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select2 with ajax source, fixes #264

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This commit is contained in:
vitalets
2013-06-22 21:01:26 +04:00
parent 80ce493ac0
commit a0fbbaf0af
5 changed files with 340 additions and 160 deletions
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262
src/inputs/select2/lib/select2.js vendored
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@@ -1,7 +1,7 @@
/*
/*
Copyright 2012 Igor Vaynberg
Version: 3.4.0 Timestamp: Tue May 14 08:27:33 PDT 2013
Version: @@ver@@ Timestamp: @@timestamp@@
This software is licensed under the Apache License, Version 2.0 (the "Apache License") or the GNU
General Public License version 2 (the "GPL License"). You may choose either license to govern your
@@ -47,7 +47,7 @@ the specific language governing permissions and limitations under the Apache Lic
}
var KEY, AbstractSelect2, SingleSelect2, MultiSelect2, nextUid, sizer,
lastMousePosition, $document, scrollBarDimensions,
lastMousePosition={x:0,y:0}, $document, scrollBarDimensions,
KEY = {
TAB: 9,
@@ -172,7 +172,8 @@ the specific language governing permissions and limitations under the Apache Lic
}
$document.on("mousemove", function (e) {
lastMousePosition = {x: e.pageX, y: e.pageY};
lastMousePosition.x = e.pageX;
lastMousePosition.y = e.pageY;
});
/**
@@ -355,6 +356,22 @@ the specific language governing permissions and limitations under the Apache Lic
markup.push(escapeMarkup(text.substring(match + tl, text.length)));
}
function defaultEscapeMarkup(markup) {
var replace_map = {
'\\': '\',
'&': '&',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#39;',
"/": '&#47;'
};
return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
return replace_map[match];
});
}
/**
* Produces an ajax-based query function
*
@@ -399,7 +416,7 @@ the specific language governing permissions and limitations under the Apache Lic
data = data ? data.call(self, query.term, query.page, query.context) : null;
url = (typeof url === 'function') ? url.call(self, query.term, query.page, query.context) : url;
if( null !== handler) { handler.abort(); }
if (handler) { handler.abort(); }
if (options.params) {
if ($.isFunction(options.params)) {
@@ -526,7 +543,7 @@ the specific language governing permissions and limitations under the Apache Lic
function checkFormatter(formatter, formatterName) {
if ($.isFunction(formatter)) return true;
if (!formatter) return false;
throw new Error("formatterName must be a function or a falsy value");
throw new Error(formatterName +" must be a function or a falsy value");
}
function evaluate(val) {
@@ -746,21 +763,24 @@ the specific language governing permissions and limitations under the Apache Lic
// abstract
destroy: function () {
var select2 = this.opts.element.data("select2");
var element=this.opts.element, select2 = element.data("select2");
if (this.propertyObserver) { delete this.propertyObserver; this.propertyObserver = null; }
if (select2 !== undefined) {
select2.container.remove();
select2.dropdown.remove();
select2.opts.element
element
.removeClass("select2-offscreen")
.removeData("select2")
.off(".select2")
.attr({"tabindex": this.elementTabIndex})
.prop("autofocus", this.autofocus||false)
.show();
.prop("autofocus", this.autofocus || false);
if (this.elementTabIndex) {
element.attr({tabindex: this.elementTabIndex});
} else {
element.removeAttr("tabindex");
}
element.show();
}
},
@@ -874,7 +894,7 @@ the specific language governing permissions and limitations under the Apache Lic
opts.query = this.bind(function (query) {
var data = { results: [], more: false },
term = query.term,
children, firstChild, process;
children, placeholderOption, process;
process=function(element, collection) {
var group;
@@ -895,9 +915,9 @@ the specific language governing permissions and limitations under the Apache Lic
// ignore the placeholder option if there is one
if (this.getPlaceholder() !== undefined && children.length > 0) {
firstChild = children[0];
if ($(firstChild).text() === "") {
children=children.not(firstChild);
placeholderOption = this.getPlaceholderOption();
if (placeholderOption) {
children=children.not(placeholderOption);
}
}
@@ -1201,7 +1221,7 @@ the specific language governing permissions and limitations under the Apache Lic
scroll = "scroll." + cid,
