tobago-select-many-shuttle: custom elements

Using custom elements for tobago-select-many-shuttle.ts
Test added.

issue: TOBAGO-1633: TS refactoring
diff --git a/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/SelectManyShuttleRenderer.java b/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/SelectManyShuttleRenderer.java
index 563a070..ea31468 100644
--- a/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/SelectManyShuttleRenderer.java
+++ b/tobago-core/src/main/java/org/apache/myfaces/tobago/internal/renderkit/renderer/SelectManyShuttleRenderer.java
@@ -40,6 +40,10 @@
 
 public class SelectManyShuttleRenderer extends SelectManyRendererBase {
 
+  public HtmlElements getComponentTag() {
+    return HtmlElements.TOBAGO_SELECT_MANY_SHUTTLE;
+  }
+
   @Override
   public void encodeBeginField(final FacesContext facesContext, final UIComponent component) throws IOException {
 
diff --git a/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/html/HtmlElements.java b/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/html/HtmlElements.java
index 3b1a990..f6ecb2c 100644
--- a/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/html/HtmlElements.java
+++ b/tobago-core/src/main/java/org/apache/myfaces/tobago/renderkit/html/HtmlElements.java
@@ -145,6 +145,7 @@
   TOBAGO_SELECT_BOOLEAN_CHECKBOX("tobago-select-boolean-checkbox"),
   TOBAGO_SELECT_BOOLEAN_TOGGLE("tobago-select-boolean-toggle"),
   TOBAGO_SELECT_MANY_CHECKBOX("tobago-select-many-checkbox"),
+  TOBAGO_SELECT_MANY_SHUTTLE("tobago-select-many-shuttle"),
   TOBAGO_STARS("tobago-stars"),
   TOBAGO_SUGGEST("tobago-suggest"),
   TOBAGO_TAB("tobago-tab"),
diff --git a/tobago-example/tobago-example-demo/src/main/webapp/content/20-component/030-select/70-selectManyShuttle/Shuttle.test.js b/tobago-example/tobago-example-demo/src/main/webapp/content/20-component/030-select/70-selectManyShuttle/Shuttle.test.js
new file mode 100644
index 0000000..1593716
--- /dev/null
+++ b/tobago-example/tobago-example-demo/src/main/webapp/content/20-component/030-select/70-selectManyShuttle/Shuttle.test.js
@@ -0,0 +1,141 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {testFrameQuerySelectorAllFn, testFrameQuerySelectorFn} from "/script/tobago-test.js";
+import {TobagoTestTool} from "/tobago/test/tobago-test-tool.js";
+
+QUnit.test("submit: addAll, removeAll, addItem0to4, removeItem2to3", function (assert) {
+  let unselectedOptions = testFrameQuerySelectorAllFn("#page\\:mainForm\\:submitExample\\:\\:unselected option");
+  let selectedOptions = testFrameQuerySelectorAllFn("#page\\:mainForm\\:submitExample\\:\\:selected option");
+  let addAllButton = testFrameQuerySelectorFn("#page\\:mainForm\\:submitExample\\:\\:addAll");
+  let addButton = testFrameQuerySelectorFn("#page\\:mainForm\\:submitExample\\:\\:add");
+  let removeButton = testFrameQuerySelectorFn("#page\\:mainForm\\:submitExample\\:\\:remove");
+  let removeAllButton = testFrameQuerySelectorFn("#page\\:mainForm\\:submitExample\\:\\:removeAll");
+  let submitButton = testFrameQuerySelectorFn("#page\\:mainForm\\:submitButton");
+  let output = testFrameQuerySelectorFn("#page\\:mainForm\\:submitExampleOutput span");
+
+  let TTT = new TobagoTestTool(assert);
+  TTT.action(function () {
+    addAllButton().click();
+    submitButton().click();
+  });
+  TTT.waitForResponse();
+  TTT.asserts(3, function () {
+    assert.equal(unselectedOptions().length, 0);
+    assert.equal(selectedOptions().length, 9);
+    assert.equal(output().textContent, "[Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto]");
+  });
+  TTT.action(function () {
+    removeAllButton().click();
+    submitButton().click();
+  });
+  TTT.waitForResponse();
+  TTT.asserts(3, function () {
+    assert.equal(unselectedOptions().length, 9);
+    assert.equal(selectedOptions().length, 0);
+    assert.equal(output().textContent, "[]");
+  });
+  TTT.action(function () {
+    unselectedOptions().item(0).selected = true;
+    unselectedOptions().item(1).selected = true;
+    unselectedOptions().item(2).selected = true;
+    unselectedOptions().item(3).selected = true;
+    unselectedOptions().item(4).selected = true;
+    addButton().click();
+    submitButton().click();
+  });
+  TTT.waitForResponse();
+  TTT.asserts(3, function () {
+    assert.equal(unselectedOptions().length, 4);
+    assert.equal(selectedOptions().length, 5);
+    assert.equal(output().textContent, "[Mercury, Venus, Earth, Mars, Jupiter]");
+  });
+  TTT.action(function () {
+    selectedOptions().item(2).selected = true;
+    selectedOptions().item(3).selected = true;
+    removeButton().click();
+    submitButton().click();
