java - Swingtools extension of JXTable and JTable, hiding columns return index out of bounds -


i'm evaluating swingtools jtable, open source , more powerful version of jtable , jxtable. maintainer ivan portyankin explains on blog ipsoftware blog:

"sometimes may seem standard swing jtable or close companions swingx jxtable limited. don’t have many funny ways manipulate them – strict rectangular grids, every row taking fixed amount of screen space in pixels , columns taken 1 , column model. columns cannot spanned or split , take single cell in grid."

now investigating ability of hiding columns, can done via interface: swingtools table i'd hide default columns , store preference when user manually re-enables them show last chosen preference.

below try hide columns default incur in arrayindexoutofboundsexception error!!

public class advancedtabledemo extends jframe {     public advancedtabledemo()     {         super("advanced table demo");         setdefaultcloseoperation(exit_on_close);         setsize(600, 300);          final basetable basetable = new basetable();         basetable.setfilterheaderenabled(true);         add(new jscrollpane(basetable));         beanpropertytablemodel<tablebean> model = new beanpropertytablemodel<tablebean>(tablebean.class);         model.setorderedproperties(arrays.aslist("name", "surname", "date"));         model.setdata(tablebean.generatelist(100));         basetable.setmodel(model);          int j = basetable.getcolumncount(true);         (int = 0; < j; i++)         {             tablecolumnext tablecolumnext = basetable.getcolumnext(i);             tablecolumnext.setvisible(false);         }         setvisible(true);     }      public static void main(string[] args)     {         swingutilities.invokelater(new runnable()         {             @override             public void run()             {                 new advancedtabledemo();             }         });     } }

the error is:

exception in thread "awt-eventqueue-0" java.lang.arrayindexoutofboundsexception: 2 >= 1     @ java.util.vector.elementat(vector.java:474)     @ javax.swing.table.defaulttablecolumnmodel.getcolumn(defaulttablecolumnmodel.java:294)     @ org.jdesktop.swingx.jxtable.getcolumn(jxtable.java:2265)     @ org.jdesktop.swingx.jxtable.getcolumnext(jxtable.java:2415)     @ demo.table.advancedtabledemo.<init>(advancedtabledemo.java:46)     @ demo.table.advancedtabledemo$1.run(advancedtabledemo.java:62)     @ java.awt.event.invocationevent.dispatch(invocationevent.java:311)     @ java.awt.eventqueue.dispatcheventimpl(eventqueue.java:756)     @ java.awt.eventqueue.access$500(eventqueue.java:97)     @ java.awt.eventqueue$3.run(eventqueue.java:709)     @ java.awt.eventqueue$3.run(eventqueue.java:703)     @ java.security.accesscontroller.doprivileged(native method)     @ java.security.protectiondomain$javasecurityaccessimpl.dointersectionprivilege(protectiondomain.java:76)     @ java.awt.eventqueue.dispatchevent(eventqueue.java:726)     @ java.awt.eventdispatchthread.pumponeeventforfilters(eventdispatchthread.java:201)     @ java.awt.eventdispatchthread.pumpeventsforfilter(eventdispatchthread.java:116)     @ java.awt.eventdispatchthread.pumpeventsforhierarchy(eventdispatchthread.java:105)     @ java.awt.eventdispatchthread.pumpevents(eventdispatchthread.java:101)     @ java.awt.eventdispatchthread.pumpevents(eventdispatchthread.java:93)     @ java.awt.eventdispatchthread.run(eventdispatchthread.java:82)

the column count 3, getting greater column 1 yields error seen! tried 17 columns , greater 10 returns exception.

am missing here??

the column count 3, getting greater column 1 yields error

int j = basetable.getcolumncount(true); (int = 0; < j; i++)

yes, after hide first column there 2. after hide next column there 1 (so exception).

so solution hide columns end of table, not beginning:

int j = basetable.getcolumncount(true) -1; (int = j; >= 0;  i--)

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