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61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
/**
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* Placeholder label
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* https://github.com/AbleTech/jquery.placeholder-label
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*
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* Copyright (c) 2010 Able Technology Consulting Limited
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* http://www.abletech.co.nz/
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*/
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(function($) {
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$.placeholderLabel = {
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placeholder_class: null,
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add_placeholder: function(){
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if($(this).val() == $(this).attr('placeholder')){
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$(this).val('').removeClass($.placeholderLabel.placeholder_class);
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}
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},
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remove_placeholder: function(){
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if($(this).val() == ''){
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$(this).val($(this).attr('placeholder')).addClass($.placeholderLabel.placeholder_class);
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}
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},
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disable_placeholder_fields: function(){
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$(this).find("input[placeholder]").each(function(){
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if($(this).val() == $(this).attr('placeholder')){
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$(this).val('');
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}
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});
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return true;
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}
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};
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$.fn.placeholderLabel = function(options) {
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// detect modern browsers
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var dummy = document.createElement('input');
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if(dummy.placeholder != undefined){
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return this;
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}
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var config = {
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placeholder_class : 'placeholder'
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};
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if(options) $.extend(config, options);
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$.placeholderLabel.placeholder_class = config.placeholder_class;
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this.each(function() {
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var input = $(this);
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input.focus($.placeholderLabel.add_placeholder);
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input.blur($.placeholderLabel.remove_placeholder);
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input.triggerHandler('focus');
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input.triggerHandler('blur');
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$(this.form).submit($.placeholderLabel.disable_placeholder_fields);
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});
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return this;
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}
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})(jQuery);
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