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53 | pingvin | 1 | |
2 | /**************************************************************************** |
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3 | ** |
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4 | ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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5 | ** All rights reserved. |
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6 | ** Contact: Nokia Corporation (qt-info@nokia.com) |
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7 | ** |
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8 | ** This file is part of the examples of the Qt Toolkit. |
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9 | ** |
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10 | ** $QT_BEGIN_LICENSE:LGPL$ |
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11 | ** Commercial Usage |
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12 | ** Licensees holding valid Qt Commercial licenses may use this file in |
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13 | ** accordance with the Qt Commercial License Agreement provided with the |
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14 | ** Software or, alternatively, in accordance with the terms contained in |
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15 | ** a written agreement between you and Nokia. |
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16 | ** |
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17 | ** GNU Lesser General Public License Usage |
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18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
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19 | ** General Public License version 2.1 as published by the Free Software |
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20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
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21 | ** packaging of this file. Please review the following information to |
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22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
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23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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24 | ** |
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25 | ** In addition, as a special exception, Nokia gives you certain additional |
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26 | ** rights. These rights are described in the Nokia Qt LGPL Exception |
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27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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28 | ** |
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29 | ** GNU General Public License Usage |
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30 | ** Alternatively, this file may be used under the terms of the GNU |
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31 | ** General Public License version 3.0 as published by the Free Software |
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32 | ** Foundation and appearing in the file LICENSE.GPL included in the |
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33 | ** packaging of this file. Please review the following information to |
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34 | ** ensure the GNU General Public License version 3.0 requirements will be |
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35 | ** met: http://www.gnu.org/copyleft/gpl.html. |
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36 | ** |
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37 | ** If you have questions regarding the use of this file, please contact |
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38 | ** Nokia at qt-info@nokia.com. |
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39 | ** $QT_END_LICENSE$ |
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40 | ** |
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41 | ****************************************************************************/ |
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42 | |||
43 | /* |
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44 | delegate.cpp |
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45 | |||
46 | A delegate that allows the user to change integer values from the model |
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47 | using a spin box widget. |
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48 | */ |
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49 | |||
50 | #include <QtGui> |
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51 | |||
52 | #include "delegate.h" |
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53 | |||
54 | |||
55 | //! [0] |
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56 | SpinBoxDelegate::SpinBoxDelegate(QObject *parent) |
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57 | : QItemDelegate(parent) |
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58 | { |
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134 | pingvin | 59 | // SpinBoxDelegate::getItems(); |
53 | pingvin | 60 | } |
61 | //! [0] |
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62 | |||
63 | //! [1] |
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64 | QWidget *SpinBoxDelegate::createEditor(QWidget *parent, |
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65 | const QStyleOptionViewItem &/* option */, |
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66 | const QModelIndex &/* index */) const |
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67 | { |
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134 | pingvin | 68 | QStringList ID_list; |
69 | QStringList Name_list; |
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70 | |||
71 | // getItems(); |
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72 | |||
73 | |||
74 | |||
75 | |||
76 | |||
77 | ID_list = items.keys(); |
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78 | Name_list = items.values(); |
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79 | |||
53 | pingvin | 80 | QComboBox *editor = new QComboBox(parent); |
134 | pingvin | 81 | |
82 | /* |
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53 | pingvin | 83 | editor->addItem("0"); |
84 | editor->addItem("1"); |
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85 | editor->addItem("2"); |
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86 | editor->addItem("3"); |
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87 | editor->addItem("4"); |
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88 | editor->addItem("5"); |
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89 | editor->addItem("6"); |
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90 | editor->addItem("7"); |
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91 | editor->addItem("8"); |
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92 | editor->addItem("9"); |
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134 | pingvin | 93 | */ |
53 | pingvin | 94 | |
134 | pingvin | 95 | // editor->addItem("0"); |
96 | |||
97 | editor->addItems(Name_list); |
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53 | pingvin | 98 | return editor; |
99 | } |
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100 | //! [1] |
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101 | |||
102 | //! [2] |
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103 | void SpinBoxDelegate::setEditorData(QWidget *editor, |
