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Редакция | Автор | № строки | Строка |
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48 | pingvin | 1 | #include "mymodel.h" |
2 | |||
3 | MyModel::MyModel(QObject *parent) : |
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4 | QSqlTableModel(parent) |
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5 | { |
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6 | setEditStrategy(QSqlTableModel::OnManualSubmit); |
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7 | } |
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8 | |||
9 | Qt::ItemFlags MyModel::flags( |
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10 | const QModelIndex &index) const { |
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11 | Qt::ItemFlags flags = QSqlTableModel::flags(index); |
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165 | pingvin | 12 | if ((index.column() != 3) && (index.column() != 0) /* && (index.column() != 5)*/) |
48 | pingvin | 13 | flags |= Qt::ItemIsEditable; |
14 | //if (index.column() == 4) |
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15 | // flags |= Qt::ItemIsUserCheckable; |
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51 | pingvin | 16 | else |
17 | { |
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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 | } |
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48 | pingvin | 22 | |
23 | |||
24 | bool MyModel::setData(const QModelIndex &index, const QVariant &value, int role) { |
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54 | pingvin | 25 | //// if (index.column()==3) return false; // |
48 | pingvin | 26 | bool lResult = false; |
51 | pingvin | 27 | |
28 | /* |
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29 | QString str_tmp; |
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30 | if (index.column()==1) { // |
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31 | str_tmp = value.toString(); // |
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32 | str_tmp.append(tr(" instance")); |
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33 | } |
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34 | */ |
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54 | pingvin | 35 | /* |
36 | QString str_tmp; |
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37 | if (index.column()==0) { // |
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38 | str_tmp = value.toString(); // |
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39 | str_tmp.append(tr("_instance")); |
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40 | } |
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41 | */ |
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48 | pingvin | 42 | lResult = QSqlTableModel::setData(index, value, role); |
182 | pingvin | 43 | |
44 | // if (index.column() == 5) return lResult; |
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48 | pingvin | 45 | if (lResult) { |
51 | pingvin | 46 | QModelIndex newindex; |
48 | pingvin | 47 | QSqlRecord rec = record(index.row()); |
51 | pingvin | 48 | |
182 | pingvin | 49 | if (value.isNull()) { |
50 | rec.setNull(index.column()); |
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51 | |||
52 | } |
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53 | else rec.setValue(index.column(), value); |
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54 | |||
48 | pingvin | 55 | rec.setGenerated(index.column(), true); |
51 | pingvin | 56 | |
57 | /* |
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58 | if (index.column()==1){ |
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59 | rec.setValue(index.column()+2, QVariant(str_tmp)); |
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60 | rec.setGenerated(index.column()+2, true); |
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61 | newindex = MyModel::index(index.row(), index.column()+2); |
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62 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
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63 | } |
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64 | */ |
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54 | pingvin | 65 | /* |
51 | pingvin | 66 | |
54 | pingvin | 67 | if (index.column()==0){ |
68 | rec.setValue(index.column()+3, QVariant(str_tmp)); |
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69 | rec.setGenerated(index.column()+3, true); |
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70 | newindex = MyModel::index(index.row(), index.column()+3); |
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71 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
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72 | } |
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73 | */ |
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51 | pingvin | 74 | |
48 | pingvin | 75 | lResult = updateRowInTable(index.row(), rec); |
54 | pingvin | 76 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
182 | pingvin | 77 | // submitAll(); |
78 | // this->select(); |
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51 | pingvin | 79 | |
48 | pingvin | 80 | } |
182 | pingvin | 81 | emit dataChanged(index, index);; |
48 | pingvin | 82 | return lResult; |
83 | } |
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51 | pingvin | 84 | |
85 | |||
86 | |||
87 | QVariant MyModel::data(const QModelIndex &index, int role) const { |
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88 | |||
89 | QVariant value = QSqlTableModel::data(index, role); |
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90 | switch (role) { |
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91 | case Qt::DisplayRole: return value; |
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92 | case Qt::EditRole: return value; |
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93 | case Qt::TextColorRole: |
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94 | if(index.column() == 1) |
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95 | return qVariantFromValue(QColor(Qt::blue)); |
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96 | else |
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97 | return value; |
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98 | case Qt::TextAlignmentRole: return value; |
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99 | case Qt::FontRole: |
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100 | if(index.column() == 1) { |
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101 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
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102 | return qVariantFromValue(font); |
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103 | }else |
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104 | return value; |
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105 | |||
106 | case Qt::BackgroundColorRole: { |
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107 | int a = (index.row() % 2) ? 14 : 0; |
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108 | if(index.column() == 2) |
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109 | return qVariantFromValue(QColor(220,240-a,230-a)); |
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110 | else if(index.column() == 4) |
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111 | return qVariantFromValue(QColor(200,220-a,255-a)); |
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112 | else |
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113 | return value; |
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114 | } |
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115 | |||
116 | |||
117 | |||
118 | case Qt::CheckStateRole: return value; |
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119 | |||
165 | pingvin | 120 | case Qt::SizeHintRole: |
121 | { |
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51 | pingvin | 122 | |
166 | pingvin | 123 | int height = value.toSize().height(); |
124 | int widht = value.toSize().width(); |
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125 | if(index.column() == 5) { |
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126 | QVariant currentImage = QSqlTableModel::data(index, 0); |
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127 | QByteArray bytes = currentImage.toByteArray(); |
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128 | QPixmap pxmp; |
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129 | |||
130 | |||
131 | if (currentImage.isValid()) { |
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132 | pxmp.loadFromData(bytes); |
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133 | if (height < pxmp.height()) height = pxmp.height() +10; |
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134 | if (widht < pxmp.width()) widht = pxmp.width() +10; |
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135 | return QVariant(QSize(widht, height)); |
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136 | |||
137 | } |
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138 | else return value; |
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139 | |||
140 | } |
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141 | |||
142 | |||
143 | // QSize size(200,100); |
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144 | |||
165 | pingvin | 145 | return value; |
166 | pingvin | 146 | // return QVariant(size); |
165 | pingvin | 147 | } |
148 | |||
149 | case Qt::DecorationRole: { |
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172 | pingvin | 150 | if(index.column() == 1) return iconProvider.icon(QFileIconProvider::Folder); |
151 | else return QVariant(); |
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152 | /*{ |
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165 | pingvin | 153 | QVariant currentImage = QSqlTableModel::data(index, 0); |
154 | QByteArray bytes = currentImage.toByteArray(); |
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155 | QPixmap pxmp; |
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156 | if (currentImage.isValid()) { |
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157 | pxmp.loadFromData(bytes); |
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158 | QIcon icon; |
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159 | icon.addPixmap(pxmp); |
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160 | return icon; |
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161 | |||
162 | } |
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163 | else { |
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164 | //QItemDelegate::paint(painter, option, index); |
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165 | return value; |
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166 | } |
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167 | |||
168 | } |
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169 | */ |
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170 | |||
171 | } |
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172 | |||
173 | |||
174 | |||
175 | } |
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51 | pingvin | 176 | return value; |
177 | } |
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178 |