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Always use the latest version of prototype.

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Patrick Filler 2011-07-19 16:23:29 -04:00
parent 48c3dd229d
commit 6659b47b75
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chosen/chosen.proto.js
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(function() {
/*
Chosen, a Select Box Enhancer for jQuery and Protoype
by Patrick Filler for Harvest, http://getharvest.com
Available for use under the MIT License, http://en.wikipedia.org/wiki/MIT_License
Copyright (c) 2011 by Harvest
*/ var Chosen, SelectParser, get_side_border_padding, root;
var __bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };
root = typeof exports !== "undefined" && exports !== null ? exports : this;
Chosen = (function() {
function Chosen(elmn) {
this.set_default_values();
this.form_field = elmn;
this.is_multiple = this.form_field.multiple;
this.default_text_default = this.form_field.multiple ? "Select Some Options" : "Select an Option";
this.set_up_html();
this.register_observers();
}
Chosen.prototype.set_default_values = function() {
this.click_test_action = __bind(function(evt) {
return this.test_active_click(evt);
}, this);
this.active_field = false;
this.mouse_on_container = false;
this.results_showing = false;
this.result_highlighted = null;
this.result_single_selected = null;
this.choices = 0;
this.single_temp = new Template('<a href="#" class="chzn-single"><span>#{default}</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" /></div><ul class="chzn-results"></ul></div>');
this.multi_temp = new Template('<ul class="chzn-choices"><li class="search-field"><input type="text" value="#{default}" class="default" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>');
this.choice_temp = new Template('<li class="search-choice" id="#{id}"><span>#{choice}</span><a href="#" class="search-choice-close" rel="#{position}"></a></li>');
return this.no_results_temp = new Template('<li class="no-results">No results match "<span>#{terms}</span>"</li>');
};
Chosen.prototype.set_up_html = function() {
var base_template, container_props, dd_top, dd_width, sf_width;
this.container_id = this.form_field.id + "_chzn";
this.f_width = this.form_field.getStyle("width") ? parseInt(this.form_field.getStyle("width"), 10) : this.form_field.getWidth();
container_props = {
'id': this.container_id,
'class': 'chzn-container',
'style': 'width: ' + this.f_width + 'px'
};
this.default_text = this.form_field.readAttribute('title') ? this.form_field.readAttribute('title') : this.default_text_default;
base_template = this.is_multiple ? new Element('div', container_props).update(this.multi_temp.evaluate({
"default": this.default_text
})) : new Element('div', container_props).update(this.single_temp.evaluate({
"default": this.default_text
}));
this.form_field.hide().insert({
after: base_template
});
this.container = $(this.container_id);
this.container.addClassName("chzn-container-" + (this.is_multiple ? "multi" : "single"));
this.dropdown = this.container.down('div.chzn-drop');
dd_top = this.container.getHeight();
dd_width = this.f_width - get_side_border_padding(this.dropdown);
this.dropdown.setStyle({
"width": dd_width + "px",
"top": dd_top + "px"
});
this.search_field = this.container.down('input');
this.search_results = this.container.down('ul.chzn-results');
this.search_field_scale();
this.search_no_results = this.container.down('li.no-results');
if (this.is_multiple) {
this.search_choices = this.container.down('ul.chzn-choices');
this.search_container = this.container.down('li.search-field');
} else {
this.search_container = this.container.down('div.chzn-search');
this.selected_item = this.container.down('.chzn-single');
sf_width = dd_width - get_side_border_padding(this.search_container) - get_side_border_padding(this.search_field);
this.search_field.setStyle({
"width": sf_width + "px"
});
}
this.results_build();
return this.set_tab_index();
};
Chosen.prototype.register_observers = function() {
this.container.observe("click", __bind(function(evt) {
