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hubzilla_ynh/sources/library/jquery-textcomplete/jquery.textcomplete.js
anmol26s 1a713317bc Updated Huzilla and addons to version 1.6
2016-05-17 22:35:14 +05:30

1401 lines
42 KiB
JavaScript
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(function (factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(['jquery'], factory);
} else if (typeof module === "object" && module.exports) {
var $ = require('jquery');
module.exports = factory($);
} else {
// Browser globals
factory(jQuery);
}
}(function (jQuery) {
/*!
* jQuery.textcomplete
*
* Repository: https://github.com/yuku-t/jquery-textcomplete
* License: MIT (https://github.com/yuku-t/jquery-textcomplete/blob/master/LICENSE)
* Author: Yuku Takahashi
*/
if (typeof jQuery === 'undefined') {
throw new Error('jQuery.textcomplete requires jQuery');
}
+function ($) {
'use strict';
var warn = function (message) {
if (console.warn) { console.warn(message); }
};
var id = 1;
$.fn.textcomplete = function (strategies, option) {
var args = Array.prototype.slice.call(arguments);
return this.each(function () {
var self = this;
var $this = $(this);
var completer = $this.data('textComplete');
if (!completer) {
option || (option = {});
option._oid = id++; // unique object id
completer = new $.fn.textcomplete.Completer(this, option);
$this.data('textComplete', completer);
}
if (typeof strategies === 'string') {
if (!completer) return;
args.shift()
completer[strategies].apply(completer, args);
if (strategies === 'destroy') {
$this.removeData('textComplete');
}
} else {
// For backward compatibility.
// TODO: Remove at v0.4
$.each(strategies, function (obj) {
$.each(['header', 'footer', 'placement', 'maxCount'], function (name) {
if (obj[name]) {
completer.option[name] = obj[name];
warn(name + 'as a strategy param is deprecated. Use option.');
delete obj[name];
}
});
});
completer.register($.fn.textcomplete.Strategy.parse(strategies, {
el: self,
$el: $this
}));
}
});
};
}(jQuery);
+function ($) {
'use strict';
// Exclusive execution control utility.
//
// func - The function to be locked. It is executed with a function named
// `free` as the first argument. Once it is called, additional
// execution are ignored until the free is invoked. Then the last
// ignored execution will be replayed immediately.
//
// Examples
//
// var lockedFunc = lock(function (free) {
// setTimeout(function { free(); }, 1000); // It will be free in 1 sec.
// console.log('Hello, world');
// });
// lockedFunc(); // => 'Hello, world'
// lockedFunc(); // none
// lockedFunc(); // none
// // 1 sec past then
// // => 'Hello, world'
// lockedFunc(); // => 'Hello, world'
// lockedFunc(); // none
//
// Returns a wrapped function.
var lock = function (func) {
var locked, queuedArgsToReplay;
return function () {
// Convert arguments into a real array.
var args = Array.prototype.slice.call(arguments);
if (locked) {
// Keep a copy of this argument list to replay later.
// OK to overwrite a previous value because we only replay
// the last one.
queuedArgsToReplay = args;
return;
}
locked = true;
var self = this;
args.unshift(function replayOrFree() {
if (queuedArgsToReplay) {
// Other request(s) arrived while we were locked.
// Now that the lock is becoming available, replay
// the latest such request, then call back here to
// unlock (or replay another request that arrived
// while this one was in flight).
var replayArgs = queuedArgsToReplay;
queuedArgsToReplay = undefined;
replayArgs.unshift(replayOrFree);
func.apply(self, replayArgs);
} else {
locked = false;
}
});
func.apply(this, args);
};
};
var isString = function (obj) {
return Object.prototype.toString.call(obj) === '[object String]';
};
var isFunction = function (obj) {
return Object.prototype.toString.call(obj) === '[object Function]';
};
var uniqueId = 0;
function Completer(element, option) {
this.$el = $(element);
this.id = 'textcomplete' + uniqueId++;
this.strategies = [];
this.views = [];
this.option = $.extend({}, Completer._getDefaults(), option);
if (!this.$el.is('input[type=text]') && !this.$el.is('input[type=search]') && !this.$el.is('textarea') && !element.isContentEditable && element.contentEditable != 'true') {
throw new Error('textcomplete must be called on a Textarea or a ContentEditable.');
}
if (element === document.activeElement) {
// element has already been focused. Initialize view objects immediately.
this.initialize()
} else {
// Initialize view objects lazily.
