| <!DOCTYPE html> |
| <html> |
| <title>CSS Grid: Grid tracks changes recomputed child positions.</title> |
| <link rel="author" title="Julien Chaffraix" href="mailto:jchaffraix@chromium.org"/> |
| <link rel="help" href="https://drafts.csswg.org/css-grid/#placement"/> |
| <meta name="assert" content="Checks that grid-template-{rows|columns} dynamic updates recomputes the positions of automatically placed grid items."/> |
| <link rel="issue" href="https://crbug.com/248151"/> |
| <link href="/css/support/grid.css" rel="stylesheet"/> |
| <link rel="stylesheet" type="text/css" href="/fonts/ahem.css"/> |
| <style> |
| .grid { |
| grid-auto-flow: row dense; |
| grid-auto-rows: 5px; |
| grid-auto-columns: 5px; |
| } |
| #firstGridItem { |
| grid-row: auto; |
| grid-column: 1; |
| } |
| |
| #secondGridItem { |
| grid-row: 1; |
| grid-column: auto; |
| } |
| |
| #thirdGridItem { |
| grid-row: auto; |
| grid-column: auto; |
| } |
| </style> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/resources/check-layout-th.js"></script> |
| <script> |
| function testGridDefinitions(gridTemplateRows, gridTemplateColumns, gridTemplateAreas, firstGridItemData, secondGridItemData, thirdGridItemData) |
| { |
| var gridElement = document.getElementsByClassName("grid")[0]; |
| gridElement.style.gridTemplateRows = gridTemplateRows; |
| gridElement.style.gridTemplateColumns = gridTemplateColumns; |
| gridElement.style.gridTemplateAreas = gridTemplateAreas; |
| |
| var firstGridItem = document.getElementById("firstGridItem"); |
| firstGridItem.setAttribute("data-expected-width", firstGridItemData.width); |
| firstGridItem.setAttribute("data-expected-height", firstGridItemData.height); |
| firstGridItem.setAttribute("data-offset-x", firstGridItemData.x); |
| firstGridItem.setAttribute("data-offset-y", firstGridItemData.y); |
| |
| var secondGridItem = document.getElementById("secondGridItem"); |
| secondGridItem.setAttribute("data-expected-width", secondGridItemData.width); |
| secondGridItem.setAttribute("data-expected-height", secondGridItemData.height); |
| secondGridItem.setAttribute("data-offset-x", secondGridItemData.x); |
| secondGridItem.setAttribute("data-offset-y", secondGridItemData.y); |
| |
| var thirdGridItem = document.getElementById("thirdGridItem"); |
| thirdGridItem.setAttribute("data-expected-width", thirdGridItemData.width); |
| thirdGridItem.setAttribute("data-expected-height", thirdGridItemData.height); |
| thirdGridItem.setAttribute("data-offset-x", thirdGridItemData.x); |
| thirdGridItem.setAttribute("data-offset-y", thirdGridItemData.y); |
| |
| checkLayout(".grid", false); |
| } |
| |
| function testChangingGridDefinitions() |
| { |
| testGridDefinitions('10px 20px', '10px', '', { 'width': '10', 'height': '20', 'x': '0', 'y': '10' }, { 'width': '10', 'height': '10', 'x': '0', 'y': '0' }, { 'width': '10', 'height': '5', 'x': '0', 'y': '30' }); |
| testGridDefinitions('10px', '10px', '"a"', { 'width': '10', 'height': '5', 'x': '0', 'y': '10' }, { 'width': '10', 'height': '10', 'x': '0', 'y': '0' }, { 'width': '10', 'height': '5', 'x': '0', 'y': '15' }); |
| testGridDefinitions('10px', '10px', '"a ."', { 'width': '10', 'height': '5', 'x': '0', 'y': '10' }, { 'width': '10', 'height': '10', 'x': '0', 'y': '0' }, { 'width': '5', 'height': '10', 'x': '10', 'y': '0' }); |
| testGridDefinitions('50px', '30px 40px', '', { 'width': '30', 'height': '5', 'x': '0', 'y': '50' }, { 'width': '30', 'height': '50', 'x': '0', 'y': '0' }, { 'width': '40', 'height': '50', 'x': '30', 'y': '0' }); |
| testGridDefinitions('50px', '60px', '', { 'width': '60', 'height': '5', 'x': '0', 'y': '50' }, { 'width': '60', 'height': '50', 'x': '0', 'y': '0' }, { 'width': '60', 'height': '5', 'x': '0', 'y': '55' }); |
| testGridDefinitions('50px 100px 150px', '60px', '', { 'width': '60', 'height': '100', 'x': '0', 'y': '50' }, { 'width': '60', 'height': '50', 'x': '0', 'y': '0' }, { 'width': '60', 'height': '150', 'x': '0', 'y': '150' }); |
| |
| done(); |
| } |
| |
| </script> |
| <script type="text/javascript"> |
| setup({ explicit_done: true }); |
| </script> |
| <body onload="document.fonts.ready.then(() => { testChangingGridDefinitions(); })"> |
| <div style="position: relative"> |
| <div class="grid"> |
| <div class="sizedToGridArea" id="firstGridItem"></div> |
| <div class="sizedToGridArea" id="secondGridItem"></div> |
| <div class="sizedToGridArea" id="thirdGridItem"></div> |
| </div> |
| </div> |
| </body> |
| </html> |
