Java Doc for PaintComponentFunction.java in  » Report » pentaho-report » org » jfree » report » function » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » pentaho report » org.jfree.report.function 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   org.jfree.report.function.AbstractExpression
      org.jfree.report.function.AbstractFunction
         org.jfree.report.function.PaintComponentFunction

PaintComponentFunction
public class PaintComponentFunction extends AbstractFunction implements LayoutListener(Code)
Paints a AWT or Swing Component, fitting the component into the element bounds. The component must be contained in the dataRow.

In an headless environment this function wont work and will always return null.
author:
   Thomas Morgner




Constructor Summary
public  PaintComponentFunction()
     DefaultConstructor.

Method Summary
public  StringgetElement()
     Returns the element used by the function.
public  StringgetField()
     Returns the field used by the function.
public  ExpressiongetInstance()
     Return a completly separated copy of this function.
public  floatgetScale()
     Gets the scale factor for the created image.
public  ObjectgetValue()
     Return the current expression value.
protected static  booleanisHeadless()
     Tests, whether the report generation is executed in an headless environment.
public  voidlayoutComplete(LayoutEvent event)
     Receives notification that the band layouting has completed.
public  voidoutputComplete(LayoutEvent event)
     Not used.
public  voidsetElement(String field)
     Sets the element name for the function.
public  voidsetField(String field)
     Sets the field name for the function.
public  voidsetScale(float scale)
     Define a scale factor for the created image.


Constructor Detail
PaintComponentFunction
public PaintComponentFunction()(Code)
DefaultConstructor.




Method Detail
getElement
public String getElement()(Code)
Returns the element used by the function.

The element name corresponds to a element in the report. The element name must be unique, as the first occurence of the element is used. The field name.




getField
public String getField()(Code)
Returns the field used by the function. The field name corresponds to a column name in the report's data-row. The field name.



getInstance
public Expression getInstance()(Code)
Return a completly separated copy of this function. The copy does no longer share any changeable objects with the original function. a copy of this function.



getScale
public float getScale()(Code)
Gets the scale factor for the created image. Using a higher scale factor will produce better results. A scale factor of 2 will double the resolution. A scale factor of 1 will create 72 dpi images. the scale factor.



getValue
public Object getValue()(Code)
Return the current expression value.

The value depends (obviously) on the expression implementation. the value of the function.




isHeadless
protected static boolean isHeadless()(Code)
Tests, whether the report generation is executed in an headless environment. true, if this is an headless environment, false otherwise.



layoutComplete
public void layoutComplete(LayoutEvent event)(Code)
Receives notification that the band layouting has completed.

The event carries the current report state.
Parameters:
  event - The event.




outputComplete
public void outputComplete(LayoutEvent event)(Code)
Not used.
Parameters:
  event - not used.



setElement
public void setElement(String field)(Code)
Sets the element name for the function.

The element name corresponds to a element in the report. The element name must be unique, as the first occurence of the element is used.
Parameters:
  field - the field name (null not permitted).




setField
public void setField(String field)(Code)
Sets the field name for the function. The field name corresponds to a column name in the report's data-row.
Parameters:
  field - the field name.



setScale
public void setScale(float scale)(Code)
Define a scale factor for the created image. Using a higher scale factor will produce better results. A scale factor of 2 will double the resolution. A scale factor of 1 will create 72 dpi images.
Parameters:
  scale - the scale factor.



Methods inherited from org.jfree.report.function.AbstractFunction
public void groupFinished(ReportEvent event)(Code)(Java Doc)
public void groupStarted(ReportEvent event)(Code)(Java Doc)
public void itemsAdvanced(ReportEvent event)(Code)(Java Doc)
public void itemsFinished(ReportEvent event)(Code)(Java Doc)
public void itemsStarted(ReportEvent event)(Code)(Java Doc)
public void reportDone(ReportEvent event)(Code)(Java Doc)
public void reportFinished(ReportEvent event)(Code)(Java Doc)
public void reportInitialized(ReportEvent event)(Code)(Java Doc)
public void reportStarted(ReportEvent event)(Code)(Java Doc)

Methods inherited from org.jfree.report.function.AbstractExpression
public Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public DataRow getDataRow()(Code)(Java Doc)
public int getDependencyLevel()(Code)(Java Doc)
public Expression getInstance()(Code)(Java Doc)
public String getName()(Code)(Java Doc)
public Configuration getReportConfiguration()(Code)(Java Doc)
public ResourceBundleFactory getResourceBundleFactory()(Code)(Java Doc)
public ExpressionRuntime getRuntime()(Code)(Java Doc)
final public boolean isActive()(Code)(Java Doc)
public boolean isDeepTraversing()(Code)(Java Doc)
public boolean isPreserve()(Code)(Java Doc)
final public void setActive(boolean active)(Code)(Java Doc)
public void setDependencyLevel(int level)(Code)(Java Doc)
public void setName(String name)(Code)(Java Doc)
public void setPreserve(boolean preserve)(Code)(Java Doc)
public void setRuntime(ExpressionRuntime runtime)(Code)(Java Doc)

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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