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Merge pull request #1213 from centerofci/context_menu
Add ContextMenu component
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90 changes: 90 additions & 0 deletions
90
mathesar_ui/src/component-library/context-menu/ContextMenu.svelte
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<script lang="ts"> | ||
import Menu from '@mathesar-component-library-dir/menu/Menu.svelte'; | ||
import popper from '@mathesar-component-library-dir/common/actions/popper'; | ||
import portal from '@mathesar-component-library-dir/common/actions/portal'; | ||
import clickOffBounds from '@mathesar-component-library-dir/common/actions/clickOffBounds'; | ||
import { onMount } from 'svelte'; | ||
/** | ||
* A reference to the DOM node where we'll attach the contextmenu event | ||
* listener. Right-clicking anywhere inside this element will open the context | ||
* menu. If you don't pass an element, we'll use the parent element wherever | ||
* this component is mounted. | ||
*/ | ||
let customTriggerElement: HTMLElement | undefined = undefined; | ||
export { customTriggerElement as triggerElement }; | ||
export let closeOnInnerClick = true; | ||
interface MousePosition { | ||
x: number; | ||
y: number; | ||
} | ||
let isVisible = false; | ||
let element: HTMLDivElement | undefined; | ||
let mousePosition: MousePosition = { x: 0, y: 0 }; | ||
function getVirtualReferenceElement(_mousePosition: MousePosition) { | ||
const { x, y } = _mousePosition; | ||
return { | ||
getBoundingClientRect: () => ({ | ||
width: 0, | ||
height: 0, | ||
x, | ||
y, | ||
top: y, | ||
right: x, | ||
bottom: y, | ||
left: x, | ||
toJSON: () => ({ x, y }), | ||
}), | ||
}; | ||
} | ||
function handleContextMenu(event: MouseEvent) { | ||
event.preventDefault(); | ||
mousePosition = { | ||
x: event.clientX, | ||
y: event.clientY, | ||
}; | ||
isVisible = !isVisible; | ||
} | ||
onMount(() => { | ||
const triggerElement = | ||
customTriggerElement ?? element?.parentElement ?? undefined; | ||
if (!triggerElement) { | ||
return () => {}; | ||
} | ||
triggerElement.addEventListener('contextmenu', handleContextMenu); | ||
return () => { | ||
triggerElement.removeEventListener('contextmenu', handleContextMenu); | ||
}; | ||
}); | ||
function close() { | ||
isVisible = false; | ||
} | ||
function checkAndCloseOnInnerClick() { | ||
if (closeOnInnerClick) { | ||
close(); | ||
} | ||
} | ||
</script> | ||
|
||
<div bind:this={element} class="context-menu-wrapper"> | ||
{#if isVisible} | ||
<div | ||
class="context-menu dropdown content" | ||
use:clickOffBounds={{ callback: close }} | ||
use:popper={{ reference: getVirtualReferenceElement(mousePosition) }} | ||
use:portal | ||
on:click={checkAndCloseOnInnerClick} | ||
> | ||
<Menu> | ||
<slot /> | ||
</Menu> | ||
</div> | ||
{/if} | ||
</div> |
75 changes: 75 additions & 0 deletions
75
mathesar_ui/src/component-library/context-menu/__meta__/ContextMenu.stories.svelte
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<script> | ||
import { | ||
faFillDrip, | ||
faPlus, | ||
faTimes, | ||
} from '@fortawesome/free-solid-svg-icons'; | ||
import { Meta, Story } from '@storybook/addon-svelte-csf'; | ||
import MenuItem from '@mathesar-component-library-dir/menu/MenuItem.svelte'; | ||
import Checkbox from '@mathesar-component-library-dir/checkbox/Checkbox.svelte'; | ||
import ContextMenu from '../ContextMenu.svelte'; | ||
const meta = { | ||
title: 'Components/ContextMenu', | ||
}; | ||
let count = 0; | ||
let hasBackground = true; | ||
function incrementCount() { | ||
count += 1; | ||
} | ||
function toggleBackground() { | ||
hasBackground = !hasBackground; | ||
} | ||
</script> | ||
|
||
<Meta {...meta} /> | ||
|
||
<Story name="Basic"> | ||
<div class="box without-context"> | ||
<p>This box does <em>not</em> have a context menu.</p> | ||
</div> | ||
|
||
<div class="box with-context" class:has-background={hasBackground}> | ||
<p>This box has a context menu.</p> | ||
<p>The count is: <strong>{count}</strong>.</p> | ||
<ContextMenu> | ||
<MenuItem icon={{ data: faFillDrip }} on:click={toggleBackground}> | ||
<Checkbox slot="control" checked={hasBackground} /> | ||
Use Background | ||
</MenuItem> | ||
<MenuItem icon={{ data: faPlus }} on:click={incrementCount}> | ||
Increment Counter | ||
</MenuItem> | ||
</ContextMenu> | ||
</div> | ||
|
||
<div class="box with-context" has-background> | ||
<p>This box <em>also</em> has a context menu.</p> | ||
<ContextMenu> | ||
<MenuItem icon={{ data: faTimes }}>I don't do anything</MenuItem> | ||
</ContextMenu> | ||
</div> | ||
|
||
<div class="box without-context"> | ||
<p>This box does <em>not</em> have a context menu.</p> | ||
</div> | ||
</Story> | ||
|
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<style> | ||
.box { | ||
padding: 0 1em; | ||
border: solid 0.1em #ccc; | ||
border-radius: 0.5em; | ||
margin: 1em 0; | ||
} | ||
.with-context.has-background { | ||
background: rgb(220, 255, 199); | ||
} | ||
.without-context { | ||
background: rgb(255, 220, 199); | ||
} | ||
</style> |
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