var self = this;
this.$el.one('focus.' + this.id, function () { self.initialize(); });
}
}
Completer._getDefaults = function () {
if (!Completer.DEFAULTS) {
Completer.DEFAULTS = {
appendTo: $('body'),
zIndex: '100'
};
}
return Completer.DEFAULTS;
}
$.extend(Completer.prototype, {
// Public properties
// -----------------
id: null,
option: null,
strategies: null,
adapter: null,
dropdown: null,
$el: null,
// Public methods
// --------------
initialize: function () {
var element = this.$el.get(0);
// Initialize view objects.
this.dropdown = new $.fn.textcomplete.Dropdown(element, this, this.option);
var Adapter, viewName;
if (this.option.adapter) {
Adapter = this.option.adapter;
} else {
if (this.$el.is('textarea') || this.$el.is('input[type=text]') || this.$el.is('input[type=search]')) {
viewName = typeof element.selectionEnd === 'number' ? 'Textarea' : 'IETextarea';
} else {
viewName = 'ContentEditable';
}
Adapter = $.fn.textcomplete[viewName];
}
this.adapter = new Adapter(element, this, this.option);
},
destroy: function () {
this.$el.off('.' + this.id);
if (this.adapter) {
this.adapter.destroy();
}
if (this.dropdown) {
this.dropdown.destroy();
}
this.$el = this.adapter = this.dropdown = null;
},
deactivate: function () {
if (this.dropdown) {
this.dropdown.deactivate();
}
},
// Invoke textcomplete.
trigger: function (text, skipUnchangedTerm) {
if (!this.dropdown) { this.initialize(); }
text != null || (text = this.adapter.getTextFromHeadToCaret());
var searchQuery = this._extractSearchQuery(text);
if (searchQuery.length) {
var term = searchQuery[1];
// Ignore shift-key, ctrl-key and so on.
if (skipUnchangedTerm && this._term === term && term !== "") { return; }
this._term = term;
this._search.apply(this, searchQuery);
} else {
this._term = null;
this.dropdown.deactivate();
}
},
fire: function (eventName) {
var args = Array.prototype.slice.call(arguments, 1);
this.$el.trigger(eventName, args);
return this;
},
register: function (strategies) {
Array.prototype.push.apply(this.strategies, strategies);
},
// Insert the value into adapter view. It is called when the dropdown is clicked
// or selected.
//
// value - The selected element of the array callbacked from search func.
// strategy - The Strategy object.
// e - Click or keydown event object.
select: function (value, strategy, e) {
this._term = null;
this.adapter.select(value, strategy, e);
this.fire('change').fire('textComplete:select', value, strategy);
this.adapter.focus();
},
// Private properties
// ------------------
_clearAtNext: true,
_term: null,
// Private methods
// ---------------
// Parse the given text and extract the first matching strategy.
//
// Returns an array including the strategy, the query term and the match
// object if the text matches an strategy; otherwise returns an empty array.
_extractSearchQuery: function (text) {
for (var i = 0; i < this.strategies.length; i++) {
var strategy = this.strategies[i];
var context = strategy.context(text);
if (context || context === '') {
var matchRegexp = isFunction(strategy.match) ? strategy.match(text) : strategy.match;
if (isString(context)) { text = context; }
var match = text.match(matchRegexp);
if (match) { return [strategy, match[strategy.index], match]; }
}
}
return []
},
// Call the search method of selected strategy..
_search: lock(function (free, strategy, term, match) {
var self = this;
strategy.search(term, function (data, stillSearching) {
if (!self.dropdown.shown) {
self.dropdown.activate();
}
if (self._clearAtNext) {
// The first callback in the current lock.
self.dropdown.clear();
self._clearAtNext = false;
}
self.dropdown.setPosition(self.adapter.getCaretPosition());
self.dropdown.render(self._zip(data, strategy, term));
if (!stillSearching) {
// The last callback in the current lock.
free();
self._clearAtNext = true; // Call dropdown.clear at the next time.
}
}, match);
}),
// Build a parameter for Dropdown#render.
//
// Examples
//
// this._zip(['a', 'b'], 's');
// //=> [{ value: 'a', strategy: 's' }, { value: 'b', strategy: 's' }]
_zip: function (data, strategy, term) {
return $.map(data, function (value) {
return { value: value, strategy: strategy, term: term };
});
}
});
$.fn.textcomplete.Completer = Completer;
}(jQuery);
+function ($) {
'use strict';
var $window = $(window);
var include = function (zippedData, datum) {
var i, elem;
var idProperty = datum.strategy.idProperty
for (i = 0; i < zippedData.length; i++) {
elem = zippedData[i];
if (elem.strategy !== datum.strategy) continue;
if (idProperty) {
if (elem.value[idProperty] === datum.value[idProperty]) return true;
} else {
if (elem.value === datum.value) return true;
}
}
return false;
};
var dropdownViews = {};
$(document).on('click', function (e) {
var id = e.originalEvent && e.originalEvent.keepTextCompleteDropdown;
$.each(dropdownViews, function (key, view) {
if (key !== id) { view.deactivate(); }
});
});
var commands = {
SKIP_DEFAULT: 0,
KEY_UP: 1,
KEY_DOWN: 2,
KEY_ENTER: 3,
KEY_PAGEUP: 4,
KEY_PAGEDOWN: 5,
KEY_ESCAPE: 6
};
// Dropdown view
// =============
// Construct Dropdown object.