return this.container_click(evt);
}, this));
this.container.observe("mouseenter", __bind(function(evt) {
return this.mouse_enter(evt);
}, this));
this.container.observe("mouseleave", __bind(function(evt) {
return this.mouse_leave(evt);
}, this));
this.search_results.observe("click", __bind(function(evt) {
return this.search_results_click(evt);
}, this));
this.search_results.observe("mouseover", __bind(function(evt) {
return this.search_results_mouseover(evt);
}, this));
this.search_results.observe("mouseout", __bind(function(evt) {
return this.search_results_mouseout(evt);
}, this));
this.form_field.observe("liszt:updated", __bind(function(evt) {
return this.results_update_field(evt);
}, this));
this.search_field.observe("blur", __bind(function(evt) {
return this.input_blur(evt);
}, this));
this.search_field.observe("keyup", __bind(function(evt) {
return this.keyup_checker(evt);
}, this));
this.search_field.observe("keydown", __bind(function(evt) {
return this.keydown_checker(evt);
}, this));
if (this.is_multiple) {
this.search_choices.observe("click", __bind(function(evt) {
return this.choices_click(evt);
}, this));
return this.search_field.observe("focus", __bind(function(evt) {
return this.input_focus(evt);
}, this));
} else {
return this.selected_item.observe("focus", __bind(function(evt) {
return this.activate_field(evt);
}, this));
}
};
Chosen.prototype.container_click = function(evt) {
if (evt && evt.type === "click") {
evt.stop();
}
if (!this.pending_destroy_click) {
if (!this.active_field) {
if (this.is_multiple) {
this.search_field.clear();
}
document.observe("click", this.click_test_action);
this.results_show();
} else if (!this.is_multiple && evt && (evt.target === this.selected_item || evt.target.up("a.chzn-single"))) {
this.results_toggle();
}
return this.activate_field();
} else {
return this.pending_destroy_click = false;
}
};
Chosen.prototype.mouse_enter = function() {
return this.mouse_on_container = true;
};
Chosen.prototype.mouse_leave = function() {
return this.mouse_on_container = false;
};
Chosen.prototype.input_focus = function(evt) {
if (!this.active_field) {
return setTimeout(this.container_click.bind(this), 50);
}
};
Chosen.prototype.input_blur = function(evt) {
if (!this.mouse_on_container) {
this.active_field = false;
return setTimeout(this.blur_test.bind(this), 100);
}
};
Chosen.prototype.blur_test = function(evt) {
if (!this.active_field && this.container.hasClassName("chzn-container-active")) {
return this.close_field();
}
};
Chosen.prototype.close_field = function() {
document.stopObserving("click", this.click_test_action);
if (!this.is_multiple) {
this.selected_item.tabIndex = this.search_field.tabIndex;
this.search_field.tabIndex = -1;
}
this.active_field = false;
this.results_hide();
this.container.removeClassName("chzn-container-active");
this.winnow_results_clear();
this.clear_backstroke();
this.show_search_field_default();
return this.search_field_scale();
};
Chosen.prototype.activate_field = function() {
if (!this.is_multiple && !this.active_field) {
this.search_field.tabIndex = this.selected_item.tabIndex;
this.selected_item.tabIndex = -1;
}
this.container.addClassName("chzn-container-active");
this.active_field = true;
this.search_field.value = this.search_field.value;
return this.search_field.focus();
};
Chosen.prototype.test_active_click = function(evt) {
if (evt.target.up('#' + this.container.id)) {
return this.active_field = true;
} else {
return this.close_field();
}
};
Chosen.prototype.results_build = function() {
var content, data, startTime, _i, _len, _ref;
startTime = new Date();
this.parsing = true;
this.results_data = SelectParser.select_to_array(this.form_field);
if (this.is_multiple && this.choices > 0) {
this.search_choices.select("li.search-choice").invoke("remove");
this.choices = 0;
} else if (!this.is_multiple) {
this.selected_item.down("span").update(this.default_text);
}
content = '';
_ref = this.results_data;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
data = _ref[_i];
if (data.group) {
