Implemented the incremental search (search-as-you-type) in the base account selector of the account form.

src/accounting/models.py

@@ -64,6 +64,14 @@ class BaseAccount(db.Model):
                 return l10n.title
         return self.title_l10n
 
+    @property
+    def query_values(self) -> list[str]:
+        """Returns the values to be queried.
+
+        :return: The values to be queried.
+        """
+        return [self.code, self.title_l10n] + [x.title for x in self.l10n]
+
 
 class BaseAccountL10n(db.Model):
     """A localized base account title."""

src/accounting/static/js/account-form.js

@@ -79,6 +79,54 @@ function initializeBaseAccountSelector() {
         validateBase();
         bootstrap.Modal.getInstance(selector).hide();
     }
+    initializeBaseAccountQuery();
+}
+
+/**
+ * Initializes the query on the base account options.
+ *
+ * @private
+ */
+function initializeBaseAccountQuery() {
+    const query = document.getElementById("accounting-base-selector-query");
+    const optionList = document.getElementById("accounting-base-option-list");
+    const options = Array.from(document.getElementsByClassName("accounting-base-option"));
+    const queryNoResult = document.getElementById("accounting-base-option-no-result");
+    query.addEventListener("input", function () {
+        console.log(query.value);
+        if (query.value === "") {
+            options.forEach(function (option) {
+                option.classList.remove("d-none");
+            });
+            optionList.classList.remove("d-none");
+            queryNoResult.classList.add("d-none");
+            return
+        }
+        let hasAnyMatched = false;
+        options.forEach(function (option) {
+            const queryValues = JSON.parse(option.dataset.queryValues);
+            let isMatched = false;
+            for (let i = 0; i < queryValues.length; i++) {
+                if (queryValues[i].includes(query.value)) {
+                    isMatched = true;
+                    break;
+                }
+            }
+            if (isMatched) {
+                option.classList.remove("d-none");
+                hasAnyMatched = true;
+            } else {
+                option.classList.add("d-none");
+            }
+        });
+        if (!hasAnyMatched) {
+            optionList.classList.add("d-none");
+            queryNoResult.classList.remove("d-none");
+        } else {
+            optionList.classList.remove("d-none");
+            queryNoResult.classList.add("d-none");
+        }
+    });
 }
 
 /**

src/accounting/templates/accounting/account/include/form.html

@@ -99,13 +99,14 @@ First written: 2023/2/1
           </label>
         </div>
 
-        <ul class="list-group accounting-selector-list">
+        <ul id="accounting-base-option-list" class="list-group accounting-selector-list">
           {% for base in form.base_options %}
-          <li id="accounting-base-option-{{ base.code }}" class="list-group-item accounting-base-option accounting-clickable" data-code="{{ base.code }}" data-content="{{ base }}">
+          <li id="accounting-base-option-{{ base.code }}" class="list-group-item accounting-base-option accounting-clickable" data-code="{{ base.code }}" data-content="{{ base }}" data-query-values="{{ base.query_values|tojson|forceescape }}">
             {{ base }}
           </li>
           {% endfor %}
         </ul>
+        <p id="accounting-base-option-no-result" class="d-none">{{ A_("There is no data.") }}</p>
       </div>
       <div class="modal-footer">
         <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">{{ A_("Cancel") }}</button>