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Редакция 113 | Редакция 114 | ||
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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 | item->setTextColor(0, Qt::darkGreen); |
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40 | 41 | ||
41 | 42 | ||
42 | 43 | rootClassID = model_item->child(0)->text(1); |
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43 | 44 | rootClassInctance = getClassInctance(rootClassID); |
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44 | 45 | if (model_item->child(0)->checkState(0)) // åñëè â ìîäåëè êîðíåâîé êëàññ âûáðàí äëÿ îòîáðàæåíèÿ (ñòîèò ãàëî÷êà), òî |
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45 | 46 | {
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46 | 47 | ///// QTreeWidgetItem * item_tmp;
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47 | 48 | ///// item_tmp = new QTreeWidgetItem(item); // â äåðåâå, îòîáðàæàþùåì îáúåêòû êëàññîâ, ñîçäàåì íîâûé óçåë
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48 | 49 | ///// item_tmp->setText(0, model_item->child(0)->text(0)); // ñ íàçâàíèåì êëàññà
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49 | 50 | ||
50 | 51 | //showClassObjects(item_tmp, model_item->child(0)); // è âûâîäèì âñå îáúåêòû äàííîãî êëàññà
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51 | 52 | ||
52 | 53 | ///// showObjects(item_tmp, model_item->child(0), tr(""));
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53 | 54 | showObjects(item, model_item->child(0), tr("")); |
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54 | 55 | }
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55 | 56 | ||
56 | 57 | ||
57 | 58 | /*****************************************************/
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58 | 59 | ||
59 | 60 | ||
60 | 61 | }
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61 | 62 | ||
62 | 63 | ||
63 | 64 | // ïîëó÷àåì èìÿ òàáëèöû - õðàíèëèùà îáúåêòîâ êëàññà
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64 | 65 | QString MainWindow::getClassInctance(QString class_id){ |
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65 | 66 | QSqlQuery q;
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66 | 67 | QString sql_str;
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67 | 68 | QString result;
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68 | 69 | QString classInctance;
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69 | 70 | int field_inctance; |
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70 | 71 | bool ok; |
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71 | 72 | sql_str = tr("select * " |
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72 | 73 | " from ListOfClasses where ListOfClasses.ID = '" //îïðåäåëèì êëàññû, äëÿ êîòîðûõ êîðíåâîé ÿâëÿåòñÿ êîíòåéíåðîì |
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73 | 74 | ); |
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74 | 75 | sql_str.append(class_id); |
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75 | 76 | sql_str.append(tr("'")); |
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76 | 77 | q.prepare(sql_str); |
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77 | 78 | ||
78 | 79 | ok = q.exec(); |
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79 | 80 | if (!ok) { |
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80 | 81 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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81 | 82 | this, // Ðîäèòåëüñêèé âèäæåò. |
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82 | 83 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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83 | 84 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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84 | 85 | return result; |
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85 | 86 | }
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86 | 87 | field_inctance = q.record().indexOf(tr("TableWhithInstance")); |
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87 | 88 | while(q.next()){ |
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88 | 89 | ||
89 | 90 | classInctance = q.value(field_inctance).toString(); |
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90 | 91 | result.append(classInctance); |
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91 | 92 | }
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92 | 93 | ||
93 | 94 | return result; |
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94 | 95 | ||
95 | 96 | }
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96 | 97 | ||
97 | 98 | void MainWindow::showClassObjects(QTreeWidgetItem * parent_item, QTreeWidgetItem * model_item){ |
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98 | 99 | QString classID; // èäåíòèôèêàòîð êëàññà |
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99 | 100 | QString inctance; // èìÿ òàáëèöû, õðàíèëèùà |
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100 | 101 | QSqlQuery q;
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101 | 102 | QString sql_str;
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102 | 103 | QString str_tmp;
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103 | 104 | bool ok; |
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104 | 105 | int field_ID; |
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105 | 106 | int i; |
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106 | 107 | classID = model_item->text(1); |
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107 | 108 | inctance = getClassInctance(classID); |
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108 | 109 | ||
109 | 110 | sql_str = tr("select * " |
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110 | 111 | " from " //íàõîäèì âñå îáúåêòû êëàññà â òàáëèöå - õðàíèëèùå îáúåêòîâ êëàññà |
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111 | 112 | ); |
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112 | 113 | sql_str.append(inctance); |
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113 | 114 | q.prepare(sql_str); |
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114 | 115 | ||
115 | 116 | ok = q.exec(); |
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116 | 117 | if (!ok) { |
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117 | 118 | QMessageBox::critical( // Äèàëîã ñ ñîîáùåíèåì îá îøèáêå. |
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118 | 119 | this, // Ðîäèòåëüñêèé âèäæåò. |
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119 | 120 | QObject::tr("Database Error"), // Çàãîëîâîê. |
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120 | 121 | q.lastError().text()); // Òåêñò ñîîáùåíèÿ. |
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121 | 122 | return; |
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122 | 123 | }
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123 | 124 | ||
124 | 125 | field_ID = q.record().indexOf(tr("ID")); |
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125 | 126 | ||
126 | 127 | ||
127 | 128 | while(q.next()){ |
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128 | 129 | if (q.record().count() > 1) |
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129 | 130 | {
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130 | 131 | QString value_tmp;
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131 | 132 | QString ID_tmp;
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132 | 133 | QTreeWidgetItem * itm; |
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133 | 134 | ID_tmp = q.value(field_ID).toString(); // îïðåäåëÿåì èäåíòèôèêàòîð îáúåêòà |
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134 | 135 | value_tmp = q.value(1).toString(); // îïðåäåëÿåì èìÿ îáúåêòà (äîëæíî õðàíèòüñÿ â ïåðâîì ïîëå) |
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135 | 136 | itm = new QTreeWidgetItem(parent_item); // äîáàâëÿåì â äåðåâî óçåë, ñîîòâåòñòâóþùèé îáúåêòó |
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136 | 137 | itm->setText(0, value_tmp); |
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137 | 138 | for (int i; i < model_item->childCount(); i++) // ïðîâåðÿåì, åñòü ëè ó êëàññà äî÷åðíèå êëàññû |
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