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// Copyright 2000-2022 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
package com.intellij.openapi.ui.validation
import com.intellij.openapi.util.NlsContexts
import com.intellij.openapi.ui.ValidationInfo
import java.io.File
import java.nio.file.Path
/**
* Created validation with parameter that produces error if [getMessage] returns non-null value.
*/
fun <T> validationErrorFor(getMessage: (T) -> @NlsContexts.DialogMessage String?) =
DialogValidation.WithParameter<() -> T> {
DialogValidation {
val message = getMessage(it())
if (message != null) {
ValidationInfo(message)
}
else {
null
}
}
}
/**
* Created validation with two parameters that produces error if [getMessage] returns non-null value.
*/
fun <T1, T2> validationErrorFor(getMessage: (T1, T2) -> @NlsContexts.DialogMessage String?) =
validationErrorWithTwoParametersFor(getMessage) { validationErrorFor(it) }
/**
* Created validation with [Path] parameter that produces error if [getMessage] returns non-null value.
*/
fun validationPathErrorFor(getMessage: (Path) -> @NlsContexts.DialogMessage String?) =
validationErrorFor<String> { getMessage(Path.of(it)) }
/**
* Created validation with custom and [Path] parameters that produces error if [getMessage] returns non-null value.
*/
fun <T> validationPathErrorFor(getMessage: (T, Path) -> @NlsContexts.DialogMessage String?) =
validationErrorWithTwoParametersFor(getMessage) { validationPathErrorFor(it) }
/**
* Created validation with [File] parameter that produces error if [getMessage] returns non-null value.
*/
fun validationFileErrorFor(getMessage: (File) -> @NlsContexts.DialogMessage String?) =
validationPathErrorFor { getMessage(it.toFile()) }
/**
* Created validation with custom and [File] parameters that produces error if [getMessage] returns non-null value.
*/
fun <T> validationFileErrorFor(getMessage: (T, File) -> @NlsContexts.DialogMessage String?) =
validationErrorWithTwoParametersFor(getMessage) { validationFileErrorFor(it) }
/**
* Created validation with parameter that produces error if [isNotValid] is true.
*/
fun <T> validationErrorIf(message: @NlsContexts.DialogMessage String, isNotValid: (T) -> Boolean) =
validationErrorFor(createMessageGetter(message, isNotValid))
/**
* Created validation with two parameters that produces error if [isNotValid] is true.
*/
fun <T1, T2> validationErrorIf(message: @NlsContexts.DialogMessage String, isNotValid: (T1, T2) -> Boolean) =
validationErrorFor(createMessageGetter(message, isNotValid))
/**
* Create validation with two parameters from [validationBuilder] with one parameter.
* Note: appended parameter is first.
*/
private fun <T1, T2, R> validationErrorWithTwoParametersFor(
getMessage: (T1, T2) -> @NlsContexts.DialogMessage String?,
validationBuilder: ((T2) -> @NlsContexts.DialogMessage String?) -> DialogValidation.WithParameter<R>
) = DialogValidation.WithTwoParameters<T1, R> { parameter ->
validationBuilder { getMessage(parameter, it) }
}
/**
* Wraps [message] with function which return this [message] if [isNotValid] returns true.
* [message] is a message that should be shown when component data is invalid.
* @see validationErrorFor
*/
private fun <T> createMessageGetter(
message: @NlsContexts.DialogMessage String,
isNotValid: (T) -> Boolean
) = { it: T -> if (isNotValid(it)) message else null }
/**
* Wraps [message] with function which return this [message] if [isNotValid] returns true.
* [message] is a message that should be shown when component data is invalid.
* @see validationErrorFor
*/
private fun <T1, T2> createMessageGetter(
message: @NlsContexts.DialogMessage String,
isNotValid: (T1, T2) -> Boolean
) = { p1: T1, p2: T2 -> if (isNotValid(p1, p2)) message else null }
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