From 52f0c14c78dff585b95882ef173ca01e8417ba55 Mon Sep 17 00:00:00 2001
From: Zef Hemel <zef@zef.me>
Date: Wed, 21 Dec 2022 16:08:51 +0100
Subject: [PATCH] Fixes #207

---
 web/components/basic_modals.tsx             | 123 +++++++++++++++
 web/components/filter.tsx                   |   4 +-
 web/editor.tsx                              | 158 +++++++++++++-------
 web/reducer.ts                              |  30 ++++
 web/styles/main.scss                        |   2 +-
 web/styles/{filter_box.scss => modals.scss} |  19 ++-
 web/styles/theme.scss                       |  16 +-
 web/syscalls/editor.ts                      |   8 +-
 web/types.ts                                |  28 ++++
 9 files changed, 312 insertions(+), 76 deletions(-)
 create mode 100644 web/components/basic_modals.tsx
 rename web/styles/{filter_box.scss => modals.scss} (82%)

diff --git a/web/components/basic_modals.tsx b/web/components/basic_modals.tsx
new file mode 100644
index 00000000..b33c0e33
--- /dev/null
+++ b/web/components/basic_modals.tsx
@@ -0,0 +1,123 @@
+import type { CompletionContext, CompletionResult } from "../deps.ts";
+import { useRef, useState } from "../deps.ts";
+import { MiniEditor } from "./mini_editor.tsx";
+
+export function Prompt({
+  message,
+  defaultValue,
+  vimMode,
+  darkMode,
+  completer,
+  callback,
+}: {
+  message: string;
+  defaultValue?: string;
+  vimMode: boolean;
+  darkMode: boolean;
+  completer: (context: CompletionContext) => Promise<CompletionResult | null>;
+  callback: (value?: string) => void;
+}) {
+  const [text, setText] = useState(defaultValue || "");
+  const returnEl = (
+    <div className="sb-modal-wrapper">
+      <div className="sb-modal-box">
+        <div className="sb-prompt">
+          <label>{message}</label>
+          <MiniEditor
+            text={defaultValue || ""}
+            vimMode={vimMode}
+            vimStartInInsertMode={true}
+            focus={true}
+            darkMode={darkMode}
+            completer={completer}
+            onEnter={(text) => {
+              callback(text);
+              return true;
+            }}
+            onEscape={() => {
+              callback();
+            }}
+            onChange={(text) => {
+              setText(text);
+            }}
+          />
+          <button
+            onClick={() => {
+              callback(text);
+            }}
+          >
+            Ok
+          </button>
+          <button
+            onClick={() => {
+              callback();
+            }}
+          >
+            Cancel
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+
+  return returnEl;
+}
+
+export function Confirm({
+  message,
+  callback,
+}: {
+  message: string;
+  callback: (value: boolean) => void;
+}) {
+  const okButtonRef = useRef<HTMLButtonElement>(null);
+  setTimeout(() => {
+    okButtonRef.current?.focus();
+  });
+  const returnEl = (
+    <div className="sb-modal-wrapper">
+      <div className="sb-modal-box">
+        <div
+          className="sb-prompt"
+          onKeyDown={(e) => {
+            e.stopPropagation();
+            e.preventDefault();
+            switch (e.key) {
+              case "Enter":
+                callback(true);
+                break;
+              case "Escape":
+                callback(false);
+                break;
+            }
+          }}
+        >
+          <label>{message}</label>
+          <div>
+            <button
+              ref={okButtonRef}
+              onClick={(e) => {
+                e.stopPropagation();
+                e.preventDefault();
+                callback(true);
+              }}
+            >
+              Ok
+            </button>
+            <button
+              onClick={(e) => {
+                e.stopPropagation();
+                e.preventDefault();
+                callback(false);
+              }}
+            >
+              Cancel
+            </button>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+
+  return returnEl;
+}
diff --git a/web/components/filter.tsx b/web/components/filter.tsx
index d0fd7d25..691a64bf 100644
--- a/web/components/filter.tsx
+++ b/web/components/filter.tsx
@@ -127,8 +127,8 @@ export function FilterList({
   }, []);
 
