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Редакция 114 | Редакция 115 | ||
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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 | 29 | QFont font;
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30 | 30 | ||
31 | 31 | QTreeWidgetItem * item; |
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32 | 32 | model_name = model_item->text(0); |
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33 | 33 | if (model_item->checkState(0) == false) return; |
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34 | 34 | ||
35 | 35 | //font.setWeight(20);
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36 | 36 | font.setItalic(true); |
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37 | 37 | item = new QTreeWidgetItem (ui->treeWidget_2); |
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38 | 38 | item->setFont(0, font); |
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39 | 39 | item->setText(0, model_name); |
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40 | 40 | item->setTextColor(0, Qt::darkGreen); |
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41 | 41 | ||
42 | 42 | ||
43 | 43 | rootClassID = model_item->child(0)->text(1); |
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44 | 44 | rootClassInctance = getClassInctance(rootClassID); |
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45 | 45 | if (model_item->child(0)->checkState(0)) // åñëè â ìîäåëè êîðíåâîé êëàññ âûáðàí äëÿ îòîáðàæåíèÿ (ñòîèò ãàëî÷êà), òî |
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46 | 46 | {
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47 | 47 | ///// QTreeWidgetItem * item_tmp;
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48 | 48 | ///// item_tmp = new QTreeWidgetItem(item); // â äåðåâå, îòîáðàæàþùåì îáúåêòû êëàññîâ, ñîçäàåì íîâûé óçåë
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49 | 49 | ///// item_tmp->setText(0, model_item->child(0)->text(0)); // ñ íàçâàíèåì êëàññà
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50 | 50 | ||
51 | 51 | //showClassObjects(item_tmp, model_item->child(0)); // è âûâîäèì âñå îáúåêòû äàííîãî êëàññà
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52 | 52 | ||
53 | 53 | ///// showObjects(item_tmp, model_item->child(0), tr(""));
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54 | 54 | showObjects(item, model_item->child(0), tr("")); |
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55 | 55 | }
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56 | 56 | ||
57 | 57 | ||
58 | 58 | /*****************************************************/
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59 | 59 | ||
60 | 60 | ||
61 | 61 | }
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62 | 62 | ||
63 | 63 | ||
64 | 64 | // ïîëó÷àåì èìÿ òàáëèöû - õðàíèëèùà îáúåêòîâ êëàññà
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65 | 65 | QString MainWindow::getClassInctance(QString class_id){ |
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66 | 66 | QSqlQuery q;
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67 | 67 | QString sql_str;
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68 | 68 | QString result;
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69 | 69 | QString classInctance;
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70 | 70 | int field_inctance; |
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71 | 71 | bool ok; |
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72 | 72 | sql_str = tr("select * " |
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73 | 73 | " from ListOfClasses where ListOfClasses.ID = '" //îïðåäåëèì êëàññû, äëÿ êîòîðûõ êîðíåâîé ÿâëÿåòñÿ êîíòåéíåðîì |
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74 | 74 | ); |
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75 | 75 | sql_str.append(class_id); |
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76 | 76 | sql_str.append(tr("'")); |
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77 | 77 | q.prepare(sql_str); |
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78 | 78 | ||
79 | 79 | ok = q.exec(); |
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80 | 80 | if (!ok) { |
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81 | 81 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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82 | 82 | this, // Ðîäèòåëüñêèé âèäæåò. |
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83 | 83 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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84 | 84 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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85 | 85 | return result; |
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86 | 86 | }
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87 | 87 | field_inctance = q.record().indexOf(tr("TableWhithInstance")); |
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88 | 88 | while(q.next()){ |
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89 | 89 | ||
90 | 90 | classInctance = q.value(field_inctance).toString(); |
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91 | 91 | result.append(classInctance); |
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92 | 92 | }
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93 | 93 | ||
94 | 94 | return result; |
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95 | 95 | ||
96 | 96 | }
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97 | 97 | ||
98 | 98 | void MainWindow::showClassObjects(QTreeWidgetItem * parent_item, QTreeWidgetItem * model_item){ |
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99 | 99 | QString classID; // èäåíòèôèêàòîð êëàññà |
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100 | 100 | QString inctance; // èìÿ òàáëèöû, õðàíèëèùà |
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101 | 101 | QSqlQuery q;
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102 | 102 | QString sql_str;
