@@ -1,300 +1,317 | |||||
1 | #include "axisitem_p.h" |
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1 | #include "axisitem_p.h" | |
2 | #include "qchartaxis.h" |
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2 | #include "qchartaxis.h" | |
3 | #include "chartpresenter_p.h" |
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3 | #include "chartpresenter_p.h" | |
4 | #include <QPainter> |
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4 | #include <QPainter> | |
5 | #include <QDebug> |
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5 | #include <QDebug> | |
6 |
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6 | |||
7 | static int label_padding = 5; |
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7 | static int label_padding = 5; | |
8 |
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8 | |||
9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
10 |
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10 | |||
11 | AxisItem::AxisItem(AxisType type,QGraphicsItem* parent) : |
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11 | AxisItem::AxisItem(AxisType type,QGraphicsItem* parent) : | |
12 | ChartItem(parent), |
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12 | ChartItem(parent), | |
13 | m_type(type), |
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13 | m_type(type), | |
14 | m_labelsAngle(0), |
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14 | m_labelsAngle(0), | |
15 | m_shadesEnabled(true), |
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15 | m_shadesEnabled(true), | |
16 | m_grid(parent), |
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16 | m_grid(parent), | |
17 | m_shades(parent), |
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17 | m_shades(parent), | |
18 | m_labels(parent), |
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18 | m_labels(parent), | |
19 | m_origin(0,0) |
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19 | m_axis(parent) | |
20 | { |
|
20 | { | |
21 | //initial initialization |
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21 | //initial initialization | |
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22 | m_axis.setZValue(ChartPresenter::AxisZValue); | |||
22 | m_shades.setZValue(ChartPresenter::ShadesZValue); |
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23 | m_shades.setZValue(ChartPresenter::ShadesZValue); | |
23 | m_grid.setZValue(ChartPresenter::GridZValue); |
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24 | m_grid.setZValue(ChartPresenter::GridZValue); | |
|
25 | setFlags(QGraphicsItem::ItemHasNoContents); | |||
24 | } |
|
26 | } | |
25 |
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27 | |||
26 | AxisItem::~AxisItem() |
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28 | AxisItem::~AxisItem() | |
27 | { |
|
29 | { | |
28 | } |
|
30 | } | |
29 |
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31 | |||
30 | QRectF AxisItem::boundingRect() const |
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32 | QRectF AxisItem::boundingRect() const | |
31 | { |
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33 | { | |
32 | return m_rect; |
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34 | return m_rect; | |
33 | } |
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35 | } | |
34 |
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36 | |||
35 | void AxisItem::createItems(int count) |
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37 | void AxisItem::createItems(int count) | |
36 | { |
|
38 | { | |
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39 | m_axis.addToGroup(new QGraphicsLineItem(this)); | |||
37 | for (int i = 0; i < count; ++i) { |
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40 | for (int i = 0; i < count; ++i) { | |
38 | m_grid.addToGroup(new QGraphicsLineItem(this)); |
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41 | m_grid.addToGroup(new QGraphicsLineItem(this)); | |
39 | m_labels.addToGroup(new QGraphicsSimpleTextItem(this)); |
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42 | m_labels.addToGroup(new QGraphicsSimpleTextItem(this)); | |
40 | if(i%2) m_shades.addToGroup(new QGraphicsRectItem(this)); |
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43 | if(i%2) m_shades.addToGroup(new QGraphicsRectItem(this)); | |
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44 | m_axis.addToGroup(new QGraphicsLineItem(this)); | |||
41 | } |
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45 | } | |
42 | } |
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46 | } | |
43 |
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47 | |||
44 | void AxisItem::clear() |
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48 | void AxisItem::clear() | |
45 | { |
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49 | { | |
46 | foreach(QGraphicsItem* item , m_shades.childItems()) { |
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50 | foreach(QGraphicsItem* item , m_shades.childItems()) { | |
47 | delete item; |
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51 | delete item; | |
48 | } |
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52 | } | |
49 |
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53 | |||
50 | foreach(QGraphicsItem* item , m_grid.childItems()) { |
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54 | foreach(QGraphicsItem* item , m_grid.childItems()) { | |
51 | delete item; |
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55 | delete item; | |
52 | } |
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56 | } | |