   const returnEl = (
-    <div className="sb-filter-wrapper">
-      <div className="sb-filter-box">
+    <div className="sb-modal-wrapper">
+      <div className="sb-modal-box">
         <div className="sb-header">
           <label>{label}</label>
           <MiniEditor
diff --git a/web/editor.tsx b/web/editor.tsx
index d441ba24..3da79e1d 100644
--- a/web/editor.tsx
+++ b/web/editor.tsx
@@ -1,15 +1,4 @@
 // Third party web dependencies
-import {
-  BookIcon,
-  HomeIcon,
-  preactRender,
-  TerminalIcon,
-  useEffect,
-  useReducer,
-  yUndoManagerKeymap,
-} from "./deps.ts";
-
-// Third-party dependencies
 import {
   autocompletion,
   closeBrackets,
@@ -32,6 +21,7 @@ import {
   keymap,
   LanguageDescription,
   LanguageSupport,
+  markdown,
   runScopeHandlers,
   searchKeymap,
   standardKeymap,
@@ -43,9 +33,7 @@ import {
   ViewUpdate,
   yamlLanguage,
 } from "../common/deps.ts";
-
 import { SilverBulletHooks } from "../common/manifest.ts";
-import { markdown } from "../common/deps.ts";
 import {
   loadMarkdownExtensions,
   MDExt,
@@ -55,50 +43,14 @@ import { Space } from "../common/spaces/space.ts";
 import { markdownSyscalls } from "../common/syscalls/markdown.ts";
 import { FilterOption, PageMeta } from "../common/types.ts";
 import { isMacLike, safeRun, throttle } from "../common/util.ts";
-
-import { PathPageNavigator } from "./navigator.ts";
-import reducer from "./reducer.ts";
-
-// PlugOS Dependencies
 import { createSandbox } from "../plugos/environments/webworker_sandbox.ts";
 import { EventHook } from "../plugos/hooks/event.ts";
+import assetSyscalls from "../plugos/syscalls/asset.ts";
 import { eventSyscalls } from "../plugos/syscalls/event.ts";
 import sandboxSyscalls from "../plugos/syscalls/sandbox.ts";
 import { System } from "../plugos/system.ts";
-import { CommandHook } from "./hooks/command.ts";
-import { SlashCommandHook } from "./hooks/slash_command.ts";
-
-// Syscalls
-import { clientStoreSyscalls } from "./syscalls/clientStore.ts";
-import { editorSyscalls } from "./syscalls/editor.ts";
-import { fulltextSyscalls } from "./syscalls/fulltext.ts";
-import { indexerSyscalls } from "./syscalls/index.ts";
-import { spaceSyscalls } from "./syscalls/space.ts";
-import { storeSyscalls } from "./syscalls/store.ts";
-import { systemSyscalls } from "./syscalls/system.ts";
-import assetSyscalls from "../plugos/syscalls/asset.ts";
-
-// State and state transitions
