make hash_handler more useful
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nightwing
parent
c431f6a550
commit
6381f3e048
2 changed files with 106 additions and 168 deletions
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@ -1,131 +1,21 @@
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define(function(require, exports, module) {
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"use strict";
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var keyUtil = require("../lib/keys");
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var oop = require("../lib/oop");
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var HashHandler = require("../keyboard/hash_handler").HashHandler;
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var CommandManager = function(platform, commands) {
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if (typeof platform !== "string")
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throw new TypeError("'platform' argument must be either 'mac' or 'win'");
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this.platform = platform;
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this.commands = {};
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this.commmandKeyBinding = {};
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if (commands)
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commands.forEach(this.addCommand, this);
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this.addCommands(commands);
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};
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oop.inherits(CommandManager, HashHandler);
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(function() {
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this.addCommand = function(command) {
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if (this.commands[command.name])
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this.removeCommand(command);
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this.commands[command.name] = command;
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if (command.bindKey) {
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this._buildKeyHash(command);
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}
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};
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this.removeCommand = function(command) {
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var name = (typeof command === 'string' ? command : command.name);
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command = this.commands[name];
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delete this.commands[name];
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// exaustive search is brute force but since removeCommand is
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// not a performance critical operation this should be OK
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var ckb = this.commmandKeyBinding;
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for (var hashId in ckb) {
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for (var key in ckb[hashId]) {
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if (ckb[hashId][key] == command)
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delete ckb[hashId][key];
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}
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}
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};
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this.addCommands = function(commands) {
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Object.keys(commands).forEach(function(name) {
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var command = commands[name];
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if (typeof command === "string")
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return this.bindKey(command, name);
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if (typeof command === "function")
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command = { exec: command };
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if (!command.name)
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command.name = name;
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this.addCommand(command);
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}, this);
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};
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this.removeCommands = function(commands) {
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Object.keys(commands).forEach(function(name) {
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this.removeCommand(commands[name]);
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}, this);
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};
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this.bindKey = function(key, command) {
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if(!key)
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return;
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var ckb = this.commmandKeyBinding;
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key.split("|").forEach(function(keyPart) {
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var binding = parseKeys(keyPart, command);
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var hashId = binding.hashId;
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(ckb[hashId] || (ckb[hashId] = {}))[binding.key] = command;
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});
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};
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this.bindKeys = function(keyList) {
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Object.keys(keyList).forEach(function(key) {
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this.bindKey(key, keyList[key]);
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}, this);
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};
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this._buildKeyHash = function(command) {
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var binding = command.bindKey;
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if (!binding)
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return;
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var key = typeof binding == "string" ? binding: binding[this.platform];
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this.bindKey(key, command);
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}
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function parseKeys(keys, val, ret) {
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var key;
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var hashId = 0;
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var parts = splitSafe(keys);
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for (var i=0, l = parts.length; i < l; i++) {
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if (keyUtil.KEY_MODS[parts[i]])
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hashId = hashId | keyUtil.KEY_MODS[parts[i]];
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else
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key = parts[i] || "-"; //when empty, the splitSafe removed a '-'
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}
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return {
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key: key,
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hashId: hashId
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}
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}
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function splitSafe(s, separator) {
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return (s.toLowerCase()
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.trim()
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.split(new RegExp("[\\s ]*\\-[\\s ]*", "g"), 999));
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}
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this.findKeyCommand = function findKeyCommand(hashId, textOrKey) {
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// Convert keyCode to the string representation.
