Ext.ux.form.SecurePass = function(config) {
	Ext.ux.form.SecurePass.superclass.constructor.call(this, config);
	this.markInvalid = this.markInvalid.createSequence(function() {
		this.el.addClass("invalid");
		this.el.removeClass("valid");
	});
};
Ext.extend(Ext.ux.form.SecurePass, Ext.form.TextField, {
	/**
	 * @cfg {String/Object} errors A Error spec, or true for a default spec (defaults to { PwdEmpty: "Please type a
	 * password, and then retype it to confirm.", PwdShort: "Your password must be at least 6 characters long. Please
	 * type a different password.", PwdLong: "Your password can't contain more than 16 characters. Please type a
	 * different password.", PwdBadChar: "The password contains characters that aren't allowed. Please type a different
	 * password.", IDInPwd: "Your password can't include the part of your ID. Please type a different password.",
	 * FNInPwd: "Your password can't contain your first name. Please type a different password.", LNInPwd: "Your
	 * password can't contain your last name. Please type a different password." })
	 */
	// private
	maxlength : 32,
	errors : {
		PwdEmpty : translate("Das Passwort darf nicht leer sein."),
		PwdShort : translate("Das Passwort muß mindestens 6 Zeichen enthalten."),
		PwdLong : translate("Das Passwort darf maximal " + this.maxlength + " Zeichen enthalten."),
		PwdBadChar : translate("Das Passwort enthät ungültige Zeichen."),
		IDInPwd : translate("Das Passwort ist Teil des Logins."),
		FNInPwd : translate("Ihr Vorname darf nicht im Passwort vorkommen."),
		LNInPwd : translate("Ihr Nachname darf nicht im Passwort vorkommen.")
	},
	/**
	 * @cfg {String/Object} Label for the strength meter (defaults to 'Password strength:')
	 */
	// private
	meterLabel : translate('Passwort Sicherheit'),
	/**
	 * @cfg {String/Object} pwdStrengths A pwdStrengths spec, or true for a default spec (defaults to ['Weak', 'Medium',
	 * 'Strong'])
	 */
	// private
	pwdStrengths : [
		translate('Schwach'),
		translate('Mittel'),
		translate('Ok')
	],
	/**
	 * @cfg {String/Object} fieldsFilter A fieldsFilter spec, as [['field_name', 'error_id'], ...]
	 */
	// private
	fieldsFilter : null,
	// private
	strength : 0,
	// private
	_lastPwd : null,
	// private
	kCapitalLetter : 0,
	kSmallLetter : 1,
	kDigit : 2,
	kPunctuation : 3,
	// private
	initEvents : function() {
		Ext.ux.form.SecurePass.superclass.initEvents.call(this);
		this.el.on('keyup', this.checkStrength, this, {
			buffer : 50
		});
		this._lastPwd = this.el.getValue();
	},
	// private
	onRender : function(ct, position) {
		Ext.ux.form.SecurePass.superclass.onRender.call(this, ct, position);
		this.wrap = this.el.wrap({
			cls : "x-form-field-wrap"
		});
		this.trigger = this.wrap.createChild({
			tag : "div",
			cls : "StrengthMeter"
		});
		if (this.meterLabel != '') {
			this.trigger.createChild({
				tag : "label",
				html : this.meterLabel
			});
		};
		this.trigger.createChild({
			tag : "div",
			cls : "PwdMeterBase",
			html : '<div class="PwdBack"><div class="PwdMeter" id="PwdMeter"></div></div>'
		});
		if (this.hideTrigger) {
			this.trigger.setDisplayed(false);
		};
		this.setSize(this.width || '', this.height || '');
	},
	// private
	onDestroy : function() {
		if (this.trigger) {
			this.trigger.removeAllListeners();
			this.trigger.remove();
		};
		if (this.wrap) {
			this.wrap.remove();
		};
		Ext.form.TriggerField.superclass.onDestroy.call(this);
	},
	// private
	checkStrength : function() {
		var pwd = this.el.getValue();
		if (pwd == this._lastPwd) {
			return;
		};
		this.trigger.setDisplayed(true);
		var strength;