53 |
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57 | |||
54 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
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58 | foreach(QGraphicsItem* item , m_labels.childItems()) { | |
55 | delete item; |
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59 | delete item; | |
56 | } |
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60 | } | |
57 |
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61 | |||
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62 | foreach(QGraphicsItem* item , m_axis.childItems()) { | |||
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63 | delete item; | |||
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64 | } | |||
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65 | ||||
58 | m_thicksList.clear(); |
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66 | m_thicksList.clear(); | |
59 |
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67 | |||
60 | } |
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68 | } | |
61 |
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69 | |||
62 | void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) |
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70 | void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) | |
63 | { |
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71 | { | |
64 |
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72 | |||
65 | } |
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73 | } | |
66 |
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74 | |||
67 | void AxisItem::updateItem(int count) |
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75 | void AxisItem::updateItem(int count) | |
68 | { |
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76 | { | |
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77 | if(count ==0) return; | |||
69 |
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78 | |||
70 | QList<QGraphicsItem *> lines = m_grid.childItems(); |
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79 | QList<QGraphicsItem *> lines = m_grid.childItems(); | |
71 | QList<QGraphicsItem *> labels = m_labels.childItems(); |
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80 | QList<QGraphicsItem *> labels = m_labels.childItems(); | |
72 | QList<QGraphicsItem *> shades = m_shades.childItems(); |
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81 | QList<QGraphicsItem *> shades = m_shades.childItems(); | |
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82 | QList<QGraphicsItem *> axis = m_axis.childItems(); | |||
73 |
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83 | |||
74 | switch (m_type) |
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84 | switch (m_type) | |
75 | { |
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85 | { | |
76 | case X_AXIS: |
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86 | case X_AXIS: | |
77 | { |
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87 | { | |
78 | const qreal deltaX = m_rect.width() / (count-1); |
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88 | const qreal deltaX = m_rect.width() / (count-1); | |
79 |
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89 | |||
80 | m_axis.setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom()); |
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90 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); | |
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91 | lineItem->setLine(m_rect.left(), m_rect.bottom(), m_rect.right(), m_rect.bottom()); | |||
81 |
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92 | |||
82 | for (int i = 0; i < count; ++i) { |
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93 | for (int i = 0; i < count; ++i) { | |
83 | int x = i * deltaX + m_rect.left(); |
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94 | int x = i * deltaX + m_rect.left(); | |
84 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
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95 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); | |
85 | lineItem->setLine(x, m_rect.top(), x, m_rect.bottom()); |
|
96 | lineItem->setLine(x, m_rect.top(), x, m_rect.bottom()); | |
86 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
|
97 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); | |
87 | labelItem->setText(m_thicksList.at(i)); |
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98 | labelItem->setText(m_thicksList.at(i)); | |
88 | QPointF center = labelItem->boundingRect().center(); |
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99 | QPointF center = labelItem->boundingRect().center(); | |
89 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
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100 | labelItem->setTransformOriginPoint(center.x(), center.y()); | |
90 | labelItem->setPos(x - center.x(), m_rect.bottom() + label_padding); |
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101 | labelItem->setPos(x - center.x(), m_rect.bottom() + label_padding); | |
91 |
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||||
92 | if(i%2){ |
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102 | if(i%2){ | |
93 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2)); |
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103 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2)); | |
94 | rectItem->setRect(x,m_rect.top(),deltaX,m_rect.height()); |
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104 | rectItem->setRect(x,m_rect.top(),deltaX,m_rect.height()); | |
