source: src/mvc/delegate.cpp @ 446bce4

qt5
Last change on this file since 446bce4 was 446bce4, checked in by pavelpa <pavelpa@…>, 12 years ago

fixed: icons overlapped
  • Property mode set to 100644
File size: 10.7 KB
Line 
1#include "delegate.h"
2#include "eventmodel.h"
3
4#include <QDebug>
5#include <QPainter>
6
7const int RADIUS = 10;
8const int SPACER = 15;
9
10Delegate::Delegate(QTreeView *aParent)
11    : QItemDelegate(aParent)
12    , mViewPtr(aParent)
13{
14    mControls.clear();
15    defineControls();
16}
17
18Delegate::~Delegate()
19{
20    QListIterator<ControlId> i(mControls.keys());
21    while (i.hasNext())
22    {
23        delete mControls[i.next()]->image();
24    }
25}
26
27void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const
28{
29    if(!mViewPtr)
30        return;
31
32    painter->save();
33
34    QColor bkgrColor = Qt::cyan;
35    QPen borderPen(bkgrColor.darker());
36    if(hasParent(index))
37    {
38        if(isLast(index))
39        {
40            QLinearGradient lastGradient(option.rect.topLeft(), option.rect.bottomLeft());
41            lastGradient.setColorAt(0.0, Qt::white);
42            lastGradient.setColorAt(0.5, bkgrColor);
43            lastGradient.setColorAt(1.0, Qt::white);
44
45            QPainterPath endPath;
46            endPath.moveTo(option.rect.topLeft());
47            endPath.lineTo(option.rect.bottomLeft()-QPoint(0, RADIUS));
48            endPath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 180, 90);
49            endPath.lineTo(option.rect.bottomRight()-QPoint(RADIUS, 0));
50            endPath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, 90);
51            endPath.lineTo(option.rect.topRight());
52
53            //painter->setBrush( bkgrColor );
54            painter->setBrush(lastGradient);
55            painter->setPen(borderPen);
56            painter->drawPath(endPath);
57
58            painter->setFont(option.font);
59        }
60        else // middle elements
61        {
62
63            QLinearGradient middleGradient(option.rect.topLeft(), option.rect.bottomLeft());
64            middleGradient.setColorAt(0.0, Qt::white);
65            middleGradient.setColorAt(0.25, bkgrColor);
66            middleGradient.setColorAt(0.5, Qt::white);
67            middleGradient.setColorAt(0.75, bkgrColor);
68            middleGradient.setColorAt(1.0, Qt::white);
69
70            //painter->setBrush( bkgrColor );
71            painter->setBrush(middleGradient);
72            painter->setPen(Qt::NoPen);
73            painter->drawRect(option.rect);
74
75            painter->setPen(borderPen);
76            // vertical lines
77            painter->drawLine(option.rect.topLeft(), option.rect.bottomLeft());
78            painter->drawLine(option.rect.topRight(), option.rect.bottomRight());
79            // horizontal lines
80            painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight());
81
82            painter->setFont(option.font);
83        }
84
85        // draw Controls
86        // favourite
87        if(static_cast<Event*>(index.internalPointer())->isFavourite())
88            painter->drawImage(mControls[FavouriteControlOn]->drawPoint(option.rect),*mControls[FavouriteControlOn]->image());
89        else
90            painter->drawImage(mControls[FavouriteControlOff]->drawPoint(option.rect),*mControls[FavouriteControlOff]->image());
91        // alarm
92        if(static_cast<Event*>(index.internalPointer())->hasAlarm())
93            painter->drawImage(mControls[AlarmControlOn]->drawPoint(option.rect),*mControls[AlarmControlOn]->image());
94        else
95            painter->drawImage(mControls[AlarmControlOff]->drawPoint(option.rect),*mControls[AlarmControlOff]->image());
96        // map
97        painter->drawImage(mControls[MapControl]->drawPoint(option.rect),*mControls[MapControl]->image());
98    }
99    else // doesn't have parent - time-groups' elements (top items)
100    {
101        QLinearGradient titleGradient(option.rect.topLeft(), option.rect.topRight());
102        //titleGradient.setColorAt(0.0, Qt::white);
103        titleGradient.setColorAt(0.0, bkgrColor);
104        titleGradient.setColorAt(0.5, Qt::white);
105        titleGradient.setColorAt(1.0, bkgrColor);
106
107        QPainterPath titlePath;
108        if(isExpanded(index))
109        {
110            titlePath.moveTo(option.rect.bottomLeft());
111            titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS));
112            titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90);
113            titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0));
114            titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90);
115            titlePath.lineTo(option.rect.bottomRight());
116            titlePath.closeSubpath();
117        }
118        else
119        {
120            titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS));
121            titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90);
122            titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0));
123            titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90);
124            titlePath.lineTo(option.rect.bottomRight()-QPoint(0, RADIUS));
125            titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 0, -90);
126            titlePath.lineTo(option.rect.bottomLeft()+QPoint(RADIUS, 0));
127            titlePath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, -90);     
128            titlePath.closeSubpath();
129        }
130
131        painter->setBrush(titleGradient);
132        painter->setPen(borderPen);
133        painter->drawPath(titlePath);
134
135        QFont font = option.font;
136        font.setBold(true);
137        painter->setFont(font);
138
139        // draw icons
140        QPoint drawPoint =
141            option.rect.topRight()
