EBIadvance2V1.ppt

honeywellebi300trainingdisplay serverscripting thiscourseprovidesanoverviewofthefollowingtopics scriptingdifferencesbetweenhmiwebanddspdisplaysunderstandingdisplayscriptingexampleserverscriptingbasic displayscripting dspdisplayscriptinghmiwebdisplayscripting scriptingdifferencesbetweenhmiwebanddspdisplays becausehmiwebanddspdisplaysusedifferentobjectmodels therewillbesubstantialdifferencesbetweenahmiwebscriptandafunctionally identicaldspscript noinherentobjectindspscripts youdonotneedtospecifytheobjectnameinascriptifthescriptisattachedtothatobject thefollowingscriptthereforemovestheobject rect1 totheleft subrect1 onclickleft left 10endsubinhmiwebscripts allobjectsmustbeidentified usingeitherofthefollowingtechniques explicitlyidentifytheobject rect1 left rect1 pixelleft 10usevbscript s me keyword thejscriptequivalentisthe this keyword me left me left 10usetheeventobjectanditssrcelementproperty window event srcelement pixelleft window event srcelement pixelleft 10noapplicationobjectthereisnoapplicationobjectforhmiwebscripts itsnearestequivalentiswindow external indspdisplays theapplicationobjectrepresentsstationitself aswellasthemenu toolbar messagezoneandcommandzone tocallupadisplayinahmiwebscript youwouldusethis window external currentpage display1 tocallupadisplayinadspscript youwouldusethis application currentpage display1 nostationscriptsbecausethereisnoapplicationobjectinhmiwebscripts seenoapplicationobject youcannotwritescriptsforstation nopage leveldictionaryobjectdspscriptshaveadictionaryobjectonthedisplay hmiwebscripts however onlyhaveoneattheapplicationlevel whichyouaccessviawindow external differentobjecthierarchydspscriptscannavigatetheobjecthierarchyviatheobjectscollection hmiwebscriptscanusearangeofcollections themostusefulbeingallandchildren andpossiblyalsotags theallcollectionallowsyoutoiteratethroughalltheelementsofadisplay whilethechildrencollectionallowsyoutoiteratethroughthechildrenofanobject suchasagrouporadiv thetagsmethodreturnsacollectionofallobjectsofagiventag whichcanbeusedtoperformanoperationonallobjectsofasingletype useofthestyleobjectdspscriptsaccessanobject spropertiesdirectly forexample object1 left 100hmiwebscriptsaccessthepropertiesofsometypesofobjectthroughthestyleobject object1 style pixelleft 100thestyleobjecthasmanyproperties andgovernsposition layout suchasmargins visibilityandfontattributesforhtmlelements confirmationofchanges clickswithdspscriptsitispossibletousethecancelclickandcanceldoubleclickmethodstocancelanevent forexample thescriptcanchecktheoperator ssecuritylevelbeforepassingtheeventtotheserver withhmiwebscriptsyoucanusethecancelchangemethodandcanceleventmethodondynamicobjects objectsthatarealinkedtothedatabase activexscriptinginstation whatdoesactivexscriptinginebidisplaysmean usingvbscript awiderangeofpowerfulapplicationscanbecreatedattachvbscriptcodetodisplayelementswithinstationsuchas attachcodetoapage acombobox arectangleetccodeisactivatedonyourchoiceofeventsuchas onmouseenter onchangeofvalue onmouseclicketcthescripteditorisavailablethroughdisplaybuilder whatdoesactivexscriptinglooklike objectdetails pagedetails scripteditor menu activexscripting whywouldiuseactivexscripting scriptsareusedtoenhanceebidisplaysusetoprovidedisplayanimationsuchasobjectsmovingonthescreen doorscanopenandclose carsandpeoplecanmoveobjectsappearingordisappearingbasedoncertainconditions showonlywhatiscurrentlyrelevantpopupdialogboxesforinformationandconfirmationmessagespoppedupinthemessagezonenote