95 | } |
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105 | } | |
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106 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); | |||
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107 | lineItem->setLine(x,m_rect.bottom(),x,m_rect.bottom()+5); | |||
96 | } |
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108 | } | |
97 | } |
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109 | } | |
98 | break; |
|
110 | break; | |
99 |
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111 | |||
100 | case Y_AXIS: |
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112 | case Y_AXIS: | |
101 | { |
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113 | { | |
102 | const qreal deltaY = m_rect.height()/ (count-1); |
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114 | const qreal deltaY = m_rect.height()/ (count-1); | |
103 |
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115 | |||
104 | m_axis.setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom()); |
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116 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(axis.at(0)); | |
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117 | lineItem->setLine(m_rect.left() , m_rect.top(), m_rect.left(), m_rect.bottom()); | |||
105 |
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118 | |||
106 | for (int i = 0; i < count; ++i) { |
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119 | for (int i = 0; i < count; ++i) { | |
107 | int y = i * -deltaY + m_rect.bottom(); |
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120 | int y = i * -deltaY + m_rect.bottom(); | |
108 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); |
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121 | QGraphicsLineItem *lineItem = static_cast<QGraphicsLineItem*>(lines.at(i)); | |
109 | lineItem->setLine(m_rect.left() , y, m_rect.right(), y); |
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122 | lineItem->setLine(m_rect.left() , y, m_rect.right(), y); | |
110 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); |
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123 | QGraphicsSimpleTextItem *labelItem = static_cast<QGraphicsSimpleTextItem*>(labels.at(i)); | |
111 | labelItem->setText(m_thicksList.at(i)); |
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124 | labelItem->setText(m_thicksList.at(i)); | |
112 | QPointF center = labelItem->boundingRect().center(); |
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125 | QPointF center = labelItem->boundingRect().center(); | |
113 | labelItem->setTransformOriginPoint(center.x(), center.y()); |
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126 | labelItem->setTransformOriginPoint(center.x(), center.y()); | |
114 | labelItem->setPos(m_rect.left() - labelItem->boundingRect().width() - label_padding , y-center.y()); |
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127 | labelItem->setPos(m_rect.left() - labelItem->boundingRect().width() - label_padding , y-center.y()); | |
115 | if(i%2){ |
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128 | if(i%2){ | |
116 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2)); |
|
129 | QGraphicsRectItem *rectItem = static_cast<QGraphicsRectItem*>(shades.at(i/2)); | |
117 | rectItem->setRect(m_rect.left(),y,m_rect.width(),deltaY); |
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130 | rectItem->setRect(m_rect.left(),y,m_rect.width(),deltaY); | |
118 | } |
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131 | } | |
|
132 | lineItem = static_cast<QGraphicsLineItem*>(axis.at(i+1)); | |||
|
133 | lineItem->setLine(m_rect.left()-5,y,m_rect.left(),y); | |||
119 | } |
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134 | } | |
120 | } |
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135 | } | |
121 | break; |
|
136 | break; | |
122 | default: |
|
137 | default: | |
123 | qDebug()<<"Unknown axis type"; |
|
138 | qDebug()<<"Unknown axis type"; | |
124 | break; |
|
139 | break; | |
125 | } |
|
140 | } | |
126 | } |
|
141 | } | |
127 |
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142 | |||
128 | void AxisItem::handleAxisUpdate(QChartAxis* axis) |
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143 | void AxisItem::handleAxisUpdate(QChartAxis* axis) | |
129 | { |
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144 | { | |
130 | if(axis->isAxisVisible()) { |
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145 | if(axis->isAxisVisible()) { | |
131 | setAxisOpacity(100); |
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146 | setAxisOpacity(100); | |
132 | } |
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147 | } | |
133 | else { |
|
148 | else { | |
134 | setAxisOpacity(0); |
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149 | setAxisOpacity(0); | |
135 | } |
|
150 | } | |
136 |
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151 | |||
137 | if(axis->isGridVisible()) { |
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152 | if(axis->isGridVisible()) { | |
138 | setGridOpacity(100); |
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153 | setGridOpacity(100); | |
139 | } |
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154 | } | |
140 | else { |
|
155 | else { | |
141 | setGridOpacity(0); |
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156 | setGridOpacity(0); | |
142 | } |
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157 | } | |
143 |
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158 | |||
