activities tab implemented - not finished yet
[toast/confclerk.git] / src / mvc / delegate.cpp
1 #include "delegate.h"
2 #include "eventmodel.h"
3
4 #include <QDebug>
5 #include <QPainter>
6
7 const int RADIUS = 10;
8 const int SPACER = RADIUS;
9
10 Delegate::Delegate(QTreeView *aParent)
11     : QItemDelegate(aParent)
12     , mViewPtr(aParent)
13 {
14     mControls.clear();
15     defineControls();
16 }
17
18 Delegate::~Delegate()
19 {
20     QListIterator<ControlId> i(mControls.keys());
21     while (i.hasNext())
22     {
23         delete mControls[i.next()]->image();
24     }
25 }
26
27 void 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
140     //// HIGHLIGHTING SELECTED ITEM
141     //if (option.state & QStyle::State_Selected)
142         //painter->fillRect(option.rect, option.palette.highlight());
143
144     // draw title
145     QPointF titlePointF(option.rect.x()+SPACER,option.rect.y()+option.rect.height()-10);
146     QString text;
147     if(index.parent().isValid()) // event
148         text = qVariantValue<QString>(index.data()) + ": " + static_cast<Event*>(index.internalPointer())->title();
149     else // group
150         text = qVariantValue<QString>(index.data());
151     painter->drawText(titlePointF,text);
152
153     painter->restore();
154 }
155
156 QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
157 {
158     Q_UNUSED(option)
159
160     if (index.internalId() == 0) // time group
161     {
162         return QSize(30,30);
163     }
164     else // event
165     {
166         return QSize(100,100);
167     }
168 }
169
170 bool Delegate::hasParent( const QModelIndex &index ) const
171 {
172     if( index.parent().isValid() )
173         return true;
174     else
175         return false;
176 }
177   
178 bool Delegate::isLast( const QModelIndex &index ) const
179 {
180     if(!hasParent(index))
181         return false; // what should be returned here?
182
183     if(index.row() >= (index.model()->rowCount(index.parent())-1))
184         return true;
185     else
186         return false;
187 }
188
189 bool Delegate::isExpanded( const QModelIndex &index ) const
190 {
191     if( !mViewPtr )
192         return false;
193     else
194         return mViewPtr->isExpanded( index );
195 }
196
197 Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, const QPoint &aPoint) const
198 {
199     if(!hasParent(aIndex)) // time-group item (root item)
200         return ControlNone;
201
202     QListIterator<ControlId> i(mControls.keys());
203     while (i.hasNext())
204     {
205         ControlId id = i.next();
206         if(mControls[id]->drawRect(static_cast<QTreeView*>(parent())->visualRect(aIndex)).contains(aPoint))
207             return id;
208     }
209
210     return ControlNone;
211 }
212
213 void Delegate::defineControls()
214 {
215     Control *control;
216     QPoint p(0,0);
217     // FAVOURITE ICONs
218     // on
219     control = new Control(FavouriteControlOn,QString(":icons/favourite-on.png"));
220     p = QPoint(0,0);
221     p.setX(p.x()-control->image()->width()-SPACER);
222     control->setDrawPoint(p);
223     mControls.insert(FavouriteControlOn,control);
224     // off
225     control = new Control(FavouriteControlOff,QString(":icons/favourite-off.png"));
226     p = QPoint(0,0);
227     p.setX(p.x()-control->image()->width()-SPACER);
228     control->setDrawPoint(p);
229     mControls.insert(FavouriteControlOff,control);
230
231     // ALARM ICONs
232     // on
233     control = new Control(AlarmControlOn,QString(":icons/alarm-on.png"));
234     p = mControls[FavouriteControlOn]->drawPoint();
235     p.setX(p.x()-control->image()->width()-SPACER);
236     control->setDrawPoint(p);
237     mControls.insert(AlarmControlOn,control);
238     // off
239     control = new Control(AlarmControlOff,QString(":icons/alarm-off.png"));
240     p = mControls[FavouriteControlOff]->drawPoint();
241     p.setX(p.x()-control->image()->width()-SPACER);
242     control->setDrawPoint(p);
243     mControls.insert(AlarmControlOff,control);
244
245     // MAP ICON
246     control = new Control(MapControl,QString(":icons/compass.png"));
247     p = mControls[AlarmControlOn]->drawPoint();
248     p.setX(p.x()-control->image()->width()-SPACER);
249     control->setDrawPoint(p);
250     mControls.insert(MapControl,control);
251 }
252
253 bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const
254 {
255     if( (aPoint.x()>=aRect.left() && aPoint.x()<=aRect.right()) && (aPoint.y()>=aRect.top() && aPoint.y()<=aRect.bottom()) )
256         return true;
257
258     return false;
259 }
260