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Ticket #5469: jquery.ui.autocomplete.js
File jquery.ui.autocomplete.js, 14.7 KB (added by klaptrap, April 04, 2010 05:39AM UTC)
/*
* jQuery UI Autocomplete 1.8
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Autocomplete
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.position.js
*/
(function ($) {
$.widget("ui.autocomplete", {
options: {
minLength: 1,
delay: 300
},
_create: function () {
var self = this,
doc = this.element[0].ownerDocument;
this.element
.addClass("ui-autocomplete-input")
.attr("autocomplete", "off")
// TODO verify these actually work as intended
.attr({
role: "textbox",
"aria-autocomplete": "list",
"aria-haspopup": "true"
})
.bind("keydown.autocomplete", function (event) {
var keyCode = $.ui.keyCode;
switch (event.keyCode) {
case keyCode.PAGE_UP:
self._move("previousPage", event);
break;
case keyCode.PAGE_DOWN:
self._move("nextPage", event);
break;
case keyCode.UP:
self._move("previous", event);
// prevent moving cursor to beginning of text field in some browsers
event.preventDefault();
break;
case keyCode.DOWN:
self._move("next", event);
// prevent moving cursor to end of text field in some browsers
event.preventDefault();
break;
case keyCode.ENTER:
// when menu is open or has focus
if (self.menu.active) {
event.preventDefault();
}
//passthrough - ENTER and TAB both select the current element
case keyCode.TAB:
if (!self.menu.active) {
return;
}
self.menu.select();
break;
case keyCode.ESCAPE:
self.element.val(self.term);
self.close(event);
break;
case keyCode.SHIFT:
case keyCode.CONTROL:
case 18:
// ignore metakeys (shift, ctrl, alt)
break;
default:
// keypress is triggered before the input value is changed
clearTimeout(self.searching);
self.searching = setTimeout(function () {
self.search(null, event);
}, self.options.delay);
break;
}
})
.bind("focus.autocomplete", function () {
self.previous = self.element.val();
})
.bind("blur.autocomplete", function (event) {
clearTimeout(self.searching);
// clicks on the menu (or a button to trigger a search) will cause a blur event
// TODO try to implement this without a timeout, see clearTimeout in search()
self.closing = setTimeout(function () {
self.close(event);
}, 150);
});
this._initSource();
this.response = function () {
return self._response.apply(self, arguments);
};
this.menu = $("<ul></ul>")
.addClass("ui-autocomplete")
.appendTo("body", doc)
.menu({
focus: function (event, ui) {
var item = ui.item.data("item.autocomplete");
if (false !== self._trigger("focus", null, { item: item })) {
// use value to match what will end up in the input
self.element.val(item.value);
}
},
selected: function (event, ui) {
var item = ui.item.data("item.autocomplete");
if (false !== self._trigger("select", event, { item: item })) {
self.element.val(item.value);
}
self.close(event);
self.previous = self.element.val();
// only trigger when focus was lost (click on menu)
if (self.element[0] !== doc.activeElement) {
self.element.focus();
}
},
blur: function (event, ui) {
if (self.menu.element.is(":visible")) {
self.element.val(self.term);
}
}
})
.zIndex(this.element.zIndex() + 1)
// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
.css({ top: 0, left: 0 })
.hide()
.data("menu");
if ($.fn.bgiframe) {
this.menu.element.bgiframe();
}
},
destroy: function () {
this.element
.removeClass("ui-autocomplete-input ui-widget ui-widget-content")
.removeAttr("autocomplete")
.removeAttr("role")
.removeAttr("aria-autocomplete")
.removeAttr("aria-haspopup");
this.menu.element.remove();
$.Widget.prototype.destroy.call(this);
},
_setOption: function (key) {
$.Widget.prototype._setOption.apply(this, arguments);
if (key === "source") {
this._initSource();
}
},
_initSource: function () {
var array,
url;
if ($.isArray(this.options.source)) {
array = this.options.source;
this.source = function (request, response) {
// escape regex characters
var matcher = new RegExp($.ui.autocomplete.escapeRegex(request.term), "i");
response($.grep(array, function (value) {
return matcher.test(value.label || value.value || value);
}));
};
} else if (typeof this.options.source === "string") {
url = this.options.source;
this.source = function (request, response) {
$.getJSON(url, request, response);
};
} else {
this.source = this.options.source;
}
},
search: function (value, event) {
value = value != null ? value : this.element.val();
if (value.length < this.options.minLength) {
return this.close(event);
}
clearTimeout(this.closing);
if (this._trigger("search") === false) {
return;
}
return this._search(value);