resize = "resize."+cid,
orient = "orientationchange."+cid,
mask;
mask, maskCss;
this.container.addClass("select2-dropdown-open").addClass("select2-container-active");
@@ -1218,7 +1238,7 @@ the specific language governing permissions and limitations under the Apache Lic
mask.attr("id","select2-drop-mask").attr("class","select2-drop-mask");
mask.hide();
mask.appendTo(this.body());
mask.on("mousedown touchstart", function (e) {
mask.on("mousedown touchstart click", function (e) {
var dropdown = $("#select2-drop"), self;
if (dropdown.length > 0) {
self=dropdown.data("select2");
@@ -1242,20 +1262,22 @@ the specific language governing permissions and limitations under the Apache Lic
this.dropdown.attr("id", "select2-drop");
// show the elements
mask.css(_makeMaskCss());
mask.show();
maskCss=_makeMaskCss();
mask.css(maskCss).show();
this.dropdown.show();
this.positionDropdown();
this.dropdown.addClass("select2-drop-active");
this.ensureHighlightVisible();
// attach listeners to events that can change the position of the container and thus require
// the position of the dropdown to be updated as well so it does not come unglued from the container
var that = this;
this.container.parents().add(window).each(function () {
$(this).on(resize+" "+scroll+" "+orient, function (e) {
$("#select2-drop-mask").css(_makeMaskCss());
var maskCss=_makeMaskCss();
$("#select2-drop-mask").css(maskCss);
that.positionDropdown();
});
});
@@ -1294,6 +1316,16 @@ the specific language governing permissions and limitations under the Apache Lic
this.opts.element.trigger($.Event("select2-close"));
},
/**
* Opens control, sets input value, and updates results.
*/
// abstract
externalSearch: function (term) {
this.open();
this.search.val(term);
this.updateResults(false);
},
// abstract
clearSearch: function () {
@@ -1487,7 +1519,6 @@ the specific language governing permissions and limitations under the Apache Lic
}
function postRender() {
results.scrollTop(0);
search.removeClass("select2-active");
self.positionDropdown();
}
@@ -1512,7 +1543,7 @@ the specific language governing permissions and limitations under the Apache Lic
} else {
render("");
}
if (initial) this.showSearch(true);
if (initial && this.showSearch) this.showSearch(true);
return;
}
@@ -1586,7 +1617,7 @@ the specific language governing permissions and limitations under the Apache Lic
postRender();
this.opts.element.trigger({ type: "select2-loaded", data:data });
this.opts.element.trigger({ type: "select2-loaded", items: data });
})});
},
@@ -1623,15 +1654,34 @@ the specific language governing permissions and limitations under the Apache Lic
if (data) {
this.highlight(index);
this.onSelect(data, options);
} else if (options.noFocus) {
this.close();
}
},
// abstract
getPlaceholder: function () {
var placeholderOption;
return this.opts.element.attr("placeholder") ||
this.opts.element.attr("data-placeholder") || // jquery 1.4 compat
this.opts.element.data("placeholder") ||
this.opts.placeholder;
this.opts.placeholder ||
((placeholderOption = this.getPlaceholderOption()) !== undefined ? placeholderOption.text() : undefined);
},
// abstract
getPlaceholderOption: function() {
if (this.select) {
var firstOption = this.select.children().first();
if (this.opts.placeholderOption !== undefined ) {
//Determine the placeholder option based on the specified placeholderOption setting
return (this.opts.placeholderOption === "first" && firstOption) ||
(typeof this.opts.placeholderOption === "function" && this.opts.placeholderOption(this.select));
} else if (firstOption.text() === "" && firstOption.val() === "") {
//No explicit placeholder option specified, use the first if it's blank
return firstOption;
}
}
},
/**
@@ -1662,12 +1712,12 @@ the specific language governing permissions and limitations under the Apache Lic
}
}
// next check if css('width') can resolve a width that is percent based, this is sometimes possible
// when attached to input type=hidden or elements hidden via css
style = this.opts.element.css('width');
if (style && style.length > 0) return style;
if (this.opts.width === "resolve") {
// next check if css('width') can resolve a width that is percent based, this is sometimes possible
// when attached to input type=hidden or elements hidden via css
style = this.opts.element.css('width');
if (style.indexOf("%") > 0) return style;
