multi select plus multi delete

libs/remix-ui/file-explorer/src/lib/file-explorer-context-menu.tsx

 import React, { useRef, useEffect } from 'react' // eslint-disable-line
-import { FileExplorerContextMenuProps } from './types'
+import { action, FileExplorerContextMenuProps } from './types'
 
 import './css/file-explorer-context-menu.css'
 
 export const FileExplorerContextMenu = (props: FileExplorerContextMenuProps) => {
-  const { actions, createNewFile, createNewFolder, deletePath, renamePath, hideContextMenu, publishToGist, runScript, emit, pageX, pageY, path, type, ...otherProps } = props
+  const { actions, createNewFile, createNewFolder, deletePath, renamePath, hideContextMenu, publishToGist, runScript, emit, pageX, pageY, path, type, focus, ...otherProps } = props
   const contextMenuRef = useRef(null)
-
   useEffect(() => {
     contextMenuRef.current.focus()
   }, [])
@@ -22,13 +21,42 @@ export const FileExplorerContextMenu = (props: FileExplorerContextMenuProps) =>
     }
   }, [pageX, pageY])
 
+  const filterItem = (item: action) => {
+    /**
+     * if there are multiple elements focused we need to take this and all conditions must be met plus the action must be set to 'multi'
+     * for example : 'downloadAsZip' with type ['file','folder','multi'] will work on files and folders when multiple are selected
+    **/
+    const nonRootFocus = focus.filter((el) => { return !(el.key === '' && el.type === 'folder') })
+    if (nonRootFocus.length > 1) {
+      for (const element of nonRootFocus) {
+        if (!itemMatchesCondition(item, element.type, element.key)) return false
+      }
+      return (item.type.includes('multi'))
+    } else {
+      return itemMatchesCondition(item, type, path)
+    }
+  }
+
+  const itemMatchesCondition = (item: action, itemType: string, itemPath: string) => {
+    if (item.type && Array.isArray(item.type) && (item.type.findIndex(name => name === itemType) !== -1)) return true
+    else if (item.path && Array.isArray(item.path) && (item.path.findIndex(key => key === itemPath) !== -1)) return true
+    else if (item.extension && Array.isArray(item.extension) && (item.extension.findIndex(ext => itemPath.endsWith(ext)) !== -1)) return true
+    else if (item.pattern && Array.isArray(item.pattern) && (item.pattern.filter(value => itemPath.match(new RegExp(value))).length > 0)) return true
+    else return false
+  }
+
+  const getPath = () => {
+    const nonRootFocus = focus.filter((el) => { return !(el.key === '' && el.type === 'folder') })
+    if (nonRootFocus.length > 1) {
+      return nonRootFocus.map((element) => { return element.key })
+    } else {
+      return path
+    }
+  }
+
   const menu = () => {
     return actions.filter(item => {
-      if (item.type && Array.isArray(item.type) && (item.type.findIndex(name => name === type) !== -1)) return true
-      else if (item.path && Array.isArray(item.path) && (item.path.findIndex(key => key === path) !== -1)) return true
-      else if (item.extension && Array.isArray(item.extension) && (item.extension.findIndex(ext => path.endsWith(ext)) !== -1)) return true
-      else if (item.pattern && Array.isArray(item.pattern) && (item.pattern.filter(value => path.match(new RegExp(value))).length > 0)) return true
-      else return false
+      return filterItem(item)
     }).map((item, index) => {
       return <li
         id={`menuitem${item.name.toLowerCase()}`}
@@ -47,7 +75,7 @@ export const FileExplorerContextMenu = (props: FileExplorerContextMenuProps) =>
               renamePath(path, type)
               break
             case 'Delete':
-              deletePath(path)
+              deletePath(getPath())
               break
             case 'Push changes to gist':
               publishToGist()
@@ -56,7 +84,7 @@ export const FileExplorerContextMenu = (props: FileExplorerContextMenuProps) =>
               runScript(path)
               break
             default:
-              emit && emit(item.id, path)
+              emit && emit(item.id, getPath())
               break
           }
           hideContextMenu()