content += this.result_add_group(data);
} else if (!data.empty) {
content += this.result_add_option(data);
if (data.selected && this.is_multiple) {
this.choice_build(data);
} else if (data.selected && !this.is_multiple) {
this.selected_item.down("span").update(data.text);
}
}
}
this.show_search_field_default();
this.search_results.update(content);
return this.parsing = false;
};
Chosen.prototype.result_add_group = function(group) {
if (!group.disabled) {
group.dom_id = this.form_field.id + "chzn_g_" + group.array_index;
return '<li id="' + group.dom_id + '" class="group-result">' + group.label.escapeHTML() + '</li>';
} else {
return "";
}
};
Chosen.prototype.result_add_option = function(option) {
var classes;
if (!option.disabled) {
option.dom_id = this.form_field.id + "chzn_o_" + option.array_index;
classes = option.selected && this.is_multiple ? [] : ["active-result"];
if (option.selected) {
classes.push("result-selected");
}
if (option.group_array_index != null) {
classes.push("group-option");
}
return '<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.text.escapeHTML() + '</li>';
} else {
return "";
}
};
Chosen.prototype.results_update_field = function() {
this.result_clear_highlight();
this.result_single_selected = null;
return this.results_build();
};
Chosen.prototype.result_do_highlight = function(el) {
var high_bottom, high_top, maxHeight, visible_bottom, visible_top;
this.result_clear_highlight();
this.result_highlight = el;
this.result_highlight.addClassName("highlighted");
maxHeight = parseInt(this.search_results.getStyle('maxHeight'), 10);
visible_top = this.search_results.scrollTop;
visible_bottom = maxHeight + visible_top;
high_top = this.result_highlight.positionedOffset().top;
high_bottom = high_top + this.result_highlight.getHeight();
if (high_bottom >= visible_bottom) {
return this.search_results.scrollTop = (high_bottom - maxHeight) > 0 ? high_bottom - maxHeight : 0;
} else if (high_top < visible_top) {
return this.search_results.scrollTop = high_top;
}
};
Chosen.prototype.result_clear_highlight = function() {
if (this.result_highlight) {
this.result_highlight.removeClassName('highlighted');
}
return this.result_highlight = null;
};
Chosen.prototype.results_toggle = function() {
if (this.results_showing) {
return this.results_hide();
} else {
return this.results_show();
}
};
Chosen.prototype.results_show = function() {
var dd_top;
if (!this.is_multiple) {
this.selected_item.addClassName('chzn-single-with-drop');
if (this.result_single_selected) {
this.result_do_highlight(this.result_single_selected);
}
}
dd_top = this.is_multiple ? this.container.getHeight() : this.container.getHeight() - 1;
this.dropdown.setStyle({
"top": dd_top + "px",
"left": 0
});
this.results_showing = true;
this.search_field.focus();
this.search_field.value = this.search_field.value;
return this.winnow_results();
};
Chosen.prototype.results_hide = function() {
if (!this.is_multiple) {
this.selected_item.removeClassName('chzn-single-with-drop');
}
this.result_clear_highlight();
this.dropdown.setStyle({
"left": "-9000px"
});
return this.results_showing = false;
};
Chosen.prototype.set_tab_index = function(el) {
var ti;
if (this.form_field.tabIndex) {
ti = this.form_field.tabIndex;
this.form_field.tabIndex = -1;
if (this.is_multiple) {
return this.search_field.tabIndex = ti;
} else {
this.selected_item.tabIndex = ti;
return this.search_field.tabIndex = -1;
}
}
};
Chosen.prototype.show_search_field_default = function() {
if (this.is_multiple && this.choices < 1 && !this.active_field) {
this.search_field.value = this.default_text;
return this.search_field.addClassName("default");
} else {
this.search_field.value = "";
return this.search_field.removeClassName("default");
}
};
Chosen.prototype.search_results_click = function(evt) {
var target;
target = evt.target.hasClassName("active-result") ? evt.target : evt.target.up(".active-result");
if (target) {
this.result_highlight = target;
return this.result_select();
}
};
Chosen.prototype.search_results_mouseover = function(evt) {
var target;
