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feat: Style the announcement cards and use mansory layout
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| <script> | ||
| import { onMount, onDestroy, getContext, setContext, tick } from 'svelte'; | ||
| export let stretchFirst = false, | ||
| gridGap = '0.5em', | ||
| colWidth = 'minmax(Min(20em, 100%), 1fr)', | ||
| items = []; // pass in data if it's dynamically updated | ||
| let grids = [], | ||
| masonryElement; | ||
| export let reset; | ||
| $: if (reset) { | ||
| masonryElement = masonryElement; | ||
| } | ||
| export const refreshLayout = async () => { | ||
| // console.log("REFRESHING LAYOUT") | ||
| grids.forEach(async (grid) => { | ||
| /* get the post relayout number of columns */ | ||
| let ncol = getComputedStyle(grid._el).gridTemplateColumns.split(' ').length; | ||
| grid.items.forEach((c) => { | ||
| let new_h = c.getBoundingClientRect().height; | ||
| if (new_h !== +c.dataset.h) { | ||
| c.dataset.h = new_h; | ||
| grid.mod++; | ||
| } | ||
| }); | ||
| /* if the number of columns has changed */ | ||
| if (grid.ncol !== ncol || grid.mod) { | ||
| /* update number of columns */ | ||
| grid.ncol = ncol; | ||
| /* revert to initial positioning, no margin */ | ||
| grid.items.forEach((c) => c.style.removeProperty('margin-top')); | ||
| /* if we have more than one column */ | ||
| if (grid.ncol > 1) { | ||
| grid.items.slice(ncol).forEach((c, i) => { | ||
| let prev_fin = | ||
| grid.items[i].getBoundingClientRect().bottom /* bottom edge of item above */, | ||
| curr_ini = c.getBoundingClientRect().top; /* top edge of current item */ | ||
| c.style.marginTop = `${prev_fin + grid.gap - curr_ini}px`; | ||
| }); | ||
| } | ||
| grid.mod = 0; | ||
| } | ||
| }); | ||
| }; | ||
| const calcGrid = async (_masonryArr) => { | ||
| await tick(); | ||
| if (_masonryArr.length && getComputedStyle(_masonryArr[0]).gridTemplateRows !== 'masonry') { | ||
| grids = _masonryArr.map((grid) => { | ||
| return { | ||
| _el: grid, | ||
| gap: parseFloat(getComputedStyle(grid).gridRowGap), | ||
| items: [...grid.childNodes].filter( | ||
| (c) => c.nodeType === 1 && +getComputedStyle(c).gridColumnEnd !== -1 | ||
| ), | ||
| ncol: 0, | ||
| mod: 0 | ||
| }; | ||
| }); | ||
| refreshLayout(); /* initial load */ | ||
| } | ||
| }; | ||
| let _window; | ||
| onMount(() => { | ||
| _window = window; | ||
| _window.addEventListener('resize', refreshLayout, false); /* on resize */ | ||
| }); | ||
| onDestroy(() => { | ||
| if (_window) { | ||
| _window.removeEventListener('resize', refreshLayout, false); /* on resize */ | ||
| } | ||
| }); | ||
| $: if (masonryElement) { | ||
| calcGrid([masonryElement]); | ||
| } | ||
| $: if (items) { | ||
| // update if items are changed | ||
| masonryElement = masonryElement; // refresh masonryElement | ||
| } | ||
| </script> | ||
|
|
||
| <!-- | ||
| An almost direct copy and paste of: https://css-tricks.com/a-lightweight-masonry-solution | ||
| Usage: | ||
| - stretchFirst stretches the first item across the top | ||
| <Masonry stretchFirst={true} > | ||
| {#each data as o} | ||
| <div class="_card _padding"> | ||
| Here's some stuff {o.name} | ||
| <header> | ||
| <h3>{o.name}</h3> | ||
| </header> | ||
| <section> | ||
| <p>{o.text}</p> | ||
| </section> | ||
| </div> | ||
| {/each} | ||
| </Masonry> | ||
| --> | ||
|
|
||
| <div | ||
| bind:this={masonryElement} | ||
| class={`__grid--masonry ${stretchFirst ? '__stretch-first' : ''}`} | ||
| style={`--grid-gap: ${gridGap}; --col-width: ${colWidth};`} | ||
| > | ||
| <slot></slot> | ||
| </div> | ||
|
|
||
| <!-- | ||
| $w: var(--col-width); // minmax(Min(20em, 100%), 1fr); | ||
| $s: var(--grid-gap); // .5em; | ||
| --> | ||
|
|
||
| <style> | ||
| :global(.__grid--masonry) { | ||
| display: grid; | ||
| grid-template-columns: repeat(auto-fit, var(--col-width)); | ||
| grid-template-rows: masonry; | ||
| justify-content: center; | ||
| grid-gap: var(--grid-gap); | ||
| padding: var(--grid-gap); | ||
| } | ||
| :global(.__grid--masonry > *) { | ||
| align-self: start; | ||
| } | ||
| :global(.__grid--masonry.__stretch-first > *:first-child) { | ||
| grid-column: 1/ -1; | ||
| } | ||
| </style> |
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