gerrit/polygerrit-ui/app/elements/diff/gr-diff/gr-diff.html

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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

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<link rel="import" href="../../../bower_components/polymer/polymer.html">
<link rel="import" href="../../../behaviors/gr-patch-set-behavior/gr-patch-set-behavior.html">
<link rel="import" href="../../../styles/shared-styles.html">
<link rel="import" href="../../core/gr-reporting/gr-reporting.html">
<link rel="import" href="../../shared/gr-button/gr-button.html">
<link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
<link rel="import" href="../gr-diff-builder/gr-diff-builder.html">
<link rel="import" href="../gr-diff-comment-thread/gr-diff-comment-thread.html">
<link rel="import" href="../gr-diff-highlight/gr-diff-highlight.html">
<link rel="import" href="../gr-diff-selection/gr-diff-selection.html">
<link rel="import" href="../gr-syntax-themes/gr-theme-default.html">

<script src="../../../scripts/hiddenscroll.js"></script>

<dom-module id="gr-diff">
  <template>
    <style include="shared-styles">
      :host {
        --light-remove-highlight-color: #fee;
        --dark-remove-highlight-color: rgba(255, 0, 0, 0.15);
        --light-add-highlight-color: #efe;
        --dark-add-highlight-color: rgba(0, 255, 0, 0.15);
        --light-rebased-remove-highlight-color: #fff6ea;
        --dark-rebased-remove-highlight-color: rgba(255, 139, 6, 0.15);
        --light-rebased-add-highlight-color: #edfffa;
        --dark-rebased-add-highlight-color: rgba(11, 255, 155, 0.15);
      }
      :host(.no-left) .sideBySide ::content .left,
      :host(.no-left) .sideBySide ::content .left + td,
      :host(.no-left) .sideBySide ::content .right:not([data-value]),
      :host(.no-left) .sideBySide ::content .right:not([data-value]) + td {
        display: none;
      }
      .diffContainer {
        display: flex;
        font: var(--font-size-small) var(--monospace-font-family);
        @apply --diff-container-styles;
      }
      .diffContainer.hiddenscroll {
        padding-bottom: .8em;
      }
      table {
        border-collapse: collapse;
        border-right: 1px solid #ddd;
        table-layout: fixed;
      }
      .lineNum {
        background-color: #eee;
      }
      .image-diff .gr-diff {
        text-align: center;
      }
      .image-diff img {
        max-width: 50em;
        outline: 1px solid #ccc;
      }
      .image-diff label,
      .binary-diff label {
        font-family: var(--font-family);
        font-style: italic;
      }
      .diff-row {
        outline: none;
      }
      .diff-row.target-row.target-side-left .lineNum.left,
      .diff-row.target-row.target-side-right .lineNum.right,
      .diff-row.target-row.unified .lineNum {
        background-color: #BBDEFB;
        color: #000;
      }
      .blank,
      .content {
        background-color: #fff;
      }
      .full-width {
        width: 100%;
      }
      .full-width .contentText {
        white-space: pre-wrap;
        word-wrap: break-word;
      }
      .lineNum,
      .content {
        /* Set font size based the user's diff preference. */
        font-size: var(--font-size, var(--font-size-small));
        vertical-align: top;
        white-space: pre;
      }
      .contextLineNum,
      .lineNum {
        -webkit-user-select: none;
        -moz-user-select: none;
        -ms-user-select: none;
        user-select: none;

