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Редакция | Автор | № строки | Строка |
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61 | pingvin | 1 | #include "modelfordescriptiontable.h" |
2 | |||
3 | ModelForDescriptionTable::ModelForDescriptionTable(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 ModelForDescriptionTable::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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62 | pingvin | 12 | if ((index.column() != 5) && (index.column() != 0)) |
61 | pingvin | 13 | flags |= Qt::ItemIsEditable; |
14 | //if (index.column() == 4) |
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15 | // flags |= Qt::ItemIsUserCheckable; |
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16 | else |
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17 | { |
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62 | pingvin | 18 | if ((index.column() == 0) || (index.column() == 5)) flags &= ~Qt::ItemIsEditable; // |
61 | pingvin | 19 | } |
20 | return flags; |
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21 | } |
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22 | |||
23 | |||
24 | bool ModelForDescriptionTable::setData(const QModelIndex &index, const QVariant &value, int role) { |
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25 | //// if (index.column()==3) return false; // |
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26 | bool lResult = false; |
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75 | pingvin | 27 | QVariant old_value; // |
28 | old_value = data(index); |
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61 | pingvin | 29 | |
75 | pingvin | 30 | |
31 | if (index.column()==1){ // |
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32 | QSqlQuery qu; |
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33 | QString old_field_name; // |
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34 | QString new_field_name; // |
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35 | QString query_str; |
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36 | QString type_str; // |
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37 | old_field_name = old_value.toString(); // ( ) |
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38 | new_field_name = value.toString(); |
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39 | type_str = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // 3 , |
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40 | query_str = tr("ALTER TABLE "); |
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41 | query_str.append(ModelForDescriptionTable::Inctance); |
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42 | query_str.append(tr(" CHANGE COLUMN `")); |
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43 | query_str.append(old_field_name); |
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44 | query_str.append(tr("` `")); |
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45 | query_str.append(new_field_name); |
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46 | query_str.append(tr("` ")); |
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47 | query_str.append(type_str); |
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48 | query_str.append(tr(" CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL")); |
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49 | qu.prepare(query_str); |
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50 | bool ok; |
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51 | ok = qu.exec(); |
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52 | if (!ok) return false; |
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79 | pingvin | 53 | } |
75 | pingvin | 54 | |
55 | |||
81 | pingvin | 56 | if (index.column()==3){ // |
77 | pingvin | 57 | ///ALTER TABLE `an_db`.`1_Inctance` MODIFY COLUMN `int` INTEGER; |
79 | pingvin | 58 | |
59 | bool ok; |
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80 | pingvin | 60 | ok = QSqlTableModel::setData(ModelForDescriptionTable::index(index.row(), 4), QVariant(tr("NULL")), Qt::EditRole); // |
79 | pingvin | 61 | if (ok) { |
62 | |||
63 | |||
77 | pingvin | 64 | QSqlQuery qu; |
65 | QString old_type, new_type, field_name, query_str; |
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66 | old_type = old_value.toString(); // ( ) |
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67 | new_type = value.toString(); // |
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68 | field_name = data(ModelForDescriptionTable::index(index.row(), 1)).toString(); // 1 , |
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69 | query_str = tr("ALTER TABLE "); |
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70 | query_str.append(ModelForDescriptionTable::Inctance); |
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71 | query_str.append(tr(" MODIFY COLUMN `")); |
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72 | query_str.append(field_name); |
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73 | query_str.append(tr("` ")); |
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74 | query_str.append(new_type); |
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75 | qu.prepare(query_str); |
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79 | pingvin | 76 | |
77 | pingvin | 77 | ok = qu.exec(); |
78 | if (!ok) return false; |
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78 | pingvin | 79 | } |
79 | pingvin | 80 | else return false; |
81 | } |
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81 | pingvin | 82 | |
83 | if (index.column()==4){ // |
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78 | pingvin | 84 | ///ALTER TABLE `an_db`.`2_Inctance` MODIFY COLUMN `` CHAR(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT ''; |
85 | QSqlQuery qu; |
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86 | QString field_type, new_default_value, field_name, query_str; |
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87 | |||
88 | field_type = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // 3 , |
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89 | field_name = data(ModelForDescriptionTable::index(index.row(), 1)).toString(); // 1 , |
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90 | new_default_value = value.toString(); |
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91 | query_str = tr("ALTER TABLE "); |
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92 | query_str.append(ModelForDescriptionTable::Inctance); |
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93 | query_str.append(tr(" MODIFY COLUMN `")); |