144 | if(axis->isLabelsVisible()) |
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159 | if(axis->isLabelsVisible()) | |
145 | { |
|
160 | { | |
146 | setLabelsOpacity(100); |
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161 | setLabelsOpacity(100); | |
147 | } |
|
162 | } | |
148 | else { |
|
163 | else { | |
149 | setLabelsOpacity(0); |
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164 | setLabelsOpacity(0); | |
150 | } |
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165 | } | |
151 |
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166 | |||
152 | if(axis->isShadesVisible()) { |
|
167 | if(axis->isShadesVisible()) { | |
153 | setShadesOpacity(axis->shadesOpacity()); |
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168 | setShadesOpacity(axis->shadesOpacity()); | |
154 | } |
|
169 | } | |
155 | else { |
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170 | else { | |
156 | setShadesOpacity(0); |
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171 | setShadesOpacity(0); | |
157 | } |
|
172 | } | |
158 |
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173 | |||
159 | setLabelsAngle(axis->labelsAngle()); |
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174 | setLabelsAngle(axis->labelsAngle()); | |
160 | setAxisPen(axis->axisPen()); |
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175 | setAxisPen(axis->axisPen()); | |
161 | setLabelsPen(axis->labelsPen()); |
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176 | setLabelsPen(axis->labelsPen()); | |
162 | setLabelsBrush(axis->labelsBrush()); |
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177 | setLabelsBrush(axis->labelsBrush()); | |
163 | setLabelsFont(axis->labelFont()); |
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178 | setLabelsFont(axis->labelFont()); | |
164 | setGridPen(axis->gridPen()); |
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179 | setGridPen(axis->gridPen()); | |
165 | setShadesPen(axis->shadesPen()); |
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180 | setShadesPen(axis->shadesPen()); | |
166 | setShadesBrush(axis->shadesBrush()); |
|
181 | setShadesBrush(axis->shadesBrush()); | |
167 | } |
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182 | } | |
168 |
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183 | |||
169 | void AxisItem::handleLabelsChanged(QChartAxis* axis,const QStringList& labels) |
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184 | void AxisItem::handleLabelsChanged(QChartAxis* axis,const QStringList& labels) | |
170 | { |
|
185 | { | |
171 | m_thicksList=labels; |
|
186 | m_thicksList=labels; | |
172 | QList<QGraphicsItem*> items = m_labels.childItems(); |
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187 | QList<QGraphicsItem*> items = m_labels.childItems(); | |
173 | if(items.size()!=m_thicksList.size()){ |
|
188 | //if(items.size()!=m_thicksList.size()){ | |
174 | clear(); |
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189 | clear(); | |
175 | m_thicksList=labels; |
|
190 | m_thicksList=labels; | |
176 | createItems(m_thicksList.size()); |
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191 | createItems(m_thicksList.size()); | |
177 | updateItem(m_thicksList.size()); |
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192 | updateItem(m_thicksList.size()); | |
178 | items = m_labels.childItems(); |
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193 | items = m_labels.childItems(); | |
179 | handleAxisUpdate(axis); |
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194 | handleAxisUpdate(axis); | |
180 | } |
|
195 | // } | |
181 |
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196 | |||
182 | Q_ASSERT(items.size()==m_thicksList.size()); |
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197 | Q_ASSERT(items.size()==m_thicksList.size()); | |
183 |
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198 | |||
184 | int i=0; |
|
199 | int i=0; | |
185 | foreach(QGraphicsItem* item, items){ |
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200 | foreach(QGraphicsItem* item, items){ | |
186 | static_cast<QGraphicsSimpleTextItem*>(item)->setText(m_thicksList.at(i)); |
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201 | static_cast<QGraphicsSimpleTextItem*>(item)->setText(m_thicksList.at(i)); | |
187 | i++; |
|
202 | i++; | |
188 | } |
|
203 | } | |
189 | update(); |
|
204 | update(); | |
190 | } |
|
205 | } | |
191 |
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206 | |||
192 | void AxisItem::handleGeometryChanged(const QRectF& rect) |
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207 | void AxisItem::handleGeometryChanged(const QRectF& rect) | |
193 | { |
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208 | { | |
194 | m_rect = rect; |
|
209 | m_rect = rect; | |
195 | updateItem(m_thicksList.size()); |
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210 | updateItem(m_thicksList.size()); | |
196 | update(); |
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211 | update(); | |
197 | } |
|
212 | } | |
198 |
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213 | |||
199 | void AxisItem::setAxisOpacity(qreal opacity) |
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214 | void AxisItem::setAxisOpacity(qreal opacity) | |
200 | { |
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215 | { | |
201 | m_axis.setOpacity(opacity); |
|
216 | m_axis.setOpacity(opacity); | |
202 | } |
|
217 | } | |
203 |
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218 | |||
204 | qreal AxisItem::axisOpacity() const |