//
// element - Textarea or contenteditable element.
function Dropdown(element, completer, option) {
this.$el = Dropdown.createElement(option);
this.completer = completer;
this.id = completer.id + 'dropdown';
this._data = []; // zipped data.
this.$inputEl = $(element);
this.option = option;
// Override setPosition method.
if (option.listPosition) { this.setPosition = option.listPosition; }
if (option.height) { this.$el.height(option.height); }
var self = this;
$.each(['maxCount', 'placement', 'footer', 'header', 'noResultsMessage', 'className'], function (_i, name) {
if (option[name] != null) { self[name] = option[name]; }
});
this._bindEvents(element);
dropdownViews[this.id] = this;
}
$.extend(Dropdown, {
// Class methods
// -------------
createElement: function (option) {
var $parent = option.appendTo;
if (!($parent instanceof $)) { $parent = $($parent); }
var $el = $('<ul></ul>')
.addClass('dropdown-menu textcomplete-dropdown')
.attr('id', 'textcomplete-dropdown-' + option._oid)
.css({
display: 'none',
left: 0,
position: 'absolute',
zIndex: option.zIndex
})
.appendTo($parent);
return $el;
}
});
$.extend(Dropdown.prototype, {
// Public properties
// -----------------
$el: null, // jQuery object of ul.dropdown-menu element.
$inputEl: null, // jQuery object of target textarea.
completer: null,
footer: null,
header: null,
id: null,
maxCount: 10,
placement: '',
shown: false,
data: [], // Shown zipped data.
className: '',
// Public methods
// --------------
destroy: function () {
// Don't remove $el because it may be shared by several textcompletes.
this.deactivate();
this.$el.off('.' + this.id);
this.$inputEl.off('.' + this.id);
this.clear();
this.$el.remove();
this.$el = this.$inputEl = this.completer = null;
delete dropdownViews[this.id]
},
render: function (zippedData) {
var contentsHtml = this._buildContents(zippedData);
var unzippedData = $.map(this.data, function (d) { return d.value; });
if (this.data.length) {
var strategy = zippedData[0].strategy;
if (strategy.id) {
this.$el.attr('data-strategy', strategy.id);
} else {
this.$el.removeAttr('data-strategy');
}
this._renderHeader(unzippedData);
this._renderFooter(unzippedData);
if (contentsHtml) {
this._renderContents(contentsHtml);
this._fitToBottom();
this._fitToRight();
this._activateIndexedItem();
}
this._setScroll();
} else if (this.noResultsMessage) {
this._renderNoResultsMessage(unzippedData);
} else if (this.shown) {
this.deactivate();
}
},
setPosition: function (pos) {
// Make the dropdown fixed if the input is also fixed
// This can't be done during init, as textcomplete may be used on multiple elements on the same page
// Because the same dropdown is reused behind the scenes, we need to recheck every time the dropdown is showed
var position = 'absolute';
// Check if input or one of its parents has positioning we need to care about
this.$inputEl.add(this.$inputEl.parents()).each(function() {
if($(this).css('position') === 'absolute') // The element has absolute positioning, so it's all OK
return false;
if($(this).css('position') === 'fixed') {
pos.top -= $window.scrollTop();
pos.left -= $window.scrollLeft();
position = 'fixed';
return false;
}
});
this.$el.css(this._applyPlacement(pos));
this.$el.css({ position: position }); // Update positioning
return this;
},
clear: function () {
this.$el.html('');
this.data = [];
this._index = 0;
this._$header = this._$footer = this._$noResultsMessage = null;
},
activate: function () {
if (!this.shown) {
this.clear();
this.$el.show();
if (this.className) { this.$el.addClass(this.className); }
this.completer.fire('textComplete:show');
this.shown = true;
}
return this;
},
deactivate: function () {
if (this.shown) {
this.$el.hide();
if (this.className) { this.$el.removeClass(this.className); }
this.completer.fire('textComplete:hide');
this.shown = false;
}
return this;
},
isUp: function (e) {
return e.keyCode === 38 || (e.ctrlKey && e.keyCode === 80); // UP, Ctrl-P
},
isDown: function (e) {
return e.keyCode === 40 || (e.ctrlKey && e.keyCode === 78); // DOWN, Ctrl-N
},
isEnter: function (e) {
var modifiers = e.ctrlKey || e.altKey || e.metaKey || e.shiftKey;
return !modifiers && (e.keyCode === 13 || e.keyCode === 9 || (this.option.completeOnSpace === true && e.keyCode === 32)) // ENTER, TAB
},
isPageup: function (e) {
return e.keyCode === 33; // PAGEUP
},
isPagedown: function (e) {
return e.keyCode === 34; // PAGEDOWN
},
isEscape: function (e) {
return e.keyCode === 27; // ESCAPE
},
// Private properties
// ------------------
_data: null, // Currently shown zipped data.
