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Solidify ItemList API

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This commit is contained in:
Toby Zerner 2015-10-29 17:48:08 +10:30
parent a3a5d0a351
commit 7127bea15e
1 changed files with 55 additions and 10 deletions
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65
js/lib/utils/ItemList.js
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@ -10,6 +10,21 @@ class Item {
* by priority.
*/
export default class ItemList {
constructor() {
this.list = {};
}
/**
* Get an item.
*
* @param {String} key
* @return {Item}
* @public
*/
get(key) {
return this.list[key];
}
/**
* Add an item to the list.
*
@ -20,7 +35,37 @@ export default class ItemList {
* @public
*/
add(key, content, priority = 0) {
this[key] = new Item(content, priority);
this.list[key] = new Item(content, priority);
}
/**
* Replace an item in the list, only if it is already present.
*
* @param {String} key
* @param {*} [content]
* @param {Integer} [priority]
* @public
*/
replace(key, content = null, priority = null) {
if (this.list[key]) {
if (content !== null) {
this.list[key].content = content;
}
if (priority !== null) {
this.list[key].priority = priority;
}
}
}
/**
* Remove an item from the list.
*
* @param {String} key
* @public
*/
remove(key) {
delete this.list[key];
}
/**
@ -30,9 +75,9 @@ export default class ItemList {
* @public
*/
merge(items) {
for (const i in items) {
if (items.hasOwnProperty(i) && items[i] instanceof Item) {
this[i] = items[i];
for (const i in items.list) {
if (items.list.hasOwnProperty(i) && items.list[i] instanceof Item) {
this.list[i] = items.list[i];
}
}
}
@ -48,13 +93,13 @@ export default class ItemList {
toArray() {
const items = [];
for (const i in this) {
if (this.hasOwnProperty(i) && this[i] instanceof Item) {
this[i].content = Object(this[i].content);
for (const i in this.list) {
if (this.list.hasOwnProperty(i) && this.list[i] instanceof Item) {
this.list[i].content = Object(this.list[i].content);
this[i].content.itemName = i;
items.push(this[i]);
this[i].key = items.length;
this.list[i].content.itemName = i;
items.push(this.list[i]);
this.list[i].key = items.length;
}
}