Befor e y ou begin cr eat ing a deskt op CRUD ( cr eat e, r ead, updat e, delet e) applicat ion in t he I DE, you should alr eady have t he I DE
St art ing t he Server and Creat ing a Dat abase
Once Java DB is regist er ed wit h t he I DE, you can easily st ar t and st op t he dat abase ser ver , as well as cr eat e a new dat abase.
Righ t - click t he dat abase connect ion node (jdbc:derby://localhost:1527/car_database[nbuser on NBUSER]) an d choose Con nect .
Exp and t he conn ect ion n ode and n ot e t hat t h ere ar e sever al schem a subn odes. Righ t - click t he APP node and choose Set as
I n t he Choose Applicat ion Shell field, select Dat abase Applicat ion. e.
Click Next . f.
4 .
I n t he Mast er Table page of t he w izard, select t h e dat ab ase con nect ion f or t he CAR dat abase. The list in g for t h e dat abase should look som et hing like t he following: jdbc:derby://localhost:1527/car_database[nbuser on NBUSER]
5 .
Select t he bot t om five colum n nam es ( beginning wit h SUN_ROOF and ending wit h MODERNNESS) and click t he < but t on t o m ove t hem t o t he left colum n. Click Next .
I n t he Det ail Opt ions pan el, click Fin ish.
Reviewing t he Generat ed Part s of t he Applicat ion
Binding Cont rols t o Values in t he Table
We will now use beans bindin g feat u res t o t ie t h e valu es show n in t able cells t o t he st at e of t he cont r ols we have added. This will allow you t o chan ge t he values of cells in t he t able by using t h e sliders and checkboxes.
To b in d t h e slid e r s t o t h e ir cor r e spon d in g t a b le e le m e n t s:
I n t he for m , r ight - click t he Tir e Size slider and ch oose Bind > value. 1 .
I n t he Binding Sour ce dr op- dow n list of t h e Binding dialog b ox, select masterTable. 2 .
Choose Ru n > Ru n Main Pr oj ect t o execut e t he applicat ion.
The ru nning applicat ion should look sim ilar t o t h e screenshot sh own below . 5 .
I n t he ru nning applicat ion, select t h e fir st r ecord. 6 .
Move t he slider s and ch ange t he checkbox select ions. 7 .
Click Sav e t o save t he changes int o t h e dat ab ase. 8 .
I n t he Serv ices win dow, u se t he View Dat a com m an d again .
The values in t h e dat abase should r eflect ch anges t h at you have m ade. 9 .
Set t ing up a Cust om Com ponent
For an even m or e gr aph ic dem on st r at ion of bean s bin ding in act ion, let 's add a cust om com ponen t t h at will paint a pr eview of t he select ed car . We will bind pr oper t ies of t his com ponent t o corr espon ding t able elem ent s. Th en w hen you r un t h e applicat ion again, t he car pr eview w ill be m od if ied as you change t he select ed row and change t he values of t h e var iou s fields.
To m a k e t h e Ca r Pr e v ie w com pon e n t a v a ila b le f or t h e Ca r sAp p p r oj e ct :
I f you h ave n ot alr eady don e so, down load t he CarPreview.zip f ile. 1 .
Usin g a st and ar d zip t ool, ext r act t he archives of t he zip file. 2 .
Choose File > Open Proj ect and navigat e in t o t he ext r act ed con t ent s of t h e zip file and select t h e Car Pr eview pr oj ect . 3 .
Click Open Proj ect .
The proj ect open s in t he I DE. 4 .
Righ t - click t he Car Preview node an d choose Clean and Build.
This com piles t he files in t he proj ect so t hat you can u se t h e Car Pr eview class as a bean t hat can be dr agged an d dr opped dir ect ly on t o t he f or m .
This com pon ent was wr it t en as a Jav aBean s com ponent , so you could add it t o t he Palet t e, which wou ld be convenien t for addin g t he com ponen t t o m u lt iple app licat ions. Bu t f or n ow we w ill sim ply dr ag t h e com pon ent direct ly int o you r applicat ion dir ect ly f rom t he Pr oj ect s window.
To a dd t h e Ca r Pr e v ie w com pon e nt t o t h e a p plica t ion :
I n t he Pr oj ect s window, expand t he Car Preview > Sou rce Packages > car preview node. 1 .
Dr ag t he CarPreview.java class t o t h e for m . To in ser t it pr oper ly j u st below t he m enu s, place it over t he t able left aligned wit h t h e ot her cont r ols and snapped t o t he bot t om of t h e m en u bar, as sh ow n in t h e im age below .
2 .
Resize t he pr eview com pon ent hor izont ally over t h e en t ir e for m . 3 .
I n t he sam e w ay t hat you bou nd t he slider s an d checkboxes t o elem en t s in t he masterTable com ponent , bind all t h e binding pr oper t ies of t h e CarPr eview com pon ent t o t he cor r esponding select edElem ent at t ribu t es of t h e masterTable. Use t he Bin d popup m enu or t he Bin din g t ab in t he pr opert y sheet .
4 .
Ru n t he CarApp applicat ion again.
I n t he ru nning applicat ion, you can see t he Car Pr eview com ponen t ch ange as you select differ ent r ows in t he t able, alt er valu es in t he t able, m ove t h e sliders, an d select and deselect t he ch eckboxes.
5 .
Building and Deploying t he Applicat ion
Once you are sat isfied t h at you r applicat ion w or ks pr oper ly, you can prepar e t he applicat ion for deploym ent out side of t h e I DE. I n t his sect ion you will build t h e ap plicat ion 's dist r ibut able out put s an d r un t h e applicat ion fr om ou t side of t he I DE.
Building t he Applicat ion
The m ain bu ild com m and in t h e I DE is t he Clean and Build com m and. The Clean an d Build com m an d delet es pr eviously com piled classes and ot h er build ar t ifact s and t h en r ebu ilds t he ent ire proj ect fr om scr at ch.
N ot e s: Ther e is also a Build com m and, wh ich does not delet e old bu ild ar t ifact s, but t his com m and is disabled by default . See t he Com pile on Save sect ion of t h e Creat in g, I m por t ing, and Con figur ing Java Pr oj ect s guide for m or e inf or m at ion.
To bu ild t h e a pp lica t ion :
Choose Run > Clean and Build Main Pr oj ect ( Shift - F11 ) .
Out put f rom t he Ant build scr ipt appear s in t he Out put w in dow . I f t h e Ou t pu t window does not appear , you can op en it m anually by choosing Window > Ou t pu t > Ou t pu t .
When you clean and bu ild your pr oj ect , t he following t hings occu r:
Out put folder s t h at have been gener at ed by pr eviou s build act ions are delet ed ( " cleaned") . ( I n m ost cases, t h ese ar e t he
build and dist folder s are added t o you r pr oj ect folder ( h ereaft er r efer r ed t o as t he PROJECT_ HOME folder) .
Running t he Applicat ion Out side of t he I DE
To r u n t h e a pp lica t ion ou t sid e of t h e I D E:
Dist ribut ing t he Applicat ion t o Ot her Users
Send Feedback on Th is Tu t orial For m or e inf or m at ion on u sing beans bin ding in t h e I DE, see Binding Beans and Dat a in a Deskt op Applicat ion.
See Also
Gen eral Java Developm ent Learn ing Tr ail Net Bean s Plat form CRUD Applicat ion Tu t or ial GUI Edit or FAQ