_index: null,
_$header: null,
_$noResultsMessage: null,
_$footer: null,
// Private methods
// ---------------
_bindEvents: function () {
this.$el.on('mousedown.' + this.id, '.textcomplete-item', $.proxy(this._onClick, this));
this.$el.on('touchstart.' + this.id, '.textcomplete-item', $.proxy(this._onClick, this));
this.$el.on('mouseover.' + this.id, '.textcomplete-item', $.proxy(this._onMouseover, this));
this.$inputEl.on('keydown.' + this.id, $.proxy(this._onKeydown, this));
},
_onClick: function (e) {
var $el = $(e.target);
e.preventDefault();
e.originalEvent.keepTextCompleteDropdown = this.id;
if (!$el.hasClass('textcomplete-item')) {
$el = $el.closest('.textcomplete-item');
}
var datum = this.data[parseInt($el.data('index'), 10)];
this.completer.select(datum.value, datum.strategy, e);
var self = this;
// Deactive at next tick to allow other event handlers to know whether
// the dropdown has been shown or not.
setTimeout(function () {
self.deactivate();
if (e.type === 'touchstart') {
self.$inputEl.focus();
}
}, 0);
},
// Activate hovered item.
_onMouseover: function (e) {
var $el = $(e.target);
e.preventDefault();
if (!$el.hasClass('textcomplete-item')) {
$el = $el.closest('.textcomplete-item');
}
this._index = parseInt($el.data('index'), 10);
this._activateIndexedItem();
},
_onKeydown: function (e) {
if (!this.shown) { return; }
var command;
if ($.isFunction(this.option.onKeydown)) {
command = this.option.onKeydown(e, commands);
}
if (command == null) {
command = this._defaultKeydown(e);
}
switch (command) {
case commands.KEY_UP:
e.preventDefault();
this._up();
break;
case commands.KEY_DOWN:
e.preventDefault();
this._down();
break;
case commands.KEY_ENTER:
e.preventDefault();
this._enter(e);
break;
case commands.KEY_PAGEUP:
e.preventDefault();
this._pageup();
break;
case commands.KEY_PAGEDOWN:
e.preventDefault();
this._pagedown();
break;
case commands.KEY_ESCAPE:
e.preventDefault();
this.deactivate();
break;
}
},
_defaultKeydown: function (e) {
if (this.isUp(e)) {
return commands.KEY_UP;
} else if (this.isDown(e)) {
return commands.KEY_DOWN;
} else if (this.isEnter(e)) {
return commands.KEY_ENTER;
} else if (this.isPageup(e)) {
return commands.KEY_PAGEUP;
} else if (this.isPagedown(e)) {
return commands.KEY_PAGEDOWN;
} else if (this.isEscape(e)) {
return commands.KEY_ESCAPE;
}
},
_up: function () {
if (this._index === 0) {
this._index = this.data.length - 1;
} else {
this._index -= 1;
}
this._activateIndexedItem();
this._setScroll();
},
_down: function () {
if (this._index === this.data.length - 1) {
this._index = 0;
} else {
this._index += 1;
}
this._activateIndexedItem();
this._setScroll();
},
_enter: function (e) {
var datum = this.data[parseInt(this._getActiveElement().data('index'), 10)];
this.completer.select(datum.value, datum.strategy, e);
this.deactivate();
},
_pageup: function () {
var target = 0;
var threshold = this._getActiveElement().position().top - this.$el.innerHeight();
this.$el.children().each(function (i) {
if ($(this).position().top + $(this).outerHeight() > threshold) {
target = i;
return false;
}
});
this._index = target;
this._activateIndexedItem();
this._setScroll();
},
_pagedown: function () {
var target = this.data.length - 1;
var threshold = this._getActiveElement().position().top + this.$el.innerHeight();
this.$el.children().each(function (i) {
if ($(this).position().top > threshold) {
target = i;
return false
}
});
this._index = target;
this._activateIndexedItem();
this._setScroll();
},
_activateIndexedItem: function () {
this.$el.find('.textcomplete-item.active').removeClass('active');
this._getActiveElement().addClass('active');
},
_getActiveElement: function () {
return this.$el.children('.textcomplete-item:nth(' + this._index + ')');
},
_setScroll: function () {
var $activeEl = this._getActiveElement();
var itemTop = $activeEl.position().top;
var itemHeight = $activeEl.outerHeight();
var visibleHeight = this.$el.innerHeight();
var visibleTop = this.$el.scrollTop();
if (this._index === 0 || this._index == this.data.length - 1 || itemTop < 0) {
this.$el.scrollTop(itemTop + visibleTop);
} else if (itemTop + itemHeight > visibleHeight) {
this.$el.scrollTop(itemTop + itemHeight + visibleTop - visibleHeight);
}
},
_buildContents: function (zippedData) {
var datum, i, index;
var html = '';
for (i = 0; i < zippedData.length; i++) {
if (this.data.length === this.maxCount) break;
