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Редакция 202 | Редакция 204 | ||
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1 | 1 | #include "mymodel.h"
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2 | 2 | ||
3 | 3 | MyModel::MyModel(QObject *parent) : |
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4 | 4 | QSqlTableModel(parent) |
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5 | 5 | {
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6 | 6 | setEditStrategy(QSqlTableModel::OnManualSubmit); |
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7 | 7 | icon_index = -1; |
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8 | 8 | }
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9 | 9 | ||
10 | 10 | Qt::ItemFlags MyModel::flags( |
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11 | 11 | const QModelIndex &index) const { |
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12 | 12 | Qt::ItemFlags flags = QSqlTableModel::flags(index); |
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13 | 13 | ||
14 | 14 | ||
15 | 15 | ||
16 | 16 | ||
17 | 17 | /***********************************************
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18 | 18 | ||
19 | 19 | if ((index.column() != 3) && (index.column() != 0))
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20 | 20 | flags |= Qt::ItemIsEditable;
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21 | 21 | //if (index.column() == 4)
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22 | 22 | // flags |= Qt::ItemIsUserCheckable;
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23 | 23 | else
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24 | 24 | {
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25 | 25 | if ((index.column() == 3) || (index.column() == 0)) flags &= ~Qt::ItemIsEditable; // çàïðåùàåì ðåäàêòèðîâàíèå òðåòüåãî ñòîëáöà
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26 | 26 | }
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27 | 27 | ||
28 | 28 | *************************************************/
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29 | 29 | ||
30 | 30 | if (bolleans_list.indexOf(index.column()) != -1) |
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31 | 31 | {
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32 | 32 | flags |= Qt::ItemIsUserCheckable; // åñëè â ñòîëáöå òèï "BOOL", äåëàåì åãî âèáèðàåìûì |
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33 | 33 | //flags |= Qt::ItemIsEnabled;
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34 | 34 | flags &= ~Qt::ItemIsEditable; |
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35 | 35 | }
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36 | 36 | ||
37 | 37 | return flags; // òåêóùèé ñòîëáåö |
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38 | 38 | ||
39 | 39 | ||
40 | 40 | }
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41 | 41 | ||
42 | 42 | ||
43 | 43 | bool MyModel::setData(const QModelIndex &index, const QVariant &value, int role) { |
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44 | - | ||
45 | 44 | bool lResult = false; |
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- | 45 | if (bolleans_list.indexOf(index.column()) != -1) { |
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46 | 46 | ||
47 | - | ||
48 | - | ||
49 | - | ||
50 | 47 | lResult = QSqlTableModel::setData(index, value, Qt::EditRole); |
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51 | - | ||
52 | - | ||
53 | - | ||
54 | - | ||
55 | - | ||
56 | - | ||
57 | - | ||
58 | - | ||
59 | - | ||
60 | - | ||
61 | 48 | ||
- | 49 | MyModel::submitAll(); |
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62 | 50 | ||
63 | 51 | }
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64 | 52 | ||
65 | 53 | ||
66 | 54 | ||
67 | - | ||
68 | - | ||
69 | - | ||
70 | - | ||
71 | - | ||
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74 | - | ||
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81 | - | ||
82 | - | ||
83 | - | ||
84 | 55 | ||
85 | - | ||
86 | 56 | ||
87 | 57 | ||
- | 58 | else
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- | 59 | {
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88 | 60 | lResult = QSqlTableModel::setData(index, value, role); |
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- | 61 | if (lResult) { |
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- | 62 | QModelIndex newindex;
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- | 63 | QSqlRecord rec = record(index.row()); |
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89 | 64 | ||
90 | 65 | if (value.isNull()) { |
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91 | 66 | rec.setNull(index.column()); |
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92 | 67 | ||
93 | 68 | }
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94 | 69 | else rec.setValue(index.column(), value); |
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95 | 70 | ||
- | 71 | rec.setGenerated(index.column(), true); |
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96 | 72 | lResult = updateRowInTable(index.row(), rec); |
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97 | 73 | ||
98 | - | ||
99 | - | ||
100 | - | ||
101 | - | ||
102 | - | ||
103 | - | ||
104 | - | ||
105 | 74 | ||
106 | - | ||
107 | - | ||
108 | - | ||
109 | - | ||
110 | 75 | ||
111 | 76 | ||
- | 77 | ||
- | 78 | ||
- | 79 | }
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- | 80 | if (value.isNull()) { |
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- | 81 | select(); |
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- | 82 | emit dataChanged(index, index); |
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- | 83 | }
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- | 84 | ||
- | 85 | }
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- | 86 | ||
112 | 87 | return lResult; |
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- | 88 | ||
- | 89 | ||
- | 90 | ||
- | 91 | ||
- | 92 | ||
- | 93 | }
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- | 94 | ||
- | 95 | ||
- | 96 | ||
- | 97 | QVariant MyModel::data(const QModelIndex &index, int role) const { |
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- | 98 | ||
- | 99 | QHash<int, bool> check; |
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- | 100 | QVariant value = QSqlTableModel::data(index, role); |
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- | 101 | QList <int> keys; |
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- | 102 | QStringList values;
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- | 103 | QList <int> files_keys; |
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- | 104 | QStringList files_values;
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- | 105 | keys = pointers_map.keys(); // ñïèñîê ñòîëáöîâ ñ óêàçàòåëÿìè |
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- | 106 | values = pointers_map.values(); // ñïèñîê òàáëèö-õðàíèëèù îáúåêòîâ ðîäèòåëüñêèõ êëàññîâ |
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- | 107 | files_keys = files_map.keys(); // ñïèñîê íîìåðîâ ñòîëáöîâ, õðàíÿùèõ ôàéëû |
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- | 108 | files_values = files_map.values(); // ñïèñîê èìåò ñòîëáöîâ, õðàíÿùèõ ôàéëû |
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- | 109 | ||
- | 110 | switch (role) { |
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- | 111 | case Qt::DisplayRole: |
