@launchmenu/core
Version:
An environment for visual keyboard controlled applets
133 lines • 12.2 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.ProxiedMenu = void 0;
const model_react_1 = require("model-react");
const onMenuChangAction_1 = require("../../actions/types/onMenuChange/onMenuChangAction");
const onSelectAction_1 = require("../../actions/types/onSelect/onSelectAction");
const baseSettings_1 = require("../../application/settings/baseSettings/baseSettings");
const isItemSelectable_1 = require("../items/isItemSelectable");
const AbstractMenu_1 = require("./AbstractMenu");
const createCategoryGetter_1 = require("./standardConfig/createCategoryGetter");
// TODO: properly call on menu add and remove hook
// TODO: write test file
/**
* A menu that wraps around an item source retriever, automatically updating its contents when the source updates.
* Note that every single update will require O(n^2) time (n being the number of items in the menu), and is thus rather intensive.
*/
class ProxiedMenu extends AbstractMenu_1.AbstractMenu {
/**
* Creates a new proxied menu
* @param context The context to be used by menu items
* @param itemSource The menu items source
* @param config The configuration for category options
*/
constructor(context, itemSource, config) {
var _a;
super(context);
/** A data cacher that computes the categories from an item list */
this.categories = new model_react_1.DataCacher(hook => {
const items = this.itemSource(hook);
const categories = [{ category: undefined, items: [] }];
items.forEach(item => {
const category = this.categoryConfig.getCategory(item, hook);
const categoryData = categories.find(({ category: c }) => c == category);
if (categoryData)
categoryData.items.push(item);
else
categories.push({ category, items: [item] });
});
return { categories, rawItems: items };
},
// Call on menu change actions
{
onUpdate: ({ rawItems }, prev) => {
var _a;
const prevRawItems = (_a = prev === null || prev === void 0 ? void 0 : prev.rawItems) !== null && _a !== void 0 ? _a : [];
const removed = prevRawItems.filter(item => !rawItems.includes(item));
onMenuChangAction_1.onMenuChangeAction.get(removed).onMenuChange(this, false);
const added = rawItems.filter(item => !prevRawItems.includes(item));
onMenuChangAction_1.onMenuChangeAction.get(added).onMenuChange(this, true);
},
});
/** A data cacher that computes the items list with categories from the category data */
this.itemsList = new model_react_1.DataCacher(hook => {
const rawCategories = this.categories.get(hook).categories;
const order = this.categoryConfig.sortCategories(rawCategories);
// Combine the items and categories into a single list
const items = [];
const categories = [];
order.forEach(category => {
const categoryData = rawCategories.find(({ category: c }) => c == category);
if (categoryData) {
categories.push({ category, items: categoryData.items });
if (category)
items.push(category.item, ...categoryData.items);
else
items.push(...categoryData.items);
}
});
return items;
}, {
onUpdate: () => {
this.deselectRemovedItems();
},
});
this.itemSource = itemSource;
const menuSettings = context.settings.get(baseSettings_1.baseSettings).menu;
this.categoryConfig = {
getCategory: (config === null || config === void 0 ? void 0 : config.getCategory) || createCategoryGetter_1.createCategoryGetter(context),
sortCategories: (config === null || config === void 0 ? void 0 : config.sortCategories) ||
(categories => categories.map(({ category }) => category)),
maxCategoryItemCount: (_a = config === null || config === void 0 ? void 0 : config.maxCategoryItemCount) !== null && _a !== void 0 ? _a : menuSettings.maxMenuSize.get(),
};
}
/**
* Checks whether the cursor item is still present, and deselects it if not
*/
deselectRemovedItems() {
const items = this.getItems();
// Update the cursor if needed
const cursor = this.cursor.get();
updateCursor: if (cursor == null || !items.includes(cursor)) {
for (let i = 0; i < items.length; i++)
if (isItemSelectable_1.isItemSelectable(items[i])) {
this.setCursor(items[i]);
break updateCursor;
}
this.setCursor(null);
}
// Remove any removed items from the selection
const selection = this.selected.get();
const presentSelected = selection.filter(item => items.includes(item));
if (selection.length != presentSelected.length) {
const removed = selection.filter(item => !items.includes(item));
onSelectAction_1.onSelectAction.get(removed).onSelect(false, this);
this.selected.set(presentSelected);
}
}
// Item retrieval
/**
* Retrieves the items of the menu
* @param hook The hook to subscribe to changes
* @returns The menu items
*/
getItems(hook) {
if (this.isDestroyed(hook))
// Whenever the menu is destroyed, we no longer inform about item changes
return this.itemsList.get();
return this.itemsList.get(hook);
}
/**
* Retrieves the item categories of the menu
* @param hook The hook to subscribe to changes
* @returns The categories and their items
*/
getCategories(hook) {
if (this.isDestroyed(hook))
// Whenever the menu is destroyed, we no longer inform about category changes
return this.categories.get().categories;
return this.categories.get(hook).categories;
}
}
exports.ProxiedMenu = ProxiedMenu;
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