joplin/CliClient/app/gui/FolderListWidget.js

const Folder = require("lib/models/Folder.js");
const Tag = require("lib/models/Tag.js");
const BaseModel = require("lib/BaseModel.js");
const ListWidget = require("tkwidgets/ListWidget.js");
const _ = require("lib/locale.js")._;

class FolderListWidget extends ListWidget {
	constructor() {
		super();

		this.tags_ = [];
		this.folders_ = [];
		this.searches_ = [];
		this.selectedFolderId_ = null;
		this.selectedTagId_ = null;
		this.selectedSearchId_ = null;
		this.notesParentType_ = "Folder";
		this.updateIndexFromSelectedFolderId_ = false;
		this.updateItems_ = false;

		this.itemRenderer = item => {
			let output = [];
			if (item === "-") {
				output.push("-".repeat(this.innerWidth));
			} else if (item.type_ === Folder.modelType()) {
				output.push(Folder.displayTitle(item));
			} else if (item.type_ === Tag.modelType()) {
				output.push("[" + Folder.displayTitle(item) + "]");
			} else if (item.type_ === BaseModel.TYPE_SEARCH) {
				output.push(_("Search:"));
				output.push(item.title);
			}

			// if (item && item.id) output.push(item.id.substr(0, 5));

			return output.join(" ");
		};
	}

	get selectedFolderId() {
		return this.selectedFolderId_;
	}

	set selectedFolderId(v) {
		this.selectedFolderId_ = v;
		this.updateIndexFromSelectedItemId();
		this.invalidate();
	}

	get selectedSearchId() {
		return this.selectedSearchId_;
	}

	set selectedSearchId(v) {
		this.selectedSearchId_ = v;
		this.updateIndexFromSelectedItemId();
		this.invalidate();
	}

	get selectedTagId() {
		return this.selectedTagId_;
	}

	set selectedTagId(v) {
		this.selectedTagId_ = v;
		this.updateIndexFromSelectedItemId();
		this.invalidate();
	}

	get notesParentType() {
		return this.notesParentType_;
	}

	set notesParentType(v) {
		//if (this.notesParentType_ === v) return;
		this.notesParentType_ = v;
		this.updateIndexFromSelectedItemId();
		this.invalidate();
	}

	get searches() {
		return this.searches_;
	}

	set searches(v) {
		this.searches_ = v;
		this.updateItems_ = true;
		this.updateIndexFromSelectedItemId();
		this.invalidate();
	}

	get tags() {
		return this.tags_;
	}

	set tags(v) {
		this.tags_ = v;
		this.updateItems_ = true;
		this.updateIndexFromSelectedItemId();
		this.invalidate();
	}

	get folders() {
		return this.folders_;
	}

	set folders(v) {
		this.folders_ = v;
		this.updateItems_ = true;
		this.updateIndexFromSelectedItemId();
		this.invalidate();
	}

	render() {
		if (this.updateItems_) {
			this.logger().debug("Rebuilding items...", this.notesParentType, this.selectedJoplinItemId, this.selectedSearchId);
			const wasSelectedItemId = this.selectedJoplinItemId;
			const previousParentType = this.notesParentType;

			let newItems = this.folders.slice();

			if (this.tags.length) {
				if (newItems.length) newItems.push("-");
				newItems = newItems.concat(this.tags);
			}

			if (this.searches.length) {
				if (newItems.length) newItems.push("-");
				newItems = newItems.concat(this.searches);
			}

			this.items = newItems;

			this.notesParentType = previousParentType;
			this.updateIndexFromSelectedItemId(wasSelectedItemId);
			this.updateItems_ = false;
		}

		super.render();
	}

	get selectedJoplinItemId() {
		if (!this.notesParentType) return "";
		if (this.notesParentType === "Folder") return this.selectedFolderId;
		if (this.notesParentType === "Tag") return this.selectedTagId;
		if (this.notesParentType === "Search") return this.selectedSearchId;
		throw new Error("Unknown parent type: " + this.notesParentType);
	}

	get selectedJoplinItem() {
		const id = this.selectedJoplinItemId;
		const index = this.itemIndexByKey("id", id);
		return this.itemAt(index);
	}

	updateIndexFromSelectedItemId(itemId = null) {
		if (itemId === null) itemId = this.selectedJoplinItemId;
		const index = this.itemIndexByKey("id", itemId);
		this.currentIndex = index >= 0 ? index : 0;
	}
}

module.exports = FolderListWidget;