mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/DiscussionTools
synced 2024-09-23 10:29:11 +00:00
0ad9b4c6b2
Change the HeadingItem constructor to take a 'null' headingLevel and store this internally with the constant. Change the JSON serializer to convert this back to null. Change-Id: I27508eed75d94b99c5189548919309f8da7deb75
61 lines
2 KiB
JavaScript
61 lines
2 KiB
JavaScript
var ThreadItem = require( './ThreadItem.js' );
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// Placeholder headings must have a level higher than real headings (1-6)
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var PLACEHOLDER_HEADING_LEVEL = 99;
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/**
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* A heading item
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*
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* @class HeadingItem
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* @extends ThreadItem
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* @constructor
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* @param {Object} range
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* @param {number|null} headingLevel Heading level (1-6). Use null for a placeholder heading.
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*/
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function HeadingItem( range, headingLevel ) {
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// Parent constructor
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HeadingItem.super.call( this, 'heading', 0, range );
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this.placeholderHeading = headingLevel === null;
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this.headingLevel = this.placeholderHeading ? PLACEHOLDER_HEADING_LEVEL : headingLevel;
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}
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OO.inheritClass( HeadingItem, ThreadItem );
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HeadingItem.prototype.getLinkableTitle = function () {
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var title = '';
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// If this comment is in 0th section, there's no section title for the edit summary
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if ( !this.placeholderHeading ) {
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// <span class="mw-headline" …>, or <hN …> in Parsoid HTML
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var headline = this.range.startContainer;
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var id = headline.getAttribute( 'id' );
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if ( id ) {
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// Replace underscores with spaces to undo Sanitizer::escapeIdInternal().
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// This assumes that $wgFragmentMode is [ 'html5', 'legacy' ] or [ 'html5' ],
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// otherwise the escaped IDs are super garbled and can't be unescaped reliably.
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title = id.replace( /_/g, ' ' );
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}
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// else: Not a real section, probably just HTML markup in wikitext
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}
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return title;
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};
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/**
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* Check whether this heading can be used for topic subscriptions.
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*
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* @return {boolean}
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*/
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HeadingItem.prototype.isSubscribable = function () {
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return (
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// Placeholder headings have nothing to attach the button to.
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!this.placeholderHeading &&
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// We only allow subscribing to level 2 headings, because the user interface for sub-headings
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// would be difficult to present.
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this.headingLevel === 2 &&
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// Check if the name corresponds to a section that contain no comments (only sub-sections).
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// They can't be distinguished from each other, so disallow subscribing.
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this.name !== 'h-'
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);
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};
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module.exports = HeadingItem;
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