		if (this.ClientSideStrongPassword(pwd)) {
			strength = 3;
		} else if (this.ClientSideMediumPassword(pwd)) {
			strength = 2;
		} else if (this.ClientSideWeakPassword(pwd)) {
			strength = 1;
		} else {
			strength = 0;
		};
		document.getElementById('PwdMeter').style.width = 82 * strength + 'px';
		if (this.pwdStrengths != null && strength > 0) {
			document.getElementById('PwdMeter').innerHTML = '&nbsp;' + this.pwdStrengths[strength - 1];
		} else {
			document.getElementById('PwdMeter').innerHTML = '';
		};
		this._lastPwd = pwd;
	},
	// private
	validateValue : function(value) {
		if (!Ext.form.TextField.superclass.validateValue.call(this, value)) {
			return false;
		};
		if (value.length == 0) {
			this.markInvalid(this.errors.PwdEmpty);
			return false;
		};
		if ("[\x21-\x7e]*".match(value)) {
			this.markInvalid(this.errors.PwdBadChar);
			return false;
		};
		if (value.length < 6) {
			this.markInvalid(this.errors.PwdShort);
			return false;
		};
		if (value.length > this.maxlength) {
			this.markInvalid(this.errors.PwdLong);
			return false;
		};
		for ( var index = 0; index < this.fieldsFilter.length; ++index) {
			var f = Ext.getDom(this.fieldsFilter[index][0]);
			if (f && f.value != '') {
				var reg = eval('/' + value + '/gi');
				if (f.value.match(reg)) {
					this.markInvalid(eval('this.errors.' + this.fieldsFilter[index][1]));
					return false;
				}
			}
		};
		return true;
	},
	// private
	CharacterSetChecks : function(type) {
		this.type = type;
		this.fResult = false;
	},
	// private
	isctype : function(character, type) {
		switch (type) { // why needed break after return in js ? very odd bug
			case this.kCapitalLetter :
				if (character >= 'A' && character <= 'Z') {
					return true;
				}
				;
				break;
			case this.kSmallLetter :
				if (character >= 'a' && character <= 'z') {
					return true;
				}
				;
				break;
			case this.kDigit :
				if (character >= '0' && character <= '9') {
					return true;
				}
				;
				break;
			case this.kPunctuation :
				if ("!@#$%^&*()_+-='\";:[{]}|.>,</?`~".indexOf(character) >= 0) {
					return true;
				}
				;
				break;
			default :
				return false;
		}
	},
	// private
	IsLongEnough : function(pwd, size) {
		return !(pwd == null || isNaN(size) || pwd.length < size);
	},
	// private
	SpansEnoughCharacterSets : function(word, nb) {
		if (!this.IsLongEnough(word, nb)) {
			return false;
		};
		var characterSetChecks = new Array(new this.CharacterSetChecks(this.kCapitalLetter), new this.CharacterSetChecks(this.kSmallLetter), new this.CharacterSetChecks(this.kDigit), new this.CharacterSetChecks(this.kPunctuation));
		for ( var index = 0; index < word.length; ++index) {
			for ( var nCharSet = 0; nCharSet < characterSetChecks.length; ++nCharSet) {
				if (!characterSetChecks[nCharSet].fResult && this.isctype(word.charAt(index), characterSetChecks[nCharSet].type)) {
					characterSetChecks[nCharSet].fResult = true;
					break;
				}
			}
		};
		var nCharSets = 0;
		for ( var nCharSet = 0; nCharSet < characterSetChecks.length; ++nCharSet) {
			if (characterSetChecks[nCharSet].fResult) {
				++nCharSets;
			}
		};
		if (nCharSets < nb) {
			return false;
		};
		return true;
	},
	// private
	ClientSideStrongPassword : function(pwd) {
		return this.IsLongEnough(pwd, 8) && this.SpansEnoughCharacterSets(pwd, 3);
	},
	// private
	ClientSideMediumPassword : function(pwd) {
		return this.IsLongEnough(pwd, 7) && this.SpansEnoughCharacterSets(pwd, 2);
	},
	// private
	ClientSideWeakPassword : function(pwd) {
		return this.IsLongEnough(pwd, 6) || !this.IsLongEnough(pwd, 0);
	}
})