+  });
+  TTT.waitForResponse();
+  TTT.asserts(3, function () {
+    assert.equal(unselectedOptions().length, 6);
+    assert.equal(selectedOptions().length, 3);
+    assert.equal(output().textContent, "[Mercury, Venus, Jupiter]");
+  });
+  TTT.startTest();
+});
+
+QUnit.test("ajax: addAll, removeAll, addItem1to2, removeItem0", function (assert) {
+  let unselectedOptions = testFrameQuerySelectorAllFn("#page\\:mainForm\\:ajaxExample\\:\\:unselected option");
+  let selectedOptions = testFrameQuerySelectorAllFn("#page\\:mainForm\\:ajaxExample\\:\\:selected option");
+  let addAllButton = testFrameQuerySelectorFn("#page\\:mainForm\\:ajaxExample\\:\\:addAll");
+  let addButton = testFrameQuerySelectorFn("#page\\:mainForm\\:ajaxExample\\:\\:add");
+  let removeButton = testFrameQuerySelectorFn("#page\\:mainForm\\:ajaxExample\\:\\:remove");
+  let removeAllButton = testFrameQuerySelectorFn("#page\\:mainForm\\:ajaxExample\\:\\:removeAll");
+  let output = testFrameQuerySelectorFn("#page\\:mainForm\\:outputStars span");
+
+  let TTT = new TobagoTestTool(assert);
+  TTT.action(function () {
+    addAllButton().click();
+  });
+  // TTT.waitForResponse(); //TODO use waitForResponse()
+  TTT.waitMs(5000);
+  TTT.asserts(6, function () {
+    assert.equal(unselectedOptions().length, 0);
+    assert.equal(selectedOptions().length, 4);
+    assert.ok(output().textContent.indexOf(selectedOptions().item(0).value) > 0);
+    assert.ok(output().textContent.indexOf(selectedOptions().item(1).value) > 0);
+    assert.ok(output().textContent.indexOf(selectedOptions().item(2).value) > 0);
+    assert.ok(output().textContent.indexOf(selectedOptions().item(3).value) > 0);
+  });
+  TTT.action(function () {
+    removeAllButton().click();
+  });
+  // TTT.waitForResponse(); //TODO use waitForResponse()
+  TTT.waitMs(5000);
+  TTT.asserts(3, function () {
+    assert.equal(unselectedOptions().length, 4);
+    assert.equal(selectedOptions().length, 0);
+    assert.equal(output().textContent, "[]");
+  });
+  TTT.action(function () {
+    unselectedOptions().item(1).selected = true;
+    unselectedOptions().item(2).selected = true;
+    addButton().click();
+  });
+  // TTT.waitForResponse(); //TODO use waitForResponse()
+  TTT.waitMs(5000);
+  TTT.asserts(4, function () {
+    assert.equal(unselectedOptions().length, 2);
+    assert.equal(selectedOptions().length, 2);
+    assert.ok(output().textContent.indexOf(selectedOptions().item(0).value) > 0);
+    assert.ok(output().textContent.indexOf(selectedOptions().item(1).value) > 0);
+  });
+  TTT.action(function () {
+    selectedOptions().item(0).selected = true;
+    selectedOptions().item(1).selected = false;
+    removeButton().click();
+  });
+  // TTT.waitForResponse(); //TODO use waitForResponse()
+  TTT.waitMs(5000);
+  TTT.asserts(3, function () {
+    assert.equal(unselectedOptions().length, 3);
+    assert.equal(selectedOptions().length, 1);
+    assert.ok(output().textContent.indexOf(selectedOptions().item(0).value) > 0);
+  });
+  TTT.startTest();
+});
diff --git a/tobago-example/tobago-example-demo/src/main/webapp/content/20-component/030-select/70-selectManyShuttle/Shuttle.xhtml b/tobago-example/tobago-example-demo/src/main/webapp/content/20-component/030-select/70-selectManyShuttle/Shuttle.xhtml
index b7de6b4..aaf990e 100644
--- a/tobago-example/tobago-example-demo/src/main/webapp/content/20-component/030-select/70-selectManyShuttle/Shuttle.xhtml
+++ b/tobago-example/tobago-example-demo/src/main/webapp/content/20-component/030-select/70-selectManyShuttle/Shuttle.xhtml
@@ -98,14 +98,14 @@
     <pre><code class="language-markup">&lt;tc:selectManyShuttle label="Planets" ...>
   &lt;tc:selectItems value="\#{selectManyShuttleController.planets}" .../>
 &lt;/tc:selectManyShuttle></code></pre>
-    <tc:selectManyShuttle id="s4" label="Planets" labelLayout="top"
+    <tc:selectManyShuttle id="submitExample" label="Planets" labelLayout="top"
                           unselectedLabel="Left List" selectedLabel="Right List"
                           value="#{selectManyShuttleController.selectedPlanets}">
       <tc:selectItems value="#{selectManyShuttleController.planets}"
                       var="planet" itemLabel="#{planet.name}" itemValue="#{planet}"/>
     </tc:selectManyShuttle>
-    <tc:out id="o1" label="Selected Planets" value="#{selectManyShuttleController.selectedPlanetsAsString}"/>
-    <tc:button label="Submit"/>
+    <tc:out id="submitExampleOutput" label="Selected Planets" value="#{selectManyShuttleController.selectedPlanetsAsString}"/>
+    <tc:button id="submitButton" label="Submit"/>
   </tc:section>
 
