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Редакция 76 | Редакция 77 | ||
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1 | #include "modelfordescriptiontable.h"
|
1 | #include "modelfordescriptiontable.h"
|
2 | 2 | ||
3 | ModelForDescriptionTable::ModelForDescriptionTable(QObject *parent) : |
3 | ModelForDescriptionTable::ModelForDescriptionTable(QObject *parent) : |
4 | QSqlTableModel(parent) |
4 | QSqlTableModel(parent) |
5 | {
|
5 | {
|
6 | setEditStrategy(QSqlTableModel::OnManualSubmit); |
6 | setEditStrategy(QSqlTableModel::OnManualSubmit); |
7 | }
|
7 | }
|
8 | 8 | ||
9 | Qt::ItemFlags ModelForDescriptionTable::flags( |
9 | Qt::ItemFlags ModelForDescriptionTable::flags( |
10 | const QModelIndex &index) const { |
10 | const QModelIndex &index) const { |
11 | Qt::ItemFlags flags = QSqlTableModel::flags(index); |
11 | Qt::ItemFlags flags = QSqlTableModel::flags(index); |
12 | if ((index.column() != 5) && (index.column() != 0)) |
12 | if ((index.column() != 5) && (index.column() != 0)) |
13 | flags |= Qt::ItemIsEditable; |
13 | flags |= Qt::ItemIsEditable; |
14 | //if (index.column() == 4)
|
14 | //if (index.column() == 4)
|
15 | // flags |= Qt::ItemIsUserCheckable;
|
15 | // flags |= Qt::ItemIsUserCheckable;
|
16 | else
|
16 | else
|
17 | {
|
17 | {
|
18 | if ((index.column() == 0) || (index.column() == 5)) flags &= ~Qt::ItemIsEditable; // çàïðåùàåì ðåäàêòèðîâàíèå òðåòüåãî ñòîëáöà |
18 | if ((index.column() == 0) || (index.column() == 5)) flags &= ~Qt::ItemIsEditable; // çàïðåùàåì ðåäàêòèðîâàíèå òðåòüåãî ñòîëáöà |
19 | }
|
19 | }
|
20 | return flags; |
20 | return flags; |
21 | }
|
21 | }
|
22 | 22 | ||
23 | 23 | ||
24 | bool ModelForDescriptionTable::setData(const QModelIndex &index, const QVariant &value, int role) { |
24 | bool ModelForDescriptionTable::setData(const QModelIndex &index, const QVariant &value, int role) { |
25 | //// if (index.column()==3) return false; // â òðåòüåé êîëîíêå íå äàåì ïîìåíÿòü çíà÷åíèå
|
25 | //// if (index.column()==3) return false; // â òðåòüåé êîëîíêå íå äàåì ïîìåíÿòü çíà÷åíèå
|
26 | bool lResult = false; |
26 | bool lResult = false; |
27 | QVariant old_value; // ñîõðàíèì ñòàðîå çíà÷åíèå |
27 | QVariant old_value; // ñîõðàíèì ñòàðîå çíà÷åíèå |
28 | old_value = data(index); |
28 | old_value = data(index); |
29 | 29 | ||
30 | 30 | ||
31 | /*
|
31 | /*
|
32 | QString str_tmp;
|
32 | QString str_tmp;
|
33 | if (index.column()==1) { // åñëè ìåíÿåì èìÿ êëàññà
|
33 | if (index.column()==1) { // åñëè ìåíÿåì èìÿ êëàññà
|
34 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
34 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
35 | str_tmp.append(tr(" instance"));
|
35 | str_tmp.append(tr(" instance"));
|
36 | }
|
36 | }
|
37 | */
|
37 | */
|
38 | /*
|
38 | /*
|
39 | QString str_tmp;
|
39 | QString str_tmp;
|
40 | if (index.column()==0) { // åñëè ìåíÿåì èìÿ êëàññà
|
40 | if (index.column()==0) { // åñëè ìåíÿåì èìÿ êëàññà
|
41 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
41 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
42 | str_tmp.append(tr("_instance"));
|
42 | str_tmp.append(tr("_instance"));
|
43 | }
|
43 | }
|
44 | */
|
44 | */
|
45 | lResult = QSqlTableModel::setData(index, value, role); |
- | |
46 | if (lResult) { |
- | |
- | 45 | ||
47 | QModelIndex newindex;
|
46 | QModelIndex newindex;
|
48 | QSqlRecord rec = record(index.row()); |
47 | QSqlRecord rec = record(index.row()); |
49 | 48 | ||
50 | rec.setValue(index.column(), value); |
49 | rec.setValue(index.column(), value); |
51 | rec.setGenerated(index.column(), true); |
50 | rec.setGenerated(index.column(), true); |
52 | 51 | ||
53 | 52 | ||
54 | if (index.column()==1){ // åñëè ïîìåíÿëîñü èìÿ ïîëÿ |
53 | if (index.column()==1){ // åñëè ïîìåíÿëîñü èìÿ ïîëÿ |
55 | QSqlQuery qu;
|
54 | QSqlQuery qu;
|
56 | QString old_field_name; // ñòàðîå èìÿ ïîëÿ |
55 | QString old_field_name; // ñòàðîå èìÿ ïîëÿ |
57 | QString new_field_name; // íîâîå èìÿ ïîëÿ |
56 | QString new_field_name; // íîâîå èìÿ ïîëÿ |
