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123 pingvin 1
 
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
13
** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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44
/*
45
    delegate.cpp
46
 
47
    A delegate that allows the user to change integer values from the model
48
    using a spin box widget.
49
*/
50
 
51
#include <QtGui>
52
 
53
#include "delegate.h"
54
 
55
 
56
//! [0]
57
SpinBoxDelegate::SpinBoxDelegate(QObject *parent)
58
    : QItemDelegate(parent)
59
{
60
}
61
//! [0]
62
 
126 pingvin 63
void SpinBoxDelegate::setInctance(QString newInctance){
64
    inctance = newInctance;
65
}
66
 
67
void SpinBoxDelegate::getItems(){
68
    QMap <QString, QString> result_map;
69
    QSqlQuery q;
70
    QString query_str;
71
    bool ok;
72
 
73
    if (SpinBoxDelegate::inctance.isEmpty())
74
    {
75
        items.clear();
76
        return;
77
    }
78
 
79
    query_str = tr("select * from `");
80
    query_str.append(inctance);
81
    query_str.append( tr("`"));
82
 
83
    q.prepare(query_str);
84
 
85
 
86
    ok = q.exec();
87
 
88
 
89
 
90
 
91
    if (!ok) {
92
                            /*
93
                            QString error_str;
94
                            error_str =  tr("       ");
95
                            error_str.append(inctance);
96
                            QMessageBox::critical( //     .
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                                                                            this,                      //  .
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                                                                            QObject::tr("Database Error"),   // .
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                                                                            q.lastError().text());          //  .
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                                                                        //    tr("       "));    //  .
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102
                            */
103
                            items.clear();
104
                            return;
105
                        }
106
 
107
 
108
 //   field_inctance = q.record().indexOf(tr("TableWhithInstance"));
129 pingvin 109
    items.clear();
126 pingvin 110
    while(q.next()){
111
 
112
                  QString ID;
113
                  QString Name;
114
                  ID = q.value(0).toString(); //  ID
115
                  Name = q.value(1).toString(); //  Name
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                  items.insert(ID, Name);
117
                }
118
 
119
 
120
 //   return result_map;
121
}
122
 
123
 
123 pingvin 124
//! [1]
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QWidget *SpinBoxDelegate::createEditor(QWidget *parent,
126
    const QStyleOptionViewItem &/* option */,
127
    const QModelIndex &/* index */) const
128
{
129
    //QSpinBox *editor = new QSpinBox(parent);
130
    //editor->setMinimum(0);
131
    //editor->setMaximum(100);
126 pingvin 132
    QStringList ID_list;
133
    QStringList Name_list;
134
 
135
  // getItems();
136
 
137
 
138
 
139
 
140
 
141
    ID_list = items.keys();
142
    Name_list = items.values();
143
 
123 pingvin 144
    QComboBox *editor = new QComboBox(parent);
126 pingvin 145
 
146
/*
123 pingvin 147
    editor->addItem("0");
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    editor->addItem("1");
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    editor->addItem("2");
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    editor->addItem("3");
151
    editor->addItem("4");
152
    editor->addItem("5");
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    editor->addItem("6");
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    editor->addItem("7");
155
    editor->addItem("8");
156
    editor->addItem("9");
126 pingvin 157
*/
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126 pingvin 159
//  editor->addItem("0");
160
 
161
    editor->addItems(Name_list);
123 pingvin 162
    return editor;
163
}
164
//! [1]
165
 
166
//! [2]
167
void SpinBoxDelegate::setEditorData(QWidget *editor,
168
                                    const QModelIndex &index) const
169
{
170
   // int value = index.model()->data(index, Qt::EditRole).toInt();
171
 
172
 //   QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
173
 //   spinBox->setValue(value);
174
QString value = index.model()->data(index, Qt::EditRole).toString();
136 pingvin 175
 
123 pingvin 176
QComboBox *comboBox = static_cast<QComboBox*>(editor);
126 pingvin 177
 