target = evt.target.hasClassName("active-result") ? evt.target : evt.target.up(".active-result");
if (target) {
return this.result_do_highlight(target);
}
};
Chosen.prototype.search_results_mouseout = function(evt) {
if (evt.target.hasClassName('active-result') || evt.target.up('.active-result')) {
return this.result_clear_highlight();
}
};
Chosen.prototype.choices_click = function(evt) {
evt.preventDefault();
if (this.active_field && !(evt.target.hasClassName('search-choice') || evt.target.up('.search-choice')) && !this.results_showing) {
return this.results_show();
}
};
Chosen.prototype.choice_build = function(item) {
var choice_id, link;
choice_id = this.form_field.id + "_chzn_c_" + item.array_index;
this.choices += 1;
this.search_container.insert({
before: this.choice_temp.evaluate({
"id": choice_id,
"choice": item.text,
"position": item.array_index
})
});
link = $(choice_id).down('a');
return link.observe("click", __bind(function(evt) {
return this.choice_destroy_link_click(evt);
}, this));
};
Chosen.prototype.choice_destroy_link_click = function(evt) {
evt.preventDefault();
this.pending_destroy_click = true;
return this.choice_destroy(evt.target);
};
Chosen.prototype.choice_destroy = function(link) {
this.choices -= 1;
this.show_search_field_default();
if (this.is_multiple && this.choices > 0 && this.search_field.value.length < 1) {
this.results_hide();
}
this.result_deselect(link.readAttribute("rel"));
return link.up('li').remove();
};
Chosen.prototype.result_select = function() {
var high, item, position;
if (this.result_highlight) {
high = this.result_highlight;
this.result_clear_highlight();
high.addClassName("result-selected");
if (this.is_multiple) {
this.result_deactivate(high);
} else {
this.result_single_selected = high;
}
position = high.id.substr(high.id.lastIndexOf("_") + 1);
item = this.results_data[position];
item.selected = true;
this.form_field.options[item.options_index].selected = true;
if (this.is_multiple) {
this.choice_build(item);
} else {
this.selected_item.down("span").update(item.text);
}
this.results_hide();
this.search_field.value = "";
if (typeof Event.simulate === 'function') {
this.form_field.simulate("change");
}
return this.search_field_scale();
}
};
Chosen.prototype.result_activate = function(el) {
return el.addClassName("active-result").show();
};
Chosen.prototype.result_deactivate = function(el) {
return el.removeClassName("active-result").hide();
};
Chosen.prototype.result_deselect = function(pos) {
var result, result_data;
result_data = this.results_data[pos];
result_data.selected = false;
this.form_field.options[result_data.options_index].selected = false;
result = $(this.form_field.id + "chzn_o_" + pos);
result.removeClassName("result-selected").addClassName("active-result").show();
this.result_clear_highlight();
this.winnow_results();
if (typeof Event.simulate === 'function') {
this.form_field.simulate("change");
}
return this.search_field_scale();
};
Chosen.prototype.results_search = function(evt) {
if (this.results_showing) {
return this.winnow_results();
} else {
return this.results_show();
}
};
Chosen.prototype.winnow_results = function() {
var found, option, part, parts, regex, result_id, results, searchText, startTime, startpos, text, zregex, _i, _j, _len, _len2, _ref;
startTime = new Date();
this.no_results_clear();
results = 0;
searchText = this.search_field.value === this.default_text ? "" : this.search_field.value.strip();
regex = new RegExp('^' + searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i');
zregex = new RegExp(searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i');
_ref = this.results_data;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
option = _ref[_i];
if (!option.disabled && !option.empty) {
if (option.group) {
$(option.dom_id).hide();
} else if (!(this.is_multiple && option.selected)) {
found = false;
result_id = option.dom_id;
if (regex.test(option.text)) {
found = true;
results += 1;
} else if (option.text.indexOf(" ") >= 0 || option.text.indexOf("[") === 0) {
parts = option.text.replace(/\[|\]/g, "").split(" ");
