[frio] Add friendica-tagsinput library based on bootstrap-tagsinput

This commit is contained in:
Hypolite Petovan 2019-07-14 21:44:48 -04:00
parent 5d63f0a402
commit fe51c53798
4 changed files with 841 additions and 0 deletions

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The MIT License (MIT)
Copyright (c) 2013 Tim Schlechter
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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/*
* friendica-tagsinput v0.8.0
*
*/
.twitter-typeahead .tt-query,
.twitter-typeahead .tt-hint {
margin-bottom: 0;
}
.twitter-typeahead .tt-hint
{
display: none;
}
.tt-menu {
position: absolute;
top: 100%;
left: 0;
z-index: 1000;
display: none;
float: left;
min-width: 160px;
padding: 5px 0;
margin: 2px 0 0;
list-style: none;
font-size: 14px;
background-color: #ffffff;
border: 1px solid #cccccc;
border: 1px solid rgba(0, 0, 0, 0.15);
border-radius: 4px;
-webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
background-clip: padding-box;
cursor: pointer;
}
.tt-suggestion {
display: block;
padding: 3px 20px;
clear: both;
font-weight: normal;
line-height: 1.428571429;
color: #333333;
white-space: nowrap;
}
.tt-suggestion:hover,
.tt-suggestion:focus {
color: #ffffff;
text-decoration: none;
outline: 0;
background-color: #428bca;
}

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/*
* friendica-tagsinput v0.8.0
*
*/
.friendica-tagsinput {
background-color: #fff;
border: 1px solid #ccc;
box-shadow: inset 0 1px 1px rgba(0, 0, 0, 0.075);
display: inline-block;
padding: 4px 6px;
color: #555;
vertical-align: middle;
border-radius: 4px;
max-width: 100%;
line-height: 22px;
cursor: text;
height: auto;
}
.friendica-tagsinput.input-lg {
line-height: 27px;
}
.friendica-tagsinput input {
border: none;
box-shadow: none;
outline: none;
background-color: transparent;
padding: 0 6px;
margin: 0;
width: auto;
max-width: inherit;
}
.friendica-tagsinput.form-control input::-moz-placeholder {
color: #777;
opacity: 1;
}
.friendica-tagsinput.form-control input:-ms-input-placeholder {
color: #777;
}
.friendica-tagsinput.form-control input::-webkit-input-placeholder {
color: #777;
}
.friendica-tagsinput input:focus {
border: none;
box-shadow: none;
}
.friendica-tagsinput .tag {
margin: 0 2px 2px 0;
color: white;
font-weight: normal;
}
.friendica-tagsinput .tag img {
width: auto;
height: 1.5em;
vertical-align: text-top;
margin-right: 8px;
}
.friendica-tagsinput .tag [data-role="remove"] {
margin-left: 8px;
cursor: pointer;
}
.friendica-tagsinput .tag [data-role="remove"]:after {
content: "x";
padding: 0px 2px;
font-weight: bold;
}
.friendica-tagsinput .tag [data-role="remove"]:hover {
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
}
.friendica-tagsinput .tag [data-role="remove"]:hover:active {
box-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
}

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/*
* friendica-tagsinput v0.8.0
* Based on bootstrap-tagsinput v0.8.0
*
* Adds:
* - optional thumbnail
* - copying source input element class to the pseudo-input element
*
*/
(function ($) {
"use strict";
var defaultOptions = {
tagClass: function(item) {
return 'label label-info';
},
focusClass: 'focus',
itemValue: function(item) {
return item ? item.toString() : item;
},
itemText: function(item) {
return this.itemValue(item);
},
itemTitle: function(item) {
return null;
},
itemThumb: function(item) {
return null;
},
freeInput: true,
addOnBlur: true,
maxTags: undefined,
maxChars: undefined,
confirmKeys: [13, 44],
delimiter: ',',
delimiterRegex: null,
cancelConfirmKeysOnEmpty: false,
onTagExists: function(item, $tag) {
$tag.hide().fadeIn();
},
trimValue: false,
allowDuplicates: false,
triggerChange: true
};
/**
* Constructor function
*/
function TagsInput(element, options) {
this.isInit = true;
this.itemsArray = [];
this.$element = $(element);
this.$element.hide();
this.isSelect = (element.tagName === 'SELECT');
this.multiple = (this.isSelect && element.hasAttribute('multiple'));
this.objectItems = options && options.itemValue;