},
_search: function (value) {
this.term = this.element
.addClass("ui-autocomplete-loading")
// always save the actual value, not the one passed as an argument
.val();
this.source({ term: value }, this.response);
},
_response: function (content) {
if (content.length) {
content = this._normalize(content);
this._suggest(content);
this._trigger("open");
} else {
this.close();
}
this.element.removeClass("ui-autocomplete-loading");
},
close: function (event) {
clearTimeout(this.closing);
if (this.menu.element.is(":visible")) {
this._trigger("close", event);
this.menu.element.hide();
this.menu.deactivate();
}
if (this.previous !== this.element.val()) {
this._trigger("change", event);
}
},
_normalize: function (items) {
// assume all items have the right format when the first item is complete
if (items.length && items[0].label && items[0].value) {
return items;
}
return $.map(items, function (item) {
if (typeof item === "string") {
return {
label: item,
value: item
};
}
return $.extend({
label: item.label || item.value,
value: item.value || item.label
}, item);
});
},
_suggest: function (items) {
var ul = this.menu.element
.empty()
.zIndex(this.element.zIndex() + 1),
menuWidth,
textWidth;
this._renderMenu(ul, items);
// TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
this.menu.deactivate();
this.menu.refresh();
this.menu.element.show().position({
my: "left top",
at: "left bottom",
of: this.element,
collision: "none"
});
menuWidth = ul.width("").width();
textWidth = this.element.width();
ul.width(Math.max(menuWidth, textWidth));
},
_renderMenu: function (ul, items) {
var self = this;
$.each(items, function (index, item) {
self._renderItem(ul, item);
});
},
_renderItem: function (ul, item) {
return $("<li></li>")
.data("item.autocomplete", item)
.append("<a>" + item.label + "</a>")
.appendTo(ul);
},
_move: function (direction, event) {
if (!this.menu.element.is(":visible")) {
this.search(null, event);
return;
}
if (this.menu.first() && /^previous/.test(direction) ||
this.menu.last() && /^next/.test(direction)) {
this.element.val(this.term);
this.menu.deactivate();
return;
}
this.menu[direction]();
},
widget: function () {
return this.menu.element;
}
});
$.extend($.ui.autocomplete, {
escapeRegex: function (value) {
return value.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1");
}
});
} (jQuery));
/*
* jQuery UI Menu (not officially released)
*
* This widget isn't yet finished and the API is subject to change. We plan to finish
* it for the next release. You're welcome to give it a try anyway and give us feedback,
* as long as you're okay with migrating your code later on. We can help with that, too.
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Menu
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
*/
(function($) {
$.widget("ui.menu", {
_create: function() {
var self = this;
this.element
.addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
.attr({
role: "listbox",
"aria-activedescendant": "ui-active-menuitem"
})
.click(function(e) {
// temporary
e.preventDefault();
self.select();
});
this.refresh();
},
refresh: function() {
var self = this;
// don't refresh list items that are already adapted
var items = this.element.children("li:not(.ui-menu-item):has(a)")
.addClass("ui-menu-item")
.attr("role", "menuitem");
items.children("a")
.addClass("ui-corner-all")
.attr("tabindex", -1)
// mouseenter doesn't work with event delegation
.mouseenter(function() {
self.activate($(this).parent());
})
.mouseleave(function() {
self.deactivate();
});
},
activate: function(item) {
this.deactivate();
if (this.hasScroll()) {
var offset = item.offset().top - this.element.offset().top,
scroll = this.element.attr("scrollTop"),
elementHeight = this.element.height();
if (offset < 0) {
this.element.attr("scrollTop", scroll + offset);
} else if (offset > elementHeight) {
this.element.attr("scrollTop", scroll + offset - elementHeight + item.height());
}
}
this.active = item.eq(0)
.children("a")
.addClass("ui-state-hover")
.attr("id", "ui-active-menuitem")
.end();
this._trigger("focus", null, { item: item });
},
deactivate: function() {
if (!this.active) { return; }
this.active.children("a")
.removeClass("ui-state-hover")
.removeAttr("id");
this._trigger("blur");
this.active = null;
},
next: function() {
this.move("next", "li:first");
},
previous: function() {
this.move("prev", "li:last");
},
first: function() {
return this.active && !this.active.prev().length;
},
last: function() {
return this.active && !this.active.next().length;
},
move: function(direction, edge) {
if (!this.active) {
