From 85973c58eded62cac566a37a6182648a167bba0d Mon Sep 17 00:00:00 2001
From: Michael Thomas <michaelhthomas@outlook.com>
Date: Wed, 2 Feb 2022 09:42:30 -0500
Subject: [PATCH] Update preview logic, render select dialog conditionally

---
 src/components/select-dialog.tsx |  50 ++++--------
 src/edit.tsx                     | 135 ++++++++++++++++---------------
 src/styles/editor.scss           |  83 ++++++++++---------
 3 files changed, 130 insertions(+), 138 deletions(-)

diff --git a/src/components/select-dialog.tsx b/src/components/select-dialog.tsx
index e689782..c995e2c 100644
--- a/src/components/select-dialog.tsx
+++ b/src/components/select-dialog.tsx
@@ -2,27 +2,16 @@
  * WordPress dependencies
  */
 import * as React from 'react';
-import { Button, Modal, FocusableIframe } from '@wordpress/components';
+import { Modal, FocusableIframe } from '@wordpress/components';
 
 import { baseUrl } from '@/globals';
 
 type DialogProps = {
+	setOpen: Function;
   onSelectForm: Function;
 };
 
-type DialogState = {
-  isOpen: boolean;
-};
-
-class SelectDialog extends React.Component<DialogProps, DialogState> {
-	constructor( props: any ) {
-		super( props );
-
-		this.state = {
-			isOpen: false,
-		};
-	}
-
+class SelectDialog extends React.Component<DialogProps> {
 	componentDidMount() {
 		window.addEventListener( 'message', this.handlePostMessage, false );
 	}
@@ -32,32 +21,25 @@ class SelectDialog extends React.Component<DialogProps, DialogState> {
 	}
 
 	handlePostMessage = ( event: MessageEvent ) => {
-		if (event.origin === baseUrl && event.data.type === 'cog-form-selected') {
+		if ( event.origin === baseUrl && event.data.type === 'cog-form-selected' ) {
 			this.props.onSelectForm( event.data );
-			this.setState({ isOpen: false }); // Close Dialog
+			this.props.setOpen( false );
 		}
 	}
 
 	render() {
 		return (
-			<div>
-				<Button isPrimary={true} onClick={ () => this.setState( { isOpen: true } ) }>
-					Choose a form
-				</Button>
-				{ this.state.isOpen && (
-					<Modal
-						title="Cognito Forms"
-						className="cognito-modal"
-						onRequestClose={ () => this.setState( { isOpen: false } ) }
-						shouldCloseOnClickOutside={ false }
-					>
-						<FocusableIframe
-							style={ { width: '500px', height: '500px', display: 'block' } }
-							src={ `${ baseUrl }/integrations/cms` }
-						></FocusableIframe>
-					</Modal>
-				) }
-			</div>
+			<Modal
+				title="Cognito Forms"
+				className="cognito-modal"
+				onRequestClose={ () => this.props.setOpen( false ) }
+				shouldCloseOnClickOutside={ false }
+			>
+				<FocusableIframe
+					style={ { width: '500px', height: '500px', display: 'block' } }
+					src={ `${ baseUrl }/integrations/cms` }
+				></FocusableIframe>
+			</Modal>
 		);
 	}
 }
diff --git a/src/edit.tsx b/src/edit.tsx
index d04077d..b5a7475 100644
--- a/src/edit.tsx
+++ b/src/edit.tsx
@@ -1,5 +1,4 @@
 import * as React from 'react';
-import { __ } from '@wordpress/i18n';
 
 import { BlockEditProps } from '@wordpress/blocks';
 import {
@@ -9,17 +8,23 @@ import {
 	PanelBody,
 	PanelRow,
 	ExternalLink,
+	Button,
+	Icon,
 } from '@wordpress/components';
-import { edit } from '@wordpress/icons';
-
+import { edit, external } from '@wordpress/icons';
+import { useState } from '@wordpress/element';
 import { BlockControls, InspectorControls } from '@wordpress/block-editor';
 
+import { BlockAttributes, EmbedMode } from '@/types';
+import { baseUrl } from './globals';
+
 import { ReactComponent as CogIcon } from '@/assets/cogicon.svg';
 import SelectDialog from '@/components/select-dialog';
 import PreviewForm from '@/components/preview-form';
-import { BlockAttributes, EmbedMode } from '@/types';
 
 const Edit: React.FC<BlockEditProps<BlockAttributes>> = ( { attributes, setAttributes, className } ) => {
+	const [ selectDialogOpen, setSelectDialogOpen ] = useState( false );
+
 	const handleForm = ( form: { [key: string]: any } ) => {
 		setAttributes( {
 			formId: form.formId,
@@ -30,71 +35,71 @@ const Edit: React.FC<BlockEditProps<BlockAttributes>> = ( { attributes, setAttri
 		} );
 	};
 