this.placeholderText = element.hasAttribute('placeholder') ? this.$element.attr('placeholder') : '';
this.inputSize = Math.max(1, this.placeholderText.length);
this.$container = $('<div class="friendica-tagsinput"></div>');
this.$container.addClass(this.$element.attr('class'));
this.$input = $('<input type="text" placeholder="' + this.placeholderText + '"/>').appendTo(this.$container);
this.$element.before(this.$container);
this.build(options);
this.isInit = false;
}
TagsInput.prototype = {
constructor: TagsInput,
/**
* Adds the given item as a new tag. Pass true to dontPushVal to prevent
* updating the elements val()
*/
add: function(item, dontPushVal, options) {
let self = this;
if (self.options.maxTags && self.itemsArray.length >= self.options.maxTags)
return;
// Ignore falsey values, except false
if (item !== false && !item)
return;
// Trim value
if (typeof item === "string" && self.options.trimValue) {
item = $.trim(item);
}
// Throw an error when trying to add an object while the itemValue option was not set
if (typeof item === "object" && !self.objectItems)
throw("Can't add objects when itemValue option is not set");
// Ignore strings only containg whitespace
if (item.toString().match(/^\s*$/))
return;
// If SELECT but not multiple, remove current tag
if (self.isSelect && !self.multiple && self.itemsArray.length > 0)
self.remove(self.itemsArray[0]);
if (typeof item === "string" && this.$element[0].tagName === 'INPUT') {
var delimiter = (self.options.delimiterRegex) ? self.options.delimiterRegex : self.options.delimiter;
var items = item.split(delimiter);
if (items.length > 1) {
for (var i = 0; i < items.length; i++) {
this.add(items[i], true);
}
if (!dontPushVal)
self.pushVal(self.options.triggerChange);
return;
}
}
var itemValue = self.options.itemValue(item),
itemText = self.options.itemText(item),
tagClass = self.options.tagClass(item),
itemTitle = self.options.itemTitle(item),
itemThumb = self.options.itemThumb(item);
// Ignore items allready added
var existing = $.grep(self.itemsArray, function(item) { return self.options.itemValue(item) === itemValue; } )[0];
if (existing && !self.options.allowDuplicates) {
// Invoke onTagExists
if (self.options.onTagExists) {
var $existingTag = $(".tag", self.$container).filter(function() { return $(this).data("item") === existing; });
self.options.onTagExists(item, $existingTag);
}
return;
}
// if length greater than limit
if (self.items().toString().length + item.length + 1 > self.options.maxInputLength)
return;
// raise beforeItemAdd arg
var beforeItemAddEvent = $.Event('beforeItemAdd', { item: item, cancel: false, options: options});
self.$element.trigger(beforeItemAddEvent);
if (beforeItemAddEvent.cancel)
return;
// register item in internal array and map
self.itemsArray.push(item);
// add a tag element
var $tag = $('<span class="tag ' + htmlEncode(tagClass) + (itemTitle !== null ? ('" title="' + itemTitle) : '') + '">' +
(itemThumb !== null ? '<img src="' + itemThumb + '" alt="">' : '') +
htmlEncode(itemText) + '<span data-role="remove"></span>' +
'</span>');
$tag.data('item', item);
self.findInputWrapper().before($tag);
$tag.after(' ');
// Check to see if the tag exists in its raw or uri-encoded form
var optionExists = (
$('option[value="' + encodeURIComponent(itemValue) + '"]', self.$element).length ||
$('option[value="' + htmlEncode(itemValue) + '"]', self.$element).length
);
// add <option /> if item represents a value not present in one of the <select />'s options
if (self.isSelect && !optionExists) {
var $option = $('<option selected>' + htmlEncode(itemText) + '</option>');
$option.data('item', item);
$option.attr('value', itemValue);
self.$element.append($option);
}
if (!dontPushVal)
self.pushVal(self.options.triggerChange);
// Add class when reached maxTags
if (self.options.maxTags === self.itemsArray.length || self.items().toString().length === self.options.maxInputLength)
self.$container.addClass('friendica-tagsinput-max');
// If using typeahead, once the tag has been added, clear the typeahead value so it does not stick around in the input.