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94 | query_str.append(field_name); |
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95 | query_str.append(tr("` ")); |
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96 | query_str.append(field_type); |
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97 | |||
98 | if (new_default_value != tr("NULL")) { |
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99 | query_str.append(tr(" DEFAULT '")); |
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100 | |||
101 | |||
102 | query_str.append(new_default_value); |
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103 | query_str.append(tr("'")); } |
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104 | else { |
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105 | query_str.append(tr(" DEFAULT ")); // NULL |
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106 | query_str.append(new_default_value); |
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107 | } |
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108 | qu.prepare(query_str); |
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109 | bool ok; |
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110 | ok = qu.exec(); |
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111 | if (!ok) return false; |
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112 | |||
77 | pingvin | 113 | } |
114 | |||
78 | pingvin | 115 | |
116 | QSqlRecord rec = record(index.row()); |
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117 | rec.setValue(index.column(), value); |
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118 | rec.setGenerated(index.column(), true); |
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119 | |||
120 | |||
77 | pingvin | 121 | lResult = QSqlTableModel::setData(index, value, role); |
122 | if (lResult) { |
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61 | pingvin | 123 | lResult = updateRowInTable(index.row(), rec); |
77 | pingvin | 124 | emit field_changed(); |
61 | pingvin | 125 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
81 | pingvin | 126 | } |
61 | pingvin | 127 | |
128 | |||
77 | pingvin | 129 | |
130 | |||
81 | pingvin | 131 | return lResult; |
132 | } |
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77 | pingvin | 133 | |
134 | |||
81 | pingvin | 135 | |
136 | |||
137 | bool ModelForDescriptionTable::onlySetData(const QModelIndex &index, const QVariant &value, int role){ |
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138 | bool lResult = false; |
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139 | |||
140 | QSqlRecord rec = record(index.row()); |
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141 | rec.setValue(index.column(), value); |
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142 | rec.setGenerated(index.column(), true); |
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143 | |||
144 | |||
145 | lResult = QSqlTableModel::setData(index, value, role); |
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146 | if (lResult) { |
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147 | lResult = updateRowInTable(index.row(), rec); |
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148 | // emit field_changed(); |
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149 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole); |
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150 | } |
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151 | |||
152 | |||
153 | |||
154 | |||
155 | return lResult; |
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156 | |||
61 | pingvin | 157 | } |
158 | |||
159 | |||
160 | |||
81 | pingvin | 161 | |
162 | |||
61 | pingvin | 163 | QVariant ModelForDescriptionTable::data(const QModelIndex &index, int role) const { |
164 | |||
165 | QVariant value = QSqlTableModel::data(index, role); |
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166 | switch (role) { |
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167 | case Qt::DisplayRole: return value; |
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168 | case Qt::EditRole: return value; |
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169 | case Qt::TextColorRole: |
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170 | if(index.column() == 1) |
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171 | return qVariantFromValue(QColor(Qt::darkGreen)); |
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172 | else |
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173 | return value; |
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174 | case Qt::TextAlignmentRole: return value; |
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175 | case Qt::FontRole: |
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176 | if(index.column() == 1) { |
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177 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
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178 | return qVariantFromValue(font); |
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179 | }else |
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180 | return value; |
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181 | |||
182 | case Qt::BackgroundColorRole: { |
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183 | int a = (index.row() % 2) ? 14 : 0; |
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184 | if(index.column() == 2) |
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185 | return qVariantFromValue(QColor(220,240-a,230-a)); |
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62 | pingvin | 186 | else if(index.column() == 6) |
61 | pingvin | 187 | return qVariantFromValue(QColor(200,220-a,255-a)); |
188 | else |
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189 | return value; |
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190 | } |
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191 | |||
192 | |||
193 | |||
194 | case Qt::CheckStateRole: return value; |
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195 | |||
196 | case Qt::SizeHintRole:return value; |
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197 | |||
198 | } |
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199 | return value; |
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200 | } |
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75 | pingvin | 201 | |
202 | |||
203 | void ModelForDescriptionTable::setInctance(QString currInctatce){ // - |
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204 | ModelForDescriptionTable::Inctance = currInctatce; |
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205 | } |