settings menu and turn off option for modulite icons

src/main/kotlin/com/vk/modulite/projectview/ProjectViewDecorator.kt

@@ -3,9 +3,14 @@ package com.vk.modulite.projectview
 import com.intellij.ide.projectView.PresentationData
 import com.intellij.ide.projectView.ProjectViewNode
 import com.intellij.ide.projectView.ProjectViewNodeDecorator
+import com.vk.modulite.settings.ModuliteSettings
 
 class ProjectViewDecorator : ProjectViewNodeDecorator {
     override fun decorate(node: ProjectViewNode<*>, presentation: PresentationData) {
-        presentation.isChanged = ModuliteNodeDecoration.apply(node, presentation)
+        val iconTurnOff = ModuliteSettings.getInstance().state.turnOffIconsOnFolders
+
+        if (!iconTurnOff) {
+            presentation.isChanged = ModuliteNodeDecoration.apply(node, presentation)
+        }
     }
 }

src/main/kotlin/com/vk/modulite/settings/ModuliteSettings.kt

@@ -0,0 +1,24 @@
+package com.vk.modulite.settings
+
+import com.intellij.openapi.components.PersistentStateComponent
+import com.intellij.openapi.components.State
+import com.intellij.openapi.components.Storage
+import com.intellij.openapi.components.service
+
+@State(
+    name = "com.vk.modulite.settings.ModuliteSettings",
+    storages = [Storage("ModulitePlugin.xml")]
+)
+class ModuliteSettings : PersistentStateComponent<ModuliteSettingsState> {
+    companion object {
+        fun getInstance() = service<ModuliteSettings>()
+    }
+
+    private var state = ModuliteSettingsState()
+
+    override fun getState(): ModuliteSettingsState = state
+
+    override fun loadState(state: ModuliteSettingsState) {
+        this.state = state
+    }
+}

src/main/kotlin/com/vk/modulite/settings/ModuliteSettingsConfigurable.kt

@@ -0,0 +1,59 @@
+package com.vk.modulite.settings
+
+
+import com.intellij.openapi.options.Configurable
+import com.intellij.openapi.ui.DialogPanel
+import com.intellij.ui.dsl.builder.*
+
+class ModuliteSettingsConfigurable : Configurable {
+    private val mainPanel: DialogPanel
+    private val model = ModuliteSettingsState()
+    private val settings = ModuliteSettings.getInstance()
+
+    init {
+        mainPanel = panel {
+            group("General") {
+                row {
+                    checkBox("Turn off modulite icon on folders")
+                        .comment("Can improve indexing performance.")
+                        .bindSelected(model::turnOffIconsOnFolders)
+                }
+                row {
+                    checkBox("Turn off modulite icon on yaml file")
+                        .comment("Can improve indexing performance.")
+                        .bindSelected(model::turnOffIconOnYaml)
+                }
+            }
+
+        }
+    }
+
+    override fun getDisplayName() = "Modulite"
+    override fun getPreferredFocusedComponent() = mainPanel
+    override fun createComponent() = mainPanel
+
+    override fun isModified(): Boolean {
+        mainPanel.apply()
+
+        return model.turnOffIconsOnFolders != settings.state.turnOffIconsOnFolders ||
+                model.turnOffIconOnYaml != settings.state.turnOffIconOnYaml
+    }
+
+    override fun apply() {
+        mainPanel.apply()
+
+        with(settings) {
+            state.turnOffIconsOnFolders = model.turnOffIconsOnFolders
+            state.turnOffIconOnYaml = model.turnOffIconOnYaml
+        }
+    }
+
+    override fun reset() {
+        with(model) {
+            turnOffIconsOnFolders = settings.state.turnOffIconsOnFolders
+            turnOffIconOnYaml = settings.state.turnOffIconOnYaml
+        }
+
+        mainPanel.reset()
+    }
+}

src/main/kotlin/com/vk/modulite/settings/ModuliteSettingsState.kt

@@ -0,0 +1,6 @@
+package com.vk.modulite.settings
+
+data class ModuliteSettingsState(
+    var turnOffIconsOnFolders: Boolean = false,
+    var turnOffIconOnYaml: Boolean = false
+)

src/main/kotlin/com/vk/modulite/view/ModuliteIconProvider.kt

@@ -2,12 +2,19 @@ package com.vk.modulite.view
 
 import com.intellij.ide.IconProvider
 import com.intellij.psi.PsiElement
+import com.vk.modulite.settings.ModuliteSettings
 import com.vk.modulite.utils.PluginIcons
 import org.jetbrains.yaml.psi.YAMLFile
 import javax.swing.Icon
 
 class ModuliteIconProvider : IconProvider() {
     override fun getIcon(element: PsiElement, flags: Int): Icon? {
+        val settings = ModuliteSettings.getInstance()
+        val iconTurnOff = settings.state.turnOffIconOnYaml
+        if (iconTurnOff) {
+            return null
+        }
+
         if (element !is YAMLFile) {
             return null
         }

src/main/resources/META-INF/plugin.xml

@@ -20,6 +20,11 @@
   <depends>org.jetbrains.plugins.yaml</depends>
 
   <extensions defaultExtensionNs="com.intellij">
+    <applicationService serviceImplementation="com.vk.modulite.settings.ModuliteSettings"/>
+    <projectConfigurable parentId="reference.webide.settings.project.settings.php" instance="com.vk.modulite.settings.ModuliteSettingsConfigurable"
+                         id="com.vk.modulite.settings.ModuliteSettingsConfigurable"
+                         displayName="Modulite"/>
+
     <postStartupActivity implementation="com.vk.modulite.ModuliteStartupActivity"/>
 
     <projectViewNodeDecorator implementation="com.vk.modulite.projectview.ProjectViewDecorator"/>