META-INF.resources.primefaces.forms.forms.password.js Maven / Gradle / Ivy

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PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
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/**
 * PrimeFaces Password
 */
PrimeFaces.widget.Password = PrimeFaces.widget.BaseWidget.extend({

    init: function(cfg) {
        this._super(cfg);

        if(!this.jq.is(':disabled')) {
            if(this.cfg.feedback) {
                this.setupFeedback();
            }

            PrimeFaces.skinInput(this.jq);
        }
    },

    setupFeedback: function() {
        var _self = this;

        //remove previous panel if any
        var oldPanel = $(this.jqId + '_panel');
        if(oldPanel.length == 1) {
            oldPanel.remove();
        }

        //config
        this.cfg.promptLabel = this.cfg.promptLabel||'Please enter a password';
        this.cfg.weakLabel = this.cfg.weakLabel||'Weak';
        this.cfg.goodLabel = this.cfg.goodLabel||'Medium';
        this.cfg.strongLabel = this.cfg.strongLabel||'Strong';

        var panelStyle = this.cfg.inline ? 'ui-password-panel-inline' : 'ui-password-panel-overlay';

        //create panel element
        var panelMarkup = '';
        panelMarkup += ' ';
        panelMarkup += '' + this.cfg.promptLabel + '';
        panelMarkup += '';

        this.panel = $(panelMarkup).insertAfter(this.jq);
        this.meter = this.panel.children('div.ui-password-meter');
        this.infoText = this.panel.children('div.ui-password-info');

        if(!this.cfg.inline) {
            this.panel.addClass('ui-shadow');
        }

        //events
        this.jq.focus(function() {
            _self.show();
        })
        .blur(function() {
            _self.hide();
        })
        .keyup(function() {
            var value = _self.jq.val(),
            label = null,
            meterPos = null;

            if(value.length == 0) {
                label = _self.cfg.promptLabel;
                meterPos = '0px 0px';
            }
            else {
                var score = _self.testStrength(_self.jq.val());

                if(score < 30) {
                    label = _self.cfg.weakLabel;
                    meterPos = '0px -10px';
                }
                else if(score >= 30 && score < 80) {
                    label = _self.cfg.goodLabel;
                    meterPos = '0px -20px';
                }
                else if(score >= 80) {
                    label = _self.cfg.strongLabel;
                    meterPos = '0px -30px';
                }
            }

            //update meter and info text
            _self.meter.css('background-position', meterPos);
            _self.infoText.text(label);
        });

        //overlay setting
        if(!this.cfg.inline) {
            this.panel.appendTo('body');

            //Hide overlay on resize
            var resizeNS = 'resize.' + this.id;
            $(window).unbind(resizeNS).bind(resizeNS, function() {
                if(_self.panel.is(':visible')) {
                    _self.align();
                }
            });
        }
    },

    testStrength: function(str) {
        var grade = 0,
        val = 0,
        _self = this;

        val = str.match('[0-9]');
        grade += _self.normalize(val ? val.length : 1/4, 1) * 25;

        val = str.match('[a-zA-Z]');
        grade += _self.normalize(val ? val.length : 1/2, 3) * 10;

        val = str.match('[!@#$%^&*?_~.,;=]');
        grade += _self.normalize(val ? val.length : 1/6, 1) * 35;

        val = str.match('[A-Z]');
        grade += _self.normalize(val ? val.length : 1/6, 1) * 30;

        grade *= str.length / 8;

        return grade > 100 ? 100 : grade;
    },

    normalize: function(x, y) {
        var diff = x - y;

        if(diff <= 0) {
            return x / y;
        }
        else {
            return 1 + 0.5 * (x / (x + y/4));
        }
    },

    align: function() {
        this.panel.css({
            left:'',
            top:'',
            'z-index': ++PrimeFaces.zindex
        })
        .position({
            my: 'left top',
            at: 'right top',
            of: this.jq
        });
    },

    show: function() {
        if(!this.cfg.inline) {
            this.align();

            this.panel.fadeIn();
        }
        else {
            this.panel.slideDown();
        }
    },

    hide: function() {
        if(this.cfg.inline)
            this.panel.slideUp();
        else
            this.panel.fadeOut();
    }

});