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Редакция 112 | Редакция 113 | ||
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1 | 1 | #include "mainwindow.h"
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2 | 2 | #include "ui_mainwindow.h"
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3 | 3 | ||
4 | 4 | ||
5 | 5 | ||
6 | 6 | void MainWindow::getDatabaseData(){ |
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7 | 7 | int list_count; |
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8 | 8 | ||
9 | 9 | if (rootItems.isEmpty()) return; |
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10 | 10 | ||
11 | 11 | list_count = rootItems.count(); |
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12 | 12 | ||
13 | 13 | for (int i=0; i < list_count; i++){ |
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14 | 14 | ||
15 | 15 | buildTree(rootItems.at(i)); |
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16 | 16 | ||
17 | 17 | }
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18 | 18 | ||
19 | 19 | }
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20 | 20 | ||
21 | 21 | void MainWindow::buildTree(QTreeWidgetItem * model_item){ |
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22 | 22 | ||
23 | 23 | ||
24 | 24 | ||
25 | 25 | ||
26 | 26 | QString model_name;
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27 | 27 | QString rootClassID;
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28 | 28 | QString rootClassInctance;
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- | 29 | QFont font;
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29 | 30 | ||
30 | 31 | QTreeWidgetItem * item; |
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31 | 32 | model_name = model_item->text(0); |
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32 | 33 | if (model_item->checkState(0) == false) return; |
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- | 34 | ||
- | 35 | font.setWeight(20); |
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- | 36 | font.setItalic(true); |
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33 | 37 | item = new QTreeWidgetItem (ui->treeWidget_2); |
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- | 38 | item->setFont(0, font); |
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34 | 39 | item->setText(0, model_name); |
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- | 40 | ||
- | 41 | ||
35 | 42 | rootClassID = model_item->child(0)->text(1); |
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36 | 43 | rootClassInctance = getClassInctance(rootClassID); |
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37 | 44 | if (model_item->child(0)->checkState(0)) // åñëè â ìîäåëè êîðíåâîé êëàññ âûáðàí äëÿ îòîáðàæåíèÿ (ñòîèò ãàëî÷êà), òî |
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38 | 45 | {
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39 | 46 | ///// QTreeWidgetItem * item_tmp;
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40 | 47 | ///// item_tmp = new QTreeWidgetItem(item); // â äåðåâå, îòîáðàæàþùåì îáúåêòû êëàññîâ, ñîçäàåì íîâûé óçåë
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41 | 48 | ///// item_tmp->setText(0, model_item->child(0)->text(0)); // ñ íàçâàíèåì êëàññà
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42 | 49 | ||
43 | 50 | //showClassObjects(item_tmp, model_item->child(0)); // è âûâîäèì âñå îáúåêòû äàííîãî êëàññà
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44 | 51 | ||
45 | 52 | ///// showObjects(item_tmp, model_item->child(0), tr(""));
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- | 53 | showObjects(item, model_item->child(0), tr("")); |
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46 | 54 | }
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47 | 55 | ||
48 | 56 | ||
49 | 57 | /*****************************************************/
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50 | 58 | ||
51 | 59 | ||
52 | 60 | }
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53 | 61 | ||
54 | 62 | ||
55 | 63 | // ïîëó÷àåì èìÿ òàáëèöû - õðàíèëèùà îáúåêòîâ êëàññà
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56 | 64 | QString MainWindow::getClassInctance(QString class_id){ |
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57 | 65 | QSqlQuery q;
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58 | 66 | QString sql_str;
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59 | 67 | QString result;
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60 | 68 | QString classInctance;
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61 | 69 | int field_inctance; |
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62 | 70 | bool ok; |
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63 | 71 | sql_str = tr("select * " |
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64 | 72 | " from ListOfClasses where ListOfClasses.ID = '" //îïðåäåëèì êëàññû, äëÿ êîòîðûõ êîðíåâîé ÿâëÿåòñÿ êîíòåéíåðîì |
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65 | 73 | ); |
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66 | 74 | sql_str.append(class_id); |
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67 | 75 | sql_str.append(tr("'")); |
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68 | 76 | q.prepare(sql_str); |
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69 | 77 | ||
70 | 78 | ok = q.exec(); |
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71 | 79 | if (!ok) { |