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219 | qreal AxisItem::axisOpacity() const | |
205 | { |
|
220 | { | |
206 | return m_axis.opacity(); |
|
221 | return m_axis.opacity(); | |
207 | } |
|
222 | } | |
208 |
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223 | |||
209 | void AxisItem::setGridOpacity(qreal opacity) |
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224 | void AxisItem::setGridOpacity(qreal opacity) | |
210 | { |
|
225 | { | |
211 | m_grid.setOpacity(opacity); |
|
226 | m_grid.setOpacity(opacity); | |
212 | } |
|
227 | } | |
213 |
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228 | |||
214 | qreal AxisItem::gridOpacity() const |
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229 | qreal AxisItem::gridOpacity() const | |
215 | { |
|
230 | { | |
216 | return m_grid.opacity(); |
|
231 | return m_grid.opacity(); | |
217 | } |
|
232 | } | |
218 |
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233 | |||
219 | void AxisItem::setLabelsOpacity(qreal opacity) |
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234 | void AxisItem::setLabelsOpacity(qreal opacity) | |
220 | { |
|
235 | { | |
221 | m_labels.setOpacity(opacity); |
|
236 | m_labels.setOpacity(opacity); | |
222 | } |
|
237 | } | |
223 |
|
238 | |||
224 | qreal AxisItem::labelsOpacity() const |
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239 | qreal AxisItem::labelsOpacity() const | |
225 | { |
|
240 | { | |
226 | return m_labels.opacity(); |
|
241 | return m_labels.opacity(); | |
227 | } |
|
242 | } | |
228 |
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243 | |||
229 | void AxisItem::setShadesOpacity(qreal opacity) |
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244 | void AxisItem::setShadesOpacity(qreal opacity) | |
230 | { |
|
245 | { | |
231 | m_shades.setOpacity(opacity); |
|
246 | m_shades.setOpacity(opacity); | |
232 | } |
|
247 | } | |
233 |
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248 | |||
234 | qreal AxisItem::shadesOpacity() const |
|
249 | qreal AxisItem::shadesOpacity() const | |
235 | { |
|
250 | { | |
236 | return m_shades.opacity(); |
|
251 | return m_shades.opacity(); | |
237 | } |
|
252 | } | |
238 |
|
253 | |||
239 | void AxisItem::setLabelsAngle(int angle) |
|
254 | void AxisItem::setLabelsAngle(int angle) | |
240 | { |
|
255 | { | |
241 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
|
256 | foreach(QGraphicsItem* item , m_labels.childItems()) { | |
242 | QPointF center = item->boundingRect().center(); |
|
257 | QPointF center = item->boundingRect().center(); | |
243 | item->setRotation(angle); |
|
258 | item->setRotation(angle); | |
244 | } |
|
259 | } | |
245 |
|
260 | |||
246 | m_labelsAngle=angle; |
|
261 | m_labelsAngle=angle; | |
247 | } |
|
262 | } | |
248 |
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263 | |||
249 | void AxisItem::setLabelsPen(const QPen& pen) |
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264 | void AxisItem::setLabelsPen(const QPen& pen) | |
250 | { |
|
265 | { | |
251 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
|
266 | foreach(QGraphicsItem* item , m_labels.childItems()) { | |
252 | static_cast<QGraphicsSimpleTextItem*>(item)->setPen(pen); |
|
267 | static_cast<QGraphicsSimpleTextItem*>(item)->setPen(pen); | |
253 | } |
|
268 | } | |
254 | } |
|
269 | } | |
255 |
|
270 | |||
256 | void AxisItem::setLabelsBrush(const QBrush& brush) |
|
271 | void AxisItem::setLabelsBrush(const QBrush& brush) | |
257 | { |
|
272 | { | |
258 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
|
273 | foreach(QGraphicsItem* item , m_labels.childItems()) { | |
259 | static_cast<QGraphicsSimpleTextItem*>(item)->setBrush(brush); |
|
274 | static_cast<QGraphicsSimpleTextItem*>(item)->setBrush(brush); | |
260 | } |
|
275 | } | |
261 | } |
|
276 | } | |
262 |
|
277 | |||
263 | void AxisItem::setLabelsFont(const QFont& font) |
|
278 | void AxisItem::setLabelsFont(const QFont& font) | |
264 | { |
|
279 | { | |
265 | foreach(QGraphicsItem* item , m_labels.childItems()) { |
|
280 | foreach(QGraphicsItem* item , m_labels.childItems()) { | |
266 | static_cast<QGraphicsSimpleTextItem*>(item)->setFont(font); |
|
281 | static_cast<QGraphicsSimpleTextItem*>(item)->setFont(font); | |
267 | } |
|
282 | } | |
268 | } |
|
283 | } | |
269 |
|
284 | |||
270 | void AxisItem::setShadesBrush(const QBrush& brush) |
|
285 | void AxisItem::setShadesBrush(const QBrush& brush) | |
271 | { |
|
286 | { | |
272 | foreach(QGraphicsItem* item , m_shades.childItems()) { |
|
287 | foreach(QGraphicsItem* item , m_shades.childItems()) { | |
273 | static_cast<QGraphicsRectItem*>(item)->setBrush(brush); |
|
288 | static_cast<QGraphicsRectItem*>(item)->setBrush(brush); | |
274 | } |
|
289 | } | |
275 | } |
|
290 | } | |
276 |
|
291 | |||
277 | void AxisItem::setShadesPen(const QPen& pen) |
|
292 | void AxisItem::setShadesPen(const QPen& pen) | |
278 | { |
|
293 | { | |
279 | foreach(QGraphicsItem* item , m_shades.childItems()) { |
|
294 | foreach(QGraphicsItem* item , m_shades.childItems()) { | |
280 | static_cast<QGraphicsRectItem*>(item)->setPen(pen); |
|
295 | static_cast<QGraphicsRectItem*>(item)->setPen(pen); | |
281 | } |
|
296 | } | |
282 | } |
|
297 | } | |
283 |
|
298 | |||
284 | void AxisItem::setAxisPen(const QPen& pen) |
|
299 | void AxisItem::setAxisPen(const QPen& pen) | |
285 | { |
|
300 | { | |
286 | m_axis.setPen(pen); |
|
301 | foreach(QGraphicsItem* item , m_axis.childItems()) { | |
|
302 | static_cast<QGraphicsLineItem*>(item)->setPen(pen); | |||
|
303 | } | |||
287 | } |
|
304 | } | |
288 |
