Skip to content

C
converse.js
Commit ad73abbd authored by JC Brand's avatar JC Brand
Browse files
Options

Rewrite as ES2015 class

parent 33cd23c5
Hide whitespace changes
Inline Side-by-side
Showing with 185 additions and 231 deletions
src/converse-autocomplete.js
View file @ ad73abbd
......@@ -20,120 +20,147 @@
const { _converse } = this;
_converse.FILTER_CONTAINS = function (text, input) {
return RegExp($.regExpEscape(input.trim()), "i").test(text);
return RegExp(helpers.regExpEscape(input.trim()), "i").test(text);
};
_converse.FILTER_STARTSWITH = function (text, input) {
return RegExp("^" + $.regExpEscape(input.trim()), "i").test(text);
return RegExp("^" + helpers.regExpEscape(input.trim()), "i").test(text);
};
const _ac = function (el, o) {
const me = this;
const SORT_BYLENGTH = function (a, b) {
if (a.length !== b.length) {
return a.length - b.length;
}
return a < b? -1 : 1;
};
const REPLACE = (text) => (this.input.value = text.value);
const ITEM = (text, input) => {
input = input.trim();
const element = document.createElement("li");
element.setAttribute("aria-selected", "false");
const regex = new RegExp("("+input+")", "ig");
const parts = input ? text.split(regex) : [text];
parts.forEach((txt) => {
if (input && txt.match(regex)) {
const match = document.createElement("mark");
match.textContent = txt;
element.appendChild(match);
} else {
element.appendChild(document.createTextNode(txt));
}
});
return element;
};
class AutoComplete {
constructor (el, o) {
this.is_opened = false;
this.is_opened = false;
if (u.hasClass('.suggestion-box', el)) {
this.container = el;
} else {
this.container = el.querySelector('.suggestion-box');
}
this.input = this.container.querySelector('.suggestion-box__input');
this.input.setAttribute("autocomplete", "off");
this.input.setAttribute("aria-autocomplete", "list");
this.ul = this.container.querySelector('.suggestion-box__results');
this.status = this.container.querySelector('.suggestion-box__additions');
o = o || {};
_.assignIn(this, {
'match_current_word': false, // Match only the current word, otherwise all input is matched
'match_on_tab': false, // Whether matching should only start when tab's pressed
'min_chars': 2,
'max_items': 10,
'auto_evaluate': true,
'auto_first': false,
'data': _.identity,
'filter': _converse.FILTER_CONTAINS,
'sort': o.sort === false ? false : SORT_BYLENGTH,
'item': ITEM,
'replace': REPLACE
}, o);
this.index = -1;
if (u.hasClass('.suggestion-box', el)) {
this.container = el;
} else {
this.container = el.querySelector('.suggestion-box');
const input = {
"blur": this.close.bind(this, {'reason': "blur" }),
"keydown": () => this.onKeyDown()
}
if (this.auto_evaluate) {
input["input"] = this.evaluate.bind(this);
}
this.bindEvents(input)
if (this.input.hasAttribute("list")) {
this.list = "#" + this.input.getAttribute("list");
this.input.removeAttribute("list");
} else {
this.list = this.input.getAttribute("data-list") || o.list || [];
}
}
this.input = $(this.container.querySelector('.suggestion-box__input'));
this.input.setAttribute("autocomplete", "off");
this.input.setAttribute("aria-autocomplete", "list");
this.ul = $(this.container.querySelector('.suggestion-box__results'));
this.status = $(this.container.querySelector('.suggestion-box__additions'));
o = o || {};
configure(this, {
'match_current_word': false, // Match only the current word, otherwise all input is matched
'match_on_tab': false, // Whether matching should only start when tab's pressed
'min_chars': 2,
'max_items': 10,
'auto_evaluate': true,
'auto_first': false,
'data': _ac.DATA,
'filter': _ac.FILTER_CONTAINS,
'sort': o.sort === false ? false : _ac.SORT_BYLENGTH,
'item': _ac.ITEM,
'replace': _ac.REPLACE
}, o);
this.index = -1;
const input = {
"blur": this.close.bind(this, { reason: "blur" }),
"keydown": function(evt) {
const c = evt.keyCode;
// If the dropdown `ul` is in view, then act on keydown for the following keys:
// Enter / Esc / Up / Down
if(me.opened) {
if (c === _converse.keycodes.ENTER && me.selected) {
evt.preventDefault();
me.select();
} else if (c === _converse.keycodes.ESCAPE) {
me.close({ reason: "esc" });
} else if (c === _converse.keycodes.UP_ARROW || c === _converse.keycodes.DOWN_ARROW) {
evt.preventDefault();
