META-INF.resources.primefaces.keyfilter.1-keyfilter.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.widget.KeyFilter = PrimeFaces.widget.BaseWidget.extend({

    /**
     * Initializes the widget.
     *
     * @param {object} cfg The widget configuration.
     */
    init : function(cfg) {
        this.id = cfg.id;
        this.cfg = cfg;
        this.target = PrimeFaces.expressions.SearchExpressionFacade.resolveComponentsAsSelector(this.cfg.target);

        if (this.target.is(':input')) {
            this.applyKeyFilter(this.target, cfg);
        } else {
            var nestedInput = $(':not(:submit):not(:button):input:visible:enabled:first', this.target);
            this.applyKeyFilter(nestedInput, cfg);
        }

        this.removeScriptElement(this.id);
    },

    /**
     * Applies the keyFilter to the given jQuery selector object.
     *
     * @param {object} input A jQuery selector object.
     * @param {object} cfg The widget configuration.
     * @private
     */
    applyKeyFilter : function(input, cfg) {
        if (this.cfg.regEx) {
            input.keyfilter(this.cfg.regEx);
        } else if(this.cfg.inputRegEx) {
            var inputRegEx = this.cfg.inputRegEx;
            var previousInputValue = '';
            input.on('input', function(e) {
                    var ok = inputRegEx.test(this.value);
                    if(ok) {
                            previousInputValue = this.value;
                    }
                    else {
                            this.value = previousInputValue;
                    }
            });
        } else if (this.cfg.testFunction) {
            input.keyfilter(this.cfg.testFunction);
        } else if (this.cfg.mask) {
            input.keyfilter($.fn.keyfilter.defaults.masks[this.cfg.mask]);
        }

        if (cfg.preventPaste) {
            //disable paste
            input.on('paste', function(e) {
                e.preventDefault();
            });
        }
    }
});