Add resizable screen/component sections and remove redundant /components route

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

@@ -225,7 +225,7 @@ export const getFrontendStore = () => {
         // Select new screen
         store.update(state => {
           state.selectedScreenId = screen._id
-          state.selectedComponentId = screen.props?._id
+          state.selectedComponentId = "screen"
           return state
         })
       },

packages/builder/src/pages/builder/app/[application]/design/[screenId]/[componentId]/index.svelte

@@ -0,0 +1 @@
+<!-- Required to make Routify happy -->

packages/builder/src/pages/builder/app/[application]/design/[screenId]/[componentId]/new/_components/NewComponentPanel.svelte

@@ -1,6 +1,6 @@
 <script>
   import Panel from "components/design/Panel.svelte"
-  import { goto } from "@roxi/routify"
+  import { goto, url } from "@roxi/routify"
   import { Layout, Search, Icon, Body, notifications } from "@budibase/bbui"
   import structure from "./componentStructure.json"
   import { store, selectedComponent, selectedScreen } from "builderStore"

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

@@ -9,9 +9,7 @@
 <div class="app-panel">
   <div class="header">
     <div class="header-left">
-      {#if $isActive("./screens") || $isActive("./components")}
       <UndoRedoControl store={screenHistoryStore} />
-      {/if}
     </div>
     <div class="header-right">
       {#if $store.clientFeatures.devicePreview}

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

@@ -70,9 +70,7 @@
   $: refreshContent(json)
 
   // Determine if the add component menu is active
-  $: isAddingComponent = $isActive(
+  $: isAddingComponent = $isActive(`./${$selectedComponent?._id}/new`)
-    `./components/${$selectedComponent?._id}/new`
-  )
 
   // Register handler to send custom to the preview
   $: sendPreviewEvent = (name, payload) => {
@@ -215,9 +213,9 @@
 
   const toggleAddComponent = () => {
     if (isAddingComponent) {
-      $goto(`./components/${$selectedComponent?._id}`)
+      $goto(`./${$selectedComponent?._id}`)
     } else {
-      $goto(`./components/${$selectedComponent?._id}/new`)
+      $goto(`./${$selectedComponent?._id}/new`)
     }
   }
 

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

@@ -14,10 +14,10 @@
   let scrolling = false
 
   const toNewComponentRoute = () => {
-    if ($isActive("./new")) {
+    if ($isActive(`./${$store.selectedComponentId}/new`)) {
       return
     } else {
-      $goto(`./new`)
+      $goto(`./${$store.selectedComponentId}/new`)
     }
   }
 
@@ -31,11 +31,7 @@
   }
 
   const handleScroll = e => {
-    if (e.target.scrollTop === 0) {
+    scrolling = e.target.scrollTop !== 0
-      scrolling = false
-    } else {
-      scrolling = true
-    }
   }
 </script>
 

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

@@ -0,0 +1,24 @@
+<script>
+  import ScreenList from "./ScreenList/index.svelte"
+  import ComponentList from "./ComponentList/index.svelte"
+  import { isActive } from "@roxi/routify"
+</script>
+
+<div class="panel">
+  <ScreenList />
+  {#if $isActive("./:componentId")}
+    <ComponentList />
+  {/if}
+</div>
+
+<style>
+  .panel {
+    width: 310px;
+    height: 100%;
+    border-right: var(--border-light);
+    display: flex;
+    flex-direction: column;
+    background: var(--background);
+    position: relative;
+  }
+</style>

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

@@ -9,29 +9,42 @@
 
   let newScreen = false
   let search = false
+  let resizing = false
   let searchValue = ""
   let searchInput
   let screensContainer
   let scrolling = false
+  let height = "210px"
+  let previousHeight = null
+  let dragOffset
 
   $: filteredScreens = getFilteredScreens($sortedScreens, searchValue)
 
+  const sleep = ms => new Promise(resolve => setTimeout(resolve, ms))
+
   const openSearch = async () => {
     search = true
     await tick()
     searchInput.focus()
     screensContainer.scroll({ top: 0, behavior: "smooth" })
+    previousHeight = height
+    height = "calc(100% + 1px)"
   }
 
-  const closeSearch = () => {
+  const closeSearch = async () => {
+    if (previousHeight) {
+      // Restore previous height and wait for animation
+      height = previousHeight
+      previousHeight = null
+      await sleep(300)
+    }
     search = false
     searchValue = ""
   }
 
   const getFilteredScreens = (screens, search) => {
     return screens.filter(screen => {
-      const searchMatch = !search || screen.routing.route.includes(search)
+      return !search || screen.routing.route.includes(search)
-      return searchMatch
     })
   }
 
@@ -54,17 +67,33 @@
   }
 
   const handleScroll = e => {
-    if (e.target.scrollTop === 0) {
+    scrolling = e.target.scrollTop !== 0
-      scrolling = false
-    } else {
-      scrolling = true
   }
+
+  const startResizing = e => {
+    resizing = true
+    dragOffset = parseInt(height) - e.clientY
+    document.addEventListener("mousemove", resize)
+    document.addEventListener("mouseup", stopResizing)
+  }
+
+  const resize = e => {
+    const newHeight = Math.max(0, e.clientY + dragOffset)
+    if (newHeight == null || isNaN(newHeight)) {
+      return
+    }
+    height = `${newHeight}px`
+  }
+
+  const stopResizing = () => {
+    resizing = false
+    document.removeEventListener("mousemove", resize)
   }
 </script>
 