me[c === _converse.keycodes.UP_ARROW ? "previous" : "next"]();
}
onKeyDown (evt) {
const c = evt.keyCode;
// If the dropdown `ul` is in view, then act on keydown for the following keys:
// Enter / Esc / Up / Down
if (this.opened) {
if (c === _converse.keycodes.ENTER && this.selected) {
evt.preventDefault();
this.select();
} else if (c === _converse.keycodes.ESCAPE) {
this.close({ reason: "esc" });
} else if (c === _converse.keycodes.UP_ARROW || c === _converse.keycodes.DOWN_ARROW) {
evt.preventDefault();
this[c === _converse.keycodes.UP_ARROW ? "previous" : "next"]();
}
}
}
if (this.auto_evaluate) {
input["input"] = this.evaluate.bind(this);
}
// Bind events
this._events = {
'input': input,
'form': {
"submit": this.close.bind(this, { reason: "submit" })
},
'ul': {
"mousedown": function(evt) {
let li = evt.target;
if (li !== this) {
while (li && !(/li/i).test(li.nodeName)) {
li = li.parentNode;
}
bindEvents (input) {
// Bind events
this._events = {
'input': input,
'form': {
"submit": this.close.bind(this, { reason: "submit" })
},
'ul': {
"mousedown": (evt) => {
let li = evt.target;
if (li !== this) {
while (li && !(/li/i).test(li.nodeName)) {
li = li.parentNode;
}
if (li && evt.button === 0) { // Only select on left click
evt.preventDefault();
me.select(li, evt.target);
if (li && evt.button === 0) { // Only select on left click
evt.preventDefault();
this.select(li, evt.target);
}
}
}
}
}
};
$.bind(this.input, this._events.input);
$.bind(this.input.form, this._events.form);
$.bind(this.ul, this._events.ul);
if (this.input.hasAttribute("list")) {
this.list = "#" + this.input.getAttribute("list");
this.input.removeAttribute("list");
}
else {
this.list = this.input.getAttribute("data-list") || o.list || [];
};
helpers.bind(this.input, this._events.input);
helpers.bind(this.input.form, this._events.form);
helpers.bind(this.ul, this._events.ul);
}
_ac.all.push(this);
}
_ac.prototype = {
set list (list) {
if (Array.isArray(list)) {
if (Array.isArray(list) || typeof list === "function") {
this._list = list;
}
else if (typeof list === "string" && _.includes(list, ",")) {
} else if (typeof list === "string" && _.includes(list, ",")) {
this._list = list.split(/\s*,\s*/);
}
else { // Element or CSS selector
list = $(list);
} else { // Element or CSS selector
list = helpers.getElement(list);
if (list && list.children) {
const items = [];
slice.apply(list.children).forEach(function (el) {
......@@ -153,27 +180,26 @@
if (document.activeElement === this.input) {
this.evaluate();
}
},
}
get selected() {
get selected () {
return this.index > -1;
},
}
get opened() {
get opened () {
return this.is_opened;
},
}
close (o) {
if (!this.opened) {
return;
}
this.ul.setAttribute("hidden", "");
this.is_opened = false;
this.index = -1;
$.fire(this.input, "suggestion-box-close", o || {});
},
helpers.fire(this.input, "suggestion-box-close", o || {});
}
open () {
this.ul.removeAttribute("hidden");
......@@ -183,13 +209,13 @@
this.goto(0);
}
$.fire(this.input, "suggestion-box-open");
},
helpers.fire(this.input, "suggestion-box-open");
}
destroy () {
//remove events from the input and its form
$.unbind(this.input, this._events.input);
$.unbind(this.input.form, this._events.form);
helpers.unbind(this.input, this._events.input);
helpers.unbind(this.input.form, this._events.form);
//move the input out of the suggestion-box container and remove the container and its children
const parentNode = this.container.parentNode;
......@@ -200,26 +226,18 @@
//remove autocomplete and aria-autocomplete attributes
this.input.removeAttribute("autocomplete");
this.input.removeAttribute("aria-autocomplete");
//remove this awesomeplete instance from the global array of instances
var indexOfAutoComplete = _ac.all.indexOf(this);
if (indexOfAutoComplete !== -1) {
_ac.all.splice(indexOfAutoComplete, 1);
}
},
}
next () {
var count = this.ul.children.length;
const count = this.ul.children.length;
this.goto(this.index < count - 1 ? this.index + 1 : (count ? 0 : -1) );
},
}
previous () {
var count = this.ul.children.length;
var pos = this.index - 1;
const count = this.ul.children.length,
pos = this.index - 1;
this.goto(this.selected && pos !== -1 ? pos : count - 1);
},
}
// Should not be used, highlights specific item without any checks!
