iReport Ultimate Guide - Nimsoft Library
iReport Ultimate Guide - Nimsoft Library iReport Ultimate Guide - Nimsoft Library
iReport Ultimate GuideFigure 18-10 Simple field debugging windowThe code of the scriptlet is the following:Code Example 18-3 Debugging scriptlet example sourcepublic void beforePageInit() throws JRScriptletException {pageInitTime = new java.util.Date().getTime();String fieldValuesMsg = "";Iterator i = fieldsMap.keySet().iterator();while (i.hasNext()){String fieldName = (String)i.next();fieldValuesMsg += fieldName + " = " + getFieldValue(fieldName) + "\n";}fieldValuesMsg += "\nStop execution?";}if ( JOptionPane.showConfirmDialog(null, fieldValuesMsg,"",JOptionPane.YES_NO_OPTION) == JOptionPane.OK_OPTION){// Stop the executionthrow new JRScriptletException("Execution interrupted by the user");}The dialog will pop up every time a new page is initialized just because we are implementing the method beforePageInitpausing the report execution. If the user selects Yes (stop the execution), the scriptlet throws a JRScriptletException that342
Scriptletsterminates the report execution with the message “Execution interrupted by the user.” This technique can be used toautomatically terminate a process that is taking too much time (until one of the scriptlet events is actually invoked), when weare producing too many pages, and so on.18.6 Deploying Reports That Use ScriptletsSometimes you may create a report that works well in iReport, but that does not work when deployed in an externalapplication. One of the things to check for is whether the report is using a scriptlet. If it is, be sure that the scriptlet classes areavailable in the classpath. Finally, a scriptlet can be used in more than a single report, so consider creating your own library ofscriptlets and putting all of them in a single JAR.343
- Page 291 and 292: Lists, Tables, and BarcodesSimilarl
- Page 293 and 294: Lists, Tables, and BarcodesFigure 1
- Page 295 and 296: Lists, Tables, and BarcodesFigure 1
- Page 297 and 298: Lists, Tables, and BarcodesWhen usi
- Page 299 and 300: SubdatasetsCHAPTER 15 SUBDATASETSRe
- Page 301 and 302: SubdatasetsUR permits you to use a
- Page 303 and 304: SubdatasetsFigure 15-7Initial layou
- Page 305 and 306: SubdatasetsFigure 15-11 Pie dataset
- Page 307 and 308: CrosstabsCHAPTER 16 CROSSTABSA cros
- Page 309 and 310: CrosstabsUsing the Crosstab Wizard,
- Page 311 and 312: CrosstabsFigure 16-6Outline tree vi
- Page 313 and 314: CrosstabsFigure 16-8Adding a Row Gr
- Page 315 and 316: CrosstabsFigure 16-11 Empty row tot
- Page 317 and 318: CrosstabsFigure 16-16 Crosstab Prop
- Page 319 and 320: CrosstabsFigure 16-19 Crosstab Data
- Page 321 and 322: CrosstabsFigure 16-22 The result of
- Page 323 and 324: InternationalizationCHAPTER 17 INTE
- Page 325 and 326: InternationalizationFigure 17-2Crea
- Page 327 and 328: InternationalizationFigure 17-6New
- Page 329 and 330: InternationalizationFigure 17-7Loca
- Page 331 and 332: ScriptletsCHAPTER 18 SCRIPTLETSA sc
- Page 333 and 334: ScriptletsTable 18-1Report eventsEv
- Page 335 and 336: ScriptletsFigure 18-3Adding a Jar t
- Page 337 and 338: ScriptletsFigure 18-5Build output18
- Page 339 and 340: ScriptletsIf you want to add more s
- Page 341: ScriptletsThis is what you get in t
- Page 345 and 346: Additional ToolsCHAPTER 19 ADDITION
- Page 347 and 348: Additional ToolsFigure 19-3Date and
- Page 349 and 350: Additional ToolsFigure 19-4Percenta
- Page 351 and 352: 19.5 How to Run the SamplesAddition
- Page 353 and 354: Chart Theme ExampleAPPENDIX ACHART
- Page 355 and 356: Chart Theme ExampleCode Example A-1
- Page 357 and 358: IndexINDEXAAdd selected field(s) 20
- Page 359 and 360: Indexcomponents 241embedded in Java
- Page 361 and 362: Indexscriptlets 53sheets. See prope
Scriptletsterminates the report execution with the message “Execution interrupted by the user.” This technique can be used toautomatically terminate a process that is taking too much time (until one of the scriptlet events is actually invoked), when weare producing too many pages, and so on.18.6 Deploying Reports That Use ScriptletsSometimes you may create a report that works well in <strong>iReport</strong>, but that does not work when deployed in an externalapplication. One of the things to check for is whether the report is using a scriptlet. If it is, be sure that the scriptlet classes areavailable in the classpath. Finally, a scriptlet can be used in more than a single report, so consider creating your own library ofscriptlets and putting all of them in a single JAR.343
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