 <svelte:window on:keydown={onKeyDown} />
-<div class="screens" class:screenSearch={search}>
+<div class="screens" class:search class:resizing style={`height:${height};`}>
-  <div class="header" class:headerScrolling={scrolling}>
+  <div class="header" class:scrolling>
     <input
       readonly={!search}
       bind:value={searchValue}
@@ -113,6 +142,8 @@
       </Layout>
     {/if}
   </div>
+
+  <div class="divider" on:mousedown={startResizing} />
 </div>
 
 <div class="newScreen" class:newScreenVisible={newScreen}>
@@ -129,20 +160,24 @@
     z-index: 2;
     background-color: var(--background);
   }
-
   .newScreenVisible {
     display: initial;
   }
 
   .screens {
-    height: 210px;
     display: flex;
     flex-direction: column;
-    transition: height 300ms ease-out;
+    min-height: 147px;
+    max-height: calc(100% - 147px);
+    position: relative;
   }
-
+  .screens.search {
-  .screenSearch {
+    transition: height 300ms ease-out;
-    height: 100%;
+    max-height: none;
+  }
+  .screens.resizing {
+    user-select: none;
+    cursor: row-resize;
   }
 
   .header {
@@ -154,11 +189,10 @@
     display: flex;
     align-items: center;
     border-bottom: 2px solid transparent;
-    transition: border-bottom 300ms ease-out;
+    transition: border-bottom 130ms ease-out;
   }
-
+  .header.scrolling {
-  .headerScrolling {
+    border-bottom: var(--border-light);
-    border-bottom: 2px solid var(--grey-2);
   }
 
   .input {
@@ -178,8 +212,7 @@
   .input::placeholder {
     color: var(--spectrum-global-color-gray-600);
   }
-
+  .screens.search input {
-  .screenSearch input {
     display: block;
   }
 
@@ -197,6 +230,9 @@
     overflow: auto;
     flex-grow: 1;
   }
+  .screens.resizing .content {
+    pointer-events: none;
+  }
 
   .screens :global(.nav-item) {
     padding-right: 8px !important;
@@ -208,7 +244,6 @@
     margin-right: 10px;
     opacity: 1;
   }
-
   .searchButton:hover {
     color: var(--ink);
   }
@@ -223,15 +258,14 @@
     cursor: pointer;
     transition: transform 300ms ease-out;
   }
+  .addButton:hover {
+    color: var(--ink);
+  }
 
   .closeButton {
     transform: rotate(45deg);
   }
 
-  .addButton:hover {
-    color: var(--ink);
-  }
-
   .icon {
     margin-left: 4px;
     margin-right: 4px;
@@ -240,4 +274,24 @@
   .no-results {
     color: var(--spectrum-global-color-gray-600);
   }
+
+  .divider {
+    position: absolute;
+    bottom: 0;
+    transform: translateY(50%);
+    height: 16px;
+    width: 100%;
+  }
+  .divider:after {
+    content: "";
+    position: absolute;
+    background: var(--spectrum-global-color-gray-200);
+    height: 2px;
+    width: 100%;
+    top: 50%;
+    transform: translateY(-50%);
+  }
+  .divider:hover {
+    cursor: row-resize;
+  }
 </style>

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

@@ -4,7 +4,7 @@
   import { syncURLToState } from "helpers/urlStateSync"
   import { store } from "builderStore"
   import { onDestroy } from "svelte"
-  import LeftPanel from "./components/[componentId]/_components/LeftPanel/index.svelte"
+  import LeftPanel from "./_components/LeftPanel.svelte"
 
   $: screenId = $store.selectedScreenId
   $: store.actions.websocket.selectResource(screenId)

packages/builder/src/pages/builder/app/[application]/design/[screenId]/components/[componentId]/_components/LeftPanel/index.svelte

@@ -1,28 +0,0 @@
-<script>
-  import Screens from "./Screens/index.svelte"
-  import Components from "./Components/index.svelte"
-  import { selectedScreen } from "builderStore"
-</script>
-
-<div class="panel">
-  <Screens />
-  <div class="divider" />
-  {#if $selectedScreen}
-    <Components />
-  {/if}
-</div>
-
-<style>
-  .panel {
-    width: 310px;
-    height: 100%;
-    border-right: var(--border-light);
-    display: flex;
-    flex-direction: column;
-    background: var(--background);
-  }
-
-  .divider {
-    border-bottom: var(--border-light);
-  }
-</style>

packages/builder/src/pages/builder/app/[application]/design/[screenId]/components/[componentId]/index.svelte

@@ -1,4 +0,0 @@
-<!--
-  Placeholder file so that routify works.
-  No unique content is needed in this index page.
--->

packages/builder/src/pages/builder/app/[application]/design/[screenId]/components/index.svelte

@@ -1,8 +0,0 @@
-<script>
-  import { onMount } from "svelte"
-  import { redirect } from "@roxi/routify"
-
-  onMount(() => {
-    $redirect(`./screen`)
-  })
-</script>

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

@@ -1,8 +1,5 @@
 <script>
-  import { onMount } from "svelte"
   import { redirect } from "@roxi/routify"
 
-  onMount(() => {
+  $redirect("./screen")
-    $redirect("./components/screen")
-  })
 </script>

packages/builder/src/pages/builder/app/[application]/design/index.svelte

@@ -4,7 +4,7 @@
 
   $: {
     if ($frontendStore.screens.length > 0) {
-      $redirect(`./${$frontendStore.screens[0]._id}/components/screen`)
+      $redirect(`./${$frontendStore.screens[0]._id}/screen`)
     } else {
       $redirect("./new")
     }