scriptsonlyhaveanindirectlinktotheebidatabasesoarenotgenerallyusedforebidatamanipulation examplescripts popupdialogboxforoperatorconfirmationofamanualcontrol 判断条件 启动ontimer事件 清除这个object的ontimer事件 触发程序运行的事件 如onchange onclick等 变换风机的shape的图片 跳过停止图片 pointstonote rememberthefollowing scriptingprovidesverypowerfulfunctionalitybutrequiresgoodprogrammingskillstobeusedeffectivelyscriptingisdesignedfordisplayanimationandisnotoptimizedforothertypesofapplicationscheckwithhscifyouhaveanyquestionsaboutwhatscriptingwillallowyoutoachieve understandingscripting application appwindow dictionary page displayobject 1 displayobject 2 object understandingobjectsproperties objectscharacteristicse g fillcolormethods functionorcommande g redrawevents actionsapplicabletotheobjecte g onclick examplesofobjectsandproperties applicationobjectexampleproperties alarmzonepointid currentpage currentpointid operatorid pagebackgroundcolorappwindowobjectexampleproperties height left title top width windowstatedictionaryobjectexampleproperties count application parentdisplayobjectexampleproperties fillcolor height left linecolor value visible width typeseedisplaybuildermanualpage108 events scriptsareeventdriventheyneedaneventtooccurinordertobeactivatedeventnamesareprefixedwith on e g onclickeventhandlersarecalledbeforeeventsareprocessedsothatthescriptcancanceltheeventifnecessarycommoneventsonclick activatedwhenamouseisclickedonceontheobjectonpageload activatedwhenanewdisplayisloadedonchange activatedwhenauserchangesthevalueofanobject generalscriptinginformation referencingobjectsifthescriptisattachedtotheobject thenyoudon tneedtoreferenceitbynamee g fillcolor vbredifyouwishtochangethepropertyofanotherobjectfromthisscript thenyouneedtorefertoitsname e g rectangle1 fillcolor vbredifreferencingadisplayelementwithagroupifrectangle1isingroup1thengroup1 objects item rectangle1 fillcolor vbredorreferencebynumbergroup1 objects item 1 fillcolor vbred generalscriptinginformation visibilityofscriptsanindividualvariableisonlyvisiblewithinitsownscriptifyouneedvariablesvisiblethroughoutthepage thenyoudefinetheminthegeneralscriptattachedtothepageobjectthedictionaryobjectallowsyoutocreatevariablesvisibleacrossmanypagesandtheapplicationobjectdebuggingscriptsstartstationindebugmodebyaddingtheparameter debugscripttothestartupcommandlinee g station exe debugscriptthiswillinvokeadialogboxtoletyoustopscriptsmanually generalscriptinginformation scriptsarewritteninvbscriptwhichisastandardprogramminglanguageformoreinformationonvbscriptsee timers usedtomoveobjectse g createatimerandthenusetheontimereventtomoveadisplayelementashortdistancedonotusetimerintervalslessthan100msthetimerneedstobeattachedtotheobjectwhichwillbeusingtheontimerevente g subcircle3 onload createtimer 1 250 endsubsubcircle3 ontimer circle3 left circle3 left 100endsubdon tforgettokillthetimerwhenyouhavefinishedbyusingkilltimer examples messagestotheoperatorexample1 popupamessageboxthisusesthevbfunctionmsgboxmsgbox prompt buttons title helpfile context subrect3 onclick popupamessageboxmsgbox hereisamessage vbokonly messagebox endsub examples example2 messagetooperatorwithachoicesubrect5 ondoubleclick if rect5 fillcolor vbwhite thenmessage changeboxcolourtoblue ifmsgbox message vbyesno colourchange vbyesthenrect5 fillcolor vbblueendifelseif rect5 fillcolor vbblue thenmessage changeboxcolourtowhite ifmsgbox message vbyesno colourchange vbyesthenrect5 fillcolor