src/main/kotlin/creator/JdkComboBoxWithPreference.kt diff

← → edited src/main/kotlin/creator/JdkComboBoxWithPreference.kt

Ignore whitespaces Open in IDE

⁠ kyle wood: Fix UI freezes, SlowOperations on EDT, and write-unsafe context issues

These issues were happening in the project creator, both from loading
the initial wizard, as well as during actual project creation.

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/*
* Minecraft Development for IntelliJ
*
* https://mcdev.io/
*
* Copyright (C) 2025 minecraft-dev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, version 3.0 only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/

package com.demonwav.mcdev.creator

import com.intellij.ide.util.PropertiesComponent
import com.intellij.ide.util.projectWizard.ProjectWizardUtil
import com.intellij.ide.util.projectWizard.WizardContext
import com.intellij.ide.wizard.AbstractWizard
import com.intellij.openapi.Disposable
import com.intellij.openapi.observable.properties.ObservableMutableProperty
import com.intellij.openapi.project.Project
import com.intellij.openapi.projectRoots.JavaSdk
import com.intellij.openapi.projectRoots.JavaSdkVersion
import com.intellij.openapi.projectRoots.Sdk
import com.intellij.openapi.roots.ProjectRootManager
import com.intellij.openapi.roots.ui.configuration.JdkComboBox
import com.intellij.openapi.roots.ui.configuration.SdkListItem
import com.intellij.openapi.roots.ui.configuration.SdkListModel
import com.intellij.openapi.roots.ui.configuration.SdkListModelBuilder.ModelListener
import com.intellij.openapi.roots.ui.configuration.projectRoot.ProjectSdksModel
import com.intellij.openapi.roots.ui.configuration.validateSdk
import com.intellij.openapi.util.Condition
import com.intellij.openapi.util.Disposer
import com.intellij.ui.dsl.builder.Cell
import com.intellij.ui.dsl.builder.Row
import javax.swing.JComponent

internal class JdkPreferenceData(
var jdk: JavaSdkVersion,
val sdkPathByJdk: MutableMap<JavaSdkVersion, String>,
var ignoreChangesForPreference: Boolean,
)

class JdkComboBoxWithPreference internal constructor(
project: Project?,
private val model: ProjectSdksModel,
sdkFilter: Condition<in Sdk>?,
private val preferenceData: JdkPreferenceData,
) : JdkComboBox(project, model, null, sdkFilter, null, null, null) {
private var suggestions = emptyList<SdkListItem.SuggestedItem>()

init {
myModel.addModelListener(object : ModelListener {
override fun syncModel(model: SdkListModel) {
suggestions = model.items.filterIsInstance<SdkListItem.SuggestedItem>()
}
})
}

internal fun loadSuggestions(windowChild: JComponent, disposable: Disposable) {
myModel.detectItems(windowChild, disposable)
}

internal fun getTargetJdk(project: Project?): Sdk? {
selectedJdk?.let { return it }

return if (project != null && isProjectJdkSelected) {
ProjectRootManager.getInstance(project).projectSdk
} else {
null
}
}

fun setPreferredJdk(version: JavaSdkVersion) {
if (version == preferenceData.jdk) {
return
}

preferenceData.ignoreChangesForPreference = true
try {
preferenceData.jdk = version
reloadModel()

for (jdkVersion in version.ordinal until JavaSdkVersion.values().size) {
val jdk = JavaSdkVersion.values()[jdkVersion]

val preferredSdkPath = preferenceData.sdkPathByJdk[jdk]
if (preferredSdkPath != null) {
val sdk = model.sdks.firstOrNull { it.homePath == preferredSdkPath }
?: suggestions.firstOrNull { it.homePath == preferredSdkPath }
if (sdk != null) {
setSelectedItem(sdk)
return
}
}

val sdk = model.sdks.firstOrNull { JavaSdk.getInstance().getVersion(it) == jdk }
if (sdk != null) {
setSelectedItem(sdk)
return
}
}
} finally {
preferenceData.ignoreChangesForPreference = false
}
}
}

fun Row.jdkComboBoxWithPreference(
context: WizardContext,
sdkProperty: ObservableMutableProperty<Sdk?>,
sdkPropertyId: String,
): Cell<JdkComboBoxWithPreference> {
val sdkModel = ProjectSdksModel()

