feat: Added config loading

src/components/containers/DropdownContainer.tsx

@@ -0,0 +1,55 @@
+import React, { ReactChild, useEffect, useRef, useState } from 'react';
+
+const DropdownContainer = (props: {
+  className?: string;
+  children: ReactChild[] | ReactChild;
+}) => {
+  const [isExtended, setExtended] = useState(false);
+  const [pos, setPos] = useState({ left: 0, top: 0 });
+  const buttonRef = useRef<HTMLButtonElement>(null);
+
+  const updatePos = () => {
+    if (!buttonRef.current) {
+      return;
+    }
+
+    const rect = buttonRef.current.getBoundingClientRect();
+
+    setPos({ left: rect.x, top: rect.y + rect.height });
+  };
+
+  useEffect(() => {
+    updatePos();
+
+    // hide the box when a click event fires
+    window.addEventListener(
+      'click',
+      () => {
+          setExtended(false);
+      },
+    );
+  }, [isExtended]);
+
+  return (
+    <>
+      <button
+        className={props.className}
+        ref={buttonRef}
+        onClick={(event) => {
+          setExtended(!isExtended);
+          // prevent the click event from bubbling up to event that will close the drawer
+          event.stopPropagation();
+        }}
+      >
+        •••
+      </button>
+      {isExtended && (
+        <div className="fixed w-max h-max z-20 flex flex-col" style={pos}>
+          {React.Children.toArray(props.children)}
+        </div>
+      )}
+    </>
+  );
+};
+
+export default DropdownContainer;

src/components/panes/EditorPane.tsx

@@ -1,9 +1,13 @@
 import Editor, { DiffEditor } from '@monaco-editor/react';
-import { useStoreState } from '../../state/Hooks';
+import { useRef } from 'react';
+import { useStoreActions, useStoreState } from '../../state/Hooks';
+import DropdownContainer from '../containers/DropdownContainer';
 
 const EditorPane = () => {
   const config = useStoreState((state) => state.config);
   const editingConfig = useStoreState((state) => state.editingConfig);
+  const loadConfig = useStoreActions((actions) => actions.loadConfig);
+  const inputFile = useRef<HTMLInputElement>(null);
 
   const configYAML = (yml: string) => {
     const matchSDKComment = yml?.match('# SDK Version: .*\n');
@@ -24,28 +28,57 @@ const EditorPane = () => {
 
   return (
     <div className="bg-circle-gray-900 h-2/5 w-full flex flex-col">
-      <div className="border-b text-xl border-circle-gray-800 font-bold">
+      <div className="border-b text-xl border-circle-gray-800 font-bold flex flex-row">
         <div className="ml-4 border-b-4 px-3 py-3 w-max text-sm tracking-wide font-bold text-white border-white">
           CONFIG
         </div>
+        <div className="p-2 ml-auto">
+          <input
+            type="file"
+            accept=".yml,.yaml"
+            ref={inputFile}
+            className="hidden"
+            onChange={(e) => {
+              if (!e.target.files) {
+                return;
+              }
+
+              e.target.files[0].text().then((yml) => {
+                loadConfig(yml);
+              });
+            }}
+          />
+          <DropdownContainer className="rounded-md bg-circle-blue text-white px-2">
+            <div className="bg-white flex-col flex rounded shadow text-base">
+              <button
+                className="border-b border-circle-gray-300 px-8"
+                onClick={(e) => {
+                  inputFile.current?.click();
+                  e.stopPropagation();
+                }}
+              >
+                Open
+              </button>
+              <button>Save</button>
+            </div>
+          </DropdownContainer>
+        </div>
       </div>
       <div className="flex-1 overflow-hidden">
-        {
-          editingConfig ?
-            (<DiffEditor
-              theme="vs-dark"
-              language="yaml"
-              original={config && configYAML(config)}
-              modified={editingConfig && configYAML(editingConfig)}
-            />)
-            :
-            (<Editor
-              theme="vs-dark"
-              language="yaml"
-              value={config && configYAML(config)}
-            />
-            )
-        }
+        {editingConfig ? (
+          <DiffEditor
+            theme="vs-dark"
+            language="yaml"
+            original={config && configYAML(config)}
+            modified={editingConfig && configYAML(editingConfig)}
+          />
+        ) : (
+          <Editor
+            theme="vs-dark"
+            language="yaml"
+            value={config && configYAML(config)}
+          />
+        )}
       </div>
     </div>
   );

src/components/panes/WorkflowsPane.tsx

@@ -23,6 +23,7 @@ const WorkflowsPane = () => {
         bgClassName="bg-circle-gray-200"
         className="border border-r-0 h-full border-b-0 border-circle-gray-300"
       />
+
     </div>
   );
 };

src/state/Store.tsx

@@ -2,8 +2,9 @@ import {
   Config,
   Job,
   parameters,
+  parseConfig,
   reusable,
-  Workflow,
+  Workflow
 } from '@circleci/circleci-config-sdk';
 import { CustomCommand } from '@circleci/circleci-config-sdk/dist/src/lib/Components/Commands/exports/Reusable';
 import { CustomParameter } from '@circleci/circleci-config-sdk/dist/src/lib/Components/Parameters';
@@ -16,7 +17,7 @@ import {
   isNode,
   Node,
   SetConnectionId,
-  XYPosition,
+  XYPosition
 } from 'react-flow-renderer';
 import { v4 } from 'uuid';
 import DefinitionsMenu from '../components/menus/definitions/DefinitionsMenu';
@@ -165,6 +166,7 @@ export interface StoreActions {
     CustomParameter<PipelineParameterLiteral>
   >;
 
+  loadConfig: Action<StoreModel, string>;
   generateConfig: Action<StoreModel, void | Partial<DefinitionModel>>;
   error: Action<StoreModel, any>;
 }
@@ -356,6 +358,19 @@ const Actions: StoreActions = {
     console.error('An action was not found! ', payload);
   }),
 
+  loadConfig: action((state, payload) => {
+    const config = parseConfig(payload);
+
+    state.definitions = {
+      workflows: config.workflows,
+      jobs: config.jobs,
+      executors: config.executors || [],
+      parameters: config.parameters?.parameters || [],
+      commands: config.commands || [],
+    };
+
+    state.config = config.stringify();
+  }),
   generateConfig: action((state, payload) => {
     const workflows = state.workflows.map((flow) => {
       const jobs = flow.elements