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Редакция 172 | Редакция 182 | ||
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1 | #include "mymodel.h"
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1 | #include "mymodel.h"
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2 | 2 | ||
3 | MyModel::MyModel(QObject *parent) : |
3 | MyModel::MyModel(QObject *parent) : |
4 | QSqlTableModel(parent) |
4 | QSqlTableModel(parent) |
5 | {
|
5 | {
|
6 | setEditStrategy(QSqlTableModel::OnManualSubmit); |
6 | setEditStrategy(QSqlTableModel::OnManualSubmit); |
7 | }
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7 | }
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8 | 8 | ||
9 | Qt::ItemFlags MyModel::flags( |
9 | Qt::ItemFlags MyModel::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() != 3) && (index.column() != 0) /* && (index.column() != 5)*/) |
12 | if ((index.column() != 3) && (index.column() != 0) /* && (index.column() != 5)*/) |
13 | flags |= Qt::ItemIsEditable; |
13 | flags |= Qt::ItemIsEditable; |
14 | //if (index.column() == 4)
|
14 | //if (index.column() == 4)
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15 | // flags |= Qt::ItemIsUserCheckable;
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15 | // flags |= Qt::ItemIsUserCheckable;
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16 | else
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16 | else
|
17 | {
|
17 | {
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18 | if ((index.column() == 3) || (index.column() == 0) /* || (index.column() == 5)*/) flags &= ~Qt::ItemIsEditable; // çàïðåùàåì ðåäàêòèðîâàíèå 0, 3 è 5 ñòîëáöà |
18 | if ((index.column() == 3) || (index.column() == 0) /* || (index.column() == 5)*/) flags &= ~Qt::ItemIsEditable; // çàïðåùàåì ðåäàêòèðîâàíèå 0, 3 è 5 ñòîëáöà |
19 | }
|
19 | }
|
20 | return flags; |
20 | return flags; |
21 | }
|
21 | }
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22 | 22 | ||
23 | 23 | ||
24 | bool MyModel::setData(const QModelIndex &index, const QVariant &value, int role) { |
24 | bool MyModel::setData(const QModelIndex &index, const QVariant &value, int role) { |
25 | //// if (index.column()==3) return false; // â òðåòüåé êîëîíêå íå äàåì ïîìåíÿòü çíà÷åíèå
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25 | //// if (index.column()==3) return false; // â òðåòüåé êîëîíêå íå äàåì ïîìåíÿòü çíà÷åíèå
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26 | bool lResult = false; |
26 | bool lResult = false; |
27 | 27 | ||
28 | /*
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28 | /*
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29 | QString str_tmp;
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29 | QString str_tmp;
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30 | if (index.column()==1) { // åñëè ìåíÿåì èìÿ êëàññà
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30 | if (index.column()==1) { // åñëè ìåíÿåì èìÿ êëàññà
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31 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
31 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
|
32 | str_tmp.append(tr(" instance"));
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32 | str_tmp.append(tr(" instance"));
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33 | }
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33 | }
|
34 | */
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34 | */
|
35 | /*
|
35 | /*
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36 | QString str_tmp;
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36 | QString str_tmp;
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37 | if (index.column()==0) { // åñëè ìåíÿåì èìÿ êëàññà
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37 | if (index.column()==0) { // åñëè ìåíÿåì èìÿ êëàññà
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38 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
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38 | str_tmp = value.toString(); // òî ïîìåíÿåì è èìÿ òàáëèöû
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39 | str_tmp.append(tr("_instance"));
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39 | str_tmp.append(tr("_instance"));
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40 | }
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40 | }
