git.iko.soy/unity8
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unity8/plugins/Unity/filters.cpp
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1/*
2 * Copyright (C) 2011, 2013 Canonical, Ltd.
3 *
4 * Authors:
5 * Florian Boucault <florian.boucault@canonical.com>
6 * Pawel Stolowski <pawel.stolowski@canonical.com>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; version 3.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 */
21// Self
22#include "filters.h"
24// Local
25#include "filter.h"
27// Qt
28#include <QDebug>
30Filters::Filters(unity::dash::Filters::Ptr unityFilters, QObject *parent) :
31 QAbstractListModel(parent), m_unityFilters(unityFilters)
33 // setup roles
34 m_roles[Filters::RoleId] = "id";
35 m_roles[Filters::RoleName] = "name";
36 m_roles[Filters::RoleIconHint] = "iconHint";
37 m_roles[Filters::RoleRendererName] = "rendererName";
38 m_roles[Filters::RoleVisible] = "visible";
39 m_roles[Filters::RoleCollapsed] = "collapsed";
40 m_roles[Filters::RoleFiltering] = "filtering";
42 for (unsigned int i=0; i<m_unityFilters->count(); i++) {
43 unity::dash::Filter::Ptr unityFilter = m_unityFilters->FilterAtIndex(i);
44 addFilter(unityFilter, i);
45 }
46 m_unityFilters->filter_added.connect(sigc::mem_fun(this, &Filters::onFilterAdded));
47 m_unityFilters->filter_changed.connect(sigc::mem_fun(this, &Filters::onFilterChanged));
48 m_unityFilters->filter_removed.connect(sigc::mem_fun(this, &Filters::onFilterRemoved));
51Filters::~Filters()
53 while (!m_filters.isEmpty()) {
54 delete m_filters.takeFirst();
55 }
58int Filters::rowCount(const QModelIndex& parent) const
60 Q_UNUSED(parent)
62 return m_unityFilters->count();
65QVariant Filters::data(const QModelIndex& index, int role) const
67 if (!index.isValid()) {
68 return QVariant();
69 }
71 Filter* filter = m_filters.at(index.row());
72 switch (role)
73 {
74 case Filters::RoleId:
75 return filter->id();
76 case Filters::RoleName:
77 case Qt::DisplayRole:
78 return filter->name();
79 case Filters::RoleIconHint:
80 return filter->iconHint();
81 case Filters::RoleRendererName:
82 return filter->rendererName();
83 case Filters::RoleVisible:
84 return filter->visible();
85 case Filters::RoleCollapsed:
86 return filter->collapsed();
87 case Filters::RoleFiltering:
88 return filter->filtering();
89 default:
90 break;
91 }
92 return QVariant();
95QHash<int, QByteArray> Filters::roleNames() const
97 return m_roles;
100Filter* Filters::getFilter(const QString& id) const
102 Q_FOREACH (Filter* filter, m_filters) {
103 if (filter->id() == id) {
104 return filter;
105 }
106 }
107 return nullptr;
110void Filters::onFilterAdded(unity::dash::Filter::Ptr unityFilter)
112 if (unityFilter == nullptr) {
113 return;
114 }
116 int index = m_filters.count();
117 addFilter(unityFilter, index);
120void Filters::onFilterChanged(unity::dash::Filter::Ptr unityFilter)
122 if (unityFilter == nullptr) {
123 return;
124 }
126 QModelIndex filterIndex = index(indexForFilter(unityFilter));
127 Q_EMIT dataChanged(filterIndex, filterIndex);
130void Filters::onFilterRemoved(unity::dash::Filter::Ptr unityFilter)
132 removeFilter(indexForFilter(unityFilter));
135void Filters::addFilter(unity::dash::Filter::Ptr unityFilter, int index)
137 beginInsertRows(QModelIndex(), index, index);
138 Filter* filter = Filter::newFromUnityFilter(unityFilter);
139 if (filter != nullptr) {
140 m_filters.insert(index, filter);
141 }
142 endInsertRows();
145void Filters::removeFilter(int index)
147 beginRemoveRows(QModelIndex(), index, index);
148 Filter* filter = m_filters.takeAt(index);
149 delete filter;
150 endRemoveRows();
153int Filters::indexForFilter(unity::dash::Filter::Ptr unityFilter)
155 for (int index=0; index<m_filters.count(); index++) {
156 if (m_filters[index]->hasUnityFilter(unityFilter)) {
157 return index;
158 }
159 }
160 qWarning() << "Filter" << QString::fromStdString(unityFilter->name()) << "not found in local cache.";
161 return -1;