-import {
-  Action,
-  AppViewState,
-  BuiltinSettings,
-  initialViewState,
-} from "./types.ts";
-import type {
-  AppEvent,
-  ClickEvent,
-  CompleteEvent,
-} from "../plug-api/app_event.ts";
-
-// UI Components
-import { CommandPalette } from "./components/command_palette.tsx";
-import { FilterList } from "./components/filter.tsx";
-import { PageNavigator } from "./components/page_navigator.tsx";
-import { Panel } from "./components/panel.tsx";
-import { TopBar } from "./components/top_bar.tsx";
-
-// CodeMirror plugins
+import { cleanModePlugins } from "./cm_plugins/clean.ts";
+import { CollabState } from "./cm_plugins/collab.ts";
 import {
   attachmentExtension,
   pasteLinkExtension,
@@ -106,14 +58,50 @@ import {
 import { inlineImagesPlugin } from "./cm_plugins/inline_image.ts";
 import { lineWrapper } from "./cm_plugins/line_wrapper.ts";
 import { smartQuoteKeymap } from "./cm_plugins/smart_quotes.ts";
-import { cleanModePlugins } from "./cm_plugins/clean.ts";
+import { Confirm, Prompt } from "./components/basic_modals.tsx";
+import { CommandPalette } from "./components/command_palette.tsx";
+import { FilterList } from "./components/filter.tsx";
+import { PageNavigator } from "./components/page_navigator.tsx";
+import { Panel } from "./components/panel.tsx";
+import { TopBar } from "./components/top_bar.tsx";
+import {
+  BookIcon,
+  HomeIcon,
+  preactRender,
+  TerminalIcon,
+  useEffect,
+  useReducer,
+  vim,
+  yUndoManagerKeymap,
+} from "./deps.ts";
+import { CommandHook } from "./hooks/command.ts";
+import { SlashCommandHook } from "./hooks/slash_command.ts";
+import { PathPageNavigator } from "./navigator.ts";
+import reducer from "./reducer.ts";
 import customMarkdownStyle from "./style.ts";
-
-// Real-time collaboration
-import { CollabState } from "./cm_plugins/collab.ts";
+import { clientStoreSyscalls } from "./syscalls/clientStore.ts";
 import { collabSyscalls } from "./syscalls/collab.ts";
-import { Vim, vim, vimGetCm } from "./deps.ts";
+import { editorSyscalls } from "./syscalls/editor.ts";
+import { fulltextSyscalls } from "./syscalls/fulltext.ts";
+import { indexerSyscalls } from "./syscalls/index.ts";
+import { spaceSyscalls } from "./syscalls/space.ts";
+import { storeSyscalls } from "./syscalls/store.ts";
+import { systemSyscalls } from "./syscalls/system.ts";
+import { AppViewState, BuiltinSettings, initialViewState } from "./types.ts";
 