libs/remix-ui/file-explorer/src/lib/file-explorer.tsx

@@ -19,10 +19,7 @@ const queryParams = new QueryParams()
 export const FileExplorer = (props: FileExplorerProps) => {
   const { name, registry, plugin, focusRoot, contextMenuItems, displayInput, externalUploads } = props
   const [state, setState] = useState({
-    focusElement: [{
-      key: '',
-      type: 'folder'
-    }],
+    focusElement: [{ key: '', type: 'folder' }],
     focusPath: null,
     files: [],
     fileManager: null,
@@ -52,7 +49,7 @@ export const FileExplorer = (props: FileExplorerProps) => {
     }, {
       id: 'delete',
       name: 'Delete',
-      type: ['file', 'folder'],
+      type: ['file', 'folder', 'multi'],
       path: [],
       extension: [],
       pattern: []
@@ -70,6 +67,13 @@ export const FileExplorer = (props: FileExplorerProps) => {
       path: [],
       extension: ['.js'],
       pattern: []
+    }, {
+      id: 'test',
+      name: 'test',
+      type: ['file', 'folder', 'multi'],
+      path: [],
+      extension: [],
+      pattern: []
     }],
     focusContext: {
       element: null,
@@ -88,6 +92,7 @@ export const FileExplorer = (props: FileExplorerProps) => {
       hide: true,
       title: '',
       message: '',
+      children: <></>,
       ok: {
         label: '',
         fn: () => {}
@@ -203,7 +208,8 @@ export const FileExplorer = (props: FileExplorerProps) => {
           message: prevState.modals[0].message,
           ok: prevState.modals[0].ok,
           cancel: prevState.modals[0].cancel,
-          handleHide: prevState.modals[0].handleHide
+          handleHide: prevState.modals[0].handleHide,
+          children: prevState.modals[0].children
         }
 
         prevState.modals.shift()
@@ -216,6 +222,31 @@ export const FileExplorer = (props: FileExplorerProps) => {
     }
   }, [state.modals])
 
+  useEffect(() => {
+    const keyPressHandler = (e: KeyboardEvent) => {
+      if (e.key === 'Shift') {
+        setState(prevState => {
+          return { ...prevState, ctrlKey: true }
+        })
+      }
+    }
+
+    const keyUpHandler = (e: KeyboardEvent) => {
+      if (e.key === 'Shift') {
+        setState(prevState => {
+          return { ...prevState, ctrlKey: false }
+        })
+      }
+    }
+
+    document.addEventListener('keydown', keyPressHandler)
+    document.addEventListener('keyup', keyUpHandler)
+    return () => {
+      document.removeEventListener('keydown', keyPressHandler)
+      document.removeEventListener('keyup', keyUpHandler)
+    }
+  }, [])
+
   const extractNameFromKey = (key: string):string => {
     const keyPath = key.split('/')
 
@@ -280,29 +311,32 @@ export const FileExplorer = (props: FileExplorerProps) => {
     }
   }
 
-  const deletePath = async (path: string) => {
+  const deletePath = async (path: string | string[]) => {
     const filesProvider = fileSystem.provider.provider
-
-    if (filesProvider.isReadOnly(path)) {
+    if (!Array.isArray(path)) path = [path]
+    const children: React.ReactFragment = <div><div>Are you sure you want to delete {path.length > 1 ? 'these items' : 'this item'}?</div>{path.map((item, i) => (<li key={i}>{item}</li>))}</div>
+    for (const p of path) {
+      if (filesProvider.isReadOnly(p)) {
         return toast('cannot delete file. ' + name + ' is a read only explorer')
       }
-    const isDir = state.fileManager.isDirectory(path)
-
-    modal(`Delete ${isDir ? 'folder' : 'file'}`, `Are you sure you want to delete ${path} ${isDir ? 'folder' : 'file'}?`, {
+    }
+    modal(`Delete ${path.length > 1 ? 'items' : 'item'}`, '', {
       label: 'OK',
       fn: async () => {
-        try {
         const fileManager = state.fileManager
-
-          await fileManager.remove(path)
+        for (const p of path) {
+          try {
+            await fileManager.remove(p)
           } catch (e) {
-          toast(`Failed to remove ${isDir ? 'folder' : 'file'} ${path}.`)
+            const isDir = state.fileManager.isDirectory(p)
+            toast(`Failed to remove ${isDir ? 'folder' : 'file'} ${p}.`)
+          }
         }
       }
     }, {
       label: 'Cancel',
       fn: () => {}
-    })
+    }, children)
   }
 
   const renamePath = async (oldPath: string, newPath: string) => {
@@ -526,7 +560,7 @@ export const FileExplorer = (props: FileExplorerProps) => {
     })
   }
 
-  const emitContextMenuEvent = (id: string, path: string) => {
+  const emitContextMenuEvent = (id: string, path: string | string[]) => {
     plugin.emit(id, path)
   }
 
@@ -536,13 +570,14 @@ export const FileExplorer = (props: FileExplorerProps) => {
     })
   }
 
