122 lines
3.2 KiB
JavaScript
122 lines
3.2 KiB
JavaScript
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define(function(require, exports, module) {
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"use strict";
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var oop = require("../lib/oop");
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var MultiHashHandler = require("../keyboard/hash_handler").MultiHashHandler;
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var EventEmitter = require("../lib/event_emitter").EventEmitter;
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/**
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* @class CommandManager
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*
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**/
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/**
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* new CommandManager(platform, commands)
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* @param {String} platform Identifier for the platform; must be either `"mac"` or `"win"`
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* @param {Array} commands A list of commands
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*
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**/
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var CommandManager = function(platform, commands) {
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MultiHashHandler.call(this, commands, platform);
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this.byName = this.commands;
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this.setDefaultHandler("exec", function(e) {
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return e.command.exec(e.editor, e.args || {});
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});
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};
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oop.inherits(CommandManager, MultiHashHandler);
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(function() {
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oop.implement(this, EventEmitter);
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this.exec = function(command, editor, args) {
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if (Array.isArray(command)) {
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for (var i = command.length; i--; ) {
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if (this.exec(command[i], editor, args)) return true;
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}
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return false;
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}
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if (typeof command === "string")
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command = this.commands[command];
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if (!command)
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return false;
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if (editor && editor.$readOnly && !command.readOnly)
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return false;
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if (this.$checkCommandState != false && command.isAvailable && !command.isAvailable(editor))
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return false;
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var e = {editor: editor, command: command, args: args};
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e.returnValue = this._emit("exec", e);
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this._signal("afterExec", e);
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return e.returnValue === false ? false : true;
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};
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this.toggleRecording = function(editor) {
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if (this.$inReplay)
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return;
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editor && editor._emit("changeStatus");
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if (this.recording) {
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this.macro.pop();
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this.removeEventListener("exec", this.$addCommandToMacro);
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if (!this.macro.length)
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this.macro = this.oldMacro;
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return this.recording = false;
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}
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if (!this.$addCommandToMacro) {
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this.$addCommandToMacro = function(e) {
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this.macro.push([e.command, e.args]);
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}.bind(this);
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}
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this.oldMacro = this.macro;
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this.macro = [];
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this.on("exec", this.$addCommandToMacro);
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return this.recording = true;
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};
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this.replay = function(editor) {
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if (this.$inReplay || !this.macro)
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return;
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if (this.recording)
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return this.toggleRecording(editor);
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try {
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this.$inReplay = true;
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this.macro.forEach(function(x) {
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if (typeof x == "string")
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this.exec(x, editor);
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else
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this.exec(x[0], editor, x[1]);
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}, this);
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} finally {
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this.$inReplay = false;
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}
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};
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this.trimMacro = function(m) {
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return m.map(function(x){
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if (typeof x[0] != "string")
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x[0] = x[0].name;
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if (!x[1])
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x = x[0];
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return x;
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});
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};
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}).call(CommandManager.prototype);
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exports.CommandManager = CommandManager;
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});
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