+// Third-party dependencies
+// PlugOS Dependencies
+// Syscalls
+// State and state transitions
+import type {
+  AppEvent,
+  ClickEvent,
+  CompleteEvent,
+} from "../plug-api/app_event.ts";
+
+// UI Components
+// CodeMirror plugins
+// Real-time collaboration
 const frontMatterRegex = /^---\n(.*?)---\n/ms;
 
 class PageState {
@@ -423,6 +411,40 @@ export class Editor {
     });
   }
 
+  prompt(
+    message: string,
+    defaultValue = "",
+  ): Promise<string | undefined> {
+    return new Promise((resolve) => {
+      this.viewDispatch({
+        type: "show-prompt",
+        message,
+        defaultValue,
+        callback: (value: string | undefined) => {
+          this.viewDispatch({ type: "hide-prompt" });
+          this.focus();
+          resolve(value);
+        },
+      });
+    });
+  }
+
+  confirm(
+    message: string,
+  ): Promise<boolean> {
+    return new Promise((resolve) => {
+      this.viewDispatch({
+        type: "show-confirm",
+        message,
+        callback: (value: boolean) => {
+          this.viewDispatch({ type: "hide-confirm" });
+          this.focus();
+          resolve(value);
+        },
+      });
+    });
+  }
+
   dispatchAppEvent(name: AppEvent, data?: any): Promise<any[]> {
     return this.eventHook.dispatchEvent(name, data);
   }
@@ -924,6 +946,28 @@ export class Editor {
             onSelect={viewState.filterBoxOnSelect}
           />
         )}
+        {viewState.showPrompt && (
+          <Prompt
+            message={viewState.promptMessage!}
+            defaultValue={viewState.promptDefaultValue}
+            vimMode={viewState.uiOptions.vimMode}
+            darkMode={viewState.uiOptions.darkMode}
+            completer={this.miniEditorComplete.bind(this)}
+            callback={(value) => {
+              dispatch({ type: "hide-prompt" });
+              viewState.promptCallback!(value);
+            }}
+          />
+        )}
+        {viewState.showConfirm && (
+          <Confirm
+            message={viewState.confirmMessage!}
+            callback={(value) => {
+              dispatch({ type: "hide-confirm" });
+              viewState.confirmCallback!(value);
+            }}
+          />
+        )}
         <TopBar
           pageName={viewState.currentPage}
           notifications={viewState.notifications}
diff --git a/web/reducer.ts b/web/reducer.ts
index 85170f32..e345fa47 100644
--- a/web/reducer.ts
+++ b/web/reducer.ts
@@ -139,6 +139,36 @@ export default function reducer(
         filterBoxOptions: [],
         filterBoxHelpText: "",
       };
+    case "show-prompt":
+      return {
+        ...state,
+        showPrompt: true,
+        promptDefaultValue: action.defaultValue,
+        promptMessage: action.message,
+        promptCallback: action.callback,
+      };
+    case "hide-prompt":
+      return {
+        ...state,
+        showPrompt: false,
+        promptDefaultValue: undefined,
+        promptMessage: undefined,
+        promptCallback: undefined,
+      };
+    case "show-confirm":
+      return {
+        ...state,
+        showConfirm: true,
+        confirmMessage: action.message,
+        confirmCallback: action.callback,
+      };
+    case "hide-confirm":
+      return {
+        ...state,
+        showConfirm: false,
+        confirmMessage: undefined,
+        confirmCallback: undefined,
+      };
     case "set-ui-option":
       return {
         ...state,
diff --git a/web/styles/main.scss b/web/styles/main.scss
index f7e2150e..b7bca86e 100644
--- a/web/styles/main.scss
+++ b/web/styles/main.scss
@@ -1,5 +1,5 @@
 @use "editor";
-@use "filter_box";
+@use "modals";
 @use "theme";
 
 @font-face {
diff --git a/web/styles/filter_box.scss b/web/styles/modals.scss
similarity index 82%
rename from web/styles/filter_box.scss
rename to web/styles/modals.scss
index 6b2e48ce..0eb0c869 100644
--- a/web/styles/filter_box.scss
+++ b/web/styles/modals.scss
@@ -1,4 +1,4 @@
-.sb-filter-wrapper {
+.sb-modal-wrapper {
   position: absolute;
   margin: auto;
   max-width: 500px;
@@ -11,7 +11,7 @@
   z-index: 100;
 }
 
-.sb-filter-box {
+.sb-modal-box {
   border-radius: 8px;
   overflow: hidden;
   margin: 10px;
@@ -27,6 +27,19 @@
 
   }
 
+  .sb-prompt {
+    padding: 13px 10px 10px 10px;
+
+    label {
+      font-weight: bold;
+    }
+
+    .sb-mini-editor {
+      border: 1px solid #333;
+      margin: 10px 0;
+    }
+  }
+
   .sb-help-text {
     padding: 5px;
   }
@@ -46,9 +59,7 @@
   .sb-selected-option {
     padding: 8px;
     cursor: pointer;
-    // height: 20px;
     line-height: 20px;
-    // white-space: nowrap;
   }
 
   .sb-selected-option {
diff --git a/web/styles/theme.scss b/web/styles/theme.scss
index 6fb239ba..5aa1c6c3 100644
--- a/web/styles/theme.scss
+++ b/web/styles/theme.scss
@@ -69,7 +69,7 @@
 }
 
 /* Filter boxes */
-.sb-filter-box {
+.sb-modal-box {
   background-color: #fff;
   border: rgb(103, 103, 103) 1px solid;
   box-shadow: rgba(0, 0, 0, 0.35) 0px 20px 20px;
@@ -87,29 +87,29 @@
   }
 }
 
