1 /***************************************************************************
2 * This file is part of KWorship. *
3 * Copyright 2008 James Hogan <james@albanarts.com> *
5 * KWorship is free software: you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation, either version 2 of the License, or *
8 * (at your option) any later version. *
10 * KWorship is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with KWorship. If not, write to the Free Software Foundation, *
17 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
18 ***************************************************************************/
21 * @file UpPresentationsModel.cpp
22 * @brief A Qt model for presentation items.
23 * @author James Hogan <james@albanarts.com>
26 #include "UpPresentationsModel.h"
27 #include "UpPresentation.h"
28 #include "UpManagerNode.h"
29 #include "UpBackendNode.h"
30 #include "UpPresentationNode.h"
33 * Constructors + destructor
36 /// Default constructor.
37 UpPresentationsModel::UpPresentationsModel(QObject
* parent
)
38 : NodeBasedModel
<>(parent
)
43 UpPresentationsModel::~UpPresentationsModel()
51 void UpPresentationsModel::loadedPresentation(UpPresentation
* presentation
)
53 // First find the backend
54 UpManagerNode
* root
= dynamic_cast<UpManagerNode
*>(getRootNode());
56 UpBackendNode
* backendNode
= root
->getBackendNode(presentation
->backend());
59 int backendRow
= root
->getChildIndex(backendNode
);
60 Q_ASSERT(-1 != backendRow
);
61 QModelIndex backendIndex
= index(backendRow
, 0, QModelIndex());
62 int row
= backendNode
->getChildCount() - 1;
63 beginInsertRows(backendIndex
, row
, row
);
64 backendNode
->childrenAdded(row
, row
);
69 void UpPresentationsModel::unloadedPresentation(UpPresentation
* presentation
)
71 // First find the backend
72 UpManagerNode
* root
= dynamic_cast<UpManagerNode
*>(getRootNode());
74 UpBackendNode
* backendNode
= root
->getBackendNode(presentation
->backend());
77 // Now find the presentation node
78 UpPresentationNode
* presentationNode
= backendNode
->getPresentationNode(presentation
);
79 if (0 != presentationNode
)
81 int row
= backendNode
->getChildIndex(presentationNode
);
84 int backendRow
= root
->getChildIndex(backendNode
);
85 Q_ASSERT(-1 != backendRow
);
86 QModelIndex backendIndex
= index(backendRow
, 0, QModelIndex());
87 beginRemoveRows(backendIndex
, row
, row
);
88 backendNode
->childrenRemoved(row
, row
);