* Rewrite of Views. Cleaner. WIP

This commit is contained in:
NuSkooler 2014-10-21 23:12:44 -06:00
parent c6e6c1562d
commit 51d15659d5
4 changed files with 570 additions and 400 deletions

68
core/text_view.js Normal file
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/* jslint node: true */
'use strict';
var View = require('./view.js').View;
var miscUtil = require('./misc_util.js');
var strUtil = require('./string_util.js');
var ansi = require('./ansi_term.js');
var util = require('util');
var assert = require('assert');
exports.TextView = TextView;
function TextView(client, options) {
View.call(this, client, options);
var self = this;
if(this.options.maxLength) {
this.maxLength = this.options.maxLength;
}
this.textStyle = this.options.textStyle || 'normal';
this.multiLine = this.options.multiLine || false;
assert(!this.multiLine); // :TODO: not yet supported
if(!this.multiLine) {
this.dimens.height = 1;
}
this.setText(this.options.text || '');
this.isPasswordTextStyle = 'P' === self.textStyle || 'password' === self.textStyle;
if(this.isPasswordTextStyle) {
this.passwordMaskChar = miscUtil.valueWithDefault(this.options.passwordMaskChar, '*').substr(0, 1);
}
}
util.inherits(TextView, View);
TextView.prototype.redraw = function() {
TextView.super_.prototype.redraw.call(this);
var color = this.hasFocus ? this.getFocusColor() : this.getColor();
this.client.term.write(ansi.sgr(color.flags, color.fg, color.bg));
if(this.isPasswordTextStyle) {
this.client.term.write(strUtil.pad(new Array(this.text.length).join(this.passwordMaskChar), this.dimens.width));
} else {
this.client.term.write(strUtil.pad(this.text, this.dimens.width));
}
};
TextView.prototype.setText = function(text) {
this.text = text;
if(this.maxLength > 0) {
this.text = this.text.substr(0, this.maxLength);
}
this.text = strUtil.stylizeString(this.text, this.textStyle);
if(!this.multiLine) {
this.dimens.width = this.text.length;
}
};

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@ -1,420 +1,97 @@
/* jslint node: true */ /* jslint node: true */
'use strict'; 'use strict';
var util = require('util');
var ansi = require('./ansi_term.js');
var miscUtil = require('./misc_util.js');
var strUtil = require('./string_util.js');
var assert = require('assert');
var events = require('events'); var events = require('events');
var logger = require('./logger.js'); var util = require('util');
var assert = require('assert');
var ansi = require('./ansi_term.js');
exports.View = View; exports.View = View;
exports.LabelView = LabelView;
exports.TextEditView = TextEditView;
exports.ViewsController = ViewsController; var VIEW_SPECIAL_KEY_MAP_DEFAULT = {
enter : [ 'enter' ],
exit : [ 'esc' ],
backspace : [ 'backspace' ],
del : [ 'del' ],
next : [ 'tab' ],
};
function View(client) { function View(client, options) {
events.EventEmitter.call(this); events.EventEmitter.call(this);
var self = this; assert(client);
var self = this;
this.client = client;
this.options = options || {};
this.client = client;
this.acceptsFocus = false; this.acceptsFocus = false;
this.acceptsKeys = false; this.acceptsInput = false;
this.position = { x : 0, y : 0 };
this.dimens = { height : 1, width : 0 };
if(this.options.position) {
this.setPosition(this.options.position);
}
if(this.options.dimens && this.options.dimens.height) {
this.dimens.height = this.options.dimens.height;
}
if(this.options.dimens && this.options.dimens.width) {
this.dimens.width = this.options.dimens.width;
}
this.color = this.options.color || { flags : 0, fg : 7, bg : 0 };
this.focusColor = this.options.focusColor || this.color;
if(this.acceptsInput) {
this.specialKeyMap = this.options.specialKeyMap || VIEW_SPECIAL_KEY_MAP_DEFAULT;
}
} }
util.inherits(View, events.EventEmitter); util.inherits(View, events.EventEmitter);
View.prototype.place = function(pos) {
View.prototype.setPosition = function(pos) {
