| "use strict"; |
|
|
| var AppConstants = require('../constants/AppConstants'); |
| var AppDispatcher = require('../dispatcher/AppDispatcher'); |
| var EventEmitter = require('events').EventEmitter; |
|
|
| var ActionTypes = AppConstants.ActionTypes; |
| var COMMAND_HISTORY_KEY = 'lgb_CommandHistory'; |
| var COMMAND_HISTORY_MAX_LENGTH = 100; |
| var COMMAND_HISTORY_TO_KEEP = 10; |
|
|
| var _commandHistory = []; |
| try { |
| _commandHistory = JSON.parse( |
| localStorage.getItem(COMMAND_HISTORY_KEY) || '[]' |
| ) || []; |
| } catch (e) { |
| } |
|
|
| function _checkForSize() { |
| |
| if (_commandHistory.length > COMMAND_HISTORY_MAX_LENGTH) { |
| |
| _commandHistory = |
| _commandHistory.slice(0, COMMAND_HISTORY_TO_KEEP); |
| } |
| } |
|
|
| function _saveToLocalStorage() { |
| try { |
| localStorage.setItem( |
| COMMAND_HISTORY_KEY, |
| JSON.stringify(_commandHistory) |
| ); |
| } catch (e) { |
| } |
| } |
|
|
| var CommandLineStore = Object.assign( |
| {}, |
| EventEmitter.prototype, |
| AppConstants.StoreSubscribePrototype, |
| { |
|
|
| getMaxHistoryLength: function() { |
| return COMMAND_HISTORY_MAX_LENGTH; |
| }, |
|
|
| getCommandHistoryLength: function() { |
| return _commandHistory.length; |
| }, |
|
|
| getCommandHistory: function() { |
| return _commandHistory.slice(0); |
| }, |
|
|
| dispatchToken: AppDispatcher.register(function(payload) { |
| var action = payload.action; |
| var shouldInform = false; |
|
|
| switch (action.type) { |
| case ActionTypes.SUBMIT_COMMAND: |
| _commandHistory.unshift(String(action.text)); |
| _checkForSize(); |
| _saveToLocalStorage(); |
| shouldInform = true; |
| break; |
| case ActionTypes.CHANGE_FLIP_TREE_Y: |
| break; |
| } |
|
|
| if (shouldInform) { |
| CommandLineStore.emit(AppConstants.CHANGE_EVENT); |
| } |
| }) |
|
|
| }); |
|
|
| module.exports = CommandLineStore; |
|
|
