1044 lines
35 KiB
JavaScript
1044 lines
35 KiB
JavaScript
|
/*
|
||
|
|
* jQuery Plugin: Tokenizing Autocomplete Text Entry
|
||
|
|
* Version 1.6.1
|
||
|
|
*
|
||
|
|
* Copyright (c) 2009 James Smith (http://loopj.com)
|
||
|
|
* Licensed jointly under the GPL and MIT licenses,
|
||
|
|
* choose which one suits your project best!
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
(function ($) {
|
||
|
|
// Default settings
|
||
|
|
var DEFAULT_SETTINGS = {
|
||
|
|
// Search settings
|
||
|
|
method: "GET",
|
||
|
|
queryParam: "q",
|
||
|
|
searchDelay: 300,
|
||
|
|
minChars: 1,
|
||
|
|
propertyToSearch: "name",
|
||
|
|
jsonContainer: null,
|
||
|
|
contentType: "json",
|
||
|
|
|
||
|
|
// Prepopulation settings
|
||
|
|
prePopulate: null,
|
||
|
|
processPrePopulate: false,
|
||
|
|
|
||
|
|
// Display settings
|
||
|
|
hintText: "Type in a search term",
|
||
|
|
noResultsText: "No results",
|
||
|
|
searchingText: "Searching...",
|
||
|
|
deleteText: "×",
|
||
|
|
animateDropdown: true,
|
||
|
|
placeholder: null,
|
||
|
|
theme: null,
|
||
|
|
zindex: 999,
|
||
|
|
resultsLimit: null,
|
||
|
|
|
||
|
|
enableHTML: false,
|
||
|
|
|
||
|
|
resultsFormatter: function(item) {
|
||
|
|
var string = item[this.propertyToSearch];
|
||
|
|
return "<li>" + (this.enableHTML ? string : _escapeHTML(string)) + "</li>";
|
||
|
|
},
|
||
|
|
|
||
|
|
tokenFormatter: function(item) {
|
||
|
|
var string = item[this.propertyToSearch];
|
||
|
|
return "<li><p>" + (this.enableHTML ? string : _escapeHTML(string)) + "</p></li>";
|
||
|
|
},
|
||
|
|
|
||
|
|
// Tokenization settings
|
||
|
|
tokenLimit: null,
|
||
|
|
tokenDelimiter: ",",
|
||
|
|
preventDuplicates: false,
|
||
|
|
tokenValue: "id",
|
||
|
|
|
||
|
|
// Behavioral settings
|
||
|
|
allowFreeTagging: false,
|
||
|
|
allowTabOut: false,
|
||
|
|
|
||
|
|
// Callbacks
|
||
|
|
onResult: null,
|
||
|
|
onCachedResult: null,
|
||
|
|
onAdd: null,
|
||
|
|
onFreeTaggingAdd: null,
|
||
|
|
onDelete: null,
|
||
|
|
onReady: null,
|
||
|
|
|
||
|
|
// Other settings
|
||
|
|
idPrefix: "token-input-",
|
||
|
|
|
||
|
|
// Keep track if the input is currently in disabled mode
|
||
|
|
disabled: false
|
||
|
|
};
|
||
|
|
|
||
|
|
// Default classes to use when theming
|
||
|
|
var DEFAULT_CLASSES = {
|
||
|
|
tokenList: "token-input-list",
|
||
|
|
token: "token-input-token",
|
||
|
|
tokenReadOnly: "token-input-token-readonly",
|
||
|
|
tokenDelete: "token-input-delete-token",
|
||
|
|
selectedToken: "token-input-selected-token",
|
||
|
|
highlightedToken: "token-input-highlighted-token",
|
||
|
|
dropdown: "token-input-dropdown",
|
||
|
|
dropdownItem: "token-input-dropdown-item",
|
||
|
|
dropdownItem2: "token-input-dropdown-item2",
|
||
|
|
selectedDropdownItem: "token-input-selected-dropdown-item",
|
||
|
|
inputToken: "token-input-input-token",
|
||
|
|
focused: "token-input-focused",
|
||
|
|
disabled: "token-input-disabled"
|
||
|
|
};
|
||
|
|
|
||
|
|
// Input box position "enum"
|
||
|
|
var POSITION = {
|
||
|
|
BEFORE: 0,
|
||
|
|
AFTER: 1,
|
||
|
|
END: 2
|
||
|
|
};
|
||
|
|
|
||
|
|
// Keys "enum"
|
||
|
|
var KEY = {
|
||
|
|
BACKSPACE: 8,
|
||
|
|
TAB: 9,
|
||
|
|
ENTER: 13,
|
||
|
|
ESCAPE: 27,
|
||
|
|
SPACE: 32,
|
||
|
|
PAGE_UP: 33,
|
||
|
|
PAGE_DOWN: 34,
|
||
|
|
END: 35,
|
||
|
|
HOME: 36,
|
||
|
|
LEFT: 37,
|
||
|
|
UP: 38,
|
||
|
|
RIGHT: 39,
|
||
|
|
DOWN: 40,
|
||
|
|
NUMPAD_ENTER: 108,
|
||
|
|
COMMA: 188
|
||
|
|
};
|
||
|
|
|
||
|
|
var HTML_ESCAPES = {
|
||
|
|
'&': '&',
|
||
|
|
'<': '<',
|
||
|
|
'>': '>',
|
||
|
|
'"': '"',
|
||
|
|
"'": ''',
|
||
|
|
'/': '/'
|
||
|
|
};
|
||
|
|
|
||
|
|
var HTML_ESCAPE_CHARS = /[&<>"'\/]/g;
|
||
|
|
|
||
|
|
function coerceToString(val) {
|
||
|
|
return String((val === null || val === undefined) ? '' : val);
|
||
|
|
}
|
||
|
|
|
||
|
|
function _escapeHTML(text) {
|
||
|
|
return coerceToString(text).replace(HTML_ESCAPE_CHARS, function(match) {
|
||
|
|
return HTML_ESCAPES[match];
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Additional public (exposed) methods