// //
// We allow [x, y], { x : x, y : y }, or (x, y) // We allow [x, y], { x : x, y : y }, or (x, y)
// //
if(util.isArray(pos)) { if(util.isArray(pos)) {
this.x = pos[0]; this.position.x = pos[0];
this.y = pos[1]; this.position.y = pos[1];
} else if(pos.x && pos.y) { } else if(pos.x && pos.y) {
this.x = pos.x; this.position.x = pos.x;
this.y = pos.y; this.position.y = pos.y;
} else if(2 === arguments.length) { } else if(2 === arguments.length) {
var x = parseInt(arguments[0], 10); var x = parseInt(arguments[0], 10);
var y = parseInt(arguments[1], 10); var y = parseInt(arguments[1], 10);
if(!isNaN(x) && !isNaN(y)) { if(!isNaN(x) && !isNaN(y)) {
this.x = x; this.position.x = x;
this.y = y; this.position.y = y;
} }
} }
assert(this.x > 0 && this.x < this.client.term.termHeight); assert(this.position.x > 0 && this.position.x < this.client.term.termHeight);
assert(this.y > 0 && this.y < this.client.term.termWidth); assert(this.position.y > 0 && this.position.y < this.client.term.termWidth);
this.client.term.write(ansi.goto(this.x, this.y));
};
View.prototype.setFocus = function(focused) {
assert(this.x);
assert(this.y);
}; };
View.prototype.getColor = function() { View.prototype.getColor = function() {
return this.options.color; return this.color;
}; };
View.prototype.getFocusColor = function() { View.prototype.getFocusColor = function() {
return this.options.focusColor || this.getColor(); return this.focusColor;
}; };
function LabelView(client, text, options) { View.prototype.redraw = function() {
View.call(this, client); this.client.term.write(ansi.goto(this.position.x, this.position.y));
var self = this;
if(options) {
if(options.maxWidth) {
text = text.substr(0, options.maxWidth);
}
text = strUtil.stylizeString(text, options.style);
}
this.value = text;
this.height = 1;
this.width = this.value.length;
}
util.inherits(LabelView, View);
LabelView.prototype.place = function(pos) {
LabelView.super_.prototype.place.apply(this, arguments);
this.client.term.write(this.value);
}; };
/////////////////////////////////////////////////////////////////////////////// View.prototype.setFocus = function(focused) {
assert(this.acceptsFocus, 'View does not accept focus');
var INTERACTIVE_VIEW_DEFAULT_SPECIAL_KEYSET = {
enter : [ 'enter' ],
exit : [ 'esc' ],
backspace : [ 'backspace', 'del' ],
next : [ 'tab' ],
};
function InteractiveView(client, options) {
View.call(this, client);
this.acceptsFocus = true;
this.acceptsKeys = true;
if(options) {
this.options = options;
} else {
this.options = {
};
}
this.options.specialKeySet = miscUtil.valueWithDefault(
options.specialKeySet, INTERACTIVE_VIEW_DEFAULT_SPECIAL_KEYSET
);
this.isSpecialKeyFor = function(checkFor, specialKey) {
return this.options.specialKeySet[checkFor].indexOf(specialKey) > -1;
};
this.backspace = function() {
this.client.term.write('\b \b');
};
}
util.inherits(InteractiveView, View);
InteractiveView.prototype.setFocus = function(focused) {
InteractiveView.super_.prototype.setFocus.call(this, focused);
this.hasFocus = focused; this.hasFocus = focused;
}; };
InteractiveView.prototype.setNextView = function(id) {
this.nextId = id;
};
var TEXT_EDIT_INPUT_TYPES = [
'normal', 'N',
'password', 'P',
'upper', 'U',
'lower', 'l',
];
function TextEditView(client, options) {
InteractiveView.call(this, client, options);
if(!options) {
this.options.multiLine = false;
}
this.options.inputType = miscUtil.valueWithDefault(this.options.inputType, 'normal');
assert(TEXT_EDIT_INPUT_TYPES.indexOf(this.options.inputType) > -1);
if('password' === this.options.inputType || 'P' === this.options.inputType) {
this.options.inputMaskChar = miscUtil.valueWithDefault(this.options.inputMaskChar, '*').substr(0,1);
}
this.value = miscUtil.valueWithDefault(options.defaultValue, '');
// :TODO: hilight, text, etc., should come from options or default for theme if not provided
// focus=fg + bg
