111 lines
2.9 KiB
C++
111 lines
2.9 KiB
C++
// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
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//
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// SPDX-License-Identifier: MIT
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#include "metadatadialog.h"
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#include <QDialogButtonBox>
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#include <QPainter>
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#include <QStyledItemDelegate>
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#include <QTreeView>
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#include <QVBoxLayout>
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#include <QHeaderView>
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#include "metadatamodel.h"
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class PropertyTreeView : public QTreeView
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{
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public:
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explicit PropertyTreeView(QWidget* parent) : QTreeView(parent) {}
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~PropertyTreeView() {}
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protected:
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void rowsInserted(const QModelIndex& parent, int start, int end) override
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{
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QTreeView::rowsInserted(parent, start, end);
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if (!parent.isValid()) {
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// we are inserting a section group
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for (int row = start; row <= end; ++row) {
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setupSection(row);
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}
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} else {
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// we are inserting a property
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setRowHidden(parent.row(), QModelIndex(), false);
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}
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}
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void reset() override
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{
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QTreeView::reset();
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if (model()) {
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for (int row = 0; row < model()->rowCount(); ++row) {
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setupSection(row);
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}
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}
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}
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private:
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void setupSection(int row)
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{
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expand(model()->index(row, 0));
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setFirstColumnSpanned(row, QModelIndex(), true);
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setRowHidden(row, QModelIndex(), !model()->hasChildren(model()->index(row, 0)));
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}
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};
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class PropertyTreeItemDelegate : public QStyledItemDelegate
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{
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public:
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PropertyTreeItemDelegate(QObject* parent)
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: QStyledItemDelegate(parent)
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{}
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protected:
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void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const override
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{
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QStyleOptionViewItem opt = option;
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if (!index.parent().isValid()) {
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opt.font.setBold(true);
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opt.features.setFlag(QStyleOptionViewItem::Alternate);
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}
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QStyledItemDelegate::paint(painter, opt, index);
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}
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};
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MetadataDialog::MetadataDialog(QWidget *parent)
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: QDialog(parent)
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, m_treeView(new PropertyTreeView(this))
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{
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m_treeView->setRootIsDecorated(false);
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m_treeView->setIndentation(0);
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m_treeView->setItemDelegate(new PropertyTreeItemDelegate(m_treeView));
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m_treeView->header()->resizeSection(0, sizeHint().width() / 2);
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setWindowTitle(tr("Image Metadata"));
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QDialogButtonBox * buttonBox = new QDialogButtonBox(QDialogButtonBox::Close);
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setLayout(new QVBoxLayout);
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layout()->addWidget(m_treeView);
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layout()->addWidget(buttonBox);
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connect(buttonBox, &QDialogButtonBox::rejected, this, &QDialog::close);
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setWindowFlag(Qt::WindowContextHelpButtonHint, false);
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}
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MetadataDialog::~MetadataDialog()
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{
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}
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void MetadataDialog::setMetadataModel(MetadataModel * model)
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{
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m_treeView->setModel(model);
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}
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QSize MetadataDialog::sizeHint() const
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{
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return QSize(520, 350);
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}
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