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LibWeb: Implement HTMLTableRowElement.insertCell
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sideshowbarker
2024-07-17 04:42:00 +09:00
Author: https://github.com/Lubrsi Commit: https://github.com/SerenityOS/serenity/commit/6c9b3fb62e Pull-request: https://github.com/SerenityOS/serenity/pull/15964 Reviewed-by: https://github.com/awesomekling
@ -5,11 +5,13 @@
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*/
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#include <LibWeb/Bindings/Intrinsics.h>
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#include <LibWeb/DOM/ElementFactory.h>
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#include <LibWeb/DOM/HTMLCollection.h>
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#include <LibWeb/HTML/HTMLTableCellElement.h>
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#include <LibWeb/HTML/HTMLTableElement.h>
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#include <LibWeb/HTML/HTMLTableRowElement.h>
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#include <LibWeb/HTML/HTMLTableSectionElement.h>
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#include <LibWeb/Namespace.h>
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namespace Web::HTML {
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@ -85,4 +87,29 @@ int HTMLTableRowElement::section_row_index() const
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return -1;
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}
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// https://html.spec.whatwg.org/multipage/tables.html#dom-tr-insertcell
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WebIDL::ExceptionOr<JS::NonnullGCPtr<HTMLTableCellElement>> HTMLTableRowElement::insert_cell(i32 index)
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{
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auto cells_collection = cells();
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auto cells_collection_size = static_cast<i32>(cells_collection->length());
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// 1. If index is less than −1 or greater than the number of elements in the cells collection, then throw an "IndexSizeError" DOMException.
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if (index < -1 || index > cells_collection_size)
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return WebIDL::IndexSizeError::create(realm(), "Index is negative or greater than the number of cells");
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// 2. Let table cell be the result of creating an element given this tr element's node document, td, and the HTML namespace.
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auto& table_cell = static_cast<HTMLTableCellElement&>(*DOM::create_element(document(), HTML::TagNames::td, Namespace::HTML));
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// 3. If index is equal to −1 or equal to the number of items in cells collection, then append table cell to this tr element.
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if (index == -1 || index == cells_collection_size)
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TRY(append_child(table_cell));
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// 4. Otherwise, insert table cell as a child of this tr element, immediately before the indexth td or th element in the cells collection.
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else
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insert_before(table_cell, cells_collection->item(index));
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// 5. Return table cell.
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return JS::NonnullGCPtr(table_cell);
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}
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}
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@ -1,5 +1,6 @@
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#import <DOM/HTMLCollection.idl>
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#import <HTML/HTMLElement.idl>
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#import <HTML/HTMLTableCellElement.idl>
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// https://html.spec.whatwg.org/multipage/tables.html#htmltablerowelement
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[Exposed=Window]
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@ -16,5 +17,5 @@ interface HTMLTableRowElement : HTMLElement {
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readonly attribute long sectionRowIndex;
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[SameObject] readonly attribute HTMLCollection cells;
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HTMLTableCellElement insertCell(optional long index = -1);
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};
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