datacontainertreewidget.cpp 10.6 KB
Newer Older
schultezub's avatar
schultezub committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
// ================================================================================================
// 
// This file is part of the CAMPVis Software Framework.
// 
// If not explicitly stated otherwise: Copyright (C) 2012, all rights reserved,
//      Christian Schulte zu Berge <christian.szb@in.tum.de>
//      Chair for Computer Aided Medical Procedures
//      Technische Universitt Mnchen
//      Boltzmannstr. 3, 85748 Garching b. Mnchen, Germany
// For a full list of authors and contributors, please refer to the file "AUTHORS.txt".
// 
// The licensing of this softare is not yet resolved. Until then, redistribution in source or
// binary forms outside the CAMP chair is not permitted, unless explicitly stated in legal form.
// However, the names of the original authors and the above copyright notice must retain in its
// original state in any case.
// 
// Legal disclaimer provided by the BSD license:
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY 
// AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// ================================================================================================

30
31
32
33
34
35


#include "datacontainertreewidget.h"

#include "tgt/assert.h"

36
#include "application/gui/qtdatahandle.h"
37
38
#include "core/datastructures/datacontainer.h"
#include "core/datastructures/abstractdata.h"
39
40
#include "core/datastructures/facegeometry.h"
#include "core/datastructures/meshgeometry.h"
41
42
43
44
#include "core/datastructures/imagerepresentationdisk.h"
#include "core/datastructures/imagerepresentationlocal.h"
#include "core/datastructures/imagerepresentationrendertarget.h"
#include "core/datastructures/imagerepresentationgl.h"
45
46
47
48

#include <QHeaderView>
#include <QStringList>

schultezub's avatar
schultezub committed
49
namespace campvis {
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79

    namespace {
        const int COLUMN_NAME = 0;
        const int COLUMN_TYPE = 1;
    }

// = TreeModel items ==============================================================================


    DataContainerTreeRootItem::DataContainerTreeRootItem(TreeItem* parent /*= 0*/)
        : TreeItem(parent)
    {}

    QVariant DataContainerTreeRootItem::getData(int column, int role) const {
        if (role == Qt::DisplayRole) {
            if (column == COLUMN_NAME)
                return QVariant(QString("Name"));
            else if (column == COLUMN_TYPE)
                return QVariant(QString("Data Type"));
        }

        return QVariant();
    }

    DataContainerTreeRootItem::~DataContainerTreeRootItem() {

    }

// ================================================================================================

80
    DataHandleTreeItem::DataHandleTreeItem(const QtDataHandle& dataHandle, const std::string& name, TreeItem* parent)
81
82
83
84
        : TreeItem(parent)
        , _dataHandle(dataHandle)
        , _name(name)
    {
85
        tgtAssert(_dataHandle.getData() != 0, "WTF - QtDataHandle with empty data?");
86
87
88
89
90
91
92
93
    }

    QVariant DataHandleTreeItem::getData(int column, int role) const {
        switch (role) {
        case Qt::DisplayRole:
            if (column == COLUMN_NAME)
                return QVariant(QString::fromStdString(_name));
            else if (column == COLUMN_TYPE) {
94
                const AbstractData* data = _dataHandle.getData();
95
                tgtAssert(data != 0, "WTF - QtDataHandle with empty data?");
96
97
                if (const ImageData* tester = dynamic_cast<const ImageData*>(data)) {
                	return QVariant(QString("Image Data"));
98
                }
99
100
                else if (const FaceGeometry* tester = dynamic_cast<const FaceGeometry*>(data)) {
                	return QVariant(QString("Face Geometry"));
101
                }
102
103
                else if (const MeshGeometry* tester = dynamic_cast<const MeshGeometry*>(data)) {
                    return QVariant(QString("Mesh Geometry"));
104
105
106
107
108
                }
            }
            else
                return QVariant();
        case Qt::UserRole:
109
            return qVariantFromValue(_dataHandle);
110
111
112
113
114
115
116
117
        default:
            return QVariant();
        }
    }

    DataHandleTreeItem::~DataHandleTreeItem() {
    }

118
    void DataHandleTreeItem::setDataHandle(const QtDataHandle& dataHandle) {
119
120
121
        _dataHandle = dataHandle;
    }

122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
// = DataContainerTreeModel ============================================================================

    DataContainerTreeModel::DataContainerTreeModel(QObject *parent /*= 0*/)
        : QAbstractItemModel(parent)
        , _rootItem(new DataContainerTreeRootItem(0))
    {
    }

    DataContainerTreeModel::~DataContainerTreeModel() {
        delete _rootItem;
    }

    QVariant DataContainerTreeModel::data(const QModelIndex &index, int role) const {
        if (!index.isValid())
            return QVariant();

        TreeItem* item = static_cast<TreeItem*>(index.internalPointer());
        return item->getData(index.column(), role);
    }

    bool DataContainerTreeModel::setData(const QModelIndex& index, const QVariant& value, int role) {
        if (!index.isValid())
            return false;

        TreeItem* item = static_cast<TreeItem*>(index.internalPointer());
        return item->setData(index.column(), role, value);
    }

