Wizard: add project preview

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/ui/firstStep/FirstWizardStepComponent.kt

@@ -1,15 +1,31 @@
 package org.jetbrains.kotlin.tools.projectWizard.wizard.ui.firstStep
 
+import com.intellij.ui.JBColor
+import com.intellij.util.ui.JBUI
+import org.jetbrains.kotlin.tools.projectWizard.core.Context
+import org.jetbrains.kotlin.tools.projectWizard.core.entity.settings.SettingReference
 import org.jetbrains.kotlin.tools.projectWizard.core.entity.settings.reference
 import org.jetbrains.kotlin.tools.projectWizard.plugins.StructurePlugin
+import org.jetbrains.kotlin.tools.projectWizard.plugins.projectTemplates.ProjectTemplatesPlugin
 import org.jetbrains.kotlin.tools.projectWizard.wizard.IdeWizard
-import org.jetbrains.kotlin.tools.projectWizard.wizard.ui.WizardStepComponent
+import org.jetbrains.kotlin.tools.projectWizard.wizard.ui.*
+import org.jetbrains.kotlin.tools.projectWizard.wizard.ui.secondStep.modulesEditor.ModulesEditorComponent
 import org.jetbrains.kotlin.tools.projectWizard.wizard.ui.setting.SettingsList
 import org.jetbrains.kotlin.tools.projectWizard.wizard.ui.setting.createSettingComponent
 import javax.swing.JComponent
 
 class FirstWizardStepComponent(wizard: IdeWizard) : WizardStepComponent(wizard.context) {
     private val context = wizard.context
+    private val projectSettingsComponent = ProjectSettingsComponent(context).asSubComponent()
+    private val projectPreviewComponent = ProjectPreviewComponent(context).asSubComponent()
+
+    override val component: JComponent = borderPanel {
+        addToCenter(projectSettingsComponent.component)
+        addToRight(projectPreviewComponent.component)
+    }
+}
+
+class ProjectSettingsComponent(context: Context) : DynamicComponent(context) {
     private val projectTemplateComponent = ProjectTemplateSettingComponent(context).asSubComponent()
     private val buildSystemSetting = BuildSystemTypeSettingComponent(context).asSubComponent()
 
@@ -20,8 +36,35 @@ class FirstWizardStepComponent(wizard: IdeWizard) : WizardStepComponent(wizard.c
             projectTemplateComponent,
             buildSystemSetting
         ),
-        wizard.context
+        context
     ).asSubComponent()
 
-    override val component: JComponent = nameAndLocationComponent.component
+    override val component: JComponent = nameAndLocationComponent.component.apply {
+        border = JBUI.Borders.empty(10)
+    }
 }
+
+
+class ProjectPreviewComponent(context: Context) : DynamicComponent(context) {
+    private val modulesEditorComponent = ModulesEditorComponent(
+        context,
+        null,
+        needBorder = false,
+        editable = false,
+        oneEntrySelected = {},
+        selectSettingWithError = {}
+    ).asSubComponent()
+
+    override val component: JComponent = borderPanel {
+        border = JBUI.Borders.empty(10)
+        addToTop(label("Preview", bold = true).addBorder(JBUI.Borders.emptyBottom(5)))
+        addToCenter(modulesEditorComponent.component)
+    }.addBorder(JBUI.Borders.customLine(JBColor.border(), 0, /*left*/1, 0, 0))
+
+    override fun onValueUpdated(reference: SettingReference<*, *>?) {
+        super.onValueUpdated(reference)
+        if (reference == ProjectTemplatesPlugin::template.reference) {
+            modulesEditorComponent.updateModel()
+        }
+    }
+}

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/ui/firstStep/ProjectTemplateSettingComponent.kt

@@ -37,7 +37,7 @@ class ProjectTemplateSettingComponent(
     override val component: JComponent = panel {
         add(list, BorderLayout.CENTER)
         add(
-            templateDescriptionComponent.component.withBorder(JBUI.Borders.emptyTop(5)),
+            templateDescriptionComponent.component.addBorder(JBUI.Borders.emptyTop(5)),
             BorderLayout.SOUTH
         )
     }

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/ui/secondStep/SecondStepWizardComponent.kt

@@ -43,8 +43,10 @@ class ModulesEditorSubStep(
     private val moduleSettingComponent = ModulesEditorComponent(
         context,
         uiEditorUsagesStats,
-        onNodeSelected,
-        selectSettingWithError
+        needBorder = true,
+        editable = true,
+        oneEntrySelected = onNodeSelected,
+        selectSettingWithError = selectSettingWithError
     ).asSubComponent()
 
     override fun buildContent(): JComponent = panel {

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/ui/secondStep/modulesEditor/ModulesEditorComponent.kt

@@ -17,10 +17,11 @@ import java.awt.BorderLayout
 import javax.swing.BorderFactory
 import javax.swing.JComponent
 
-
 class ModulesEditorComponent(
     context: Context,
-    uiEditorUsagesStats: UiEditorUsageStats,
+    uiEditorUsagesStats: UiEditorUsageStats?,
+    needBorder: Boolean,
+    editable: Boolean,
     oneEntrySelected: (data: DisplayableSettingItem?) -> Unit,
     selectSettingWithError: (ValidationResult.ValidationError) -> Unit
 ) : SettingComponent<List<Module>, ListSettingType<Module>>(KotlinPlugin::modules.reference, context) {
@@ -45,23 +46,29 @@ class ModulesEditorComponent(
 
     override fun onInit() {
         super.onInit()
+        updateModel()
+    }
+
+    fun updateModel() {
         model.update()
     }
 
     private val moduleCreator = NewModuleCreator()
 