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103 | 103 | QString str_tmp;
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104 | 104 | bool ok; |
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105 | 105 | int field_ID; |
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106 | 106 | int i; |
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107 | 107 | classID = model_item->text(1); |
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108 | 108 | inctance = getClassInctance(classID); |
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109 | 109 | ||
110 | 110 | sql_str = tr("select * " |
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111 | 111 | " from " //íàõîäèì âñå îáúåêòû êëàññà â òàáëèöå - õðàíèëèùå îáúåêòîâ êëàññà |
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112 | 112 | ); |
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113 | 113 | sql_str.append(inctance); |
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114 | 114 | q.prepare(sql_str); |
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115 | 115 | ||
116 | 116 | ok = q.exec(); |
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117 | 117 | if (!ok) { |
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118 | 118 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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119 | 119 | this, // Ðîäèòåëüñêèé âèäæåò. |
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120 | 120 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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121 | 121 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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122 | 122 | return; |
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123 | 123 | }
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124 | 124 | ||
125 | 125 | field_ID = q.record().indexOf(tr("ID")); |
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126 | 126 | ||
127 | 127 | ||
128 | 128 | while(q.next()){ |
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129 | 129 | if (q.record().count() > 1) |
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130 | 130 | {
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131 | 131 | QString value_tmp;
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132 | 132 | QString ID_tmp;
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133 | 133 | QTreeWidgetItem * itm; |
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134 | 134 | ID_tmp = q.value(field_ID).toString(); // îïðåäåëÿåì èäåíòèôèêàòîð îáúåêòà |
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135 | 135 | value_tmp = q.value(1).toString(); // îïðåäåëÿåì èìÿ îáúåêòà (äîëæíî õðàíèòüñÿ â ïåðâîì ïîëå) |
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136 | 136 | itm = new QTreeWidgetItem(parent_item); // äîáàâëÿåì â äåðåâî óçåë, ñîîòâåòñòâóþùèé îáúåêòó |
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137 | 137 | itm->setText(0, value_tmp); |
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138 | 138 | for (int i; i < model_item->childCount(); i++) // ïðîâåðÿåì, åñòü ëè ó êëàññà äî÷åðíèå êëàññû |
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139 | 139 | {
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140 | 140 | QTreeWidgetItem * model_item_tmp; // åñëè åñòü |
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141 | 141 | model_item_tmp = model_item->child(i); // îòîáðàæàåì îáúåêòû äî÷åðíèõ êëàññîâ |
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142 | 142 | MainWindow::showObjectChildrens(ID_tmp, itm, model_item_tmp); |
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143 | 143 | ||
144 | 144 | }
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145 | 145 | }
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146 | 146 | ||
147 | 147 | }
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148 | 148 | ||
149 | 149 | ||
150 | 150 | i++; |
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151 | 151 | }
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152 | 152 | ||
153 | 153 | ||
154 | 154 | ||
155 | 155 | void MainWindow::showObjectChildrens(QString object_ID, QTreeWidgetItem * object_item, QTreeWidgetItem * model_item){ // îòîáðàçèì îáúåêòû êëàññîâà |
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156 | 156 | ||
157 | 157 | QString classID; // èäåíòèôèêàòîð êëàññà |
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158 | 158 | ||
159 | 159 | QString inctance; // èìÿ òàáëèöû, õðàíèëèùà |
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160 | 160 | QSqlQuery q;
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161 | 161 | QString sql_str;
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162 | 162 | QString str_tmp;
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163 | 163 | bool ok; |
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164 | 164 | classID = model_item->text(1); |
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165 | 165 | inctance = getClassInctance(classID); |
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166 | 166 | ||
167 | 167 | sql_str = tr("select * " |
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168 | 168 | " from '" //íàõîäèì âñå îáúåêòû êëàññà â òàáëèöå - õðàíèëèùå îáúåêòîâ êëàññà |
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169 | 169 | ); |
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170 | 170 | sql_str.append(inctance); |
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171 | 171 | sql_str.append(tr("' where ")); |
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172 | 172 | ||
173 | 173 | ||
174 | 174 | q.prepare(sql_str); |
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175 | 175 | ||
176 | 176 | ok = q.exec(); |
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177 | 177 | if (!ok) { |
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178 | 178 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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179 | 179 | this, // Ðîäèòåëüñêèé âèäæåò. |