|
||
|
|
var methods = {
|
||
|
|
init: function(url_or_data_or_function, options) {
|
||
|
|
var settings = $.extend({}, DEFAULT_SETTINGS, options || {});
|
||
|
|
|
||
|
|
return this.each(function () {
|
||
|
|
$(this).data("settings", settings);
|
||
|
|
$(this).data("tokenInputObject", new $.TokenList(this, url_or_data_or_function, settings));
|
||
|
|
});
|
||
|
|
},
|
||
|
|
clear: function() {
|
||
|
|
this.data("tokenInputObject").clear();
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
add: function(item) {
|
||
|
|
this.data("tokenInputObject").add(item);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
remove: function(item) {
|
||
|
|
this.data("tokenInputObject").remove(item);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
get: function() {
|
||
|
|
return this.data("tokenInputObject").getTokens();
|
||
|
|
},
|
||
|
|
toggleDisabled: function(disable) {
|
||
|
|
this.data("tokenInputObject").toggleDisabled(disable);
|
||
|
|
return this;
|
||
|
|
},
|
||
|
|
setOptions: function(options){
|
||
|
|
$(this).data("settings", $.extend({}, $(this).data("settings"), options || {}));
|
||
|
|
return this;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Expose the .tokenInput function to jQuery as a plugin
|
||
|
|
$.fn.tokenInput = function (method) {
|
||
|
|
// Method calling and initialization logic
|
||
|
|
if(methods[method]) {
|
||
|
|
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
|
||
|
|
} else {
|
||
|
|
return methods.init.apply(this, arguments);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// TokenList class for each input
|
||
|
|
$.TokenList = function (input, url_or_data, settings) {
|
||
|
|
//
|
||
|
|
// Initialization
|
||
|
|
//
|
||
|
|
|
||
|
|
// Configure the data source
|
||
|
|
if($.type(url_or_data) === "string" || $.type(url_or_data) === "function") {
|
||
|
|
// Set the url to query against
|
||
|
|
$(input).data("settings").url = url_or_data;
|
||
|
|
|
||
|
|
// If the URL is a function, evaluate it here to do our initalization work
|
||
|
|
var url = computeURL();
|
||
|
|
|
||
|
|
// Make a smart guess about cross-domain if it wasn't explicitly specified
|
||
|
|
if($(input).data("settings").crossDomain === undefined && typeof url === "string") {
|
||
|
|
if(url.indexOf("://") === -1) {
|
||
|
|
$(input).data("settings").crossDomain = false;
|
||
|
|
} else {
|
||
|
|
$(input).data("settings").crossDomain = (location.href.split(/\/+/g)[1] !== url.split(/\/+/g)[1]);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
} else if(typeof(url_or_data) === "object") {
|
||
|
|
// Set the local data to search through
|
||
|
|
$(input).data("settings").local_data = url_or_data;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Build class names
|
||
|
|
if($(input).data("settings").classes) {
|
||
|
|
// Use custom class names
|
||
|
|
$(input).data("settings").classes = $.extend({}, DEFAULT_CLASSES, $(input).data("settings").classes);
|
||
|
|
} else if($(input).data("settings").theme) {
|
||
|
|
// Use theme-suffixed default class names
|
||
|
|
$(input).data("settings").classes = {};
|
||
|
|
$.each(DEFAULT_CLASSES, function(key, value) {
|
||
|
|
$(input).data("settings").classes[key] = value + "-" + $(input).data("settings").theme;
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
$(input).data("settings").classes = DEFAULT_CLASSES;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// Save the tokens
|
||
|
|
var saved_tokens = [];
|
||
|
|
|
||
|
|
// Keep track of the number of tokens in the list
|
||
|
|
var token_count = 0;
|
||
|
|
|
||
|
|
// Basic cache to save on db hits
|
||
|
|
var cache = new $.TokenList.Cache();
|
||
|
|
|
||
|
|
// Keep track of the timeout, old vals
|
||
|
|
var timeout;
|
||
|
|
var input_val;
|
||
|
|
|
||
|
|
// Create a new text input an attach keyup events
|
||
|
|
var input_box = $("<input type=\"text\" autocomplete=\"off\" autocapitalize=\"off\">")
|
||
|
|
.css({
|
||
|
|
outline: "none"
|
||
|
|
})
|
||
|
|
