interface within interface

Question

when I click on reject it should pop up the below screen (comments) and hide the above form with buttons (cancel/approve/reject)

and when I click on cancel for this 2nd interface , I need to get 1st interface again with 3 buttons hiding the comment form(above form)

Can someone help me with the code please

shoaib.akhtar · Accepted Answer

Try using this code, I believe this will suites your use case with showWhen property, 
 PS: you can use if else for the same scenario, just stack the sectionLayouts (Interface1, Interface2) and check or any one condition for pressed button. 
 
 a!localVariables(
 /*pressed button variable, default value have to be there for showing 1st interface*/
 local!pressedButton: "cancel",
 a!sectionLayout(
 contents: {
 /*Interface 1*/
 a!sectionLayout(
 contents: {
 a!boxLayout(
 label: "Some form",
 contents: {
 a!textField(label: "Comments", readOnly: true),
 a!textField(label: "Start Date", readOnly: true),
 a!textField(label: "End Date", readOnly: true),
 a!textField(label: "Emial", readOnly: true),
 
 }
 ),
 a!buttonLayout(
 primaryButtons: {
 a!buttonWidget(label: "approve"),
 a!buttonWidget(
 label: "reject",
 value: "reject",
 saveInto: local!pressedButton
 )
 },
 secondaryButtons: { a!buttonWidget(label: "cancel") }
 )
 },
 showWhen: local!pressedButton = "cancel"
 ),
 /*Interface 2*/
 a!sectionLayout(
 contents: {
 a!boxLayout(
 label: "Some form",
 contents: {
 a!paragraphField(label: "Comments", readOnly: true)
 }
 ),
 a!buttonLayout(
 primaryButtons: {
 a!buttonWidget(
 label: "cancel",
 value: "cancel",
 saveInto: local!pressedButton
 ),
 a!buttonWidget(label: "submit")
 }
 )
 },
 showWhen: local!pressedButton = "reject"
 )
 }
 )
)

Dave Lewis · Answer

Perhaps the simplest way is to create the "popup" as you call it as a separate component within it's own Interface object, then call it from the larger interface with a showWhen variable passed to it, or inside an if() function like if(local!commenting, rule!APP_commentInterface([parameters]), {}). 
 You'll probably need to explain the errors that are happening when you try showWhen for us to help you further from there.

interface within interface

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