How to use WeightedAverage Formula in Ireport? - jasper-reports

I am using crosstab in Jasper report(ireport 4.5.1) . I need to do 'Weighted Average' calculation on Rowmeasure.
Can we use WeightedAverage Function in Ireport?
I am using ireport4.5.1
Regards


We had a similar situation where it was required to calculate the interest value. We did it in the following way. Similary, it can be achieved for any calculation at runtime.
<textField> <reportElement.. /> <textFieldExpression class="java.lang.Double"><![CDATA[$F{VALUE1}]]></textFieldExpression> </textField>
<textField> <reportElement ..><textFieldExpression class="java.lang.Double"><![CDATA[$F{VALUE2}]]></textFieldExpression> </textField>
<textField> <reportElement ../><textFieldExpression class="java.lang.Double"><![CDATA[Interest.calculateIntr($F{VALUE1}, $F{VALUE2})]]></textFieldExpression> </textField>
Jave code:
public class Interest {
static Double calculateIntr(Double value1,Double value2){
...
return interest;
}

Related

Dynamic content in text field in JRXML file

Below is the code snippet
<staticText>
<reportElement key="staticText-2" mode="Opaque" x="381" y="242" width="79" height="18" forecolor="#000000" backcolor="#FFFFFF" uuid="4ec23e25-c8d9-4941-bd81-777aff6c08a7">
<reportElement/>
<text><![CDATA[14.01.2019]]></text>
</staticText>
Each month we need to change the date in JRXML file manually <text><![CDATA[14.01.2019]]></text> as 14.11,14,12 etc.
How can I automate this feature? Like code will read the current system date, once it reaches 14th of the month , automatically the date will change in jrxml file as well?
Please help.

You could turn the staticText into a textField where you could use an expression based on JasperReports built-in date/time functions, like so:
<textField>
<reportElement key="staticText-2" mode="Opaque" x="381" y="242" width="79" height="18" forecolor="#000000" backcolor="#FFFFFF" uuid="4ec23e25-c8d9-4941-bd81-777aff6c08a7"/>
<textFieldExpression><![CDATA[DATEFORMAT(EDATE($P{AccountingDate}, 1), "14.MM.yyyy")]]></textFieldExpression>
</textField>

Text truncated on JasperReports

I have a JasperReports's report within an application that is truncating text and I am unsure how to get it to display the full name.
The code snippet below shows that I have included isStretchWithOverflow="true":
<textField isStretchWithOverflow="true" isBlankWhenNull="true">
<reportElement x="353" y="0" width="79" height="30"/>
<textElement textAlignment="Right"/>
<textFieldExpression class="java.lang.String"><![CDATA[$F{acname}]]></textFieldExpression>
</textField>
The JasperReports's image shows incorrect values. One of these should read: 'Double Time Pay - Bill Regular' and the other 'Double Time Pay - Bill Overtime'.

Comparing two columns on a row and removing if they match

I'm looking to create a report in iReport, this will display a row of Car weights which includes there expected weight and actual weight. I'm looking to only display the cars that have are different between the actual weight and expected weight. I'm also looking to display an extra columns on the right which displays how much they're different by.
E.g.
CAR Expected Weight ActualWeight WeightDIFF
-------------------------------------------
> NUGLN9L 2000kg 2200kg 200kg
> YBOL9GT 1700kg 1700kg 0kg (Shouldn't display this row)
> CL55GBP 1100kg 2200kg 1100kg
The part of jrxml:
<columnHeader>
<band height="61" splitType="Stretch">
<textField>
<reportElement x="108" y="0" width="100" height="20" uuid="205a44be-528a-4d6b-83e7-85cc0f417fd6"/>
<textFieldExpression><![CDATA[$F{car}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="219" y="0" width="100" height="20" uuid="704e546a-d4f1-4d8d-b5e7-a7ac8154d882"/>
<textFieldExpression><![CDATA[$F{expectedWeight}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="332" y="0" width="100" height="20" uuid="08846a54-7415-4f32-a0ef-41f2770e2278"/>
<textFieldExpression><![CDATA[$F{ActualWeight}]]></textFieldExpression>
</textField>
<textField>
<reportElement x="443" y="0" width="100" height="20" uuid="7ebea114-3303-48c0-b877-f0940c62aa7f"/>
<textFieldExpression><![CDATA[$F{WeightDIFF}]]></textFieldExpression>
</textField>
</band>
</columnHeader>
Any help would be excellent

If you are using iReport designer you can select the field on screen, on the right pane of properties each field has a Print When Expression property. You can create a variable (Boolean is easiest). E.G
!$F{CarWeight1}.equals($F{CarWeight2})
Create a variable and set that as a boolean. Drop the variable into the print when expression property on each field. Also worth ticking remove line when blank for each field for formatting purposes.
Hope this helps.

As #AlexK pointed out, you can use the Print when expression.
After your <band> row, add the following (I assume $F{WeightDIFF} is an Integer):
<printWhenExpression><![CDATA[$F{WeightDIFF} > 0]]></printWhenExpression>

Print a field when certain value is not present Jasper reports

I am creating a JasperReports's report using iReport. I have a date field where once instance is 01-JAN-1900. I need any time the date field has this value then null value is printed. I have tried this:
<textField pattern="dd-MMM-yyyy" isBlankWhenNull="true">
<reportElement uuid="4dd05795-8363-4cf3-ad30-239aac3a086f" x="3" y="0" width="63" height="15">
<printWhenExpression><![CDATA[$F{TRAN_DATE} != "01-JAN-1900"]]></printWhenExpression>
</reportElement>
<textElement>
<font size="9"/>
</textElement>
<textFieldExpression><![CDATA[$F{TRAN_DATE}]]></textFieldExpression>
</textField>
But the value is still getting printed. How do I achieve this?

You cannot compare dissimilar types. Drop the String literal and compare datetime types.

If your field $F{TRAN_DATE} is in java.util.Date type, change it to java.lang.String and your condition should work.

How to get current page number and total pages as variables on each page? [duplicate]

This question already has answers here:
Jasper Reports Show "Page X of Y" using a single text field
(8 answers)
Closed 4 years ago.
I need to generate OMR code on a report. I think about calling some service method on each page that get page number and total pages as parameters. Problem is: How to get that values (page number, total pages) as variables on each page ?
<background>
<band height="797">
<textField>
<reportElement x="30" y="684" width="100" height="97"/>
<textFieldExpression><![CDATA[OMRService.generateCode($V{totalPages},$V{pageNumber})]]></textFieldExpression>
</textField>
</band>
</background>

below you have sample code how to do it in 2 different textFields.
<textField evaluationTime="Page">
<reportElement x="0" y="0" width="520" height="15"/>
<textElement textAlignment="Right"/>
<textFieldExpression class="java.lang.Integer"><![CDATA[$V{PAGE_NUMBER}+"/"]]> </textFieldExpression>
</textField>
<textField evaluationTime="Report">
<reportElement x="521" y="0" width="14" height="15"/>
<textElement textAlignment="Left"/>
<textFieldExpression class="java.lang.Integer"><![CDATA[$V{PAGE_NUMBER}]]></textFieldExpression>
</textField>
When evaluationTime="Page" you will get page number, when "Report" there will be displayed total number of pages. I dont know how to merge it together in one textfield (dont even know if its possible - I spent a lot of time on it and couldnt solve this problem).

Select the text field.
Set Expression to: msg("Page {0} of {1}", $V{V_CURRENT_PAGE_NUMBER}, $V{PAGE_NUMBER})
Set Evalutation Time to: Auto