178
QStringList ID_list;
179
QStringList Name_list;
180
int curr_index;
181
 
182
ID_list = items.keys();
183
Name_list = items.values();
184
 
185
curr_index = ID_list.indexOf(value);
136 pingvin 186
if (curr_index==-1) return;
126 pingvin 187
comboBox->setCurrentIndex(curr_index);
188
/****************************************************
123 pingvin 189
if (value == "0") comboBox->setCurrentIndex(0);
190
if (value == "1") comboBox->setCurrentIndex(1);
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if (value == "2") comboBox->setCurrentIndex(2);
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if (value == "3") comboBox->setCurrentIndex(3);
193
if (value == "4") comboBox->setCurrentIndex(4);
194
if (value == "5") comboBox->setCurrentIndex(5);
195
if (value == "6") comboBox->setCurrentIndex(6);
196
if (value == "7") comboBox->setCurrentIndex(7);
197
if (value == "8") comboBox->setCurrentIndex(8);
198
if (value == "9") comboBox->setCurrentIndex(9);
126 pingvin 199
******************************************************/
123 pingvin 200
comboBox->setEditable(true);
201
 
202
 
203
//comboBox->setItemText(0, value);
204
 
205
}
206
//! [2]
207
 
208
//! [3]
209
void SpinBoxDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
210
                                   const QModelIndex &index) const
211
{
212
  //  QSpinBox *spinBox = static_cast<QSpinBox*>(editor);
213
  //  spinBox->interpretText();
214
  //  int value = spinBox->value();
215
 
216
  //  model->setData(index, value, Qt::EditRole);
126 pingvin 217
    QStringList ID_list;
218
    QStringList Name_list;
123 pingvin 219
 
220
    QComboBox *comboBox = static_cast<QComboBox*>(editor);
221
    int currIndex;
222
    currIndex = comboBox->currentIndex();
136 pingvin 223
    if (currIndex==-1) return;
126 pingvin 224
  //  QString value = comboBox->itemText(currIndex);
225
 
226
    ID_list = items.keys();
227
    Name_list = items.values();
228
 
229
    QString value = ID_list.at(currIndex);
123 pingvin 230
    model->setData(index, value, Qt::EditRole);
231
}
232
//! [3]
233
 
234
//! [4]
235
void SpinBoxDelegate::updateEditorGeometry(QWidget *editor,
236
    const QStyleOptionViewItem &option, const QModelIndex &/* index */) const
237
{
238
    editor->setGeometry(option.rect);
239
}
240
//! [4]
241
MyDEDelegate::MyDEDelegate(
242
                       bool calpopup,
243
                       QObject *parent)
244
               : QItemDelegate(parent),
245
                 m_calpopup(calpopup) {
246
   }
247
 
248
   QWidget *MyDEDelegate::createEditor(
249
               QWidget *parent,
250
               const QStyleOptionViewItem& /* option */,
251
               const QModelIndex& /* index */) const {
252
       QDateEdit *editor = new QDateEdit(parent);
253
       editor->setCalendarPopup(m_calpopup);
254
       editor->installEventFilter(const_cast<MyDEDelegate*>(this));
255
       return editor;
256
   }
257
 
258
   void MyDEDelegate::setEditorData(
259
                   QWidget *editor,
260
                   const QModelIndex &index) const {
261
       QDate value = index.model()->data(
262
               index, Qt::EditRole).toDate();
263
       QDateEdit *de = static_cast<QDateEdit*>(editor);
264
       de->setDate(value);
265
   }
266
 
267
   void MyDEDelegate::setModelData(
268
               QWidget *editor,
269
               QAbstractItemModel *model,
270
               const QModelIndex& index) const {
271
       QDateEdit *de = static_cast<QDateEdit*>(editor);
272
       de->interpretText();
273
       QDate value = de->date();
274
       model->setData(index, value);
275
   }
276
 
277
   void MyDEDelegate::updateEditorGeometry(
278
               QWidget *editor,
279
               const QStyleOptionViewItem &option,
280
               const QModelIndex& /* index */) const {
169 pingvin 281
 
282
 
283
 
123 pingvin 284
       editor->setGeometry(option.rect);
285
   }
138 pingvin 286
 
287
 
288
 
289
 
290
 
291
   CPictureDelegate::CPictureDelegate( QObject * parent ) : QItemDelegate(parent)
292
   {
293
   }
294
 
295
   void CPictureDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
296
   {
297
           m_pxPicture.fill( QColor(Qt::white) );
298
 
