Sage dynamic select input - select2

docs/lib/sage_rails/app/sage_components/sage_dynamic_select.rb

@@ -0,0 +1,18 @@
+class SageDynamicSelect < SageComponent
+  set_attribute_schema({
+    url: String,
+    label: String,
+    name: String,
+    id: String,
+    has_error: [:optional, TrueClass],
+    message: [:optional, String],
+    default_value: [:optional, String, Integer],
+    default_text: [:optional, String],
+    paginate: [:optional, TrueClass],
+    search: [:optional, TrueClass],
+    clear: [:optional, TrueClass],
+    placeholder: [:optional, String],
+    theme: [:optional, String],
+    required: [:optional, TrueClass],
+  })
+end

docs/lib/sage_rails/app/views/sage_components/_sage_dynamic_select.html.erb

@@ -0,0 +1,29 @@
+
+<div class="
+  sage-dynamic-select
+  <%= "sage-select--error" if component.has_error %>
+  <%= component.generated_css_classes %>">
+  <% if component.theme == 'sage' %>
+    <label class="sage-select__label" for="<%= component.id %>"><%= component.label || component.id %></label>
+  <% end %>
+  <select
+      class="sage-dynamic-select__data"
+      <%= component.generated_html_attributes.html_safe %>
+      name="<%= component.name %>"
+      id="<%= component.id %>"
+      tabindex="-1"
+      aria-hidden="true"
+      data-js-dynamic-select="true"
+      data-url=<%= component.url %>
+      data-default-value="<%= component.default_value if component.default_value.present? %>"
+      data-default-text="<%= component.default_text if component.default_text.present? %>"
+      data-paginate="<%= component.paginate if component.paginate.present? %>"
+      data-search="<%= component.search if component.search.present? %>"
+      data-clear="<%= component.clear if component.clear.present? %>"
+      data-placeholder="<%= component.placeholder || component.label || component.id %>"
+      data-theme="<%= component.theme if component.theme.present? %>"
+      <%= 'required' if component.required.present? %>
+      >
+  </select>
+  <div class="sage-select__message"><%= component.message %></div>
+</div>

