From addf310ae158577ee80cd07e6daf29129f864c62 Mon Sep 17 00:00:00 2001
From: Jonatan Heyman <jonatan@heyman.info>
Date: Fri, 11 Apr 2025 00:10:29 +0200
Subject: [PATCH] Add "command palette" functionality

---
 src/components/App.vue            |  9 +++-
 src/components/BufferSelector.vue | 76 ++++++++++++++++++++++---------
 src/editor/commands.js            |  5 ++
 src/editor/editor.js              | 14 ++++++
 src/editor/keymap.js              |  1 +
 src/stores/heynote-store.js       | 15 ++++++
 6 files changed, 96 insertions(+), 24 deletions(-)

diff --git a/src/components/App.vue b/src/components/App.vue
index 5a762e9..4f82b12 100644
--- a/src/components/App.vue
+++ b/src/components/App.vue
@@ -65,6 +65,7 @@
             showCreateBuffer(value) { this.dialogWatcher(value) },
             showEditBuffer(value) { this.dialogWatcher(value) },
             showMoveToBufferSelector(value) { this.dialogWatcher(value) },
+            showCommandPalette(value) { this.dialogWatcher(value) },
 
             currentBufferPath() {
                 this.focusEditor()
@@ -85,10 +86,11 @@
                 "showCreateBuffer",
                 "showEditBuffer",
                 "showMoveToBufferSelector",
+                "showCommandPalette",
             ]),
 
             dialogVisible() {
-                return this.showLanguageSelector || this.showBufferSelector || this.showCreateBuffer || this.showEditBuffer || this.showMoveToBufferSelector
+                return this.showLanguageSelector || this.showBufferSelector || this.showCreateBuffer || this.showEditBuffer || this.showMoveToBufferSelector || this.showCommandPalette
             },
 
             editorInert() {
@@ -176,7 +178,9 @@
                 @close="closeDialog"
             />
             <BufferSelector 
-                v-if="showBufferSelector" 
+                v-if="showBufferSelector || showCommandPalette" 
+                :initialFilter="showCommandPalette ? '>' : ''"
+                :commandsEnabled="true"
                 @openBuffer="openBuffer"
                 @openCreateBuffer="(nameSuggestion) => openCreateBuffer('new', nameSuggestion)"
                 @close="closeBufferSelector"
@@ -184,6 +188,7 @@
             <BufferSelector 
                 v-if="showMoveToBufferSelector" 
                 headline="Move block to..."
+                :commandsEnabled="false"
                 @openBuffer="onMoveCurrentBlockToOtherEditor"
                 @openCreateBuffer="(nameSuggestion) => openCreateBuffer('currentBlock', nameSuggestion)"
                 @close="closeMoveToBufferSelector"
diff --git a/src/components/BufferSelector.vue b/src/components/BufferSelector.vue
index 2a4693b..246c1d7 100644
--- a/src/components/BufferSelector.vue
+++ b/src/components/BufferSelector.vue
@@ -4,6 +4,7 @@
     import { mapState, mapActions } from 'pinia'
     import { SCRATCH_FILE_NAME } from "../common/constants"
     import { useHeynoteStore } from "../stores/heynote-store"
+    import { HEYNOTE_COMMANDS } from '../editor/commands'
 
     const pathSep = window.heynote.buffer.pathSeparator
 
@@ -19,13 +20,15 @@
     export default {
         props: {
             headline: String,
+            initialFilter: String,
+            commandsEnabled: Boolean,
         },
         
         data() {
             return {
                 selected: 0,
                 actionButton: 0,
-                filter: "",
+                filter: this.initialFilter || "",
                 items: [],
                 SCRATCH_FILE_NAME: SCRATCH_FILE_NAME,
                 deleteConfirm: false,
@@ -48,6 +51,14 @@
                 "recentBufferPaths",
             ]),
 