vbwhiteendifendifendsub examples example3 usingthemessagezonesubrect6 onmouseenter application messagezonetext thisisamessageinthemessagezone endsubandclearingthemessagezonesubrect6 onmouseleave application messagezonetext endsub examples comboboxchoice onloadeventsubcombobox1 onload createacomboboxwhichisnotlinkedtoadatabasepointcombobox1 addlistitem on 0combobox1 addlistitem off 1endsubonchangeeventsubcombobox1 onchange vnewvalue ifvnewvalue on thentextmessage visible trueelsetextmessage visible falseendifendsub example movingobjects variabledeclarationsinthegeneralscript variabledeclarations forthegatedimgoingdowndimtoppos fortheconveyorbeltdimgoingrightdimrightsidedimleftsidetwoobjects realbox1andinvisiblebox2subbox1 onload x createtimer 1 100 goingright truerightside box2 leftleftside leftendsub example movingobjects ontimereventsubbox1 ontimer timerid ifgoingright truethenifleftleftsidethenleft left speed valueelsegoingright trueendifendifendsub exercises createatestdisplayincluding 1 aboxwhich whenclickedon amessageboxpopsupwiththemessage thisisabox 2 atextentryfieldwhichcheckstoseethattherangeisbetween20and303 acirclewhich whendoubleclickedon popsamessageintothemessagezonesaying thisisacircle don tforgettoclearthemessagetoo 4 createaboxwhichmovesacrossthescreentotherightsteadily 5 createadisplaywhichlinkstoaworddocumentthatyouhaveonyourmachine6 createadisplaywhichlinkstothed ebiserverscripting agenda whatisserverscripting positioningkeyfeaturesobjectmodeloverviewconfiguringandrunningserverscriptinginebiexercisescodingtips whatis server scripting whatisscripting defineditas runningashortpieceofprogramcodethatextendstheexistingfunctionalityasprovidedbyanapplicationwhatisserverscripting afacilitytoextendserverfunctionalitythatiseasytouseintegratedwithplantscapeengineeringtoolsprovidesequivalentofdisplayscriptingfunctionalityontheserverscriptscaninteractwithserverobjectssuchaspointstargetedatuserswhohavesomevbskillse g projectengineersprovidesnewinterfaceforapplicationdevelopersanautomationserverinterfacehasbeenaddedtotheebiserverbringsobjectorientedprogramming oop totheserver positioning scripting informationprocessingdatahandoffderivedcalculationsinitiateactionsonservereventsaneasierwaytoimplementcustomactionalgosoptimisedforrelativelyshort 30lines scriptsnotintendedforimplementingcontrolstrategiesdotheseinthecontroller applicationsthatarecomputationallyintensiveorrequireextensivefilehandlingusec orvisualbasicfortheseactivitiesrequiringuserintervention keyfeatures easeofuseeditthescriptsforanobjectintheplacethatconfigurationfortheobjectisdone e g reportsfromthereportconfigurationdisplays doesn tblockpointprocessingscriptsarefiredasynchronouslytotheevents i e notintendedforpvalgolikebehaviour doesn timpactimportantserverfunctionslowprioritysubsystemrobustnesssafelyhandlespoorlywrittenscripts objectmodeloverview server points parameters areas reports eventinfo overview serverobject eventsontimeronstartuponshutdownondaystartonshiftstartonmessageonmessageacknowledgepropertiesstatus get paramvalue get put methodscreatetimerkilltimerrequesttaskgeneratealarmgeneratemessagecreatealarmdetails overview pointobject eventsontimeronalarmonnormalonacknowledgepropertiesparamvalue get put methodscreatetimerkilltimercommitvalue overview paramobject eventsonchangeonoperchangepropertiesvalue get put quality get pointname get paramvalue get put methodscommitvalue overview reportobject eventsontimeroncompletionpropertiestype get numb