summaryrefslogtreecommitdiff
path: root/TelepathyQt4Yell/Models/tree-node.cpp
blob: e805954ce31b3f8310622e7b4089edf342f3d23d (plain)
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
/*
 * This file is part of TelepathyQt4Yell Models
 *
 * Copyright (C) 2010 Collabora Ltd. <http://www.collabora.co.uk/>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <TelepathyQt4Yell/Models/TreeNode>

#include "TelepathyQt4Yell/Models/_gen/tree-node.moc.hpp"

namespace Tpy
{

struct TELEPATHY_QT4_YELL_MODELS_NO_EXPORT TreeNode::Private
{
    Private() :
        mParent(0)
    {
    }

    ~Private()
    {
        qDeleteAll(mChildren);
        mChildren.clear();
    }

    QList<TreeNode *> mChildren;
    TreeNode *mParent;
};

TreeNode::TreeNode()
    : mPriv(new Private())
{
}

TreeNode::~TreeNode()
{
    if (mPriv->mParent) {
        mPriv->mParent->mPriv->mChildren.removeOne(this);
    }
    delete mPriv;
}

TreeNode *TreeNode::childAt(int index) const
{
    return mPriv->mChildren[index];
}

void TreeNode::addChild(TreeNode *node)
{
    // takes ownership of node
    mPriv->mChildren.append(node);
    node->mPriv->mParent = this;

    // set the parent QObject so that the node doesn't get deleted if used
    // from QML/QtScript
    node->setParent(this);

    // chain changed and removed signals
    connect(node,
            SIGNAL(changed(Tpy::TreeNode*)),
            SIGNAL(changed(Tpy::TreeNode*)));
    connect(node,
            SIGNAL(childrenAdded(Tpy::TreeNode*,QList<Tpy::TreeNode*>)),
            SIGNAL(childrenAdded(Tpy::TreeNode*,QList<Tpy::TreeNode*>)));
    connect(node,
            SIGNAL(childrenRemoved(Tpy::TreeNode*,int,int)),
            SIGNAL(childrenRemoved(Tpy::TreeNode*,int,int)));
}

int TreeNode::indexOf(TreeNode *node) const {
    return mPriv->mChildren.indexOf(node);
}

int TreeNode::size() const {
    return mPriv->mChildren.size();
}

TreeNode *TreeNode::parent() const
{
    return mPriv->mParent;
}

QVariant TreeNode::data(int role) const
{
    return QVariant();
}

bool TreeNode::setData(int role, const QVariant &value)
{
    return false;
}

void TreeNode::remove()
{
    if (mPriv->mParent) {
        disconnect(this,
                   SIGNAL(changed(Tpy::TreeNode*)),
                   mPriv->mParent,
                   SIGNAL(changed(Tpy::TreeNode*)));
        disconnect(this,
                   SIGNAL(childrenAdded(Tpy::TreeNode*,QList<Tpy::TreeNode*>)),
                   mPriv->mParent,
                   SIGNAL(childrenAdded(Tpy::TreeNode*,QList<Tpy::TreeNode*>)));
        disconnect(this,
                   SIGNAL(childrenRemoved(Tpy::TreeNode*,int,int)),
                   mPriv->mParent,
                   SIGNAL(childrenRemoved(Tpy::TreeNode*,int,int)));
    }
    deleteLater();
}

}