// standard=fg +bg
}
util.inherits(TextEditView, InteractiveView);
TextEditView.prototype.place = function(pos) {
TextEditView.super_.prototype.place.apply(this, arguments);
if(!this.options.maxWidth) {
this.options.maxWidth = this.client.term.termWidth - this.x;
}
this.width = this.options.maxWidth;
};
TextEditView.prototype.setFocus = function(focused) {
TextEditView.super_.prototype.setFocus.call(this, focused);
this.client.term.write(ansi.goto(this.x, this.y));
this.redraw();
this.client.term.write(ansi.goto(this.x, this.y + this.value.length));
};
TextEditView.prototype.redraw = function() {
var color = this.hasFocus ? this.getFocusColor() : this.getColor();
this.client.term.write(ansi.sgr(color.flags, color.fg, color.bg));
this.client.term.write(strUtil.pad(this.value, this.width));
};
TextEditView.prototype.onKeyPressed = function(k, isSpecial) {
assert(this.hasFocus);
if(isSpecial) {
return; // handled via onSpecialKeyPressed()
}
if(this.value.length < this.options.maxWidth) {
k = strUtil.stylizeString(k, this.options.inputType);
this.value += k;
if('P' === this.options.inputType.charAt(0).toUpperCase()) {
this.client.term.write(this.options.inputMaskChar);
} else {
this.client.term.write(k);
}
}
};
TextEditView.prototype.onSpecialKeyPressed = function(keyName) {
assert(this.hasFocus);
console.log(keyName);
if(this.isSpecialKeyFor('backspace', keyName)) {
if(this.value.length > 0) {
this.value = this.value.substr(0, this.value.length - 1);
this.backspace();
}
} else if(this.isSpecialKeyFor('enter', keyName)) {
if(this.options.multiLine) {
} else {
this.emit('action', 'accepted');
}
} else if(this.isSpecialKeyFor('next', keyName)) {
this.emit('action', 'next');
}
};
function MenuView(options) {
}
function VerticalMenuView(options) {
}
///////////////////////////////////////////////////////
// :TODO: Move to view_controller.js
function ViewsController(client) {
events.EventEmitter.call(this);
var self = this;
this.views = {};
this.client = client;
client.on('key press', function onKeyPress(k, isSpecial) {
if(self.focusedView && self.focusedView.acceptsKeys) {
self.focusedView.onKeyPressed(k, isSpecial);
}
});
client.on('special key', function onSpecialKey(keyName) {
if(self.focusedView && self.focusedView.acceptsKeys) {
self.focusedView.onSpecialKeyPressed(keyName);
}
});
this.onViewAction = function(action) {
console.log(action + ' @ ' + this.id);
if(self.submitViewId == this.id) {
self.emit('action', { view : this, action : 'submit' });
} else {
self.emit('action', { view : this, action : action });
if('accepted' === action || 'next' === action) {
self.nextFocus();
}
}
};
}
util.inherits(ViewsController, events.EventEmitter);
ViewsController.prototype.addView = function(viewInfo) {
viewInfo.view.id = viewInfo.id;
this.views[viewInfo.id] = {
view : viewInfo.view,
pos : viewInfo.pos
};
viewInfo.view.place(viewInfo.pos);
};
ViewsController.prototype.viewExists = function(id) {
return id in this.views;
};
ViewsController.prototype.getView = function(id) {
return this.views[id].view;
};
ViewsController.prototype.switchFocus = function(id) {
var view = this.getView(id);
if(!view) {
logger.log.warn('Invalid view', { id : id });
return false;
}
if(!view.acceptsFocus) {
logger.log.warn('View does not accept focus', { id : id });
return false;
}
this.focusedView = view;
view.setFocus(true);
};
ViewsController.prototype.nextFocus = function() {
var nextId = this.focusedView.nextId;
this.focusedView.setFocus(false);
if(nextId > 0) {
this.switchFocus(nextId);
} else {
this.switchFocus(this.firstId);
}
};
ViewsController.prototype.setSubmitView = function(id) {
this.submitViewId = id;
};
ViewsController.prototype.loadFromMCIMap = function(mciMap) {
var factory = new MCIViewFactory(this.client);
var view;
var mci;
for(var entry in mciMap) {
mci = mciMap[entry];
view = factory.createFromMCI(mci);