58 | QString query_str;
|
57 | QString query_str;
|
59 | QString type_str; // òèï äàííûõ ïîëÿ |
58 | QString type_str; // òèï äàííûõ ïîëÿ |
60 | old_field_name = old_value.toString(); // îïðåäåëèì òåêóùåå (êîòîðîå íóæíî ïîìåíÿòü) èìÿ ïîëÿ |
59 | old_field_name = old_value.toString(); // îïðåäåëèì òåêóùåå (êîòîðîå íóæíî ïîìåíÿòü) èìÿ ïîëÿ |
61 | new_field_name = value.toString(); |
60 | new_field_name = value.toString(); |
62 | type_str = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // òèï ïîëÿ õðàíèòüñÿ â 3 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
61 | type_str = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // òèï ïîëÿ õðàíèòüñÿ â 3 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
63 | query_str = tr("ALTER TABLE "); |
62 | query_str = tr("ALTER TABLE "); |
64 | query_str.append(ModelForDescriptionTable::Inctance); |
63 | query_str.append(ModelForDescriptionTable::Inctance); |
65 | query_str.append(tr(" CHANGE COLUMN `")); |
64 | query_str.append(tr(" CHANGE COLUMN `")); |
66 | query_str.append(old_field_name); |
65 | query_str.append(old_field_name); |
67 | query_str.append(tr("` `")); |
66 | query_str.append(tr("` `")); |
68 | query_str.append(new_field_name); |
67 | query_str.append(new_field_name); |
69 | query_str.append(tr("` ")); |
68 | query_str.append(tr("` ")); |
70 | query_str.append(type_str); |
69 | query_str.append(type_str); |
71 | query_str.append(tr(" CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL")); |
70 | query_str.append(tr(" CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL")); |
72 | qu.prepare(query_str); |
71 | qu.prepare(query_str); |
73 | bool ok; |
72 | bool ok; |
74 | ok = qu.exec(); |
73 | ok = qu.exec(); |
75 | if (!ok) return false; |
74 | if (!ok) return false; |
76 | 75 | ||
77 | /*
|
76 | /*
|
78 | if (!ok) {
|
77 | if (!ok) {
|
79 | 78 | ||
80 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå.
|
79 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå.
|
81 | this, // Ðîäèòåëüñêèé âèäæåò.
|
80 | this, // Ðîäèòåëüñêèé âèäæåò.
|
82 | QObject::tr("Database Error"), // Çàãîëîâîê.
|
81 | QObject::tr("Database Error"), // Çàãîëîâîê.
|
83 | qu.lastError().text() ); // Òåêñò ñîîáùåíèÿ.
|
82 | qu.lastError().text() ); // Òåêñò ñîîáùåíèÿ.
|
84 | 83 | ||
85 | return ok; // âûõîäèì íå ïðèìåíÿÿ èçìåíåíèé
|
84 | return ok; // âûõîäèì íå ïðèìåíÿÿ èçìåíåíèé
|
86 | 85 | ||
87 | }
|
86 | }
|
88 | 87 | ||
89 | */
|
88 | */
|
90 | 89 | ||
91 | 90 | ||
92 | // rec.setValue(index.column()+2, QVariant(str_tmp));
|
91 | // rec.setValue(index.column()+2, QVariant(str_tmp));
|
93 | // rec.setGenerated(index.column()+2, true);
|
92 | // rec.setGenerated(index.column()+2, true);
|
94 | // newindex = MyModel::index(index.row(), index.column()+2);
|
93 | // newindex = MyModel::index(index.row(), index.column()+2);
|
95 | // QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
94 | // QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
96 | }
|
95 | }
|
97 | 96 | ||
98 | 97 | ||
99 | /*
|
98 | /*
|
100 | 99 | ||
101 | if (index.column()==0){
|
100 | if (index.column()==0){
|
102 | rec.setValue(index.column()+3, QVariant(str_tmp));
|
101 | rec.setValue(index.column()+3, QVariant(str_tmp));
|
103 | rec.setGenerated(index.column()+3, true);
|
102 | rec.setGenerated(index.column()+3, true);
|
104 | newindex = MyModel::index(index.row(), index.column()+3);
|
103 | newindex = MyModel::index(index.row(), index.column()+3);
|
105 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
104 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
106 | }
|
105 | }
|
107 | */
|
106 | */
|
108 | 107 | ||
- | 108 | if (index.column()==3){ // åñëè ïîìåíÿëñÿ òèï äàííûõ |
|
- | 109 | ///ALTER TABLE `an_db`.`1_Inctance` MODIFY COLUMN `int` INTEGER;
|
|
- | 110 | QSqlQuery qu;
|
|
- | 111 | QString old_type, new_type, field_name, query_str;
|
|
- | 112 | old_type = old_value.toString(); // îïðåäåëèì òåêóùèé (êîòîðîå íóæíî ïîìåíÿòü) òèï ïîëÿ |
|
- | 113 | new_type = value.toString(); // íîâûé òèï ïîëÿ |