        color: #666;
        padding: 0 .5em;
        text-align: right;
      }
      .canComment .lineNum {
        cursor: pointer;
      }
      .content {
        overflow: hidden;
        /* Set max and min width since setting width on table cells still
           allows them to shrink. */
        max-width: var(--content-width, 80ch);
        min-width: var(--content-width, 80ch);
        width: var(--content-width, 80ch);
      }
      .content.add .intraline,
      .delta.total .content.add {
        background-color: var(--dark-add-highlight-color);
      }
      .content.add {
        background-color: var(--light-add-highlight-color);
      }
      .content.remove .intraline,
      .delta.total .content.remove {
        background-color: var(--dark-remove-highlight-color);
      }
      .content.remove {
        background-color: var(--light-remove-highlight-color);
      }
      .dueToRebase .content.add .intraline,
      .delta.total.dueToRebase .content.add {
        background-color: var(--dark-rebased-add-highlight-color);
      }
      .dueToRebase .content.add {
        background-color: var(--light-rebased-add-highlight-color);
      }
      .dueToRebase .content.remove .intraline,
      .delta.total.dueToRebase .content.remove {
        background-color: var(--dark-rebased-remove-highlight-color);
      }
      .dueToRebase .content.remove {
        background-color: var(--light-rebased-remove-highlight-color);
      }
      .content .contentText:empty:after {
        /* Newline, to ensure empty lines are one line-height tall. */
        content: '\A';
      }
      .contextControl {
        background-color: #fef;
        color: #849;
      }
      .contextControl gr-button {
        display: inline-block;
        font-family: var(--monospace-font-family);
        text-decoration: none;
      }
      .contextControl td:not(.lineNum) {
        text-align: center;
      }
      .displayLine .diff-row.target-row td {
        box-shadow: inset 0 -1px #bbb;
      }
      .br:after {
        /* Line feed */
        content: '\A';
      }
      .tab {
        display: inline-block;
      }
      .tab-indicator:before {
        color: #C62828;
        /* >> character */
        content: '\00BB';
      }
      .trailing-whitespace {
        border-radius: .4em;
        background-color: #FF9AD2;
      }
      #diffHeader {
        background-color: #F9F9F9;
        color: #2A00FF;
        font-family: var(--monospace-font-family);
        font-size: var(--font-size, var(--font-size-small));
        padding: 0.5em 0 0.5em 4em;
      }
      #sizeWarning {
        display: none;
        margin: 1em auto;
        max-width: 60em;
        text-align: center;
      }
      #sizeWarning gr-button {
        margin: 1em;
      }
      #sizeWarning.warn {
        display: block;
      }
      .target-row td.blame {
        background: #eee;
      }
      col.blame {
        display: none;
      }
      td.blame {
        display: none;
        font-family: var(--font-family);
        font-size: var(--font-size, var(--font-size-small));
        padding: 0 .5em;
        white-space: pre;
      }
      :host(.showBlame) col.blame {
        display: table-column;
      }
      :host(.showBlame) td.blame {
        display: table-cell;
      }
      td.blame > span {
        opacity: 0.6;
      }
      td.blame > span.startOfRange {
        opacity: 1;
      }
      td.blame .sha {
        font-family: var(--monospace-font-family);
      }
      .full-width td.blame {
        overflow: hidden;
        width: 200px;
      }
    </style>
    <style include="gr-theme-default"></style>
    <div id="diffHeader" hidden$="[[_computeDiffHeaderHidden(_diffHeaderItems)]]">
      <template
          is="dom-repeat"
          items="[[_diffHeaderItems]]">
        <div>[[item]]</div>
      </template>
    </div>
    <div class$="[[_computeContainerClass(_loggedIn, viewMode, displayLine)]]"
        on-tap="_handleTap">
      <gr-diff-selection diff="[[_diff]]">
        <gr-diff-highlight
            id="highlights"
            logged-in="[[_loggedIn]]"
            comments="{{comments}}">
          <gr-diff-builder
              id="diffBuilder"
              comments="[[comments]]"
              project-name="[[projectName]]"
              diff="[[_diff]]"
              diff-path="[[path]]"
              change-num="[[changeNum]]"
              patch-num="[[patchRange.patchNum]]"
              view-mode="[[viewMode]]"
              line-wrapping="[[lineWrapping]]"
              is-image-diff="[[isImageDiff]]"
              base-image="[[_baseImage]]"
              revision-image="[[_revisionImage]]"
              parent-index="[[_parentIndex]]"
              line-of-interest="[[lineOfInterest]]">
            <table
                id="diffTable"
                class$="[[_diffTableClass]]"
                role="presentation"></table>
          </gr-diff-builder>
        </gr-diff-highlight>
      </gr-diff-selection>
    </div>
    <div id="sizeWarning" class$="[[_computeWarningClass(_showWarning)]]">
      <p>
        Prevented render because "Whole file" is enabled and this diff is very
        large (about [[_diffLength(_diff)]] lines).
      </p>
      <gr-button on-tap="_handleLimitedBypass">
        Render with limited context
      </gr-button>
      <gr-button on-tap="_handleFullBypass">
        Render anyway (may be slow)
      </gr-button>
    </div>
    <gr-rest-api-interface id="restAPI"></gr-rest-api-interface>
    <gr-reporting id="reporting" category="diff"></gr-reporting>
  </template>
  <script src="gr-diff-line.js"></script>
  <script src="gr-diff-group.js"></script>
  <script src="gr-diff.js"></script>
</dom-module>