Disposer.register(context.disposable) {
sdkModel.disposeUIResources()
}

val project = context.project
sdkModel.reset(project)

val preferenceData = JdkPreferenceData(JavaSdkVersion.JDK_17, mutableMapOf(), false)

val sdkFilter = Condition<Sdk> {
val version = it.versionString?.let(JavaSdkVersion::fromVersionString)
?: return@Condition true
version >= preferenceData.jdk
}
val comboBox = JdkComboBoxWithPreference(context.project, sdkModel, sdkFilter, preferenceData)

val selectedJdkProperty = "jdk.selected.$sdkPropertyId"
val preferenceDataProperty = "jdk.preference.$sdkPropertyId"
val stateComponent = project?.let(PropertiesComponent::getInstance) ?: PropertiesComponent.getInstance()

stateComponent.getList(preferenceDataProperty)?.let { preferenceDataStrs ->
for (preferenceDataStr in preferenceDataStrs) {
val parts = preferenceDataStr.split('=', limit = 2)
val featureVersion = parts.firstOrNull()?.toIntOrNull() ?: continue
val knownJdkVersions = JavaSdkVersion.values()
if (featureVersion !in knownJdkVersions.indices) {
continue
}
val jdk = knownJdkVersions[featureVersion]
val sdk = parts.last()
preferenceData.sdkPathByJdk[jdk] = sdk
}
}

comboBox.addActionListener {
val sdk = comboBox.getTargetJdk(project)
if (sdk != null) {
stateComponent.setValue(selectedJdkProperty, sdk.name)

if (!preferenceData.ignoreChangesForPreference) {
val jdk = JavaSdk.getInstance().getVersion(sdk)
val homePath = sdk.homePath
if (jdk != null && homePath != null) {
preferenceData.sdkPathByJdk[jdk] = homePath
stateComponent.setList(
preferenceDataProperty,
preferenceData.sdkPathByJdk.map { (jdk, sdk) -> "${jdk.ordinal}=$sdk" },
)
}
}
}
sdkProperty.set(sdk)
}

val lastUsedSdk = stateComponent.getValue(selectedJdkProperty)
ProjectWizardUtil.preselectJdkForNewModule(project, lastUsedSdk, comboBox) { true }

val windowChild = context.getUserData(AbstractWizard.KEY)!!.contentPanel
comboBox.loadSuggestions(windowChild, context.disposable)

return cell(comboBox)
.validationOnApply { validateSdk(sdkProperty, sdkModel) }
.onApply { context.projectJdk = sdkProperty.get() }
}

/*
* Minecraft Development for IntelliJ
*
* https://mcdev.io/
*
* Copyright (C) 2025 minecraft-dev
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, version 3.0 only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/

package com.demonwav.mcdev.creator

import com.demonwav.mcdev.util.invokeLater
import com.intellij.ide.util.PropertiesComponent
import com.intellij.ide.util.projectWizard.ProjectWizardUtil
import com.intellij.ide.util.projectWizard.WizardContext
import com.intellij.ide.wizard.AbstractWizard
import com.intellij.openapi.Disposable
import com.intellij.openapi.observable.properties.ObservableMutableProperty
import com.intellij.openapi.project.Project
import com.intellij.openapi.projectRoots.JavaSdk
import com.intellij.openapi.projectRoots.JavaSdkVersion
import com.intellij.openapi.projectRoots.Sdk
import com.intellij.openapi.roots.ProjectRootManager
import com.intellij.openapi.roots.ui.configuration.JdkComboBox
import com.intellij.openapi.roots.ui.configuration.SdkListItem
import com.intellij.openapi.roots.ui.configuration.SdkListModel
import com.intellij.openapi.roots.ui.configuration.SdkListModelBuilder.ModelListener
import com.intellij.openapi.roots.ui.configuration.projectRoot.ProjectSdksModel
import com.intellij.openapi.roots.ui.configuration.validateSdk
import com.intellij.openapi.util.Condition
import com.intellij.openapi.util.Disposer
import com.intellij.ui.dsl.builder.Cell
import com.intellij.ui.dsl.builder.Row
import javax.swing.JComponent
import org.jetbrains.concurrency.runAsync

internal class JdkPreferenceData(
var jdk: JavaSdkVersion,
val sdkPathByJdk: MutableMap<JavaSdkVersion, String>,
var ignoreChangesForPreference: Boolean,
)

