1 | /* |
2 | * Copyright 2007-2008 Thomas Gallinari <tg8187@yahoo.fr> |
3 | * |
4 | * This program is free software; you can redistribute it and/or |
5 | * modify it under the terms of the GNU General Public License as |
6 | * published by the Free Software Foundation; either version 2 of |
7 | * the License, or (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 General Public License |
15 | * along with this program. If not, see <http://www.gnu.org/licenses/>. |
16 | */ |
17 | |
18 | #include "elementitem.h" |
19 | |
20 | ElementItem::ElementItem(Element* p_model) : QGraphicsSvgItem() { |
21 | m_model = p_model; |
22 | // Init the view coordinates |
23 | setPos(p_model->getX() - boundingRect().width() / 2, p_model->getY() - boundingRect().height() / 2); |
24 | // Connects the model to the view |
25 | connect(p_model, SIGNAL(moved(qreal,qreal)), this, SLOT(update(qreal,qreal))); |
26 | setCacheMode(DeviceCoordinateCache); |
27 | setMaximumCacheSize(QSize(500, 500)); |
28 | } |
29 | |
30 | ElementItem::~ElementItem() { |
31 | delete m_model; |
32 | |
33 | } |
34 | |
35 | Element* ElementItem::getModel() const { |
36 | return m_model; |
37 | } |
38 | |
39 | QPainterPath ElementItem::shape() const { |
40 | QPainterPath path; |
41 | path.addEllipse(boundingRect()); |
42 | return path; |
43 | } |
44 | |
45 | void ElementItem::update(qreal p_x, qreal p_y) { |
46 | // Compute the top-right coordinates of the item |
47 | qreal x = p_x - boundingRect().width() / 2; |
48 | qreal y = p_y - boundingRect().height() / 2; |
49 | |
50 | // Updates the view coordinates |
51 | setPos(x, y); |
52 | } |
53 | |