.attr("id", $(input).data("settings").idPrefix + input.id)
|
||
|
|
.focus(function () {
|
||
|
|
if ($(input).data("settings").disabled) {
|
||
|
|
return false;
|
||
|
|
} else
|
||
|
|
if ($(input).data("settings").tokenLimit === null || $(input).data("settings").tokenLimit !== token_count) {
|
||
|
|
show_dropdown_hint();
|
||
|
|
}
|
||
|
|
token_list.addClass($(input).data("settings").classes.focused);
|
||
|
|
})
|
||
|
|
.blur(function () {
|
||
|
|
hide_dropdown();
|
||
|
|
|
||
|
|
if ($(input).data("settings").allowFreeTagging) {
|
||
|
|
add_freetagging_tokens();
|
||
|
|
}
|
||
|
|
|
||
|
|
$(this).val("");
|
||
|
|
token_list.removeClass($(input).data("settings").classes.focused);
|
||
|
|
})
|
||
|
|
.bind("keyup keydown blur update", resize_input)
|
||
|
|
.keydown(function (event) {
|
||
|
|
var previous_token;
|
||
|
|
var next_token;
|
||
|
|
|
||
|
|
switch(event.keyCode) {
|
||
|
|
case KEY.LEFT:
|
||
|
|
case KEY.RIGHT:
|
||
|
|
case KEY.UP:
|
||
|
|
case KEY.DOWN:
|
||
|
|
if(!$(this).val()) {
|
||
|
|
previous_token = input_token.prev();
|
||
|
|
next_token = input_token.next();
|
||
|
|
|
||
|
|
if((previous_token.length && previous_token.get(0) === selected_token) || (next_token.length && next_token.get(0) === selected_token)) {
|
||
|
|
// Check if there is a previous/next token and it is selected
|
||
|
|
if(event.keyCode === KEY.LEFT || event.keyCode === KEY.UP) {
|
||
|
|
deselect_token($(selected_token), POSITION.BEFORE);
|
||
|
|
} else {
|
||
|
|
deselect_token($(selected_token), POSITION.AFTER);
|
||
|
|
}
|
||
|
|
} else if((event.keyCode === KEY.LEFT || event.keyCode === KEY.UP) && previous_token.length) {
|
||
|
|
// We are moving left, select the previous token if it exists
|
||
|
|
select_token($(previous_token.get(0)));
|
||
|
|
} else if((event.keyCode === KEY.RIGHT || event.keyCode === KEY.DOWN) && next_token.length) {
|
||
|
|
// We are moving right, select the next token if it exists
|
||
|
|
select_token($(next_token.get(0)));
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
var dropdown_item = null;
|
||
|
|
|
||
|
|
if(event.keyCode === KEY.DOWN || event.keyCode === KEY.RIGHT) {
|
||
|
|
dropdown_item = $(selected_dropdown_item).next();
|
||
|
|
} else {
|
||
|
|
dropdown_item = $(selected_dropdown_item).prev();
|
||
|
|
}
|
||
|
|
|
||
|
|
if(dropdown_item.length) {
|
||
|
|
select_dropdown_item(dropdown_item);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
break;
|
||
|
|
|
||
|
|
case KEY.BACKSPACE:
|
||
|
|
previous_token = input_token.prev();
|
||
|
|
|
||
|
|
if(!$(this).val().length) {
|
||
|
|
if(selected_token) {
|
||
|
|
delete_token($(selected_token));
|
||
|
|
hidden_input.change();
|
||
|
|
} else if(previous_token.length) {
|
||
|
|
select_token($(previous_token.get(0)));
|
||
|
|
}
|
||
|
|
|
||
|
|
return false;
|
||
|
|
} else if($(this).val().length === 1) {
|
||
|
|
hide_dropdown();
|
||
|
|
} else {
|
||
|
|
// set a timeout just long enough to let this function finish.
|
||
|
|
setTimeout(function(){do_search();}, 5);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case KEY.TAB:
|
||
|
|
case KEY.ENTER:
|
||
|
|
case KEY.NUMPAD_ENTER:
|
||
|
|
case KEY.COMMA:
|
||
|
|
if(selected_dropdown_item) {
|
||
|
|
add_token($(selected_dropdown_item).data("tokeninput"));
|
||
|
|
hidden_input.change();
|
||
|
|
} else {
|
||
|
|
if ($(input).data("settings").allowFreeTagging) {
|
||
|
|
if($(input).data("settings").allowTabOut && $(this).val() === "") {
|
||
|
|
return true;
|
||
|
|
} else {
|
||
|
|
add_freetagging_tokens();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
$(this).val("");
|
||
|
|
if($(input).data("settings").allowTabOut) {
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
event.stopPropagation();
|
||
|
|
event.preventDefault();
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
|
||
|
|
case KEY.ESCAPE:
|
||
|
|
hide_dropdown();
|
||
|
|
return true;
|
||
|
|
|
||
|
|
default:
|
||
|
|
if(String.fromCharCode(event.which)) {
|
||
|
|
// set a timeout just long enough to let this function finish.