+            commands() {
+                return Object.keys(HEYNOTE_COMMANDS).map(cmd => ({
+                    name: cmd,
+                    cmd: cmd,
+                    isCommand: true,
+                }))
+            },
+
             orderedItems() {
                 const sortKeys = Object.fromEntries(this.recentBufferPaths.map((item, idx) => [item, idx]))
                 const getSortScore = (item) => sortKeys[item.path] !== undefined ? sortKeys[item.path] : 1000
@@ -74,32 +85,47 @@
             },
 
             filteredItems() {
-                let items
-                if (this.filter === "") {
-                    items = this.orderedItems
-                    
-                } else {
-                    const searchResults = fuzzysort.go(this.filter, this.items, {
-                        keys: ["name", "folder"],
+                if (this.commandsEnabled && this.filter.startsWith(">")) {
+                    // command mode if the first character is ">"
+                    if (this.filter.length < 2) {
+                        return this.commands
+                    }
+                    const searchResults = fuzzysort.go(this.filter.slice(1), this.commands, {
+                        keys: ["name"],
                     })
-                    items = searchResults.map((result) => {
+                    return searchResults.map((result) => {
                         const obj = {...result.obj}
                         const nameHighlight = result[0].highlight("<b>", "</b>")
-                        const folderHighlight = result[1].highlight("<b>", "</b>")
                         obj.name = nameHighlight !== "" ? nameHighlight : obj.name
-                        obj.folder = folderHighlight !== "" ? folderHighlight : obj.folder
                         return obj
                     })
+                } else {
+                    let items
+                    if (this.filter === "") {
+                        items = this.orderedItems
+                    } else {
+                        const searchResults = fuzzysort.go(this.filter, this.items, {
+                            keys: ["name", "folder"],
+                        })
+                        items = searchResults.map((result) => {
+                            const obj = {...result.obj}
+                            const nameHighlight = result[0].highlight("<b>", "</b>")
+                            const folderHighlight = result[1].highlight("<b>", "</b>")
+                            obj.name = nameHighlight !== "" ? nameHighlight : obj.name
+                            obj.folder = folderHighlight !== "" ? folderHighlight : obj.folder
+                            return obj
+                        })
+                    }
+                    
+                    const newNoteItem = {
+                        name: "Create new…", 
+                        createNew:true,
+                    }
+                    return [
+                        ...items,
+                        newNoteItem,
+                    ]
                 }
-                
-                const newNoteItem = {
-                    name: "Create new…", 
-                    createNew:true,
-                }
-                return [
-                    ...items,
-                    newNoteItem,
-                ]
             },
         },
 
@@ -108,6 +134,7 @@
                 "updateBuffers",
                 "editBufferMetadata",
                 "deleteBuffer",
+                "executeCommand",
             ]),
 
             buildItems() {
@@ -187,13 +214,18 @@
                     } else {
                         this.$emit("openCreateBuffer", "")
                     }
+                } else if (item.isCommand) {
+                    this.$emit("close")
+                    this.$nextTick(() => {
+                        this.executeCommand(item.cmd)
+                    })
                 } else {
                     this.$emit("openBuffer", item.path)
                 }
             },
 
             itemHasActionButtons(item) {
-                return !item.createNew && item.path !== SCRATCH_FILE_NAME
+                return !item.createNew && item.path !== SCRATCH_FILE_NAME && !item.isCommand
             },
 
             onInput(event) {
@@ -248,7 +280,7 @@
 </script>
 
 <template>
-    <form class="note-selector" tabindex="-1" @focusout="onFocusOut" ref="container">
+    <form class="note-selector" tabindex="-1" @focusout="onFocusOut" ref="container" @submit.prevent>
         <div class="input-container">
             <h1 v-if="headline">{{headline}}</h1>
             <input 
diff --git a/src/editor/commands.js b/src/editor/commands.js
index 3f34c58..d1d4772 100644
--- a/src/editor/commands.js
+++ b/src/editor/commands.js
@@ -46,6 +46,10 @@ const openBufferSelector = (editor) => () => {
     editor.openBufferSelector()
     return true
 }
+const openCommandPalette = (editor) => () => {
+    editor.openCommandPalette()
+    return true
+}
 const openMoveToBuffer = (editor) => () => {
     editor.openMoveToBufferSelector()
     return true
@@ -69,6 +73,7 @@ const HEYNOTE_COMMANDS = {
 
