600 lines
19 KiB
CoffeeScript
600 lines
19 KiB
CoffeeScript
###
|
|
Chosen source: generate output using 'cake build'
|
|
Copyright (c) 2011 by Harvest
|
|
###
|
|
root = this
|
|
$ = jQuery
|
|
|
|
$.fn.extend({
|
|
chosen: (data, options) ->
|
|
$(this).each((input_field) ->
|
|
new Chosen(this, data, options) unless ($ this).hasClass "chzn-done"
|
|
)
|
|
})
|
|
|
|
class Chosen
|
|
|
|
constructor: (elmn) ->
|
|
this.set_default_values()
|
|
|
|
@form_field = elmn
|
|
@form_field_jq = $ @form_field
|
|
@is_multiple = @form_field.multiple
|
|
@is_rtl = @form_field_jq.hasClass "chzn-rtl"
|
|
|
|
@default_text_default = if @form_field.multiple then "Select Some Options" else "Select an Option"
|
|
|
|
this.set_up_html()
|
|
this.register_observers()
|
|
@form_field_jq.addClass "chzn-done"
|
|
|
|
set_default_values: ->
|
|
|
|
@click_test_action = (evt) => this.test_active_click(evt)
|
|
@active_field = false
|
|
@mouse_on_container = false
|
|
@results_showing = false
|
|
@result_highlighted = null
|
|
@result_single_selected = null
|
|
@choices = 0
|
|
|
|
set_up_html: ->
|
|
@container_id = if @form_field.id.length then @form_field.id.replace(/(:|\.)/g, '_') else this.generate_field_id()
|
|
@container_id += "_chzn"
|
|
|
|
@f_width = @form_field_jq.width()
|
|
|
|
@default_text = if @form_field_jq.data 'placeholder' then @form_field_jq.data 'placeholder' else @default_text_default
|
|
|
|
container_div = ($ "<div />", {
|
|
id: @container_id
|
|
class: "chzn-container #{ if @is_rtl then 'chzn-rtl' else '' }"
|
|
style: 'width: ' + (@f_width) + 'px;' #use parens around @f_width so coffeescript doesn't think + ' px' is a function parameter
|
|
})
|
|
|
|
if @is_multiple
|
|
container_div.html '<ul class="chzn-choices"><li class="search-field"><input type="text" value="' + @default_text + '" class="default" autocomplete="off" style="width:25px;" /></li></ul><div class="chzn-drop" style="left:-9000px;"><ul class="chzn-results"></ul></div>'
|
|
else
|
|
container_div.html '<a href="javascript:void(0)" class="chzn-single"><span>' + @default_text + '</span><div><b></b></div></a><div class="chzn-drop" style="left:-9000px;"><div class="chzn-search"><input type="text" autocomplete="off" /></div><ul class="chzn-results"></ul></div>'
|
|
|
|
@form_field_jq.hide().after container_div
|
|
@container = ($ '#' + @container_id)
|
|
@container.addClass( "chzn-container-" + (if @is_multiple then "multi" else "single") )
|
|
@dropdown = @container.find('div.chzn-drop').first()
|
|
|
|
dd_top = @container.height()
|
|
dd_width = (@f_width - get_side_border_padding(@dropdown))
|
|
|
|
@dropdown.css({"width": dd_width + "px", "top": dd_top + "px"})
|
|
|
|
@search_field = @container.find('input').first()
|
|
@search_results = @container.find('ul.chzn-results').first()
|
|
this.search_field_scale()
|
|
|
|
@search_no_results = @container.find('li.no-results').first()
|
|
|
|
if @is_multiple
|
|
@search_choices = @container.find('ul.chzn-choices').first()
|
|
@search_container = @container.find('li.search-field').first()
|
|
else
|
|
@search_container = @container.find('div.chzn-search').first()
|
|
@selected_item = @container.find('.chzn-single').first()
|
|
sf_width = dd_width - get_side_border_padding(@search_container) - get_side_border_padding(@search_field)
|
|
@search_field.css( {"width" : sf_width + "px"} )
|
|
|
|
this.results_build()
|
|
this.set_tab_index()
|
|
|
|
|
|
register_observers: ->
|
|
@container.click (evt) => this.container_click(evt)
|
|
@container.mouseenter (evt) => this.mouse_enter(evt)
|
|
@container.mouseleave (evt) => this.mouse_leave(evt)
|
|
|
|
@search_results.click (evt) => this.search_results_click(evt)
|
|
@search_results.mouseover (evt) => this.search_results_mouseover(evt)
|
|