142            - QPoint(
143                    SPACER + mControls[FavouriteControlOn]->image()->width(),
144                    - option.rect.height()/2 + mControls[FavouriteControlOn]->image()->height()/2);
145        painter->drawImage(drawPoint,*mControls[FavouriteControlOn]->image());
146        painter->drawText(drawPoint+QPoint(mControls[FavouriteControlOn]->image()->width()+2, option.rect.height()/2),
147                QString::number(numberOfFavourities(index)));
148        drawPoint.setX(drawPoint.x() - SPACER - mControls[FavouriteControlOn]->image()->width());
149        painter->drawImage(drawPoint,*mControls[AlarmControlOn]->image());
150        painter->drawText(drawPoint+QPoint(mControls[FavouriteControlOn]->image()->width()+2, option.rect.height()/2),
151                QString::number(numberOfAlarms(index)));
152        // draw texts
153        drawPoint.setX(drawPoint.x() - SPACER -mControls[AlarmControlOn]->image()->width() - 35);
154        drawPoint.setY(drawPoint.y() + option.rect.height()/2);
155        painter->drawText(drawPoint,QString("Events: ") + QString::number(index.model()->rowCount(index)));
156    }
157
158    //// HIGHLIGHTING SELECTED ITEM
159    //if (option.state & QStyle::State_Selected)
160        //painter->fillRect(option.rect, option.palette.highlight());
161
162    // draw title
163    QPointF titlePointF(option.rect.x()+SPACER,option.rect.y()+option.rect.height()-10);
164    QString text;
165    if(index.parent().isValid()) // event
166        text = qVariantValue<QString>(index.data()) + ": " + static_cast<Event*>(index.internalPointer())->title();
167    else // group
168        text = qVariantValue<QString>(index.data());
169    painter->drawText(titlePointF,text);
170
171    painter->restore();
172}
173
174QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
175{
176    Q_UNUSED(option)
177
178    if (index.internalId() == 0) // time group
179    {
180        return QSize(30,30);
181    }
182    else // event
183    {
184        return QSize(100,100);
185    }
186}
187
188bool Delegate::hasParent( const QModelIndex &index ) const
189{
190    if( index.parent().isValid() )
191        return true;
192    else
193        return false;
194}
195 
196bool Delegate::isLast( const QModelIndex &index ) const
197{
198    if(!hasParent(index))
199        return false; // what should be returned here?
200
201    if(index.row() >= (index.model()->rowCount(index.parent())-1))
202        return true;
203    else
204        return false;
205}
206
207bool Delegate::isExpanded( const QModelIndex &index ) const
208{
209    if( !mViewPtr )
210        return false;
211    else
212        return mViewPtr->isExpanded( index );
213}
214
215Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, const QPoint &aPoint) const
216{
217    if(!hasParent(aIndex)) // time-group item (root item)
218        return ControlNone;
219
220    QListIterator<ControlId> i(mControls.keys());
221    while (i.hasNext())
222    {
223        ControlId id = i.next();
224        if(mControls[id]->drawRect(static_cast<QTreeView*>(parent())->visualRect(aIndex)).contains(aPoint))
225            return id;
226    }
227
228    return ControlNone;
229}
230
231void Delegate::defineControls()
232{
233    Control *control;
234    QPoint p(0,0);
235    // FAVOURITE ICONs
236    // on
237    control = new Control(FavouriteControlOn,QString(":icons/favourite-on.png"));
238    p = QPoint(0,SPACER);
239    p.setX(p.x()-control->image()->width()-SPACER);
240    control->setDrawPoint(p);
241    mControls.insert(FavouriteControlOn,control);
242    // off
243    control = new Control(FavouriteControlOff,QString(":icons/favourite-off.png"));
244    p = QPoint(0,SPACER);
245    p.setX(p.x()-control->image()->width()-SPACER);
246    control->setDrawPoint(p);
247    mControls.insert(FavouriteControlOff,control);
248
249    // ALARM ICONs
250    // on
251    control = new Control(AlarmControlOn,QString(":icons/alarm-on.png"));
252    p = mControls[FavouriteControlOn]->drawPoint();
253    p.setX(p.x()-control->image()->width()-SPACER);
254    control->setDrawPoint(p);
255    mControls.insert(AlarmControlOn,control);
256    // off
257    control = new Control(AlarmControlOff,QString(":icons/alarm-off.png"));
258    p = mControls[FavouriteControlOff]->drawPoint();
259    p.setX(p.x()-control->image()->width()-SPACER);
260    control->setDrawPoint(p);
261    mControls.insert(AlarmControlOff,control);
262
263    // MAP ICON
264    control = new Control(MapControl,QString(":icons/compass.png"));
265    p = mControls[AlarmControlOn]->drawPoint();
266    p.setX(p.x()-control->image()->width()-SPACER);
267    control->setDrawPoint(p);
268    mControls.insert(MapControl,control);
269}
270
271bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const
272{
273    if( (aPoint.x()>=aRect.left() && aPoint.x()<=aRect.right()) && (aPoint.y()>=aRect.top() && aPoint.y()<=aRect.bottom()) )
274        return true;
275
276    return false;
277}
278
279int Delegate::numberOfFavourities(const QModelIndex &index) const
280{
281    if(index.parent().isValid()) // it's event, not time-group
282        return 0;
283
284    int nrofFavs = 0;
285    for(int i=0; i<index.model()->rowCount(index); i++)
286        if(static_cast<Event*>(index.child(i,0).internalPointer())->isFavourite())
287            nrofFavs++;
288
289    return nrofFavs;
290}
291
292int Delegate::numberOfAlarms(const QModelIndex &index) const
293{
294    if(index.parent().isValid()) // it's event, not time-group
295        return 0;
296
297    int nrofAlarms = 0;
298    for(int i=0; i<index.model()->rowCount(index); i++)
299        if(static_cast<Event*>(index.child(i,0).internalPointer())->hasAlarm())
300            nrofAlarms++;
301
302    return nrofAlarms;
303}
304
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