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59 lines
2.2 KiB
JavaScript
59 lines
2.2 KiB
JavaScript
class RepeatingTableHeaders extends Paged.Handler {
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constructor(chunker, polisher, caller) {
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super(chunker, polisher, caller);
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}
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afterPageLayout(pageElement, page, breakToken, chunker) {
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// Find all split table elements
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let tables = pageElement.querySelectorAll("table[data-split-from]");
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tables.forEach((table) => {
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// There is an edge case where the previous page table
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// has zero height (isn't visible).
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// To avoid double header we will only add header if there is none.
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let tableHeader = table.querySelector("thead");
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if (tableHeader) {
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return;
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}
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// Get the reference UUID of the node
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let ref = table.dataset.ref;
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// Find the node in the original source
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let sourceTable = chunker.source.querySelector("[data-ref='" + ref + "']");
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// Find if there is a header
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let sourceHeader = sourceTable.querySelector("thead");
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if (sourceHeader) {
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console.log("Table header was cloned, because it is splitted.");
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// Clone the header element
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let clonedHeader = sourceHeader.cloneNode(true);
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// Insert the header at the start of the split table
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table.insertBefore(clonedHeader, table.firstChild);
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}
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});
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// Find all tables
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tables = pageElement.querySelectorAll("table");
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// special case which might not fit for everyone
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tables.forEach((table) => {
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// if the table has no rows in body, hide it.
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// This happens because my render engine creates empty tables.
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let sourceBody = table.querySelector("tbody > tr");
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if (!sourceBody) {
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console.log("Table was hidden, because it has no rows in tbody.");
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table.style.visibility = "hidden";
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table.style.position = "absolute";
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var lineSpacer = table.nextSibling;
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if (lineSpacer) {
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lineSpacer.style.visibility = "hidden";
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lineSpacer.style.position = "absolute";
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}
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}
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});
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}
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}
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Paged.registerHandlers(RepeatingTableHeaders);
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