Layer grid code (#5029)

* layer grid

* errors; edit data still not showing up

* fix edit data

* fix tab spaces

src/sql/base/browser/ui/table/media/slick.grid.css

@@ -0,0 +1,190 @@
+/*
+IMPORTANT:
+In order to preserve the uniform grid appearance, all cell styles need to have padding, margin and border sizes.
+No built-in (selected, editable, highlight, flashing, invalid, loading, :focus) or user-specified CSS
+classes should alter those!
+*/
+
+.slick-header.ui-state-default, .slick-headerrow.ui-state-default, .slick-footerrow.ui-state-default  {
+	width: 100%;
+	overflow: hidden;
+	border-left: 0px !important;
+}
+
+.slick-header-columns, .slick-headerrow-columns, .slick-footerrow-columns {
+	position: relative;
+	white-space: nowrap;
+	cursor: default;
+	overflow: hidden;
+}
+
+.slick-header-column.ui-state-default {
+	position: relative;
+	/*box-sizing: content-box !important; use this for Firefox! */
+	overflow: hidden;
+	-o-text-overflow: ellipsis;
+	text-overflow: ellipsis;
+	height: 28px;
+	line-height: 16px;
+	margin: 0;
+	padding: 4px;
+	border-right: 1px solid silver;
+	border-left: 0px !important;
+	border-top: 0px !important;
+	border-bottom: 2px solid #bbb;
+	float: left;
+	background-color: #eee;
+	box-sizing: border-box;
+}
+
+.slick-headerrow-column.ui-state-default, .slick-footerrow-column.ui-state-default {
+	padding: 4px;
+}
+
+.slick-header-column-sorted {
+	font-style: italic;
+}
+
+.slick-sort-indicator {
+	width: 8px;
+	height: 5px;
+	margin-left: 4px;
+	margin-top: 6px;
+	float: left;
+}
+
+.slick-sort-indicator-desc {
+	background: url(images/sort-desc.gif);
+}
+
+.slick-sort-indicator-asc {
+	background: url(images/sort-asc.gif);
+}
+
+.slick-resizable-handle {
+	position: absolute;
+	font-size: 0.1px;
+	display: block;
+	cursor: col-resize;
+	width: 4px;
+	right: 0px;
+	top: 0;
+	height: 100%;
+}
+
+.slick-sortable-placeholder {
+	background: silver;
+}
+
+.grid-canvas {
+	position: relative;
+	outline: 0;
+}
+
+.slick-row.ui-widget-content, .slick-row.ui-state-active {
+	position: absolute;
+	border: 0px;
+	width: 100%;
+}
+
+.slick-cell, .slick-headerrow-column , .slick-footerrow-column{
+	position: absolute;
+	border: 1px solid transparent;
+	border-right: 1px dotted silver;
+	border-bottom-color: silver;
+	overflow: hidden;
+	-o-text-overflow: ellipsis;
+	text-overflow: ellipsis;
+	vertical-align: middle;
+	z-index: 1;
+	padding: 1px 2px 2px 1px;
+	margin: 0;
+	white-space: nowrap;
+	cursor: default;
+}
+
+.slick-cell .grid-cell-value-container.missing-value {
+	font-style: italic;
+}
+
+.slick-cell, .slick-headerrow-column{
+	border-bottom-color: silver;
+}
+.slick-footerrow-column {
+	border-top-color: silver;
+}
+
+.slick-group-toggle {
+	display: inline-block;
+}
+
+.slick-cell.highlighted {
+	background: lightskyblue;
+	background: rgba(0, 0, 255, 0.2);
+	-webkit-transition: all 0.5s;
+	-moz-transition: all 0.5s;
+	-o-transition: all 0.5s;
+	transition: all 0.5s;
+}
+
+.slick-cell.flashing {
+	border: 1px solid red !important;
+}
+
+.slick-cell.editable {
+	z-index: 11;
+	overflow: visible;
+	background: white;
+	border-color: black;
+	border-style: solid;
+}
+
+.slick-cell:focus {
+	outline: none;
+}
+
+.slick-cell > .row-number {
+	color: var(--color-content);
+	font-style: italic;
+	font-weight: lighter;
+	display: flex;
+	justify-content: flex-end;
+}
+
+.slick-reorder-proxy {
+	display: inline-block;
+	background: blue;
+	opacity: 0.15;
+	filter: alpha(opacity = 15);
+	cursor: move;
+}
+
+.slick-reorder-guide {
+	display: inline-block;
+	height: 2px;
+	background: blue;
+	opacity: 0.7;
+	filter: alpha(opacity = 70);
+}
+
+.slick-selection {
+	z-index: 10;
+	position: absolute;
+	border: 2px dashed black;
+}
+
+.slick-column-icon {
+	margin-right: 0.5em;
+	width: 1em;
+}
+
+.slick-header-column.ui-state-default.slick-header-with-icon {
+	display: flex;
+}
+
+.slick-header-with-icon .slick-column-name {
+	width: calc(100% - 1em);
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}