Add initial work on grid layout

packages/builder/src/builderStore/store/frontend.js

@@ -439,7 +439,16 @@ export const getFrontendStore = () => {
         return {
           _id: Helpers.uuid(),
           _component: definition.component,
-          _styles: { normal: {}, hover: {}, active: {} },
+          _styles: {
+            normal: {
+              "grid-column-start": 1,
+              "grid-column-end": 2,
+              "grid-row-start": 1,
+              "grid-row-end": 2,
+            },
+            hover: {},
+            active: {},
+          },
           _instanceName: `New ${definition.name}`,
           ...cloneDeep(props),
           ...extras,
@@ -873,6 +882,14 @@ export const getFrontendStore = () => {
           }
         })
       },
+      updateStyles: async styles => {
+        await store.actions.components.patch(component => {
+          component._styles.normal = {
+            ...component._styles.normal,
+            ...styles,
+          }
+        })
+      },
       updateCustomStyle: async style => {
         await store.actions.components.patch(component => {
           component._styles.custom = style

packages/builder/src/pages/builder/app/[application]/design/[screenId]/_components/AppPreview.svelte

@@ -143,6 +143,8 @@
         }
       } else if (type === "update-prop") {
         await store.actions.components.updateSetting(data.prop, data.value)
+      } else if (type === "update-styles") {
+        await store.actions.components.updateStyles(data.styles)
       } else if (type === "delete-component" && data.id) {
         // Legacy type, can be deleted in future
         confirmDeleteComponent(data.id)

packages/builder/src/pages/builder/app/[application]/design/[screenId]/components/[componentId]/_components/settings/componentStyles.js

@@ -1,6 +1,67 @@
 import { Input, Select } from "@budibase/bbui"
 import ColorPicker from "components/design/settings/controls/ColorPicker.svelte"
 
+export const grid = {
+  label: "Grid",
+  columns: "1fr 1fr",
+  settings: [
+    {
+      label: "Col. start",
+      key: "grid-column-start",
+      control: Select,
+      placeholder: "Auto",
+      options: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
+    },
+    {
+      label: "Col. end",
+      key: "grid-column-end",
+      control: Select,
+      placeholder: "Auto",
+      options: [
+        { label: "1", value: 2 },
+        { label: "2", value: 3 },
+        { label: "3", value: 4 },
+        { label: "4", value: 5 },
+        { label: "5", value: 6 },
+        { label: "6", value: 7 },
+        { label: "7", value: 8 },
+        { label: "8", value: 9 },
+        { label: "9", value: 10 },
+        { label: "10", value: 11 },
+        { label: "11", value: 12 },
+        { label: "12", value: 13 },
+      ],
+    },
+    {
+      label: "Row start",
+      key: "grid-row-start",
+      control: Select,
+      placeholder: "Auto",
+      options: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12],
+    },
+    {
+      label: "Row end",
+      key: "grid-row-end",
+      control: Select,
+      placeholder: "Auto",
+      options: [
+        { label: "1", value: 2 },
+        { label: "2", value: 3 },
+        { label: "3", value: 4 },
+        { label: "4", value: 5 },
+        { label: "5", value: 6 },
+        { label: "6", value: 7 },
+        { label: "7", value: 8 },
+        { label: "8", value: 9 },
+        { label: "9", value: 10 },
+        { label: "10", value: 11 },
+        { label: "11", value: 12 },
+        { label: "12", value: 13 },
+      ],
+    },
+  ],
+}
+
 export const margin = {
   label: "Margin",
   columns: "1fr 1fr",

packages/builder/src/pages/builder/app/[application]/design/[screenId]/components/[componentId]/new/_components/componentStructure.json

@@ -13,7 +13,8 @@
     "icon": "ClassicGridView",
     "children": [
       "container",
-      "section"
+      "section",
+      "grid"
     ]
   },
   {

packages/client/manifest.json

@@ -86,6 +86,7 @@
     "hasChildren": true,
     "showSettingsBar": true,
     "styles": [
+      "grid",
       "padding",
       "size",
       "background",
@@ -4378,5 +4379,13 @@
         "required": true
       }
     ]
+  },
+  "grid": {
+    "name": "Grid",
+    "icon": "ViewGrid",
+    "hasChildren": true,
+    "styles": [
+      "size"
+    ]
   }
 }

packages/client/src/components/Component.svelte

@@ -151,6 +151,10 @@
     children: children.length,
     styles: {
       ...instance._styles,
+      normal: {
+        ...instance._styles?.normal,
+        ...(selected ? $builderStore.gridStyles : null),
+      },
       id,
       empty: emptyState,
       interactive,

