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Редакция 80 | Редакция 81 | ||
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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 | /*
|
- | |
32 | QString str_tmp;
|
- | |
33 | if (index.column()==1) { // åñëè ìåíÿåì èìÿ êëàññà
|
- | |
34 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
- | |
35 | str_tmp.append(tr(" instance"));
|
- | |
36 | }
|
- | |
37 | */
|
- | |
38 | /*
|
- | |
39 | QString str_tmp;
|
- | |
40 | if (index.column()==0) { // åñëè ìåíÿåì èìÿ êëàññà
|
- | |
41 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
- | |
42 | str_tmp.append(tr("_instance"));
|
- | |
43 | }
|
- | |
44 | */
|
- | |
45 | - | ||
46 | QModelIndex newindex;
|
- | |
47 | - | ||
48 | - | ||
49 | - | ||
50 | - | ||
51 | - | ||
52 | if (index.column()==1){ // åñëè ïîìåíÿëîñü èìÿ ïîëÿ |
31 | if (index.column()==1){ // åñëè ïîìåíÿëîñü èìÿ ïîëÿ |
53 | QSqlQuery qu;
|
32 | QSqlQuery qu;
|
54 | QString old_field_name; // ñòàðîå èìÿ ïîëÿ |
33 | QString old_field_name; // ñòàðîå èìÿ ïîëÿ |
55 | QString new_field_name; // íîâîå èìÿ ïîëÿ |
34 | QString new_field_name; // íîâîå èìÿ ïîëÿ |
56 | QString query_str;
|
35 | QString query_str;
|
57 | QString type_str; // òèï äàííûõ ïîëÿ |
36 | QString type_str; // òèï äàííûõ ïîëÿ |
58 | old_field_name = old_value.toString(); // îïðåäåëèì òåêóùåå (êîòîðîå íóæíî ïîìåíÿòü) èìÿ ïîëÿ |
37 | old_field_name = old_value.toString(); // îïðåäåëèì òåêóùåå (êîòîðîå íóæíî ïîìåíÿòü) èìÿ ïîëÿ |
59 | new_field_name = value.toString(); |
38 | new_field_name = value.toString(); |
60 | type_str = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // òèï ïîëÿ õðàíèòüñÿ â 3 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
39 | type_str = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // òèï ïîëÿ õðàíèòüñÿ â 3 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
61 | query_str = tr("ALTER TABLE "); |
40 | query_str = tr("ALTER TABLE "); |
62 | query_str.append(ModelForDescriptionTable::Inctance); |
41 | query_str.append(ModelForDescriptionTable::Inctance); |
63 | query_str.append(tr(" CHANGE COLUMN `")); |
42 | query_str.append(tr(" CHANGE COLUMN `")); |
64 | query_str.append(old_field_name); |
43 | query_str.append(old_field_name); |
65 | query_str.append(tr("` `")); |
44 | query_str.append(tr("` `")); |
66 | query_str.append(new_field_name); |
45 | query_str.append(new_field_name); |
67 | query_str.append(tr("` ")); |
46 | query_str.append(tr("` ")); |
68 | query_str.append(type_str); |
47 | query_str.append(type_str); |
69 | query_str.append(tr(" CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL")); |
48 | query_str.append(tr(" CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT NULL")); |
70 | qu.prepare(query_str); |
49 | qu.prepare(query_str); |
71 | bool ok; |
50 | bool ok; |
72 | ok = qu.exec(); |
51 | ok = qu.exec(); |
73 | if (!ok) return false; |
52 | if (!ok) return false; |
74 | }
|
53 | }
|
75 | /*
|
- | |
76 | if (!ok) {
|
- | |
77 | - | ||
78 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå.
|
- | |
79 | this, // Ðîäèòåëüñêèé âèäæåò.
|
- | |
80 | QObject::tr("Database Error"), // Çàãîëîâîê.
|
- | |
81 | qu.lastError().text() ); // Òåêñò ñîîáùåíèÿ.
