From 99c8814533d7253f15e70f58943a2ae5f18c5063 Mon Sep 17 00:00:00 2001
From: Michael Shanks <mike@budibase.com>
Date: Wed, 19 Feb 2020 21:38:21 +0000
Subject: [PATCH] component templates

---
 packages/builder/src/builderStore/store.js    |  20 +++
 .../builder/src/common/ConfirmDialog.svelte   |   4 +-
 .../ComponentSelectionList.svelte             | 149 +++++++++++++-----
 .../utilities/builder/componentLibraryInfo.js |  20 ++-
 packages/server/utilities/builder/index.js    |  11 +-
 packages/standard-components/components.json  |   6 +
 .../src/Templates/saveRecordButton.js         |  23 +++
 packages/standard-components/src/index.js     |   1 +
 8 files changed, 188 insertions(+), 46 deletions(-)
 create mode 100644 packages/standard-components/src/Templates/saveRecordButton.js

diff --git a/packages/builder/src/builderStore/store.js b/packages/builder/src/builderStore/store.js
index 9245e2c9b5..3cb400c4de 100644
--- a/packages/builder/src/builderStore/store.js
+++ b/packages/builder/src/builderStore/store.js
@@ -111,6 +111,7 @@ export const getStore = () => {
   store.moveUpComponent = moveUpComponent(store)
   store.moveDownComponent = moveDownComponent(store)
   store.copyComponent = copyComponent(store)
+  store.addTemplatedComponent = addTemplatedComponent(store)
   return store
 }
 
@@ -161,6 +162,7 @@ const initialise = (store, initial) => async () => {
   initial.components = values(pkg.components.components).map(
     expandComponentDefinition
   )
+  initial.templates = pkg.components.templates
   initial.builtins = [getBuiltin("##builtin/screenslot")]
   initial.actions = values(pkg.appDefinition.actions)
   initial.triggers = pkg.appDefinition.triggers
@@ -735,6 +737,24 @@ const addChildComponent = store => (componentToAdd, presetName) => {
   })
 }
 
+/**
+ * @param  {string} props - props to add, as child of current component
+ */
+const addTemplatedComponent = store => props => {
+  store.update(state => {
+    walkProps(props, p => {
+      p._id = uuid()
+    })
+    state.currentComponentInfo._children = state.currentComponentInfo._children.concat(
+      props
+    )
+
+    _savePage(state)
+
+    return state
+  })
+}
+
 const selectComponent = store => component => {
   store.update(s => {
     const componentDef = component._component.startsWith("##")
diff --git a/packages/builder/src/common/ConfirmDialog.svelte b/packages/builder/src/common/ConfirmDialog.svelte
index 592b73a395..b54f971d7c 100644
--- a/packages/builder/src/common/ConfirmDialog.svelte
+++ b/packages/builder/src/common/ConfirmDialog.svelte
@@ -39,7 +39,9 @@ const ok = () => {
     <div class="uk-modal-header">
       <h2 class="uk-modal-title">{title}</h2>
     </div>
-    <div class="uk-modal-body">{body}</div>
+    <div class="uk-modal-body">
+      <slot>{body}</slot>
+    </div>
     <div class="uk-modal-footer">
       <ButtonGroup>
         <Button grouped color="primary" on:click={ok}>
diff --git a/packages/builder/src/userInterface/ComponentSelectionList.svelte b/packages/builder/src/userInterface/ComponentSelectionList.svelte
index 58f631fdbf..d8902ebe4e 100644
--- a/packages/builder/src/userInterface/ComponentSelectionList.svelte
+++ b/packages/builder/src/userInterface/ComponentSelectionList.svelte
@@ -1,14 +1,24 @@
 <script>
   import { splitName } from "./pagesParsing/splitRootComponentName.js"
   import { store } from "../builderStore"
-  import { find, sortBy } from "lodash/fp"
+  import { find, sortBy, groupBy } from "lodash/fp"
   import { ImageIcon, InputIcon, LayoutIcon } from "../common/Icons/"
   import Select from "../common/Select.svelte"
   import Button from "../common/PlusButton.svelte"
+  import ConfirmDialog from "../common/ConfirmDialog.svelte"
+  import { getRecordNodes, getIndexNodes, getIndexSchema } from "../common/core"
 
   let componentLibraries = []
   let current_view = "text"
   let selectedComponent = null
+  let selectedLib
+  let selectTemplateDialog
+  let templateInstances = []
+  let selectedTemplateInstance
+
+  $: templatesByComponent = groupBy(t => t.component)($store.templates)
+  $: hierarchy = $store.hierarchy
+  $: libraryModules = $store.libraries
 
   const addRootComponent = (component, allComponents) => {
     const { libName } = splitName(component.name)
@@ -28,6 +38,28 @@
 
   const onComponentChosen = store.addChildComponent
 
+  const onTemplateChosen = template => {
+    selectedComponent = null
+    const { componentName, libName } = splitName(template.name)
+    const templateOptions = {
+      records: getRecordNodes(hierarchy),
+      indexes: getIndexNodes(hierarchy),
+      helpers: {
+        indexSchema: getIndexSchema(hierarchy)
+      }
+    }
+    templateInstances = libraryModules[libName][componentName](templateOptions)
+    if(!templateInstances || templateInstances.length === 0) return
+    selectedTemplateInstance = templateInstances[0].name
+    selectTemplateDialog.show()
+  }
+
+  const onTemplateInstanceChosen = () => {
+    selectedComponent = null
+    const instance = templateInstances.find(i => i.name === selectedTemplateInstance)
+    store.addTemplatedComponent(instance.props)
+  }
+
   $: {
     const newComponentLibraries = []
 