datum = zippedData[i];
if (include(this.data, datum)) { continue; }
index = this.data.length;
this.data.push(datum);
html += '<li class="textcomplete-item" data-index="' + index + '"><a>';
html += datum.strategy.template(datum.value, datum.term);
html += '</a></li>';
}
return html;
},
_renderHeader: function (unzippedData) {
if (this.header) {
if (!this._$header) {
this._$header = $('<li class="textcomplete-header"></li>').prependTo(this.$el);
}
var html = $.isFunction(this.header) ? this.header(unzippedData) : this.header;
this._$header.html(html);
}
},
_renderFooter: function (unzippedData) {
if (this.footer) {
if (!this._$footer) {
this._$footer = $('<li class="textcomplete-footer"></li>').appendTo(this.$el);
}
var html = $.isFunction(this.footer) ? this.footer(unzippedData) : this.footer;
this._$footer.html(html);
}
},
_renderNoResultsMessage: function (unzippedData) {
if (this.noResultsMessage) {
if (!this._$noResultsMessage) {
this._$noResultsMessage = $('<li class="textcomplete-no-results-message"></li>').appendTo(this.$el);
}
var html = $.isFunction(this.noResultsMessage) ? this.noResultsMessage(unzippedData) : this.noResultsMessage;
this._$noResultsMessage.html(html);
}
},
_renderContents: function (html) {
if (this._$footer) {
this._$footer.before(html);
} else {
this.$el.append(html);
}
},
_fitToBottom: function() {
var windowScrollBottom = $window.scrollTop() + $window.height();
var height = this.$el.height();
if ((this.$el.position().top + height) > windowScrollBottom) {
this.$el.offset({top: windowScrollBottom - height});
}
},
_fitToRight: function() {
// We don't know how wide our content is until the browser positions us, and at that point it clips us
// to the document width so we don't know if we would have overrun it. As a heuristic to avoid that clipping
// (which makes our elements wrap onto the next line and corrupt the next item), if we're close to the right
// edge, move left. We don't know how far to move left, so just keep nudging a bit.
var tolerance = 30; // pixels. Make wider than vertical scrollbar because we might not be able to use that space.
var lastOffset = this.$el.offset().left, offset;
var width = this.$el.width();
var maxLeft = $window.width() - tolerance;
while (lastOffset + width > maxLeft) {
this.$el.offset({left: lastOffset - tolerance});
offset = this.$el.offset().left;
if (offset >= lastOffset) { break; }
lastOffset = offset;
}
},
_applyPlacement: function (position) {
// If the 'placement' option set to 'top', move the position above the element.
if (this.placement.indexOf('top') !== -1) {
// Overwrite the position object to set the 'bottom' property instead of the top.
position = {
top: 'auto',
bottom: this.$el.parent().height() - position.top + position.lineHeight,
left: position.left
};
} else {
position.bottom = 'auto';
delete position.lineHeight;
}
if (this.placement.indexOf('absleft') !== -1) {
position.left = 0;
} else if (this.placement.indexOf('absright') !== -1) {
position.right = 0;
position.left = 'auto';
}
return position;
}
});
$.fn.textcomplete.Dropdown = Dropdown;
$.extend($.fn.textcomplete, commands);
}(jQuery);
+function ($) {
'use strict';
// Memoize a search function.
var memoize = function (func) {
var memo = {};
return function (term, callback) {
if (memo[term]) {
callback(memo[term]);
} else {
func.call(this, term, function (data) {
memo[term] = (memo[term] || []).concat(data);
callback.apply(null, arguments);
});
}
};
};
function Strategy(options) {
$.extend(this, options);
if (this.cache) { this.search = memoize(this.search); }
}
Strategy.parse = function (strategiesArray, params) {
return $.map(strategiesArray, function (strategy) {
var strategyObj = new Strategy(strategy);
strategyObj.el = params.el;
strategyObj.$el = params.$el;
return strategyObj;
});
};
$.extend(Strategy.prototype, {
// Public properties
// -----------------
// Required
match: null,
replace: null,
search: null,
// Optional
id: null,
cache: false,
context: function () { return true; },
index: 2,
template: function (obj) { return obj; },
idProperty: null
});
$.fn.textcomplete.Strategy = Strategy;
}(jQuery);
+function ($) {
'use strict';
var now = Date.now || function () { return new Date().getTime(); };
// Returns a function, that, as long as it continues to be invoked, will not
// be triggered. The function will be called after it stops being called for
// `wait` msec.
