just some directory renaming
[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         painter->drawImage(mControls[FavouriteControl]->drawPoint(option.rect),*mControls[FavouriteControl]->image());
87         painter->drawImage(mControls[AlarmControl]->drawPoint(option.rect),*mControls[AlarmControl]->image());
88     }
89     else // doesn't have parent - time-groups' elements (top items)
90     {
91         QLinearGradient titleGradient(option.rect.topLeft(), option.rect.topRight());
92         //titleGradient.setColorAt(0.0, Qt::white);
93         titleGradient.setColorAt(0.0, bkgrColor);
94         titleGradient.setColorAt(0.5, Qt::white);
95         titleGradient.setColorAt(1.0, bkgrColor);
96
97         QPainterPath titlePath;
98         if(isExpanded(index))
99         {
100             titlePath.moveTo(option.rect.bottomLeft());
101             titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS));
102             titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90);
103             titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0));
104             titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90);
105             titlePath.lineTo(option.rect.bottomRight());
106             titlePath.closeSubpath();
107         }
108         else
109         {
110             titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS));
111             titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90);
112             titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0));
113             titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90);
114             titlePath.lineTo(option.rect.bottomRight()-QPoint(0, RADIUS));
115             titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 0, -90);
116             titlePath.lineTo(option.rect.bottomLeft()+QPoint(RADIUS, 0));
117             titlePath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, -90);      
118             titlePath.closeSubpath();
119         }
120
121         painter->setBrush(titleGradient);
122         painter->setPen(borderPen);
123         painter->drawPath(titlePath);
124
125         QFont font = option.font;
126         font.setBold(true);
127         painter->setFont(font);
128     }
129
130     //// HIGHLIGHTING SELECTED ITEM
131     //if (option.state & QStyle::State_Selected)
132         //painter->fillRect(option.rect, option.palette.highlight());
133
134     // draw title
135     QPointF titlePointF(option.rect.x(),option.rect.y()+option.rect.height()-10);
136     QString text = qVariantValue<QString>(index.data());
137     painter->drawText(titlePointF,text);
138
139     painter->restore();
140 }
141
142 QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const
143 {
144     Q_UNUSED(option)
145
146     if (index.internalId() == 0) // time group
147     {
148         return QSize(30,30);
149     }
150     else // event
151     {
152         return QSize(100,100);
153     }
154 }
155
156 bool Delegate::hasParent( const QModelIndex &index ) const
157 {
158     if( index.parent().isValid() )
159         return true;
160     else
161         return false;
162 }
163   
164 bool Delegate::isLast( const QModelIndex &index ) const
165 {
166     if(!hasParent(index))
167         return false; // what should be returned here?
168
169     if(index.row() >= (index.model()->rowCount(index.parent())-1))
170         return true;
171     else
172         return false;
173 }
174
175 bool Delegate::isExpanded( const QModelIndex &index ) const
176 {
177     if( !mViewPtr )
178         return false;
179     else
180         return mViewPtr->isExpanded( index );
181 }
182
183 Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, const QPoint &aPoint) const
184 {
185     if(!hasParent(aIndex)) // time-group item (root item)
186         return ControlNone;
187
188     QListIterator<ControlId> i(mControls.keys());
189     while (i.hasNext())
190     {
191         ControlId id = i.next();
192         if(mControls[id]->drawRect(static_cast<QTreeView*>(parent())->visualRect(aIndex)).contains(aPoint))
193             return id;
194     }
195
196     return ControlNone;
197 }
198
199 void Delegate::defineControls()
200 {
201     Control *control;
202     // FAVOURITE ICON
203     control = new Control(FavouriteControl,QString(":icons/favourite-on.png"));
204     control->setDrawPoint(QPoint(-control->image()->width()-SPACER,SPACER));
205     mControls.insert(FavouriteControl,control);
206
207     // ALARM ICON
208     control = new Control(AlarmControl,QString(":icons/alarm-on.png"));
209     control->setDrawPoint(QPoint(-mControls[FavouriteControl]->image()->width()-control->image()->width()-2*SPACER,SPACER));
210     mControls.insert(AlarmControl,control);
211 }
212
213 bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const
214 {
215     if( (aPoint.x()>=aRect.left() && aPoint.x()<=aRect.right()) && (aPoint.y()>=aRect.top() && aPoint.y()<=aRect.bottom()) )
216         return true;
217
218     return false;
219 }
220