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/**
* Json key/value autocomplete for jQuery
* Provides a transparent way to have key/value autocomplete
* Copyright (C) 2008 Ziadin Givan
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see http://www.gnu.org/licenses/
*
* Examples
*
* $("input#example").autocomplete("autocomplete.php");//using default parameters
*
* $("input#example").autocomplete("autocomplete.php",{minChars:3,timeout:3000,validSelection:false,parameters:{'myparam':'myvalue'},before : function(input,text) {},after : function(input,text) {}});
*
* minChars = Minimum characters the input must have for the ajax request to be made
* timeOut = Number of miliseconds passed after user entered text to make the ajax request
* validSelection = If set to true then will invalidate (set to empty) the value field if the text is not selected (or modified) from the list of items.
* parameters = Custom parameters to be passed
* after, before = a function that will be caled before/after the ajax request
*/
(function ($) {
$.fn.autocomplete = function(settings)
{
return this.each( function()//do it for each matched element
{
var textInput = $(this);
textInput.attr("name", textInput.attr("name") + "_text");
//create a new hidden input that will be used for holding the return value when posting the form, then swap names with the original input
var hiddenInput = $('<input type=hidden name="' + textInput.attr("name") + '"/>');
hiddenInput.val( textInput.val() );
textInput.after(hiddenInput);
var valueInput = $(this).next();
//create the ul that will hold the text and values
valueInput.after('<ul class="autocomplete"></ul>');
var list = valueInput.next();
var oldText = '';
var typingTimeout;
var size = 0;
var selected = -1;
settings = $.extend(//provide default settings
{
minChars : 1,
timeout: 1000,
after : null,
before : null,
validSelection : true,
url : this.dataset.url,
parameters : {'inputName' : valueInput.attr('name'), 'inputId' : textInput.attr('id')}
} , settings);
function getData(text)
{
window.clearInterval(typingTimeout);
if (text != oldText && (settings.minChars != null && text.length >= settings.minChars))
{
clear();
if (settings.before == "function")
{
settings.before(textInput,text);
}
textInput.addClass('autocomplete-loading');
settings.parameters.text = text;
$.getJSON(settings.url, settings.parameters, function(data)
{
var items = '';
if (data)
{
size = 0;
for ( key in data )//get key => value
{
items += '<li value="' + key + '">' + data[key].replace(new RegExp("(" + text + ")","i"),"<strong>$1</strong>") + '</li>';
size++;
}
list.css({/*top: textInput.offset().top + textInput.outerHeight(), left: textInput.offset().left,*/ width: Math.max(100, textInput.outerWidth())}).html(items);
//on mouse hover over elements set selected class and on click set the selected value and close list
list.show().children().
hover(function() { $(this).addClass("selected").siblings().removeClass("selected");}, function() { $(this).removeClass("selected") } ).
click(function () { value = $(this).attr('value'); text = $(this).text();valueInput.val( value ); textInput.val( text ); textInput.trigger("autocomplete.change", [ value, text ]);clear(); });
if (settings.after == "function")
{
settings.after(textInput,text);
}
}
textInput.removeClass('autocomplete-loading');
});
oldText = text;
}
}
function clear()
{
list.hide();
size = 0;
selected = -1;
}
textInput.keydown(function(e)
{
window.clearInterval(typingTimeout);
if(e.which == 27)//escape
{
clear();
} else if (e.which == 46 || e.which == 8)//delete and backspace
{
clear();
//invalidate previous selection
if (settings.validSelection) valueInput.val('');
}
else if(e.which == 13)//enter
{
if ( list.css("display") == "none")//if the list is not visible then make a new request, otherwise hide the list
{
getData(textInput.val());
} else
{
clear();
}
e.preventDefault();
return false;
}
else if(e.which == 40 || e.which == 9 || e.which == 38)//move up, down
{
switch(e.which)
{
case 40: //down
case 9:
selected = (selected >= size - 1) ? 0 : selected + 1; break;
case 38://up
selected = (selected < 0) ? size -1 : selected - 1; break;
default: break;
}
//set selected item and input values
textInput.val( list.children().removeClass('selected').eq(selected).addClass('selected').text() );