packages/sage-assets/lib/stylesheets/components/_dynamic_select.scss

@@ -0,0 +1,95 @@
+$-dynamic-select-default-height: rem(44);
+$-dynamic-select-default-padding: rem(4.4) sage-spacing(sm) 0;
+$-dynamic-select-border-color: sage-color(gray, 400);
+$-dynamic-select-placeholder-color: sage-color(gray, 400);
+$-dynamic-select-color-success: map-get($sage-field-colors, success);
+$-dynamic-select-border-box-shadow-size: map-get($sage-field-configs, box-shadow-size);
+$-dynamic-select-selected-height: rem(52);
+$-dynamic-select-selected-padding: rem(10.8) sage-spacing(sm) 0;
+$-dynamic-select-selected-tag-color: sage-color(primary, 400);
+$-dynamic-select-selected-tag-background-color: sage-color(primary, 100);
+$-dynamic-select-selected-tag-border-radius: sage-border(radius-x-large);
+$-dynamic-select-selected-tag-padding: 0 sage-spacing(xs);
+$-dynamic-select-selected-tag-height: rem(30);
+$-dynamic-select-clear-font-weight: sage-font-weight(regular);
+$-dynamic-select-open-arrow: rotate(180deg) scaleX(-1);
+
+// empty state //
+.sage-dynamic-select {
+  position: relative;
+  &__data {
+    bottom: sage-spacing(xs);
+    left: 50%;
+  }
+  .select2-container--sage {
+    .sage-select__arrow::before {
+      top: rem(3);
+    }
+
+    .select2-dropdown--below {
+      margin-top: sage-spacing(xs);
+    }
+
+    .select2-selection--single.sage-select__field {
+      height: $-dynamic-select-default-height;
+      padding: $-dynamic-select-default-padding;
+
+    }
+
+    .select2-selection--single.sage-select__field .select2-selection__placeholder {
+      color: $-dynamic-select-placeholder-color;
+    }
+    .select2-selection--single.sage-select__field .select2-selection__clear {
+      float: right;
+    }
+    .select2-selection--single.sage-select__field .select2-selection__arrow b {
+      display: none;
+    }
+
+    // open state //
+    &.select2-container--open .select2-selection--single.sage-select__field {
+      border-color: $-dynamic-select-color-success;
+      box-shadow: $-dynamic-select-border-box-shadow-size $-dynamic-select-color-success;
+    }
+
+    &.select2-container--open  .sage-select__arrow::before {
+      transform: $-dynamic-select-open-arrow;
+    }
+
+    &.select2-container--open  .sage-select__arrow::before,
+    &:hover .sage-select__arrow::before {
+      color: $-dynamic-select-color-success;
+    }
+
+    // focused state //
+    &.select2-container--focus .select2-selection--single.sage-select__field {
+      border-color: $-dynamic-select-border-color;
+    }
+  }
+}
+
+// selected state //
+.sage-dynamic-select.sage-select--value-selected .select2-container--sage {
+  .sage-select__arrow::before {
+    top: rem(6);
+  }
+  .select2-selection--single.sage-select__field {
+    height: $-dynamic-select-selected-height;
+    padding: $-dynamic-select-selected-padding;
+    border-color: $-dynamic-select-border-color;
+    .select2-selection__rendered {
+      @extend %t-sage-body-small-semi;
+      display: inline-flex;
+      flex-direction: row-reverse;
+      align-items: center;
+      height: $-dynamic-select-selected-tag-height;
+      padding: $-dynamic-select-selected-tag-padding;
+      color: $-dynamic-select-selected-tag-color;
+      background-color: $-dynamic-select-selected-tag-background-color;
+      border-radius: $-dynamic-select-selected-tag-border-radius;
+    }
+    .select2-selection__rendered .select2-selection__clear {
+      font-weight: $-dynamic-select-clear-font-weight;
+    }
+  }
+}

packages/sage-assets/lib/stylesheets/components/_form_select.scss

@@ -15,7 +15,7 @@ $-select-color-default: map-get($sage-field-colors, default);
 $-select-color-error: map-get($sage-field-colors, error);
 $-select-color-label-background: map-get($sage-field-colors, label-background);
 $-select-color-success: map-get($sage-field-colors, success);
-$-select-filled-top-padding: rem(6);
+$-select-filled-top-padding: rem(4.4);
 $-select-height: map-get($sage-field-configs, height);
 $-select-padding-x: map-get($sage-field-configs, padding);
 $-select-padding-label: map-get($sage-field-configs, padding-label);

packages/sage-assets/lib/stylesheets/index.scss

@@ -46,6 +46,7 @@
 @import "components/data_card";
 @import "components/description";
 @import "components/dropdown";
+@import "components/dynamic_select";
 @import "components/empty_state";
 @import "components/expandable_card";
 @import "components/feature_toggle";

