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41
42 #include <QGraphicsGridLayout>
43 #include <QDebug>
44
45 #include "recycledlistitem.h"
46 #include "listmodel.h"
47
48 static const int MinItemHeight = 70;
49 static const int MinItemWidth = 276;
50
RecycledListItem(QGraphicsWidget * parent)51 RecycledListItem::RecycledListItem(QGraphicsWidget *parent)
52 : AbstractViewItem(parent),
53 m_item(new ListItem(this)),
54 m_item2(0),
55 m_model(0),
56 m_layout(new QGraphicsGridLayout())
57 {
58 m_item->setMinimumWidth(MinItemWidth);
59 setContentsMargins(0,0,0,0);
60 setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
61 m_layout->addItem(m_item, 0, 0);
62 setLayout(m_layout);
63 m_layout->setContentsMargins(0,0,0,0);
64 m_layout->setSpacing(0);
65 m_layout->setHorizontalSpacing(0.0);
66 m_layout->setVerticalSpacing(0.0);
67 }
68
~RecycledListItem()69 RecycledListItem::~RecycledListItem()
70 {
71 }
72
setModel(QAbstractItemModel * model)73 void RecycledListItem::setModel(QAbstractItemModel *model)
74 {
75 m_model = model;
76 }
77
78 /*virtual*/
newItemInstance()79 AbstractViewItem *RecycledListItem::newItemInstance()
80 {
81 RecycledListItem* item = new RecycledListItem();
82 return item;
83 }
84
effectiveSizeHint(Qt::SizeHint which,const QSizeF & constraint) const85 QSizeF RecycledListItem::effectiveSizeHint(Qt::SizeHint which, const QSizeF &constraint) const
86 {
87 QSizeF s = m_item->effectiveSizeHint(which,constraint);
88 if (m_item2)
89 s.setWidth(s.width()*2);
90 if (s.height()<MinItemHeight)
91 s.setHeight(MinItemHeight);
92 return s;
93 }
94
data(int role) const95 QVariant RecycledListItem::data(int role) const
96 {
97 if (m_item && role == Qt::DisplayRole)
98 return m_item->data();
99
100 return QVariant();
101 }
102
setData(const QVariant & value,int role)103 void RecycledListItem::setData(const QVariant &value, int role)
104 {
105 if (m_item && role == Qt::DisplayRole) {
106 m_item->setData(value);
107 if (m_item2) {
108 m_item2->setData(value);
109 }
110 }
111 }
112
113 /*virtual*/
resizeEvent(QGraphicsSceneResizeEvent * event)114 void RecycledListItem::resizeEvent(QGraphicsSceneResizeEvent *event)
115 {
116 AbstractViewItem::resizeEvent(event);
117 }
118
updateItemContents()119 void RecycledListItem::updateItemContents()
120 {
121 AbstractViewItem::updateItemContents();
122 if (m_model && m_index.isValid())
123 setData(m_model->data(m_index,Qt::DisplayRole), Qt::DisplayRole);
124 }
125
setTwoColumns(const bool enabled)126 void RecycledListItem::setTwoColumns(const bool enabled)
127 {
128 if (m_item2 && enabled)
129 return;
130
131 if (enabled) {
132 m_item2 = new ListItem();
133 m_item2->setMinimumWidth(MinItemWidth);
134 m_layout->addItem(m_item2, 0, 1);
135 updateItemContents();
136 }
137 else {
138 if (m_layout->count() > 1) {
139 m_layout->removeAt(1);
140 }
141 delete m_item2;
142 m_item2 = 0;
143 }
144
145 if (!m_layout->isActivated())
146 m_layout->activate();
147 }
148