this.activate(this.element.children(edge));
return;
}
var next = this.active[direction]();
if (next.length) {
this.activate(next);
} else {
this.activate(this.element.children(edge));
}
},
// TODO merge with previousPage
nextPage: function() {
if (this.hasScroll()) {
// TODO merge with no-scroll-else
if (!this.active || this.last()) {
this.activate(this.element.children(":first"));
return;
}
var base = this.active.offset().top,
height = this.element.height(),
result = this.element.children("li").filter(function() {
var close = $(this).offset().top - base - height + $(this).height();
// TODO improve approximation
return close < 10 && close > -10;
});
// TODO try to catch this earlier when scrollTop indicates the last page anyway
if (!result.length) {
result = this.element.children(":last");
}
this.activate(result);
} else {
this.activate(this.element.children(!this.active || this.last() ? ":first" : ":last"));
}
},
// TODO merge with nextPage
previousPage: function() {
if (this.hasScroll()) {
// TODO merge with no-scroll-else
if (!this.active || this.first()) {
this.activate(this.element.children(":last"));
return;
}
var base = this.active.offset().top,
height = this.element.height();
result = this.element.children("li").filter(function() {
var close = $(this).offset().top - base + height - $(this).height();
// TODO improve approximation
return close < 10 && close > -10;
});
// TODO try to catch this earlier when scrollTop indicates the last page anyway
if (!result.length) {
result = this.element.children(":first");
}
this.activate(result);
} else {
this.activate(this.element.children(!this.active || this.first() ? ":last" : ":first"));
}
},
hasScroll: function() {
return this.element.height() < this.element.attr("scrollHeight");
},
select: function() {
this._trigger("selected", null, { item: this.active });
}
});
}(jQuery));
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Original Format
File jquery.ui.autocomplete.js, 14.7 KB (added by klaptrap, April 04, 2010 05:39AM UTC)
/*
* jQuery UI Autocomplete 1.8
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Autocomplete
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
* jquery.ui.position.js
*/
(function ($) {
$.widget("ui.autocomplete", {
options: {
minLength: 1,
delay: 300
},
_create: function () {
var self = this,
doc = this.element[0].ownerDocument;
this.element
.addClass("ui-autocomplete-input")
.attr("autocomplete", "off")
// TODO verify these actually work as intended
.attr({
role: "textbox",
"aria-autocomplete": "list",
"aria-haspopup": "true"
})
.bind("keydown.autocomplete", function (event) {
var keyCode = $.ui.keyCode;
switch (event.keyCode) {
case keyCode.PAGE_UP:
self._move("previousPage", event);
break;
case keyCode.PAGE_DOWN:
self._move("nextPage", event);
break;
case keyCode.UP:
self._move("previous", event);
// prevent moving cursor to beginning of text field in some browsers
event.preventDefault();
break;
case keyCode.DOWN:
self._move("next", event);
// prevent moving cursor to end of text field in some browsers
event.preventDefault();
break;
case keyCode.ENTER:
// when menu is open or has focus
if (self.menu.active) {
event.preventDefault();
}
//passthrough - ENTER and TAB both select the current element
case keyCode.TAB:
if (!self.menu.active) {
return;
}
self.menu.select();
break;
case keyCode.ESCAPE:
self.element.val(self.term);
self.close(event);
break;
case keyCode.SHIFT:
case keyCode.CONTROL:
case 18:
// ignore metakeys (shift, ctrl, alt)
break;
default:
// keypress is triggered before the input value is changed
clearTimeout(self.searching);
self.searching = setTimeout(function () {
self.search(null, event);
}, self.options.delay);
break;
}
})
.bind("focus.autocomplete", function () {
self.previous = self.element.val();
})
.bind("blur.autocomplete", function (event) {
clearTimeout(self.searching);
// clicks on the menu (or a button to trigger a search) will cause a blur event
// TODO try to implement this without a timeout, see clearTimeout in search()
self.closing = setTimeout(function () {
self.close(event);
}, 150);
});
this._initSource();
this.response = function () {
return self._response.apply(self, arguments);
};
this.menu = $("<ul></ul>")
.addClass("ui-autocomplete")
.appendTo("body", doc)
.menu({
focus: function (event, ui) {
var item = ui.item.data("item.autocomplete");
if (false !== self._trigger("focus", null, { item: item })) {
// use value to match what will end up in the input
self.element.val(item.value);
}
},
selected: function (event, ui) {
var item = ui.item.data("item.autocomplete");