packages/client/src/components/app/Grid.svelte

@@ -0,0 +1,81 @@
+<script>
+  import { getContext } from "svelte"
+  import { fade } from "svelte/transition"
+
+  const component = getContext("component")
+  const { styleable, builderStore } = getContext("sdk")
+
+  $: coords = generateCoords(12)
+
+  const generateCoords = num => {
+    let grid = []
+    for (let row = 0; row < num; row++) {
+      for (let col = 0; col < num; col++) {
+        grid.push({ row, col })
+      }
+    }
+    return grid
+  }
+</script>
+
+<div class="grid" use:styleable={$component.styles}>
+  <div class="underlay">
+    {#each coords as coord}
+      <div class="placeholder" />
+    {/each}
+  </div>
+  <slot />
+  {#if $builderStore.isDragging}
+    <div
+      class="overlay"
+      in:fade={{ duration: 130 }}
+      out:fade|self={{ duration: 130 }}
+    >
+      {#each coords as coord}
+        <div
+          class="placeholder grid-coord"
+          data-row={coord.row}
+          data-col={coord.col}
+        />
+      {/each}
+    </div>
+  {/if}
+</div>
+
+<style>
+  .grid {
+    position: relative;
+    min-height: 400px;
+  }
+  .grid,
+  .underlay,
+  .overlay {
+    display: grid;
+    grid-template-columns: repeat(12, 1fr);
+    grid-template-rows: repeat(12, 1fr);
+  }
+  .underlay,
+  .overlay {
+    position: absolute;
+    top: 0;
+    left: 0;
+    width: 100%;
+    height: 100%;
+    grid-gap: 2px;
+    background-color: var(--spectrum-global-color-gray-200);
+    border: 2px solid var(--spectrum-global-color-gray-200);
+  }
+  .underlay {
+    z-index: -1;
+  }
+  .overlay {
+    z-index: 999;
+    background-color: var(--spectrum-global-color-gray-500);
+    border-color: var(--spectrum-global-color-gray-500);
+    opacity: 0.3;
+  }
+
+  .placeholder {
+    background-color: var(--spectrum-global-color-gray-100);
+  }
+</style>

packages/client/src/components/app/index.js

@@ -34,6 +34,7 @@ export { default as spectrumcard } from "./SpectrumCard.svelte"
 export { default as tag } from "./Tag.svelte"
 export { default as markdownviewer } from "./MarkdownViewer.svelte"
 export { default as embeddedmap } from "./embedded-map/EmbeddedMap.svelte"
+export { default as grid } from "./Grid.svelte"
 export * from "./charts"
 export * from "./forms"
 export * from "./table"

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

@@ -12,7 +12,7 @@
   import { get } from "svelte/store"
   import IndicatorSet from "./IndicatorSet.svelte"
   import DNDPositionIndicator from "./DNDPositionIndicator.svelte"
-  import { builderStore } from "stores"
+  import { builderStore, componentStore } from "stores"
 
   let dragInfo
   let dropInfo
@@ -35,22 +35,41 @@
 
   const getDOMNodeForComponent = component => {
     const parent = component.closest(".component")
-    const children = Array.from(parent.children)
+    const children = Array.from(parent?.children || [])
-    return children[0]
+    return children?.[0]
   }
 
   // Callback when initially starting a drag on a draggable component
   const onDragStart = e => {
+    var img = new Image()
+    img.src =
+      "data:image/gif;base64,R0lGODlhAQABAIAAAAUEBAAAACwAAAAAAQABAAACAkQBADs="
+    e.dataTransfer.setDragImage(img, 0, 0)
+
+    // Resize component
+    if (e.target.classList.contains("anchor")) {
+      dragInfo = {
+        target: e.target.dataset.id,
+        side: e.target.dataset.side,
+        mode: "resize",
+      }
+    } else {
+      // Drag component
       const parent = e.target.closest(".component")
       if (!parent?.classList.contains("draggable")) {
         return
       }
-
-    // Update state
       dragInfo = {
         target: parent.dataset.id,
         parent: parent.dataset.parent,
+        mode: "move",
       }
+    }
+
+    if (!dragInfo) {
+      return
+    }
+
     builderStore.actions.selectComponent(dragInfo.target)
     builderStore.actions.setDragging(true)
 
@@ -71,20 +90,48 @@
       }
     }
 
+    // Update grid styles
+    if ($builderStore.gridStyles) {
+      builderStore.actions.updateStyles($builderStore.gridStyles)
+    }
+
     // Reset state and styles
     dragInfo = null
     dropInfo = null
-    builderStore.actions.setDragging(false)
   }
 