//
// This utility function was originally implemented at Underscore.js.
var debounce = function (func, wait) {
var timeout, args, context, timestamp, result;
var later = function () {
var last = now() - timestamp;
if (last < wait) {
timeout = setTimeout(later, wait - last);
} else {
timeout = null;
result = func.apply(context, args);
context = args = null;
}
};
return function () {
context = this;
args = arguments;
timestamp = now();
if (!timeout) {
timeout = setTimeout(later, wait);
}
return result;
};
};
function Adapter () {}
$.extend(Adapter.prototype, {
// Public properties
// -----------------
id: null, // Identity.
completer: null, // Completer object which creates it.
el: null, // Textarea element.
$el: null, // jQuery object of the textarea.
option: null,
// Public methods
// --------------
initialize: function (element, completer, option) {
this.el = element;
this.$el = $(element);
this.id = completer.id + this.constructor.name;
this.completer = completer;
this.option = option;
if (this.option.debounce) {
this._onKeyup = debounce(this._onKeyup, this.option.debounce);
}
this._bindEvents();
},
destroy: function () {
this.$el.off('.' + this.id); // Remove all event handlers.
this.$el = this.el = this.completer = null;
},
// Update the element with the given value and strategy.
//
// value - The selected object. It is one of the item of the array
// which was callbacked from the search function.
// strategy - The Strategy associated with the selected value.
select: function (/* value, strategy */) {
throw new Error('Not implemented');
},
// Returns the caret's relative coordinates from body's left top corner.
getCaretPosition: function () {
var position = this._getCaretRelativePosition();
var offset = this.$el.offset();
// Calculate the left top corner of `this.option.appendTo` element.
var $parent = this.option.appendTo;
if ($parent) {
if (!($parent instanceof $)) { $parent = $($parent); }
var parentOffset = $parent.offsetParent().offset();
offset.top -= parentOffset.top;
offset.left -= parentOffset.left;
}
position.top += offset.top;
position.left += offset.left;
return position;
},
// Focus on the element.
focus: function () {
this.$el.focus();
},
// Private methods
// ---------------
_bindEvents: function () {
this.$el.on('keyup.' + this.id, $.proxy(this._onKeyup, this));
},
_onKeyup: function (e) {
if (this._skipSearch(e)) { return; }
this.completer.trigger(this.getTextFromHeadToCaret(), true);
},
// Suppress searching if it returns true.
_skipSearch: function (clickEvent) {
switch (clickEvent.keyCode) {
case 9: // TAB
case 13: // ENTER
case 40: // DOWN
case 38: // UP
return true;
}
if (clickEvent.ctrlKey) switch (clickEvent.keyCode) {
case 78: // Ctrl-N
case 80: // Ctrl-P
return true;
}
}
});
$.fn.textcomplete.Adapter = Adapter;
}(jQuery);
+function ($) {
'use strict';
// Textarea adapter
// ================
//
// Managing a textarea. It doesn't know a Dropdown.
function Textarea(element, completer, option) {
this.initialize(element, completer, option);
}
$.extend(Textarea.prototype, $.fn.textcomplete.Adapter.prototype, {
// Public methods
// --------------
// Update the textarea with the given value and strategy.
