1 | #include "delegate.h" |
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2 | #include "eventmodel.h" |
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3 | |
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4 | #include <QDebug> |
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5 | #include <QPainter> |
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6 | |
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7 | const int RADIUS = 10; |
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8 | const int SPACER = RADIUS; |
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9 | |
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10 | Delegate::Delegate(QTreeView *aParent) |
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11 | : QItemDelegate(aParent) |
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12 | , mViewPtr(aParent) |
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13 | { |
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14 | mControls.clear(); |
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15 | defineControls(); |
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16 | } |
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17 | |
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18 | Delegate::~Delegate() |
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19 | { |
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20 | QListIterator<ControlId> i(mControls.keys()); |
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21 | while (i.hasNext()) |
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22 | { |
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23 | delete mControls[i.next()]->image(); |
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24 | } |
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25 | } |
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26 | |
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27 | void Delegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const |
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28 | { |
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29 | if(!mViewPtr) |
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30 | return; |
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31 | |
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32 | painter->save(); |
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33 | |
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34 | QColor bkgrColor = Qt::cyan; |
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35 | QPen borderPen(bkgrColor.darker()); |
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36 | if(hasParent(index)) |
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37 | { |
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38 | if(isLast(index)) |
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39 | { |
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40 | QLinearGradient lastGradient(option.rect.topLeft(), option.rect.bottomLeft()); |
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41 | lastGradient.setColorAt(0.0, Qt::white); |
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42 | lastGradient.setColorAt(0.5, bkgrColor); |
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43 | lastGradient.setColorAt(1.0, Qt::white); |
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44 | |
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45 | QPainterPath endPath; |
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46 | endPath.moveTo(option.rect.topLeft()); |
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47 | endPath.lineTo(option.rect.bottomLeft()-QPoint(0, RADIUS)); |
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48 | endPath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 180, 90); |
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49 | endPath.lineTo(option.rect.bottomRight()-QPoint(RADIUS, 0)); |
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50 | endPath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, 90); |
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51 | endPath.lineTo(option.rect.topRight()); |
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52 | |
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53 | //painter->setBrush( bkgrColor ); |
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54 | painter->setBrush(lastGradient); |
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55 | painter->setPen(borderPen); |
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56 | painter->drawPath(endPath); |
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57 | |
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58 | painter->setFont(option.font); |
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59 | } |
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60 | else // middle elements |
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61 | { |
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62 | |
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63 | QLinearGradient middleGradient(option.rect.topLeft(), option.rect.bottomLeft()); |
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64 | middleGradient.setColorAt(0.0, Qt::white); |
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65 | middleGradient.setColorAt(0.25, bkgrColor); |
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66 | middleGradient.setColorAt(0.5, Qt::white); |
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67 | middleGradient.setColorAt(0.75, bkgrColor); |
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68 | middleGradient.setColorAt(1.0, Qt::white); |
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69 | |
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70 | //painter->setBrush( bkgrColor ); |
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71 | painter->setBrush(middleGradient); |
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72 | painter->setPen(Qt::NoPen); |
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73 | painter->drawRect(option.rect); |
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74 | |
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75 | painter->setPen(borderPen); |
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76 | // vertical lines |
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77 | painter->drawLine(option.rect.topLeft(), option.rect.bottomLeft()); |
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78 | painter->drawLine(option.rect.topRight(), option.rect.bottomRight()); |
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79 | // horizontal lines |
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80 | painter->drawLine(option.rect.bottomLeft(), option.rect.bottomRight()); |
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81 | |
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82 | painter->setFont(option.font); |
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83 | } |
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84 | |
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85 | // draw Controls |
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86 | painter->drawImage(mControls[FavouriteControl]->drawPoint(option.rect),*mControls[FavouriteControl]->image()); |
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87 | painter->drawImage(mControls[AlarmControl]->drawPoint(option.rect),*mControls[AlarmControl]->image()); |
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88 | } |
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89 | else // doesn't have parent - time-groups' elements (top items) |
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90 | { |
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91 | QLinearGradient titleGradient(option.rect.topLeft(), option.rect.topRight()); |
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92 | //titleGradient.setColorAt(0.0, Qt::white); |
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93 | titleGradient.setColorAt(0.0, bkgrColor); |
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94 | titleGradient.setColorAt(0.5, Qt::white); |
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95 | titleGradient.setColorAt(1.0, bkgrColor); |
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96 | |
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97 | QPainterPath titlePath; |
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98 | if(isExpanded(index)) |
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99 | { |
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100 | titlePath.moveTo(option.rect.bottomLeft()); |
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101 | titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); |
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102 | titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); |
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103 | titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); |
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104 | titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); |
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105 | titlePath.lineTo(option.rect.bottomRight()); |
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106 | titlePath.closeSubpath(); |
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107 | } |
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108 | else |
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109 | { |
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110 | titlePath.lineTo(option.rect.topLeft()+QPoint(0, RADIUS)); |