@@ -36,58 +68,74 @@
     }
 
     componentLibraries = newComponentLibraries
+    if (!selectedLib) selectedLib = newComponentLibraries[0].libName
   }
+
+  $: componentLibrary = componentLibraries.find(l => l.libName === selectedLib)
+
 </script>
 
 <div class="root">
-  <Select>
-    {#each componentLibraries as componentLibrary}
-      <option value={componentLibrary.libName}>
-        {componentLibrary.libName}
+  <Select on:change={e => selectedLib = e.target.value}>
+    {#each componentLibraries as lib}
+      <option value={lib.libName}>
+        {lib.libName}
       </option>
     {/each}
   </Select>
-  {#each componentLibraries as componentLibrary}
-    <div class="library-container">
-      <ul>
-        <li>
-          <button
-            class:selected={current_view === 'text'}
-            on:click={() => (current_view = 'text')}>
-            <InputIcon />
-          </button>
-        </li>
-        <li>
-          <button
-            class:selected={current_view === 'layout'}
-            on:click={() => (current_view = 'layout')}>
-            <LayoutIcon />
-          </button>
-        </li>
-        <li>
-          <button
-            class:selected={current_view === 'media'}
-            on:click={() => (current_view = 'media')}>
-            <ImageIcon />
-          </button>
-        </li>
-      </ul>
 
+  <div class="library-container">
+    <ul>
+      <li>
+        <button
+          class:selected={current_view === 'text'}
+          on:click={() => (current_view = 'text')}>
+          <InputIcon />
+        </button>
+      </li>
+      <li>
+        <button
+          class:selected={current_view === 'layout'}
+          on:click={() => (current_view = 'layout')}>
+          <LayoutIcon />
+        </button>
+      </li>
+      <li>
+        <button
+          class:selected={current_view === 'media'}
+          on:click={() => (current_view = 'media')}>
+          <ImageIcon />
+        </button>
+      </li>
+    </ul>
+
+    {#if componentLibrary}
       {#each $store.builtins.concat(componentLibrary.components) as component}
         <div class="component-container">
           <div
             class="component"
             on:click={() => onComponentChosen(component.name)}>
             <div class="name">{splitName(component.name).componentName}</div>
-            {#if component.presets && component.name === selectedComponent}
+            {#if (component.presets || templatesByComponent[component.name]) && component.name === selectedComponent}
               <ul class="preset-menu">
-                <span>{splitName(component.name).componentName} Presets</span>
-                {#each Object.keys(component.presets) as preset}
-                  <li
-                    on:click|stopPropagation={() => onComponentChosen(component.name, preset)}>
-                    {preset}
-                  </li>
-                {/each}
+                {#if component.presets}
+                  <span>{splitName(component.name).componentName} Presets</span>
+                  {#each Object.keys(component.presets) as preset}
+                    <li
+                      on:click|stopPropagation={() => onComponentChosen(component.name, preset)}>
+                      {preset}
+                    </li>
+                  {/each}
+                {/if}
+                {#if templatesByComponent[component.name]}
+                  <span>{splitName(component.name).componentName} Templates</span>
+                  {#each templatesByComponent[component.name] as template}
+                    <li
+                      on:click|stopPropagation={() => onTemplateChosen(template)}>
+                      {template.description}
+                    </li>
+                  {/each}
+                {/if}
               </ul>
             {/if}
           </div>
@@ -105,12 +153,27 @@
           {/if}
         </div>
       {/each}
+    {/if}
+  </div>
 
-    </div>
-  {/each}
 
 </div>
 
+<ConfirmDialog 
+  bind:this={selectTemplateDialog}
+  title="Choose Template"
+  onCancel={() => selectedComponent = null}
+  onOk={onTemplateInstanceChosen}>
+  {#each templateInstances.map(i => i.name) as instance}
+    <div class="uk-margin uk-grid-small uk-child-width-auto uk-grid">
+      <label>
+        <input class="uk-radio" type="radio" bind:group={selectedTemplateInstance} value={instance}>
+        <span class="template-instance-label">{instance}</span>
+      </label>
+    </div>
+  {/each}
+</ConfirmDialog>
+
 <style>
   .root {
     display: flex;
@@ -179,6 +242,7 @@
     font-size: 12px;
     font-weight: bold;
     text-transform: uppercase;
+    margin-top: 5px;
   }
 
