polygerrit-ui/app/elements/shared/gr-dropdown-list/gr-dropdown-list_html.ts

/**
 * @license
 * Copyright 2020 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import {html} from '@polymer/polymer/lib/utils/html-tag';

export const htmlTemplate = html`
  <style include="shared-styles">
    :host {
      display: inline-block;
    }
    #triggerText {
      -moz-user-select: text;
      -ms-user-select: text;
      -webkit-user-select: text;
      user-select: text;
    }
    .dropdown-trigger {
      cursor: pointer;
      padding: 0;
    }
    .dropdown-content {
      background-color: var(--dropdown-background-color);
      box-shadow: var(--elevation-level-2);
      max-height: 70vh;
      min-width: 266px;
    }
    paper-listbox {
      --paper-listbox: {
        padding: 0;
      }
    }
    paper-item {
      cursor: pointer;
      flex-direction: column;
      font-size: inherit;
      /* This variable was introduced in Dec 2019. We keep both min-height
         * rules around, because --paper-item-min-height is not yet upstreamed.
         */
      --paper-item-min-height: 0;
      --paper-item: {
        min-height: 0;
        padding: 10px 16px;
      }
      --paper-item-focused-before: {
        background-color: var(--selection-background-color);
      }
      --paper-item-focused: {
        background-color: var(--selection-background-color);
      }
    }
    paper-item:hover {
      background-color: var(--hover-background-color);
    }
    paper-item:not(:last-of-type) {
      border-bottom: 1px solid var(--border-color);
    }
    .bottomContent {
      color: var(--deemphasized-text-color);
    }
    .bottomContent,
    .topContent {
      display: flex;
      justify-content: space-between;
      flex-direction: row;
      width: 100%;
    }
    gr-button {
      font-family: var(--trigger-style-font-family);
      --gr-button-text-color: var(--trigger-style-text-color);
    }
    gr-date-formatter {
      color: var(--deemphasized-text-color);
      margin-left: var(--spacing-xxl);
      white-space: nowrap;
    }
    gr-select {
      display: none;
    }
    /* Because the iron dropdown 'area' includes the trigger, and the entire
       width of the dropdown, we want to treat tapping the area above the
       dropdown content as if it is tapping whatever content is underneath it.
       The next two styles allow this to happen. */
    iron-dropdown {
      max-width: none;
      pointer-events: none;
    }
    paper-listbox {
      pointer-events: auto;
    }
    @media only screen and (max-width: 50em) {
      gr-select {
        display: inline;
        @apply --gr-select-style;
      }
      gr-button,
      iron-dropdown {
        display: none;
      }
      select {
        @apply --native-select-style;
      }
    }
  </style>
  <gr-button
    disabled="[[disabled]]"
    down-arrow=""
    link=""
    id="trigger"
    class="dropdown-trigger"
    on-click="_showDropdownTapHandler"
    slot="dropdown-trigger"
    no-uppercase
  >
    <span id="triggerText">[[text]]</span>
    <gr-copy-clipboard
      hidden="[[!showCopyForTriggerText]]"
      hideInput=""
      text="[[text]]"
    ></gr-copy-clipboard>
  </gr-button>
  <iron-dropdown
    id="dropdown"
    vertical-align="top"
    horizontal-align="left"
    dynamic-align
    no-overlap
    allow-outside-scroll="true"
    on-click="_handleDropdownClick"
  >
    <paper-listbox
      class="dropdown-content"
      slot="dropdown-content"
      attr-for-selected="data-value"
      selected="{{value}}"
    >
      <template
        is="dom-repeat"
        items="[[items]]"
        initial-count="[[initialCount]]"
      >
        <paper-item disabled="[[item.disabled]]" data-value$="[[item.value]]">
          <div class="topContent">
            <div>[[item.text]]</div>
            <template is="dom-if" if="[[item.date]]">
              <gr-date-formatter date-str="[[item.date]]"></gr-date-formatter>
            </template>
            <template is="dom-if" if="[[item.file]]">
              <gr-file-status-chip file="[[item.file]]"></gr-file-status-chip>
            </template>
          </div>
          <template is="dom-if" if="[[item.bottomText]]">
            <div class="bottomContent">
              <div>[[item.bottomText]]</div>
            </div>
          </template>
        </paper-item>
      </template>
    </paper-listbox>
  </iron-dropdown>
  <gr-select bind-value="{{value}}">
    <select>
      <template is="dom-repeat" items="[[items]]">
        <option
          disabled$="[[item.disabled]]"
          value="[[computeStringValue(item.value)]]"
        >
          [[_computeMobileText(item)]]
        </option>
      </template>
    </select>
  </gr-select>
`;