if ($('.typeahead, .twitter-typeahead', self.$container).length) {
self.$input.typeahead('val', '');
}
if (this.isInit) {
self.$element.trigger($.Event('itemAddedOnInit', { item: item, options: options }));
} else {
self.$element.trigger($.Event('itemAdded', { item: item, options: options }));
}
},
/**
* Removes the given item. Pass true to dontPushVal to prevent updating the
* elements val()
*/
remove: function(item, dontPushVal, options) {
var self = this;
if (self.objectItems) {
if (typeof item === "object")
item = $.grep(self.itemsArray, function(other) { return self.options.itemValue(other) == self.options.itemValue(item); } );
else
item = $.grep(self.itemsArray, function(other) { return self.options.itemValue(other) == item; } );
item = item[item.length-1];
}
if (item) {
var beforeItemRemoveEvent = $.Event('beforeItemRemove', { item: item, cancel: false, options: options });
self.$element.trigger(beforeItemRemoveEvent);
if (beforeItemRemoveEvent.cancel)
return;
$('.tag', self.$container).filter(function() { return $(this).data('item') === item; }).remove();
$('option', self.$element).filter(function() { return $(this).data('item') === item; }).remove();
if($.inArray(item, self.itemsArray) !== -1)
self.itemsArray.splice($.inArray(item, self.itemsArray), 1);
}
if (!dontPushVal)
self.pushVal(self.options.triggerChange);
// Remove class when reached maxTags
if (self.options.maxTags > self.itemsArray.length)
self.$container.removeClass('friendica-tagsinput-max');
self.$element.trigger($.Event('itemRemoved', { item: item, options: options }));
},
/**
* Removes all items
*/
removeAll: function() {
var self = this;
$('.tag', self.$container).remove();
$('option', self.$element).remove();
while(self.itemsArray.length > 0)
self.itemsArray.pop();
self.pushVal(self.options.triggerChange);
},
/**
* Refreshes the tags so they match the text/value of their corresponding
* item.
*/
refresh: function() {
var self = this;
$('.tag', self.$container).each(function() {
var $tag = $(this),
item = $tag.data('item'),
itemValue = self.options.itemValue(item),
itemText = self.options.itemText(item),
tagClass = self.options.tagClass(item);
// Update tag's class and inner text
$tag.attr('class', null);
$tag.addClass('tag ' + htmlEncode(tagClass));
$tag.contents().filter(function() {
return this.nodeType == 3;
})[0].nodeValue = htmlEncode(itemText);
if (self.isSelect) {
var option = $('option', self.$element).filter(function() { return $(this).data('item') === item; });
option.attr('value', itemValue);
}
});
},
/**
* Returns the items added as tags
*/
items: function() {
return this.itemsArray;
},
/**
* Assembly value by retrieving the value of each item, and set it on the
* element.
*/
pushVal: function() {
var self = this,
val = $.map(self.items(), function(item) {
return self.options.itemValue(item).toString();
});
self.$element.val(val, true);
if (self.options.triggerChange)
self.$element.trigger('change');
},
/**
* Initializes the tags input behaviour on the element
*/
build: function(options) {
var self = this;
self.options = $.extend({}, defaultOptions, options);
// When itemValue is set, freeInput should always be false
if (self.objectItems)
self.options.freeInput = false;
makeOptionItemFunction(self.options, 'itemValue');
makeOptionItemFunction(self.options, 'itemText');
makeOptionItemFunction(self.options, 'itemThumb');
makeOptionFunction(self.options, 'tagClass');
// Typeahead Bootstrap version 2.3.2
if (self.options.typeahead) {
var typeahead = self.options.typeahead || {};
makeOptionFunction(typeahead, 'source');
self.$input.typeahead($.extend({}, typeahead, {
source: function (query, process) {
function processItems(items) {
var texts = [];
for (var i = 0; i < items.length; i++) {
var text = self.options.itemText(items[i]);
map[text] = items[i];
texts.push(text);
}
process(texts);
}
this.map = {};
var map = this.map,
data = typeahead.source(query);
if ($.isFunction(data.success)) {
// support for Angular callbacks
data.success(processItems);
} else if ($.isFunction(data.then)) {
// support for Angular promises
data.then(processItems);
} else {
// support for functions and jquery promises
$.when(data)
.then(processItems);
}
},
updater: function (text) {
self.add(this.map[text]);
return this.map[text];
},
matcher: function (text) {
return (text.toLowerCase().indexOf(this.query.trim().toLowerCase()) !== -1);
},
sorter: function (texts) {
return texts.sort();
},
highlighter: function (text) {
var regex = new RegExp( '(' + this.query + ')', 'gi' );
return text.replace( regex, "<strong>$1</strong>" );
}
}));
}
// typeahead.js
if (self.options.typeaheadjs) {
var typeaheadConfig = null;