class JdkComboBoxWithPreference internal constructor(
project: Project?,
private val model: ProjectSdksModel,
sdkFilter: Condition<in Sdk>?,
private val preferenceData: JdkPreferenceData,
) : JdkComboBox(project, model, null, sdkFilter, null, null, null) {
private var suggestions = emptyList<SdkListItem.SuggestedItem>()

init {
myModel.addModelListener(object : ModelListener {
override fun syncModel(model: SdkListModel) {
suggestions = model.items.filterIsInstance<SdkListItem.SuggestedItem>()
}
})
}

internal fun loadSuggestions(windowChild: JComponent, disposable: Disposable) {
myModel.detectItems(windowChild, disposable)
}

internal fun getTargetJdk(project: Project?): Sdk? {
selectedJdk?.let { return it }

return if (project != null && isProjectJdkSelected) {
ProjectRootManager.getInstance(project).projectSdk
} else {
null
}
}

fun setPreferredJdk(version: JavaSdkVersion) {
if (version == preferenceData.jdk) {
return
}

preferenceData.ignoreChangesForPreference = true
try {
preferenceData.jdk = version
reloadModel()

for (jdkVersion in version.ordinal until JavaSdkVersion.entries.size) {
val jdk = JavaSdkVersion.entries[jdkVersion]

val preferredSdkPath = preferenceData.sdkPathByJdk[jdk]
if (preferredSdkPath != null) {
val sdk = model.sdks.firstOrNull { it.homePath == preferredSdkPath }
?: suggestions.firstOrNull { it.homePath == preferredSdkPath }
if (sdk != null) {
runAsync {
setSelectedItem(sdk)
}
return
}
}

val sdk = model.sdks.firstOrNull { JavaSdk.getInstance().getVersion(it) == jdk }
if (sdk != null) {
setSelectedItem(sdk)
return
}
}
} finally {
preferenceData.ignoreChangesForPreference = false
}
}
}

fun Row.jdkComboBoxWithPreference(
context: WizardContext,
sdkProperty: ObservableMutableProperty<Sdk?>,
sdkPropertyId: String,
): Cell<JdkComboBoxWithPreference> {
val sdkModel = ProjectSdksModel()

Disposer.register(context.disposable) {
sdkModel.disposeUIResources()
}

val project = context.project
sdkModel.reset(project)

val preferenceData = JdkPreferenceData(JavaSdkVersion.JDK_17, mutableMapOf(), false)

val sdkFilter = Condition<Sdk> {
val version = it.versionString?.let(JavaSdkVersion::fromVersionString)
?: return@Condition true
version >= preferenceData.jdk
}
val comboBox = JdkComboBoxWithPreference(context.project, sdkModel, sdkFilter, preferenceData)

val selectedJdkProperty = "jdk.selected.$sdkPropertyId"
val preferenceDataProperty = "jdk.preference.$sdkPropertyId"
val stateComponent = project?.let(PropertiesComponent::getInstance) ?: PropertiesComponent.getInstance()

stateComponent.getList(preferenceDataProperty)?.let { preferenceDataStrs ->
for (preferenceDataStr in preferenceDataStrs) {
val parts = preferenceDataStr.split('=', limit = 2)
val featureVersion = parts.firstOrNull()?.toIntOrNull() ?: continue
val knownJdkVersions = JavaSdkVersion.entries
if (featureVersion !in knownJdkVersions.indices) {
continue
}
val jdk = knownJdkVersions[featureVersion]
val sdk = parts.last()
preferenceData.sdkPathByJdk[jdk] = sdk
}
}

comboBox.addActionListener {
val sdk = comboBox.getTargetJdk(project)
if (sdk != null) {
stateComponent.setValue(selectedJdkProperty, sdk.name)

if (!preferenceData.ignoreChangesForPreference) {
val jdk = JavaSdk.getInstance().getVersion(sdk)
val homePath = sdk.homePath
if (jdk != null && homePath != null) {
preferenceData.sdkPathByJdk[jdk] = homePath
stateComponent.setList(
preferenceDataProperty,
preferenceData.sdkPathByJdk.map { (jdk, sdk) -> "${jdk.ordinal}=$sdk" },
)
}
}
}
sdkProperty.set(sdk)
}

val lastUsedSdk = stateComponent.getValue(selectedJdkProperty)
runAsync {
ProjectWizardUtil.preselectJdkForNewModule(project, lastUsedSdk, comboBox) { true }
}

val windowChild = context.getUserData(AbstractWizard.KEY)!!.contentPanel
comboBox.loadSuggestions(windowChild, context.disposable)

return cell(comboBox)
.validationOnApply { validateSdk(sdkProperty, sdkModel) }
.onApply { context.projectJdk = sdkProperty.get() }
}