packages/sage-system/lib/dynamicSelect.js

@@ -0,0 +1,115 @@
+Sage.dynamicSelect = (function() {
+  function init(el) {
+    this.data = $(el);
+    this.opts = {
+      // Sets the url for the dynamic dropdown
+      url: data.data('url'),
+      // Enable pagination, the dropdown will infinitely scroll until the result
+      // set returns 0 results.
+      paginate: data.data('paginate'),
+      // Enables typeahead search for the resource, passing a "search" param in
+      // the requested url
+      search: data.data('search'),
+      // Adds a clear button so selection can be cleared/set back to the blank state
+      clear: data.data('clear'),
+      // Sets the placeholder for the dynamic dropdown
+      placeholder: data.data('placeholder'),
+      // Sets the theme to default to bootstrap/sage
+      theme: data.data('theme'),
+      // Sets the width of the dynamic dropdown
+      width: "100%",
+      // Chooses which attribute to use for setting the value of the given select
+      // box, by default this will be the "id", but sometimes is is useful to set
+      // it to some other attribute
+      valueAttribute: "id",
+    };
+
+    this.select2 = data.select2({
+      minimumResultsForSearch: this.opts.search ? 0 : Infinity,
+      theme: this.opts.theme,
+      width: this.opts.width,
+      placeholder: this.opts.placeholder,
+      allowClear: this.opts.clear,
+      ajax: {
+        delay: 500,
+        url: function () {
+          return $(data).data("url");
+        },
+        cache: true,
+        data: function (params) {
+          return {
+            search: params.term,
+            page: params.page
+          };
+        },
+        processResults: function (data, params) {
+          var results = data.results ? data.results : data;
+          formattedData = $.map(results, function (obj) {
+            obj.id = obj[this.opts.valueAttribute];
+            return obj;
+          }.bind(this));
+
+          params.page = params.page || 1;
+          $(data).select2.data = formattedData;
+          var showMore = data.totalCount ? (params.page * 25) < data.totalCount : true;
+
+          return {
+            results: formattedData,
+            pagination: { more: this.opts.paginate && results.length !== 0 && showMore }
+          };
+        }.bind(this)
+      }
+    });
+
+    this.$container = this.data.next();
+
+    const { $container, select2 } = this
+
+    if (data.data('theme') === 'sage') {
+      // add sage class
+      $(select2).data('select2').$selection.addClass("sage-select__field");
+      // add arrow icon
+      const iconTemplate =  '<i class="sage-select__arrow" aria-hidden="true"></i>';
+      $container.append(iconTemplate);
+    }
+
+    // set a default option for the input
+    const defaultValue = data.data('defaultValue');
+    const defaultText = data.data('defaultText');
+    const newOption = new Option(defaultText, defaultValue, false, false);
+    $(select2).append(newOption).trigger('change');
+
+    // add event listeners
+    $(select2).on('select2:open', function (e) {
+      // callback for when select box is opened
+    });
+    $(select2).on('select2:close', function (e) {
+      // callback for when select box is closed
+    });
+
+    // function for updating input on change //
+    const updateInput = function() {
+      const selectedValue = $(this.data).val();
+      const classActive = 'sage-select--value-selected';
+      const selectWrapper = $($container).parent();
+      const selectLabel = $($container).parent().find('.sage-select__label');
+
+      Sage.util.isEmptyString(selectedValue) ? selectWrapper.removeClass(classActive) : selectWrapper.addClass(classActive)
+      Sage.util.isEmptyString(selectedValue) ? selectLabel.hide() : selectLabel.fadeIn(200);
+      $(this.data).focusout();
+    }.bind(this);
+
+    // input change event listener
+    $(this.data).on('change', function(){ updateInput() });
+
+    updateInput();
+  }
+
+  function unbind() {
+  }
+
+  return {
+    init,
+    unbind,
+  }
+})();

packages/sage-system/lib/index.js

@@ -24,5 +24,6 @@ require('./hero')
 require('./panel-controls')
 require('./popover')
 require('./search')
+require('./dynamicSelect')
 
 require('./init')

packages/sage-system/lib/init.js

@@ -38,6 +38,7 @@ Sage.init = function(elementNamesToInitLegacy) {
   initDocumentPresenceListener('[data-js-modaltrigger]',                         Sage.modal.initTrigger,  false);
   initDocumentPresenceListener('[data-js-tooltip]',                              Sage.tooltip.init,       Sage.tooltip.unbind);
   initDocumentPresenceListener('[data-js-dropdown]',                             Sage.dropdown.init,      Sage.dropdown.unbind);
+  initDocumentPresenceListener('[data-js-dynamic-select]',                       Sage.dynamicSelect.init, Sage.dynamicSelect.unbind);
   initDocumentPresenceListener('[data-js-sortable]',                             Sage.sortable.init,      Sage.sortable.unbind);
   initDocumentPresenceListener('[data-js-tabs]',                                 Sage.tabs.init,          Sage.tabs.unbind);
   initDocumentPresenceListener('[data-js-copy-button]',                          Sage.copyButton.init,    Sage.copyButton.unbind);