|
305 | |||
289 | void AxisItem::setGridPen(const QPen& pen) |
|
306 | void AxisItem::setGridPen(const QPen& pen) | |
290 | { |
|
307 | { | |
291 | foreach(QGraphicsItem* item , m_grid.childItems()) { |
|
308 | foreach(QGraphicsItem* item , m_grid.childItems()) { | |
292 | static_cast<QGraphicsLineItem*>(item)->setPen(pen); |
|
309 | static_cast<QGraphicsLineItem*>(item)->setPen(pen); | |
293 | } |
|
310 | } | |
294 | } |
|
311 | } | |
295 |
|
312 | |||
296 |
|
313 | |||
297 | //TODO "nice numbers algorithm" |
|
314 | //TODO "nice numbers algorithm" | |
298 | #include "moc_axisitem_p.cpp" |
|
315 | #include "moc_axisitem_p.cpp" | |
299 |
|
316 | |||
300 | QTCOMMERCIALCHART_END_NAMESPACE |
|
317 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,77 +1,76 | |||||
1 | #ifndef AXISITEM_H_ |
|
1 | #ifndef AXISITEM_H_ | |
2 | #define AXISITEM_H_ |
|
2 | #define AXISITEM_H_ | |
3 |
|
3 | |||
4 | #include "domain_p.h" |
|
4 | #include "domain_p.h" | |
5 | #include "chartitem_p.h" |
|
5 | #include "chartitem_p.h" | |
6 | #include <QGraphicsItem> |
|
6 | #include <QGraphicsItem> | |
7 |
|
7 | |||
8 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
8 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
9 |
|
9 | |||
10 | class QChartAxis; |
|
10 | class QChartAxis; | |
11 |
|
11 | |||
12 | class AxisItem : public QObject, public ChartItem |
|
12 | class AxisItem : public QObject, public ChartItem | |
13 | { |
|
13 | { | |
14 | Q_OBJECT |
|
14 | Q_OBJECT | |
15 | public: |
|
15 | public: | |
16 | enum AxisType{X_AXIS,Y_AXIS}; |
|
16 | enum AxisType{X_AXIS,Y_AXIS}; | |
17 |
|
17 | |||
18 | AxisItem(AxisType type = X_AXIS,QGraphicsItem* parent = 0); |
|
18 | AxisItem(AxisType type = X_AXIS,QGraphicsItem* parent = 0); | |
19 | ~AxisItem(); |
|
19 | ~AxisItem(); | |
20 |
|
20 | |||
21 | //from QGraphicsItem |
|
21 | //from QGraphicsItem | |
22 | QRectF boundingRect() const; |
|
22 | QRectF boundingRect() const; | |
23 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); |
|
23 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | |
24 |
|
24 | |||
25 | AxisType axisType() const {return m_type;}; |
|
25 | AxisType axisType() const {return m_type;}; | |
26 |
|
26 | |||
27 | void setAxisOpacity(qreal opacity); |
|
27 | void setAxisOpacity(qreal opacity); | |
28 | qreal axisOpacity() const; |
|
28 | qreal axisOpacity() const; | |
29 |
|
29 | |||
30 | void setGridOpacity(qreal opacity); |
|
30 | void setGridOpacity(qreal opacity); | |
31 | qreal gridOpacity() const; |
|
31 | qreal gridOpacity() const; | |
32 |
|
32 | |||
33 | void setLabelsOpacity(qreal opacity); |
|
33 | void setLabelsOpacity(qreal opacity); | |
34 | qreal labelsOpacity() const; |
|
34 | qreal labelsOpacity() const; | |
35 |
|
35 | |||
36 | void setShadesOpacity(qreal opacity); |
|
36 | void setShadesOpacity(qreal opacity); | |
37 | qreal shadesOpacity() const; |
|
37 | qreal shadesOpacity() const; | |
38 |
|
38 | |||
39 | void setLabelsAngle(int angle); |
|
39 | void setLabelsAngle(int angle); | |
40 | int labelsAngle()const { return m_labelsAngle; } |
|
40 | int labelsAngle()const { return m_labelsAngle; } | |
41 |
|
41 | |||
42 | void setShadesBrush(const QBrush& brush); |
|
42 | void setShadesBrush(const QBrush& brush); | |
43 | void setShadesPen(const QPen& pen); |
|
43 | void setShadesPen(const QPen& pen); | |
44 |
|
44 | |||
45 | void setAxisPen(const QPen& pen); |
|
45 | void setAxisPen(const QPen& pen); | |
46 | void setGridPen(const QPen& pen); |
|
46 | void setGridPen(const QPen& pen); | |
47 |
|
47 | |||
48 | void setLabelsPen(const QPen& pen); |
|
48 | void setLabelsPen(const QPen& pen); | |
49 | void setLabelsBrush(const QBrush& brush); |
|
49 | void setLabelsBrush(const QBrush& brush); | |
50 | void setLabelsFont(const QFont& font); |
|
50 | void setLabelsFont(const QFont& font); | |
51 |
|
51 | |||
52 | public slots: |
|
52 | public slots: | |
53 | void handleAxisUpdate(QChartAxis* axis); //look and feel |
|
53 | void handleAxisUpdate(QChartAxis* axis); //look and feel | |
54 | void handleLabelsChanged(QChartAxis* axis,const QStringList& labels); //labels from dataset |
|
54 | void handleLabelsChanged(QChartAxis* axis,const QStringList& labels); //labels from dataset | |
55 | void handleGeometryChanged(const QRectF& size); // geometry from presenter |
|
55 | void handleGeometryChanged(const QRectF& size); // geometry from presenter | |
56 | protected: |
|
56 | protected: | |
57 | void updateItem(int count); |
|
57 | void updateItem(int count); | |
58 | private: |
|
58 | private: | |
59 | void clear(); |
|
59 | void clear(); | |
60 | void createItems(int count); |
|
60 | void createItems(int count); | |
61 | private: |
|
61 | private: | |
62 | AxisType m_type; |
|
62 | AxisType m_type; | |
63 | QRectF m_rect; |
|
63 | QRectF m_rect; | |
64 | int m_labelsAngle; |
|
64 | int m_labelsAngle; | |
65 | bool m_shadesEnabled; |
|
65 | bool m_shadesEnabled; | |
66 | QGraphicsItemGroup m_grid; |
|
66 | QGraphicsItemGroup m_grid; | |
67 | QGraphicsItemGroup m_shades; |
|
67 | QGraphicsItemGroup m_shades; | |
68 | QGraphicsItemGroup m_labels; |
|
68 | QGraphicsItemGroup m_labels; | |
69 |
QGraphics |
|
69 | QGraphicsItemGroup m_axis; | |
70 | QStringList m_thicksList; |
|
70 | QStringList m_thicksList; | |
71 | QPointF m_origin; |
|
|||
72 |
|
71 | |||
73 | }; |
|
72 | }; | |
74 |
|
73 | |||
75 | QTCOMMERCIALCHART_END_NAMESPACE |
|
74 | QTCOMMERCIALCHART_END_NAMESPACE | |
76 |
|
75 | |||
77 | #endif /* AXISITEM_H_ */ |
|
76 | #endif /* AXISITEM_H_ */ |
@@ -1,184 +1,185 | |||||
1 | #include "qchart.h" |
|
1 | #include "qchart.h" | |
