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The QUADRANTPLOT control represents an extension to the normal SVG chart. It allows you to divide the displayed chart into quadrants and to react on clicks.

This document covers the following topics:

• Simple Example

• Properties

Simple Example

The XML layout definition is:

<pagebody takefullheight="true">
  <itr takefullwidth="true" valign="middle">
  <quadrantplot quadrantplotprop="drawArea">
  </quadrantplot>
  </itr>
</pagebody>

The Java code of the adapter is:

public class QuadrantPlotAdapter
  extends Adapter
  implements IQUADRANTPLOTListener   
  // Interface for the click event of the QUADRANTPLOTInfo.

{
  QUADRANTPLOTInfo m_drawArea = new QUADRANTPLOTInfo(this);
  public QUADRANTPLOTInfo getDrawArea() { return m_drawArea; }
  public void setDrawArea(QUADRANTPLOTInfo value) { m_drawArea = value; }

  /** Interface IQUADRANTPLOTListener
   *  Method is call after a click in a quadrant with an ID.<br>
   *  The ID is passed as argument. */
  public void reactOnClick(String id) 
  {
    outputMessage (MT_SUCCESS,"Quadrant "+ id + " was clicked!");
  }

  public void initData()
  {
  // set x axis quadrants description
  String[] xAxisValues = new String[]
  {
  "decreased", "standard", "increased", "highly increased", "none"
  };

  // set y axis quadrants description
  String[] yAxisValues = new String[]
  {
  "low", "mid", "high"
  };
  
  m_drawArea.clearDrawAreaData();
  m_drawArea.rotateXAxisScaleText(-0,0);
  m_drawArea.setLeftYAxisDistance(400);
  m_drawArea.printFrameAround(true);
  
  // set x axis description
  m_drawArea.setXAxisDescription("Risk","black", 18, 250);
  m_drawArea.setYAxisDescription("Occurrences","black", 18, 250);
  
  m_drawArea.setXAxis(xAxisValues);
  m_drawArea.setYAxis(yAxisValues);

  // added quadrants
  m_drawArea.addQuadrantInfo(0, 0, "white", "area_0_0");
  m_drawArea.addQuadrantInfo(0, 1, "white", "area_0_1");
  m_drawArea.addQuadrantInfo(0, 2, "white", "area_0_2");

  m_drawArea.addQuadrantInfo(1, 0, "green", "area_1_0");
  m_drawArea.addQuadrantInfo(1, 1, "green", "area_1_1");
  m_drawArea.addQuadrantInfo(1, 2, "yellow", "area_1_2");

  m_drawArea.addQuadrantInfo(2, 0, "green", "area_2_0");
  m_drawArea.addQuadrantInfo(2, 1, "yellow", "area_2_1");
  m_drawArea.addQuadrantInfo(2, 2, "red", "area_2_2");

  m_drawArea.addQuadrantInfo(3, 0, "yellow", "area_3_0");
  m_drawArea.addQuadrantInfo(3, 1, "red", "area_3_1");
  m_drawArea.addQuadrantInfo(3, 2, "red", "area_3_2");

  m_drawArea.addQuadrantInfo(4, 0, "black", "area_4_0");
  m_drawArea.addQuadrantInfo(4, 1, "black", "area_4_1");
  m_drawArea.addQuadrantInfo(4, 2, "black", "area_4_2");

  // added values
  m_drawArea.addPlotData(0.5, 1.5, "X", 10, "black");
  m_drawArea.addPlotData(0.75, 1.25, "X", 10, "black");

  m_drawArea.addPlotData(1.5, 0.1, "X", 10, "black");
  m_drawArea.addPlotData(1.5, 0.8, "X", 10, "black");

  m_drawArea.addPlotData(1.5, 1.3, "X", 10, "black");
  m_drawArea.addPlotData(1.4, 1.5, "X", 10, "black");
  m_drawArea.addPlotData(1.6, 1.5, "X", 10, "black");

  m_drawArea.addPlotData(1.3, 2.1, "X", 10, "black");
  m_drawArea.addPlotData(1.7, 2.1, "X", 10, "black");
  m_drawArea.addPlotData(1.5, 2.5, "X", 10, "black");
  m_drawArea.addPlotData(1.8, 2.7, "X", 10, "black");

  m_drawArea.addPlotData(2.5, 0.8, "X", 10, "black");

  m_drawArea.addPlotData(2.7, 1.8, "X", 10, "black");

  m_drawArea.addPlotData(2.2, 2.1, "X", 10, "black");
  m_drawArea.addPlotData(2.6, 2.8, "X", 10, "black");

  m_drawArea.addPlotData(3.5, 0.75, "X", 10, "black");

  m_drawArea.addPlotData(4.5, 1.5, "X", 10, "white");

  // get the svg plot
  m_drawArea.setSVGOutputWidth(300);
  }

  /** initialisation - called when creating this instance*/
  public void init()
  {
    initData();
  }
}

Properties

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