    Qt::ItemFlags DataContainerTreeModel::flags(const QModelIndex &index) const {
        if (!index.isValid())
            return 0;

        switch (index.column()) {
            case COLUMN_TYPE:
                return QAbstractItemModel::flags(index) | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
            case COLUMN_NAME:
                return QAbstractItemModel::flags(index) | Qt::ItemIsEnabled | Qt::ItemIsSelectable;
        }

        return 0;
    }

    QVariant DataContainerTreeModel::headerData(int section, Qt::Orientation orientation, int role /*= Qt::DisplayRole*/) const {
        if (orientation == Qt::Horizontal && role == Qt::DisplayRole)
            return _rootItem->getData(section, role);

        return QVariant();
    }

    QModelIndex DataContainerTreeModel::index(int row, int column, const QModelIndex &parent /*= QModelIndex()*/) const {
        if (!hasIndex(row, column, parent))
            return QModelIndex();

        TreeItem* parentItem;

        if (!parent.isValid())
            parentItem = _rootItem;
        else
            parentItem = static_cast<TreeItem*>(parent.internalPointer());

        TreeItem* childItem = parentItem->getChild(row);
        if (childItem)
            return createIndex(row, column, childItem);
        else
            return QModelIndex();
    }

    QModelIndex DataContainerTreeModel::parent(const QModelIndex &index) const {
        if (!index.isValid())
            return QModelIndex();

        TreeItem* childItem = static_cast<TreeItem*>(index.internalPointer());
        TreeItem* parentItem = childItem->getParent();

        if (parentItem == _rootItem)
            return QModelIndex();

        return createIndex(parentItem->getRow(), 0, parentItem);
    }

    int DataContainerTreeModel::rowCount(const QModelIndex &parent /*= QModelIndex()*/) const {
        TreeItem* parentItem;
        if (parent.column() > 0)
            return 0;

        if (!parent.isValid())
            parentItem = _rootItem;
        else
            parentItem = static_cast<TreeItem*>(parent.internalPointer());

        return parentItem->getChildCount();
    }

    int DataContainerTreeModel::columnCount(const QModelIndex &parent /*= QModelIndex()*/) const {
        return 2;
    }

    void DataContainerTreeModel::setData(const DataContainer* dataContainer) {
220
        _itemMap.clear();
221
222
223
        delete _rootItem;
        _rootItem = new DataContainerTreeRootItem();

224
225
        std::vector< std::pair< std::string, DataHandle> > handlesCopy = dataContainer->getDataHandlesCopy();
        for (std::vector< std::pair< std::string, DataHandle> >::iterator it = handlesCopy.begin(); it != handlesCopy.end(); ++it) {
226
            DataHandleTreeItem* dhti = new DataHandleTreeItem(QtDataHandle(it->second), it->first, _rootItem);
227
228
229
230
            _itemMap.insert(std::make_pair(QString::fromStdString(it->first), dhti));
        }
    }

231
232
    void DataContainerTreeModel::onDataContainerChanged(const QString& key, QtDataHandle dh) {
        tgtAssert(dh.getData() != 0, "WTF - QtDataHandle with empty data?");
233
234
235

        std::map<QString, DataHandleTreeItem*>::const_iterator it = _itemMap.lower_bound(key);
        if (it == _itemMap.end() || it->first != key) {
236
            DataHandleTreeItem* dhti = new DataHandleTreeItem(dh, key.toStdString(), _rootItem);
237
            _itemMap.insert(std::make_pair(key, dhti));
238
            emit dataChanged(createIndex(dhti->getRow(), 0, dhti), createIndex(dhti->getRow(), columnCount(), dhti));
239
240
241
        }
        else {
            it->second->setDataHandle(dh);
242
            emit dataChanged(createIndex(it->second->getRow(), 0, it->second), createIndex(it->second->getRow(), columnCount(), it->second));
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
        }
    }

// = DataContainerTreeWidget ===========================================================================

    DataContainerTreeWidget::DataContainerTreeWidget(QWidget* parent /*= 0*/)
        : QTreeView(parent)
    {
        setupWidget();
    }

    DataContainerTreeWidget::~DataContainerTreeWidget() {

    }

    void DataContainerTreeWidget::update(const DataContainer* dataContainer) {
schultezub's avatar
schultezub committed
259
260
261
262
        // clear selection before setting the new data or we will encounter random crashes...
        selectionModel()->clear();

        // set new data
263
        _treeModel->setData(dataContainer);
schultezub's avatar
schultezub committed
264
265

        // adjust view
266
267
268
269
270
271
272
273
274
275
        expandAll();
        resizeColumnToContents(0);
        resizeColumnToContents(1);
    }

    void DataContainerTreeWidget::setupWidget() {
        _treeModel = new DataContainerTreeModel(this);
        tgtAssert(_treeModel != 0, "Failed creating TreeViewWidget model.");

        setModel(_treeModel);
276
277
278
279
280
281
    }

    DataContainerTreeModel* DataContainerTreeWidget::getTreeModel() {
        return _treeModel;
    }

282
283

}