|
- | |
82 | - | ||
83 | return ok; // âûõîäèì íå ïðèìåíÿÿ èçìåíåíèé
|
- | |
84 | - | ||
85 | }
|
- | |
86 | 54 | ||
87 | */
|
- | |
88 | - | ||
89 | - | ||
90 | // rec.setValue(index.column()+2, QVariant(str_tmp));
|
- | |
91 | // rec.setGenerated(index.column()+2, true);
|
- | |
92 | // newindex = MyModel::index(index.row(), index.column()+2);
|
- | |
93 | // QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
- | |
94 | - | ||
95 | - | ||
96 | - | ||
97 | /*
|
- | |
98 | - | ||
99 | if (index.column()==0){
|
- | |
100 | rec.setValue(index.column()+3, QVariant(str_tmp));
|
- | |
101 | rec.setGenerated(index.column()+3, true);
|
- | |
102 | newindex = MyModel::index(index.row(), index.column()+3);
|
- | |
103 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
- | |
104 | }
|
- | |
105 | */
|
- | |
106 | 55 | ||
107 | if (index.column()==3){ // åñëè ïîìåíÿëñÿ òèï äàííûõ |
56 | if (index.column()==3){ // åñëè ïîìåíÿëñÿ òèï äàííûõ |
108 | ///ALTER TABLE `an_db`.`1_Inctance` MODIFY COLUMN `int` INTEGER;
|
57 | ///ALTER TABLE `an_db`.`1_Inctance` MODIFY COLUMN `int` INTEGER;
|
109 | 58 | ||
110 | bool ok; |
59 | bool ok; |
111 | ///// ok = setData(ModelForDescriptionTable::index(index.row(), 4), QVariant(tr("NULL")), Qt::EditRole); // ñáðîñèì çíà÷åíèå ïî óìîë÷àíèþ
|
- | |
112 | ok = QSqlTableModel::setData(ModelForDescriptionTable::index(index.row(), 4), QVariant(tr("NULL")), Qt::EditRole); // ñáðîñèì çíà÷åíèå ïî óìîë÷àíèþ |
60 | ok = QSqlTableModel::setData(ModelForDescriptionTable::index(index.row(), 4), QVariant(tr("NULL")), Qt::EditRole); // ñáðîñèì çíà÷åíèå ïî óìîë÷àíèþ |
113 | if (ok) { |
61 | if (ok) { |
114 | 62 | ||
115 | 63 | ||
116 | QSqlQuery qu;
|
64 | QSqlQuery qu;
|
117 | QString old_type, new_type, field_name, query_str;
|
65 | QString old_type, new_type, field_name, query_str;
|
118 | old_type = old_value.toString(); // îïðåäåëèì òåêóùèé (êîòîðîå íóæíî ïîìåíÿòü) òèï ïîëÿ |
66 | old_type = old_value.toString(); // îïðåäåëèì òåêóùèé (êîòîðîå íóæíî ïîìåíÿòü) òèï ïîëÿ |
119 | new_type = value.toString(); // íîâûé òèï ïîëÿ |
67 | new_type = value.toString(); // íîâûé òèï ïîëÿ |
120 | field_name = data(ModelForDescriptionTable::index(index.row(), 1)).toString(); // èìÿ ïîëÿ õðàíèòüñÿ â 1 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
68 | field_name = data(ModelForDescriptionTable::index(index.row(), 1)).toString(); // èìÿ ïîëÿ õðàíèòüñÿ â 1 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
121 | query_str = tr("ALTER TABLE "); |
69 | query_str = tr("ALTER TABLE "); |
122 | query_str.append(ModelForDescriptionTable::Inctance); |
70 | query_str.append(ModelForDescriptionTable::Inctance); |
123 | query_str.append(tr(" MODIFY COLUMN `")); |
71 | query_str.append(tr(" MODIFY COLUMN `")); |
124 | query_str.append(field_name); |
72 | query_str.append(field_name); |
125 | query_str.append(tr("` ")); |
73 | query_str.append(tr("` ")); |
126 | query_str.append(new_type); |
74 | query_str.append(new_type); |
127 | qu.prepare(query_str); |
75 | qu.prepare(query_str); |
128 | 76 | ||
129 | ok = qu.exec(); |
77 | ok = qu.exec(); |
130 | if (!ok) return false; |
78 | if (!ok) return false; |
131 | }
|
79 | }
|
132 | else return false; |
80 | else return false; |
133 | }
|
81 | }
|
- | 82 | ||
134 | if (index.column()==4){ // åñëè ïîìåíÿëîñü çíà÷åíèå ïî óìîë÷àíèþ |
83 | if (index.column()==4){ // åñëè ïîìåíÿëîñü çíà÷åíèå ïî óìîë÷àíèþ |
135 | ///ALTER TABLE `an_db`.`2_Inctance` MODIFY COLUMN `Îò÷åñòâî` CHAR(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT 'Èâàíîâè÷';