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72 | 80 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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73 | 81 | this, // Ðîäèòåëüñêèé âèäæåò. |
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74 | 82 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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75 | 83 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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76 | 84 | return result; |
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77 | 85 | }
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78 | 86 | field_inctance = q.record().indexOf(tr("TableWhithInstance")); |
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79 | 87 | while(q.next()){ |
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80 | 88 | ||
81 | 89 | classInctance = q.value(field_inctance).toString(); |
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82 | 90 | result.append(classInctance); |
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83 | 91 | }
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84 | 92 | ||
85 | 93 | return result; |
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86 | 94 | ||
87 | 95 | }
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88 | 96 | ||
89 | 97 | void MainWindow::showClassObjects(QTreeWidgetItem * parent_item, QTreeWidgetItem * model_item){ |
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90 | 98 | QString classID; // èäåíòèôèêàòîð êëàññà |
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91 | 99 | QString inctance; // èìÿ òàáëèöû, õðàíèëèùà |
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92 | 100 | QSqlQuery q;
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93 | 101 | QString sql_str;
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94 | 102 | QString str_tmp;
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95 | 103 | bool ok; |
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96 | 104 | int field_ID; |
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97 | 105 | int i; |
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98 | 106 | classID = model_item->text(1); |
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99 | 107 | inctance = getClassInctance(classID); |
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100 | 108 | ||
101 | 109 | sql_str = tr("select * " |
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102 | 110 | " from " //íàõîäèì âñå îáúåêòû êëàññà â òàáëèöå - õðàíèëèùå îáúåêòîâ êëàññà |
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103 | 111 | ); |
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104 | 112 | sql_str.append(inctance); |
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105 | 113 | q.prepare(sql_str); |
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106 | 114 | ||
107 | 115 | ok = q.exec(); |
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108 | 116 | if (!ok) { |
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109 | 117 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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110 | 118 | this, // Ðîäèòåëüñêèé âèäæåò. |
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111 | 119 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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112 | 120 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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113 | 121 | return; |
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114 | 122 | }
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115 | 123 | ||
116 | 124 | field_ID = q.record().indexOf(tr("ID")); |
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117 | 125 | ||
118 | 126 | ||
119 | 127 | while(q.next()){ |
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120 | 128 | if (q.record().count() > 1) |
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121 | 129 | {
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122 | 130 | QString value_tmp;
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123 | 131 | QString ID_tmp;
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124 | 132 | QTreeWidgetItem * itm; |
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125 | 133 | ID_tmp = q.value(field_ID).toString(); // îïðåäåëÿåì èäåíòèôèêàòîð îáúåêòà |
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126 | 134 | value_tmp = q.value(1).toString(); // îïðåäåëÿåì èìÿ îáúåêòà (äîëæíî õðàíèòüñÿ â ïåðâîì ïîëå) |
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127 | 135 | itm = new QTreeWidgetItem(parent_item); // äîáàâëÿåì â äåðåâî óçåë, ñîîòâåòñòâóþùèé îáúåêòó |
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128 | 136 | itm->setText(0, value_tmp); |
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129 | 137 | for (int i; i < model_item->childCount(); i++) // ïðîâåðÿåì, åñòü ëè ó êëàññà äî÷åðíèå êëàññû |
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130 | 138 | {
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131 | 139 | QTreeWidgetItem * model_item_tmp; // åñëè åñòü |
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132 | 140 | model_item_tmp = model_item->child(i); // îòîáðàæàåì îáúåêòû äî÷åðíèõ êëàññîâ |
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133 | 141 | MainWindow::showObjectChildrens(ID_tmp, itm, model_item_tmp); |
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134 | 142 | ||
135 | 143 | }
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136 | 144 | }
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137 | 145 | ||
138 | 146 | }
