/*
 * © Copyright 2014 – Urheberrechtshinweis
 * Alle Rechte vorbehalten / All Rights Reserved
 *
 * Programmcode ist urheberrechtlich geschuetzt.
 * Das Urheberrecht liegt, soweit nicht ausdruecklich anders gekennzeichnet, bei Frank Ebner.
 * Keine Verwendung ohne explizite Genehmigung.
 * (vgl. § 106 ff UrhG / § 97 UrhG)
 */

#include "../fixC11.h"

#include "MetaEditWidget.h"
#include "MetaEditModel.h"

#include <QTableView>
#include <QGridLayout>
#include <QKeyEvent>
#include <QPushButton>

MetaEditWidget::MetaEditWidget(Floorplan::Meta* meta) : QWidget(nullptr), metaOrig(meta) {

	// local copy. for the abort button [orig is unchanged]
	metaCopy.params = metaOrig->params;

	QGridLayout* lay = new QGridLayout(this);

	tbl = new QTableView();
	lay->addWidget(tbl, 0, 0, 1, 3);

	model = new MetaEditModel();
	model->setSource(&metaCopy);	// we edit the copy

	tbl->setModel(model);
	tbl->setSelectionBehavior(QAbstractItemView::SelectRows);
	tbl->setSelectionMode(QAbstractItemView::SingleSelection);


	// events
	QPushButton* btnAdd = new QPushButton("add entry");
	lay->addWidget(btnAdd, 1, 0);
	btnAdd->connect(btnAdd, &QPushButton::clicked, [this] (const bool) {
		model->addEntry();
	});
	btnAdd->setToolTip("add a new, empty entry. delete an entry using the keyboard");

	QPushButton* btnCancel = new QPushButton("abort");
	lay->addWidget(btnCancel, 1, 1);
	btnCancel->connect(btnCancel, &QPushButton::clicked, [this] (const bool) {
		// do not apply changes. juts close
		close();
	});
	btnCancel->setToolTip("close the dialog without committing the changes");

	QPushButton* btnOK = new QPushButton("OK");
	lay->addWidget(btnOK, 1, 2);
	btnOK->connect(btnOK, &QPushButton::clicked, [this] (const bool) {
		metaOrig->params = metaCopy.params;	// apply changed
		close();
	});
	btnOK->setToolTip("commit the changes and close the dialog");


	// sizing
	resize(500,400);

}

void MetaEditWidget::keyPressEvent(QKeyEvent* e) {

	if (e->key() == Qt::Key_Delete) {
		QModelIndexList indices = tbl->selectionModel()->selectedIndexes();
		for (const QModelIndex& idx : indices) {
			model->deleteEntry(idx.row());
			break;	// the list contains one entry per column!
		}
	}

}