|
84 | ///ALTER TABLE `an_db`.`2_Inctance` MODIFY COLUMN `Îò÷åñòâî` CHAR(10) CHARACTER SET cp1251 COLLATE cp1251_general_ci DEFAULT 'Èâàíîâè÷';
|
136 | QSqlQuery qu;
|
85 | QSqlQuery qu;
|
137 | QString field_type, new_default_value, field_name, query_str;
|
86 | QString field_type, new_default_value, field_name, query_str;
|
138 | 87 | ||
139 | field_type = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // òèï ïîëÿ õðàíèòüñÿ â 3 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
88 | field_type = data(ModelForDescriptionTable::index(index.row(), 3)).toString(); // òèï ïîëÿ õðàíèòüñÿ â 3 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
140 | field_name = data(ModelForDescriptionTable::index(index.row(), 1)).toString(); // èìÿ ïîëÿ õðàíèòüñÿ â 1 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
89 | field_name = data(ModelForDescriptionTable::index(index.row(), 1)).toString(); // èìÿ ïîëÿ õðàíèòüñÿ â 1 ñòîëáöå, ñ÷èòûâàåì åãî çíà÷åíèå |
141 | new_default_value = value.toString(); |
90 | new_default_value = value.toString(); |
142 | query_str = tr("ALTER TABLE "); |
91 | query_str = tr("ALTER TABLE "); |
143 | query_str.append(ModelForDescriptionTable::Inctance); |
92 | query_str.append(ModelForDescriptionTable::Inctance); |
144 | query_str.append(tr(" MODIFY COLUMN `")); |
93 | query_str.append(tr(" MODIFY COLUMN `")); |
145 | query_str.append(field_name); |
94 | query_str.append(field_name); |
146 | query_str.append(tr("` ")); |
95 | query_str.append(tr("` ")); |
147 | query_str.append(field_type); |
96 | query_str.append(field_type); |
148 | 97 | ||
149 | if (new_default_value != tr("NULL")) { |
98 | if (new_default_value != tr("NULL")) { |
150 | query_str.append(tr(" DEFAULT '")); |
99 | query_str.append(tr(" DEFAULT '")); |
151 | 100 | ||
152 | 101 | ||
153 | query_str.append(new_default_value); |
102 | query_str.append(new_default_value); |
154 | query_str.append(tr("'")); } |
103 | query_str.append(tr("'")); } |
155 | else { |
104 | else { |
156 | query_str.append(tr(" DEFAULT ")); // Åñëè íàäî çàäàòü çíà÷åíèå NULL òî àïîñòðîôû íå ñòàâèì |
105 | query_str.append(tr(" DEFAULT ")); // Åñëè íàäî çàäàòü çíà÷åíèå NULL òî àïîñòðîôû íå ñòàâèì |
157 | query_str.append(new_default_value); |
106 | query_str.append(new_default_value); |
158 | }
|
107 | }
|
159 | qu.prepare(query_str); |
108 | qu.prepare(query_str); |
160 | bool ok; |
109 | bool ok; |
161 | ok = qu.exec(); |
110 | ok = qu.exec(); |
162 | if (!ok) return false; |
111 | if (!ok) return false; |
163 | 112 | ||
164 | }
|
113 | }
|
165 | 114 | ||
166 | 115 | ||
167 | QSqlRecord rec = record(index.row()); |
116 | QSqlRecord rec = record(index.row()); |
168 | rec.setValue(index.column(), value); |
117 | rec.setValue(index.column(), value); |
169 | rec.setGenerated(index.column(), true); |
118 | rec.setGenerated(index.column(), true); |
170 | 119 | ||
171 | 120 | ||
172 | lResult = QSqlTableModel::setData(index, value, role); |
121 | lResult = QSqlTableModel::setData(index, value, role); |
173 | if (lResult) { |
122 | if (lResult) { |
174 | lResult = updateRowInTable(index.row(), rec); |
123 | lResult = updateRowInTable(index.row(), rec); |
175 | emit field_changed(); |
124 | emit field_changed(); |
176 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
125 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
- | 126 | }
|
|
- | 127 | ||
177 | 128 | ||
178 | 129 | ||
- | 130 | ||
- | 131 | return lResult; |
|
- | 132 | }
|
|
- | 133 | ||
- | 134 | ||
- | 135 | ||
- | 136 | ||