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if (typeof textOrKey == "number") {
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textOrKey = keyUtil.keyCodeToString(textOrKey);
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}
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var ckbr = this.commmandKeyBinding;
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return ckbr[hashId] && ckbr[hashId][textOrKey.toLowerCase()];
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}
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this.exec = function(command, editor, args) {
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if (typeof command === 'string')
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@ -41,76 +41,124 @@ define(function(require, exports, module) {
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var keyUtil = require("../lib/keys");
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function HashHandler(config) {
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this.setConfig(config);
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}
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function HashHandler(config, platform) {
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this.platform = platform;
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this.commands = {};
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this.commmandKeyBinding = {};
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this.addCommands(config);
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};
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(function() {
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function splitSafe(s, separator, limit, bLowerCase) {
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return (bLowerCase && s.toLowerCase() || s)
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.replace(/(?:^\s+|\n|\s+$)/g, "")
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.split(new RegExp("[\\s ]*" + separator + "[\\s ]*", "g"), limit || 999);
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this.addCommand = function(command) {
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if (this.commands[command.name])
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this.removeCommand(command);
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this.commands[command.name] = command;
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if (command.bindKey) {
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this._buildKeyHash(command);
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}
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};
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this.removeCommand = function(command) {
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var name = (typeof command === 'string' ? command : command.name);
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command = this.commands[name];
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delete this.commands[name];
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// exhaustive search is brute force but since removeCommand is
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// not a performance critical operation this should be OK
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var ckb = this.commmandKeyBinding;
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for (var hashId in ckb) {
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for (var key in ckb[hashId]) {
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if (ckb[hashId][key] == command)
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delete ckb[hashId][key];
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}
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}
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};
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this.addCommands = function(commands) {
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commands && Object.keys(commands).forEach(function(name) {
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var command = commands[name];
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if (typeof command === "string")
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return this.bindKey(command, name);
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if (typeof command === "function")
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command = { exec: command };
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if (!command.name)
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command.name = name;
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this.addCommand(command);
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}, this);
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};
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this.removeCommands = function(commands) {
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Object.keys(commands).forEach(function(name) {
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this.removeCommand(commands[name]);
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}, this);
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};
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this.bindKey = function(key, command) {
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if(!key)
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return;
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var ckb = this.commmandKeyBinding;
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key.split("|").forEach(function(keyPart) {
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var binding = parseKeys(keyPart, command);
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var hashId = binding.hashId;
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(ckb[hashId] || (ckb[hashId] = {}))[binding.key] = command;
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});
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};
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this.bindKeys = function(keyList) {
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Object.keys(keyList).forEach(function(key) {
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this.bindKey(key, keyList[key]);
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}, this);
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};
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this._buildKeyHash = function(command) {
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var binding = command.bindKey;
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if (!binding)
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return;
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var key = typeof binding == "string" ? binding: binding[this.platform];
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this.bindKey(key, command);
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}
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function parseKeys(keys, val, ret) {
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var key,
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hashId = 0,
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parts = splitSafe(keys, "\\-", null, true),
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i = 0,
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l = parts.length;
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var key;
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var hashId = 0;
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var parts = splitSafe(keys.toLowerCase());
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for (; i < l; ++i) {
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for (var i = 0, l = parts.length; i < l; i++) {
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if (keyUtil.KEY_MODS[parts[i]])
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hashId = hashId | keyUtil.KEY_MODS[parts[i]];
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else
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key = parts[i] || "-"; //when empty, the splitSafe removed a '-'
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}
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(ret[hashId] || (ret[hashId] = {}))[key] = val;
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return ret;
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}
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function objectReverse(obj, keySplit) {
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var i, j, l, key,
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ret = {};
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for (i in obj) {
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key = obj[i];
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if (keySplit && typeof key == "string") {
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key = key.split(keySplit);
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for (j = 0, l = key.length; j < l; ++j)
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parseKeys.call(this, key[j], i, ret);
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}
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else {
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parseKeys.call(this, key, i, ret);
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}
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return {
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key: key,
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hashId: hashId
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}
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return ret;
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}
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this.setConfig = function(config) {
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this.$config = config;
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if (typeof this.$config.reverse == "undefined")
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this.$config.reverse = objectReverse.call(this, this.$config, "|");
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function splitSafe(s, separator) {
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return (s.trim()
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.split(new RegExp("[\\s ]*\\-[\\s ]*", "g"), 999));
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}
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this.findKeyCommand = function findKeyCommand(hashId, keyString) {
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var ckbr = this.commmandKeyBinding;
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return ckbr[hashId] && ckbr[hashId][keyString.toLowerCase()];
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}
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this.handleKeyboard = function(data, hashId, keyString, keyCode) {
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return this.findKeyCommand(hashId, keyString)
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};
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/**
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* This function is called by keyBinding.
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*/
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this.handleKeyboard = function(data, hashId, textOrKey, keyCode) {
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// Figure out if a commandKey was pressed or just some text was insert.
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if (hashId != 0 || keyCode != 0) {
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return {
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command: (this.$config.reverse[hashId] || {})[textOrKey]
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}
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} else {
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return {
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command: "inserttext",
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args: {
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text: textOrKey
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}
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}
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}
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}
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}).call(HashHandler.prototype)
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exports.HashHandler = HashHandler;
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