add DefaultBanner KDOC

platform/jewel/ui/src/main/kotlin/org/jetbrains/jewel/ui/component/Banner.kt

@@ -23,6 +23,44 @@ import org.jetbrains.jewel.ui.component.styling.DefaultBannerStyle
 import org.jetbrains.jewel.ui.icons.AllIconsKeys
 import org.jetbrains.jewel.ui.theme.defaultBannerStyle
 
+/**
+ * Displays an informational editor banner providing a context-aware message to the user,
+ * styled with the default "information" theme.
+ *
+ * The banner includes an optional icon, customizable actions, and a text message.
+ * Its primary purpose is to provide non-intrusive, informative feedback in the editor area.
+ *
+ * @param text the main text content of the banner, succinctly describing the message or context.
+ * @param modifier a [Modifier] for customizing the layout and appearance of the banner.
+ * @param icon a composable representing an optional icon displayed on the left side of the banner,
+ * by default it shows the general "information" icon, in a 16x16 dp [Box].
+ * Pass `null` to hide the icon.
+ * @param actions an optional row of clickable components (e.g., links or buttons) placed at the end of the banner.
+ * Useful for actions such as "learn more," "retry," or "dismiss."
+ * @param style defines the visual styling of the banner, adapting to the default "information" theme of the IJ UI.
+ * You can override it if needed by providing a custom [DefaultBannerStyle].
+ * @param textStyle the styling applied to the banner's text content, using the default text style from the Jewel theme.
+ * This can be customized for specific typography needs.
+ *
+ * This banner is primarily used to display persistent messages without interrupting the workflow.
+ *
+ * **Guidelines:** [on IJP SDK webhelp](https://plugins.jetbrains.com/docs/intellij/banner.html)
+ *
+ * **Swing equivalent:** [`EditorNotificationProvider `](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/ui/EditorNotificationProvider.java)
+ *
+ * **Usage example:**
+ * [`Banners.kt`](https://github.com/JetBrains/intellij-community/blob/master/platform/jewel/samples/showcase/src/main/kotlin/org/jetbrains/jewel/samples/showcase/components/Banners.kt)
+ *
+ * Example usage:
+ * ```
+ * InformationDefaultBanner(
+ *     text = "The file has been indexed successfully.",
+ *     actions = {
+ *         Link("Dismiss", onClick = { /* Handle dismiss action */ })
+ *     }
+ * )
+ * ```
+ */
 @Composable
 public fun InformationDefaultBanner(
     text: String,
@@ -42,6 +80,42 @@ public fun InformationDefaultBanner(
     )
 }
 
+/**
+ * Displays a success editor banner signaling a successful action, state, or process completion.
+ *
+ * The banner includes an optional icon, customizable actions, and a text message styled
+ * with the default "success" theme.
+ *
+ * @param text the main text content of the banner, briefly describing the successful state or process.
+ * @param modifier a [Modifier] for customizing the layout and appearance of the banner.
+ * @param icon a composable representing an optional icon displayed on the left of the banner,
+ * by default it shows the "success" icon, in a 16x16 dp [Box].
+ * Pass `null` to hide the icon.
+ * @param actions an optional row of clickable components that can act as additional user actions,
+ * such as "view details" or "close."
+ * @param style defines the banner's appearance following the "success" theme of the Jewel UI,
+ * but can be overridden with custom styling.
+ * @param textStyle determines the typography of the banner's text, defaulting to the application's text style.
+ *
+ * Use this banner to provide clear, visual feedback of a completed or successful action.
+ *
+ * **Guidelines:** [on IJP SDK webhelp](https://plugins.jetbrains.com/docs/intellij/banner.html)
+ *
+ * **Swing equivalent:** [`EditorNotificationProvider `](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/ui/EditorNotificationProvider.java)
+ *
+ * **Usage example:**
+ * [`Banners.kt`](https://github.com/JetBrains/intellij-community/blob/master/platform/jewel/samples/showcase/src/main/kotlin/org/jetbrains/jewel/samples/showcase/components/Banners.kt)
+ *
+ * Example usage:
+ * ```
+ * SuccessDefaultBanner(
+ *     text = "Backup completed successfully.",
+ *     actions = {
+ *         Link("View Logs", onClick = { /* Show logs */ })
+ *     }
+ * )
+ * ```
+ */
 @Composable
 public fun SuccessDefaultBanner(
     text: String,
@@ -61,6 +135,40 @@ public fun SuccessDefaultBanner(
     )
 }
 