   .preset-menu li {
@@ -215,4 +279,9 @@
   .open {
     color: rgba(0, 85, 255, 1);
   }
+
+  .template-instance-label {
+    margin-left: 20px;
+  }
+
 </style>
diff --git a/packages/server/utilities/builder/componentLibraryInfo.js b/packages/server/utilities/builder/componentLibraryInfo.js
index c180655ac4..c18ec30c17 100644
--- a/packages/server/utilities/builder/componentLibraryInfo.js
+++ b/packages/server/utilities/builder/componentLibraryInfo.js
@@ -31,7 +31,7 @@ module.exports.componentLibraryInfo = async (appPath, libname) => {
   const libDir = getLibDir(appPath, libname)
   const componentsPath = getComponentsFilepath(libDir)
 
-  const componentDefinitionExists = await exists(componentsPath); 
+  const componentDefinitionExists = await exists(componentsPath)
 
   if (!componentDefinitionExists) {
     const e = new Error(
@@ -41,18 +41,32 @@ module.exports.componentLibraryInfo = async (appPath, libname) => {
     throw e
   }
 
+  const addNamespace = name => `${libname}/${name}`
+
   try {
     const componentDefinitions = await readJSON(componentsPath)
     const namespacedComponents = { _lib: componentDefinitions._lib }
     for (let componentKey in componentDefinitions) {
-      if (componentKey === "_lib") continue
-      const namespacedName = `${libname}/${componentKey}`
+      if (componentKey === "_lib" || componentKey === "_templates") continue
+      const namespacedName = addNamespace(componentKey)
       componentDefinitions[componentKey].name = namespacedName
       namespacedComponents[namespacedName] = componentDefinitions[componentKey]
     }
 
+    const namespacedTemplates = { _lib: componentDefinitions._lib }
+    for (let templateKey in componentDefinitions._templates || {}) {
+      const template = componentDefinitions._templates[templateKey]
+      if (template.component)
+        template.component = addNamespace(template.component)
+      const namespacedName = addNamespace(templateKey)
+      template.name = namespacedName
+      namespacedTemplates[namespacedName] =
+        componentDefinitions._templates[templateKey]
+    }
+
     return {
       components: namespacedComponents,
+      templates: namespacedTemplates,
       libDir,
       componentsPath,
     }
diff --git a/packages/server/utilities/builder/index.js b/packages/server/utilities/builder/index.js
index 0421002808..b6c40a4bc8 100644
--- a/packages/server/utilities/builder/index.js
+++ b/packages/server/utilities/builder/index.js
@@ -130,21 +130,28 @@ const getComponentDefinitions = async (appPath, pages, componentLibrary) => {
 
     if (!pages) return []
 
-    componentLibraries = $(pages, [values, map(p => p.componentLibraries), flatten])
+    componentLibraries = $(pages, [
+      values,
+      map(p => p.componentLibraries),
+      flatten,
+    ])
   } else {
     componentLibraries = [componentLibrary]
   }
 
   const components = {}
+  const templates = {}
 
   for (let library of componentLibraries) {
     const info = await componentLibraryInfo(appPath, library)
     merge(components, info.components)
+    merge(templates, info.templates)
   }
 
   if (components._lib) delete components._lib
+  if (templates._lib) delete templates._lib
 
-  return { components }
+  return { components, templates }
 }
 
 module.exports.getComponentDefinitions = getComponentDefinitions
diff --git a/packages/standard-components/components.json b/packages/standard-components/components.json
index a94b5a25c6..537a11103d 100644
--- a/packages/standard-components/components.json
+++ b/packages/standard-components/components.json
@@ -1,5 +1,11 @@
 {
 	"_lib": "./dist/index.js",
+	"_templates" : {
+		"saveRecordButton" : {
+			"description": "Save record button",
+			"component": "button"
+		}
+	},
 	"button" : {
 		"name": "Button",
 		"description": "an html <button />",
diff --git a/packages/standard-components/src/Templates/saveRecordButton.js b/packages/standard-components/src/Templates/saveRecordButton.js
new file mode 100644
index 0000000000..86d4bcc625
--- /dev/null
+++ b/packages/standard-components/src/Templates/saveRecordButton.js
@@ -0,0 +1,23 @@
+export default ({ records }) =>
+  records.map(r => ({
+    name: `Save ${r.name} Button`,
+    props: buttonProps(r),
+  }))
+
+const buttonProps = record => ({
+  _component: "@budibase/standard-components/button",
+  _children: [
+    {
+      _component: "@budibase/standard-components/text",
+      text: `Save ${record.name}`,
+    },
+  ],
+  onClick: [
+    {
+      "##eventHandlerType": "Save Record",
+      parameters: {
+        statePath: `${record.name}`,
+      },
+    },
+  ],
+})
diff --git a/packages/standard-components/src/index.js b/packages/standard-components/src/index.js
index 9f3c51fa7d..3d512cb252 100644
--- a/packages/standard-components/src/index.js
+++ b/packages/standard-components/src/index.js
@@ -6,3 +6,4 @@ export { default as select } from "./Select.svelte"
 export { default as option } from "./Option.svelte"
 export { default as button } from "./Button.svelte"
 export { default as login } from "./Login.svelte"
+export { default as saveRecordButton } from "./Templates/saveRecordButton"