if (parts.length) {
for (_j = 0, _len2 = parts.length; _j < _len2; _j++) {
part = parts[_j];
if (regex.test(part)) {
found = true;
results += 1;
}
}
}
}
if (found) {
if (searchText.length) {
startpos = option.text.search(zregex);
text = option.text.substr(0, startpos + searchText.length) + '</em>' + option.text.substr(startpos + searchText.length);
text = text.substr(0, startpos) + '<em>' + text.substr(startpos);
} else {
text = option.text;
}
if ($(result_id).innerHTML !== text) {
$(result_id).update(text);
}
this.result_activate($(result_id));
if (option.group_array_index != null) {
$(this.results_data[option.group_array_index].dom_id).show();
}
} else {
if ($(result_id) === this.result_highlight) {
this.result_clear_highlight();
}
this.result_deactivate($(result_id));
}
}
}
}
if (results < 1 && searchText.length) {
return this.no_results(searchText);
} else {
return this.winnow_results_set_highlight();
}
};
Chosen.prototype.winnow_results_clear = function() {
var li, lis, _i, _len, _results;
this.search_field.clear();
lis = this.search_results.select("li");
_results = [];
for (_i = 0, _len = lis.length; _i < _len; _i++) {
li = lis[_i];
_results.push(li.hasClassName("group-result") ? li.show() : !this.is_multiple || !li.hasClassName("result-selected") ? this.result_activate(li) : void 0);
}
return _results;
};
Chosen.prototype.winnow_results_set_highlight = function() {
var do_high;
if (!this.result_highlight) {
do_high = this.search_results.down(".active-result");
if (do_high) {
return this.result_do_highlight(do_high);
}
}
};
Chosen.prototype.no_results = function(terms) {
return this.search_results.insert(this.no_results_temp.evaluate({
"terms": terms.escapeHTML()
}));
};
Chosen.prototype.no_results_clear = function() {
var nr, _results;
nr = null;
_results = [];
while (nr = this.search_results.down(".no-results")) {
_results.push(nr.remove());
}
return _results;
};
Chosen.prototype.keydown_arrow = function() {
var actives, nexts, sibs;
actives = this.search_results.select("li.active-result");
if (actives.length) {
if (!this.result_highlight) {
this.result_do_highlight(actives.first());
} else if (this.results_showing) {
sibs = this.result_highlight.nextSiblings();
nexts = sibs.intersect(actives);
if (nexts.length) {
this.result_do_highlight(nexts.first());
}
}
if (!this.results_showing) {
return this.results_show();
}
}
};
Chosen.prototype.keyup_arrow = function() {
var actives, prevs, sibs;
if (!this.results_showing && !this.is_multiple) {
return this.results_show();
} else if (this.result_highlight) {
sibs = this.result_highlight.previousSiblings();
actives = this.search_results.select("li.active-result");
prevs = sibs.intersect(actives);
if (prevs.length) {
return this.result_do_highlight(prevs.first());
} else {
if (this.choices > 0) {
this.results_hide();
}
return this.result_clear_highlight();
}
}
};
Chosen.prototype.keydown_backstroke = function() {
if (this.pending_backstroke) {
this.choice_destroy(this.pending_backstroke.down("a"));
return this.clear_backstroke();
} else {
this.pending_backstroke = this.search_container.siblings("li.search-choice").last();
return this.pending_backstroke.addClassName("search-choice-focus");
}
};
Chosen.prototype.clear_backstroke = function() {
if (this.pending_backstroke) {
this.pending_backstroke.removeClassName("search-choice-focus");
}
return this.pending_backstroke = null;
};
Chosen.prototype.keyup_checker = function(evt) {
var stroke, _ref;
stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
this.search_field_scale();
switch (stroke) {
case 8:
if (this.is_multiple && this.backstroke_length < 1 && this.choices > 0) {
return this.keydown_backstroke();
} else if (!this.pending_backstroke) {
this.result_clear_highlight();
return this.results_search();
}
break;
case 13:
evt.preventDefault();
if (this.results_showing) {
return this.result_select();
}
break;
case 9:
case 13:
case 38:
case 40:
case 16:
break;
default:
return this.results_search();
}
};
Chosen.prototype.keydown_checker = function(evt) {
var stroke, _ref;