/* * Minecraft Development for IntelliJ * * https://mcdev.io/ * * Copyright (C) 2025 minecraft-dev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 3.0 only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.demonwav.mcdev.creator import com.intellij.ide.util.PropertiesComponent import com.intellij.ide.util.projectWizard.ProjectWizardUtil import com.intellij.ide.util.projectWizard.WizardContext import com.intellij.ide.wizard.AbstractWizard import com.intellij.openapi.Disposable import com.intellij.openapi.observable.properties.ObservableMutableProperty import com.intellij.openapi.project.Project import com.intellij.openapi.projectRoots.JavaSdk import com.intellij.openapi.projectRoots.JavaSdkVersion import com.intellij.openapi.projectRoots.Sdk import com.intellij.openapi.roots.ProjectRootManager import com.intellij.openapi.roots.ui.configuration.JdkComboBox import com.intellij.openapi.roots.ui.configuration.SdkListItem import com.intellij.openapi.roots.ui.configuration.SdkListModel import com.intellij.openapi.roots.ui.configuration.SdkListModelBuilder.ModelListener import com.intellij.openapi.roots.ui.configuration.projectRoot.ProjectSdksModel import com.intellij.openapi.roots.ui.configuration.validateSdk import com.intellij.openapi.util.Condition import com.intellij.openapi.util.Disposer import com.intellij.ui.dsl.builder.Cell import com.intellij.ui.dsl.builder.Row import javax.swing.JComponent internal class JdkPreferenceData( var jdk: JavaSdkVersion, val sdkPathByJdk: MutableMap<JavaSdkVersion, String>, var ignoreChangesForPreference: Boolean, ) class JdkComboBoxWithPreference internal constructor( project: Project?, private val model: ProjectSdksModel, sdkFilter: Condition<in Sdk>?, private val preferenceData: JdkPreferenceData, ) : JdkComboBox(project, model, null, sdkFilter, null, null, null) { private var suggestions = emptyList<SdkListItem.SuggestedItem>() init { myModel.addModelListener(object : ModelListener { override fun syncModel(model: SdkListModel) { suggestions = model.items.filterIsInstance<SdkListItem.SuggestedItem>() } }) } internal fun loadSuggestions(windowChild: JComponent, disposable: Disposable) { myModel.detectItems(windowChild, disposable) } internal fun getTargetJdk(project: Project?): Sdk? { selectedJdk?.let { return it } return if (project != null && isProjectJdkSelected) { ProjectRootManager.getInstance(project).projectSdk } else { null } } fun setPreferredJdk(version: JavaSdkVersion) { if (version == preferenceData.jdk) { return } preferenceData.ignoreChangesForPreference = true try { preferenceData.jdk = version reloadModel() for (jdkVersion in version.ordinal until JavaSdkVersion.values().size) { val jdk = JavaSdkVersion.values()[jdkVersion] val preferredSdkPath = preferenceData.sdkPathByJdk[jdk] if (preferredSdkPath != null) { val sdk = model.sdks.firstOrNull { it.homePath == preferredSdkPath } ?: suggestions.firstOrNull { it.homePath == preferredSdkPath } if (sdk != null) { setSelectedItem(sdk) return } } val sdk = model.sdks.firstOrNull { JavaSdk.getInstance().getVersion(it) == jdk } if (sdk != null) { setSelectedItem(sdk) return } } } finally { preferenceData.ignoreChangesForPreference = false } } } fun Row.jdkComboBoxWithPreference( context: WizardContext, sdkProperty: ObservableMutableProperty<Sdk?>, sdkPropertyId: String, ): Cell<JdkComboBoxWithPreference> { val sdkModel = ProjectSdksModel() Disposer.register(context.disposable) { sdkModel.disposeUIResources() } val project = context.project sdkModel.reset(project) val preferenceData = JdkPreferenceData(JavaSdkVersion.JDK_17, mutableMapOf(), false) val sdkFilter = Condition<Sdk> { val version = it.versionString?.let(JavaSdkVersion::fromVersionString) ?: return@Condition true version >= preferenceData.jdk } val comboBox = JdkComboBoxWithPreference(context.project, sdkModel, sdkFilter, preferenceData) val selectedJdkProperty = "jdk.selected.