// finally, fallback on the calculated width of the element
return (this.opts.element.outerWidth(false) === 0 ? 'auto' : this.opts.element.outerWidth(false) + 'px');
}
@@ -1702,7 +1752,7 @@ the specific language governing permissions and limitations under the Apache Lic
"<input class='select2-focusser select2-offscreen' type='text'/>",
"<div class='select2-drop select2-display-none'>" ,
" <div class='select2-search'>" ,
" <input type='text' autocomplete='off' autocorrect='off' autocapitilize='off' spellcheck='false' class='select2-input'/>" ,
" <input type='text' autocomplete='off' autocorrect='off' autocapitalize='off' spellcheck='false' class='select2-input'/>" ,
" </div>" ,
" <ul class='select2-results'>" ,
" </ul>" ,
@@ -1719,8 +1769,14 @@ the specific language governing permissions and limitations under the Apache Lic
// single
opening: function () {
var el, range;
var el, range, len;
if (this.opts.minimumResultsForSearch >= 0) {
this.showSearch(true);
}
this.parent.opening.apply(this, arguments);
if (this.showSearchInput !== false) {
// IE appends focusser.val() at the end of field :/ so we manually insert it at the beginning using a range
// all other browsers handle this just fine
@@ -1728,13 +1784,16 @@ the specific language governing permissions and limitations under the Apache Lic
this.search.val(this.focusser.val());
}
this.search.focus();
// in IE we have to move the cursor to the end after focussing, otherwise it will be at the beginning and
// move the cursor to the end after focussing, otherwise it will be at the beginning and
// new text will appear *before* focusser.val()
el = this.search.get(0);
if (el.createTextRange) {
range = el.createTextRange();
range.collapse(false);
range.select();
} else if (el.setSelectionRange) {
len = this.search.val().length;
el.setSelectionRange(len, len);
}
this.focusser.prop("disabled", true).val("");
@@ -1779,7 +1838,11 @@ the specific language governing permissions and limitations under the Apache Lic
container = this.container,
dropdown = this.dropdown;
this.showSearch(false);
if (this.opts.minimumResultsForSearch < 0) {
this.showSearch(false);
} else {
this.showSearch(true);
}
this.selection = selection = container.find(".select2-choice");
@@ -1846,6 +1909,9 @@ the specific language governing permissions and limitations under the Apache Lic
if (e.which == KEY.DOWN || e.which == KEY.UP
|| (e.which == KEY.ENTER && this.opts.openOnEnter)) {
if (e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) return;
this.open();
killEvent(e);
return;
@@ -1863,9 +1929,11 @@ the specific language governing permissions and limitations under the Apache Lic
installKeyUpChangeEvent(this.focusser);
this.focusser.on("keyup-change input", this.bind(function(e) {
e.stopPropagation();
if (this.opened()) return;
this.open();
if (this.opts.minimumResultsForSearch >= 0) {
e.stopPropagation();
if (this.opened()) return;
this.open();
}
}));
selection.on("mousedown", "abbr", this.bind(function (e) {
@@ -1925,7 +1993,8 @@ the specific language governing permissions and limitations under the Apache Lic
clear: function(triggerChange) {
var data=this.selection.data("select2-data");
if (data) { // guard against queued quick consecutive clicks
this.opts.element.val("");
var placeholderOption = this.getPlaceholderOption();
this.opts.element.val(placeholderOption ? placeholderOption.val() : "");
this.selection.find("span").empty();
this.selection.removeData("select2-data");
this.setPlaceholder();
@@ -1943,7 +2012,7 @@ the specific language governing permissions and limitations under the Apache Lic
// single
initSelection: function () {
var selected;
if (this.opts.element.val() === "" && this.opts.element.text() === "") {
if (this.isPlaceholderOptionSelected()) {
this.updateSelection([]);
this.close();
this.setPlaceholder();
@@ -1959,6 +2028,14 @@ the specific language governing permissions and limitations under the Apache Lic
}
},
isPlaceholderOptionSelected: function() {
var placeholderOption;
return ((placeholderOption = this.getPlaceholderOption()) !== undefined && placeholderOption.is(':selected')) ||
(this.opts.element.val() === "") ||
(this.opts.element.val() === undefined) ||
(this.opts.element.val() === null);
},
// single
prepareOpts: function () {
var opts = this.parent.prepareOpts.apply(this, arguments),