@search_results.mouseout (evt) => this.search_results_mouseout(evt)
|
|
|
|
@form_field_jq.bind "liszt:updated", (evt) => this.results_update_field(evt)
|
|
|
|
@search_field.blur (evt) => this.input_blur(evt)
|
|
@search_field.keyup (evt) => this.keyup_checker(evt)
|
|
@search_field.keydown (evt) => this.keydown_checker(evt)
|
|
|
|
if @is_multiple
|
|
@search_choices.click (evt) => this.choices_click(evt)
|
|
@search_field.focus (evt) => this.input_focus(evt)
|
|
else
|
|
@selected_item.focus (evt) => this.activate_field(evt)
|
|
|
|
container_click: (evt) ->
|
|
if evt and evt.type is "click"
|
|
evt.stopPropagation()
|
|
if not @pending_destroy_click
|
|
if not @active_field
|
|
@search_field.val "" if @is_multiple
|
|
$(document).click @click_test_action
|
|
this.results_show()
|
|
else if not @is_multiple and evt and ($(evt.target) is @selected_item || $(evt.target).parents("a.chzn-single").length)
|
|
evt.preventDefault()
|
|
this.results_toggle()
|
|
|
|
this.activate_field()
|
|
else
|
|
@pending_destroy_click = false
|
|
|
|
mouse_enter: -> @mouse_on_container = true
|
|
mouse_leave: -> @mouse_on_container = false
|
|
|
|
input_focus: (evt) ->
|
|
setTimeout (=> this.container_click()), 50 unless @active_field
|
|
|
|
input_blur: (evt) ->
|
|
if not @mouse_on_container
|
|
@active_field = false
|
|
setTimeout (=> this.blur_test()), 100
|
|
|
|
blur_test: (evt) ->
|
|
this.close_field() if not @active_field and @container.hasClass "chzn-container-active"
|
|
|
|
close_field: ->
|
|
$(document).unbind "click", @click_test_action
|
|
|
|
if not @is_multiple
|
|
@selected_item.attr "tabindex", @search_field.attr("tabindex")
|
|
@search_field.attr "tabindex", -1
|
|
|
|
@active_field = false
|
|
this.results_hide()
|
|
|
|
@container.removeClass "chzn-container-active"
|
|
this.winnow_results_clear()
|
|
this.clear_backstroke()
|
|
|
|
this.show_search_field_default()
|
|
this.search_field_scale()
|
|
|
|
activate_field: ->
|
|
if not @is_multiple and not @active_field
|
|
@search_field.attr "tabindex", (@selected_item.attr "tabindex")
|
|
@selected_item.attr "tabindex", -1
|
|
|
|
@container.addClass "chzn-container-active"
|
|
@active_field = true
|
|
|
|
@search_field.val(@search_field.val())
|
|
@search_field.focus()
|
|
|
|
|
|
test_active_click: (evt) ->
|
|
if $(evt.target).parents('#' + @container_id).length
|
|
@active_field = true
|
|
else
|
|
this.close_field()
|
|
|
|
results_build: ->
|
|
startTime = new Date()
|
|
@parsing = true
|
|
@results_data = root.SelectParser.select_to_array @form_field
|
|
|
|
if @is_multiple and @choices > 0
|
|
@search_choices.find("li.search-choice").remove()
|
|
@choices = 0
|
|
else if not @is_multiple
|
|
@selected_item.find("span").text @default_text
|
|
|
|
content = ''
|
|
for data in @results_data
|
|
if data.group
|
|
content += this.result_add_group data
|
|
else if !data.empty
|
|
content += this.result_add_option data
|
|
if data.selected and @is_multiple
|
|
this.choice_build data
|
|
else if data.selected and not @is_multiple
|
|
@selected_item.find("span").text data.text
|
|
|
|
this.show_search_field_default()
|
|
this.search_field_scale()
|
|
|
|
@search_results.html content
|
|
@parsing = false
|
|
|
|
|
|
result_add_group: (group) ->
|
|
if not group.disabled
|
|
group.dom_id = @container_id + "_g_" + group.array_index
|
|
'<li id="' + group.dom_id + '" class="group-result">' + $("<div />").text(group.label).html() + '</li>'
|
|
else
|
|
""
|
|
|
|
result_add_option: (option) ->
|
|
if not option.disabled
|
|
option.dom_id = @container_id + "_o_" + option.array_index
|
|
|
|
classes = if option.selected and @is_multiple then [] else ["active-result"]
|
|
classes.push "result-selected" if option.selected
|
|
classes.push "group-option" if option.group_array_index?
