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I want to restrict textarea characters length to 150 characters, My system.xml code is below : – Magento

I want to restrict textarea characters length to 150 characters, My system.xml code is below :

...
<orderPlaceMessage translate="label">
    <label>Message for order place: </label>
    <frontend_type>textarea</frontend_type>
    <sort_order>1</sort_order>
    <show_in_default>1</show_in_default>
    <show_in_website>1</show_in_website>
    <show_in_store>1</show_in_store>

    {how to limit character length }

</orderPlaceMessage>
...
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2

Answers


  1. 0

    You can use <validate> tag to restrict textarea characters length to 150 characters.

    <validate>validate-length maximum-length-150</validate>

    You can add a comment as well to let the user know what is the desired range.

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  2. 0

    Please find two solutions below.

    Solution 1:-

    Add the following to the <orderPlaceMessage> element:

    <validate>validate-length maximum-length-150</validate>

    This will add these validation CSS classes used by prototype.js. If
    you enter a longer value, you will see this generic validation
    message:

    Text length does not satisfy specified text range

    So it is a good idea to add a comment as well to let the user know
    what this range is:

    <comment>Maximum length: 150 characters</comment>

    If the limit is important for data integrity, you should also add
    server-side validation, using a backend model. Digital Pianism already
    linked a tutorial for this:
    http://alanstorm.com/magento_system_config_validation

    And if you want to know more about the various options in the
    system.XML, there is:
    http://alanstorm.com/magento_system_configuration_in_depth_tutorial

    Solution 2:-

    Please used below jQuery script for limit character length :

    jQuery("#sms_cnfg_advanced_settings textarea").keypress(function(event){
    var maxLength = 160;
    var length = this.value.length;
    if (length >= maxLength)
     {
        this.value = this.value.substring(0, maxLength);
        alert(maxLength + ' characters allowed, excess characters trimmed');
     }
});

jQuery("#sms_cnfg_advanced_settings textarea").on('keyup',function(){
    jQuery('.charnum').remove();
    var maxLength = 160;
    var length = this.value.length;

     var count=maxLength-length;
     jQuery('<span class="charnum">' +count+' Characters left</span>').insertAfter(jQuery(this));

});

    I Hope it’s helpful for you.

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