/**
* Checks if the variable name is suitable for the current expression context.
*
* @param variable the variable to validate
*/
@Check
public void checkVariableName(JRVariableObj variable) {
ExpressionContext currExpContext =
ExpressionEditorSupportUtil.safeGetCurrentExpressionContext();
List<JRVariable> allVariables = ExpressionContextUtils.getAllDatasetsVariables(currExpContext);
for (JRVariable v : allVariables) {
if (("{" + v.getName() + "}").equals(variable.getBracedIdentifier()))
return; //$NON-NLS-1$ //$NON-NLS-2$
}
List<JRVariable> allCrosstabsVariables =
ExpressionContextUtils.getAllCrosstabsVariables(currExpContext);
for (JRVariable v : allCrosstabsVariables) {
if (("{" + v.getName() + "}").equals(variable.getBracedIdentifier()))
return; //$NON-NLS-1$ //$NON-NLS-2$
}
error(
Messages.JavaJRExpressionJavaValidator_VariableNotFoundInContextError,
variable,
JavaJRExpressionPackage.Literals.JR_VARIABLE_OBJ__BRACED_IDENTIFIER,
JavaJRExpressionPackage.JR_VARIABLE_OBJ__BRACED_IDENTIFIER);
}
private JRVariable createHelperVariable(
JRVariable variable, String nameSuffix, byte calculation) {
JRDesignVariable helper = new JRDesignVariable();
helper.setName(variable.getName() + nameSuffix);
helper.setValueClassName(variable.getValueClassName());
helper.setIncrementerFactoryClassName(variable.getIncrementerFactoryClassName());
helper.setResetType(variable.getResetType());
helper.setResetGroup(variable.getResetGroup());
helper.setIncrementType(variable.getIncrementType());
helper.setIncrementGroup(variable.getIncrementGroup());
helper.setCalculation(calculation);
helper.setSystemDefined(true);
helper.setExpression(variable.getExpression());
return helper;
}
private JRVariable createDistinctCountHelperVariable(JRVariable variable) {
JRDesignVariable helper = new JRDesignVariable();
helper.setName(variable.getName() + "_DISTINCT_COUNT");
helper.setValueClassName(variable.getValueClassName());
helper.setIncrementerFactoryClassName(JRDistinctCountIncrementerFactory.class.getName());
helper.setResetType(JRVariable.RESET_TYPE_REPORT);
if (variable.getIncrementType() != JRVariable.RESET_TYPE_NONE)
helper.setResetType(variable.getIncrementType());
helper.setResetGroup(variable.getIncrementGroup());
helper.setCalculation(JRVariable.CALCULATION_NOTHING);
helper.setSystemDefined(true);
helper.setExpression(variable.getExpression());
return helper;
}
private boolean hasVariableCalculationReq(JRVariable var, byte calculation) {
return variableCalculationReqs.contains(new VariableCalculationReq(var.getName(), calculation));
}