if(view) {
this.addView({
id : mci.id,
view : view,
pos : mci.position
});
view.on('action', this.onViewAction);
}
}
};
ViewsController.prototype.setViewOrder = function(order) {
var idOrder = [];
if(order) {
// :TODO:
} else {
for(var id in this.views) {
idOrder.push(id);
}
// :TODO: simply sort
console.log(idOrder);
this.firstId = idOrder[0];
}
var view;
for(var i = 0; i < idOrder.length - 1; ++i) {
view = this.getView(idOrder[i]);
if(view) {
view.setNextView(idOrder[i + 1]);
}
}
};
///////////////////////////////////////////////////
function MCIViewFactory(client, mci) {
this.client = client;
}
MCIViewFactory.prototype.createFromMCI = function(mci) {
assert(mci.code);
assert(mci.id > 0);
var view;
var options = {};
switch(mci.code) {
case 'EV' :
if(mci.args.length > 0) {
options.maxWidth = mci.args[0];
}
if(mci.args.length > 1) {
options.inputType = mci.args[1];
}
options.color = mci.color;
options.focusColor = mci.focusColor;
view = new TextEditView(this.client, options);
break;
}
return view;
};

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core/view_backup.js Normal file
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/* jslint node: true */
'use strict';
var util = require('util');
var ansi = require('./ansi_term.js');
var miscUtil = require('./misc_util.js');
var strUtil = require('./string_util.js');
var assert = require('assert');
var events = require('events');
var logger = require('./logger.js');
exports.View = View;
exports.LabelView = LabelView;
exports.TextEditView = TextEditView;
exports.ViewsController = ViewsController;
function View(client, options) {
events.EventEmitter.call(this);
var self = this;
this.client = client;
this.options = options;
this.acceptsFocus = false;
this.acceptsKeys = false;
}
util.inherits(View, events.EventEmitter);
View.prototype.place = function(pos) {
//
// We allow [x, y], { x : x, y : y }, or (x, y)
//
if(util.isArray(pos)) {
this.x = pos[0];
this.y = pos[1];
} else if(pos.x && pos.y) {
this.x = pos.x;
this.y = pos.y;
} else if(2 === arguments.length) {
var x = parseInt(arguments[0], 10);
var y = parseInt(arguments[1], 10);
if(!isNaN(x) && !isNaN(y)) {
this.x = x;
this.y = y;
}
}
assert(this.x > 0 && this.x < this.client.term.termHeight);
assert(this.y > 0 && this.y < this.client.term.termWidth);
this.client.term.write(ansi.goto(this.x, this.y));
};
View.prototype.setFocus = function(focused) {
assert(this.x);
assert(this.y);
};
View.prototype.getColor = function() {
return this.options.color;
};
View.prototype.getFocusColor = function() {
return this.options.focusColor || this.getColor();
};
function LabelView(client, text, options) {
View.call(this, client);
var self = this;
if(options) {
if(options.maxWidth) {
text = text.substr(0, options.maxWidth);
}
text = strUtil.stylizeString(text, options.style);
}
this.value = text;
this.height = 1;
this.width = this.value.length;
}
util.inherits(LabelView, View);
LabelView.prototype.place = function(pos) {
LabelView.super_.prototype.place.apply(this, arguments);
this.client.term.write(this.value);
};
///////////////////////////////////////////////////////////////////////////////
var INTERACTIVE_VIEW_DEFAULT_SPECIAL_KEYSET = {
enter : [ 'enter' ],
exit : [ 'esc' ],
backspace : [ 'backspace', 'del' ],
next : [ 'tab' ],
};
function InteractiveView(client, options) {
View.call(this, client);
this.acceptsFocus = true;
this.acceptsKeys = true;
if(options) {
this.options = options;
} else {
this.options = {
};
}
this.options.specialKeySet = miscUtil.valueWithDefault(
options.specialKeySet, INTERACTIVE_VIEW_DEFAULT_SPECIAL_KEYSET
);
this.isSpecialKeyFor = function(checkFor, specialKey) {
return this.options.specialKeySet[checkFor].indexOf(specialKey) > -1;
};
this.backspace = function() {
this.client.term.write('\b \b');
};
}
util.inherits(InteractiveView, View);
InteractiveView.prototype.setFocus = function(focused) {