stroke = (_ref = evt.which) != null ? _ref : evt.keyCode;
this.search_field_scale();
if (stroke !== 8 && this.pending_backstroke) {
this.clear_backstroke();
}
switch (stroke) {
case 8:
return this.backstroke_length = this.search_field.value.length;
case 9:
return this.mouse_on_container = false;
case 13:
return evt.preventDefault();
case 38:
evt.preventDefault();
return this.keyup_arrow();
case 40:
return this.keydown_arrow();
}
};
Chosen.prototype.search_field_scale = function() {
var dd_top, div, h, style, style_block, styles, w, _i, _len;
if (this.is_multiple) {
h = 0;
w = 0;
style_block = "position:absolute; left: -1000px; top: -1000px; display:none;";
styles = ['font-size', 'font-style', 'font-weight', 'font-family', 'line-height', 'text-transform', 'letter-spacing'];
for (_i = 0, _len = styles.length; _i < _len; _i++) {
style = styles[_i];
style_block += style + ":" + this.search_field.getStyle(style) + ";";
}
div = new Element('div', {
'style': style_block
}).update(this.search_field.value);
document.body.appendChild(div);
w = Element.measure(div, 'width') + 25;
div.remove();
if (w > this.f_width - 10) {
w = this.f_width - 10;
}
this.search_field.setStyle({
'width': w + 'px'
});
dd_top = this.container.getHeight();
return this.dropdown.setStyle({
"top": dd_top + "px"
});
}
};
return Chosen;
})();
root.Chosen = Chosen;
document.observe('dom:loaded', function(evt) {
var select, selects, _i, _len, _results;
selects = $$(".chzn-select");
_results = [];
for (_i = 0, _len = selects.length; _i < _len; _i++) {
select = selects[_i];
_results.push(new Chosen(select));
}
return _results;
});
get_side_border_padding = function(elmt) {
var layout, side_border_padding;
layout = new Element.Layout(elmt);
return side_border_padding = layout.get("border-left") + layout.get("border-right") + layout.get("padding-left") + layout.get("padding-right");
};
root.get_side_border_padding = get_side_border_padding;
root = typeof exports !== "undefined" && exports !== null ? exports : this;
SelectParser = (function() {
function SelectParser() {
this.options_index = 0;
this.parsed = [];
}
SelectParser.prototype.add_node = function(child) {
if (child.nodeName === "OPTGROUP") {
return this.add_group(child);
} else {
return this.add_option(child);
}
};
SelectParser.prototype.add_group = function(group) {
var group_position, option, _i, _len, _ref, _results;
group_position = this.parsed.length;
this.parsed.push({
array_index: group_position,
group: true,
label: group.label,
children: 0,
disabled: group.disabled
});
_ref = group.childNodes;
_results = [];
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
option = _ref[_i];
_results.push(this.add_option(option, group_position, group.disabled));
}
return _results;
};
SelectParser.prototype.add_option = function(option, group_position, group_disabled) {
var _ref;
if (option.nodeName === "OPTION") {
if (option.text !== "") {
if (group_position != null) {
this.parsed[group_position].children += 1;
}
this.parsed.push({
array_index: this.parsed.length,
options_index: this.options_index,
value: option.value,
text: option.text,
selected: option.selected,
disabled: (_ref = group_disabled === true) != null ? _ref : {
group_disabled: option.disabled
},
group_array_index: group_position
});
} else {
this.parsed.push({
array_index: this.parsed.length,
options_index: this.options_index,
empty: true
});
}
return this.options_index += 1;
}
};
return SelectParser;
})();
SelectParser.select_to_array = function(select) {
var child, parser, _i, _len, _ref;
parser = new SelectParser();
_ref = select.childNodes;
for (_i = 0, _len = _ref.length; _i < _len; _i++) {
child = _ref[_i];
parser.add_node(child);
}
return parser.parsed;
};
root.SelectParser = SelectParser;
}).call(this);

2
index.html
View file

@ -1196,7 +1196,7 @@
</div>
<script src="https://ajax.googleapis.com/ajax/libs/prototype/1.7.0.0/prototype.js"></script>
<script src="chosen/chosen.proto.js"></script>
<script src="https://raw.github.com/harvesthq/chosen/master/chosen/chosen.proto.js"></script>
<script type="text/javascript">