|
41 | */
|
41 | */
|
42 | lResult = QSqlTableModel::setData(index, value, role); |
42 | lResult = QSqlTableModel::setData(index, value, role); |
- | 43 | ||
- | 44 | // if (index.column() == 5) return lResult;
|
|
43 | if (lResult) { |
45 | if (lResult) { |
44 | QModelIndex newindex;
|
46 | QModelIndex newindex;
|
45 | QSqlRecord rec = record(index.row()); |
47 | QSqlRecord rec = record(index.row()); |
46 | 48 | ||
- | 49 | if (value.isNull()) { |
|
- | 50 | rec.setNull(index.column()); |
|
- | 51 | ||
- | 52 | }
|
|
47 | rec.setValue(index.column(), value); |
53 | else rec.setValue(index.column(), value); |
- | 54 | ||
48 | rec.setGenerated(index.column(), true); |
55 | rec.setGenerated(index.column(), true); |
49 | 56 | ||
50 | /*
|
57 | /*
|
51 | if (index.column()==1){
|
58 | if (index.column()==1){
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52 | rec.setValue(index.column()+2, QVariant(str_tmp));
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59 | rec.setValue(index.column()+2, QVariant(str_tmp));
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53 | rec.setGenerated(index.column()+2, true);
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60 | rec.setGenerated(index.column()+2, true);
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54 | newindex = MyModel::index(index.row(), index.column()+2);
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61 | newindex = MyModel::index(index.row(), index.column()+2);
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55 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
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62 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
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56 | }
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63 | }
|
57 | */
|
64 | */
|
58 | /*
|
65 | /*
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59 | 66 | ||
60 | if (index.column()==0){
|
67 | if (index.column()==0){
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61 | rec.setValue(index.column()+3, QVariant(str_tmp));
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68 | rec.setValue(index.column()+3, QVariant(str_tmp));
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62 | rec.setGenerated(index.column()+3, true);
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69 | rec.setGenerated(index.column()+3, true);
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63 | newindex = MyModel::index(index.row(), index.column()+3);
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70 | newindex = MyModel::index(index.row(), index.column()+3);
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64 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
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71 | QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
|
65 | }
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72 | }
|
66 | */
|
73 | */
|
67 | 74 | ||
68 | lResult = updateRowInTable(index.row(), rec); |
75 | lResult = updateRowInTable(index.row(), rec); |
69 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
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76 | /// QSqlTableModel::setData(newindex, QVariant(str_tmp), Qt::EditRole);
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70 | - | ||
- | 77 | // submitAll();
|
|
- | 78 | // this->select();
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|
71 | 79 | ||
72 | }
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80 | }
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- | 81 | emit dataChanged(index, index);; |
|
73 | return lResult; |
82 | return lResult; |
74 | }
|
83 | }
|
75 | 84 | ||
76 | 85 | ||
77 | 86 | ||
78 | QVariant MyModel::data(const QModelIndex &index, int role) const { |
87 | QVariant MyModel::data(const QModelIndex &index, int role) const { |
79 | 88 | ||
80 | QVariant value = QSqlTableModel::data(index, role); |
89 | QVariant value = QSqlTableModel::data(index, role); |
81 | switch (role) { |
90 | switch (role) { |
82 | case Qt::DisplayRole: return value; |
91 | case Qt::DisplayRole: return value; |
83 | case Qt::EditRole: return value; |
92 | case Qt::EditRole: return value; |
84 | case Qt::TextColorRole: |
93 | case Qt::TextColorRole: |
85 | if(index.column() == 1) |
94 | if(index.column() == 1) |