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- | 112 | {
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- | 113 | //if (check.contains(index.column()) && check.value(index.column()))
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- | 114 | // return value.toInt() != 0 ? tr("Yes") : tr("No");
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- | 115 | if (bolleans_list.indexOf(index.column()) != -1) |
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- | 116 | {
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- | 117 | return value.toInt() != 0 ? tr("Äà") : tr("Íåò"); // äëÿ êîëîíîê ñ òèïîì "BOOL" |
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- | 118 | }
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- | 119 | int index_of_list; |
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- | 120 | index_of_list = keys.indexOf(index.column()); |
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- | 121 | ||
- | 122 | if (index_of_list == -1){ // ñòîëáåö íå ÿâëÿåòñÿ óêàçàòåëåì, ïðîâåðèì, ìîæåò îí õðàíèò ôàéë |
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- | 123 | index_of_list = files_keys.indexOf(index.column()); |
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- | 124 | if (index_of_list == -1) return value; // íåò, ñòîëáåö íå õðàíèò ôàéë |
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- | 125 | QString file_name;
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- | 126 | QByteArray data_tmp;
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- | 127 | data_tmp = value.toByteArray(); |
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- | 128 | if (data_tmp.isEmpty() || data_tmp.isNull()) return value; |
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- | 129 | else { |
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- | 130 | QDataStream out (&data_tmp,QIODevice::ReadOnly); |
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- | 131 | out >> file_name; |
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- | 132 | return file_name; |
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- | 133 | }
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- | 134 | }
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- | 135 | else { |
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- | 136 | QString parentInctance;
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- | 137 | QSqlQuery q;
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- | 138 | QString sql_str;
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- | 139 | bool ok; |
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- | 140 | parentInctance = values.at(index_of_list); |
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- | 141 | sql_str = tr("select * from `"); |
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- | 142 | sql_str.append(parentInctance); |
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- | 143 | sql_str.append(tr("` ")); |
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- | 144 | sql_str.append(tr("where `ID` = ")); |
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- | 145 | sql_str.append(value.toString()); |
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- | 146 | q.prepare(sql_str); |
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- | 147 | ok = q.exec(); |
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- | 148 | ||
- | 149 | if (ok) { |
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- | 150 | while(q.next()){ |
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- | 151 | QString object_name = q.value(1).toString(); |
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- | 152 | if (!object_name.isEmpty()) return object_name; |
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- | 153 | ||
- | 154 | }
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- | 155 | }
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- | 156 | int ii; |
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- | 157 | ii++; |
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- | 158 | ||
- | 159 | ||
- | 160 | }
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- | 161 | return value; |
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- | 162 | ||
- | 163 | }
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- | 164 | // if (index.column() == 1)
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- | 165 | // return value.toString().prepend(tr("¹ "));
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- | 166 | ||
- | 167 | ||
- | 168 | case Qt::EditRole: |
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- | 169 | if (bolleans_list.indexOf(index.column()) == -1) return value; // òåêóùèé ñòîëáåö |
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- | 170 | ||
- | 171 | else { |
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- | 172 | return value.toInt() != 0 ? tr("Äà") : tr("Íåò"); |
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- | 173 | ||
- | 174 | }
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- | 175 | ///return value;
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- | 176 | // if (index.column() == 1)
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- | 177 | // return value.toString().prepend(tr("¹ "));
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- | 178 | ||
- | 179 | ||
- | 180 | ||
- | 181 | ||
- | 182 | case Qt::TextColorRole: |
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- | 183 | if(index.column() == 1) |
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- | 184 | return qVariantFromValue(QColor(Qt::blue)); |
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- | 185 | else
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- | 186 | return value; |
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- | 187 | case Qt::TextAlignmentRole: return value; |
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- | 188 | case Qt::FontRole: |
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- | 189 | if(index.column() == 1) { |
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- | 190 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
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- | 191 | return qVariantFromValue(font); |
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- | 192 | }else |
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- | 193 | return value; |
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- | 194 | ||
- | 195 | case Qt::BackgroundColorRole: { |
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- | 196 | int a = (index.row() % 2) ? 14 : 0; |
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- | 197 | if(index.column() == 2) |
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- | 198 | return qVariantFromValue(QColor(220,240-a,230-a)); |
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- | 199 | else if(index.column() == 4) |
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- | 200 | return qVariantFromValue(QColor(200,220-a,255-a)); |
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- | 201 | else
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- | 202 | return value; |
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- | 203 | }
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- | 204 | ||
- | 205 | ||
- | 206 | ||
- | 207 | case Qt::CheckStateRole: |
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- | 208 | {
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- | 209 | ||
- | 210 | if (bolleans_list.indexOf(index.column()) == - |