valueInput.val( list.children().eq(selected).attr('value') );
} else
{
//invalidate previous selection
if (settings.validSelection) valueInput.val('');
typingTimeout = window.setTimeout(function() { getData(textInput.val()) },settings.timeout);
}
});
});
};
$.autocompleteList = function(el, settings)
{
var autocomplete = $(el).autocomplete(settings);
var list = $('<div class="autocomplete-list card border-top-0"></div>');
var autocomplete_hidden = autocomplete.next();
var name = autocomplete_hidden.attr("name");
autocomplete_hidden.next().after(list);
var autocomplete_list_hidden = $('<input type=hidden name="' + name + '_list" value="' + autocomplete_hidden.val() + '"/>');
list.after(autocomplete_list_hidden);
function addItem(value, text)
{
list.append($('<div class=""><button type="button" class="remove-btn close text-muted" aria-label="Close"><div aria-hidden="true">&times;</div></button><span>' + text + '</span>\
<input name="list[]" value="' + value + '" type="hidden">\
</div>'));
autocomplete.val("");
};
function setList()
{
values = {};
$('input[name="list[]"]', list).each(function(i, el)
{
values[this.value] = $("span", this.parentNode).text();
});
autocomplete_list_hidden.val( JSON.stringify(values) );
};
function setValue(value) {
if (value == "" || value == undefined) return false;
// value = decodeURIComponent(value);
values = JSON.parse(value);
for (key in values)
{
addItem(key, values[key]);
}
setList();
};
autocomplete.on("autocomplete.change", function(event, value, text) {
var autolist = $(this).data("autocompleteList");
autolist.addItem(value, text);
autolist.setList();
autolist.trigger("autocompletelist.change", [ JSON.stringify(values) ]);
});
list.on("click", ".remove-btn", function (event, value, text)
{
this.parentNode.remove();
setList();
autocomplete.trigger("autocompletelist.change", [ JSON.stringify(values) ]);
event.preventDefault();
return false;
});
autocomplete.setValue = setValue;
autocomplete.addItem = addItem;
autocomplete.setList = setList;
$.data(el, "autocompleteList", autocomplete);
return autocomplete;
}
$.fn.autocompleteList = function(options)
{
return this.each( function()
{
$.autocompleteList(this, options);
});
};
$.tagsInput = function(el, settings)
{
var autocomplete = $(el).autocomplete(settings);
var list = autocomplete.parent();//$('<div class="form-control autocomplete-list" style="min-height: 100px;height: 100px; overflow: auto;"></div>');
var autocomplete_hidden = autocomplete.next();
var name = autocomplete_hidden.attr("name");
autocomplete_hidden.next();//.after(list);
var autocomplete_list_hidden = $('<input type=hidden name="' + name + '_list" value="' + autocomplete_hidden.val() + '"/>');
list.append(autocomplete_list_hidden);
function addItem(value, text)
{
autocomplete.before($('<div class="badge border m-1"><a href="#" class="btn-link"><i class="la la-close"></i></a> <span>' + text + '</span>\
<input name="list[]" value="' + value + '" type="hidden">\
</div>'));
autocomplete.val("");
};
function setList()
{
var values = {};
//console.log($('input[name="list[]"]', list).serialize());
$('input[name="list[]"]', list).each(function(i, el)
{
values[this.value] = $("span", this.parentNode).text();
});
//values = encodeURIComponent(JSON.stringify(values));
values = JSON.stringify(values);//.replace('"', '\"');
autocomplete_list_hidden.val( values );
return values;
};
function setValue(value) {
if (value == "" || value == undefined) return false;
values = JSON.parse(value);
for (key in values)
{
addItem(key, values[key]);
}
setList();
};
autocomplete.on("autocomplete.change", function(event, value, text) {
var autolist = $(this).data("tagsInput");
autolist.addItem(value, text);
var values = autolist.setList();
autolist.trigger("tagsinput.change", [ values ]);
});
list.on("click", ".remove-btn", function (event, value, text)
{
this.parentNode.remove();
var values = autolist.setList();
autocomplete.trigger("tagsinput.change", [ values ]);
event.preventDefault();
return false;
});
autocomplete.setValue = setValue;
autocomplete.addItem = addItem;
autocomplete.setList = setList;
$.data(el, "tagsInput", autocomplete);
return autocomplete;
}
$.fn.tagsInput = function(options)
{
return this.each( function()//do it for each matched element
{
$.tagsInput(this, options);
});
};
})(jQuery);