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Редакция | Автор | № строки | Строка |
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123 | pingvin | 1 | |
2 | |||
3 | /**************************************************************************** |
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4 | ** |
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5 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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6 | ** All rights reserved. |
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7 | ** Contact: Nokia Corporation (qt-info@nokia.com) |
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8 | ** |
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9 | ** This file is part of the examples of the Qt Toolkit. |
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10 | ** |
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11 | ** $QT_BEGIN_LICENSE:LGPL$ |
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12 | ** Commercial Usage |
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13 | ** Licensees holding valid Qt Commercial licenses may use this file in |
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14 | ** accordance with the Qt Commercial License Agreement provided with the |
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15 | ** Software or, alternatively, in accordance with the terms contained in |
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16 | ** a written agreement between you and Nokia. |
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17 | ** |
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18 | ** GNU Lesser General Public License Usage |
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19 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
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20 | ** General Public License version 2.1 as published by the Free Software |
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21 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
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22 | ** packaging of this file. Please review the following information to |
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23 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
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24 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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25 | ** |
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26 | ** In addition, as a special exception, Nokia gives you certain additional |
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27 | ** rights. These rights are described in the Nokia Qt LGPL Exception |
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28 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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29 | ** |
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30 | ** GNU General Public License Usage |
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31 | ** Alternatively, this file may be used under the terms of the GNU |
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32 | ** General Public License version 3.0 as published by the Free Software |
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33 | ** Foundation and appearing in the file LICENSE.GPL included in the |
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34 | ** packaging of this file. Please review the following information to |
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35 | ** ensure the GNU General Public License version 3.0 requirements will be |
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36 | ** met: http://www.gnu.org/copyleft/gpl.html. |
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37 | ** |
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38 | ** If you have questions regarding the use of this file, please contact |
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39 | ** Nokia at qt-info@nokia.com. |
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40 | ** $QT_END_LICENSE$ |
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41 | ** |
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42 | ****************************************************************************/ |
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43 | |||
44 | /* |
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45 | delegate.cpp |
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46 | |||
47 | A delegate that allows the user to change integer values from the model |
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48 | using a spin box widget. |
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49 | */ |
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50 | |||
51 | #include <QtGui> |
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52 | |||
53 | #include "delegate.h" |
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54 | |||
55 | |||
56 | //! [0] |
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57 | SpinBoxDelegate::SpinBoxDelegate(QObject *parent) |
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58 | : QItemDelegate(parent) |
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59 | { |
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60 | } |
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61 | //! [0] |
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62 | |||
126 | pingvin | 63 | void SpinBoxDelegate::setInctance(QString newInctance){ |
64 | inctance = newInctance; |
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65 | } |
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66 | |||
67 | void SpinBoxDelegate::getItems(){ |
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68 | QMap <QString, QString> result_map; |
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69 | QSqlQuery q; |
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70 | QString query_str; |
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71 | bool ok; |
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72 | |||
73 | if (SpinBoxDelegate::inctance.isEmpty()) |
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74 | { |
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75 | items.clear(); |
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76 | return; |
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77 | } |
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78 | |||
79 | query_str = tr("select * from `"); |
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80 | query_str.append(inctance); |
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81 | query_str.append( tr("`")); |
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82 | |||
83 | q.prepare(query_str); |
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84 | |||
85 | |||
86 | ok = q.exec(); |
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87 | |||
88 | |||
89 | |||
90 | |||
91 | if (!ok) { |
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92 | /* |
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93 | QString error_str; |
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94 | error_str = tr(" "); |
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95 | error_str.append(inctance); |
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96 | QMessageBox::critical( // . |
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97 | this, // . |
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98 | QObject::tr("Database Error"), // . |
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99 | q.lastError().text()); // . |
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100 | // tr(" ")); // . |
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101 | |||
102 | */ |
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103 | items.clear(); |
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104 | return; |
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105 | } |
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106 | |||
107 | |||
108 | // field_inctance = q.record().indexOf(tr("TableWhithInstance")); |
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109 | while(q.next()){ |
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110 | |||
111 | QString ID; |
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112 | QString Name; |
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113 | ID = q.value(0).toString(); // ID |
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114 | Name = q.value(1).toString(); // Name |
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115 | items.insert(ID, Name); |
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116 | } |
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117 | |||
118 | |||
119 | // return result_map; |
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120 | } |
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121 | |||
122 | |||
123 | pingvin | 123 | //! [1] |
124 | QWidget *SpinBoxDelegate::createEditor(QWidget *parent, |
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125 | const QStyleOptionViewItem &/* option */, |
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126 | const QModelIndex &/* index */) const |
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127 | { |
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128 | //QSpinBox *editor = new QSpinBox(parent); |
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129 | //editor->setMinimum(0); |
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130 | //editor->setMaximum(100); |
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126 | pingvin | 131 | QStringList ID_list; |
132 | QStringList Name_list; |
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133 | |||
134 | // getItems(); |
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135 | |||
136 | |||
137 | |||
138 | |||
139 | |||
140 | ID_list = items.keys(); |
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141 | Name_list = items.values(); |
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142 | |||
123 | pingvin | 143 | QComboBox *editor = new QComboBox(parent); |
