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Fix jump to ToC for nested headers

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This commit is contained in:
Zack Rauen 2023-09-22 05:52:06 -04:00
parent 40ca949890
commit b266c327e4
1 changed files with 6 additions and 51 deletions
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57
src/public/app/widgets/toc.js
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@ -185,32 +185,16 @@ export default class TocWidget extends RightPanelWidget {
// See https://github.com/zadam/trilium/issues/2828 // See https://github.com/zadam/trilium/issues/2828
const isReadOnly = await this.noteContext.isReadOnly(); const isReadOnly = await this.noteContext.isReadOnly();
let $container;
if (isReadOnly) { if (isReadOnly) {
const $container = await this.noteContext.getContentElement(); $container = await this.noteContext.getContentElement();
const headingElement = $container.find(":header:not(section.include-note :header)")[headingIndex];
if (headingElement != null) {
headingElement.scrollIntoView({ behavior: "smooth" });
}
} else { } else {
const textEditor = await this.noteContext.getTextEditor(); const textEditor = await this.noteContext.getTextEditor();
$container = $(textEditor.sourceElement);
const model = textEditor.model;
const doc = model.document;
const root = doc.getRoot();
const headingNode = findHeadingNodeByIndex(root, headingIndex);
// headingNode could be null if the html was malformed or
// with headings inside elements, just ignore and don't
// navigate (note that the TOC rendering and other TOC
// entries' navigation could be wrong too)
if (headingNode != null) {
$(textEditor.editing.view.domRoots.values().next().value).find(':header:not(section.include-note :header)')[headingIndex].scrollIntoView({
behavior: 'smooth'
});
}
} }
const headingElement = $container?.find(":header:not(section.include-note :header)")?.[headingIndex];
headingElement?.scrollIntoView({ behavior: "smooth" });
} }
async closeTocCommand() { async closeTocCommand() {
@ -231,35 +215,6 @@ export default class TocWidget extends RightPanelWidget {
} }
} }
/**
* Find a heading node in the parent's children given its index.
*
* @param {Element} parent Parent node to find a headingIndex'th in.
* @param {uint} headingIndex Index for the heading
* @returns {Element|null} Heading node with the given index, null couldn't be
* found (ie malformed like nested headings, etc.)
*/
function findHeadingNodeByIndex(parent, headingIndex) {
let headingNode = null;
for (let i = 0; i < parent.childCount; ++i) {
let child = parent.getChild(i);
// Headings appear as flattened top level children in the CKEditor
// document named as "heading" plus the level, eg "heading2",
// "heading3", "heading2", etc. and not nested wrt the heading level. If
// a heading node is found, decrement the headingIndex until zero is
// reached
if (child.name.startsWith("heading")) {
if (headingIndex === 0) {
headingNode = child;
break;
}
headingIndex--;
}
}
return headingNode;
}
class CloseTocButton extends OnClickButtonWidget { class CloseTocButton extends OnClickButtonWidget {
constructor() { constructor() {