299
           const QAbstractItemModel * model = index.model();
300
           QString sFileName = model->data( index, Qt::DisplayRole ).toString();
301
 
302
           if ( !sFileName.isEmpty() )
303
                   m_pxPicture.load( sFileName );
304
           else {
305
               //QItemDelegate::paint(painter, option, index);
306
           return;
307
           }
308
 
309
           QPalette::ColorGroup cg = (option.state & QStyle::State_Enabled) ?
310
                                                             ((option.state & QStyle::State_Active) ? QPalette::Normal : QPalette::Inactive ) :
311
                                                             QPalette::Disabled;
312
 
313
            if (option.state & QStyle::State_Selected)
314
                    painter->fillRect(option.rect, option.palette.color(cg, QPalette::Highlight));
315
 
316
           int nX = option.rect.x() + ( ( option.rect.width() - m_pxPicture.rect().width() ) / 2 );
317
           int nY = option.rect.y() + ( ( option.rect.height() - m_pxPicture.rect().height() ) / 2 );
318
           painter->drawPixmap( nX, nY, m_pxPicture );
319
 
320
 
321
       ////    drawFocus(painter, option, option.rect.adjusted(0, 0, -1, -1)); // since we draw the grid ourselves
322
 
323
           /*
324
           QPen pen = painter->pen();
325
           painter->setPen(option.palette.color(QPalette::Mid));
326
           painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight());
327
           painter->drawLine(option.rect.topRight(), option.rect.bottomRight());
328
           painter->setPen(pen);
329
   */
330
   }
158 pingvin 331
 
332
 
333
 
334
 
335
   void TimeEditDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option,
336
                            const QModelIndex &index) const
337
   {
338
       int datetime = index.model()->data(index, Qt::DisplayRole).toInt();
339
 
340
       QString indexvalue = "";
341
 
342
       if (datetime > 0)
343
       {
344
           QDateTime dateTime2 = QDateTime();
345
           dateTime2.setTime_t(datetime);
346
           indexvalue = dateTime2.toString(this->timeformat);
347
       }
348
       else
349
       {
350
           indexvalue = tr("Date not set");
351
       }
352
 
353
       Q_ASSERT(index.isValid());
354
 
355
       QStyleOptionViewItemV3 opt = setOptions(index, option);
356
 
357
       const QStyleOptionViewItemV2 *v2 = qstyleoption_cast<const QStyleOptionViewItemV2 *>(&option);
358
       opt.features = v2 ? v2->features
359
                       : QStyleOptionViewItemV2::ViewItemFeatures(QStyleOptionViewItemV2::None);
360
       const QStyleOptionViewItemV3 *v3 = qstyleoption_cast<const QStyleOptionViewItemV3 *>(&option);
361
       opt.locale = v3 ? v3->locale : QLocale();
362
       opt.widget = v3 ? v3->widget : 0;
363
 
364
       // prepare
365
       painter->save();
366
 
367
       painter->setClipRect(opt.rect);
368
 
369
       // get the data and the rectangles
370
       QVariant value;
371
 
372
       QPixmap pixmap;
373
       QRect decorationRect;
374
       value = index.data(Qt::DecorationRole);
375
 
376
       QString text;
377
       QRect displayRect;
378
       value = index.data(Qt::DisplayRole);
379
       if (value.isValid()) {
380
           text = indexvalue;
381
           displayRect = textRectangle(painter, option.rect, opt.font, text);
382
       }
383
 
384
       QRect checkRect;
385
       Qt::CheckState checkState = Qt::Unchecked;
386
       value = index.data(Qt::CheckStateRole);
387
       if (value.isValid()) {
388
           checkState = static_cast<Qt::CheckState>(value.toInt());
389
           checkRect = check(opt, opt.rect, value);
390
       }
391
 
392
       // do the layout
393
       doLayout(opt, &checkRect, &decorationRect, &displayRect, false);
394
       // draw the item
395
 
396
       drawBackground(painter, opt, index);
397
       drawCheck(painter, opt, checkRect, checkState);
398
       drawDecoration(painter, opt, decorationRect, pixmap);
399
       drawDisplay(painter, opt, displayRect, text);
400
       drawFocus(painter, opt, displayRect);
401
 
402
       // done
403
       painter->restore();
404
   }