if (false !== self._trigger("select", event, { item: item })) {
self.element.val(item.value);
}
self.close(event);
self.previous = self.element.val();
// only trigger when focus was lost (click on menu)
if (self.element[0] !== doc.activeElement) {
self.element.focus();
}
},
blur: function (event, ui) {
if (self.menu.element.is(":visible")) {
self.element.val(self.term);
}
}
})
.zIndex(this.element.zIndex() + 1)
// workaround for jQuery bug #5781 http://dev.jquery.com/ticket/5781
.css({ top: 0, left: 0 })
.hide()
.data("menu");
if ($.fn.bgiframe) {
this.menu.element.bgiframe();
}
},
destroy: function () {
this.element
.removeClass("ui-autocomplete-input ui-widget ui-widget-content")
.removeAttr("autocomplete")
.removeAttr("role")
.removeAttr("aria-autocomplete")
.removeAttr("aria-haspopup");
this.menu.element.remove();
$.Widget.prototype.destroy.call(this);
},
_setOption: function (key) {
$.Widget.prototype._setOption.apply(this, arguments);
if (key === "source") {
this._initSource();
}
},
_initSource: function () {
var array,
url;
if ($.isArray(this.options.source)) {
array = this.options.source;
this.source = function (request, response) {
// escape regex characters
var matcher = new RegExp($.ui.autocomplete.escapeRegex(request.term), "i");
response($.grep(array, function (value) {
return matcher.test(value.label || value.value || value);
}));
};
} else if (typeof this.options.source === "string") {
url = this.options.source;
this.source = function (request, response) {
$.getJSON(url, request, response);
};
} else {
this.source = this.options.source;
}
},
search: function (value, event) {
value = value != null ? value : this.element.val();
if (value.length < this.options.minLength) {
return this.close(event);
}
clearTimeout(this.closing);
if (this._trigger("search") === false) {
return;
}
return this._search(value);
},
_search: function (value) {
this.term = this.element
.addClass("ui-autocomplete-loading")
// always save the actual value, not the one passed as an argument
.val();
this.source({ term: value }, this.response);
},
_response: function (content) {
if (content.length) {
content = this._normalize(content);
this._suggest(content);
this._trigger("open");
} else {
this.close();
}
this.element.removeClass("ui-autocomplete-loading");
},
close: function (event) {
clearTimeout(this.closing);
if (this.menu.element.is(":visible")) {
this._trigger("close", event);
this.menu.element.hide();
this.menu.deactivate();
}
if (this.previous !== this.element.val()) {
this._trigger("change", event);
}
},
_normalize: function (items) {
// assume all items have the right format when the first item is complete
if (items.length && items[0].label && items[0].value) {
return items;
}
return $.map(items, function (item) {
if (typeof item === "string") {
return {
label: item,
value: item
};
}
return $.extend({
label: item.label || item.value,
value: item.value || item.label
}, item);
});
},
_suggest: function (items) {
var ul = this.menu.element
.empty()
.zIndex(this.element.zIndex() + 1),
menuWidth,
textWidth;
this._renderMenu(ul, items);
// TODO refresh should check if the active item is still in the dom, removing the need for a manual deactivate
this.menu.deactivate();
this.menu.refresh();
this.menu.element.show().position({
my: "left top",
at: "left bottom",
of: this.element,
collision: "none"
});
menuWidth = ul.width("").width();
textWidth = this.element.width();
ul.width(Math.max(menuWidth, textWidth));
},
_renderMenu: function (ul, items) {
var self = this;
$.each(items, function (index, item) {
self._renderItem(ul, item);
});
},
_renderItem: function (ul, item) {
return $("<li></li>")
.data("item.autocomplete", item)
.append("<a>" + item.label + "</a>")
.appendTo(ul);
},
_move: function (direction, event) {
if (!this.menu.element.is(":visible")) {
this.search(null, event);
return;
}
if (this.menu.first() && /^previous/.test(direction) ||
this.menu.last() && /^next/.test(direction)) {
this.element.val(this.term);
this.menu.deactivate();
return;
}
this.menu[direction]();
},
widget: function () {
return this.menu.element;
}
});
$.extend($.ui.autocomplete, {
escapeRegex: function (value) {
return value.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1");
}
});
} (jQuery));
/*
* jQuery UI Menu (not officially released)
*
* This widget isn't yet finished and the API is subject to change. We plan to finish
* it for the next release. You're welcome to give it a try anyway and give us feedback,
* as long as you're okay with migrating your code later on. We can help with that, too.