var typeaheadDatasets = {};
// Determine if main configurations were passed or simply a dataset
var typeaheadjs = self.options.typeaheadjs;
if ($.isArray(typeaheadjs)) {
typeaheadConfig = typeaheadjs[0];
typeaheadDatasets = typeaheadjs[1];
} else {
typeaheadDatasets = typeaheadjs;
}
self.$input.typeahead(typeaheadConfig, typeaheadDatasets).on('typeahead:selected', $.proxy(function (obj, datum) {
if (typeaheadDatasets.valueKey)
self.add(datum[typeaheadDatasets.valueKey]);
else
self.add(datum);
self.$input.typeahead('val', '');
}, self));
}
self.$container.on('click', $.proxy(function(event) {
if (! self.$element.attr('disabled')) {
self.$input.removeAttr('disabled');
}
self.$input.focus();
}, self));
if (self.options.addOnBlur && self.options.freeInput) {
self.$input.on('focusout', $.proxy(function(event) {
// HACK: only process on focusout when no typeahead opened, to
// avoid adding the typeahead text as tag
if ($('.typeahead, .twitter-typeahead', self.$container).length === 0) {
self.add(self.$input.val());
self.$input.val('');
}
}, self));
}
// Toggle the 'focus' css class on the container when it has focus
self.$container.on({
focusin: function() {
self.$container.addClass(self.options.focusClass);
},
focusout: function() {
self.$container.removeClass(self.options.focusClass);
},
});
self.$container.on('keydown', 'input', $.proxy(function(event) {
var $input = $(event.target),
$inputWrapper = self.findInputWrapper();
if (self.$element.attr('disabled')) {
self.$input.attr('disabled', 'disabled');
return;
}
switch (event.which) {
// BACKSPACE
case 8:
if (doGetCaretPosition($input[0]) === 0) {
var prev = $inputWrapper.prev();
if (prev.length) {
self.remove(prev.data('item'));
}
}
break;
// DELETE
case 46:
if (doGetCaretPosition($input[0]) === 0) {
var next = $inputWrapper.next();
if (next.length) {
self.remove(next.data('item'));
}
}
break;
// LEFT ARROW
case 37:
// Try to move the input before the previous tag
var $prevTag = $inputWrapper.prev();
if ($input.val().length === 0 && $prevTag[0]) {
$prevTag.before($inputWrapper);
$input.focus();
}
break;
// RIGHT ARROW
case 39:
// Try to move the input after the next tag
var $nextTag = $inputWrapper.next();
if ($input.val().length === 0 && $nextTag[0]) {
$nextTag.after($inputWrapper);
$input.focus();
}
break;
default:
// ignore
}
// Reset internal input's size
var textLength = $input.val().length,
wordSpace = Math.ceil(textLength / 5),
size = textLength + wordSpace + 1;
$input.attr('size', Math.max(this.inputSize, $input.val().length));
}, self));
self.$container.on('keypress', 'input', $.proxy(function(event) {
var $input = $(event.target);
if (self.$element.attr('disabled')) {
self.$input.attr('disabled', 'disabled');
return;
}
var text = $input.val(),
maxLengthReached = self.options.maxChars && text.length >= self.options.maxChars;
if (self.options.freeInput && (keyCombinationInList(event, self.options.confirmKeys) || maxLengthReached)) {
// Only attempt to add a tag if there is data in the field
if (text.length !== 0) {
self.add(maxLengthReached ? text.substr(0, self.options.maxChars) : text);
$input.val('');
}
// If the field is empty, let the event triggered fire as usual
if (self.options.cancelConfirmKeysOnEmpty === false) {
event.preventDefault();
}
}
// Reset internal input's size
var textLength = $input.val().length,
wordSpace = Math.ceil(textLength / 5),
size = textLength + wordSpace + 1;
$input.attr('size', Math.max(this.inputSize, $input.val().length));
}, self));
// Remove icon clicked
self.$container.on('click', '[data-role=remove]', $.proxy(function(event) {
if (self.$element.attr('disabled')) {
return;
}
self.remove($(event.target).closest('.tag').data('item'));
}, self));
// Only add existing value as tags when using strings as tags
if (self.options.itemValue === defaultOptions.itemValue) {
if (self.$element[0].tagName === 'INPUT') {
self.add(self.$element.val());
} else {
$('option', self.$element).each(function() {
self.add($(this).attr('value'), true);
});
}
}
},
/**
* Removes all tagsinput behaviour and unregsiter all event handlers
*/
destroy: function() {
var self = this;
// Unbind events
self.$container.off('keypress', 'input');
self.$container.off('click', '[role=remove]');
self.$container.remove();
self.$element.removeData('tagsinput');
self.$element.show();
},
/**
* Sets focus on the tagsinput
*/
focus: function() {
this.$input.focus();
},
/**
* Returns the internal input element
*/
input: function() {
return this.$input;
},
/**
* Returns the element which is wrapped around the internal input. This
* is normally the $container, but typeahead.js moves the $input element.
