1 files changed, 205 insertions, 0 deletions
diff --git a/app/assets/javascripts/ci_variable_list/ci_variable_list.js b/app/assets/javascripts/ci_variable_list/ci_variable_list.js
new file mode 100644
index 00000000000..e46478ddb98
--- /dev/null
+++ b/app/assets/javascripts/ci_variable_list/ci_variable_list.js
@@ -0,0 +1,205 @@
+import $ from 'jquery';
+import { convertPermissionToBoolean } from '../lib/utils/common_utils';
+import { s__ } from '../locale';
+import setupToggleButtons from '../toggle_buttons';
+import CreateItemDropdown from '../create_item_dropdown';
+import SecretValues from '../behaviors/secret_values';
+
+const ALL_ENVIRONMENTS_STRING = s__('CiVariable|All environments');
+
+function createEnvironmentItem(value) {
+  return {
+    title: value === '*' ? ALL_ENVIRONMENTS_STRING : value,
+    id: value,
+    text: value,
+  };
+}
+
+export default class VariableList {
+  constructor({
+    container,
+    formField,
+  }) {
+    this.$container = $(container);
+    this.formField = formField;
+    this.environmentDropdownMap = new WeakMap();
+
+    this.inputMap = {
+      id: {
+        selector: '.js-ci-variable-input-id',
+        default: '',
+      },
+      key: {
+        selector: '.js-ci-variable-input-key',
+        default: '',
+      },
+      value: {
+        selector: '.js-ci-variable-input-value',
+        default: '',
+      },
+      protected: {
+        selector: '.js-ci-variable-input-protected',
+        default: 'true',
+      },
+      environment: {
+        // We can't use a `.js-` class here because
+        // gl_dropdown replaces the <input> and doesn't copy over the class
+        // See https://gitlab.com/gitlab-org/gitlab-ce/issues/42458
+        selector: `input[name="${this.formField}[variables_attributes][][environment]"]`,
+        default: '*',
+      },
+      _destroy: {
+        selector: '.js-ci-variable-input-destroy',
+        default: '',
+      },
+    };
+
+    this.secretValues = new SecretValues({
+      container: this.$container[0],
+      valueSelector: '.js-row:not(:last-child) .js-secret-value',
+      placeholderSelector: '.js-row:not(:last-child) .js-secret-value-placeholder',
+    });
+  }
+
+  init() {
+    this.bindEvents();
+    this.secretValues.init();
+  }
+
+  bindEvents() {
+    this.$container.find('.js-row').each((index, rowEl) => {
+      this.initRow(rowEl);
+    });
+
+    this.$container.on('click', '.js-row-remove-button', (e) => {
+      e.preventDefault();
+      this.removeRow($(e.currentTarget).closest('.js-row'));
+    });
+
+    const inputSelector = Object.keys(this.inputMap)
+      .map(name => this.inputMap[name].selector)
+      .join(',');
+
+    // Remove any empty rows except the last row
+    this.$container.on('blur', inputSelector, (e) => {
+      const $row = $(e.currentTarget).closest('.js-row');
+
+      if ($row.is(':not(:last-child)') && !this.checkIfRowTouched($row)) {
+        this.removeRow($row);
+      }
+    });
+
+    // Always make sure there is an empty last row
+    this.$container.on('input trigger-change', inputSelector, () => {
+      const $lastRow = this.$container.find('.js-row').last();
+
+      if (this.checkIfRowTouched($lastRow)) {
+        this.insertRow($lastRow);
+      }
+    });
+  }
+
+  initRow(rowEl) {
+    const $row = $(rowEl);
+
+    setupToggleButtons($row[0]);
+
+    const $environmentSelect = $row.find('.js-variable-environment-toggle');
+    if ($environmentSelect.length) {
+      const createItemDropdown = new CreateItemDropdown({
+        $dropdown: $environmentSelect,
+        defaultToggleLabel: ALL_ENVIRONMENTS_STRING,
+        fieldName: `${this.formField}[variables_attributes][][environment]`,
+        getData: (term, callback) => callback(this.getEnvironmentValues()),
+        createNewItemFromValue: createEnvironmentItem,
+        onSelect: () => {
+          // Refresh the other dropdowns in the variable list
+          // so they have the new value we just picked
+          this.refreshDropdownData();
+
+          $row.find(this.inputMap.environment.selector).trigger('trigger-change');
+        },
+      });
+
+      // Clear out any data that might have been left-over from the row clone
+      createItemDropdown.clearDropdown();
+
+      this.environmentDropdownMap.set($row[0], createItemDropdown);
+    }
+  }
+
+  insertRow($row) {
+    const $rowClone = $row.clone();
+    $rowClone.removeAttr('data-is-persisted');
+
+    // Reset the inputs to their defaults
+    Object.keys(this.inputMap).forEach((name) => {
+      const entry = this.inputMap[name];
+      $rowClone.find(entry.selector).val(entry.default);
+    });
+
+    this.initRow($rowClone);
+
+    $row.after($rowClone);
+  }
+
+  removeRow($row) {
+    const isPersisted = convertPermissionToBoolean($row.attr('data-is-persisted'));
+
+    if (isPersisted) {
+      $row.hide();
+      $row
+        // eslint-disable-next-line no-underscore-dangle
+        .find(this.inputMap._destroy.selector)
+        .val(true);
+    } else {
+      $row.remove();
+    }
+  }
+
+  checkIfRowTouched($row) {
+    return Object.keys(this.inputMap).some((name) => {
+      const entry = this.inputMap[name];
+      const $el = $row.find(entry.selector);
+      return $el.length && $el.val() !== entry.default;
+    });
+  }
+
+  getAllData() {
+    // Ignore the last empty row because we don't want to try persist
+    // a blank variable and run into validation problems.
+    const validRows = this.$container.find('.js-row').toArray().slice(0, -1);
+
+    return validRows.map((rowEl) => {
+      const resultant = {};
+      Object.keys(this.inputMap).forEach((name) => {
+        const entry = this.inputMap[name];
+        const $input = $(rowEl).find(entry.selector);
+        if ($input.length) {
+          resultant[name] = $input.val();
+        }
+      });
+
+      return resultant;
+    });
+  }
+
+  getEnvironmentValues() {
+    const valueMap = this.$container.find(this.inputMap.environment.selector).toArray()
+      .reduce((prevValueMap, envInput) => ({
+        ...prevValueMap,
+        [envInput.value]: envInput.value,
+      }), {});
+
+    return Object.keys(valueMap).map(createEnvironmentItem);
+  }
+
+  refreshDropdownData() {
+    this.$container.find('.js-row').each((index, rowEl) => {
+      const environmentDropdown = this.environmentDropdownMap.get(rowEl);
+      if (environmentDropdown) {
+        environmentDropdown.refreshData();
+      }
+    });
+  }
+}