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180 | 180 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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181 | 181 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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182 | 182 | return; |
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183 | 183 | }
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184 | 184 | }
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185 | 185 | ||
186 | 186 | ||
187 | 187 | void MainWindow::showObjects(QTreeWidgetItem * parent_object_item, QTreeWidgetItem * model_item, QString filtr){ |
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188 | 188 | QString classID; // èäåíòèôèêàòîð êëàññà |
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189 | 189 | QString inctance; // èìÿ òàáëèöû, õðàíèëèùà |
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190 | 190 | QString className; // èìÿ êëàññà |
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191 | 191 | int field_ID; |
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192 | 192 | bool filtr_empty; |
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193 | 193 | bool ok; |
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194 | 194 | QSqlQuery q;
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195 | 195 | QString sql_str;
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196 | 196 | QString str_tmp;
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197 | 197 | QTreeWidgetItem * title_item; |
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198 | 198 | QFont font;
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199 | 199 | // font.setWeight(40);
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200 | 200 | font.setBold(true); |
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201 | 201 | filtr_empty = filtr.isEmpty(); |
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202 | 202 | classID = model_item->text(1); |
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203 | 203 | className = model_item->text(0); |
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204 | 204 | inctance = getClassInctance(classID); |
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205 | 205 | ||
206 | 206 | title_item = new QTreeWidgetItem(parent_object_item); |
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207 | 207 | title_item->setFont(0, font); |
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208 | 208 | title_item->setText(0, className); |
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209 | 209 | title_item->setText(1, tr("class")); |
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210 | 210 | title_item->setText(2, classID); |
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- | 211 | title_item->setText(3, inctance); |
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211 | 212 | title_item->setTextColor(0, Qt::darkBlue); |
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212 | 213 | ||
213 | 214 | sql_str = tr("select * " |
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214 | 215 | " from " //íàõîäèì âñå îáúåêòû êëàññà â òàáëèöå - õðàíèëèùå îáúåêòîâ êëàññà |
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215 | 216 | ); |
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216 | 217 | sql_str.append(inctance); |
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217 | 218 | if (!filtr.isEmpty()) { // åñëè ôèëüòð íå ïóñòîé |
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218 | 219 | sql_str.append(tr(" ")); |
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219 | 220 | sql_str.append(filtr); // äîáàâëÿåì â çàïðîñ ôèëüòð |
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220 | 221 | }
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221 | 222 | ||
222 | 223 | q.prepare(sql_str); |
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223 | 224 | ||
224 | 225 | ok = q.exec(); |
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225 | 226 | if (!ok) { |
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226 | 227 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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227 | 228 | this, // Ðîäèòåëüñêèé âèäæåò. |
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228 | 229 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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229 | 230 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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230 | 231 | return; |
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231 | 232 | }
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232 | 233 | ||
233 | 234 | field_ID = q.record().indexOf(tr("ID")); |
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234 | 235 | ||
235 | 236 | /*
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236 | 237 | if (q.size() <= 0) return;
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237 | 238 | title_item = new QTreeWidgetItem(parent_object_item);
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238 | 239 | title_item->setFont(0, font);
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239 | 240 | title_item->setText(0, className);
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240 | 241 | */
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241 | 242 | ||
242 | 243 | while(q.next()){ |
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243 | 244 | if (q.record().count() > 1) |
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244 | 245 | {
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245 | 246 | QString value_tmp;
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246 | 247 | QString ID_tmp;
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247 | 248 | QTreeWidgetItem * itm; |
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248 | 249 | ID_tmp = q.value(field_ID).toString(); |
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