#7868 searchMode property for Tagbox?

Fixes #7868
surveyjs · Feb 16, 2024 · 65e0d1a · 65e0d1a
1 parent 03218c5
commit 65e0d1a
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Showing 4 changed files with 55 additions and 8 deletions.
diff --git a/src/dropdownListModel.ts b/src/dropdownListModel.ts
@@ -152,6 +152,15 @@ export class DropdownListModel extends Base {
   protected getAvailableItems(): Array<ItemValue> {
     return this.question.visibleChoices;
   }
+  protected setOnTextSearchCallbackForListModel(listModel: ListModel<ItemValue>) {
+    listModel.setOnTextSearchCallback((item: ItemValue, textToSearch: string) => {
+      if (this.filteredItems) return this.filteredItems.indexOf(item) >= 0;
+      let textInLow = item.text.toLocaleLowerCase();
+      textInLow = settings.comparator.normalizeTextCallback(textInLow, "filter");
+      const index = textInLow.indexOf(textToSearch.toLocaleLowerCase());
+      return this.question.searchMode == "startsWith" ? index == 0 : index > -1;
+    });
+  }
   protected createListModel(): ListModel<ItemValue> {
     const visibleItems = this.getAvailableItems();
     let _onSelectionChanged = this.onSelectionChanged;
@@ -163,13 +172,7 @@ export class DropdownListModel extends Base {
       };
     }
     const res = new ListModel<ItemValue>(visibleItems, _onSelectionChanged, false, undefined, this.question.choicesLazyLoadEnabled ? this.listModelFilterStringChanged : undefined, this.listElementId);
-    res.setOnTextSearchCallback((item: ItemValue, textToSearch: string) => {
-      if (this.filteredItems) return this.filteredItems.indexOf(item) >= 0;
-      let textInLow = item.text.toLocaleLowerCase();
-      textInLow = settings.comparator.normalizeTextCallback(textInLow, "filter");
-      const index = textInLow.indexOf(textToSearch.toLocaleLowerCase());
-      return this.question.searchMode == "startsWith" ? index == 0 : index > -1;
-    });
+    this.setOnTextSearchCallbackForListModel(res);
     res.renderElements = false;
     res.forceShowFilter = true;
     res.areSameItemsCallback = (item1: IAction, item2: IAction): boolean => {

diff --git a/src/dropdownMultiSelectListModel.ts b/src/dropdownMultiSelectListModel.ts
@@ -63,6 +63,7 @@ export class DropdownMultiSelectListModel extends DropdownListModel {
       };
     }
     const res = new MultiSelectListModel<ItemValue>(visibleItems, _onSelectionChanged, false, undefined, this.question.choicesLazyLoadEnabled ? this.listModelFilterStringChanged : undefined, this.listElementId);
+    this.setOnTextSearchCallbackForListModel(res);
     res.forceShowFilter = true;
     return res;
   }

diff --git a/src/question_tagbox.ts b/src/question_tagbox.ts
@@ -45,6 +45,16 @@ export class QuestionTagboxModel extends QuestionCheckboxModel {
       this.dropdownListModel = new DropdownMultiSelectListModel(this);
     }
   }
+  /**
+   * Specifies a comparison operation used to filter the drop-down list. Applies only if [`searchEnabled`](#searchEnabled) is `true`.
+   *
+   * Possible values:
+   *
+   * - `"contains"` (default)
+   * - `"startsWith"`
+   * @see [SurveyModel.onChoicesSearch](https://surveyjs.io/form-library/documentation/api-reference/survey-data-model#onChoicesSearch)
+   */
+  @property() searchMode: "contains" | "startsWith";
 
   /**
    * Specifies whether to display a button that clears the selected value.
@@ -242,7 +252,8 @@ Serializer.addClass(
     { name: "choicesLazyLoadPageSize:number", default: 25, visible: false },
     { name: "hideSelectedItems:boolean", default: false },
     { name: "closeOnSelect:boolean" },
-    { name: "itemComponent", visible: false, default: "" }
+    { name: "itemComponent", visible: false, default: "" },
+    { name: "searchMode", default: "contains", choices: ["contains", "startsWith"] }
   ],
   function () {
     return new QuestionTagboxModel("");

diff --git a/tests/question_tagbox_tests.ts b/tests/question_tagbox_tests.ts
@@ -5,6 +5,7 @@ import { PopupBaseViewModel } from "../src/popup-view-model";
 import { _setIsTouch } from "../src/utils/devices";
 import { settings } from "../src/settings";
 import { QuestionMatrixDynamicModel } from "../src/question_matrixdynamic";
+import { ListModel } from "../src/list";
 
 export default QUnit.module("Tagbox question");
 
@@ -1509,4 +1510,35 @@ QUnit.test("Check readOnly tagbox with markdown", function (assert) {
 
   assert.equal(q1.displayValue, "item1 |  item2 |  item3");
   assert.equal(q1.locReadOnlyText.renderedHtml, "item1 |  item2 |  item3");
+});
+
+QUnit.test("Tagbox searchmode filter options", (assert) => {
+  const survey = new SurveyModel({
+    questions: [{
+      type: "tagbox",
+      name: "question1",
+      searchEnabled: true,
+      searchMode: "startsWith",
+      choices: [
+        "abc",
+        "abd",
+        "cab",
+        "efg"
+      ]
+    }]
+  });
+  const question = <QuestionTagboxModel>survey.getAllQuestions()[0];
+  assert.equal(question.searchMode, "startsWith");
+  const dropdownListModel = question.dropdownListModel;
+  const list: ListModel = dropdownListModel.popupModel.contentComponentData.model as ListModel;
+
+  dropdownListModel.filterString = "ab";
+  const getfilteredItems = () => list.renderedActions.filter(item => list.isItemVisible(item));
+
+  assert.equal(list.renderedActions.length, 4);
+  assert.equal(getfilteredItems().length, 2);
+
+  question.searchMode = "contains";
+  assert.equal(list.renderedActions.length, 4);
+  assert.equal(getfilteredItems().length, 3);
 });