   <tc:section label="Ajax">
@@ -114,7 +114,7 @@
       <code class="language-markup">&lt;tc:selectManyShuttle .../></code> contain
       <code class="language-markup">&lt;f:ajax render="outputStars"/></code>. Every time, the value in the shuttle list
       change, the outputfield is rerendered.</p>
-    <tc:selectManyShuttle id="s5" label="Stars" labelLayout="top" value="#{selectManyShuttleController.selectedStars}">
+    <tc:selectManyShuttle id="ajaxExample" label="Stars" labelLayout="top" value="#{selectManyShuttleController.selectedStars}">
       <tc:selectItems value="#{selectManyShuttleController.stars}"/>
       <f:ajax render="outputStars"/>
     </tc:selectManyShuttle>
diff --git a/tobago-theme/tobago-theme-standard/src/main/npm/ts/tobago-select-many-shuttle.ts b/tobago-theme/tobago-theme-standard/src/main/npm/ts/tobago-select-many-shuttle.ts
index 8db3da2..1cf4161 100644
--- a/tobago-theme/tobago-theme-standard/src/main/npm/ts/tobago-select-many-shuttle.ts
+++ b/tobago-theme/tobago-theme-standard/src/main/npm/ts/tobago-select-many-shuttle.ts
@@ -15,73 +15,103 @@
  * limitations under the License.
  */
 
-import {Listener, Phase} from "./tobago-listener";
-import {DomUtils} from "./tobago-utils";
+class SelectManyShuttle extends HTMLElement {
 
-class SelectManyShuttle {
+  constructor() {
+    super();
+  }
 
-  static init = function (element: HTMLElement): void {
-    for (const shuttle of DomUtils.selfOrQuerySelectorAll(
-        element, ".tobago-selectManyShuttle:not(.tobago-selectManyShuttle-disabled)")) {
-
-      shuttle.querySelector(".tobago-selectManyShuttle-unselected").addEventListener(
-          "dblclick", (event: Event) => {
-            SelectManyShuttle.moveSelectedItems(event, true, false);
-          });
-
-      shuttle.querySelector(".tobago-selectManyShuttle-selected").addEventListener(
-          "dblclick", (event: Event) => {
-            SelectManyShuttle.moveSelectedItems(event, false, false);
-          });
-
-      shuttle.querySelector(".tobago-selectManyShuttle-addAll").addEventListener(
-          "click", (event: Event) => {
-            SelectManyShuttle.moveSelectedItems(event, true, true);
-          });
-
-      shuttle.querySelector(".tobago-selectManyShuttle-add").addEventListener(
-          "click", (event: Event) => {
-            SelectManyShuttle.moveSelectedItems(event, true, false);
-          });
-
-      shuttle.querySelector(".tobago-selectManyShuttle-removeAll").addEventListener(
-          "click", (event: Event) => {
-            SelectManyShuttle.moveSelectedItems(event, false, true);
-          });
-
-      shuttle.querySelector(".tobago-selectManyShuttle-remove").addEventListener(
-          "click", (event: Event) => {
-            SelectManyShuttle.moveSelectedItems(event, false, false);
-          });
-    }
-  };
-
-  static moveSelectedItems = function (event: Event, direction: boolean, all: boolean): void {
-    const currentTarget = event.currentTarget as HTMLElement;
-    const shuttle = currentTarget.closest(".tobago-selectManyShuttle");
-    const unselected = shuttle.querySelector(".tobago-selectManyShuttle-unselected");
-    const selected = shuttle.querySelector(".tobago-selectManyShuttle-selected");
-    const oldCount = selected.childElementCount;
-    const source = direction ? unselected : selected;
-    const target = direction ? selected : unselected;
-    const options = source.querySelectorAll(all ? "option:not(:disabled)" : "option:checked");
-    const hidden = shuttle.querySelector(".tobago-selectManyShuttle-hidden");
-    const hiddenOptions = hidden.querySelectorAll("option");
-    for (const option of options as NodeListOf<HTMLOptionElement>) {
-      source.removeChild(option);
-      target.appendChild(option);
-      for (const hiddenOption of hiddenOptions) {
-        if (hiddenOption.value === option.value) {
-          hiddenOption.selected = direction;
-        }
-      }
+  connectedCallback(): void {
+    if (this.unselectedSelect.getAttribute("readonly") !== "readonly" && !this.unselectedSelect.disabled) {
+      this.unselectedSelect.addEventListener("dblclick", this.addSelectedItems.bind(this));
     }
 