2 | #include "qchartaxis.h" |
|
2 | #include "qchartaxis.h" | |
3 | #include "chartpresenter_p.h" |
|
3 | #include "chartpresenter_p.h" | |
4 | #include "chartdataset_p.h" |
|
4 | #include "chartdataset_p.h" | |
5 | #include <QGraphicsScene> |
|
5 | #include <QGraphicsScene> | |
6 | #include <QGraphicsSceneResizeEvent> |
|
6 | #include <QGraphicsSceneResizeEvent> | |
7 | #include <QDebug> |
|
7 | #include <QDebug> | |
8 |
|
8 | |||
9 | /*! |
|
9 | /*! | |
10 | \class QChart |
|
10 | \class QChart | |
11 | \brief QtCommercial chart API. |
|
11 | \brief QtCommercial chart API. | |
12 |
|
12 | |||
13 | QChart is a QGraphicsWidget that you can show in a QGraphicsScene. It manages the graphical |
|
13 | QChart is a QGraphicsWidget that you can show in a QGraphicsScene. It manages the graphical | |
14 | representation of different types of QChartSeries and other chart related objects like |
|
14 | representation of different types of QChartSeries and other chart related objects like | |
15 | QChartAxis and QChartLegend. If you simply want to show a chart in a layout, you can use the |
|
15 | QChartAxis and QChartLegend. If you simply want to show a chart in a layout, you can use the | |
16 | convenience class QChartView instead of QChart. |
|
16 | convenience class QChartView instead of QChart. | |
17 | */ |
|
17 | */ | |
18 |
|
18 | |||
19 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
19 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
20 |
|
20 | |||
21 | /*! |
|
21 | /*! | |
22 | Constructs a chart object which is a child of parent. |
|
22 | Constructs a chart object which is a child of parent. | |
23 | */ |
|
23 | */ | |
24 | QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags), |
|
24 | QChart::QChart(QGraphicsItem *parent, Qt::WindowFlags wFlags) : QGraphicsWidget(parent,wFlags), | |
25 | m_backgroundItem(0), |
|
25 | m_backgroundItem(0), | |
26 | m_titleItem(0), |
|
26 | m_titleItem(0), | |
27 | m_dataset(new ChartDataSet(this)), |
|
27 | m_dataset(new ChartDataSet(this)), | |
28 | m_presenter(new ChartPresenter(this,m_dataset)) |
|
28 | m_presenter(new ChartPresenter(this,m_dataset)) | |
29 | { |
|
29 | { | |
30 | } |
|
30 | } | |
31 |
|
31 | |||
32 | /*! |
|
32 | /*! | |
33 | Destroys the object and it's children, like QChartSeries and QChartAxis object added to it. |
|
33 | Destroys the object and it's children, like QChartSeries and QChartAxis object added to it. | |
34 | */ |
|
34 | */ | |
35 | QChart::~QChart() |
|
35 | QChart::~QChart() | |
36 | { |
|
36 | { | |
37 | } |
|
37 | } | |
38 |
|
38 | |||
39 | /*! |
|
39 | /*! | |
40 | Adds the series and optional y axis onto the chart and takes the ownership of the objects. |
|
40 | Adds the series and optional y axis onto the chart and takes the ownership of the objects. | |
41 | If auto scaling is enabled, re-scales the axes the series is bound to (both the x axis and |
|
41 | If auto scaling is enabled, re-scales the axes the series is bound to (both the x axis and | |
42 | the y axis). |
|
42 | the y axis). | |
43 | */ |
|
43 | */ | |
44 | void QChart::addSeries(QChartSeries* series, QChartAxis* axisY) |
|
44 | void QChart::addSeries(QChartSeries* series, QChartAxis* axisY) | |
45 | { |
|
45 | { | |
46 | m_dataset->addSeries(series, axisY); |
|
46 | m_dataset->addSeries(series, axisY); | |
47 | } |
|
47 | } | |
48 |
|
48 | |||
49 | void QChart::removeSeries(QChartSeries* series) |
|
49 | void QChart::removeSeries(QChartSeries* series) | |
50 | { |
|
50 | { | |
51 | m_dataset->removeSeries(series); |
|
51 | m_dataset->removeSeries(series); | |
52 | } |
|
52 | } | |
53 |
|
53 | |||
54 | void QChart::removeAllSeries() |
|
54 | void QChart::removeAllSeries() | |
55 | { |
|
55 | { | |
56 | m_dataset->removeAllSeries(); |
|
56 | m_dataset->removeAllSeries(); | |
57 | } |
|
57 | } | |
58 |
|
58 | |||
59 | void QChart::setChartBackgroundBrush(const QBrush& brush) |
|
59 | void QChart::setChartBackgroundBrush(const QBrush& brush) | |
60 | { |
|
60 | { | |
61 | createChartBackgroundItem(); |
|
61 | createChartBackgroundItem(); | |
62 | m_backgroundItem->setBrush(brush); |
|
62 | m_backgroundItem->setBrush(brush); | |
63 | m_backgroundItem->update(); |
|
63 | m_backgroundItem->update(); | |
64 | } |
|
64 | } | |
65 |
|
65 | |||
66 | void QChart::setChartBackgroundPen(const QPen& pen) |
|
66 | void QChart::setChartBackgroundPen(const QPen& pen) | |
67 | { |
|
67 | { | |
68 | createChartBackgroundItem(); |
|
68 | createChartBackgroundItem(); | |
69 | m_backgroundItem->setPen(pen); |
|
69 | m_backgroundItem->setPen(pen); | |
70 | m_backgroundItem->update(); |
|
70 | m_backgroundItem->update(); | |
71 | } |
|
71 | } | |
72 |
|
72 | |||
73 | void QChart::setChartTitle(const QString& title) |
|
73 | void QChart::setChartTitle(const QString& title) | |
74 | { |
|
74 | { | |
75 | createChartTitleItem(); |
|
75 | createChartTitleItem(); | |
76 | m_titleItem->setPlainText(title); |
|
76 | m_titleItem->setPlainText(title); | |
77 | } |
|
77 | } | |
78 |
|
78 | |||
79 | void QChart::setChartTitleFont(const QFont& font) |
|
79 | void QChart::setChartTitleFont(const QFont& font) | |
80 | { |
|
80 | { | |
81 | createChartTitleItem(); |
|
81 | createChartTitleItem(); | |
82 | m_titleItem->setFont(font); |
|
82 | m_titleItem->setFont(font); | |
83 | } |
|
83 | } | |
84 |
|
84 | |||
85 | void QChart::createChartBackgroundItem() |
|
85 | void QChart::createChartBackgroundItem() | |
86 | { |
|
86 | { | |
87 | if(!m_backgroundItem) { |
|
87 | if(!m_backgroundItem) { | |
88 | m_backgroundItem = new QGraphicsRectItem(this); |
|
