Refactor and tidy up

packages/client/manifest.json

@@ -117,6 +117,9 @@
       "width": 400,
       "height": 200
     },
+    "grid": {
+      "fill": true
+    },
     "styles": ["padding", "size", "background", "border", "shadow"],
     "settings": [
       {
@@ -561,6 +564,10 @@
       "width": 105,
       "height": 32
     },
+    "grid": {
+      "hAlign": "center",
+      "vAlign": "center"
+    },
     "settings": [
       {
         "type": "text",

packages/client/src/components/Component.svelte

@@ -198,7 +198,9 @@
   $: darkMode = !currentTheme?.includes("light")
 
   // Build meta styles and stringify to apply to the wrapper node
+  $: definitionMetaStyles = getDefinitonMetaStyles(definition)
   $: metaStyles = {
+    ...definitionMetaStyles,
     ...instance._styles?.meta,
     ...ephemeralStyles,
   }
@@ -618,6 +620,22 @@
     builderStore.actions.selectComponent(id)
   }
 
+  // Util to generate meta styles based on component definition
+  const alignToStyleMap = {
+    start: "flex-start",
+    center: "center",
+    end: "flex-end",
+    stretch: "stretch",
+  }
+  const getDefinitonMetaStyles = definition => {
+    const gridHAlign = definition.grid?.hAlign || "stretch"
+    const gridVAlign = definition.grid?.vAlign || "center"
+    return {
+      ["align-items"]: alignToStyleMap[gridHAlign],
+      ["justify-content"]: alignToStyleMap[gridVAlign],
+    }
+  }
+
   onMount(() => {
     // Register this component instance for external access
     if ($appStore.isDevApp) {
@@ -661,6 +679,7 @@
     class:parent={hasChildren}
     class:block={isBlock}
     class:error={errorState}
+    class:fill={definition.grid?.fill}
     data-id={id}
     data-name={name}
     data-icon={icon}

packages/client/src/components/app/container/GridContainer.svelte

@@ -123,4 +123,11 @@
     --row-start: var(--grid-mobile-row-start, var(--grid-desktop-row-start, 1));
     --row-end: var(--grid-mobile-row-end, var(--grid-desktop-row-end, 2));
   }
+
+  /* Handle grid children which need to fill the outer component wrapper */
+  .grid :global(> .component.fill > *) {
+    width: 100%;
+    height: 100%;
+    flex: 1 1 0;
+  }
 </style>

packages/client/src/components/preview/DNDHandler.svelte

@@ -13,6 +13,7 @@
   import { Utils } from "@budibase/frontend-core"
   import { findComponentById } from "utils/components.js"
   import { DNDPlaceholderID } from "constants"
+  import { isGridEvent } from "utils/grid"
 
   const ThrottleRate = 130
 
@@ -25,15 +26,6 @@
   // Local flag for whether we are awaiting an async drop event
   let dropping = false
 
-  // Util to check if a DND event originates from a grid (or inside a grid).
-  // This is important as we do not handle grid DND in this handler.
-  const isGridEvent = e => {
-    return e.target
-      ?.closest?.(".component")
-      ?.parentNode?.closest?.(".component")
-      ?.childNodes[0]?.classList.contains("grid")
-  }
-
   // Util to get the inner DOM node by a component ID
   const getDOMNode = id => {
     return document.getElementsByClassName(`${id}-dom`)[0]
@@ -267,7 +259,7 @@
     // Check if we're adding a new component rather than moving one
     if (source.newComponentType) {
       dropping = true
-      await builderStore.actions.dropNewComponent(
+      builderStore.actions.dropNewComponent(
         source.newComponentType,
         drop.parent,
         drop.index

packages/client/src/components/preview/DNDPlaceholderOverlay.svelte

@@ -1,7 +1,7 @@
 <script>
   import { onMount } from "svelte"
   import { DNDPlaceholderID } from "constants"
-  import { domDebounce } from "utils/domDebounce.js"
+  import { Utils } from "@budibase/frontend-core"
 
   let left, top, height, width
 
@@ -19,7 +19,7 @@
       width = bounds.width
     }
   }
-  const debouncedUpdate = domDebounce(updatePosition)
+  const debouncedUpdate = Utils.domDebounce(updatePosition)
 
   onMount(() => {
     const interval = setInterval(debouncedUpdate, 100)

packages/client/src/components/preview/GridDNDHandler.svelte

@@ -2,6 +2,7 @@
   import { onMount, onDestroy } from "svelte"
   import { builderStore, componentStore } from "stores"
   import { Utils, memo } from "@budibase/frontend-core"
+  import { isGridEvent, getGridParentID } from "utils/grid"
 
   // Enum for device preview type, included in CSS variables
   const Devices = {
@@ -67,18 +68,6 @@
   // Sugar for a combination of both min and max
   const minMax = (value, min, max) => Math.min(max, Math.max(min, value))
 
