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@license
Copyright (C) 2017 The Android Open Source Project

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
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<link rel="import" href="/bower_components/polymer/polymer.html">
<link rel="import" href="/bower_components/iron-selector/iron-selector.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../../../styles/gr-voting-styles.html">
<link rel="import" href="../../../styles/shared-styles.html">

<dom-module id="gr-label-score-row">
  <template>
    <style include="gr-voting-styles">
      /* Workaround for empty style block - see https://github.com/Polymer/tools/issues/408 */
    </style>
    <style include="shared-styles">
      .labelNameCell,
      .buttonsCell,
      .selectedValueCell {
        padding: var(--spacing-s) var(--spacing-m);
        display: table-cell;
      }
      /* We want the :hover highlight to extend to the border of the dialog. */
      .labelNameCell {
        padding-left: var(--spacing-xl);
      }
      .selectedValueCell {
        padding-right: var(--spacing-xl);
      }
      /* This is a trick to let the selectedValueCell take the remaining width. */
      .labelNameCell,
      .buttonsCell {
        white-space: nowrap;
      }
      .selectedValueCell {
        width: 75%;
      }
      .labelMessage {
        color: var(--deemphasized-text-color);
      }
      gr-button {
        min-width: 42px;
        box-sizing: border-box;
        --gr-button: {
          background-color: var(--button-background-color, var(--table-header-background-color));
          color: var(--primary-text-color);
          padding: 0 var(--spacing-m);
          @apply --vote-chip-styles;
        }
      }
      gr-button.iron-selected.max {
        --button-background-color: var(--vote-color-approved);
      }
      gr-button.iron-selected.positive {
        --button-background-color: var(--vote-color-recommended);
      }
      gr-button.iron-selected.min {
        --button-background-color: var(--vote-color-rejected);
      }
      gr-button.iron-selected.negative {
        --button-background-color: var(--vote-color-disliked);
      }
      gr-button.iron-selected.neutral {
        --button-background-color: var(--vote-color-neutral);
      }
      .placeholder {
        display: inline-block;
        width: 42px;
        height: 1px;
      }
      .placeholder::before {
        content: ' ';
      }
      .selectedValueCell {
        color: var(--deemphasized-text-color);
        font-style: italic;
      }
      .selectedValueCell.hidden {
        display: none;
      }
      @media only screen and (max-width: 50em) {
        .selectedValueCell {
          display: none;
        }
      }
    </style>
    <span class="labelNameCell">[[label.name]]</span>
    <div class="buttonsCell">
      <template is="dom-repeat"
          items="[[_computeBlankItems(permittedLabels, label.name, 'start')]]"
          as="value">
        <span class="placeholder" data-label$="[[label.name]]"></span>
      </template>
      <iron-selector
          id="labelSelector"
          attr-for-selected="data-value"
          selected="[[_computeLabelValue(labels, permittedLabels, label)]]"
          hidden$="[[!_computeAnyPermittedLabelValues(permittedLabels, label.name)]]"
          on-selected-item-changed="_setSelectedValueText">
        <template is="dom-repeat"
            items="[[_items]]"
            as="value">
          <gr-button
              class$="[[_computeButtonClass(value, index, _items.length)]]"
              has-tooltip
              data-name$="[[label.name]]"
              data-value$="[[value]]"
              title$="[[_computeLabelValueTitle(labels, label.name, value)]]">
            [[value]]</gr-button>
        </template>
      </iron-selector>
      <template is="dom-repeat"
          items="[[_computeBlankItems(permittedLabels, label.name, 'end')]]"
          as="value">
        <span class="placeholder" data-label$="[[label.name]]"></span>
      </template>
      <span class="labelMessage"
          hidden$="[[_computeAnyPermittedLabelValues(permittedLabels, label.name)]]">
        You don't have permission to edit this label.
      </span>
    </div>
    <div class$="selectedValueCell [[_computeHiddenClass(permittedLabels, label.name)]]">
      <span id="selectedValueLabel">[[_selectedValueText]]</span>
    </div>
  </template>
  <script src="gr-label-score-row.js"></script>
</dom-module>