   // Callback when on top of a component
   const onDragOver = e => {
     // Skip if we aren't validly dragging currently
-    if (!dragInfo || !dropInfo) {
+    if (!dragInfo) {
       return
     }
 
     e.preventDefault()
+
+    // Set drag info for grids if not set
+    if (!dragInfo.grid) {
+      const coord = e.target.closest(".grid-coord")
+      if (coord) {
+        const row = parseInt(coord.dataset.row)
+        const col = parseInt(coord.dataset.col)
+        const component = $componentStore.selectedComponent
+        const getStyle = x => parseInt(component._styles.normal?.[x] || "0")
+        dragInfo.grid = {
+          startRow: row,
+          startCol: col,
+          rowDeltaMin: 1 - getStyle("grid-row-start"),
+          rowDeltaMax: 13 - getStyle("grid-row-end"),
+          colDeltaMin: 1 - getStyle("grid-column-start"),
+          colDeltaMax: 13 - getStyle("grid-column-end"),
+        }
+      }
+    }
+
+    if (!dropInfo) {
+      return
+    }
+
     const { droppableInside, bounds } = dropInfo
     const { top, left, height, width } = bounds
     const mouseY = e.clientY
@@ -147,6 +194,72 @@
       return
     }
 
+    const coord = e.target.closest(".grid-coord")
+    if (coord && dragInfo.grid) {
+      const row = parseInt(coord.dataset.row)
+      const col = parseInt(coord.dataset.col)
+      const { mode, side, grid } = dragInfo
+      const {
+        startRow,
+        startCol,
+        rowDeltaMin,
+        rowDeltaMax,
+        colDeltaMin,
+        colDeltaMax,
+      } = grid
+
+      const component = $componentStore.selectedComponent
+      const rowStart = parseInt(
+        component._styles.normal?.["grid-row-start"] || 0
+      )
+      const rowEnd = parseInt(component._styles.normal?.["grid-row-end"] || 0)
+      const colStart = parseInt(
+        component._styles.normal?.["grid-column-start"] || 0
+      )
+      const colEnd = parseInt(
+        component._styles.normal?.["grid-column-end"] || 0
+      )
+
+      let rowDelta = row - startRow
+      let colDelta = col - startCol
+
+      if (mode === "move") {
+        rowDelta = Math.min(Math.max(rowDelta, rowDeltaMin), rowDeltaMax)
+        colDelta = Math.min(Math.max(colDelta, colDeltaMin), colDeltaMax)
+        builderStore.actions.setGridStyles({
+          "grid-row-start": rowStart + rowDelta,
+          "grid-row-end": rowEnd + rowDelta,
+          "grid-column-start": colStart + colDelta,
+          "grid-column-end": colEnd + colDelta,
+        })
+      } else if (mode === "resize") {
+        let newStyles = {}
+        if (side === "right") {
+          newStyles["grid-column-end"] = colEnd + colDelta
+        } else if (side === "left") {
+          newStyles["grid-column-start"] = colStart + colDelta
+        } else if (side === "top") {
+          newStyles["grid-row-start"] = rowStart + rowDelta
+        } else if (side === "bottom") {
+          newStyles["grid-row-end"] = rowEnd + rowDelta
+        } else if (side === "bottom-right") {
+          newStyles["grid-column-end"] = colEnd + colDelta
+          newStyles["grid-row-end"] = rowEnd + rowDelta
+        } else if (side === "bottom-left") {
+          newStyles["grid-column-start"] = colStart + colDelta
+          newStyles["grid-row-end"] = rowEnd + rowDelta
+        } else if (side === "top-right") {
+          newStyles["grid-column-end"] = colEnd + colDelta
+          newStyles["grid-row-start"] = rowStart + rowDelta
+        } else if (side === "top-left") {
+          newStyles["grid-column-start"] = colStart + colDelta
+          newStyles["grid-row-start"] = rowStart + rowDelta
+        }
+        builderStore.actions.setGridStyles(newStyles)
+      }
+    }
+    return
+
     const element = e.target.closest(".component:not(.block)")
     if (
       element &&

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

@@ -13,6 +13,7 @@
   export let transition = false
   export let line = false
   export let alignRight = false
+  export let componentId
 