$sdkPropertyId" val preferenceDataProperty = "jdk.preference.$sdkPropertyId" val stateComponent = project?.let(PropertiesComponent::getInstance) ?: PropertiesComponent.getInstance() stateComponent.getList(preferenceDataProperty)?.let { preferenceDataStrs -> for (preferenceDataStr in preferenceDataStrs) { val parts = preferenceDataStr.split('=', limit = 2) val featureVersion = parts.firstOrNull()?.toIntOrNull() ?: continue val knownJdkVersions = JavaSdkVersion.values() if (featureVersion !in knownJdkVersions.indices) { continue } val jdk = knownJdkVersions[featureVersion] val sdk = parts.last() preferenceData.sdkPathByJdk[jdk] = sdk } } comboBox.addActionListener { val sdk = comboBox.getTargetJdk(project) if (sdk != null) { stateComponent.setValue(selectedJdkProperty, sdk.name) if (!preferenceData.ignoreChangesForPreference) { val jdk = JavaSdk.getInstance().getVersion(sdk) val homePath = sdk.homePath if (jdk != null && homePath != null) { preferenceData.sdkPathByJdk[jdk] = homePath stateComponent.setList( preferenceDataProperty, preferenceData.sdkPathByJdk.map { (jdk, sdk) -> "${jdk.ordinal}=$sdk" }, ) } } } sdkProperty.set(sdk) } val lastUsedSdk = stateComponent.getValue(selectedJdkProperty) ProjectWizardUtil.preselectJdkForNewModule(project, lastUsedSdk, comboBox) { true } val windowChild = context.getUserData(AbstractWizard.KEY)!!.contentPanel comboBox.loadSuggestions(windowChild, context.disposable) return cell(comboBox) .validationOnApply { validateSdk(sdkProperty, sdkModel) } .onApply { context.projectJdk = sdkProperty.get() } } /* * Minecraft Development for IntelliJ * * https://mcdev.io/ * * Copyright (C) 2025 minecraft-dev * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published * by the Free Software Foundation, version 3.0 only. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see <https://www.gnu.org/licenses/>. */ package com.demonwav.mcdev.creator import com.demonwav.mcdev.util.invokeLater import com.intellij.ide.util.PropertiesComponent import com.intellij.ide.util.projectWizard.ProjectWizardUtil import com.intellij.ide.util.projectWizard.WizardContext import com.intellij.ide.wizard.AbstractWizard import com.intellij.openapi.Disposable import com.intellij.openapi.observable.properties.ObservableMutableProperty import com.intellij.openapi.project.Project import com.intellij.openapi.projectRoots.JavaSdk import com.intellij.openapi.projectRoots.JavaSdkVersion import com.intellij.openapi.projectRoots.Sdk import com.intellij.openapi.roots.ProjectRootManager import com.intellij.openapi.roots.ui.configuration.JdkComboBox import com.intellij.openapi.roots.ui.configuration.SdkListItem import com.intellij.openapi.roots.ui.configuration.SdkListModel import com.intellij.openapi.roots.ui.configuration.SdkListModelBuilder.ModelListener import com.intellij.openapi.roots.ui.configuration.projectRoot.ProjectSdksModel import com.intellij.openapi.roots.ui.configuration.validateSdk import com.intellij.openapi.util.Condition import com.intellij.openapi.util.Disposer import com.intellij.ui.dsl.builder.Cell import com.intellij.ui.dsl.builder.Row import javax.swing.JComponent import org.jetbrains.concurrency.runAsync internal class JdkPreferenceData( var jdk: JavaSdkVersion, val sdkPathByJdk: MutableMap<JavaSdkVersion, String>, var ignoreChangesForPreference: Boolean, ) class JdkComboBoxWithPreference internal constructor( project: Project?, private val model: ProjectSdksModel, sdkFilter: Condition<in Sdk>?, private val preferenceData: JdkPreferenceData, ) : JdkComboBox(project, model, null, sdkFilter, null, null, null) { private