Remove dummy concept in favor of editor group and editors

2020-04-14 15:01:32 -05:00
parent ef66170ba4
commit 9cf99896a5
81 changed files with 8136 additions and 7179 deletions
--- a/app/assets/javascripts/ui_models/editor.ts
+++ b/app/assets/javascripts/ui_models/editor.ts
@@ -0,0 +1,104 @@
+import { SNNote, ContentType, PayloadSource } from 'snjs';
+import { WebApplication } from './application';
+
+export class Editor {
+
+  public note!: SNNote
+  private application: WebApplication
+  private _onNoteChange?: () => void
+  private _onNoteValueChange?: (note: SNNote, source?: PayloadSource) => void
+  private removeStreamObserver: () => void
+  public isTemplateNote = true
+
+  constructor(
+    application: WebApplication,
+    noteUuid?: string,
+    noteTitle?: string
+  ) {
+    this.application = application;
+    if (noteUuid) {
+      this.note = application.findItem(noteUuid) as SNNote;
+    } else {
+      this.reset(noteTitle);
+    }
+
+    this.removeStreamObserver = this.application.streamItems(
+      ContentType.Note,
+      async (items, source) => {
+        await this.handleNoteStream(items as SNNote[], source);
+      }
+    );
+  }
+
+  private async handleNoteStream(notes: SNNote[], source?: PayloadSource) {
+    /** Update our note object reference whenever it changes */
+    const matchingNote = notes.find((item) => {
+      return item.uuid === this.note.uuid;
+    }) as SNNote;
+    if (matchingNote) {
+      this.isTemplateNote = false;
+      this.note = matchingNote;
+      this._onNoteValueChange!(matchingNote, source);
+    }
+  }
+
+  async insertTemplatedNote() {
+    return this.application.insertItem(this.note);
+  }
+
+  /**
+   * Reverts the editor to a blank state, removing any existing note from view,
+   * and creating a placeholder note.
+   */
+  async reset(noteTitle?: string) {
+    const note = await this.application.createTemplateItem(
+      ContentType.Note,
+      {
+        text: '',
+        title: noteTitle || '',
+        references: []
+      }
+    );
+    this.isTemplateNote = true;
+    this.setNote(note as SNNote);
+  }
+
+  deinit() {
+    this.removeStreamObserver();
+    (this.removeStreamObserver as any) = undefined;
+    this._onNoteChange = undefined;
+    (this.application as any) = undefined;
+    this._onNoteChange = undefined;
+    this._onNoteValueChange = undefined;
+  }
+
+  /**
+   * Register to be notified when the editor's note changes.
+   */
+  public onNoteChange(onNoteChange: () => void) {
+    this._onNoteChange = onNoteChange;
+    if (this.note) {
+      onNoteChange();
+    }
+  }
+
+  /**
+   * Register to be notified when the editor's note's values change
+   * (and thus a new object reference is created)
+   */
+  public onNoteValueChange(
+    onNoteValueChange: (note: SNNote, source?: PayloadSource) => void
+  ) {
+    this._onNoteValueChange = onNoteValueChange;
+  }
+
+  /**
+   * Sets the editor contents by setting its note.
+   */
+  public setNote(note: SNNote) {
+    this.note = note;
+    if (this._onNoteChange) {
+      this._onNoteChange();
+    }
+  }
+}