-.sb-filter-box .sb-header {
+.sb-modal-box .sb-header {
   border-bottom: 1px rgb(108, 108, 108) solid;
 }
 
-.sb-filter-box .sb-header .sb-mini-editor {
+.sb-modal-box .sb-header .sb-mini-editor {
   font-family: var(--ui-font);
   width: 100%;
   border: 0;
   outline: none;
 }
 
-.sb-filter-box .sb-help-text {
+.sb-modal-box .sb-help-text {
   background-color: #eee;
   border-bottom: 1px rgb(108, 108, 108) solid;
   color: #555;
 }
 
-.sb-filter-box .sb-selected-option {
+.sb-modal-box .sb-selected-option {
   color: #eee;
 }
 
-.sb-filter-box .sb-option .sb-hint,
-.sb-filter-box .sb-selected-option .sb-hint {
+.sb-modal-box .sb-option .sb-hint,
+.sb-modal-box .sb-selected-option .sb-hint {
   color: #eee;
   background-color: #212476;
 }
@@ -570,7 +570,7 @@ html[data-theme="dark"] {
 
 
 
-  .sb-filter-box,
+  .sb-modal-box,
   /* duplicating the class name to increase specificity */
   .sb-help-text.sb-help-text {
     color: #ccc;
diff --git a/web/syscalls/editor.ts b/web/syscalls/editor.ts
index fe44d253..6b8f154d 100644
--- a/web/syscalls/editor.ts
+++ b/web/syscalls/editor.ts
@@ -139,14 +139,14 @@ export function editorSyscalls(editor: Editor): SysCallMapping {
       _ctx,
       message: string,
       defaultValue = "",
-    ): string | null => {
-      return prompt(message, defaultValue);
+    ): Promise<string | undefined> => {
+      return editor.prompt(message, defaultValue);
     },
     "editor.confirm": (
       _ctx,
       message: string,
-    ): boolean => {
-      return confirm(message);
+    ): Promise<boolean> => {
+      return editor.confirm(message);
     },
     "editor.getUiOption": (_ctx, key: string): any => {
       return (editor.viewState.uiOptions as any)[key];
diff --git a/web/types.ts b/web/types.ts
index 1463cb43..d730684b 100644
--- a/web/types.ts
+++ b/web/types.ts
@@ -42,12 +42,24 @@ export type AppViewState = {
     forcedROMode: boolean;
   };
 
+  // Filter box
   showFilterBox: boolean;
   filterBoxLabel: string;
   filterBoxPlaceHolder: string;
   filterBoxOptions: FilterOption[];
   filterBoxHelpText: string;
   filterBoxOnSelect: (option: FilterOption | undefined) => void;
+
+  // Prompt
+  showPrompt: boolean;
+  promptMessage?: string;
+  promptDefaultValue?: string;
+  promptCallback?: (value: string | undefined) => void;
+
+  // Confirm
+  showConfirm: boolean;
+  confirmMessage?: string;
+  confirmCallback?: (value: boolean) => void;
 };
 
 export const initialViewState: AppViewState = {
@@ -78,6 +90,9 @@ export const initialViewState: AppViewState = {
   filterBoxOnSelect: () => {},
   filterBoxOptions: [],
   filterBoxPlaceHolder: "",
+
+  showPrompt: false,
+  showConfirm: false,
 };
 
 export type Action =
@@ -112,4 +127,17 @@ export type Action =
     onSelect: (option: FilterOption | undefined) => void;
   }
   | { type: "hide-filterbox" }
+  | {
+    type: "show-prompt";
+    message: string;
+    defaultValue: string;
+    callback: (value: string | undefined) => void;
+  }
+  | { type: "hide-prompt" }
+  | {
+    type: "show-confirm";
+    message: string;
+    callback: (value: boolean) => void;
+  }
+  | { type: "hide-confirm" }
   | { type: "set-ui-option"; key: string; value: any };