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104 | const QModelIndex &index) const |
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105 | { |
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134 | pingvin | 106 | QString value = index.model()->data(index, Qt::EditRole).toString(); |
107 | QComboBox *comboBox = static_cast<QComboBox*>(editor); |
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53 | pingvin | 108 | |
134 | pingvin | 109 | QStringList ID_list; |
110 | QStringList Name_list; |
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111 | int curr_index; |
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53 | pingvin | 112 | |
134 | pingvin | 113 | ID_list = items.keys(); |
114 | Name_list = items.values(); |
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53 | pingvin | 115 | |
134 | pingvin | 116 | curr_index = ID_list.indexOf(value); |
117 | comboBox->setCurrentIndex(curr_index); |
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118 | /**************************************************** |
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119 | if (value == "0") comboBox->setCurrentIndex(0); |
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120 | if (value == "1") comboBox->setCurrentIndex(1); |
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121 | if (value == "2") comboBox->setCurrentIndex(2); |
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122 | if (value == "3") comboBox->setCurrentIndex(3); |
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123 | if (value == "4") comboBox->setCurrentIndex(4); |
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124 | if (value == "5") comboBox->setCurrentIndex(5); |
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125 | if (value == "6") comboBox->setCurrentIndex(6); |
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126 | if (value == "7") comboBox->setCurrentIndex(7); |
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127 | if (value == "8") comboBox->setCurrentIndex(8); |
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128 | if (value == "9") comboBox->setCurrentIndex(9); |
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129 | ******************************************************/ |
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130 | comboBox->setEditable(true); |
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131 | |||
132 | |||
53 | pingvin | 133 | //comboBox->setItemText(0, value); |
134 | |||
135 | } |
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136 | //! [2] |
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137 | |||
138 | //! [3] |
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139 | void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model, |
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140 | const QModelIndex &index) const |
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141 | { |
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134 | pingvin | 142 | QStringList ID_list; |
143 | QStringList Name_list; |
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53 | pingvin | 144 | |
145 | QComboBox *comboBox = static_cast<QComboBox*>(editor); |
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146 | int currIndex; |
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147 | currIndex = comboBox->currentIndex(); |
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134 | pingvin | 148 | // QString value = comboBox->itemText(currIndex); |
149 | |||
150 | ID_list = items.keys(); |
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151 | Name_list = items.values(); |
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152 | |||
153 | QString value = ID_list.at(currIndex); |
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53 | pingvin | 154 | model->setData(index, value, Qt::EditRole); |
134 | pingvin | 155 | |
156 | |||
53 | pingvin | 157 | } |
158 | //! [3] |
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159 | |||
160 | //! [4] |
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161 | void SpinBoxDelegate::updateEditorGeometry(QWidget *editor, |
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162 | const QStyleOptionViewItem &option, const QModelIndex &/* index */) const |
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163 | { |
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164 | editor->setGeometry(option.rect); |
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165 | } |
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166 | //! [4] |
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134 | pingvin | 167 | |
168 | void SpinBoxDelegate::getItems(){ |
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169 | QMap <QString, QString> result_map; |
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170 | QSqlQuery q; |
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171 | QString query_str; |
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172 | bool ok; |
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173 | |||
174 | query_str = tr("select * from `ListOfClasses`"); |
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175 | q.prepare(query_str); |
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176 | |||
177 | |||
178 | ok = q.exec(); |
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179 | |||
180 | |||
181 | |||
182 | |||
183 | if (!ok) { |
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184 | /* |
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185 | QString error_str; |
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186 | error_str = tr(" "); |
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187 | error_str.append(inctance); |
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188 | QMessageBox::critical( // . |
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189 | this, // . |
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190 | QObject::tr("Database Error"), // . |
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191 | q.lastError().text()); // . |
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192 | // tr(" ")); // . |
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193 | |||
194 | */ |
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195 | items.clear(); |
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196 | return; |
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197 | } |
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198 | |||
199 | |||
200 | // field_inctance = q.record().indexOf(tr("TableWhithInstance")); |
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201 | items.clear(); |
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202 | while(q.next()){ |
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203 | |||
204 | QString ID; |
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205 | QString ClassName; |
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206 | ID = q.value(0).toString(); // ID |
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207 | ClassName = q.value(1).toString(); // Name |
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208 | items.insert(ID, ClassName); |
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209 | } |
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210 | |||
211 | |||
212 | // return result_map; |
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213 | } |
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214 | |||
215 | |||
216 | |||
217 | |||
218 | |||
219 | |||
220 | |||
221 | |||
222 | |||
223 | |||
224 | |||
225 | |||
226 | |||
227 | |||
228 | |||
229 | |||
230 | |||
53 | pingvin | 231 | MyDEDelegate::MyDEDelegate( |
232 | bool calpopup, |
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233 | QObject *parent) |