select: function (value, strategy, e) {
var pre = this.getTextFromHeadToCaret();
var post = this.el.value.substring(this.el.selectionEnd);
var newSubstr = strategy.replace(value, e);
if (typeof newSubstr !== 'undefined') {
if ($.isArray(newSubstr)) {
post = newSubstr[1] + post;
newSubstr = newSubstr[0];
}
pre = pre.replace(strategy.match, newSubstr);
this.$el.val(pre + post);
this.el.selectionStart = this.el.selectionEnd = pre.length;
}
},
getTextFromHeadToCaret: function () {
return this.el.value.substring(0, this.el.selectionEnd);
},
// Private methods
// ---------------
_getCaretRelativePosition: function () {
var p = $.fn.textcomplete.getCaretCoordinates(this.el, this.el.selectionStart);
return {
top: p.top + this._calculateLineHeight() - this.$el.scrollTop(),
left: p.left - this.$el.scrollLeft()
};
},
_calculateLineHeight: function () {
var lineHeight = parseInt(this.$el.css('line-height'), 10);
if (isNaN(lineHeight)) {
// http://stackoverflow.com/a/4515470/1297336
var parentNode = this.el.parentNode;
var temp = document.createElement(this.el.nodeName);
var style = this.el.style;
temp.setAttribute(
'style',
'margin:0px;padding:0px;font-family:' + style.fontFamily + ';font-size:' + style.fontSize
);
temp.innerHTML = 'test';
parentNode.appendChild(temp);
lineHeight = temp.clientHeight;
parentNode.removeChild(temp);
}
return lineHeight;
}
});
$.fn.textcomplete.Textarea = Textarea;
}(jQuery);
+function ($) {
'use strict';
var sentinelChar = '吶';
function IETextarea(element, completer, option) {
this.initialize(element, completer, option);
$('<span>' + sentinelChar + '</span>').css({
position: 'absolute',
top: -9999,
left: -9999
}).insertBefore(element);
}
$.extend(IETextarea.prototype, $.fn.textcomplete.Textarea.prototype, {
// Public methods
// --------------
select: function (value, strategy, e) {
var pre = this.getTextFromHeadToCaret();
var post = this.el.value.substring(pre.length);
var newSubstr = strategy.replace(value, e);
if (typeof newSubstr !== 'undefined') {
if ($.isArray(newSubstr)) {
post = newSubstr[1] + post;
newSubstr = newSubstr[0];
}
pre = pre.replace(strategy.match, newSubstr);
this.$el.val(pre + post);
this.el.focus();
var range = this.el.createTextRange();
range.collapse(true);
range.moveEnd('character', pre.length);
range.moveStart('character', pre.length);
range.select();
}
},
getTextFromHeadToCaret: function () {
this.el.focus();
var range = document.selection.createRange();
range.moveStart('character', -this.el.value.length);
var arr = range.text.split(sentinelChar)
return arr.length === 1 ? arr[0] : arr[1];
}
});
$.fn.textcomplete.IETextarea = IETextarea;
}(jQuery);
// NOTE: TextComplete plugin has contenteditable support but it does not work
// fine especially on old IEs.
// Any pull requests are REALLY welcome.
+function ($) {
'use strict';
// ContentEditable adapter
// =======================
//
// Adapter for contenteditable elements.
function ContentEditable (element, completer, option) {
this.initialize(element, completer, option);
}
$.extend(ContentEditable.prototype, $.fn.textcomplete.Adapter.prototype, {
// Public methods
// --------------
// Update the content with the given value and strategy.
// When an dropdown item is selected, it is executed.
select: function (value, strategy, e) {
var pre = this.getTextFromHeadToCaret();
var sel = window.getSelection()
var range = sel.getRangeAt(0);
var selection = range.cloneRange();
selection.selectNodeContents(range.startContainer);
var content = selection.toString();
var post = content.substring(range.startOffset);
var newSubstr = strategy.replace(value, e);
if (typeof newSubstr !== 'undefined') {
if ($.isArray(newSubstr)) {
post = newSubstr[1] + post;
newSubstr = newSubstr[0];
}
pre = pre.replace(strategy.match, newSubstr);
range.selectNodeContents(range.startContainer);
range.deleteContents();
// create temporary elements
var preWrapper = document.createElement("div");
preWrapper.innerHTML = pre;
var postWrapper = document.createElement("div");
postWrapper.innerHTML = post;
// create the fragment thats inserted
var fragment = document.createDocumentFragment();
var childNode;
var lastOfPre;
while (childNode = preWrapper.firstChild) {
lastOfPre = fragment.appendChild(childNode);
}
while (childNode = postWrapper.firstChild) {
fragment.appendChild(childNode);
}
// insert the fragment & jump behind the last node in "pre"
range.insertNode(fragment);
range.setStartAfter(lastOfPre);
range.collapse(true);
sel.removeAllRanges();
sel.addRange(range);
}
},
// Private methods
// ---------------
// Returns the caret's relative position from the contenteditable's
// left top corner.
//
// Examples
//
// this._getCaretRelativePosition()
// //=> { top: 18, left: 200, lineHeight: 16 }
//
// Dropdown's position will be decided using the result.
_getCaretRelativePosition: function () {
var range = window.getSelection().getRangeAt(0).cloneRange();
var node = document.createElement('span');
range.insertNode(node);
range.selectNodeContents(node);
range.deleteContents();
var $node = $(node);
var position = $node.offset();
position.left -= this.$el.offset().left;
position.top += $node.height() - this.$el.offset().top;
position.lineHeight = $node.height();
$node.remove();
return position;
},
// Returns the string between the first character and the caret.
