forked from tsai/budibase
Andrew Kingston
6 years ago
1 changed files with 0 additions and 354 deletions
@ -1,354 +0,0 @@ |
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<script> |
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import { onMount, afterUpdate } from "svelte" |
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import { fly } from "svelte/transition" |
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import { Label } from "@budibase/bbui" |
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import buildStyle from "@budibase/bbui/src/utils/buildStyle" |
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const xPath = |
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"M19 6.41L17.59 5 12 10.59 6.41 5 5 6.41 10.59 12 5 17.59 6.41 19 12 13.41 17.59 19 19 17.59 13.41 12z" |
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|
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export let value = [] |
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export let label = undefined |
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export let secondary = false |
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export let outline = false |
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export let disabled = false |
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export let placeholder = undefined |
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|
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let options = [] |
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let optionsVisible = false |
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let selected = {} |
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let first = true |
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let slot |
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let anchor |
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let dimensions = { top: 0, left: 0, minWidth: 0, maxHeight: 0 } |
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|
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onMount(() => { |
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const domOptions = Array.from(slot.querySelectorAll("option")) |
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options = domOptions.map(option => ({ |
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value: option.value, |
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name: option.textContent, |
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})) |
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if (value) { |
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options.forEach(option => { |
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if (value.includes(option.value)) { |
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selected[option.value] = option |
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} |
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}) |
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} |
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first = false |
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}) |
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|
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// Update dimensions after each dom update |
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afterUpdate(() => { |
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if (anchor) { |
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updateDimensions() |
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} |
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}) |
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|
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// Keep value up to date with selected options |
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$: { |
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if (!first) { |
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value = Object.values(selected).map(option => option.value) |
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} |
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} |
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|
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// Build CSS styles for options dropdown |
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$: menuStyle = buildStyle({ |
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"max-height": `${dimensions.maxHeight.toFixed(0)}px`, |
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"min-width": `${dimensions.minWidth.toFixed(0)}px`, |
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top: `${dimensions.top}px`, |
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left: `${dimensions.left}px`, |
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}) |
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|
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function updateDimensions() { |
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const { bottom, left, width } = anchor.getBoundingClientRect() |
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dimensions = { |
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top: bottom, |
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left, |
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minWidth: width - 4, |
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maxHeight: window.innerHeight - bottom - 30, |
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} |
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} |
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|
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function add(token) { |
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selected[token.value] = token |
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} |
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|
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function remove(value) { |
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const { [value]: val, ...rest } = selected |
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selected = rest |
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} |
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|
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function showOptions(show) { |
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optionsVisible = show |
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} |
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|
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function handleClick() { |
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showOptions(!optionsVisible) |
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} |
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|
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function handleOptionMousedown(e) { |
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const value = e.target.dataset.value |
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if (value == null) { |
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return |
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} |
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if (selected[value]) { |
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remove(value) |
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} else { |
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add(options.filter(option => option.value === value)[0]) |
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} |
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} |
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</script> |
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|
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<div> |
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{#if label} |
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<Label extraSmall grey>{label}</Label> |
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{/if} |
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<div class="multiselect"> |
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<div class="tokens-wrapper"> |
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<div |
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bind:this={anchor} |
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class="tokens" |
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class:outline |
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class:disabled |
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class:secondary |
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class:optionsVisible |
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on:click|self={handleClick} |
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class:empty={!value || !value.length}> |
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{#each Object.values(selected) as option} |
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<div |
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class="token" |
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class:secondary |
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data-id={option.value} |
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on:click|self={handleClick}> |
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<span>{option.name}</span> |
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<div |
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class="token-remove" |
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title="Remove {option.name}" |
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on:click={() => remove(option.value)}> |
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<svg |
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class="icon-clear" |
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xmlns="http://www.w3.org/2000/svg" |
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width="18" |
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height="18" |
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viewBox="0 0 24 24"> |
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<path d={xPath} /> |
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</svg> |
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</div> |
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</div> |
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{/each} |
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{#if !value || !value.length} |
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{#if placeholder && placeholder.length} |
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<div class:disabled class="placeholder">{placeholder}</div> |
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{:else} |
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<div class="placeholder"> </div> |
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{/if} |
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{/if} |
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</div> |
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</div> |
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|
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<select bind:this={slot} type="multiple" class="hidden"> |
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<slot /> |
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</select> |
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|
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{#if optionsVisible} |
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<div class="options-overlay" on:mousedown|self={() => showOptions(false)}> |
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<ul |
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class="options" |
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style={menuStyle} |
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transition:fly={{ duration: 200, y: 5 }} |
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on:mousedown|preventDefault={handleOptionMousedown}> |
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{#each options as option} |
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<li |
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class:selected={selected[option.value]} |
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data-value={option.value}> |
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{option.name} |
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</li> |
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{/each} |
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{#if !options.length} |
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<li class="no-results">No results</li> |
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{/if} |
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</ul> |
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</div> |
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{/if} |
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</div> |
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</div> |