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234 | : QItemDelegate(parent), |
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235 | m_calpopup(calpopup) { |
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236 | } |
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237 | |||
238 | QWidget *MyDEDelegate::createEditor( |
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239 | QWidget *parent, |
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240 | const QStyleOptionViewItem& /* option */, |
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241 | const QModelIndex& /* index */) const { |
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242 | QDateEdit *editor = new QDateEdit(parent); |
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243 | editor->setCalendarPopup(m_calpopup); |
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244 | editor->installEventFilter(const_cast<MyDEDelegate*>(this)); |
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245 | return editor; |
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246 | } |
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247 | |||
248 | void MyDEDelegate::setEditorData( |
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249 | QWidget *editor, |
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250 | const QModelIndex &index) const { |
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251 | QDate value = index.model()->data( |
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252 | index, Qt::EditRole).toDate(); |
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253 | QDateEdit *de = static_cast<QDateEdit*>(editor); |
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254 | de->setDate(value); |
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255 | } |
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256 | |||
257 | void MyDEDelegate::setModelData( |
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258 | QWidget *editor, |
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259 | QAbstractItemModel *model, |
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260 | const QModelIndex& index) const { |
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261 | QDateEdit *de = static_cast<QDateEdit*>(editor); |
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262 | de->interpretText(); |
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263 | QDate value = de->date(); |
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264 | model->setData(index, value); |
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265 | } |
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266 | |||
267 | void MyDEDelegate::updateEditorGeometry( |
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268 | QWidget *editor, |
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269 | const QStyleOptionViewItem &option, |
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270 | const QModelIndex& /* index */) const { |
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271 | editor->setGeometry(option.rect); |
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272 | } |
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134 | pingvin | 273 | |
274 | |||
161 | pingvin | 275 | |
276 | CPictureDelegate::CPictureDelegate( QObject * parent ) : QItemDelegate(parent) |
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277 | { |
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278 | } |
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279 | |||
280 | void CPictureDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const |
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281 | { |
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282 | m_pxPicture.fill( QColor(Qt::white) ); |
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283 | |||
284 | const QAbstractItemModel * model = index.model(); |
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285 | QString sFileName = model->data( index, Qt::DisplayRole ).toString(); |
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286 | |||
287 | QVariant currentImage = model->data(index,0); |
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288 | |||
289 | |||
290 | QByteArray bytes = currentImage.toByteArray(); |
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291 | // QImage image; |
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292 | // image.loadFromData(bytes); |
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293 | |||
294 | |||
295 | if (currentImage.isValid()) { |
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296 | m_pxPicture.loadFromData(bytes); |
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297 | } |
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298 | else { |
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299 | //QItemDelegate::paint(painter, option, index); |
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300 | return; |
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301 | } |
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302 | |||
303 | |||
304 | /* |
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305 | |||
306 | if ( !sFileName.isEmpty() ) |
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307 | m_pxPicture.load( sFileName ); |
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308 | else { |
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309 | //QItemDelegate::paint(painter, option, index); |
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310 | return; |
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311 | } |
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312 | */ |
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313 | |||
314 | |||
315 | QPalette::ColorGroup cg = (option.state & QStyle::State_Enabled) ? |
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316 | ((option.state & QStyle::State_Active) ? QPalette::Normal : QPalette::Inactive ) : |
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317 | QPalette::Disabled; |
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318 | |||
319 | if (option.state & QStyle::State_Selected) |
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320 | painter->fillRect(option.rect, option.palette.color(cg, QPalette::Highlight)); |
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321 | |||
322 | int nX = option.rect.x() + ( ( option.rect.width() - m_pxPicture.rect().width() ) / 2 ); |
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323 | int nY = option.rect.y() + ( ( option.rect.height() - m_pxPicture.rect().height() ) / 2 ); |
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324 | painter->drawPixmap( nX, nY, m_pxPicture ); |
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325 | |||
326 | |||
327 | //// drawFocus(painter, option, option.rect.adjusted(0, 0, -1, -1)); // since we draw the grid ourselves |
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328 | |||
329 | /* |
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330 | QPen pen = painter->pen(); |
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331 | painter->setPen(option.palette.color(QPalette::Mid)); |
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332 | painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight()); |
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333 | painter->drawLine(option.rect.topRight(), option.rect.bottomRight()); |
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334 | painter->setPen(pen); |
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335 | */ |
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336 | } |
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337 | |||
338 |