479 lines
12 KiB
JavaScript
479 lines
12 KiB
JavaScript
/* jslint node: true */
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'use strict';
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var MenuModule = require('../core/menu_module.js').MenuModule;
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var ViewController = require('../core/view_controller.js').ViewController;
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var ansi = require('../core/ansi_term.js');
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var theme = require('../core/theme.js');
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var MultiLineEditTextView = require('../core/multi_line_edit_text_view.js').MultiLineEditTextView;
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var Message = require('../core/message.js');
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var async = require('async');
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var assert = require('assert');
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var _ = require('lodash');
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exports.FullScreenEditorModule = FullScreenEditorModule;
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// :TODO: clean this up:
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exports.getModule = FullScreenEditorModule;
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exports.moduleInfo = {
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name : 'Full Screen Editor (FSE)',
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desc : 'A full screen editor/viewer',
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author : 'NuSkooler',
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};
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function FullScreenEditorModule(options) {
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MenuModule.call(this, options);
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var self = this;
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var config = this.menuConfig.config;
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//
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// menuConfig.config:
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// editorType : email | area
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// editorMode : view | edit | quote (private: editMenu | ... )
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//
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// extraArgs:
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// messageAreaId
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// messageNumber / messageTotal
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//
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//
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this.editorType = config.editorType;
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this.editorMode = config.editorMode;
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if(_.isObject(options.extraArgs)) {
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this.messageAreaId = options.extraArgs.messageAreaId || Message.WellKnownAreaIds.Private;
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}
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this.isLocalEmail = function() {
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return 'email' === this.editorType && Message.WellKnownAreaIds.Private === this.messageAreaId;
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};
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this.getFooterName = function(editorMode) {
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editorMode = editorMode || this.editorMode;
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return 'footer' + _.capitalize(editorMode); // e.g.. 'footerEditMenu'
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};
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this.getFormId = function(name) {
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return {
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header : 0,
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body : 1,
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footerEdit : 2,
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footerEditMenu : 3,
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footerView : 4,
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help : 50,
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}[name];
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};
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this.getMessage = function() {
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var headerValues = self.viewControllers.header.getFormData().value;
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var messageOpts = {
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areaId : self.messageAreaId,
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toUserName : headerValues.to,
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fromUserName : headerValues.from,
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subject : headerValues.subject,
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message : self.viewControllers.body.getFormData().value.message,
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};
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return new Message(messageOpts);
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};
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this.redrawFooter = function(options, cb) {
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async.waterfall(
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[
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function moveToFooterPosition(callback) {
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//
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// Calculate footer staring position
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//
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// row = (header height + body height)
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//
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// Header: mciData.body.height
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// Body : We must find this in the config / theme
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//
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// :TODO: don't hard code this -- allow footer height to be part of theme/etc.
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self.client.term.rawWrite(ansi.goto(23, 1));
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callback(null);
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},
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function clearFooterArea(callback) {
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if(options.clear) {
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self.client.term.rawWrite(ansi.reset() + ansi.deleteLine(3));
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}
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callback(null);
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},
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function displayFooterArt(callback) {
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var footerArt = self.menuConfig.config.art[options.footerName];
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theme.displayThemedAsset(
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footerArt,
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self.client,
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{ font : self.menuConfig.font },
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function displayed(err, artData) {
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callback(err, artData);
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}
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);
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}
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],
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function complete(err, artData) {
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cb(err, artData);
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}
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);
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};
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this.redrawScreen = function(options, cb) {
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var comps = [ 'header', 'body' ];
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var art = self.menuConfig.config.art;
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self.client.term.rawWrite(ansi.resetScreen());
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async.series(
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[
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function displayHeaderAndBody(callback) {
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async.eachSeries( comps, function dispArt(n, next) {
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theme.displayThemedAsset(
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art[n],
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self.client,
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{ font : self.menuConfig.font },
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function displayed(err, artData) {
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next(err);
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}
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);
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}, function complete(err) {
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callback(err);
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});
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},
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function displayFooter(callback) {
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// we have to treat the footer special
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self.redrawFooter( { clear : false, footerName : self.getFooterName() }, function footerDisplayed(err) {
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callback(err);
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});
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},
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function refreshViews(callback) {
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comps.push(self.getFooterName());
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comps.forEach(function artComp(n) {
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self.viewControllers[n].redrawAll();
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});
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}
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],
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function complete(err) {
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cb(err);
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}
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);
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};
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this.switchFooter = function(cb) {
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var footerName = self.getFooterName();
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self.redrawFooter( { footerName : footerName, clear : true }, function artDisplayed(err, artData) {
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if(err) {
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cb(err);
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return;
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}
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var formId = self.getFormId(footerName);
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if(_.isUndefined(self.viewControllers[footerName])) {
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var menuLoadOpts = {
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callingMenu : self,