-    private val toolbarDecorator = ModulesEditorToolbarDecorator(
+    private val toolbarDecorator = if (editable) ModulesEditorToolbarDecorator(
         tree = tree,
         moduleCreator = moduleCreator,
         model = model,
         getModules = { value ?: emptyList() },
         isMultiplatformProject = { KotlinPlugin::projectKind.value != ProjectKind.Singleplatform }
-    )
+    ) else null
 
     override val component: JComponent by lazy(LazyThreadSafetyMode.NONE) {
         panel {
-            border = BorderFactory.createLineBorder(JBColor.border())
-            add(toolbarDecorator.createToolPanel(), BorderLayout.CENTER)
+            if (needBorder) {
+                border = BorderFactory.createLineBorder(JBColor.border())
+            }
+            add(if (editable) toolbarDecorator!!.createToolPanel() else tree, BorderLayout.CENTER)
             add(validationIndicator, BorderLayout.SOUTH)
         }
     }

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/ui/secondStep/modulesEditor/TargetsModel.kt

@@ -13,7 +13,7 @@ class TargetsModel(
     private val tree: ModulesEditorTree,
     private val value: KMutableProperty0<List<Module>?>,
     private val context: Context,
-    private val uiEditorUsagesStats: UiEditorUsageStats
+    private val uiEditorUsagesStats: UiEditorUsageStats?
 ) {
     private val root get() = tree.model.root as DefaultMutableTreeNode
 
@@ -63,7 +63,7 @@ class TargetsModel(
     }
 
     fun add(module: Module) {
-        uiEditorUsagesStats.modulesCreated++
+        uiEditorUsagesStats?.modulesCreated?.inc()
         addToTheTree(module, modifyValue = true, parent = tree.selectedNode ?: root)
         context.writeSettings {
             module.apply { initDefaultValuesForSettings() }
@@ -80,7 +80,7 @@ class TargetsModel(
 
     fun removeSelected() {
         val selectedNode = tree.selectedNode?.takeIf { it.userObject is Module } ?: return
-        uiEditorUsagesStats.modulesRemoved++
+        uiEditorUsagesStats?.modulesRemoved?.inc()
         when (val parent = selectedNode.parent.safeAs<DefaultMutableTreeNode>()?.userObject) {
             ModulesEditorTree.PROJECT_USER_OBJECT -> {
                 val index = selectedNode.parent.getIndex(selectedNode)

idea/idea-new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/wizard/ui/ui.kt

@@ -12,6 +12,7 @@ import com.intellij.ui.*
 import com.intellij.ui.components.JBLabel
 import com.intellij.ui.components.JBTextField
 import com.intellij.util.ui.UIUtil
+import com.intellij.util.ui.components.BorderLayoutPanel
 import org.jetbrains.kotlin.idea.KotlinIcons
 import org.jetbrains.kotlin.tools.projectWizard.core.Failure
 import org.jetbrains.kotlin.tools.projectWizard.moduleConfigurators.ModuleConfigurator
@@ -40,6 +41,9 @@ internal inline fun label(text: String, bold: Boolean = false, init: JBLabel.()
 
 inline fun panel(layout: LayoutManager = BorderLayout(), init: JPanel.() -> Unit = {}) = JPanel(layout).apply(init)
 
+inline fun borderPanel(init: BorderLayoutPanel.() -> Unit = {}) = BorderLayoutPanel().apply(init)
+
+
 fun textField(defaultValue: String?, onUpdated: (value: String) -> Unit) =
     JBTextField(defaultValue)
         .withOnUpdatedListener(onUpdated)
@@ -172,7 +176,7 @@ fun <C : JComponent> C.bordered(
     )
 }
 
-fun <C : JComponent> C.withBorder(border: Border): C = apply {
+fun <C : JComponent> C.addBorder(border: Border): C = apply {
     this.border = BorderFactory.createCompoundBorder(border, this.border)
 }
 

libraries/tools/new-project-wizard/src/org/jetbrains/kotlin/tools/projectWizard/plugins/buildSystem/BuildSystemPlugin.kt

@@ -1,7 +1,6 @@
 package org.jetbrains.kotlin.tools.projectWizard.plugins.buildSystem
 
 
-
 import org.jetbrains.kotlin.tools.projectWizard.core.*
 import org.jetbrains.kotlin.tools.projectWizard.core.entity.ValidationResult
 import org.jetbrains.kotlin.tools.projectWizard.core.entity.settings.reference
@@ -111,9 +110,9 @@ data class BuildFileData(
 )
 
 enum class BuildSystemType(override val text: String) : DisplayableSettingItem {
-    GradleKotlinDsl("Gradle (Kotlin DSL)"),
-    GradleGroovyDsl("Gradle (Groovy DSL)"),
-        Jps("IDEA Build System"),
+    GradleKotlinDsl("Gradle Kotlin"),
+    GradleGroovyDsl("Gradle Groovy"),
+    Jps("IntelliJ"),
     Maven("Maven")
 
     ;