Offer custom themes for client apps and improve theme panel

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

@@ -1,20 +1,11 @@
 <script>
-  import { notifications, Slider, Icon } from "@budibase/bbui"
+  import { notifications } from "@budibase/bbui"
   import { store } from "builderStore"
+  import { Constants } from "@budibase/frontend-core"
 
-  const ThemeOptions = [
-    "spectrum--darkest",
-    "spectrum--dark",
-    "spectrum--light",
-    "spectrum--lightest",
-  ]
-
-  $: themeIndex = ThemeOptions.indexOf($store.theme) ?? 2
-
-  const onChangeTheme = async e => {
+  const onChangeTheme = async theme => {
     try {
-      const theme = ThemeOptions[e.detail] ?? ThemeOptions[2]
-      await store.actions.theme.save(theme)
+      await store.actions.theme.save(`spectrum--${theme}`)
     } catch (error) {
       notifications.error("Error updating theme")
     }
@@ -22,26 +13,52 @@
 </script>
 
 <div class="container">
-  <Icon name="Moon" />
-  <Slider
-    min={0}
-    max={3}
-    step={1}
-    value={themeIndex}
-    on:change={onChangeTheme}
-  />
-  <Icon name="Light" />
+  {#each Constants.Themes as theme}
+    <div
+      class="theme"
+      class:selected={`spectrum--${theme.class}` === $store.theme}
+      on:click={() => onChangeTheme(theme.class)}
+    >
+      <div
+        style="background: {theme.preview}"
+        class="color spectrum--{theme.class}"
+      />
+      {theme.name}
+    </div>
+  {/each}
 </div>
 
 <style>
-  div {
+  .container {
+    display: flex;
+    flex-direction: column;
+    justify-content: flex-start;
+    align-items: stretch;
+    gap: var(--spacing-xs);
+  }
+  .color {
+    width: 20px;
+    height: 20px;
+    border-radius: 50px;
+    background: var(--spectrum-global-color-gray-200);
+    border: 1px solid rgba(0, 0, 0, 0.1);
+  }
+  .theme {
+    border-radius: 4px;
+    padding: var(--spacing-s) var(--spacing-m);
     display: flex;
     flex-direction: row;
-    justify-content: flex-start;
     align-items: center;
-    gap: var(--spacing-m);
+    gap: var(--spacing-xl);
+    transition: background 130ms ease-out;
+    font-weight: 600;
+    color: var(--spectrum-global-color-gray-900);
   }
-  div :global(.spectrum-Form-item) {
-    flex: 1 1 auto;
+  .theme:hover {
+    cursor: pointer;
+  }
+  .theme.selected,
+  .theme:hover {
+    background: var(--spectrum-global-color-gray-50);
   }
 </style>

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

@@ -0,0 +1,38 @@
+<script>
+  import { createEventDispatcher } from "svelte"
+  import { Slider, Button } from "@budibase/bbui"
+
+  export let customTheme
+
+  const dispatch = createEventDispatcher()
+  const options = ["0", "4px", "8px", "16px"]
+
+  $: index = options.indexOf(customTheme.buttonBorderRadius) ?? 2
+
+  const onChange = async e => {
+    dispatch("change", options[e.detail])
+  }
+</script>
+
+<div class="container">
+  <Slider min={0} max={3} step={1} value={index} on:change={onChange} />
+  <div class="button" style="--radius: {customTheme.buttonBorderRadius};">
+    <Button primary newStyles>Button</Button>
+  </div>
+</div>
+
+<style>
+  .container {
+    display: flex;
+    flex-direction: row;
+    justify-content: flex-start;
+    align-items: center;
+    gap: var(--spacing-xl);
+  }
+  .container :global(.spectrum-Form-item) {
+    flex: 1 1 auto;
+  }
+  .button :global(.spectrum-Button) {
+    border-radius: var(--radius) !important;
+  }
+</style>

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

@@ -11,25 +11,7 @@
   import { get } from "svelte/store"
   import { DefaultAppTheme } from "constants"
   import AppThemeSelect from "./AppThemeSelect.svelte"
-
-  const ButtonBorderRadiusOptions = [
-    {
-      label: "Square",
-      value: "0",
-    },
-    {
-      label: "Soft edge",
-      value: "4px",
-    },
-    {
-      label: "Curved",
-      value: "8px",
-    },
-    {
-      label: "Round",
-      value: "16px",
-    },
-  ]
+  import ButtonRoundnessSelect from "./ButtonRoundnessSelect.svelte"
 
   $: customTheme = $store.customTheme || {}
 
@@ -52,22 +34,11 @@
       <AppThemeSelect />
     </Layout>
     <Layout noPadding gap="XS">
-      <Label>Buttons</Label>
-      <div class="buttons">
-        {#each ButtonBorderRadiusOptions as option}
-          <div
-            class:active={customTheme.buttonBorderRadius === option.value}
-            style={`--radius: ${option.value}`}
-          >
-            <Button
-              secondary
-              on:click={() => update("buttonBorderRadius", option.value)}
-            >
-              {option.label}
-            </Button>
-          </div>
-        {/each}
-      </div>
+      <Label>Button roundness</Label>
+      <ButtonRoundnessSelect
+        {customTheme}
+        on:change={e => update("buttonBorderRadius", e.detail)}
+      />
     </Layout>
     <Layout noPadding gap="XS">
       <Label>Accent color</Label>
@@ -88,29 +59,3 @@
     </Layout>
   </Layout>
 </Panel>
-
-<style>
-  .buttons {
-    display: grid;
-    grid-template-columns: 100px 100px;
-    gap: var(--spacing-m);
-  }
-  .buttons > div {
-    display: contents;
-  }
-  .buttons > div :global(.spectrum-Button) {
-    border-radius: var(--radius) !important;
-    border-width: 1px;
-    border-color: var(--spectrum-global-color-gray-400);
-    font-weight: 600;
-  }
-  .buttons > div:hover :global(.spectrum-Button) {
-    background: var(--spectrum-global-color-gray-700);
-    border-color: var(--spectrum-global-color-gray-700);
-  }
-  .buttons > div.active :global(.spectrum-Button) {
-    background: var(--spectrum-global-color-gray-200);
-    color: var(--spectrum-global-color-gray-800);
-    border-color: var(--spectrum-global-color-gray-600);
-  }
-</style>