-    if (oldCount !== selected.childElementCount) {
-      hidden.dispatchEvent(new Event("change"));
+    if (this.selectedSelect.getAttribute("readonly") !== "readonly" && !this.selectedSelect.disabled) {
+      this.selectedSelect.addEventListener("dblclick", this.removeSelectedItems.bind(this));
     }
-  };
+
+    if (!this.addAllButton.disabled) {
+      this.addAllButton.addEventListener("click", this.addAllItems.bind(this));
+    }
+
+    if (!this.addButton.disabled) {
+      this.addButton.addEventListener("click", this.addSelectedItems.bind(this));
+    }
+
+    if (!this.removeButton.disabled) {
+      this.removeButton.addEventListener("click", this.removeSelectedItems.bind(this));
+    }
+
+    if (!this.removeAllButton.disabled) {
+      this.removeAllButton.addEventListener("click", this.removeAllItems.bind(this));
+    }
+  }
+
+  private addAllItems(event: MouseEvent): void {
+    this.addItems(this.unselectedSelect.querySelectorAll("option:not(:disabled)"));
+  }
+
+  private addSelectedItems(event: MouseEvent): void {
+    this.addItems(this.unselectedSelect.querySelectorAll("option:checked"));
+  }
+
+  private removeSelectedItems(event: MouseEvent): void {
+    this.removeItems(this.selectedSelect.querySelectorAll("option:checked"));
+  }
+
+  private removeAllItems(event: MouseEvent): void {
+    this.removeItems(this.selectedSelect.querySelectorAll("option:not(:disabled)"));
+  }
+
+  private addItems(options: NodeListOf<HTMLOptionElement>): void {
+    for (const option of options) {
+      this.selectedSelect.add(option);
+      this.changeHiddenOption(option, true);
+    }
+  }
+
+  private removeItems(options: NodeListOf<HTMLOptionElement>): void {
+    for (const option of options) {
+      this.unselectedSelect.add(option);
+      this.changeHiddenOption(option, false);
+    }
+  }
+
+  private changeHiddenOption(option: HTMLOptionElement, select: boolean): void {
+    const hiddenOption: HTMLOptionElement = this.hiddenSelect.querySelector("option[value='" + option.value + "']");
+    hiddenOption.selected = select;
+    this.dispatchEvent(new Event("change"));
+  }
+
+  get unselectedSelect(): HTMLSelectElement {
+    return this.querySelector(".tobago-selectManyShuttle-unselected");
+  }
+
+  get selectedSelect(): HTMLSelectElement {
+    return this.querySelector(".tobago-selectManyShuttle-selected");
+  }
+
+  get hiddenSelect(): HTMLSelectElement {
+    return this.querySelector(".tobago-selectManyShuttle-hidden");
+  }
+
+  get addAllButton(): HTMLButtonElement {
+    return this.querySelector(".tobago-selectManyShuttle-addAll");
+  }
+
+  get addButton(): HTMLButtonElement {
+    return this.querySelector(".tobago-selectManyShuttle-add");
+  }
+
+  get removeButton(): HTMLButtonElement {
+    return this.querySelector(".tobago-selectManyShuttle-remove");
+  }
+
+  get removeAllButton(): HTMLButtonElement {
+    return this.querySelector(".tobago-selectManyShuttle-removeAll");
+  }
 }
 
-Listener.register(SelectManyShuttle.init, Phase.DOCUMENT_READY);
-Listener.register(SelectManyShuttle.init, Phase.AFTER_UPDATE);
+document.addEventListener("DOMContentLoaded", function (event: Event): void {
+  window.customElements.define("tobago-select-many-shuttle", SelectManyShuttle);
+});