126 | pingvin | 144 | |
145 | /* |
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123 | pingvin | 146 | editor->addItem("0"); |
147 | editor->addItem("1"); |
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148 | editor->addItem("2"); |
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149 | editor->addItem("3"); |
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150 | editor->addItem("4"); |
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151 | editor->addItem("5"); |
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152 | editor->addItem("6"); |
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153 | editor->addItem("7"); |
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154 | editor->addItem("8"); |
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155 | editor->addItem("9"); |
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126 | pingvin | 156 | */ |
123 | pingvin | 157 | |
126 | pingvin | 158 | // editor->addItem("0"); |
159 | |||
160 | editor->addItems(Name_list); |
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123 | pingvin | 161 | return editor; |
162 | } |
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163 | //! [1] |
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164 | |||
165 | //! [2] |
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166 | void SpinBoxDelegate::setEditorData(QWidget *editor, |
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167 | const QModelIndex &index) const |
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168 | { |
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169 | // int value = index.model()->data(index, Qt::EditRole).toInt(); |
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170 | |||
171 | // QSpinBox *spinBox = static_cast<QSpinBox*>(editor); |
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172 | // spinBox->setValue(value); |
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173 | QString value = index.model()->data(index, Qt::EditRole).toString(); |
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174 | QComboBox *comboBox = static_cast<QComboBox*>(editor); |
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126 | pingvin | 175 | |
176 | QStringList ID_list; |
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177 | QStringList Name_list; |
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178 | int curr_index; |
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179 | |||
180 | ID_list = items.keys(); |
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181 | Name_list = items.values(); |
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182 | |||
183 | curr_index = ID_list.indexOf(value); |
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184 | comboBox->setCurrentIndex(curr_index); |
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185 | /**************************************************** |
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123 | pingvin | 186 | if (value == "0") comboBox->setCurrentIndex(0); |
187 | if (value == "1") comboBox->setCurrentIndex(1); |
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188 | if (value == "2") comboBox->setCurrentIndex(2); |
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189 | if (value == "3") comboBox->setCurrentIndex(3); |
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190 | if (value == "4") comboBox->setCurrentIndex(4); |
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191 | if (value == "5") comboBox->setCurrentIndex(5); |
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192 | if (value == "6") comboBox->setCurrentIndex(6); |
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193 | if (value == "7") comboBox->setCurrentIndex(7); |
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194 | if (value == "8") comboBox->setCurrentIndex(8); |
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195 | if (value == "9") comboBox->setCurrentIndex(9); |
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126 | pingvin | 196 | ******************************************************/ |
123 | pingvin | 197 | comboBox->setEditable(true); |
198 | |||
199 | |||
200 | //comboBox->setItemText(0, value); |
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201 | |||
202 | } |
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203 | //! [2] |
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204 | |||
205 | //! [3] |
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206 | void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, |
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207 | const QModelIndex &index) const |
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208 | { |
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209 | // QSpinBox *spinBox = static_cast<QSpinBox*>(editor); |
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210 | // spinBox->interpretText(); |
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211 | // int value = spinBox->value(); |
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212 | |||
213 | // model->setData(index, value, Qt::EditRole); |
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126 | pingvin | 214 | QStringList ID_list; |
215 | QStringList Name_list; |
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123 | pingvin | 216 | |
217 | QComboBox *comboBox = static_cast<QComboBox*>(editor); |
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218 | int currIndex; |
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219 | currIndex = comboBox->currentIndex(); |
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126 | pingvin | 220 | // QString value = comboBox->itemText(currIndex); |
221 | |||
222 | ID_list = items.keys(); |
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223 | Name_list = items.values(); |
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224 | |||
225 | QString value = ID_list.at(currIndex); |
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123 | pingvin | 226 | model->setData(index, value, Qt::EditRole); |
227 | } |
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228 | //! [3] |
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229 | |||
230 | //! [4] |
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231 | void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, |
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232 | const QStyleOptionViewItem &option, const QModelIndex &/* index */) const |
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233 | { |
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234 | editor->setGeometry(option.rect); |
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235 | } |
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236 | //! [4] |
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237 | MyDEDelegate::MyDEDelegate( |
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238 | bool calpopup, |
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239 | QObject *parent) |
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240 | : QItemDelegate(parent), |
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241 | m_calpopup(calpopup) { |
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242 | } |
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243 | |||
244 | QWidget *MyDEDelegate::createEditor( |
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245 | QWidget *parent, |
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246 | const QStyleOptionViewItem& /* option */, |
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247 | const QModelIndex& /* index */) const { |
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248 | QDateEdit *editor = new QDateEdit(parent); |
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249 | editor->setCalendarPopup(m_calpopup); |
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250 | editor->installEventFilter(const_cast<MyDEDelegate*>(this)); |
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251 | return editor; |
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252 | } |
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253 | |||
254 | void MyDEDelegate::setEditorData( |
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255 | QWidget *editor, |
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256 | const QModelIndex &index) const { |
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257 | QDate value = index.model()->data( |
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258 | index, Qt::EditRole).toDate(); |
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259 | QDateEdit *de = static_cast<QDateEdit*>(editor); |
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260 | de->setDate(value); |
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261 | } |
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262 | |||
263 | void MyDEDelegate::setModelData( |
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264 | QWidget *editor, |
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265 | QAbstractItemModel *model, |
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266 | const QModelIndex& index) const { |
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267 | QDateEdit *de = static_cast<QDateEdit*>(editor); |
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268 | de->interpretText(); |
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269 | QDate value = de->date(); |
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270 | model->setData(index, value); |
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271 | } |
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272 | |||
273 | void MyDEDelegate::updateEditorGeometry( |
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274 | QWidget *editor, |
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275 | const QStyleOptionViewItem &option, |
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276 | const QModelIndex& /* index */) const { |
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277 | editor->setGeometry(option.rect); |
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278 | } |