00001 #ifndef STACKEDGRAPH_H
00002 #define STACKEDGRAPH_H
00003
00004 #include <QGraphicsScene>
00005 #include "StackedGraphView.h"
00006 #include "DataItem.h"
00007 #include "ColorScheme1D.h"
00008
00012 struct TempData
00013 {
00014 int i;
00015 int j;
00016 QGraphicsItem* item;
00017 };
00018
00022 class StackedGraph : public QGraphicsScene
00023 {
00024 Q_OBJECT
00025
00026 public:
00035 StackedGraph(const QVector<DataItem>* dataPtr, const QString* unitSymbolPtr, const bool* unitAfterNumberPtr, const QVector<QString>* unitSizeNamesPtr, QWidget* parent);
00036 ~StackedGraph();
00037
00038 StackedGraphView* getView() {return view;}
00039 int getLength() {calculateFirstLastDate(); return getXPos(lastYear, lastMonth);}
00040 int getXRange() {return xRange;}
00041 int getYRange() {return yRange;}
00042 bool getRenderGraph() {return renderGraph;}
00043 void setRenderGraph(bool renderGraphOn) {renderGraph = renderGraphOn;}
00044
00045 signals:
00046 void maxColorTextChanged(const QString& text, const QColor& color);
00047 void minColorTextChanged(const QString& text, const QColor& color);
00048
00049 public slots:
00050 void makeStackedGraph();
00051 void setXRange(int newXRange) {if (xRange != double(newXRange)) {xRange = double(newXRange); makeStackedGraph();}}
00052 void setBaselineAlgo(int newBaselineAlgo) {if (baselineAlgo != newBaselineAlgo) {baselineAlgo = newBaselineAlgo; makeStackedGraph();}}
00053 void setSortAlgo(int newSortAlgo) {if (sortAlgo != newSortAlgo) {sortAlgo = newSortAlgo; makeStackedGraph();}}
00054 void setColorAlgo(int newColorAlgo) {if (colorAlgo != newColorAlgo) {colorAlgo = newColorAlgo; makeStackedGraph();}}
00055 void setMaxColor(const QColor& newMaxColor) {colorScheme.setColor_1(newMaxColor); makeStackedGraph();}
00056 void setMinColor(const QColor& newMinColor) {colorScheme.setColor_2(newMinColor); makeStackedGraph();}
00057 void setDetailedInformation(bool detailedInfo) {detailedInformation = detailedInfo; emitColorAlgoMinMaxValue();}
00058 void makeToolTip(QGraphicsItem* item, QPoint pos);
00059
00060 private:
00061 void calculateFirstLastDate();
00062 void calculateXYScale();
00063 void calculateColorAlgoMinMaxValue();
00064 void emitColorAlgoMinMaxValue();
00065 void sortStackedGraph();
00066 void paintStackedGraph();
00067 int getDataXPos(int i, int j);
00068 int getXPos(int year, int month);
00069 int getAverageUnitSize(const QVector<DataItemPart>& items);
00070
00076 QString addUnitToNumber(double number, int unitSize = -1);
00077 void pathTo(QPainterPath& path, double pX, double pY);
00078 void resetPathTo(QPainterPath& path, double pX, double pY);
00079 void textTo(QPainterPath& path, double pX, double pY, double quantity, const QString& label);
00080 int textPosIndex(const QVector<DataItemPart>& data);
00081
00082 StackedGraphView* view;
00083 const QVector<DataItem>* data;
00084 const QString* unitSymbol;
00085 const bool* unitAfterNumber;
00086 const QVector<QString>* unitSizeNames;
00087 QVector<TempData> tempData;
00088 int baselineAlgo,sortAlgo,colorAlgo;
00089 double oX,oY;
00090 double xScale,yScale;
00091 double xRange,yRange;
00092 double yMaxPos;
00093 double colorAlgoMinValue,colorAlgoMaxValue;
00094 int firstYear,firstMonth,lastYear,lastMonth;
00095 bool renderGraph;
00096 bool detailedInformation;
00097 ColorScheme1D colorScheme;
00098 };
00099
00100 #endif