|
- | 114 | field_name = data(ModelForDescriptionTable::index(index.row(), 1)).toString(); // èìÿ ïîëÿ õðàíèòüñÿ â 1 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
|
- | 115 | query_str = tr("ALTER TABLE "); |
|
- | 116 | query_str.append(ModelForDescriptionTable::Inctance); |
|
- | 117 | query_str.append(tr(" MODIFY COLUMN `")); |
|
- | 118 | query_str.append(field_name); |
|
- | 119 | query_str.append(tr("` ")); |
|
- | 120 | query_str.append(new_type); |
|
- | 121 | qu.prepare(query_str); |
|
- | 122 | bool ok; |
|
- | 123 | ok = qu.exec(); |
|
- | 124 | if (!ok) return false; |
|
- | 125 | ||
- | 126 | }
|
|
- | 127 | ||
- | 128 | lResult = QSqlTableModel::setData(index, value, role); |
|
- | 129 | if (lResult) { |
|
109 | lResult = updateRowInTable(index.row(), rec); |
130 | lResult = updateRowInTable(index.row(), rec); |
110 | emit field_name_changed(); |
131 | emit field_changed(); |
111 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
132 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
112 | 133 | ||
113 | 134 | ||
114 | }
|
135 | }
|
- | 136 | ||
- | 137 | ||
- | 138 | ||
- | 139 | ||
115 | return lResult; |
140 | return lResult; |
116 | }
|
141 | }
|
117 | 142 | ||
118 | 143 | ||
119 | 144 | ||
120 | QVariant ModelForDescriptionTable::data(const QModelIndex &index, int role) const { |
145 | QVariant ModelForDescriptionTable::data(const QModelIndex &index, int role) const { |
121 | 146 | ||
122 | QVariant value = QSqlTableModel::data(index, role); |
147 | QVariant value = QSqlTableModel::data(index, role); |
123 | switch (role) { |
148 | switch (role) { |
124 | case Qt::DisplayRole: return value; |
149 | case Qt::DisplayRole: return value; |
125 | case Qt::EditRole: return value; |
150 | case Qt::EditRole: return value; |
126 | case Qt::TextColorRole: |
151 | case Qt::TextColorRole: |
127 | if(index.column() == 1) |
152 | if(index.column() == 1) |
128 | return qVariantFromValue(QColor(Qt::darkGreen)); |
153 | return qVariantFromValue(QColor(Qt::darkGreen)); |
129 | else
|
154 | else
|
130 | return value; |
155 | return value; |
131 | case Qt::TextAlignmentRole: return value; |
156 | case Qt::TextAlignmentRole: return value; |
132 | case Qt::FontRole: |
157 | case Qt::FontRole: |
133 | if(index.column() == 1) { |
158 | if(index.column() == 1) { |
134 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
159 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
135 | return qVariantFromValue(font); |
160 | return qVariantFromValue(font); |
136 | }else |
161 | }else |
137 | return value; |
162 | return value; |
138 | 163 | ||
139 | case Qt::BackgroundColorRole: { |
164 | case Qt::BackgroundColorRole: { |
140 | int a = (index.row() % 2) ? 14 : 0; |
165 | int a = (index.row() % 2) ? 14 : 0; |
141 | if(index.column() == 2) |
166 | if(index.column() == 2) |
142 | return qVariantFromValue(QColor(220,240-a,230-a)); |
167 | return qVariantFromValue(QColor(220,240-a,230-a)); |
143 | else if(index.column() == 6) |
168 | else if(index.column() == 6) |
144 | return qVariantFromValue(QColor(200,220-a,255-a)); |
169 | return qVariantFromValue(QColor(200,220-a,255-a)); |
145 | else
|
170 | else
|
146 | return value; |
171 | return value; |
147 | }
|
172 | }
|
148 | 173 | ||
149 | 174 | ||
150 | 175 | ||
151 | case Qt::CheckStateRole: return value; |
176 | case Qt::CheckStateRole: return value; |
152 | 177 | ||
153 | case Qt::SizeHintRole:return value; |
178 | case Qt::SizeHintRole:return value; |
154 | 179 | ||
155 | }
|
180 | }
|
156 | return value; |
181 | return value; |
157 | }
|
182 | }
|
158 | 183 | ||
159 | 184 | ||
160 | void ModelForDescriptionTable::setInctance(QString currInctatce){ // ïåðåäàåì èìÿ òåêóùåé òàáëèöû-õðàíèëèùà |
185 | void ModelForDescriptionTable::setInctance(QString currInctatce){ // ïåðåäàåì èìÿ òåêóùåé òàáëèöû-õðàíèëèùà |
161 | ModelForDescriptionTable::Inctance = currInctatce; |
186 | ModelForDescriptionTable::Inctance = currInctatce; |
162 | }
|
187 | }
|
163 | 188 |