Редакция 165 | Редакция 172 | К новейшей редакции | Содержимое файла | Сравнить с предыдущей | Последнее изменение | Открыть журнал | RSS
Редакция | Автор | № строки | Строка |
---|---|---|---|
48 | pingvin | 1 | #include "mymodel.h" |
2 | |||
3 | MyModel::MyModel(QObject *parent) : |
||
4 | QSqlTableModel(parent) |
||
5 | { |
||
6 | setEditStrategy(QSqlTableModel::OnManualSubmit); |
||
7 | } |
||
8 | |||
9 | Qt::ItemFlags MyModel::flags( |
||
10 | const QModelIndex &index) const { |
||
11 | Qt::ItemFlags flags = QSqlTableModel::flags(index); |
||
165 | pingvin | 12 | if ((index.column() != 3) && (index.column() != 0) /* && (index.column() != 5)*/) |
48 | pingvin | 13 | flags |= Qt::ItemIsEditable; |
14 | //if (index.column() == 4) |
||
15 | // flags |= Qt::ItemIsUserCheckable; |
||
51 | pingvin | 16 | else |
17 | { |
||
165 | pingvin | 18 | if ((index.column() == 3) || (index.column() == 0) /* || (index.column() == 5)*/) flags &= ~Qt::ItemIsEditable; // 0, 3 5 |
48 | pingvin | 19 | } |
51 | pingvin | 20 | return flags; |
21 | } |
||
48 | pingvin | 22 | |
23 | |||
24 | bool MyModel::setData(const QModelIndex &index, const QVariant &value, int role) { |
||
54 | pingvin | 25 | //// if (index.column()==3) return false; // |
48 | pingvin | 26 | bool lResult = false; |
51 | pingvin | 27 | |
28 | /* |
||
29 | QString str_tmp; |
||
30 | if (index.column()==1) { // |
||
31 | str_tmp = value.toString(); // |
||
32 | str_tmp.append(tr(" instance")); |
||
33 | } |
||
34 | */ |
||
54 | pingvin | 35 | /* |
36 | QString str_tmp; |
||
37 | if (index.column()==0) { // |
||
38 | str_tmp = value.toString(); // |
||
39 | str_tmp.append(tr("_instance")); |
||
40 | } |
||
41 | */ |
||
48 | pingvin | 42 | lResult = QSqlTableModel::setData(index, value, role); |
43 | if (lResult) { |
||
51 | pingvin | 44 | QModelIndex newindex; |
48 | pingvin | 45 | QSqlRecord rec = record(index.row()); |
51 | pingvin | 46 | |
48 | pingvin | 47 | rec.setValue(index.column(), value); |
48 | rec.setGenerated(index.column(), true); |
||
51 | pingvin | 49 | |
50 | /* |
||
51 | if (index.column()==1){ |
||
52 | rec.setValue(index.column()+2, QVariant(str_tmp)); |
||
53 | rec.setGenerated(index.column()+2, true); |
||
54 | newindex = MyModel::index(index.row(), index.column()+2); |
||
55 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
||
56 | } |
||
57 | */ |
||
54 | pingvin | 58 | /* |
51 | pingvin | 59 | |
54 | pingvin | 60 | if (index.column()==0){ |
61 | rec.setValue(index.column()+3, QVariant(str_tmp)); |
||
62 | rec.setGenerated(index.column()+3, true); |
||
63 | newindex = MyModel::index(index.row(), index.column()+3); |
||
64 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
||
65 | } |
||
66 | */ |
||
51 | pingvin | 67 | |
48 | pingvin | 68 | lResult = updateRowInTable(index.row(), rec); |
54 | pingvin | 69 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
51 | pingvin | 70 | |
71 | |||
48 | pingvin | 72 | } |
73 | return lResult; |
||
74 | } |
||
51 | pingvin | 75 | |
76 | |||
77 | |||
78 | QVariant MyModel::data(const QModelIndex &index, int role) const { |
||
79 | |||
80 | QVariant value = QSqlTableModel::data(index, role); |
||
81 | switch (role) { |
||
82 | case Qt::DisplayRole: return value; |
||
83 | case Qt::EditRole: return value; |
||
84 | case Qt::TextColorRole: |
||
85 | if(index.column() == 1) |
||
86 | return qVariantFromValue(QColor(Qt::blue)); |
||
87 | else |
||
88 | return value; |
||
89 | case Qt::TextAlignmentRole: return value; |
||
90 | case Qt::FontRole: |
||
91 | if(index.column() == 1) { |
||
92 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
||
93 | return qVariantFromValue(font); |
||
94 | }else |
||
95 | return value; |
||
96 | |||
97 | case Qt::BackgroundColorRole: { |
||
98 | int a = (index.row() % 2) ? 14 : 0; |
||
99 | if(index.column() == 2) |
||
100 | return qVariantFromValue(QColor(220,240-a,230-a)); |
||
101 | else if(index.column() == 4) |
||
102 | return qVariantFromValue(QColor(200,220-a,255-a)); |
||
103 | else |
||
104 | return value; |
||
105 | } |
||
106 | |||
107 | |||
108 | |||
109 | case Qt::CheckStateRole: return value; |
||
110 | |||
165 | pingvin | 111 | case Qt::SizeHintRole: |
112 | { |
||
51 | pingvin | 113 | |
166 | pingvin | 114 | int height = value.toSize().height(); |
115 | int widht = value.toSize().width(); |
||
116 | if(index.column() == 5) { |
||
117 | QVariant currentImage = QSqlTableModel::data(index, 0); |
||
118 | QByteArray bytes = currentImage.toByteArray(); |
||
119 | QPixmap pxmp; |
||
120 | |||
121 | |||
122 | if (currentImage.isValid()) { |
||
123 | pxmp.loadFromData(bytes); |
||
124 | if (height < pxmp.height()) height = pxmp.height() +10; |
||
125 | if (widht < pxmp.width()) widht = pxmp.width() +10; |
||
126 | return QVariant(QSize(widht, height)); |
||
127 | |||
128 | } |
||
129 | else return value; |
||
130 | |||
131 | } |
||
132 | |||
133 | |||
134 | // QSize size(200,100); |
||
135 | |||
165 | pingvin | 136 | return value; |
166 | pingvin | 137 | // return QVariant(size); |
165 | pingvin | 138 | } |
139 | |||
140 | case Qt::DecorationRole: { |
||
141 | /* if(index.column() == 5) { |
||
142 | QVariant currentImage = QSqlTableModel::data(index, 0); |
||
143 | QByteArray bytes = currentImage.toByteArray(); |
||
144 | QPixmap pxmp; |
||
145 | if (currentImage.isValid()) { |
||
146 | pxmp.loadFromData(bytes); |
||
147 | QIcon icon; |
||
148 | icon.addPixmap(pxmp); |
||
149 | return icon; |
||
150 | |||
151 | } |
||
152 | else { |
||
153 | //QItemDelegate::paint(painter, option, index); |
||
154 | return value; |
||
155 | } |
||
156 | |||
157 | } |
||
158 | */ |
||
159 | |||
160 | } |
||
161 | |||
162 | |||
163 | |||
164 | } |
||
51 | pingvin | 165 | return value; |
166 | } |
||
167 |