- | 137 | bool ModelForDescriptionTable::onlySetData(const QModelIndex &index, const QVariant &value, int role){ |
|
- | 138 | bool lResult = false; |
|
- | 139 | ||
- | 140 | QSqlRecord rec = record(index.row()); |
|
- | 141 | rec.setValue(index.column(), value); |
|
- | 142 | rec.setGenerated(index.column(), true); |
|
- | 143 | ||
- | 144 | ||
- | 145 | lResult = QSqlTableModel::setData(index, value, role); |
|
- | 146 | if (lResult) { |
|
- | 147 | lResult = updateRowInTable(index.row(), rec); |
|
- | 148 | // emit field_changed();
|
|
- | 149 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
|
179 | }
|
150 | }
|
180 | 151 | ||
181 | 152 | ||
182 | 153 | ||
183 | 154 | ||
184 | return lResult; |
155 | return lResult; |
- | 156 | ||
185 | }
|
157 | }
|
186 | 158 | ||
- | 159 | ||
- | 160 | ||
187 | 161 | ||
188 | 162 | ||
189 | QVariant ModelForDescriptionTable::data(const QModelIndex &index, int role) const { |
163 | QVariant ModelForDescriptionTable::data(const QModelIndex &index, int role) const { |
190 | 164 | ||
191 | QVariant value = QSqlTableModel::data(index, role); |
165 | QVariant value = QSqlTableModel::data(index, role); |
192 | switch (role) { |
166 | switch (role) { |
193 | case Qt::DisplayRole: return value; |
167 | case Qt::DisplayRole: return value; |
194 | case Qt::EditRole: return value; |
168 | case Qt::EditRole: return value; |
195 | case Qt::TextColorRole: |
169 | case Qt::TextColorRole: |
196 | if(index.column() == 1) |
170 | if(index.column() == 1) |
197 | return qVariantFromValue(QColor(Qt::darkGreen)); |
171 | return qVariantFromValue(QColor(Qt::darkGreen)); |
198 | else
|
172 | else
|
199 | return value; |
173 | return value; |
200 | case Qt::TextAlignmentRole: return value; |
174 | case Qt::TextAlignmentRole: return value; |
201 | case Qt::FontRole: |
175 | case Qt::FontRole: |
202 | if(index.column() == 1) { |
176 | if(index.column() == 1) { |
203 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
177 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
204 | return qVariantFromValue(font); |
178 | return qVariantFromValue(font); |
205 | }else |
179 | }else |
206 | return value; |
180 | return value; |
207 | 181 | ||
208 | case Qt::BackgroundColorRole: { |
182 | case Qt::BackgroundColorRole: { |
209 | int a = (index.row() % 2) ? 14 : 0; |
183 | int a = (index.row() % 2) ? 14 : 0; |
210 | if(index.column() == 2) |
184 | if(index.column() == 2) |
211 | return qVariantFromValue(QColor(220,240-a,230-a)); |
185 | return qVariantFromValue(QColor(220,240-a,230-a)); |
212 | else if(index.column() == 6) |
186 | else if(index.column() == 6) |
213 | return qVariantFromValue(QColor(200,220-a,255-a)); |
187 | return qVariantFromValue(QColor(200,220-a,255-a)); |
214 | else
|
188 | else
|
215 | return value; |
189 | return value; |
216 | }
|
190 | }
|
217 | 191 | ||
218 | 192 | ||
219 | 193 | ||
220 | case Qt::CheckStateRole: return value; |
194 | case Qt::CheckStateRole: return value; |
221 | 195 | ||
222 | case Qt::SizeHintRole:return value; |
196 | case Qt::SizeHintRole:return value; |
223 | 197 | ||
224 | }
|
198 | }
|
225 | return value; |
199 | return value; |
226 | }
|
200 | }
|
227 | 201 | ||
228 | 202 | ||
229 | void ModelForDescriptionTable::setInctance(QString currInctatce){ // ïåðåäàåì èìÿ òåêóùåé òàáëèöû-õðàíèëèùà |
203 | void ModelForDescriptionTable::setInctance(QString currInctatce){ // ïåðåäàåì èìÿ òåêóùåé òàáëèöû-õðàíèëèùà |
230 | ModelForDescriptionTable::Inctance = currInctatce; |
204 | ModelForDescriptionTable::Inctance = currInctatce; |
231 | }
|
205 | }
|
232 | 206 |