86 | return qVariantFromValue(QColor(Qt::blue)); |
95 | return qVariantFromValue(QColor(Qt::blue)); |
87 | else
|
96 | else
|
88 | return value; |
97 | return value; |
89 | case Qt::TextAlignmentRole: return value; |
98 | case Qt::TextAlignmentRole: return value; |
90 | case Qt::FontRole: |
99 | case Qt::FontRole: |
91 | if(index.column() == 1) { |
100 | if(index.column() == 1) { |
92 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
101 | QFont font = QFont("Helvetica", 16, QFont::Bold); |
93 | return qVariantFromValue(font); |
102 | return qVariantFromValue(font); |
94 | }else |
103 | }else |
95 | return value; |
104 | return value; |
96 | 105 | ||
97 | case Qt::BackgroundColorRole: { |
106 | case Qt::BackgroundColorRole: { |
98 | int a = (index.row() % 2) ? 14 : 0; |
107 | int a = (index.row() % 2) ? 14 : 0; |
99 | if(index.column() == 2) |
108 | if(index.column() == 2) |
100 | return qVariantFromValue(QColor(220,240-a,230-a)); |
109 | return qVariantFromValue(QColor(220,240-a,230-a)); |
101 | else if(index.column() == 4) |
110 | else if(index.column() == 4) |
102 | return qVariantFromValue(QColor(200,220-a,255-a)); |
111 | return qVariantFromValue(QColor(200,220-a,255-a)); |
103 | else
|
112 | else
|
104 | return value; |
113 | return value; |
105 | }
|
114 | }
|
106 | 115 | ||
107 | 116 | ||
108 | 117 | ||
109 | case Qt::CheckStateRole: return value; |
118 | case Qt::CheckStateRole: return value; |
110 | 119 | ||
111 | case Qt::SizeHintRole: |
120 | case Qt::SizeHintRole: |
112 | {
|
121 | {
|
113 | 122 | ||
114 | int height = value.toSize().height(); |
123 | int height = value.toSize().height(); |
115 | int widht = value.toSize().width(); |
124 | int widht = value.toSize().width(); |
116 | if(index.column() == 5) { |
125 | if(index.column() == 5) { |
117 | QVariant currentImage = QSqlTableModel::data(index, 0); |
126 | QVariant currentImage = QSqlTableModel::data(index, 0); |
118 | QByteArray bytes = currentImage.toByteArray(); |
127 | QByteArray bytes = currentImage.toByteArray(); |
119 | QPixmap pxmp;
|
128 | QPixmap pxmp;
|
120 | 129 | ||
121 | 130 | ||
122 | if (currentImage.isValid()) { |
131 | if (currentImage.isValid()) { |
123 | pxmp.loadFromData(bytes); |
132 | pxmp.loadFromData(bytes); |
124 | if (height < pxmp.height()) height = pxmp.height() +10; |
133 | if (height < pxmp.height()) height = pxmp.height() +10; |
125 | if (widht < pxmp.width()) widht = pxmp.width() +10; |
134 | if (widht < pxmp.width()) widht = pxmp.width() +10; |
126 | return QVariant(QSize(widht, height)); |
135 | return QVariant(QSize(widht, height)); |
127 | 136 | ||
128 | }
|
137 | }
|
129 | else return value; |
138 | else return value; |
130 | 139 | ||
131 | }
|
140 | }
|
132 | 141 | ||
133 | 142 | ||
134 | // QSize size(200,100);
|
143 | // QSize size(200,100);
|
135 | 144 | ||
136 | return value; |
145 | return value; |
137 | // return QVariant(size);
|
146 | // return QVariant(size);
|
138 | }
|
147 | }
|
139 | 148 | ||
140 | case Qt::DecorationRole: { |
149 | case Qt::DecorationRole: { |
141 | if(index.column() == 1) return iconProvider.icon(QFileIconProvider::Folder); |
150 | if(index.column() == 1) return iconProvider.icon(QFileIconProvider::Folder); |
142 | else return QVariant(); |
151 | else return QVariant(); |
143 | /*{
|
152 | /*{
|
144 | QVariant currentImage = QSqlTableModel::data(index, 0);
|
153 | QVariant currentImage = QSqlTableModel::data(index, 0);
|
145 | QByteArray bytes = currentImage.toByteArray();
|
154 | QByteArray bytes = currentImage.toByteArray();
|
146 | QPixmap pxmp;
|
155 | QPixmap pxmp;
|
147 | if (currentImage.isValid()) {
|
156 | if (currentImage.isValid()) {
|
148 | pxmp.loadFromData(bytes);
|
157 | pxmp.loadFromData(bytes);
|
149 | QIcon icon;
|
158 | QIcon icon;
|
150 | icon.addPixmap(pxmp);
|
159 | icon.addPixmap(pxmp);
|
151 | return icon;
|
160 | return icon;
|
152 | 161 | ||
153 | }
|
162 | }
|
154 | else {
|
163 | else {
|
155 | //QItemDelegate::paint(painter, option, index);
|
164 | //QItemDelegate::paint(painter, option, index);
|
156 | return value;
|
165 | return value;
|
157 | }
|
166 | }
|
158 | 167 | ||
159 | }
|
168 | }
|
160 | */
|
169 | */
|
161 | 170 | ||
162 | }
|
171 | }
|
163 | 172 | ||
164 | 173 | ||
165 | 174 | ||
166 | }
|
175 | }
|
167 | return value; |
176 | return value; |
168 | }
|
177 | }
|
169 | 178 | ||
170 | 179 |