|
||
|
|
setTimeout(function(){do_search();}, 5);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
// Keep reference for placeholder
|
||
|
|
if (settings.placeholder)
|
||
|
|
input_box.attr("placeholder", settings.placeholder)
|
||
|
|
|
||
|
|
// Keep a reference to the original input box
|
||
|
|
var hidden_input = $(input)
|
||
|
|
.hide()
|
||
|
|
.val("")
|
||
|
|
.focus(function () {
|
||
|
|
focus_with_timeout(input_box);
|
||
|
|
})
|
||
|
|
.blur(function () {
|
||
|
|
input_box.blur();
|
||
|
|
});
|
||
|
|
|
||
|
|
// Keep a reference to the selected token and dropdown item
|
||
|
|
var selected_token = null;
|
||
|
|
var selected_token_index = 0;
|
||
|
|
var selected_dropdown_item = null;
|
||
|
|
|
||
|
|
// The list to store the token items in
|
||
|
|
var token_list = $("<ul />")
|
||
|
|
.addClass($(input).data("settings").classes.tokenList)
|
||
|
|
.click(function (event) {
|
||
|
|
var li = $(event.target).closest("li");
|
||
|
|
if(li && li.get(0) && $.data(li.get(0), "tokeninput")) {
|
||
|
|
toggle_select_token(li);
|
||
|
|
} else {
|
||
|
|
// Deselect selected token
|
||
|
|
if(selected_token) {
|
||
|
|
deselect_token($(selected_token), POSITION.END);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Focus input box
|
||
|
|
focus_with_timeout(input_box);
|
||
|
|
}
|
||
|
|
})
|
||
|
|
.mouseover(function (event) {
|
||
|
|
var li = $(event.target).closest("li");
|
||
|
|
if(li && selected_token !== this) {
|
||
|
|
li.addClass($(input).data("settings").classes.highlightedToken);
|
||
|
|
}
|
||
|
|
})
|
||
|
|
.mouseout(function (event) {
|
||
|
|
var li = $(event.target).closest("li");
|
||
|
|
if(li && selected_token !== this) {
|
||
|
|
li.removeClass($(input).data("settings").classes.highlightedToken);
|
||
|
|
}
|
||
|
|
})
|
||
|
|
.insertBefore(hidden_input);
|
||
|
|
|
||
|
|
// The token holding the input box
|
||
|
|
var input_token = $("<li />")
|
||
|
|
.addClass($(input).data("settings").classes.inputToken)
|
||
|
|
.appendTo(token_list)
|
||
|
|
.append(input_box);
|
||
|
|
|
||
|
|
// The list to store the dropdown items in
|
||
|
|
var dropdown = $("<div>")
|
||
|
|
.addClass($(input).data("settings").classes.dropdown)
|
||
|
|
.appendTo("body")
|
||
|
|
.hide();
|
||
|
|
|
||
|
|
// Magic element to help us resize the text input
|
||
|
|
var input_resizer = $("<tester/>")
|
||
|
|
.insertAfter(input_box)
|
||
|
|
.css({
|
||
|
|
position: "absolute",
|
||
|
|
top: -9999,
|
||
|
|
left: -9999,
|
||
|
|
width: "auto",
|
||
|
|
fontSize: input_box.css("fontSize"),
|
||
|
|
fontFamily: input_box.css("fontFamily"),
|
||
|
|
fontWeight: input_box.css("fontWeight"),
|
||
|
|
letterSpacing: input_box.css("letterSpacing"),
|
||
|
|
whiteSpace: "nowrap"
|
||
|
|
});
|
||
|
|
|
||
|
|
// Pre-populate list if items exist
|
||
|
|
hidden_input.val("");
|
||
|
|
var li_data = $(input).data("settings").prePopulate || hidden_input.data("pre");
|
||
|
|
if($(input).data("settings").processPrePopulate && $.isFunction($(input).data("settings").onResult)) {
|
||
|
|
li_data = $(input).data("settings").onResult.call(hidden_input, li_data);
|
||
|
|
}
|
||
|
|
if(li_data && li_data.length) {
|
||
|
|
$.each(li_data, function (index, value) {
|
||
|
|
insert_token(value);
|
||
|
|
checkTokenLimit();
|
||
|
|
input_box.attr("placeholder", null)
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Check if widget should initialize as disabled
|
||
|
|
if ($(input).data("settings").disabled) {
|
||
|
|
toggleDisabled(true);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Initialization is done
|
||
|
|
if($.isFunction($(input).data("settings").onReady)) {
|
||
|
|
$(input).data("settings").onReady.call();
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// Public functions
|
||
|
|
//
|
||
|
|
|
||
|
|
this.clear = function() {
|
||
|
|
token_list.children("li").each(function() {
|
||
|
|
if ($(this).children("input").length === 0) {
|
||
|
|
delete_token($(this));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
this.add = function(item) {
|
||
|
|
add_token(item);
|
||
|
|
};
|
||
|
|
|
||
|
|
this.remove = function(item) {
|
||
|
|
token_list.children("li").each(function() {
|
||
|
|
if ($(this).children("input").length === 0) {
|
||
|
|
var currToken = $(this).data("tokeninput");
|
||
|
|
var match = true;
|
||
|
|
for (var prop in item) {
|
||
|
|
if (item[prop] !== currToken[prop]) {
|
||
|
|
match = false;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (match) {
|
||
|
|
delete_token($(this));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
});
|
||
|
|
};
|
||
|
|
|
||
|
|
this.getTokens = function() {
|
||
|
|
return saved_tokens;
|
||
|
|
};
|
||
|
|
|
||
|
|
this.toggleDisabled = function(disable) {
|
||
|
|
toggleDisabled(disable);
|
||
|
|
};
|
||
|
|
|
||
|
|
// Resize input to maximum width so the placeholder can be seen
|
||
|
|
resize_input();
|
||
|
|
|
||
|
|
//
|
||
|
|
// Private functions
|
||
|
|
//
|
||
|
|
|
||
|
|
function escapeHTML(text) {
|
||
|
|
return $(input).data("settings").enableHTML ? text : _escapeHTML(text);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Toggles the widget between enabled and disabled state, or according
|
||
|
|
// to the [disable] parameter.