InteractiveView.super_.prototype.setFocus.call(this, focused);
this.hasFocus = focused;
};
InteractiveView.prototype.setNextView = function(id) {
this.nextId = id;
};
var TEXT_EDIT_INPUT_TYPES = [
'normal', 'N',
'password', 'P',
'upper', 'U',
'lower', 'l',
];
function TextEditView(client, options) {
InteractiveView.call(this, client, options);
if(!options) {
this.options.multiLine = false;
}
this.options.inputType = miscUtil.valueWithDefault(this.options.inputType, 'normal');
assert(TEXT_EDIT_INPUT_TYPES.indexOf(this.options.inputType) > -1);
if('password' === this.options.inputType || 'P' === this.options.inputType) {
this.options.inputMaskChar = miscUtil.valueWithDefault(this.options.inputMaskChar, '*').substr(0,1);
}
this.value = miscUtil.valueWithDefault(options.defaultValue, '');
// :TODO: hilight, text, etc., should come from options or default for theme if not provided
// focus=fg + bg
// standard=fg +bg
}
util.inherits(TextEditView, InteractiveView);
TextEditView.prototype.place = function(pos) {
TextEditView.super_.prototype.place.apply(this, arguments);
if(!this.options.maxWidth) {
this.options.maxWidth = this.client.term.termWidth - this.x;
}
this.width = this.options.maxWidth;
};
TextEditView.prototype.setFocus = function(focused) {
TextEditView.super_.prototype.setFocus.call(this, focused);
this.client.term.write(ansi.goto(this.x, this.y));
this.redraw();
this.client.term.write(ansi.goto(this.x, this.y + this.value.length));
};
TextEditView.prototype.redraw = function() {
var color = this.hasFocus ? this.getFocusColor() : this.getColor();
this.client.term.write(ansi.sgr(color.flags, color.fg, color.bg));
this.client.term.write(strUtil.pad(this.value, this.width));
};
TextEditView.prototype.onKeyPressed = function(k, isSpecial) {
assert(this.hasFocus);
if(isSpecial) {
return; // handled via onSpecialKeyPressed()
}
if(this.value.length < this.options.maxWidth) {
k = strUtil.stylizeString(k, this.options.inputType);
this.value += k;
if('P' === this.options.inputType.charAt(0).toUpperCase()) {
this.client.term.write(this.options.inputMaskChar);
} else {
this.client.term.write(k);
}
}
};
TextEditView.prototype.onSpecialKeyPressed = function(keyName) {
assert(this.hasFocus);
console.log(keyName);
if(this.isSpecialKeyFor('backspace', keyName)) {
if(this.value.length > 0) {
this.value = this.value.substr(0, this.value.length - 1);
this.backspace();
}
} else if(this.isSpecialKeyFor('enter', keyName)) {
if(this.options.multiLine) {
} else {
this.emit('action', 'accepted');
}
} else if(this.isSpecialKeyFor('next', keyName)) {
this.emit('action', 'next');
}
};
function MenuView(options) {
}
function VerticalMenuView(options) {
}
///////////////////////////////////////////////////////
// :TODO: Move to view_controller.js
function ViewsController(client) {
events.EventEmitter.call(this);
var self = this;
this.views = {};
this.client = client;
client.on('key press', function onKeyPress(k, isSpecial) {
if(self.focusedView && self.focusedView.acceptsKeys) {
self.focusedView.onKeyPressed(k, isSpecial);
}
});
client.on('special key', function onSpecialKey(keyName) {
if(self.focusedView && self.focusedView.acceptsKeys) {
self.focusedView.onSpecialKeyPressed(keyName);
}
});
this.onViewAction = function(action) {
console.log(action + ' @ ' + this.id);
if('next' === action) {
self.emit('action', { view : this, action : action });
self.nextFocus();
} else if('accepted' === action) {
if(self.submitViewId == this.id) {
self.emit('action', { view : this, action : 'submit' });
} else {
self.nextFocus();
}
}
/*
if(self.submitViewId == this.id) {
self.emit('action', { view : this, action : 'submit' });
} else {
self.emit('action', { view : this, action : action });
if('accepted' === action || 'next' === action) {
self.nextFocus();
}
}*/
};
}
util.inherits(ViewsController, events.EventEmitter);
