index() != m_edit_index)
stop_editing();
}
void GAbstractView::did_update_selection()
{
if (!model() || model()->selected_index() != m_edit_index)
stop_editing();
if (model() && on_selection && model()->selected_index().is_valid())
on_selection(model()->selected_index());
}
void GAbstractView::did_scroll()
{
update_edit_widget_position();
}
void GAbstractView::update_edit_widget_position()
{
if (!m_edit_widget)
return;
m_edit_widget->set_relative_rect(m_edit_widget_content_rect.translated(-horizontal_scrollbar().value(), -vertical_scrollbar().value()));
}
void GAbstractView::begin_editing(const GModelIndex& index)
{
ASSERT(is_editable());
ASSERT(model());
if (m_edit_index == index)
return;
if (!model()->is_editable(index))
return;
if (m_edit_widget)
delete m_edit_widget;
m_edit_index = index;
ASSERT(aid_create_editing_delegate);
m_editing_delegate = aid_create_editing_delegate(index);
m_editing_delegate->bind(*model(), index);
m_editing_delegate->set_value(model()->data(index, GModel::Role::Display));
m_edit_widget = m_editing_delegate->widget();
add_child(*m_edit_widget);
m_edit_widget->move_to_back();
m_edit_widget_content_rect = content_rect(index).translated(frame_thickness(), frame_thickness());
update_edit_widget_position();
m_edit_widget->set_focus(true);
m_editing_delegate->will_begin_editing();
m_editing_delegate->on_commit = [this] {
ASSERT(model());
model()->set_data(m_edit_index, m_editing_delegate->value());
stop_editing();
};
}
void GAbstractView::stop_editing()
{
m_edit_index = {};
delete m_edit_widget;
m_edit_widget = nullptr;
}
void GAbstractView::activate(const GModelIndex& index)
{
if (on_activation)
on_activation(index);
}
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