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formId : formId,
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mciMap : artData.mciMap
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};
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self.addViewController(
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footerName,
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new ViewController( { client : self.client, formId : formId } )
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).loadFromMenuConfig(menuLoadOpts, function footerReady(err) {
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cb(err);
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});
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} else {
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self.viewControllers[footerName].redrawAll();
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cb(null);
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}
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});
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};
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this.initSequence = function() {
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var mciData = { };
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var art = self.menuConfig.config.art;
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assert(_.isObject(art));
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async.series(
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[
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function beforeDisplayArt(callback) {
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self.beforeArt();
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callback(null);
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},
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function displayHeaderAndBodyArt(callback) {
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assert(_.isString(art.header));
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assert(_.isString(art.body));
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async.eachSeries( [ 'header', 'body' ], function dispArt(n, next) {
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theme.displayThemedAsset(
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art[n],
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self.client,
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{ font : self.menuConfig.font },
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function displayed(err, artData) {
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mciData[n] = artData;
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next(err);
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}
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);
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}, function complete(err) {
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callback(err);
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});
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},
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function displayFooter(callback) {
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var footerName = self.getFooterName();
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self.redrawFooter( { footerName : footerName }, function artDisplayed(err, artData) {
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mciData[footerName] = artData;
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callback(err);
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});
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},
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function afterArtDisplayed(callback) {
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self.mciReady(mciData);
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callback(null);
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}
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],
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function complete(err) {
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console.log(err)
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}
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);
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};
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this.createInitialViews = function(mciData, cb) {
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var menuLoadOpts = { callingMenu : self };
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async.series(
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[
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function header(callback) {
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menuLoadOpts.formId = self.getFormId('header');
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menuLoadOpts.mciMap = mciData.header.mciMap;
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self.addViewController(
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'header',
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new ViewController( { client : self.client, formId : menuLoadOpts.formId } )
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).loadFromMenuConfig(menuLoadOpts, function headerReady(err) {
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callback(err);
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});
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},
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function body(callback) {
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menuLoadOpts.formId = self.getFormId('body');
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menuLoadOpts.mciMap = mciData.body.mciMap;
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self.addViewController(
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'body',
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new ViewController( { client : self.client, formId : menuLoadOpts.formId } )
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).loadFromMenuConfig(menuLoadOpts, function bodyReady(err) {
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callback(err);
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});
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},
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function footer(callback) {
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var footerName = self.getFooterName();
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menuLoadOpts.formId = self.getFormId(footerName);
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menuLoadOpts.mciMap = mciData[footerName].mciMap;
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self.addViewController(
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footerName,
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new ViewController( { client : self.client, formId : menuLoadOpts.formId } )
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).loadFromMenuConfig(menuLoadOpts, function footerReady(err) {
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callback(err);
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});
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},
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function prepareViewStates(callback) {
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var header = self.viewControllers.header;
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var from = header.getView(1);
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from.acceptsFocus = false;
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from.setText(self.client.user.username);
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var body = self.viewControllers.body.getView(1);
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self.updateTextEditMode(body.getTextEditMode());
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self.updateEditModePosition(body.getEditPosition());
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callback(null);
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},
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function setInitialFocus(callback) {
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self.viewControllers.body.setFocus(false);
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self.viewControllers.header.switchFocus(2); // to
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callback(null);
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}
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],
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function complete(err) {
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cb(err);
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}
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);
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};
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this.mciReadyHandler = function(mciData) {
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self.createInitialViews(mciData, function viewsCreated(err) {
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self.viewControllers.header.on('leave', function headerViewLeave(view) {
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if(2 === view.id) { // "to" field
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self.validateToUserName(view.getData(), function result(err) {
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if(err) {
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// :TODO: display a error in a %TL area or such
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view.clearText();
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self.viewControllers.headers.switchFocus(2);
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}
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});
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}
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});
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});
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};
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this.updateEditModePosition = function(pos) {
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if('edit' === this.editorMode) {
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var posView = self.viewControllers.footerEdit.getView(1);
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if(posView) {
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self.client.term.rawWrite(ansi.savePos());
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posView.setText(_.padLeft(String(pos.row + 1), 2, '0') + ',' + _.padLeft(String(pos.col + 1), 2, '0'));
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self.client.term.rawWrite(ansi.restorePos());
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}
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}
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};
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this.updateTextEditMode = function(mode) {
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if('edit' === this.editorMode) {
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var modeView = self.viewControllers.footerEdit.getView(2);
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if(modeView) {
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self.client.term.rawWrite(ansi.savePos());
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modeView.setText('insert' === mode ? 'INS' : 'OVR');
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self.client.term.rawWrite(ansi.restorePos());
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}
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}
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};
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/*
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this.displayHelp = function() {
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//
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// Replace body area with a temporary read-only MultiLineEditText
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// with help contents. ESC or 'Q' closes back to previous state.