@@ -1997,9 +2074,9 @@ the specific language governing permissions and limitations under the Apache Lic
// single
getPlaceholder: function() {
// if a placeholder is specified on a single select without the first empty option ignore it
// if a placeholder is specified on a single select without a valid placeholder option ignore it
if (this.select) {
if (this.select.find("option").first().text() !== "") {
if (this.getPlaceholderOption() === undefined) {
return undefined;
}
}
@@ -2011,10 +2088,10 @@ the specific language governing permissions and limitations under the Apache Lic
setPlaceholder: function () {
var placeholder = this.getPlaceholder();
if (this.opts.element.val() === "" && placeholder !== undefined) {
if (this.isPlaceholderOptionSelected() && placeholder !== undefined) {
// check for a first blank option if attached to a select
if (this.select && this.select.find("option:first").text() !== "") return;
// check for a placeholder option if attached to a select
if (this.select && this.getPlaceholderOption() === undefined) return;
this.selection.find("span").html(this.opts.escapeMarkup(placeholder));
@@ -2039,22 +2116,27 @@ the specific language governing permissions and limitations under the Apache Lic
// and highlight it
if (noHighlightUpdate !== false) {
this.highlight(selected);
}
// show the search box if this is the first we got the results and there are enough of them for search
if (initial === true && this.showSearchInput === false) {
var min=this.opts.minimumResultsForSearch;
if (min>=0) {
this.showSearch(countResults(data.results)>=min);
if (initial === true && selected >= 0) {
this.highlight(selected);
} else {
this.highlight(0);
}
}
// hide the search box if this is the first we got the results and there are enough of them for search
if (initial === true) {
var min = this.opts.minimumResultsForSearch;
if (min >= 0) {
this.showSearch(countResults(data.results) >= min);
}
}
},
// single
showSearch: function(showSearchInput) {
if (this.showSearchInput === showSearchInput) return;
this.showSearchInput = showSearchInput;
this.dropdown.find(".select2-search").toggleClass("select2-search-hidden", !showSearchInput);
@@ -2087,7 +2169,7 @@ the specific language governing permissions and limitations under the Apache Lic
// single
updateSelection: function (data) {
var container=this.selection.find("span"), formatted;
var container=this.selection.find("span"), formatted, cssClass;
this.selection.data("select2-data", data);
@@ -2096,6 +2178,10 @@ the specific language governing permissions and limitations under the Apache Lic
if (formatted !== undefined) {
container.append(this.opts.escapeMarkup(formatted));
}
cssClass=this.opts.formatSelectionCssClass(data, container);
if (cssClass !== undefined) {
container.addClass(cssClass);
}
this.selection.removeClass("select2-default");
@@ -2135,14 +2221,14 @@ the specific language governing permissions and limitations under the Apache Lic
this.triggerChange({added: data, removed:oldData});
}
} else {
if (this.opts.initSelection === undefined) {
throw new Error("cannot call val() if initSelection() is not defined");
}
// val is an id. !val is true for [undefined,null,'',0] - 0 is legal
if (!val && val !== 0) {
this.clear(triggerChange);
return;
}
if (this.opts.initSelection === undefined) {
throw new Error("cannot call val() if initSelection() is not defined");
}
this.opts.element.val(val);
this.opts.initSelection(this.opts.element, function(data){
self.opts.element.val(!data ? "" : self.id(data));
@@ -2374,6 +2460,7 @@ the specific language governing permissions and limitations under the Apache Lic
return;
case KEY.TAB:
this.selectHighlighted({noFocus:true});
this.close();
return;
case KEY.ESC:
this.cancel(e);
@@ -2424,7 +2511,7 @@ the specific language governing permissions and limitations under the Apache Lic
this.opts.element.trigger($.Event("select2-blur"));
}));
this.container.on("mousedown", selector, this.bind(function (e) {
this.container.on("click", selector, this.bind(function (e) {
if (!this.isInterfaceEnabled()) return;
if ($(e.target).closest(".select2-search-choice").length > 0) {
// clicked inside a select2 search choice, do not open
@@ -2632,11 +2719,16 @@ the specific language governing permissions and limitations under the Apache Lic
var choice = enableChoice ? enabledItem : disabledItem,