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|
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<style> |
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.multiselect { |
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position: relative; |
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display: flex; |
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flex-direction: column; |
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justify-content: flex-start; |
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align-items: stretch; |
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font-family: var(--font-sans); |
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} |
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.multiselect:hover { |
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border-bottom-color: hsl(0, 0%, 50%); |
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} |
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|
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.tokens-wrapper { |
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display: flex; |
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flex-direction: row; |
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justify-content: flex-start; |
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align-items: center; |
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flex: 0 1 auto; |
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} |
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|
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.tokens { |
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align-items: center; |
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display: flex; |
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flex-wrap: wrap; |
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position: relative; |
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width: 0; |
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flex: 1 1 auto; |
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background-color: white; |
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border-radius: var(--border-radius-m); |
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padding: 0 var(--spacing-m) calc(var(--spacing-m) - var(--spacing-xs)) |
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calc(var(--spacing-m) / 2); |
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border: var(--border-transparent); |
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} |
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.tokens.disabled { |
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background-color: var(--grey-4); |
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pointer-events: none; |
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} |
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.tokens.outline { |
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border: var(--border-dark); |
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} |
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.tokens.secondary { |
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background-color: var(--grey-2); |
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} |
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.tokens:hover { |
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cursor: pointer; |
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} |
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.tokens::after { |
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background: none repeat scroll 0 0 transparent; |
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bottom: -1px; |
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content: ""; |
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display: block; |
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height: 2px; |
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left: 50%; |
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position: absolute; |
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transition: width 0.3s ease 0s, left 0.3s ease 0s; |
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width: 0; |
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} |
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.tokens.optionsVisible { |
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border: var(--border-blue); |
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} |
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.tokens.empty { |
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padding: var(--spacing-m); |
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font-size: var(--font-size-xs); |
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user-select: none; |
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} |
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.tokens::after { |
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width: 100%; |
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left: 0; |
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} |
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|
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.token { |
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font-size: var(--font-size-xs); |
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background-color: var(--grey-2); |
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border-radius: var(--border-radius-l); |
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display: flex; |
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flex-direction: row; |
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align-items: center; |
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margin: calc(var(--spacing-m) - var(--spacing-xs)) 0 0 |
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calc(var(--spacing-m) / 2); |
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max-height: 1.3rem; |
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padding: var(--spacing-xs) var(--spacing-s); |
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transition: background-color 0.3s; |
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white-space: nowrap; |
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overflow: hidden; |
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} |
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.token.secondary { |
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background-color: white; |
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} |
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.token span { |
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pointer-events: none; |
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user-select: none; |
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flex: 1 1 auto; |
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overflow: hidden; |
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white-space: nowrap; |
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text-overflow: ellipsis; |
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} |
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.token .token-remove { |
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align-items: center; |
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background-color: var(--grey-4); |
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border-radius: 50%; |
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color: var(--white); |
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display: flex; |
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justify-content: center; |
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height: 1rem; |
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width: 1rem; |
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margin: calc(-1 * var(--spacing-xs)) 0 calc(-1 * var(--spacing-xs)) |
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var(--spacing-xs); |
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flex: 0 0 auto; |
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} |
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.token .token-remove:hover { |
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background-color: var(--grey-5); |
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cursor: pointer; |
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} |
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|
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.placeholder { |
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pointer-events: none; |
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} |
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.placeholder.disabled { |
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color: var(--grey-6); |
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} |
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|
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.icon-clear path { |
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fill: white; |
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} |
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|
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.options-overlay { |
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position: fixed; |
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top: 0; |
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left: 0; |
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width: 100vw; |
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height: 100vh; |
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z-index: 999; |
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} |
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|
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.options { |
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left: 0; |
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list-style: none; |
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margin-block-end: 0; |
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margin-block-start: 0; |
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overflow-y: auto; |
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padding-inline-start: 0; |
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position: absolute; |
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border: var(--border-dark); |
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border-radius: var(--border-radius-m); |
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box-shadow: 0 5px 12px rgba(0, 0, 0, 0.15); |
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margin: var(--spacing-xs) 0; |
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padding: var(--spacing-s) 0; |
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background-color: white; |
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max-height: 200px; |
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} |
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li { |
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background-color: white; |
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cursor: pointer; |
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padding: var(--spacing-s) var(--spacing-m); |
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font-size: var(--font-size-xs); |
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} |
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li.selected { |
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background-color: var(--blue); |
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color: white; |
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} |
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li:not(.selected):hover { |
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background-color: var(--grey-1); |
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} |
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li.no-results:hover { |
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background-color: white; |
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cursor: initial; |
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} |
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|
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.hidden { |
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height: 0; |
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overflow: hidden; |
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visibility: hidden; |
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padding: 0; |
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margin: 0; |
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border: 0; |
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outline: 0; |
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} |
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</style> |
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