|
||
|
|
function toggleDisabled(disable) {
|
||
|
|
if (typeof disable === 'boolean') {
|
||
|
|
$(input).data("settings").disabled = disable
|
||
|
|
} else {
|
||
|
|
$(input).data("settings").disabled = !$(input).data("settings").disabled;
|
||
|
|
}
|
||
|
|
input_box.attr('disabled', $(input).data("settings").disabled);
|
||
|
|
token_list.toggleClass($(input).data("settings").classes.disabled, $(input).data("settings").disabled);
|
||
|
|
// if there is any token selected we deselect it
|
||
|
|
if(selected_token) {
|
||
|
|
deselect_token($(selected_token), POSITION.END);
|
||
|
|
}
|
||
|
|
hidden_input.attr('disabled', $(input).data("settings").disabled);
|
||
|
|
}
|
||
|
|
|
||
|
|
function checkTokenLimit() {
|
||
|
|
if($(input).data("settings").tokenLimit !== null && token_count >= $(input).data("settings").tokenLimit) {
|
||
|
|
input_box.hide();
|
||
|
|
hide_dropdown();
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function resize_input() {
|
||
|
|
if(input_val === (input_val = input_box.val())) {return;}
|
||
|
|
|
||
|
|
// Get width left on the current line
|
||
|
|
var width_left = token_list.width() - input_box.offset().left - token_list.offset().left;
|
||
|
|
// Enter new content into resizer and resize input accordingly
|
||
|
|
input_resizer.html(_escapeHTML(input_val));
|
||
|
|
// Get maximum width, minimum the size of input and maximum the widget's width
|
||
|
|
input_box.width(Math.min(token_list.width(),
|
||
|
|
Math.max(width_left, input_resizer.width() + 30)));
|
||
|
|
}
|
||
|
|
|
||
|
|
function is_printable_character(keycode) {
|
||
|
|
return ((keycode >= 48 && keycode <= 90) || // 0-1a-z
|
||
|
|
(keycode >= 96 && keycode <= 111) || // numpad 0-9 + - / * .
|
||
|
|
(keycode >= 186 && keycode <= 192) || // ; = , - . / ^
|
||
|
|
(keycode >= 219 && keycode <= 222)); // ( \ ) '
|
||
|
|
}
|
||
|
|
|
||
|
|
function add_freetagging_tokens() {
|
||
|
|
var value = $.trim(input_box.val());
|
||
|
|
var tokens = value.split($(input).data("settings").tokenDelimiter);
|
||
|
|
$.each(tokens, function(i, token) {
|
||
|
|
if (!token) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($.isFunction($(input).data("settings").onFreeTaggingAdd)) {
|
||
|
|
token = $(input).data("settings").onFreeTaggingAdd.call(hidden_input, token);
|
||
|
|
}
|
||
|
|
var object = {};
|
||
|
|
object[$(input).data("settings").tokenValue] = object[$(input).data("settings").propertyToSearch] = token;
|
||
|
|
add_token(object);
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Inner function to a token to the list
|
||
|
|
function insert_token(item) {
|
||
|
|
var $this_token = $($(input).data("settings").tokenFormatter(item));
|
||
|
|
var readonly = item.readonly === true ? true : false;
|
||
|
|
|
||
|
|
if(readonly) $this_token.addClass($(input).data("settings").classes.tokenReadOnly);
|
||
|
|
|
||
|
|
$this_token.addClass($(input).data("settings").classes.token).insertBefore(input_token);
|
||
|
|
|
||
|
|
// The 'delete token' button
|
||
|
|
if(!readonly) {
|
||
|
|
$("<span>" + $(input).data("settings").deleteText + "</span>")
|
||
|
|
.addClass($(input).data("settings").classes.tokenDelete)
|
||
|
|
.appendTo($this_token)
|
||
|
|
.click(function () {
|
||
|
|
if (!$(input).data("settings").disabled) {
|
||
|
|
delete_token($(this).parent());
|
||
|
|
hidden_input.change();
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
|
||
|
|
// Store data on the token
|
||
|
|
var token_data = item;
|
||
|
|
$.data($this_token.get(0), "tokeninput", item);
|
||
|
|
|
||
|
|
// Save this token for duplicate checking
|
||
|
|
saved_tokens = saved_tokens.slice(0,selected_token_index).concat([token_data]).concat(saved_tokens.slice(selected_token_index));
|
||
|
|
selected_token_index++;
|
||
|
|
|
||
|
|
// Update the hidden input
|
||
|
|
update_hidden_input(saved_tokens, hidden_input);
|
||
|
|
|
||
|
|
token_count += 1;
|
||
|
|
|
||
|
|
// Check the token limit
|
||
|
|
if($(input).data("settings").tokenLimit !== null && token_count >= $(input).data("settings").tokenLimit) {
|
||
|
|
input_box.hide();
|
||
|
|
hide_dropdown();
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this_token;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Add a token to the token list based on user input
|
||
|
|
function add_token (item) {
|
||
|
|
var callback = $(input).data("settings").onAdd;
|
||
|
|
|
||
|
|
// See if the token already exists and select it if we don't want duplicates
|
||
|
|
if(token_count > 0 && $(input).data("settings").preventDuplicates) {
|
||
|
|
var found_existing_token = null;
|
||
|
|
token_list.children().each(function () {
|
||
|
|
var existing_token = $(this);
|
||
|
|
var existing_data = $.data(existing_token.get(0), "tokeninput");
|
||
|
|
if(existing_data && existing_data[settings.tokenValue] === item[settings.tokenValue]) {
|
||
|
|
found_existing_token = existing_token;
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
if(found_existing_token) {
|
||
|
|
select_token(found_existing_token);
|
||
|
|
input_token.insertAfter(found_existing_token);
|
||
|
|
focus_with_timeout(input_box);