ViewsController.prototype.addView = function(viewInfo) {
viewInfo.view.id = viewInfo.id;
this.views[viewInfo.id] = {
view : viewInfo.view,
pos : viewInfo.pos
};
viewInfo.view.place(viewInfo.pos);
};
ViewsController.prototype.viewExists = function(id) {
return id in this.views;
};
ViewsController.prototype.getView = function(id) {
return this.views[id].view;
};
ViewsController.prototype.switchFocus = function(id) {
var view = this.getView(id);
if(!view) {
logger.log.warn('Invalid view', { id : id });
return false;
}
if(!view.acceptsFocus) {
logger.log.warn('View does not accept focus', { id : id });
return false;
}
this.focusedView = view;
view.setFocus(true);
};
ViewsController.prototype.nextFocus = function() {
var nextId = this.focusedView.nextId;
this.focusedView.setFocus(false);
if(nextId > 0) {
this.switchFocus(nextId);
} else {
this.switchFocus(this.firstId);
}
};
ViewsController.prototype.setSubmitView = function(id) {
this.submitViewId = id;
};
ViewsController.prototype.loadFromMCIMap = function(mciMap) {
var factory = new MCIViewFactory(this.client);
var view;
var mci;
for(var entry in mciMap) {
mci = mciMap[entry];
view = factory.createFromMCI(mci);
if(view) {
this.addView({
id : mci.id,
view : view,
pos : mci.position
});
view.on('action', this.onViewAction);
}
}
};
ViewsController.prototype.setViewOrder = function(order) {
var idOrder = [];
if(order) {
// :TODO:
} else {
for(var id in this.views) {
idOrder.push(id);
}
// :TODO: simply sort
console.log(idOrder);
this.firstId = idOrder[0];
}
var view;
for(var i = 0; i < idOrder.length - 1; ++i) {
view = this.getView(idOrder[i]);
if(view) {
view.setNextView(idOrder[i + 1]);
}
}
};
///////////////////////////////////////////////////
function MCIViewFactory(client, mci) {
this.client = client;
}
MCIViewFactory.prototype.createFromMCI = function(mci) {
assert(mci.code);
assert(mci.id > 0);
var view;
var options = {};
switch(mci.code) {
case 'EV' :
if(mci.args.length > 0) {
options.maxWidth = mci.args[0];
}
if(mci.args.length > 1) {
options.inputType = mci.args[1];
}
options.color = mci.color;
options.focusColor = mci.focusColor;
view = new TextEditView(this.client, options);
break;
}
return view;
};

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@ -7,7 +7,8 @@ var lineEditor = require('../core/line_editor.js');
var art = require('../core/art.js'); var art = require('../core/art.js');
var user = require('../core/user.js'); var user = require('../core/user.js');
var view = require('../core/view.js'); //var view = require('../core/view.js');
var textView = require('../core/text_view.js');
exports.moduleInfo = { exports.moduleInfo = {
name : 'Matrix', name : 'Matrix',
@ -33,6 +34,16 @@ function entryPoint(client) {
return; return;
} }
var tv = new textView.TextView(client, {
position : [5, 5],
text : 'Hello, World!',
textStyle : 'password',
maxLength : 10
});
tv.redraw();
/*
var vc = new view.ViewsController(client); var vc = new view.ViewsController(client);
vc.loadFromMCIMap(mci); vc.loadFromMCIMap(mci);
vc.setViewOrder(); vc.setViewOrder();
@ -46,25 +57,6 @@ function entryPoint(client) {
console.log('userName: ' + un); console.log('userName: ' + un);
console.log('password: ' + pw); console.log('password: ' + pw);
/*
var user1 = new user.User();
user.User.generatePasswordDerivedKey('password', function onDk(err, dkInfo) {
user1.userName = 'NuSkooler';
user1.properties = {
pw_pbkdf2_salt : dkInfo.salt,
pw_pbkdf2_dk : dkInfo.dk,
};
user.User.addNew(user1, function onNewUser(err, id) {
if(err) {
console.log(err);
} else {
console.log('new user id: ' + id);
}
});
});*/
user.User.loadWithCredentials(un, pw, function onUser(err, user) { user.User.loadWithCredentials(un, pw, function onUser(err, user) {
if(err) { if(err) {
console.log(err); console.log(err);
@ -75,6 +67,7 @@ function entryPoint(client) {
}); });
} }
}); });
*/
}); });
} }
}); });