okular/part/signaturepanel.cpp
2021-06-10 08:11:56 +00:00

129 lines
3.7 KiB
C++

/*
SPDX-FileCopyrightText: 2018 Chinmoy Ranjan Pradhan <chinmoyrp65@gmail.com>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "signaturepanel.h"
#include "pageview.h"
#include "revisionviewer.h"
#include "signatureguiutils.h"
#include "signaturemodel.h"
#include "signaturepropertiesdialog.h"
#include <kwidgetsaddons_version.h>
#include <KLocalizedString>
#include <KTitleWidget>
#include <QApplication>
#include <QHeaderView>
#include <QMenu>
#include <QTreeView>
#include <QVBoxLayout>
#include "core/document.h"
#include "core/form.h"
class SignaturePanelPrivate
{
public:
Okular::Document *m_document;
const Okular::FormFieldSignature *m_currentForm;
QTreeView *m_view;
SignatureModel *m_model;
PageView *m_pageView;
};
SignaturePanel::SignaturePanel(Okular::Document *document, QWidget *parent)
: QWidget(parent)
, d_ptr(new SignaturePanelPrivate)
{
Q_D(SignaturePanel);
KTitleWidget *titleWidget = new KTitleWidget(this);
titleWidget->setLevel(2);
titleWidget->setText(i18n("Signatures"));
d->m_view = new QTreeView(this);
d->m_view->setAlternatingRowColors(true);
d->m_view->setSelectionMode(QAbstractItemView::SingleSelection);
d->m_view->setContextMenuPolicy(Qt::CustomContextMenu);
d->m_view->header()->hide();
d->m_document = document;
d->m_model = new SignatureModel(d->m_document, this);
d->m_view->setModel(d->m_model);
connect(d->m_view->selectionModel(), &QItemSelectionModel::currentChanged, this, &SignaturePanel::activated);
connect(d->m_view, &QTreeView::customContextMenuRequested, this, &SignaturePanel::slotShowContextMenu);
auto vLayout = new QVBoxLayout(this);
vLayout->setSpacing(6);
vLayout->addWidget(titleWidget);
vLayout->setAlignment(titleWidget, Qt::AlignHCenter);
vLayout->addWidget(d->m_view);
}
void SignaturePanel::activated(const QModelIndex &index)
{
Q_D(SignaturePanel);
d->m_currentForm = d->m_model->data(index, SignatureModel::FormRole).value<const Okular::FormFieldSignature *>();
if (!d->m_currentForm)
return;
const Okular::NormalizedRect nr = d->m_currentForm->rect();
Okular::DocumentViewport vp;
vp.pageNumber = d->m_model->data(index, SignatureModel::PageRole).toInt();
vp.rePos.enabled = true;
vp.rePos.pos = Okular::DocumentViewport::Center;
vp.rePos.normalizedX = (nr.right + nr.left) / 2.0;
vp.rePos.normalizedY = (nr.bottom + nr.top) / 2.0;
d->m_document->setViewport(vp, nullptr);
d->m_pageView->highlightSignatureFormWidget(d->m_currentForm);
}
void SignaturePanel::slotShowContextMenu()
{
Q_D(SignaturePanel);
if (!d->m_currentForm)
return;
QMenu *menu = new QMenu(this);
QAction *sigProp = new QAction(i18n("Properties"), menu);
connect(sigProp, &QAction::triggered, this, &SignaturePanel::slotViewProperties);
menu->addAction(sigProp);
menu->exec(QCursor::pos());
delete menu;
}
void SignaturePanel::slotViewProperties()
{
Q_D(SignaturePanel);
SignaturePropertiesDialog propDlg(d->m_document, d->m_currentForm, this);
propDlg.exec();
}
void SignaturePanel::notifySetup(const QVector<Okular::Page *> & /*pages*/, int setupFlags)
{
if (!(setupFlags & Okular::DocumentObserver::UrlChanged))
return;
Q_D(SignaturePanel);
const QVector<const Okular::FormFieldSignature *> signatureForms = SignatureGuiUtils::getSignatureFormFields(d->m_document, true, -1);
emit documentHasSignatures(!signatureForms.isEmpty());
}
SignaturePanel::~SignaturePanel()
{
Q_D(SignaturePanel);
d->m_document->removeObserver(this);
delete d->m_model;
}
void SignaturePanel::setPageView(PageView *pv)
{
Q_D(SignaturePanel);
d->m_pageView = pv;
}