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Squeeze input_box so we force no unnecessary line break
|
||
|
|
input_box.width(0);
|
||
|
|
|
||
|
|
// Insert the new tokens
|
||
|
|
if($(input).data("settings").tokenLimit == null || token_count < $(input).data("settings").tokenLimit) {
|
||
|
|
insert_token(item);
|
||
|
|
// Remove the placeholder so it's not seen after you've added a token
|
||
|
|
input_box.attr("placeholder", null)
|
||
|
|
checkTokenLimit();
|
||
|
|
}
|
||
|
|
|
||
|
|
// Clear input box
|
||
|
|
input_box.val("");
|
||
|
|
|
||
|
|
// Don't show the help dropdown, they've got the idea
|
||
|
|
hide_dropdown();
|
||
|
|
|
||
|
|
// Execute the onAdd callback if defined
|
||
|
|
if($.isFunction(callback)) {
|
||
|
|
callback.call(hidden_input,item);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Select a token in the token list
|
||
|
|
function select_token (token) {
|
||
|
|
if (!$(input).data("settings").disabled) {
|
||
|
|
token.addClass($(input).data("settings").classes.selectedToken);
|
||
|
|
selected_token = token.get(0);
|
||
|
|
|
||
|
|
// Hide input box
|
||
|
|
input_box.val("");
|
||
|
|
|
||
|
|
// Hide dropdown if it is visible (eg if we clicked to select token)
|
||
|
|
hide_dropdown();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Deselect a token in the token list
|
||
|
|
function deselect_token (token, position) {
|
||
|
|
token.removeClass($(input).data("settings").classes.selectedToken);
|
||
|
|
selected_token = null;
|
||
|
|
|
||
|
|
if(position === POSITION.BEFORE) {
|
||
|
|
input_token.insertBefore(token);
|
||
|
|
selected_token_index--;
|
||
|
|
} else if(position === POSITION.AFTER) {
|
||
|
|
input_token.insertAfter(token);
|
||
|
|
selected_token_index++;
|
||
|
|
} else {
|
||
|
|
input_token.appendTo(token_list);
|
||
|
|
selected_token_index = token_count;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Show the input box and give it focus again
|
||
|
|
focus_with_timeout(input_box);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Toggle selection of a token in the token list
|
||
|
|
function toggle_select_token(token) {
|
||
|
|
var previous_selected_token = selected_token;
|
||
|
|
|
||
|
|
if(selected_token) {
|
||
|
|
deselect_token($(selected_token), POSITION.END);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(previous_selected_token === token.get(0)) {
|
||
|
|
deselect_token(token, POSITION.END);
|
||
|
|
} else {
|
||
|
|
select_token(token);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Delete a token from the token list
|
||
|
|
function delete_token (token) {
|
||
|
|
// Remove the id from the saved list
|
||
|
|
var token_data = $.data(token.get(0), "tokeninput");
|
||
|
|
var callback = $(input).data("settings").onDelete;
|
||
|
|
|
||
|
|
var index = token.prevAll().length;
|
||
|
|
if(index > selected_token_index) index--;
|
||
|
|
|
||
|
|
// Delete the token
|
||
|
|
token.remove();
|
||
|
|
selected_token = null;
|
||
|
|
|
||
|
|
// Show the input box and give it focus again
|
||
|
|
focus_with_timeout(input_box);
|
||
|
|
|
||
|
|
// Remove this token from the saved list
|
||
|
|
saved_tokens = saved_tokens.slice(0,index).concat(saved_tokens.slice(index+1));
|
||
|
|
if (saved_tokens.length == 0) {
|
||
|
|
input_box.attr("placeholder", settings.placeholder)
|
||
|
|
}
|
||
|
|
if(index < selected_token_index) selected_token_index--;
|
||
|
|
|
||
|
|
// Update the hidden input
|
||
|
|
update_hidden_input(saved_tokens, hidden_input);
|
||
|
|
|
||
|
|
token_count -= 1;
|
||
|
|
|
||
|
|
if($(input).data("settings").tokenLimit !== null) {
|
||
|
|
input_box
|
||
|
|
.show()
|
||
|
|
.val("");
|
||
|
|
focus_with_timeout(input_box);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Execute the onDelete callback if defined
|
||
|
|
if($.isFunction(callback)) {
|
||
|
|
callback.call(hidden_input,token_data);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Update the hidden input box value
|
||
|
|
function update_hidden_input(saved_tokens, hidden_input) {
|
||
|
|
var token_values = $.map(saved_tokens, function (el) {
|
||
|
|
if(typeof $(input).data("settings").tokenValue == 'function')
|
||
|
|
return $(input).data("settings").tokenValue.call(this, el);
|
||
|
|
|
||
|
|
return el[$(input).data("settings").tokenValue];
|
||
|
|
});
|
||
|
|
hidden_input.val(token_values.join($(input).data("settings").tokenDelimiter));
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
// Hide and clear the results dropdown
|
||
|
|
function hide_dropdown () {
|
||
|
|
dropdown.hide().empty();
|
||
|
|
selected_dropdown_item = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
function show_dropdown() {
|
||
|
|
dropdown
|
||
|
|
.css({
|
||
|
|
position: "absolute",
|
||
|
|
top: $(token_list).offset().top + $(token_list).height(),
|
||
|
|
left: $(token_list).offset().left,
|
||
|
|
width: $(token_list).width(),
|
||
|
|
'z-index': $(input).data("settings").zindex
|
||
|
|
})
|
||
|
|
.show();
|
||
|
|
}
|
||
|
|
|
||
|
|
function show_dropdown_searching () {
|
||
|
|
if($(input).data("settings").searchingText) {
|
||
|
|