*
* Copyright (c) 2010 AUTHORS.txt (http://jqueryui.com/about)
* Dual licensed under the MIT (MIT-LICENSE.txt)
* and GPL (GPL-LICENSE.txt) licenses.
*
* http://docs.jquery.com/UI/Menu
*
* Depends:
* jquery.ui.core.js
* jquery.ui.widget.js
*/
(function($) {
$.widget("ui.menu", {
_create: function() {
var self = this;
this.element
.addClass("ui-menu ui-widget ui-widget-content ui-corner-all")
.attr({
role: "listbox",
"aria-activedescendant": "ui-active-menuitem"
})
.click(function(e) {
// temporary
e.preventDefault();
self.select();
});
this.refresh();
},
refresh: function() {
var self = this;
// don't refresh list items that are already adapted
var items = this.element.children("li:not(.ui-menu-item):has(a)")
.addClass("ui-menu-item")
.attr("role", "menuitem");
items.children("a")
.addClass("ui-corner-all")
.attr("tabindex", -1)
// mouseenter doesn't work with event delegation
.mouseenter(function() {
self.activate($(this).parent());
})
.mouseleave(function() {
self.deactivate();
});
},
activate: function(item) {
this.deactivate();
if (this.hasScroll()) {
var offset = item.offset().top - this.element.offset().top,
scroll = this.element.attr("scrollTop"),
elementHeight = this.element.height();
if (offset < 0) {
this.element.attr("scrollTop", scroll + offset);
} else if (offset > elementHeight) {
this.element.attr("scrollTop", scroll + offset - elementHeight + item.height());
}
}
this.active = item.eq(0)
.children("a")
.addClass("ui-state-hover")
.attr("id", "ui-active-menuitem")
.end();
this._trigger("focus", null, { item: item });
},
deactivate: function() {
if (!this.active) { return; }
this.active.children("a")
.removeClass("ui-state-hover")
.removeAttr("id");
this._trigger("blur");
this.active = null;
},
next: function() {
this.move("next", "li:first");
},
previous: function() {
this.move("prev", "li:last");
},
first: function() {
return this.active && !this.active.prev().length;
},
last: function() {
return this.active && !this.active.next().length;
},
move: function(direction, edge) {
if (!this.active) {
this.activate(this.element.children(edge));
return;
}
var next = this.active[direction]();
if (next.length) {
this.activate(next);
} else {
this.activate(this.element.children(edge));
}
},
// TODO merge with previousPage
nextPage: function() {
if (this.hasScroll()) {
// TODO merge with no-scroll-else
if (!this.active || this.last()) {
this.activate(this.element.children(":first"));
return;
}
var base = this.active.offset().top,
height = this.element.height(),
result = this.element.children("li").filter(function() {
var close = $(this).offset().top - base - height + $(this).height();
// TODO improve approximation
return close < 10 && close > -10;
});
// TODO try to catch this earlier when scrollTop indicates the last page anyway
if (!result.length) {
result = this.element.children(":last");
}
this.activate(result);
} else {
this.activate(this.element.children(!this.active || this.last() ? ":first" : ":last"));
}
},
// TODO merge with nextPage
previousPage: function() {
if (this.hasScroll()) {
// TODO merge with no-scroll-else
if (!this.active || this.first()) {
this.activate(this.element.children(":last"));
return;
}
var base = this.active.offset().top,
height = this.element.height();
result = this.element.children("li").filter(function() {
var close = $(this).offset().top - base + height - $(this).height();
// TODO improve approximation
return close < 10 && close > -10;
});
// TODO try to catch this earlier when scrollTop indicates the last page anyway
if (!result.length) {
result = this.element.children(":first");
}
this.activate(result);
} else {
this.activate(this.element.children(!this.active || this.first() ? ":last" : ":first"));
}
},
hasScroll: function() {
return this.element.height() < this.element.attr("scrollHeight");
},
select: function() {
this._trigger("selected", null, { item: this.active });
}
});
}(jQuery));