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139 | 147 | ||
140 | 148 | ||
141 | 149 | i++; |
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142 | 150 | }
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143 | 151 | ||
144 | 152 | ||
145 | 153 | ||
146 | 154 | void MainWindow::showObjectChildrens(QString object_ID, QTreeWidgetItem * object_item, QTreeWidgetItem * model_item){ // îòîáðàçèì îáúåêòû êëàññîâà |
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147 | 155 | ||
148 | 156 | QString classID; // èäåíòèôèêàòîð êëàññà |
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149 | 157 | ||
150 | 158 | QString inctance; // èìÿ òàáëèöû, õðàíèëèùà |
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151 | 159 | QSqlQuery q;
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152 | 160 | QString sql_str;
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153 | 161 | QString str_tmp;
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154 | 162 | bool ok; |
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155 | 163 | classID = model_item->text(1); |
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156 | 164 | inctance = getClassInctance(classID); |
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157 | 165 | ||
158 | 166 | sql_str = tr("select * " |
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159 | 167 | " from '" //íàõîäèì âñå îáúåêòû êëàññà â òàáëèöå - õðàíèëèùå îáúåêòîâ êëàññà |
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160 | 168 | ); |
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161 | 169 | sql_str.append(inctance); |
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162 | 170 | sql_str.append(tr("' where ")); |
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163 | 171 | ||
164 | 172 | ||
165 | 173 | q.prepare(sql_str); |
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166 | 174 | ||
167 | 175 | ok = q.exec(); |
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168 | 176 | if (!ok) { |
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169 | 177 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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170 | 178 | this, // Ðîäèòåëüñêèé âèäæåò. |
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171 | 179 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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172 | 180 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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173 | 181 | return; |
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174 | 182 | }
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175 | 183 | }
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176 | 184 | ||
177 | 185 | ||
178 | 186 | void MainWindow::showObjects(QTreeWidgetItem * parent_object_item, QTreeWidgetItem * model_item, QString filtr){ |
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179 | 187 | QString classID; // èäåíòèôèêàòîð êëàññà |
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180 | 188 | QString inctance; // èìÿ òàáëèöû, õðàíèëèùà |
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181 | 189 | QString className; // èìÿ êëàññà |
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182 | 190 | int field_ID; |
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183 | 191 | bool filtr_empty; |
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184 | 192 | bool ok; |
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185 | 193 | QSqlQuery q;
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186 | 194 | QString sql_str;
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187 | 195 | QString str_tmp;
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- | 196 | QTreeWidgetItem * title_item; |
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- | 197 | QFont font;
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- | 198 | font.setWeight(40); |
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- | 199 | font.setBold(true);; |
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188 | 200 | filtr_empty = filtr.isEmpty(); |
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189 | 201 | classID = model_item->text(1); |
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190 | 202 | className = model_item->text(0); |
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191 | 203 | inctance = getClassInctance(classID); |
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- | 204 | /*
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- | 205 | title_item = new QTreeWidgetItem(parent_object_item);
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- | 206 | title_item->setFont(0, font);
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- | 207 | title_item->setText(0, className);
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192 | 208 | */
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193 | 209 | sql_str = tr("select * " |
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194 | 210 | " from " //íàõîäèì âñå îáúåêòû êëàññà â òàáëèöå - õðàíèëèùå îáúåêòîâ êëàññà |
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195 | 211 | ); |
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196 | 212 | sql_str.append(inctance); |
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197 | 213 | if (!filtr.isEmpty()) { // åñëè ôèëüòð íå ïóñòîé |
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198 | 214 | sql_str.append(tr(" ")); |
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199 | 215 |   |
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