dropdown.html("<p>" + escapeHTML($(input).data("settings").searchingText) + "</p>");
|
||
|
|
show_dropdown();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function show_dropdown_hint () {
|
||
|
|
if($(input).data("settings").hintText) {
|
||
|
|
dropdown.html("<p>" + escapeHTML($(input).data("settings").hintText) + "</p>");
|
||
|
|
show_dropdown();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
var regexp_special_chars = new RegExp('[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]', 'g');
|
||
|
|
function regexp_escape(term) {
|
||
|
|
return term.replace(regexp_special_chars, '\\$&');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Highlight the query part of the search term
|
||
|
|
function highlight_term(value, term) {
|
||
|
|
return value.replace(
|
||
|
|
new RegExp(
|
||
|
|
"(?![^&;]+;)(?!<[^<>]*)(" + regexp_escape(term) + ")(?![^<>]*>)(?![^&;]+;)",
|
||
|
|
"gi"
|
||
|
|
), function(match, p1) {
|
||
|
|
return "<b>" + escapeHTML(p1) + "</b>";
|
||
|
|
}
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
function find_value_and_highlight_term(template, value, term) {
|
||
|
|
return template.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + regexp_escape(value) + ")(?![^<>]*>)(?![^&;]+;)", "g"), highlight_term(value, term));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Populate the results dropdown with some results
|
||
|
|
function populate_dropdown (query, results) {
|
||
|
|
if(results && results.length) {
|
||
|
|
dropdown.empty();
|
||
|
|
var dropdown_ul = $("<ul>")
|
||
|
|
.appendTo(dropdown)
|
||
|
|
.mouseover(function (event) {
|
||
|
|
select_dropdown_item($(event.target).closest("li"));
|
||
|
|
})
|
||
|
|
.mousedown(function (event) {
|
||
|
|
add_token($(event.target).closest("li").data("tokeninput"));
|
||
|
|
hidden_input.change();
|
||
|
|
return false;
|
||
|
|
})
|
||
|
|
.hide();
|
||
|
|
|
||
|
|
if ($(input).data("settings").resultsLimit && results.length > $(input).data("settings").resultsLimit) {
|
||
|
|
results = results.slice(0, $(input).data("settings").resultsLimit);
|
||
|
|
}
|
||
|
|
|
||
|
|
$.each(results, function(index, value) {
|
||
|
|
var this_li = $(input).data("settings").resultsFormatter(value);
|
||
|
|
|
||
|
|
this_li = find_value_and_highlight_term(this_li ,value[$(input).data("settings").propertyToSearch], query);
|
||
|
|
|
||
|
|
this_li = $(this_li).appendTo(dropdown_ul);
|
||
|
|
|
||
|
|
if(index % 2) {
|
||
|
|
this_li.addClass($(input).data("settings").classes.dropdownItem);
|
||
|
|
} else {
|
||
|
|
this_li.addClass($(input).data("settings").classes.dropdownItem2);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(index === 0) {
|
||
|
|
select_dropdown_item(this_li);
|
||
|
|
}
|
||
|
|
|
||
|
|
$.data(this_li.get(0), "tokeninput", value);
|
||
|
|
});
|
||
|
|
|
||
|
|
show_dropdown();
|
||
|
|
|
||
|
|
if($(input).data("settings").animateDropdown) {
|
||
|
|
dropdown_ul.slideDown("fast");
|
||
|
|
} else {
|
||
|
|
dropdown_ul.show();
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
if($(input).data("settings").noResultsText) {
|
||
|
|
dropdown.html("<p>" + escapeHTML($(input).data("settings").noResultsText) + "</p>");
|
||
|
|
show_dropdown();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Highlight an item in the results dropdown
|
||
|
|
function select_dropdown_item (item) {
|
||
|
|
if(item) {
|
||
|
|
if(selected_dropdown_item) {
|
||
|
|
deselect_dropdown_item($(selected_dropdown_item));
|
||
|
|
}
|
||
|
|
|
||
|
|
item.addClass($(input).data("settings").classes.selectedDropdownItem);
|
||
|
|
selected_dropdown_item = item.get(0);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Remove highlighting from an item in the results dropdown
|
||
|
|
function deselect_dropdown_item (item) {
|
||
|
|
item.removeClass($(input).data("settings").classes.selectedDropdownItem);
|
||
|
|
selected_dropdown_item = null;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Do a search and show the "searching" dropdown if the input is longer
|
||
|
|
// than $(input).data("settings").minChars
|
||
|
|
function do_search() {
|
||
|
|
var query = input_box.val();
|
||
|
|
|
||
|
|
if(query && query.length) {
|
||
|
|
if(selected_token) {
|
||
|
|
deselect_token($(selected_token), POSITION.AFTER);
|
||
|
|
}
|
||
|
|
|
||
|
|
if(query.length >= $(input).data("settings").minChars) {
|
||
|
|
show_dropdown_searching();
|
||
|
|
clearTimeout(timeout);
|
||
|
|
|
||
|
|
timeout = setTimeout(function(){
|
||
|
|
run_search(query);
|
||
|
|
}, $(input).data("settings").searchDelay);
|
||
|
|
} else {
|
||
|
|
hide_dropdown();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Do the actual search
|
||
|
|
function run_search(query) {
|
||
|
|
var cache_key = query + computeURL();
|
||
|
|
var cached_results = cache.get(cache_key);
|
||
|
|
if(cached_results) {
|
||
|
|
if ($.isFunction($(input).data("settings").onCachedResult)) {
|
||
|
|
cached_results = $(input).data("settings").onCachedResult.call(hidden_input, cached_results);
|
||
|
|
}
|
||
|
|
populate_dropdown(query, cached_results);
|
||
|
|
} else {
|
||
|
|
// Are we doing an ajax search or local data search?