-	const resetForm = () => {
-		// Create a new object which sets all attributes to null
-		const nullAttributes = Object.keys( attributes ).reduce(
-			( accumulator, current ) => {
-				// @ts-ignore
-				accumulator[ current ] = null;
-				return accumulator;
-			}, {} );
-
-		setAttributes( nullAttributes );
-	};
-
-	if ( ! attributes.formId ) {
-		return (
-			<div>
-				<Placeholder
-					icon={ CogIcon }
-					label="Cognito Forms"
-					className={ className }
-					instructions={ __(
-						'Click the button below to choose a form to embed.'
-					) }
-				>
-					<SelectDialog onSelectForm={ handleForm }></SelectDialog>
-				</Placeholder>
-			</div>
-		);
-	}
-
 	return (
-		<div>
-			{
-				<BlockControls>
-					<ToolbarButton
-						icon={ edit }
-						label="Edit"
-						onClick={ () => resetForm() }
+		<div className={ className }>
+			{ attributes.formId ?
+			// A form has already been selected, so render the form preview.
+				<div>
+					<BlockControls>
+						<ToolbarButton
+							icon={ edit }
+							label="Edit"
+							onClick={ () => setSelectDialogOpen( true ) }
+						/>
+					</BlockControls>
+
+					<InspectorControls key="setting">
+						<PanelBody title="Form Settings">
+							<PanelRow>
+								<RadioControl
+									label="Embed Mode"
+									help={
+										<span>
+											The type of embed code to use with your form. <ExternalLink href="https://www.cognitoforms.com/support/10/style-publish">Learn more</ExternalLink>
+										</span>
+									}
+									selected={ attributes.embedMode }
+									options={ [
+										{ label: 'Seamless', value: EmbedMode.Seamless },
+										{ label: 'Iframe', value: EmbedMode.IFrame },
+									] }
+									onChange={ ( value: EmbedMode ) => setAttributes( { embedMode: parseInt( value.toString() ) } ) }
+								/>
+							</PanelRow>
+						</PanelBody>
+					</InspectorControls>
+
+					<PreviewForm
+						embedCode={ attributes.iframeEmbedCode }
 					/>
-				</BlockControls>
+				</div>
+				:
+				// No form has been selected yet, so render the placeholder
+				<div>
+					<Placeholder
+						icon={ CogIcon }
+						label="Cognito Forms"
+						instructions="Choose an existing form to embed or create a new one."
+					>
+						<div>
+							<Button isPrimary onClick={ () => setSelectDialogOpen( true ) }>
+								Select Form
+							</Button>
+							<Button isTertiary href={ `${ baseUrl }/forms/new` } target="_blank">
+								New Form&thinsp;<Icon icon={ external } size={ 16 }></Icon>
+							</Button>
+						</div>
+					</Placeholder>
+				</div>
 			}
 
-			<InspectorControls key="setting">
-				<PanelBody title="Embed Settings">
-					<PanelRow>
-						<RadioControl
-							label="Embed Mode"
-							help={
-								<span>
-									The type of embed code to use with your form. <ExternalLink href="https://www.cognitoforms.com/support/10/style-publish">Learn more</ExternalLink>
-								</span>
-							}
-							selected={ attributes.embedMode }
-							options={ [
-								{ label: 'Seamless', value: EmbedMode.Seamless },
-								{ label: 'Iframe', value: EmbedMode.IFrame },
-							] }
-							onChange={ ( value: EmbedMode ) => setAttributes( { embedMode: parseInt( value.toString() ) } ) }
-						/>
-					</PanelRow>
-				</PanelBody>
-			</InspectorControls>
-
-			<PreviewForm
-				embedCode={ attributes.iframeEmbedCode }
-			/>
+			{ selectDialogOpen &&
+				// Selectively render the select dialog
+				<SelectDialog
+					setOpen={ ( val: boolean ) => setSelectDialogOpen( val ) }
+					onSelectForm={ handleForm }
+				></SelectDialog>
+			}
 		</div>
 	);
 };
diff --git a/src/styles/editor.scss b/src/styles/editor.scss
index b989508..2ef407c 100644
--- a/src/styles/editor.scss
+++ b/src/styles/editor.scss
@@ -7,51 +7,56 @@
  */
 
 // Remove modal padding
-.cognito-modal > .components-modal__content {
-  padding: initial;
-}
-
-.cognito-modal > .components-modal__content > .components-modal__header {
-  margin: initial;
-}
-
-// .cog-wp-embed__preview > iframe {
-// 	height: 500px;
-// }
-
-.form-preview {
-	min-height: 200px;
-
-	.focus-grabber {
-		position: absolute;
-		width: 100%;
-		height: 100%;
-		z-index: 1;
+.wp-block-cognito-forms-cognito-embed {
+	.components-placeholder__label svg {
+		height: 24px;
+		width: 24px;
 	}
 
-	.loader {
-		padding: 1em;
-		background: #fff;
-		text-align: center;
+	.form-preview {
 		min-height: 200px;
-		border-radius: 2px;
-		box-shadow: inset 0 0 0 1px #1e1e1e;
 
-		display: flex;
-		gap: 0.5em;
-		flex-direction: column;
-		align-items: center;
-		justify-content: center;
-
-		.icon {
-			width: 2em;
-			height: 2em;
-			margin: 0 auto;
+		.focus-grabber {
+			position: absolute;
+			width: 100%;
+			height: 100%;
+			z-index: 1;
 		}
 
-		p {
-			font-size: 13px;
-			margin: 0;
+		.loader {
+			padding: 1em;
+			background: #fff;
+			text-align: center;
+			min-height: 200px;
+			border-radius: 2px;
+			box-shadow: inset 0 0 0 1px #1e1e1e;
+
+			display: flex;
+			gap: 0.5em;
+			flex-direction: column;
+			align-items: center;
+			justify-content: center;
+
+			.icon {
+				width: 2em;
+				height: 2em;
+				margin: 0 auto;
+			}
+
+			p {
+				font-size: 13px;
+				margin: 0;
+			}
 		}
 	}
 }
+
+.cognito-modal {
+	.components-modal__content {
+		padding: initial;
+	}
+
+	.components-modal__content .components-modal__header {
+		margin: initial;
+	}
+}