// Completer will be triggered with the result for start autocompleting.
//
// Example
//
// // Suppose the html is '<b>hello</b> wor|ld' and | is the caret.
// this.getTextFromHeadToCaret()
// // => ' wor' // not '<b>hello</b> wor'
getTextFromHeadToCaret: function () {
var range = window.getSelection().getRangeAt(0);
var selection = range.cloneRange();
selection.selectNodeContents(range.startContainer);
return selection.toString().substring(0, range.startOffset);
}
});
$.fn.textcomplete.ContentEditable = ContentEditable;
}(jQuery);
// The MIT License (MIT)
//
// Copyright (c) 2015 Jonathan Ong me@jongleberry.com
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
// associated documentation files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify, merge, publish, distribute,
// sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or
// substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
// NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// https://github.com/component/textarea-caret-position
(function ($) {
// The properties that we copy into a mirrored div.
// Note that some browsers, such as Firefox,
// do not concatenate properties, i.e. padding-top, bottom etc. -> padding,
// so we have to do every single property specifically.
var properties = [
'direction', // RTL support
'boxSizing',
'width', // on Chrome and IE, exclude the scrollbar, so the mirror div wraps exactly as the textarea does
'height',
'overflowX',
'overflowY', // copy the scrollbar for IE
'borderTopWidth',
'borderRightWidth',
'borderBottomWidth',
'borderLeftWidth',
'borderStyle',
'paddingTop',
'paddingRight',
'paddingBottom',
'paddingLeft',
// https://developer.mozilla.org/en-US/docs/Web/CSS/font
'fontStyle',
'fontVariant',
'fontWeight',
'fontStretch',
'fontSize',
'fontSizeAdjust',
'lineHeight',
'fontFamily',
'textAlign',
'textTransform',
'textIndent',
'textDecoration', // might not make a difference, but better be safe
'letterSpacing',
'wordSpacing',
'tabSize',
'MozTabSize'
];
var isBrowser = (typeof window !== 'undefined');
var isFirefox = (isBrowser && window.mozInnerScreenX != null);
function getCaretCoordinates(element, position, options) {
if(!isBrowser) {
throw new Error('textarea-caret-position#getCaretCoordinates should only be called in a browser');
}
var debug = options && options.debug || false;
if (debug) {
var el = document.querySelector('#input-textarea-caret-position-mirror-div');
if ( el ) { el.parentNode.removeChild(el); }
}
// mirrored div
var div = document.createElement('div');
div.id = 'input-textarea-caret-position-mirror-div';
document.body.appendChild(div);
var style = div.style;
var computed = window.getComputedStyle? getComputedStyle(element) : element.currentStyle; // currentStyle for IE < 9
// default textarea styles
style.whiteSpace = 'pre-wrap';
if (element.nodeName !== 'INPUT')
style.wordWrap = 'break-word'; // only for textarea-s
// position off-screen
style.position = 'absolute'; // required to return coordinates properly
if (!debug)
style.visibility = 'hidden'; // not 'display: none' because we want rendering
// transfer the element's properties to the div
properties.forEach(function (prop) {
style[prop] = computed[prop];
});
if (isFirefox) {
// Firefox lies about the overflow property for textareas: https://bugzilla.mozilla.org/show_bug.cgi?id=984275
if (element.scrollHeight > parseInt(computed.height))
style.overflowY = 'scroll';
} else {
style.overflow = 'hidden'; // for Chrome to not render a scrollbar; IE keeps overflowY = 'scroll'
}
div.textContent = element.value.substring(0, position);
// the second special handling for input type="text" vs textarea: spaces need to be replaced with non-breaking spaces - http://stackoverflow.com/a/13402035/1269037
if (element.nodeName === 'INPUT')
div.textContent = div.textContent.replace(/\s/g, '\u00a0');
var span = document.createElement('span');
// Wrapping must be replicated *exactly*, including when a long word gets
// onto the next line, with whitespace at the end of the line before (#7).
// The *only* reliable way to do that is to copy the *entire* rest of the
// textarea's content into the <span> created at the caret position.
// for inputs, just '.' would be enough, but why bother?
span.textContent = element.value.substring(position) || '.'; // || because a completely empty faux span doesn't render at all
div.appendChild(span);
var coordinates = {
top: span.offsetTop + parseInt(computed['borderTopWidth']),
left: span.offsetLeft + parseInt(computed['borderLeftWidth'])
};
if (debug) {
span.style.backgroundColor = '#aaa';
} else {
document.body.removeChild(div);
}
return coordinates;
}
$.fn.textcomplete.getCaretCoordinates = getCaretCoordinates;
}(jQuery));
return jQuery;
}));
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