|
||
|
|
if($(input).data("settings").url) {
|
||
|
|
var url = computeURL();
|
||
|
|
// Extract exisiting get params
|
||
|
|
var ajax_params = {};
|
||
|
|
ajax_params.data = {};
|
||
|
|
if(url.indexOf("?") > -1) {
|
||
|
|
var parts = url.split("?");
|
||
|
|
ajax_params.url = parts[0];
|
||
|
|
|
||
|
|
var param_array = parts[1].split("&");
|
||
|
|
$.each(param_array, function (index, value) {
|
||
|
|
var kv = value.split("=");
|
||
|
|
ajax_params.data[kv[0]] = kv[1];
|
||
|
|
});
|
||
|
|
} else {
|
||
|
|
ajax_params.url = url;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Prepare the request
|
||
|
|
ajax_params.data[$(input).data("settings").queryParam] = query;
|
||
|
|
ajax_params.type = $(input).data("settings").method;
|
||
|
|
ajax_params.dataType = $(input).data("settings").contentType;
|
||
|
|
if($(input).data("settings").crossDomain) {
|
||
|
|
ajax_params.dataType = "jsonp";
|
||
|
|
}
|
||
|
|
|
||
|
|
// Attach the success callback
|
||
|
|
ajax_params.success = function(results) {
|
||
|
|
cache.add(cache_key, $(input).data("settings").jsonContainer ? results[$(input).data("settings").jsonContainer] : results);
|
||
|
|
if($.isFunction($(input).data("settings").onResult)) {
|
||
|
|
results = $(input).data("settings").onResult.call(hidden_input, results);
|
||
|
|
}
|
||
|
|
|
||
|
|
// only populate the dropdown if the results are associated with the active search query
|
||
|
|
if(input_box.val() === query) {
|
||
|
|
populate_dropdown(query, $(input).data("settings").jsonContainer ? results[$(input).data("settings").jsonContainer] : results);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Make the request
|
||
|
|
$.ajax(ajax_params);
|
||
|
|
} else if($(input).data("settings").local_data) {
|
||
|
|
// Do the search through local data
|
||
|
|
var results = $.grep($(input).data("settings").local_data, function (row) {
|
||
|
|
return row[$(input).data("settings").propertyToSearch].toLowerCase().indexOf(query.toLowerCase()) > -1;
|
||
|
|
});
|
||
|
|
|
||
|
|
cache.add(cache_key, results);
|
||
|
|
if($.isFunction($(input).data("settings").onResult)) {
|
||
|
|
results = $(input).data("settings").onResult.call(hidden_input, results);
|
||
|
|
}
|
||
|
|
populate_dropdown(query, results);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// compute the dynamic URL
|
||
|
|
function computeURL() {
|
||
|
|
var url = $(input).data("settings").url;
|
||
|
|
if(typeof $(input).data("settings").url == 'function') {
|
||
|
|
url = $(input).data("settings").url.call($(input).data("settings"));
|
||
|
|
}
|
||
|
|
return url;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Bring browser focus to the specified object.
|
||
|
|
// Use of setTimeout is to get around an IE bug.
|
||
|
|
// (See, e.g., http://stackoverflow.com/questions/2600186/focus-doesnt-work-in-ie)
|
||
|
|
//
|
||
|
|
// obj: a jQuery object to focus()
|
||
|
|
function focus_with_timeout(obj) {
|
||
|
|
setTimeout(function() { obj.focus(); }, 50);
|
||
|
|
}
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
// Really basic cache for the results
|
||
|
|
$.TokenList.Cache = function (options) {
|
||
|
|
var settings = $.extend({
|
||
|
|
max_size: 500
|
||
|
|
}, options);
|
||
|
|
|
||
|
|
var data = {};
|
||
|
|
var size = 0;
|
||
|
|
|
||
|
|
var flush = function () {
|
||
|
|
data = {};
|
||
|
|
size = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
this.add = function (query, results) {
|
||
|
|
if(size > settings.max_size) {
|
||
|
|
flush();
|
||
|
|
}
|
||
|
|
|
||
|
|
if(!data[query]) {
|
||
|
|
size += 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
data[query] = results;
|
||
|
|
};
|
||
|
|
|
||
|
|
this.get = function (query) {
|
||
|
|
return data[query];
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}(jQuery));
|
||
|
|
|