   $: flipped = top < 24
 </script>
@@ -40,6 +41,54 @@
       {/if}
     </div>
   {/if}
+  <div
+    draggable={true}
+    class="anchor right"
+    data-side="right"
+    data-id={componentId}
+  />
+  <div
+    draggable={true}
+    class="anchor top"
+    data-side="top"
+    data-id={componentId}
+  />
+  <div
+    draggable={true}
+    class="anchor left"
+    data-side="left"
+    data-id={componentId}
+  />
+  <div
+    draggable={true}
+    class="anchor bottom"
+    data-side="bottom"
+    data-id={componentId}
+  />
+  <div
+    draggable={true}
+    class="anchor bottom-right"
+    data-side="bottom-right"
+    data-id={componentId}
+  />
+  <div
+    draggable={true}
+    class="anchor bottom-left"
+    data-side="bottom-left"
+    data-id={componentId}
+  />
+  <div
+    draggable={true}
+    class="anchor top-right"
+    data-side="top-right"
+    data-id={componentId}
+  />
+  <div
+    draggable={true}
+    class="anchor top-left"
+    data-side="top-left"
+    data-id={componentId}
+  />
 </div>
 
 <style>
@@ -105,4 +154,55 @@
   /* Icon styles */
   .label :global(.spectrum-Icon + .text) {
   }
+
+  /* Anchor */
+  .anchor {
+    position: absolute;
+    width: 10px;
+    height: 10px;
+    border-radius: 50%;
+    background-color: var(--color);
+    pointer-events: all;
+  }
+  .anchor.right {
+    right: -6px;
+    top: calc(50% - 5px);
+    cursor: e-resize;
+  }
+  .anchor.left {
+    left: -6px;
+    top: calc(50% - 5px);
+    cursor: w-resize;
+  }
+  .anchor.bottom {
+    left: calc(50% - 5px);
+    bottom: -6px;
+    cursor: s-resize;
+  }
+  .anchor.top {
+    left: calc(50% - 5px);
+    top: -6px;
+    cursor: n-resize;
+  }
+
+  .anchor.bottom-right {
+    right: -6px;
+    bottom: -6px;
+    cursor: se-resize;
+  }
+  .anchor.bottom-left {
+    left: -6px;
+    bottom: -6px;
+    cursor: sw-resize;
+  }
+  .anchor.top-right {
+    right: -6px;
+    top: -6px;
+    cursor: ne-resize;
+  }
+  .anchor.top-left {
+    left: -6px;
+    top: -6px;
+    cursor: nw-resize;
+  }
 </style>

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

@@ -127,6 +127,7 @@
       height={indicator.height}
       text={idx === 0 ? text : null}
       icon={idx === 0 ? icon : null}
+      {componentId}
       {transition}
       {zIndex}
       {color}

packages/client/src/index.js

@@ -32,6 +32,10 @@ const loadBudibase = () => {
   const enableDevTools = !get(builderStore).inBuilder && get(appStore).isDevApp
   devToolsStore.actions.setEnabled(enableDevTools)
 
+  if (get(builderStore).gridOffset) {
+    builderStore.actions.setDragging(false)
+  }
+
   // Create app if one hasn't been created yet
   if (!app) {
     app = new ClientApp({

packages/client/src/stores/builder.js

@@ -40,6 +40,9 @@ const createBuilderStore = () => {
     updateProp: (prop, value) => {
       dispatchEvent("update-prop", { prop, value })
     },
+    updateStyles: styles => {
+      dispatchEvent("update-styles", { styles })
+    },
     keyDown: (key, ctrlKey) => {
       dispatchEvent("key-down", { key, ctrlKey })
     },
@@ -67,7 +70,11 @@ const createBuilderStore = () => {
       if (dragging === get(store).isDragging) {
         return
       }
-      store.update(state => ({ ...state, isDragging: dragging }))
+      store.update(state => ({
+        ...state,
+        isDragging: dragging,
+        gridStyles: null,
+      }))
     },
     setEditMode: enabled => {
       if (enabled === get(store).editMode) {
@@ -84,6 +91,12 @@ const createBuilderStore = () => {
     highlightSetting: setting => {
       dispatchEvent("highlight-setting", { setting })
     },
+    setGridStyles: styles => {
+      store.update(state => {
+        state.gridStyles = styles
+        return state
+      })
+    },
   }
   return {
     ...store,

packages/client/src/utils/styleable.js

@@ -27,7 +27,7 @@ export const styleable = (node, styles = {}) => {
   const setupStyles = (newStyles = {}) => {
     let baseStyles = {}
     if (newStyles.empty) {
-      baseStyles.border = "2px dashed var(--spectrum-global-color-gray-600)"
+      // baseStyles.border = "2px dashed var(--spectrum-global-color-gray-600)"
       baseStyles.padding = "var(--spacing-l)"
       baseStyles.overflow = "hidden"
     }