var suggestions = emptyList<SdkListItem.SuggestedItem>() init { myModel.addModelListener(object : ModelListener { override fun syncModel(model: SdkListModel) { suggestions = model.items.filterIsInstance<SdkListItem.SuggestedItem>() } }) } internal fun loadSuggestions(windowChild: JComponent, disposable: Disposable) { myModel.detectItems(windowChild, disposable) } internal fun getTargetJdk(project: Project?): Sdk? { selectedJdk?.let { return it } return if (project != null && isProjectJdkSelected) { ProjectRootManager.getInstance(project).projectSdk } else { null } } fun setPreferredJdk(version: JavaSdkVersion) { if (version == preferenceData.jdk) { return } preferenceData.ignoreChangesForPreference = true try { preferenceData.jdk = version reloadModel() for (jdkVersion in version.ordinal until JavaSdkVersion.entries.size) { val jdk = JavaSdkVersion.entries[jdkVersion] val preferredSdkPath = preferenceData.sdkPathByJdk[jdk] if (preferredSdkPath != null) { val sdk = model.sdks.firstOrNull { it.homePath == preferredSdkPath } ?: suggestions.firstOrNull { it.homePath == preferredSdkPath } if (sdk != null) { runAsync { setSelectedItem(sdk) } return } } val sdk = model.sdks.firstOrNull { JavaSdk.getInstance().getVersion(it) == jdk } if (sdk != null) { setSelectedItem(sdk) return } } } finally { preferenceData.ignoreChangesForPreference = false } } } fun Row.jdkComboBoxWithPreference( context: WizardContext, sdkProperty: ObservableMutableProperty<Sdk?>, sdkPropertyId: String, ): Cell<JdkComboBoxWithPreference> { val sdkModel = ProjectSdksModel() Disposer.register(context.disposable) { sdkModel.disposeUIResources() } val project = context.project sdkModel.reset(project) val preferenceData = JdkPreferenceData(JavaSdkVersion.JDK_17, mutableMapOf(), false) val sdkFilter = Condition<Sdk> { val version = it.versionString?.let(JavaSdkVersion::fromVersionString) ?: return@Condition true version >= preferenceData.jdk } val comboBox = JdkComboBoxWithPreference(context.project, sdkModel, sdkFilter, preferenceData) val selectedJdkProperty = "jdk.selected.$sdkPropertyId" val preferenceDataProperty = "jdk.preference.$sdkPropertyId" val stateComponent = project?.let(PropertiesComponent::getInstance) ?: PropertiesComponent.getInstance() stateComponent.getList(preferenceDataProperty)?.let { preferenceDataStrs -> for (preferenceDataStr in preferenceDataStrs) { val parts = preferenceDataStr.split('=', limit = 2) val featureVersion = parts.firstOrNull()?.toIntOrNull() ?: continue val knownJdkVersions = JavaSdkVersion.entries if (featureVersion !in knownJdkVersions.indices) { continue } val jdk = knownJdkVersions[featureVersion] val sdk = parts.last() preferenceData.sdkPathByJdk[jdk] = sdk } } comboBox.addActionListener { val sdk = comboBox.getTargetJdk(project) if (sdk != null) { stateComponent.setValue(selectedJdkProperty, sdk.name) if (!preferenceData.ignoreChangesForPreference) { val jdk = JavaSdk.getInstance().getVersion(sdk) val homePath = sdk.homePath if (jdk != null && homePath != null) { preferenceData.sdkPathByJdk[jdk] = homePath stateComponent.setList( preferenceDataProperty, preferenceData.sdkPathByJdk.map { (jdk, sdk) -> "${jdk.ordinal}=$sdk" }, ) } } } sdkProperty.set(sdk) } val lastUsedSdk = stateComponent.getValue(selectedJdkProperty) runAsync { ProjectWizardUtil.preselectJdkForNewModule(project, lastUsedSdk, comboBox) { true } } val windowChild = context.getUserData(AbstractWizard.KEY)!!.contentPanel comboBox.loadSuggestions(windowChild, context.disposable) return cell(comboBox) .validationOnApply { validateSdk(sdkProperty, sdkModel) } .onApply { context.projectJdk = sdkProperty.get() } }

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