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Various utility classes to ease development of plugins
package kg.apc.charting;
import kg.apc.charting.rows.*;
import java.awt.*;
import java.util.Iterator;
import java.util.Map.Entry;
public abstract class AbstractGraphRow {
public static final int MARKER_SIZE_NONE = 0;
public static final int MARKER_SIZE_SMALL = 2;
public static final int MARKER_SIZE_BIG = 4;
public static final float LINE_THICKNESS_BIG = 3.0f;
public static final int ROW_AVERAGES = 0;
public static final int ROW_EXACT_VALUES = 1;
public static final int ROW_OVERALL_AVERAGES = 2;
public static final int ROW_PERCENTILES = 3;
public static final int ROW_SUM_VALUES = 4;
public static final int ROW_ROLLING_SUM_VALUES = 5;
public static final int ROW_SIMPLE = 6;
protected boolean drawLine = false;
private boolean drawValueLabel = false;
private boolean showInLegend = true;
private boolean drawThickLines = false;
protected int markerSize = MARKER_SIZE_NONE;
protected Color color = Color.BLACK;
/**
* When user clicks on this, color of the box and metric line will change.
*/
protected Rectangle legendColorBox = null;
protected String label = "";
protected long maxX = Long.MIN_VALUE;
protected long minX = Long.MAX_VALUE;
private boolean drawOnChart = true;
private boolean drawBar = false;
private boolean drawSpline = false;
private int granulation = 0;
private long firstTime = Long.MIN_VALUE;
public void setDrawThickLines(boolean isThickLine) {
drawThickLines = isThickLine;
}
public boolean isDrawThickLines() {
return drawThickLines;
}
/**
* @param b
*/
public void setDrawLine(boolean b) {
drawLine = b;
}
/**
* @param aMarkerSize
*/
public void setMarkerSize(int aMarkerSize) {
markerSize = aMarkerSize;
}
/**
* @return the drawLine
*/
public boolean isDrawLine() {
return drawLine;
}
/**
* @return the markerSize
*/
public int getMarkerSize() {
return markerSize;
}
/**
* @return
*/
public Color getColor() {
return color;
}
/**
* @param nextColor
*/
public void setColor(Color nextColor) {
color = nextColor;
}
/**
* @return the label
*/
public String getLabel() {
return label;
}
/**
* @param label the label to set
*/
public void setLabel(String label) {
this.label = label;
}
/**
* @return the maxX
*/
public long getMaxX() {
return maxX;
}
/**
* @return the exact maxY, taking in account maxPoint limit
*/
public double[] getMinMaxY(int maxPoints) {
int factor;
double[] minMax = new double[2];
minMax[0] = Double.MAX_VALUE;
minMax[1] = 0;
Entry element;
if (maxPoints > 0) {
factor = (int) Math.floor(this.size() / (double) maxPoints) + 1;
} else {
factor = 1;
}
Iterator> it = this.iterator();
double calcY;
while (it.hasNext()) {
calcY = 0;
if (factor == 1) {
element = it.next();
AbstractGraphPanelChartElement elt = (AbstractGraphPanelChartElement) element.getValue();
calcY = elt.getValue();
} else {
double nbPointProcessed = 0;
for (int i = 0; i < factor; i++) {
if (it.hasNext()) {
element = it.next();
calcY = calcY + ((AbstractGraphPanelChartElement) element.getValue()).getValue();
nbPointProcessed++;
}
}
calcY = calcY / nbPointProcessed;
}
if (minMax[0] > calcY) {
minMax[0] = calcY;
}
if (minMax[1] < calcY) {
minMax[1] = calcY;
}
}
//if bars min always 0
if (isDrawBar()) {
minMax[0] = 0;
}
return minMax;
}
/**
* @return the minX
*/
public long getMinX() {
return minX;
}
/**
* @param xVal
* @param yVal
*/
public void add(long xVal, double yVal) {
if (getFirstTime() == Long.MIN_VALUE) {
firstTime = xVal;
}
if (xVal > maxX) {
maxX = xVal;
}
if (xVal < minX) {
minX = xVal;
}
}
/**
* @return
*/
public abstract Iterator> iterator();
/**
* @return the drawValueLabel
*/
public boolean isDrawValueLabel() {
return drawValueLabel;
}
/**
* @param drawValueLabel the drawValueLabel to set
*/
public void setDrawValueLabel(boolean drawValueLabel) {
this.drawValueLabel = drawValueLabel;
}
/**
* @return the showInLegend
*/
public boolean isShowInLegend() {
return showInLegend;
}
/**
* @param showInLegend the showInLegend to set
*/
public void setShowInLegend(boolean showInLegend) {
this.showInLegend = showInLegend;
}
/**
* @return the drawOnChart
*/
public boolean isDrawOnChart() {
return drawOnChart;
}
/**
* @param drawOnChart the drawOnChart to set
*/
public void setDrawOnChart(boolean drawOnChart) {
this.drawOnChart = drawOnChart;
}
public void setDrawBar(boolean b) {
this.drawBar = b;
}
/**
* @return the drawBar
*/
public boolean isDrawBar() {
return drawBar;
}
public boolean isDrawSpline() {
return drawSpline;
}
public void setDrawSpline(boolean drawSpline) {
this.drawSpline = drawSpline;
}
/**
* @return the granulation value for drawbar width
*/
public int getGranulationValue() {
return granulation;
}
/**
* set the granulation value for drawbar width
*/
public void setGranulationValue(int value) {
this.granulation = value;
}
/**
* For bar chart x axis too big prevention. Must be overridden if necessary.
*
* @param excludeOutOfRangeValues
*/
public void setExcludeOutOfRangeValues(boolean excludeOutOfRangeValues) {
}
/**
* Needed for csv export.
*
* @param value the key to get the element
* @return the corresponding element
*/
public abstract AbstractGraphPanelChartElement getElement(long value);
/**
* Needed for aggregate average rows witch need to be summed.
* Must be overridden in child class if needed
*
* @param value the upper key to get the floor element
* @return the floor element, null if not exist
*/
public AbstractGraphPanelChartElement getLowerElement(long value) {
throw new UnsupportedOperationException();
}
public Long getHigherKey(long value) {
throw new UnsupportedOperationException();
}
public abstract int size();
public static AbstractGraphRow instantiateNewRow(int rowType) {
switch (rowType) {
case AbstractGraphRow.ROW_AVERAGES:
return new GraphRowAverages();
case AbstractGraphRow.ROW_EXACT_VALUES:
return new GraphRowExactValues();
case AbstractGraphRow.ROW_OVERALL_AVERAGES:
return new GraphRowOverallAverages();
case AbstractGraphRow.ROW_PERCENTILES:
return new GraphRowPercentiles();
case AbstractGraphRow.ROW_SUM_VALUES:
return new GraphRowSumValues(false);
case AbstractGraphRow.ROW_ROLLING_SUM_VALUES:
return new GraphRowSumValues(true);
case AbstractGraphRow.ROW_SIMPLE:
return new GraphRowSimple();
default:
return null;
}
}
/**
* @return the firstTime
*/
public long getFirstTime() {
return firstTime;
}
public void setLegendColorBox(Rectangle val) {
this.legendColorBox = val;
}
public Rectangle getLegendColorBox() {
return this.legendColorBox;
}
}