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>> SPEAKER 1: Ejja jikteb programm li
għandha user interface grafika li

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jinkludi slider li utent jistgħu jiċċaqalqu
xellug għal-lemin biex jagħżel xi

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valur bejn żewġ interi.

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>> Biex tagħmel dan, stajt bdew ma
xi kodiċi placeholder.

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U issa ejja timla vojt.

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Ejja ewwel talloka GSlider, li ssejjaħ
it slider, u tassenja lilha

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il-valur tar-ritorn tal getGSlider.

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U issa ejja jispeċifikaw li nixtieq l-
tbaxxi marbuta mill-slider li tkun

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numru sħiħ ta '0, l bound fuq tal-
slider li tkun numru sħiħ ta '100, u

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il-valur inizjali default li jkun 50.

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>> Sussegwentement, ejja imorru quddiem u jassoċjaw l-
azzjoni kmand ma 'din slider billi

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ssejjaħ setActionCommand, li jgħaddi fil-
slider, u t-trasferiment fi arbitrarja

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iżda string unika bħal unquote quote
"Slide." Fi kliem ieħor, "slide" hija

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se tkun l-identifikatur unikament
assoċjati ma 'din slider.

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Biss fil-każ user interface tiegħi kellhom
sliders multipli, I jistgħu jiddistingwu

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fosthom ma 'din it-teknika.

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>> Sussegwentement, ejja sejħa addToRegion, li jgħaddi fil-
tieqa, li jgħaddi fil-slider, li jgħaddi

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fil quote unquote "SOUTH," sabiex
żid l-slider li l-isfel

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reġjun ta 'interface għall-utent tagħna.

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Fejn unquote quote "SOUTH" jiġri li
jkun identifikatur uniku definit fil-

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Stanford Librerija Portable.

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>> Imma issa, għaċ-ċarezza, lejn ix-xellug
tal-li let slider hard

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kodiċi n-numru 0.

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U għad-dritt ta 'l-slider ejja
kodiċi hard-numru 100.

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Sabiex l-utent ikun jaf billi jiżżerżaq l-
Ħaġa ix-xellug jew lejn il-lemin kif

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dawn qed jinbidlu valur tagħha.

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>> Qabel ma aħna jalloka dan slider, ejja
jmorru lura hawn u jallokaw GLabel,

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ssejjaħ dan xellug.

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U tassenja din il-valur tar-ritorn tal-
newGLabel, li jgħaddi fil unquote quote -

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fi kliem ieħor -

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ta '"0". Ejja issa jitolbu addToRegion,
tgħaddi fil tieqa, li jgħaddi fil-xellug,

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tgħaddi fil quote unquote "SOUTH." So
li din it-tikketta huwa mdaħħal f'dik il-

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reġjun tan-Nofsinhar qabel l-slider.

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>> U issa wara l-slider, ejja go
quddiem u tiddikjara GLabel ieħor.

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Ssejjaħ dan id-dritt, tassenja dan il-
ritorn valur tal newGLabel.

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Quote unquote - string ieħor -

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"100." U mbagħad sejħa addToRegion,
tgħaddi fil tieqa, li jgħaddi fl-dritt,

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tgħaddi fil-"SOUTH" ukoll.

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Fi kliem ieħor, aħna ħadthom biss iddikjarat
tikketta, slider, u t-tikketta ieħor u

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mdaħħla minnhom fil-reġjun tan-Nofsinhar
f'dik l-ordni, sabiex l-utent ikun jaf

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meta hu jew hi jiċċaqlaq għad-dritt
jew lejn ix-xellug madwar liema valur

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dawn ser ikunu toqrob.

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>> Ejja issa jinduċi loop infinita.

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U ġewwa ta 'dan loop,
tikri ewwel kontroll għal

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GActionEvent, ssejjaħ dan l-avveniment.

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Jassenja dan ir-ritorn
valur tal waitForEvent.

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Tgħaddi fil AZZJONI-każ, kostanti
iddikjarat fil-Portable Stanford

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Librerija li jindika li inti tabilħaqq
jridu jistennew għal azzjoni.

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>> Ejja kontroll li jmiss jekk getEventType,
tgħaddi fil każ, ugwali

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WINDOW_CLOSED, kostanti ieħor iddikjarat
fil-Portable Stanford

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Librerija li tindika li l-azzjoni
hija l-għeluq ta 'tieqa.

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Imbagħad ejja imorru quddiem u break out
ta 'dan loop inkella infinita.

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>> Else, ejja jiċċekkjaw jekk l-utent
tkun jiżżerżaq li slider.

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Jekk string tqabbel tal getActionCommand,
tgħaddi fil-każ, comma, kwotazzjoni unquote

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"Slide" hija egwali għal 0.

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Fi kliem ieħor, jekk l-identifikatur uniku
assoċjati mal-slider

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li ġie jiżżerżaq ugwali quote unquote
"Slide," l-identifikatur uniku

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li aħna pprovduta qabel, allura
I trid tagħmel dan li ġej.

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>> Printf "slider kien jiżżerżaq għal% i backslash
n, "jindika li nixtieq

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biex plagg fil-integrali
valur tal-slider.

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Allura comma getValue tal slider.

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>> Ejja issa jiffranka, tiġbor, run dan
programm, u slide li slider.

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Għamla slider.

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. / Slider.

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Hemm interface utent tiegħi.

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Hemm slider tiegħi, ix-xellug ta 'liema
huwa ta '0, għad-dritt tiegħu huwa

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100, tnejn minnhom tikketti.

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U kif I slide il-slider lejn ix-xellug
u d-dritt, avviż li fil tiegħi

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console tieqa I taf tara
il-valur sħiħ.

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>> Issa, jien ma neċessarjament tara kollha tal-
numri bejn 0 u 100, minħabba

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jiddependi fuq il-ħeffa li biha
I jċaqalqu l-slider, my

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programm tista 'ma avviż.

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Iżda tabilħaqq, jekk I jmexxuha għal kwalunkwe
lokalità partikolari, li l-valur

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li se print.

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