*/
findInputWrapper: function() {
var elt = this.$input[0],
container = this.$container[0];
while(elt && elt.parentNode !== container)
elt = elt.parentNode;
return $(elt);
}
};
/**
* Register JQuery plugin
*/
$.fn.tagsinput = function(arg1, arg2, arg3) {
var results = [];
this.each(function() {
var tagsinput = $(this).data('tagsinput');
// Initialize a new tags input
if (!tagsinput) {
tagsinput = new TagsInput(this, arg1);
$(this).data('tagsinput', tagsinput);
results.push(tagsinput);
if (this.tagName === 'SELECT') {
$('option', $(this)).attr('selected', 'selected');
}
// Init tags from $(this).val()
$(this).val($(this).val());
} else if (!arg1 && !arg2) {
// tagsinput already exists
// no function, trying to init
results.push(tagsinput);
} else if(tagsinput[arg1] !== undefined) {
// Invoke function on existing tags input
if(tagsinput[arg1].length === 3 && arg3 !== undefined){
var retVal = tagsinput[arg1](arg2, null, arg3);
}else{
var retVal = tagsinput[arg1](arg2);
}
if (retVal !== undefined)
results.push(retVal);
}
});
if ( typeof arg1 == 'string') {
// Return the results from the invoked function calls
return results.length > 1 ? results : results[0];
} else {
return results;
}
};
$.fn.tagsinput.Constructor = TagsInput;
/**
* Most options support both a string or number as well as a function as
* option value. This function makes sure that the option with the given
* key in the given options is wrapped in a function
*/
function makeOptionItemFunction(options, key) {
if (typeof options[key] !== 'function') {
var propertyName = options[key];
options[key] = function(item) { return item[propertyName]; };
}
}
function makeOptionFunction(options, key) {
if (typeof options[key] !== 'function') {
var value = options[key];
options[key] = function() { return value; };
}
}
/**
* HtmlEncodes the given value
*/
var htmlEncodeContainer = $('<div />');
function htmlEncode(value) {
if (value) {
return htmlEncodeContainer.text(value).html();
} else {
return '';
}
}
/**
* Returns the position of the caret in the given input field
* http://flightschool.acylt.com/devnotes/caret-position-woes/
*/
function doGetCaretPosition(oField) {
var iCaretPos = 0;
if (document.selection) {
oField.focus ();
var oSel = document.selection.createRange();
oSel.moveStart ('character', -oField.value.length);
iCaretPos = oSel.text.length;
} else if (oField.selectionStart || oField.selectionStart == '0') {
iCaretPos = oField.selectionStart;
}
return (iCaretPos);
}
/**
* Returns boolean indicates whether user has pressed an expected key combination.
* @param object keyPressEvent: JavaScript event object, refer
* http://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
* @param object lookupList: expected key combinations, as in:
* [13, {which: 188, shiftKey: true}]
*/
function keyCombinationInList(keyPressEvent, lookupList) {
var found = false;
$.each(lookupList, function (index, keyCombination) {
if (typeof (keyCombination) === 'number' && keyPressEvent.which === keyCombination) {
found = true;
return false;
}
if (keyPressEvent.which === keyCombination.which) {
var alt = !keyCombination.hasOwnProperty('altKey') || keyPressEvent.altKey === keyCombination.altKey,
shift = !keyCombination.hasOwnProperty('shiftKey') || keyPressEvent.shiftKey === keyCombination.shiftKey,
ctrl = !keyCombination.hasOwnProperty('ctrlKey') || keyPressEvent.ctrlKey === keyCombination.ctrlKey;
if (alt && shift && ctrl) {
found = true;
return false;
}
}
});
return found;
}
/**
* Initialize tagsinput behaviour on inputs and selects which have
* data-role=tagsinput
*/
$(function() {
$("input[data-role=tagsinput], select[multiple][data-role=tagsinput]").tagsinput();
});
})(window.jQuery);