goto (i) {
......@@ -238,11 +256,11 @@
// scroll to highlighted element in case parent's height is fixed
this.ul.scrollTop = lis[i].offsetTop - this.ul.clientHeight + lis[i].clientHeight;
$.fire(this.input, "suggestion-box-highlight", {
helpers.fire(this.input, "suggestion-box-highlight", {
text: this.suggestions[this.index]
});
}
},
}
select (selected, origin) {
if (selected) {
......@@ -253,7 +271,7 @@
if (selected) {
const suggestion = this.suggestions[this.index],
allowed = $.fire(this.input, "suggestion-box-select", {
allowed = helpers.fire(this.input, "suggestion-box-select", {
'text': suggestion,
'origin': origin || selected
});
......@@ -265,7 +283,7 @@
this.trigger("suggestion-box-selectcomplete", {'text': suggestion});
}
}
},
}
keyPressed (ev) {
if (_.includes([
......@@ -284,7 +302,7 @@
if (this.auto_completing) {
this.evaluate();
}
},
}
evaluate (ev) {
let value = this.input.value;
......@@ -292,12 +310,14 @@
value = u.getCurrentWord(this.input);
}
if (value.length >= this.min_chars && this._list.length > 0) {
const list = typeof this._list === "function" ? this._list() : this._list;
if (value.length >= this.min_chars && list.length > 0) {
this.index = -1;
// Populate list with options that match
this.ul.innerHTML = "";
this.suggestions = this._list
this.suggestions = list
.map(item => new Suggestion(this.data(item, value)))
.filter(item => this.filter(item, value));
......@@ -317,46 +337,11 @@
this.auto_completing = false;
}
}
};
}
// Make it an event emitter
_.extend(_ac.prototype, Backbone.Events);
_.extend(AutoComplete.prototype, Backbone.Events);
// Static methods/properties
_ac.all = [];
_ac.SORT_BYLENGTH = function (a, b) {
if (a.length !== b.length) {
return a.length - b.length;
}
return a < b? -1 : 1;
};
_ac.ITEM = function (text, input) {
input = input.trim();
var element = document.createElement("li");
element.setAttribute("aria-selected", "false");
var regex = new RegExp("("+input+")", "ig");
var parts = input ? text.split(regex) : [text];
parts.forEach(function (txt) {
if (input && txt.match(regex)) {
var match = document.createElement("mark");
match.textContent = txt;
element.appendChild(match);
} else {
element.appendChild(document.createTextNode(txt));
}
});
return element;
};
_ac.REPLACE = function (text) {
this.input.value = text.value;
};
_ac.DATA = function (item/*, input*/) { return item; };
// Private functions
......@@ -377,89 +362,58 @@
return "" + this.label;
};
function configure (instance, properties, o) {
for (var i in properties) {
if (!Object.prototype.hasOwnProperty.call(properties, i)) {
continue;
}
const initial = properties[i],
attr_value = instance.input.getAttribute("data-" + i.toLowerCase());
if (typeof initial === "number") {
instance[i] = parseInt(attr_value, 10);
} else if (initial === false) { // Boolean options must be false by default anyway
instance[i] = attr_value !== null;
} else if (initial instanceof Function) {
instance[i] = null;
} else {
instance[i] = attr_value;
}
if (!instance[i] && instance[i] !== 0) {
instance[i] = (i in o)? o[i] : initial;
}
}
}
// Helpers
var slice = Array.prototype.slice;
function $(expr, con) {
return typeof expr === "string"? (con || document).querySelector(expr) : expr || null;
}
const helpers = {
function $$(expr, con) {
return slice.call((con || document).querySelectorAll(expr));
}
getElement (expr, el) {
return typeof expr === "string"? (el || document).querySelector(expr) : expr || null;
},
$.bind = function(element, o) {
if (element) {
for (var event in o) {
if (!Object.prototype.hasOwnProperty.call(o, event)) {
continue;
bind (element, o) {
if (element) {
for (var event in o) {
if (!Object.prototype.hasOwnProperty.call(o, event)) {
continue;
}
const callback = o[event];
event.split(/\s+/).forEach(event => element.addEventListener(event, callback));
}
const callback = o[event];
event.split(/\s+/).forEach(event => element.addEventListener(event, callback));
}
}
};
},
$.unbind = function(element, o) {
if (element) {
for (var event in o) {
if (!Object.prototype.hasOwnProperty.call(o, event)) {
continue;
unbind (element, o) {
if (element) {
for (var event in o) {
if (!Object.prototype.hasOwnProperty.call(o, event)) {
continue;
}
const callback = o[event];
event.split(/\s+/).forEach(event => element.removeEventListener(event, callback));
}
const callback = o[event];
event.split(/\s+/).forEach(event => element.removeEventListener(event, callback));
}
}
};
$.fire = function(target, type, properties) {
var evt = document.createEvent("HTMLEvents");
},
evt.initEvent(type, true, true );
fire (target, type, properties) {
const evt = document.createEvent("HTMLEvents");
evt.initEvent(type, true, true );
for (var j in properties) {
if (!Object.prototype.hasOwnProperty.call(properties, j)) {
continue;
for (var j in properties) {
if (!Object.prototype.hasOwnProperty.call(properties, j)) {
continue;
}
evt[j] = properties[j];
}
evt[j] = properties[j];
}
return target.dispatchEvent(evt);
};
$.regExpEscape = function (s) {
return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
};
return target.dispatchEvent(evt);
},
_ac.$ = $;
_ac.$$ = $$;
regExpEscape (s) {
return s.replace(/[-\\^$*+?.()|[\]{}]/g, "\\$&");
}
}
_converse.AutoComplete = _ac;
_converse.AutoComplete = AutoComplete;
}
});
}));
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7