Function _fnAddOptionsHtml

external/.datatables.js:3494–3537

* Add the options to the page HTML for the table * @param {object} settings DataTables settings object * @memberof DataTable#oApi

(settings)

	 *  @memberof DataTable#oApi
	 */
	function _fnAddOptionsHtml(settings) {
		var classes = settings.oClasses
		var table = $(settings.nTable)

		// Wrapper div around everything DataTables controls
		var insert = $("<div/>")
			.attr({
				id: settings.sTableId + "_wrapper",
				class: classes.container
			})
			.insertBefore(table)

		settings.nTableWrapper = insert[0]

		if (settings.sDom) {
			// Legacy
			_fnLayoutDom(settings, settings.sDom, insert)
		} else {
			var top = _layoutArray(settings, settings.layout, "top")
			var bottom = _layoutArray(settings, settings.layout, "bottom")
			var renderer = _fnRenderer(settings, "layout")

			// Everything above - the renderer will actually insert the contents into the document
			top.forEach(function (item) {
				renderer(settings, insert, item)
			})

			// The table - always the center of attention
			renderer(settings, insert, {
				full: {
					table: true,
					contents: [_fnFeatureHtmlTable(settings)]
				}
			})

			// Everything below
			bottom.forEach(function (item) {
				renderer(settings, insert, item)
			})
		}

		// Processing floats on top, so it isn't an inserted feature
		_processingHtml(settings)
	}

	/**
	 * Draw the table with the legacy DOM property