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JIMRI/help/en/html/web/images/webservletsexample.puml
T
2026-06-17 14:00:51 +02:00

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@startuml
box /jmri/
participant Sensor
end box
box /jmri/jmrit/display/panels/xEditor/ #LightYellow
participant Switchboard
participant BeanSwitch
participant SwitchboardXml
participant BeanSwitchXml
end box
box /jmri/web/servlet/panel/
participant xPanelServlet.java
end box
box "Web Server /web/" #LightBlue
participant panel.js
participant JSONSocketSrv
participant jQuery
participant panel.css
end box
box "Browser" #White
participant browser
participant div
participant Mouse
end box
actor User
activate Sensor
activate Switchboard
activate BeanSwitch
activate panel.js
activate JSONSocketSrv
activate browser
== A. Initial Web Panel Display ==
User -> Mouse: click
Mouse -> browser: mouseUp()
browser -> JSONSocketSrv: "Show Panel"
JSONSocketSrv -> panel.js: getPanel()
panel.js -> xPanelServlet.java: requestPanelXML
activate xPanelServlet.java
xPanelServlet.java -> SwitchboardXml: xEditor#store()
activate SwitchboardXml
SwitchboardXml -> Switchboard: editor.getBgColor()
Switchboard -> SwitchboardXml: BgColor="Red"
SwitchboardXml -> panel.js: XmlDataStream
deactivate SwitchboardXml
xPanelServlet.java -> BeanSwitchXml: BeanSwitch#store()
deactivate xPanelServlet.java
activate BeanSwitchXml
BeanSwitchXml -> BeanSwitch: bs.getLabel()
BeanSwitch -> BeanSwitchXml: label="IS4+"
BeanSwitchXml -> panel.js: XmlDataStream
deactivate BeanSwitchXml
panel.js -> panel.js: processPanelXml
panel.js -> jQuery: $("#activity-alert")...
activate jQuery
jQuery -> browser: <div class=hide>
deactivate jQuery
panel.js -> browser: HTML5 <panel>
browser -> panel.css: css4?
activate panel.css
panel.css -> browser: css4
deactivate panel.css
browser -> div: ID#4,Green
activate div #00bb00
div -> User: Hi, I'm here
== B. Handling User Feedback ==
User -> Mouse: click
Mouse -> browser: mousUp(x,y)
browser -> jQuery: clicked(divID4)
activate jQuery
jQuery -> panel.js: handleClick()
deactivate jQuery
panel.js -> panel.js: sendElementChange($4)
panel.js -> JSONSocketSrv: jmri.setObject($4)
JSONSocketSrv -> Sensor: setState($4, 8)
Sensor -> BeanSwitch: newState=Inactive
BeanSwitch -> JSONSocketSrv: IS4=Inactive
JSONSocketSrv -> panel.js: handleChange(IS4)
panel.js -> panel.js: updateWidgets($4, 8)
panel.js -> jQuery: div$4=8
activate jQuery
jQuery -> browser: div$4:Red
deactivate jQuery
browser -> panel.css: css8?
activate panel.css
panel.css -> browser: css8
deactivate panel.css
deactivate div
browser -> div: ID#4,Green
activate div #dd0000
div -> user: I'm Red
@enduml
this file is input for PlantUML to produce PNG images for help/en/html/web Help
Copyright JMRI Egbert Broerse 09-2020