1 /*
2  * Copyright (C) 2020 Damir Porobic <damir.porobic@gmx.com>
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License as published by
6  * the Free Software Foundation; either version 3 of the License, or
7  * (at your option) any later version.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 #include "AnnotationItemEditor.h"
21 
22 namespace kImageAnnotator {
23 
AnnotationItemEditor()24 AnnotationItemEditor::AnnotationItemEditor()
25 	: mCurrentEditItem(nullptr)
26 {
27 }
28 
handleEditAt(const QPointF & pos,QList<AbstractAnnotationItem * > * items)29 void AnnotationItemEditor::handleEditAt(const QPointF &pos, QList<AbstractAnnotationItem *> *items)
30 {
31 	mCurrentEditItem = findEditableItemAt(pos, items);
32 	if (mCurrentEditItem != nullptr) {
33 		mCurrentEditItem->enableEditing();
34 	}
35 }
36 
isEditing() const37 bool AnnotationItemEditor::isEditing() const
38 {
39 	return mCurrentEditItem != nullptr;
40 }
41 
clear()42 void AnnotationItemEditor::clear()
43 {
44 	mCurrentEditItem = nullptr;
45 }
46 
findEditableItemAt(const QPointF & position,QList<AbstractAnnotationItem * > * items)47 EditableItem *AnnotationItemEditor::findEditableItemAt(const QPointF &position, QList<AbstractAnnotationItem *> *items)
48 {
49 	QRectF rect(position - QPointF(2, 2), QSize(4, 4));
50 
51 	for (auto item : *items) {
52 		auto editableItem = dynamic_cast<EditableItem *>(item);
53 		if (editableItem != nullptr && item->intersects(rect)) {
54 			return editableItem;
55 		}
56 	}
57 
58 	return nullptr;
59 }
60 
61 } // namespace kImageAnnotator
62