     openLanguageSelector,
     openBufferSelector,
+    openCommandPalette,
     openMoveToBuffer,
     openCreateNewBuffer,
 
diff --git a/src/editor/editor.js b/src/editor/editor.js
index 0d4d062..23d1535 100644
--- a/src/editor/editor.js
+++ b/src/editor/editor.js
@@ -22,6 +22,7 @@ import { languageDetection } from "./language-detection/autodetect.js"
 import { autoSaveContent } from "./save.js"
 import { todoCheckboxPlugin} from "./todo-checkbox.ts"
 import { links } from "./links.js"
+import { HEYNOTE_COMMANDS } from "./commands.js";
 import { NoteFormat } from "../common/note-format.js"
 import { AUTO_SAVE_INTERVAL } from "../common/constants.js"
 import { useHeynoteStore } from "../stores/heynote-store.js";
@@ -294,6 +295,10 @@ export class HeynoteEditor {
         this.notesStore.openBufferSelector()
     }
 
+    openCommandPalette() {
+        this.notesStore.openCommandPalette()
+    }
+
     openCreateBuffer(createMode) {
         this.notesStore.openCreateBuffer(createMode)
     }
@@ -428,6 +433,15 @@ export class HeynoteEditor {
     selectAll() {
         selectAll(this.view)
     }
+
+    executeCommand(command) {
+        const cmd = HEYNOTE_COMMANDS[command]
+        if (!cmd) {
+            console.error(`Command not found: ${command}`)
+            return
+        }
+        cmd(this)(this.view)
+    }
 }
 
 
diff --git a/src/editor/keymap.js b/src/editor/keymap.js
index 34f3ad5..8389d32 100644
--- a/src/editor/keymap.js
+++ b/src/editor/keymap.js
@@ -104,6 +104,7 @@ export const DEFAULT_KEYMAP = [
 
     cmd("Mod-l", "openLanguageSelector"),
     cmd("Mod-p", "openBufferSelector"),
+    cmd("Mod-Shift-p", "openCommandPalette"),
     cmd("Mod-s", "openMoveToBuffer"),
     cmd("Mod-n", "openCreateNewBuffer"),
 
diff --git a/src/stores/heynote-store.js b/src/stores/heynote-store.js
index 1c34ee4..69070ff 100644
--- a/src/stores/heynote-store.js
+++ b/src/stores/heynote-store.js
@@ -28,6 +28,7 @@ export const useHeynoteStore = defineStore("heynote", {
         showCreateBuffer: false,
         showEditBuffer: false,
         showMoveToBufferSelector: false,
+        showCommandPalette: false,
     }),
 
     actions: {
@@ -58,6 +59,11 @@ export const useHeynoteStore = defineStore("heynote", {
         openBufferSelector() {
             this.closeDialog()
             this.showBufferSelector = true
+            
+        },
+        openCommandPalette() {
+            this.closeDialog()
+            this.showCommandPalette = true
         },
         openMoveToBufferSelector() {
             this.closeDialog()
@@ -78,10 +84,12 @@ export const useHeynoteStore = defineStore("heynote", {
             this.showLanguageSelector = false
             this.showEditBuffer = false
             this.showMoveToBufferSelector = false
+            this.showCommandPalette = false
         },
 
         closeBufferSelector() {
             this.showBufferSelector = false
+            this.showCommandPalette = false
         },
 
         closeMoveToBufferSelector() {
@@ -96,6 +104,13 @@ export const useHeynoteStore = defineStore("heynote", {
             this.showEditBuffer = true
         },
 
+
+        executeCommand(command) {
+            if (this.currentEditor) {
+                toRaw(this.currentEditor).executeCommand(command)
+            }
+        },
+
         /**
          * Create a new note file at `path` with name `name` from the current block of the current open editor, 
          * and switch to it