88 | m_backgroundItem = new QGraphicsRectItem(this); | |
|
89 | m_backgroundItem->setPen(Qt::NoPen); | |||
89 | m_backgroundItem->setZValue(ChartPresenter::BackgroundZValue); |
|
90 | m_backgroundItem->setZValue(ChartPresenter::BackgroundZValue); | |
90 | } |
|
91 | } | |
91 | } |
|
92 | } | |
92 |
|
93 | |||
93 | void QChart::createChartTitleItem() |
|
94 | void QChart::createChartTitleItem() | |
94 | { |
|
95 | { | |
95 | if(!m_titleItem) { |
|
96 | if(!m_titleItem) { | |
96 | m_titleItem = new QGraphicsTextItem(this); |
|
97 | m_titleItem = new QGraphicsTextItem(this); | |
97 | m_titleItem->setZValue(ChartPresenter::BackgroundZValue); |
|
98 | m_titleItem->setZValue(ChartPresenter::BackgroundZValue); | |
98 | } |
|
99 | } | |
99 | } |
|
100 | } | |
100 |
|
101 | |||
101 | int QChart::margin() const |
|
102 | int QChart::margin() const | |
102 | { |
|
103 | { | |
103 | return m_presenter->margin(); |
|
104 | return m_presenter->margin(); | |
104 | } |
|
105 | } | |
105 |
|
106 | |||
106 | void QChart::setMargin(int margin) |
|
107 | void QChart::setMargin(int margin) | |
107 | { |
|
108 | { | |
108 | m_presenter->setMargin(margin); |
|
109 | m_presenter->setMargin(margin); | |
109 | } |
|
110 | } | |
110 |
|
111 | |||
111 | void QChart::setChartTheme(QChart::ChartTheme theme) |
|
112 | void QChart::setChartTheme(QChart::ChartTheme theme) | |
112 | { |
|
113 | { | |
113 | m_presenter->setChartTheme(theme); |
|
114 | m_presenter->setChartTheme(theme); | |
114 | } |
|
115 | } | |
115 |
|
116 | |||
116 | QChart::ChartTheme QChart::chartTheme() const |
|
117 | QChart::ChartTheme QChart::chartTheme() const | |
117 | { |
|
118 | { | |
118 | return m_presenter->chartTheme(); |
|
119 | return m_presenter->chartTheme(); | |
119 | } |
|
120 | } | |
120 |
|
121 | |||
121 | void QChart::zoomIn() |
|
122 | void QChart::zoomIn() | |
122 | { |
|
123 | { | |
123 | if (!m_dataset->nextDomain()) { |
|
124 | if (!m_dataset->nextDomain()) { | |
124 | QRectF rect = m_presenter->geometry(); |
|
125 | QRectF rect = m_presenter->geometry(); | |
125 | rect.setWidth(rect.width()/2); |
|
126 | rect.setWidth(rect.width()/2); | |
126 | rect.setHeight(rect.height()/2); |
|
127 | rect.setHeight(rect.height()/2); | |
127 | rect.moveCenter(m_presenter->geometry().center()); |
|
128 | rect.moveCenter(m_presenter->geometry().center()); | |
128 | zoomIn(rect); |
|
129 | zoomIn(rect); | |
129 | } |
|
130 | } | |
130 | } |
|
131 | } | |
131 |
|
132 | |||
132 | void QChart::zoomIn(const QRectF& rect) |
|
133 | void QChart::zoomIn(const QRectF& rect) | |
133 | { |
|
134 | { | |
134 | if(!rect.isValid()) return; |
|
135 | if(!rect.isValid()) return; | |
135 | QRectF r = rect.normalized(); |
|
136 | QRectF r = rect.normalized(); | |
136 | int margin = m_presenter->margin(); |
|
137 | int margin = m_presenter->margin(); | |
137 | r.translate(-margin, -margin); |
|
138 | r.translate(-margin, -margin); | |
138 | m_dataset->addDomain(r,m_presenter->geometry()); |
|
139 | m_dataset->addDomain(r,m_presenter->geometry()); | |
139 | } |
|
140 | } | |
140 |
|
141 | |||
141 | void QChart::zoomOut() |
|
142 | void QChart::zoomOut() | |
142 | { |
|
143 | { | |
143 | m_dataset->previousDomain(); |
|
144 | m_dataset->previousDomain(); | |
144 | } |
|
145 | } | |
145 |
|
146 | |||
146 | void QChart::zoomReset() |
|
147 | void QChart::zoomReset() | |
147 | { |
|
148 | { | |
148 | m_dataset->clearDomains(); |
|
149 | m_dataset->clearDomains(); | |
149 | } |
|
150 | } | |
150 |
|
151 | |||
151 | QChartAxis* QChart::axisX() const |
|
152 | QChartAxis* QChart::axisX() const | |
152 | { |
|
153 | { | |
153 | return m_dataset->axisX(); |
|
154 | return m_dataset->axisX(); | |
154 | } |
|
155 | } | |
155 |
|
156 | |||
156 | QChartAxis* QChart::axisY() const |
|
157 | QChartAxis* QChart::axisY() const | |
157 | { |
|
158 | { | |
158 | return m_dataset->axisY(); |
|
159 | return m_dataset->axisY(); | |
159 | } |
|
160 | } | |
160 |
|
161 | |||
161 | void QChart::resizeEvent(QGraphicsSceneResizeEvent *event) |
|
162 | void QChart::resizeEvent(QGraphicsSceneResizeEvent *event) | |
162 | { |
|
163 | { | |
163 |
|
164 | |||
164 | m_rect = QRectF(QPoint(0,0),event->newSize()); |
|
165 | m_rect = QRectF(QPoint(0,0),event->newSize()); | |
165 | QRectF rect = m_rect.adjusted(margin(),margin(), -margin(), -margin()); |
|
166 | QRectF rect = m_rect.adjusted(margin(),margin(), -margin(), -margin()); | |
166 |
|
167 | |||
167 | // recalculate title position |
|
168 | // recalculate title position | |
168 | if (m_titleItem) { |
|
169 | if (m_titleItem) { | |
169 | QPointF center = m_rect.center() -m_titleItem->boundingRect().center(); |
|
170 | QPointF center = m_rect.center() -m_titleItem->boundingRect().center(); | |
170 | m_titleItem->setPos(center.x(),m_rect.top()/2 + margin()/2); |
|
171 | m_titleItem->setPos(center.x(),m_rect.top()/2 + margin()/2); | |
171 | } |
|
172 | } | |
172 |
|
173 | |||
173 | //recalculate background gradient |
|
174 | //recalculate background gradient | |
174 | if (m_backgroundItem) { |
|
175 | if (m_backgroundItem) { | |
175 | m_backgroundItem->setRect(rect); |
|
176 | m_backgroundItem->setRect(rect); | |
176 | } |
|
177 | } | |
177 |
|
178 | |||
178 | QGraphicsWidget::resizeEvent(event); |
|
179 | QGraphicsWidget::resizeEvent(event); | |
179 | update(); |
|
180 | update(); | |
180 | } |
|
181 | } | |
181 |
|
182 | |||
182 | #include "moc_qchart.cpp" |
|
183 | #include "moc_qchart.cpp" | |
183 |
|
184 | |||
184 | QTCOMMERCIALCHART_END_NAMESPACE |
|
185 | QTCOMMERCIALCHART_END_NAMESPACE |
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