-  // Util to check if a DND event originates from a grid (or inside a grid).
-  // This is important as we do not handle grid DND in this handler.
-  const isGridEvent = e => {
-    return (
-      e.target
-        .closest?.(".component")
-        ?.parentNode.closest(".component")
-        ?.childNodes[0].classList?.contains("grid") ||
-      e.target.classList.contains("anchor")
-    )
-  }
-
   // Util to get the inner DOM node by a component ID
   const getDOMNode = id => {
     const component = document.getElementsByClassName(id)[0]
@@ -172,7 +161,7 @@
 
     // Find grid parent
     const domComponent = getDOMNode(id)
-    const gridId = domComponent?.closest(".grid")?.parentNode.dataset.id
+    const gridId = getGridParentID(domComponent)
     if (!gridId) {
       return
     }

packages/client/src/components/preview/IndicatorSet.svelte

@@ -2,7 +2,7 @@
   import { onMount, onDestroy } from "svelte"
   import Indicator from "./Indicator.svelte"
   import { builderStore, componentStore } from "stores"
-  import { memo } from "@budibase/frontend-core"
+  import { memo, Utils } from "@budibase/frontend-core"
   import { writable } from "svelte/store"
 
   export let componentId = null
@@ -47,12 +47,12 @@
     prefix,
     allowResizeAnchors,
   })
-  $: $config, updatePosition()
+  $: $config, debouncedUpdate()
 
   // Update position when component state changes
   $: instance = componentStore.actions.getComponentInstance(componentId)
   $: componentState = $instance?.state || writable()
-  $: $componentState, updatePosition()
+  $: $componentState, debouncedUpdate()
 
   const checkInsideGrid = id => {
     const component = document.getElementsByClassName(id)[0]
@@ -160,16 +160,17 @@
       })
     })
   }
+  const debouncedUpdate = Utils.domDebounce(updatePosition)
 
   onMount(() => {
-    updatePosition()
+    debouncedUpdate()
-    interval = setInterval(updatePosition, 100)
+    interval = setInterval(debouncedUpdate, 100)
-    document.addEventListener("scroll", updatePosition, true)
+    document.addEventListener("scroll", debouncedUpdate, true)
   })
 
   onDestroy(() => {
     clearInterval(interval)
-    document.removeEventListener("scroll", updatePosition, true)
+    document.removeEventListener("scroll", v, true)
     observers.forEach(o => o.disconnect())
   })
 </script>

packages/client/src/components/preview/SettingsBar.svelte

@@ -4,7 +4,8 @@
   import SettingsColorPicker from "./SettingsColorPicker.svelte"
   import SettingsPicker from "./SettingsPicker.svelte"
   import { builderStore, componentStore, dndIsDragging } from "stores"
-  import { domDebounce } from "utils/domDebounce"
+  import { Utils } from "@budibase/frontend-core"
+  import { isGridChild } from "utils/grid"
 
   const verticalOffset = 36
   const horizontalOffset = 2
@@ -49,8 +50,10 @@
       return
     }
     const id = $builderStore.selectedComponentId
-    const parent = document.getElementsByClassName(id)?.[0]
+    let element = document.getElementsByClassName(id)?.[0]
-    const element = parent?.children?.[0]
+    if (!isGridChild(element)) {
+      element = element?.children?.[0]
+    }
 
     // The settings bar is higher in the dom tree than the selection indicators
     // as we want to be able to render the settings bar wider than the screen,
@@ -111,7 +114,7 @@
       measured = true
     }
   }
-  const debouncedUpdate = domDebounce(updatePosition)
+  const debouncedUpdate = Utils.domDebounce(updatePosition)
 
   onMount(() => {
     debouncedUpdate()

packages/client/src/utils/domDebounce.js

@@ -1,14 +0,0 @@
-export const domDebounce = (callback, extractParams = x => x) => {
-  let active = false
-  let lastParams
-  return (...params) => {
-    lastParams = extractParams(...params)
-    if (!active) {
-      active = true
-      requestAnimationFrame(() => {
-        callback(lastParams)
-        active = false
-      })
-    }
-  }
-}

packages/client/src/utils/grid.js

@@ -0,0 +1,20 @@
+export const isGridEvent = e => {
+  return (
+    e.target
+      .closest?.(".component")
+      ?.parentNode.closest(".component")
+      ?.childNodes[0]?.classList?.contains("grid") ||
+    e.target.classList.contains("anchor")
+  )
+}
+
+export const isGridChild = node => {
+  return node
+    ?.closest(".component")
+    ?.parentNode.closest(".component")
+    ?.childNodes[0]?.classList?.contains("grid")
+}
+
+export const getGridParentID = node => {
+  return node?.closest(".grid")?.parentNode.dataset.id
+}