IContext > IInput

js/input/IInput.js

@@ -0,0 +1,67 @@
+// @ts-check
+
+import Configuration from "../Configuration"
+
+/**
+ * @typedef {import("../Blueprint").default} Blueprint
+ */
+
+/**
+ * @template {HTMLElement} T
+ */
+export default class IInput {
+
+    /** @type {T} */
+    #target
+    get target() {
+        return this.#target
+    }
+
+    /** @type {Blueprint} */
+    #blueprint
+    get blueprint() {
+        return this.#blueprint
+    }
+
+    /** @type {Object} */
+    options
+
+    /**
+     * @param {T} target
+     * @param {Blueprint} blueprint
+     * @param {Object} options
+     */
+    constructor(target, blueprint, options) {
+        this.#target = target
+        this.#blueprint = blueprint
+        this.options = options
+        this.options.listenOnFocus = this.options?.listenOnFocus ?? false
+        this.options.unlistenOnTextEdit = this.options?.unlistenOnTextEdit ?? true
+        let self = this
+        this.listenHandler = _ => self.listenEvents()
+        this.unlistenHandler = _ => self.unlistenEvents()
+        if (this.options.listenOnFocus) {
+            this.blueprint.addEventListener(Configuration.focusEventName.begin, this.listenHandler)
+            this.blueprint.addEventListener(Configuration.focusEventName.end, this.unlistenHandler)
+        }
+        if (options?.unlistenOnTextEdit ?? false) {
+            this.blueprint.addEventListener(Configuration.editTextEventName.begin, this.unlistenHandler)
+            this.blueprint.addEventListener(Configuration.editTextEventName.end, this.listenHandler)
+        }
+    }
+
+    unlistenDOMElement() {
+        this.unlistenEvents()
+        this.blueprint.removeEventListener(Configuration.focusEventName.begin, this.listenHandler)
+        this.blueprint.removeEventListener(Configuration.focusEventName.end, this.unlistenHandler)
+        this.blueprint.removeEventListener(Configuration.editTextEventName.begin, this.unlistenHandler)
+        this.blueprint.removeEventListener(Configuration.editTextEventName.end, this.listenHandler)
+    }
+
+    /* Subclasses will probabily override the following methods */
+    listenEvents() {
+    }
+
+    unlistenEvents() {
+    }
+}