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/*=========================================================================================
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File Name: form-maxlength.js
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Description: Bootstrap-Maxlength uses a Twitter Bootstrap label to show a visual
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feedback to the user about the maximum length of the field where the user is
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inserting text. Uses the HTML5 attribute "maxlength" to work.
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----------------------------------------------------------------------------------------
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Item Name: Vuesax HTML Admin Template
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Version: 1.1
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Author: Pixinvent
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Author URL: hhttp://www.themeforest.net/user/pixinvent
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==========================================================================================*/
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(function (window, document, $) {
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'use strict';
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var $danger = "#ea5455";
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var $primary = "#7367f0";
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var $textcolor = "#4e5154";
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$(".char-textarea").on("keyup", function (event) {
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checkTextAreaMaxLength(this, event);
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// to later change text color in dark layout
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$(this).addClass("active")
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});
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/*
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Checks the MaxLength of the Textarea
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-----------------------------------------------------
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@prerequisite: textBox = textarea dom element
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e = textarea event
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length = Max length of characters
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*/
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function checkTextAreaMaxLength(textBox, e) {
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var maxLength = parseInt($(textBox).data("length"));
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if (!checkSpecialKeys(e)) {
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if (textBox.value.length < maxLength - 1) textBox.value = textBox.value.substring(0, maxLength);
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}
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$(".char-count").html(textBox.value.length);
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if (textBox.value.length > maxLength) {
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$(".counter-value").css("background-color", $danger);
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$(".char-textarea").css("color", $danger);
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// to change text color after limit is maxedout out
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$(".char-textarea").addClass("max-limit")
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}
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else {
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$(".counter-value").css("background-color", $primary);
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$(".char-textarea").css("color", $textcolor);
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$(".char-textarea").removeClass("max-limit")
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}
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return true;
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}
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/*
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Checks if the keyCode pressed is inside special chars
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-------------------------------------------------------
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@prerequisite: e = e.keyCode object for the key pressed
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*/
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function checkSpecialKeys(e) {
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if (e.keyCode != 8 && e.keyCode != 46 && e.keyCode != 37 && e.keyCode != 38 && e.keyCode != 39 && e.keyCode != 40)
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return false;
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else
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return true;
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}
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})(window, document, jQuery);
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