-  const modal = (title: string, message: string, ok: { label: string, fn: () => void }, cancel: { label: string, fn: () => void }) => {
+  const modal = (title: string, message: string, ok: { label: string, fn: () => void }, cancel: { label: string, fn: () => void }, children?:React.ReactNode) => {
     setState(prevState => {
       return {
         ...prevState,
         modals: [...prevState.modals,
           {
             message,
+            children,
             title,
             ok,
             cancel,
@@ -560,10 +595,22 @@ export const FileExplorer = (props: FileExplorerProps) => {
 
   const handleClickFile = (path: string) => {
     path = path.indexOf(props.name + '/') === 0 ? path.replace(props.name + '/', '') : path
+    if (!state.ctrlKey) {
       state.fileManager.open(path)
       setState(prevState => {
         return { ...prevState, focusElement: [{ key: path, type: 'file' }] }
       })
+    } else {
+      if (state.focusElement.findIndex(item => item.key === path) !== -1) {
+        setState(prevState => {
+          return { ...prevState, focusElement: [...prevState.focusElement.filter(item => item.key !== path)] }
+        })
+      } else {
+        setState(prevState => {
+          return { ...prevState, focusElement: [...prevState.focusElement, { key: path, type: 'file' }] }
+        })
+      }
+    }
   }
 
   const handleClickFolder = async (path: string) => {
@@ -864,6 +911,7 @@ export const FileExplorer = (props: FileExplorerProps) => {
           id={ props.name }
           title={ state.focusModal.title }
           message={ state.focusModal.message }
+          children={ state.focusModal.children }
           hide={ state.focusModal.hide }
           ok={ state.focusModal.ok }
           cancel={ state.focusModal.cancel }
@@ -885,6 +933,7 @@ export const FileExplorer = (props: FileExplorerProps) => {
           pageY={state.focusContext.y}
           path={state.focusContext.element}
           type={state.focusContext.type}
+          focus={state.focusElement}
           onMouseOver={(e) => {
             e.stopPropagation()
             handleMouseOver(state.focusContext.element)

libs/remix-ui/file-explorer/src/lib/types/index.ts

@@ -27,20 +27,21 @@ export interface FileExplorerMenuProps {
     publishToGist: () => void,
     uploadFile: (target: EventTarget & HTMLInputElement) => void
 }
-
+export type action = { name: string, type: string[], path: string[], extension: string[], pattern: string[], id: string }
 export interface FileExplorerContextMenuProps {
-    actions: { name: string, type: string[], path: string[], extension: string[], pattern: string[], id: string }[],
+    actions: action[],
     createNewFile: (folder?: string) => void,
     createNewFolder: (parentFolder?: string) => void,
-    deletePath: (path: string) => void,
+    deletePath: (path: string | string[]) => void,
     renamePath: (path: string, type: string) => void,
     hideContextMenu: () => void,
     publishToGist?: () => void,
     runScript?: (path: string) => void,
-    emit?: (id: string, path: string) => void,
+    emit?: (id: string, path: string | string[]) => void,
     pageX: number,
     pageY: number,
     path: string,
     type: string,
+    focus: {key:string, type:string}[]
     onMouseOver?: (...args) => void
 }

libs/remix-ui/tree-view/src/lib/tree-view-item/tree-view-item.tsx

@@ -14,7 +14,7 @@ export const TreeViewItem = (props: TreeViewItemProps) => {
   return (
     <li ref={innerRef} key={`treeViewLi${id}`} data-id={`treeViewLi${id}`} className='li_tv' {...otherProps}>
       <div key={`treeViewDiv${id}`} data-id={`treeViewDiv${id}`} className={`d-flex flex-row align-items-center ${labelClass}`} onClick={() => !controlBehaviour && setIsExpanded(!isExpanded)}>
-        { controlBehaviour ? null : children ? <div className={isExpanded ? `px-1 ${iconY} caret caret_tv` : `px-1 ${iconX} caret caret_tv`} style={{ visibility: children ? 'visible' : 'hidden' }}></div> : icon ? <div className={`pr-3 pl-1 ${icon} caret caret_tv`}></div> : null }
+        { children ? <div className={isExpanded ? `px-1 ${iconY} caret caret_tv` : `px-1 ${iconX} caret caret_tv`} style={{ visibility: children ? 'visible' : 'hidden' }}></div> : icon ? <div className={`pr-3 pl-1 ${icon} caret caret_tv`}></div> : null }
         <span className='w-100 pl-1'>
           { label }
         </span>

package.json

@@ -159,7 +159,6 @@
     "isbinaryfile": "^3.0.2",
     "jquery": "^3.3.1",
     "jszip": "^3.6.0",
-    "lodash": "^4.17.21",
     "latest-version": "^5.1.0",
     "lodash": "^4.17.21",
     "merge": "^1.2.0",