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//
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var formId = self.getFormId('help');
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if(_.isUndefined(self.viewControllers.help)) {
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self.addViewController('help', new ViewController( { client : self.client, formId : formId } ));
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var helpViewOpts = {
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position : self.getBodyView().position,
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//dimens : self.getBodyView().dimens,
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acceptsFocus : true,
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acceptsInput : true,
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id : 1,
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client : self.client,
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ansiSGR : ansi.sgr( [ 'normal', 'reset' ] ), // :TODO: use a styleSGRx here; default to white on black
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};
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var helpView = new MultiLineEditTextView(helpViewOpts);
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// :TODO: this is to work around a bug... dimens in ctor should be enough!
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helpView.setWidth(self.getBodyView().dimens.width);
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helpView.setHeight(self.getBodyView().dimens.height);
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helpView.setText('Some help text...')
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self.viewControllers.help.addView(helpView);
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self.viewControllers.help.switchFocus(1);
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}
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self.viewControllers.help.redrawAll();
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};
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*/
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this.displayHelp = function() {
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self.client.term.rawWrite(ansi.resetScreen());
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theme.displayThemeArt( { name : self.menuConfig.config.art.help, client : self.client },
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function helpDisplayed(err, artData) {
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self.client.waitForKeyPress(function keyPress(ch, key) {
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self.redrawScreen();
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self.viewControllers.footerEditMenu.setFocus(true);
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});
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}
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);
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};
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this.observeEditEvents = function() {
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var bodyView = self.viewControllers.body.getView(1);
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bodyView.on('edit position', function cursorPosUpdate(pos) {
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self.updateEditModePosition(pos);
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});
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bodyView.on('text edit mode', function textEditMode(mode) {
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self.updateTextEditMode(mode);
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});
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};
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this.menuMethods = {
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headerSubmit : function(formData, extraArgs) {
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self.viewControllers.header.setFocus(false);
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self.viewControllers.body.switchFocus(1);
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self.observeEditEvents();
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},
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editModeEscPressed : function(formData, extraArgs) {
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self.editorMode = 'edit' === self.editorMode ? 'editMenu' : 'edit';
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self.switchFooter(function next(err) {
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if(err) {
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// :TODO:... what now?
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console.log(err)
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} else {
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switch(self.editorMode) {
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case 'edit' :
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if(!_.isUndefined(self.viewControllers.footerEditMenu)) {
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self.viewControllers.footerEditMenu.setFocus(false);
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}
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self.viewControllers.body.switchFocus(1);
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self.observeEditEvents();
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break;
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case 'editMenu' :
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self.viewControllers.body.setFocus(false);
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self.viewControllers.footerEditMenu.switchFocus(1);
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break;
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default : throw new Error('Unexpected mode');
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}
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}
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});
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},
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/*
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editModeMenuSave : function(formData, extraArgs) {
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var msg = self.getMessage();
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console.log(msg);
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},*/
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editModeMenuQuote : function(formData, extraArgs) {
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},
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editModeMenuHelp : function(formData, extraArgs) {
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self.viewControllers.footerEditMenu.setFocus(false);
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self.displayHelp();
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}
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};
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}
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require('util').inherits(FullScreenEditorModule, MenuModule);
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FullScreenEditorModule.prototype.enter = function(client) {
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FullScreenEditorModule.super_.prototype.enter.call(this, client);
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};
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FullScreenEditorModule.prototype.mciReady = function(mciData) {
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this.mciReadyHandler(mciData);
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//this['mciReadyHandler' + _.capitalize(this.editorType)](mciData);
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};
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FullScreenEditorModule.prototype.validateToUserName = function(un, cb) {
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cb(null); // note: to be implemented by sub classes
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};
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