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111 | titlePath.arcTo(option.rect.left(), option.rect.top(), 2*RADIUS, 2*RADIUS, 180, -90); |
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112 | titlePath.lineTo(option.rect.topRight()-QPoint(RADIUS, 0)); |
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113 | titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.top(), 2*RADIUS, 2*RADIUS, 90, -90); |
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114 | titlePath.lineTo(option.rect.bottomRight()-QPoint(0, RADIUS)); |
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115 | titlePath.arcTo(option.rect.right()-2*RADIUS, option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 0, -90); |
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116 | titlePath.lineTo(option.rect.bottomLeft()+QPoint(RADIUS, 0)); |
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117 | titlePath.arcTo(option.rect.left(), option.rect.bottom()-2*RADIUS, 2*RADIUS, 2*RADIUS, 270, -90); |
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118 | titlePath.closeSubpath(); |
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119 | } |
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120 | |
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121 | painter->setBrush(titleGradient); |
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122 | painter->setPen(borderPen); |
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123 | painter->drawPath(titlePath); |
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124 | |
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125 | QFont font = option.font; |
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126 | font.setBold(true); |
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127 | painter->setFont(font); |
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128 | } |
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129 | |
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130 | //// HIGHLIGHTING SELECTED ITEM |
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131 | //if (option.state & QStyle::State_Selected) |
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132 | //painter->fillRect(option.rect, option.palette.highlight()); |
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133 | |
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134 | // draw title |
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135 | QPointF titlePointF(option.rect.x(),option.rect.y()+option.rect.height()-10); |
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136 | QString text = qVariantValue<QString>(index.data()); |
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137 | painter->drawText(titlePointF,text); |
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138 | |
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139 | painter->restore(); |
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140 | } |
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141 | |
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142 | QSize Delegate::sizeHint(const QStyleOptionViewItem &option, const QModelIndex &index) const |
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143 | { |
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144 | Q_UNUSED(option) |
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145 | |
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146 | if (index.internalId() == 0) // time group |
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147 | { |
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148 | return QSize(30,30); |
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149 | } |
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150 | else // event |
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151 | { |
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152 | return QSize(100,100); |
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153 | } |
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154 | } |
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155 | |
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156 | bool Delegate::hasParent( const QModelIndex &index ) const |
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157 | { |
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158 | if( index.parent().isValid() ) |
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159 | return true; |
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160 | else |
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161 | return false; |
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162 | } |
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163 | |
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164 | bool Delegate::isLast( const QModelIndex &index ) const |
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165 | { |
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166 | if(!hasParent(index)) |
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167 | return false; // what should be returned here? |
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168 | |
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169 | if(index.row() >= (index.model()->rowCount(index.parent())-1)) |
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170 | return true; |
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171 | else |
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172 | return false; |
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173 | } |
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174 | |
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175 | bool Delegate::isExpanded( const QModelIndex &index ) const |
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176 | { |
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177 | if( !mViewPtr ) |
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178 | return false; |
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179 | else |
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180 | return mViewPtr->isExpanded( index ); |
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181 | } |
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182 | |
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183 | Delegate::ControlId Delegate::whichControlClicked(const QModelIndex &aIndex, const QPoint &aPoint) const |
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184 | { |
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185 | if(!hasParent(aIndex)) // time-group item (root item) |
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186 | return ControlNone; |
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187 | |
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188 | QListIterator<ControlId> i(mControls.keys()); |
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189 | while (i.hasNext()) |
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190 | { |
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191 | ControlId id = i.next(); |
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192 | if(mControls[id]->drawRect(static_cast<QTreeView*>(parent())->visualRect(aIndex)).contains(aPoint)) |
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193 | return id; |
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194 | } |
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195 | |
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196 | return ControlNone; |
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197 | } |
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198 | |
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199 | void Delegate::defineControls() |
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200 | { |
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201 | Control *control; |
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202 | // FAVOURITE ICON |
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203 | control = new Control(FavouriteControl,QString(":icons/favourite-on.png")); |
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204 | control->setDrawPoint(QPoint(-control->image()->width()-SPACER,SPACER)); |
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205 | mControls.insert(FavouriteControl,control); |
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206 | |
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207 | // ALARM ICON |
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208 | control = new Control(AlarmControl,QString(":icons/alarm-on.png")); |
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209 | control->setDrawPoint(QPoint(-mControls[FavouriteControl]->image()->width()-control->image()->width()-2*SPACER,SPACER)); |
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210 | mControls.insert(AlarmControl,control); |
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211 | } |
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212 | |
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213 | bool Delegate::isPointFromRect(const QPoint &aPoint, const QRect &aRect) const |
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214 | { |
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215 | if( (aPoint.x()>=aRect.left() && aPoint.x()<=aRect.right()) && (aPoint.y()>=aRect.top() && aPoint.y()<=aRect.bottom()) ) |
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216 | return true; |
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217 | |
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218 | return false; |
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219 | } |
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220 | |
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