+/**
+ * Displays a warning editor banner highlighting potential issues or a need for user attention.
+ *
+ * This banner visually distinguishes itself using the default "warning" theme, including optional
+ * icons and user actions.
+ *
+ * @param text the main text content of the banner, detailing the warning message or potential problem.
+ * @param modifier a [Modifier] for customizing the layout and appearance of the banner.
+ * @param icon a composable representing an icon displayed on the left of the banner,
+ * by default it shows a "warning" icon. Pass `null` to omit the icon.
+ * @param actions an optional row of clickable components allowing the user to resolve the warning
+ * or access more details.
+ * @param style defines the banner's appearance under the "warning" theme, or a custom [DefaultBannerStyle].
+ * @param textStyle controls the typography of the warning message's text, based on the Jewel theme.
+ *
+ * Use this banner to make users aware of potential issues without stopping their flow.
+ *
+ * **Guidelines:** [on IJP SDK webhelp](https://plugins.jetbrains.com/docs/intellij/banner.html)
+ *
+ * **Swing equivalent:** [`EditorNotificationProvider `](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/ui/EditorNotificationProvider.java)
+ *
+ * **Usage example:**
+ * [`Banners.kt`](https://github.com/JetBrains/intellij-community/blob/master/platform/jewel/samples/showcase/src/main/kotlin/org/jetbrains/jewel/samples/showcase/components/Banners.kt)
+ *
+ * Example usage:
+ * ```
+ * WarningDefaultBanner(
+ *     text = "Your license is expiring soon. Please renew to avoid service interruptions.",
+ *     actions = {
+ *         Link("Renew Now", onClick = { /* Trigger renewal flow */ })
+ *     }
+ * )
+ * ```
+ */
 @Composable
 public fun WarningDefaultBanner(
     text: String,
@@ -80,6 +188,40 @@ public fun WarningDefaultBanner(
     )
 }
 
+/**
+ * Displays an error editor banner indicating critical issues or failures that require user awareness.
+ *
+ * This banner draws attention using the default "error" theme and can optionally include user actions
+ * or icons.
+ *
+ * @param text the main text content of the banner, focusing on the error context or failure details.
+ * @param modifier a [Modifier] for customizing the layout and appearance of the banner.
+ * @param icon a composable representing an error icon to display on the left of the banner,
+ * by default it shows the "error" icon. Pass `null` to omit the icon.
+ * @param actions an optional row of interactive components for responding to the error, such as retrying
+ * or navigating to relevant settings.
+ * @param style the default "error" theme styling for the banner, or a custom one via [DefaultBannerStyle].
+ * @param textStyle typography settings for the text content, defaulting to Jewel's text style.
+ *
+ * Use this banner to provide high-visibility error messages requiring immediate user attention.
+ *
+ * **Guidelines:** [on IJP SDK webhelp](https://plugins.jetbrains.com/docs/intellij/banner.html)
+ *
+ * **Swing equivalent:** [`EditorNotificationProvider `](https://github.com/JetBrains/intellij-community/blob/master/platform/platform-api/src/com/intellij/ui/EditorNotificationProvider.java)
+ *
+ * **Usage example:**
+ * [`Banners.kt`](https://github.com/JetBrains/intellij-community/blob/master/platform/jewel/samples/showcase/src/main/kotlin/org/jetbrains/jewel/samples/showcase/components/Banners.kt)
+ *
+ * Example usage:
+ * ```
+ * ErrorDefaultBanner(
+ *     text = "Failed to sync project files with the server.",
+ *     actions = {
+ *         Link("Retry", onClick = { /* Retry the action */ })
+ *     }
+ * )
+ * ```
+ */
 @Composable
 public fun ErrorDefaultBanner(
     text: String,