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[weblabels.fsf.org.git] / crm.fsf.org / 20131203 / files / sites / all / modules-old / civicrm / packages / jquery / plugins / jquery.chainedSelects.js

/**\r
*    Chained Selects for jQuery \r
*    Copyright (C) 2008 Ziadin Givan www.CodeAssembly.com  \r
*\r
*    This program is free software: you can redistribute it and/or modify\r
*    it under the terms of the GNU General Public License as published by\r
*    the Free Software Foundation, either version 3 of the License, or\r
*    (at your option) any later version.\r
*\r
*    This program is distributed in the hope that it will be useful,\r
*    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
*    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
*    GNU General Public License for more details.\r
*\r
*    You should have received a copy of the GNU General Public License\r
*    along with this program.  If not, see http://www.gnu.org/licenses/\r
*\r
*    \r
*   settings = { usePost : true, before:function() {}, after: function() {}, default: null, parameters : { parameter1 : 'value1', parameter2 : 'value2'} }	\r
*   if usePost is true, then the form will use POST to pass the parameters to the target, otherwise will use GET\r
*   "before" function is called before the ajax request and "after" function is called after the ajax request.\r
*   If defaultValue is not null then the specified option will be selected.\r
*   You can specify additional parameters to be sent to the the server in settings.parameters.\r
*\r
*/\r
;(function($) {\r
    \r
jQuery.fn.chainSelect = function( target, url, settings ) \r
{\r
  return this.each( function()\r
  {\r
	$(this).change( function( ) \r
	{\r
		settings = $.extend(\r
		{\r
			after : null,\r
			before : null,\r
			usePost : false,\r
			defaultValue : null,\r
			parameters : {'_id' : $(this).attr('id'), '_name' : $(this).attr('name')}\r
        } , settings);\r
\r
		settings.parameters._value =  $(this).val();\r
\r
		if (settings.before != null) \r
		{\r
			settings.before( target );\r
		}\r
\r
		ajaxCallback = function(data, textStatus) \r
		{\r
			$(target).html("");//clear old options\r
			data = eval(data);//get json array\r
                        if ( data != null ) {\r
			    for (i = 0; i < data.length; i++) {\r
				$(target).get(0).add(new Option(data[i].name, data[i].value), document.all ? i : null);\r
			    }\r
			} else {\r
				$(target).get(0).add(new Option('- select a country -', ''), document.all ? i : null);\r
			}\r
\r
			if (settings.defaultValue != null)\r
			{\r
				$(target).val(settings.defaultValue);//select default value\r
			} else\r
			{\r
				$("option:first", target).attr( "selected", "selected" );//select first option\r
			}\r
\r
			if (settings.after != null) \r
			{\r
				settings.after(target);\r
			}\r
\r
			$(target).change();//call next chain\r
		};\r
\r
		if (settings.usePost == true)\r
		{\r
			$.post( url, settings.parameters, ajaxCallback );\r
		} else\r
		{\r
			$.get( url, settings.parameters, ajaxCallback );\r
		}\r
	});\r
  });\r
};\r
\r
})(jQuery);\r