@Override
public JRDesignElement createReportElement(JasperDesign jd) {
JRDesignTextField element = (JRDesignTextField) super.createReportElement(jd);
FieldPercentageDialog dialog = new FieldPercentageDialog(Misc.getMainFrame());
dialog.setJasperDesign(jd);
dialog.setVisible(true);
if (dialog.getDialogResult() == JOptionPane.OK_OPTION) {
JRField f = dialog.getSelectedField();
ResetTypeEnum resetType = dialog.getSelectedResetTypeValue();
JRGroup group = null;
if (resetType == ResetTypeEnum.GROUP) {
group = dialog.getSelectedGroup();
}
// Let's create the variable...
JRDesignVariable variable = new JRDesignVariable();
for (int i = 0; ; ++i) {
String vname = f.getName() + "_SUM";
if (i > 0) vname += "_" + i;
if (jd.getVariablesMap().containsKey(vname)) {
continue;
}
variable.setName(vname);
break;
}
variable.setExpression(
Misc.createExpression(f.getValueClassName(), "$F{" + f.getName() + "}"));
variable.setValueClassName(f.getValueClassName());
variable.setCalculation(CalculationEnum.SUM);
variable.setResetType(resetType);
if (resetType == ResetTypeEnum.GROUP) {
variable.setResetGroup(group);
}
try {
jd.addVariable(variable);
} catch (JRException ex) {
ex.printStackTrace();
}
((JRDesignExpression) element.getExpression())
.setText(
"new Double( $F{"
+ f.getName()
+ "}.doubleValue() / $V{"
+ variable.getName()
+ "}.doubleValue() )");
((JRDesignExpression) element.getExpression()).setValueClassName("java.lang.Double");
element.setPattern("#,##0.00%");
setMatchingClassExpression(
((JRDesignExpression) element.getExpression()),
((JRDesignExpression) element.getExpression()).getValueClassName(),
true);
element.setEvaluationTime(EvaluationTimeEnum.AUTO);
return element;
}
return null;
}
private String generateExpression(JRExpression expression, byte evaluationType) {
JRParameter jrParameter = null;
JRField jrField = null;
JRVariable jrVariable = null;
StringBuffer sbuffer = new StringBuffer();
JRExpressionChunk[] chunks = expression.getChunks();
JRExpressionChunk chunk = null;
String chunkText = null;
if (chunks != null && chunks.length > 0) {
for (int i = 0; i < chunks.length; i++) {
chunk = chunks[i];
chunkText = chunk.getText();
if (chunkText == null) {
chunkText = "";
}
switch (chunk.getType()) {
case JRExpressionChunk.TYPE_TEXT:
{
sbuffer.append(chunkText);
break;
}
case JRExpressionChunk.TYPE_PARAMETER:
{
jrParameter = (JRParameter) parametersMap.get(chunkText);
sbuffer.append("((");
sbuffer.append(jrParameter.getValueClassName());
sbuffer.append(")super.parameter_");
sbuffer.append(JRStringUtil.getJavaIdentifier(chunkText));
sbuffer.append(".getValue())");
break;
}
case JRExpressionChunk.TYPE_FIELD:
{
jrField = (JRField) fieldsMap.get(chunkText);
sbuffer.append("((");
sbuffer.append(jrField.getValueClassName());
sbuffer.append(")super.field_");
sbuffer.append(JRStringUtil.getJavaIdentifier(chunkText));
sbuffer.append(".get");
sbuffer.append((String) fieldPrefixMap.get(new Byte(evaluationType)));
sbuffer.append("Value())");
break;
}
case JRExpressionChunk.TYPE_VARIABLE:
{
jrVariable = (JRVariable) variablesMap.get(chunkText);
sbuffer.append("((");
sbuffer.append(jrVariable.getValueClassName());
sbuffer.append(")super.variable_");
sbuffer.append(JRStringUtil.getJavaIdentifier(chunkText));
sbuffer.append(".get");
sbuffer.append((String) variablePrefixMap.get(new Byte(evaluationType)));
sbuffer.append("Value())");
break;
}
case JRExpressionChunk.TYPE_RESOURCE:
{
jrParameter = (JRParameter) parametersMap.get(chunkText);
sbuffer.append("super.evaluator.str(\"");
sbuffer.append(chunkText);
sbuffer.append("\")");
break;
}
}
}
}
if (sbuffer.length() == 0) {
sbuffer.append("null");
}
return sbuffer.toString();
}