id = this.id(data),
val = this.getVal(),
formatted;
formatted,
cssClass;
formatted=this.opts.formatSelection(data, choice.find("div"));
if (formatted != undefined) {
choice.find("div").replaceWith("<div title='"+this.opts.escapeMarkup(formatted)+"'>"+this.opts.escapeMarkup(formatted)+"</div>");
choice.find("div").replaceWith("<div>"+this.opts.escapeMarkup(formatted)+"</div>");
}
cssClass=this.opts.formatSelectionCssClass(data, choice.find("div"));
if (cssClass != undefined) {
choice.addClass(cssClass);
}
if(enableChoice){
@@ -2729,7 +2821,11 @@ the specific language governing permissions and limitations under the Apache Lic
//If all results are chosen render formatNoMAtches
if(!this.opts.createSearchChoice && !choices.filter('.select2-result:not(.select2-selected)').length > 0){
this.results.append("<li class='select2-no-results'>" + self.opts.formatNoMatches(self.search.val()) + "</li>");
if(!data || data && !data.more && this.results.find(".select2-no-results").length === 0) {
if (checkFormatter(self.opts.formatNoMatches, "formatNoMatches")) {
this.results.append("<li class='select2-no-results'>" + self.opts.formatNoMatches(self.search.val()) + "</li>");
}
}
}
},
@@ -2852,7 +2948,7 @@ the specific language governing permissions and limitations under the Apache Lic
}
this.opts.initSelection(this.opts.element, function(data){
var ids=$(data).map(self.id);
var ids=$.map(data, self.id);
self.setVal(ids);
self.updateSelection(data);
self.clearSearch();
@@ -2924,9 +3020,10 @@ the specific language governing permissions and limitations under the Apache Lic
var args = Array.prototype.slice.call(arguments, 0),
opts,
select2,
value, multiple,
allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "onSortStart", "onSortEnd", "enable", "readonly", "positionDropdown", "data"],
valueMethods = ["val", "opened", "isFocused", "container", "data"];
method, value, multiple,
allowedMethods = ["val", "destroy", "opened", "open", "close", "focus", "isFocused", "container", "dropdown", "onSortStart", "onSortEnd", "enable", "readonly", "positionDropdown", "data", "search"],
valueMethods = ["val", "opened", "isFocused", "container", "data"],
methodsMap = { search: "externalSearch" };
this.each(function () {
if (args.length === 0 || typeof(args[0]) === "object") {
@@ -2951,10 +3048,17 @@ the specific language governing permissions and limitations under the Apache Lic
value = undefined;
select2 = $(this).data("select2");
if (select2 === undefined) return;
if (args[0] === "container") {
value=select2.container;
method=args[0];
if (method === "container") {
value = select2.container;
} else if (method === "dropdown") {
value = select2.dropdown;
} else {
value = select2[args[0]].apply(select2, args.slice(1));
if (methodsMap[method]) method = methodsMap[method];
value = select2[method].apply(select2, args.slice(1));
}
if (indexOf(args[0], valueMethods) >= 0) {
return false;
@@ -2988,6 +3092,7 @@ the specific language governing permissions and limitations under the Apache Lic
return results;
},
formatResultCssClass: function(data) {return undefined;},
formatSelectionCssClass: function(data, container) {return undefined;},
formatNoMatches: function () { return "No matches found"; },
formatInputTooShort: function (input, min) { var n = min - input.length; return "Please enter " + n + " more character" + (n == 1? "" : "s"); },
formatInputTooLong: function (input, max) { var n = input.length - max; return "Please delete " + n + " character" + (n == 1? "" : "s"); },
@@ -3005,21 +3110,7 @@ the specific language governing permissions and limitations under the Apache Lic
separator: ",",
tokenSeparators: [],
tokenizer: defaultTokenizer,
escapeMarkup: function (markup) {
var replace_map = {
'\\': '&#92;',
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#39;',
"/": '&#47;'
};
return String(markup).replace(/[&<>"'\/\\]/g, function (match) {
return replace_map[match];
});
},
escapeMarkup: defaultEscapeMarkup,
blurOnChange: false,
selectOnBlur: false,
adaptContainerCssClass: function(c) { return c; },
@@ -3043,7 +3134,8 @@ the specific language governing permissions and limitations under the Apache Lic
tags: tags
}, util: {
debounce: debounce,
markMatch: markMatch
markMatch: markMatch,
escapeMarkup: defaultEscapeMarkup
}, "class": {
"abstract": AbstractSelect2,
"single": SingleSelect2,