|
|
|
|
'<li id="' + option.dom_id + '" class="' + classes.join(' ') + '">' + option.html + '</li>'
|
|
else
|
|
""
|
|
|
|
results_update_field: ->
|
|
this.result_clear_highlight()
|
|
@result_single_selected = null
|
|
this.results_build()
|
|
|
|
result_do_highlight: (el) ->
|
|
if el.length
|
|
this.result_clear_highlight()
|
|
|
|
@result_highlight = el
|
|
@result_highlight.addClass "highlighted"
|
|
|
|
maxHeight = parseInt @search_results.css("maxHeight"), 10
|
|
visible_top = @search_results.scrollTop()
|
|
visible_bottom = maxHeight + visible_top
|
|
|
|
high_top = @result_highlight.position().top + @search_results.scrollTop()
|
|
high_bottom = high_top + @result_highlight.outerHeight()
|
|
|
|
if high_bottom >= visible_bottom
|
|
@search_results.scrollTop if (high_bottom - maxHeight) > 0 then (high_bottom - maxHeight) else 0
|
|
else if high_top < visible_top
|
|
@search_results.scrollTop high_top
|
|
|
|
result_clear_highlight: ->
|
|
@result_highlight.removeClass "highlighted" if @result_highlight
|
|
@result_highlight = null
|
|
|
|
results_toggle: ->
|
|
if @results_showing
|
|
this.results_hide()
|
|
else
|
|
this.results_show()
|
|
|
|
results_show: ->
|
|
if not @is_multiple
|
|
@selected_item.addClass "chzn-single-with-drop"
|
|
if @result_single_selected
|
|
this.result_do_highlight( @result_single_selected )
|
|
|
|
dd_top = if @is_multiple then @container.height() else (@container.height() - 1)
|
|
@dropdown.css {"top": dd_top + "px", "left":0}
|
|
@results_showing = true
|
|
|
|
@search_field.focus()
|
|
@search_field.val @search_field.val()
|
|
|
|
this.winnow_results()
|
|
|
|
results_hide: ->
|
|
@selected_item.removeClass "chzn-single-with-drop" unless @is_multiple
|
|
this.result_clear_highlight()
|
|
@dropdown.css {"left":"-9000px"}
|
|
@results_showing = false
|
|
|
|
|
|
set_tab_index: (el) ->
|
|
if @form_field_jq.attr "tabindex"
|
|
ti = @form_field_jq.attr "tabindex"
|
|
@form_field_jq.attr "tabindex", -1
|
|
|
|
if @is_multiple
|
|
@search_field.attr "tabindex", ti
|
|
else
|
|
@selected_item.attr "tabindex", ti
|
|
@search_field.attr "tabindex", -1
|
|
|
|
show_search_field_default: ->
|
|
if @is_multiple and @choices < 1 and not @active_field
|
|
@search_field.val(@default_text)
|
|
@search_field.addClass "default"
|
|
else
|
|
@search_field.val("")
|
|
@search_field.removeClass "default"
|
|
|
|
search_results_click: (evt) ->
|
|
target = if $(evt.target).hasClass "active-result" then $(evt.target) else $(evt.target).parents(".active-result").first()
|
|
if target.length
|
|
@result_highlight = target
|
|
this.result_select()
|
|
|
|
search_results_mouseover: (evt) ->
|
|
target = if $(evt.target).hasClass "active-result" then $(evt.target) else $(evt.target).parents(".active-result").first()
|
|
this.result_do_highlight( target ) if target
|
|
|
|
search_results_mouseout: (evt) ->
|
|
this.result_clear_highlight() if $(evt.target).hasClass "active-result" or $(evt.target).parents('.active-result').first()
|
|
|
|
|
|
choices_click: (evt) ->
|
|
evt.preventDefault()
|
|
if( @active_field and not($(evt.target).hasClass "search-choice" or $(evt.target).parents('.search-choice').first) and not @results_showing )
|
|
this.results_show()
|
|
|
|
choice_build: (item) ->
|
|
choice_id = @container_id + "_c_" + item.array_index
|
|
@choices += 1
|
|
@search_container.before '<li class="search-choice" id="' + choice_id + '"><span>' + item.html + '</span><a href="javascript:void(0)" class="search-choice-close" rel="' + item.array_index + '"></a></li>'
|
|
link = $('#' + choice_id).find("a").first()
|
|
link.click (evt) => this.choice_destroy_link_click(evt)
|
|
|
|
choice_destroy_link_click: (evt) ->
|
|
evt.preventDefault()
|
|
@pending_destroy_click = true
|
|
this.choice_destroy $(evt.target)
|
|
|
|
choice_destroy: (link) ->
|
|
@choices -= 1
|
|
this.show_search_field_default()
|
|
|
|
this.results_hide() if @is_multiple and @choices > 0 and @search_field.val().length < 1
|
|
|
|
this.result_deselect (link.attr "rel")
|
|
link.parents('li').first().remove()
|
|
|
|
result_select: ->
|
|
if @result_highlight
|
|
high = @result_highlight
|
|
high_id = high.attr "id"
|
|
|
|
this.result_clear_highlight()
|
|
|
|
high.addClass "result-selected"
|
|
|
|
if @is_multiple
|
|
this.result_deactivate high
|
|
else
|
|
@result_single_selected = high
|
|
|
|
position = high_id.substr(high_id.lastIndexOf("_") + 1 )
|
|
item = @results_data[position]
|
|
item.selected = true
|
|
|
|
@form_field.options[item.options_index].selected = true
|
|
|
|
if @is_multiple
|
|
this.choice_build item
|
|
else
|
|
@selected_item.find("span").first().text item.text
|
|
|
|
this.results_hide()
|
|
@search_field.val ""
|
|
|
|
@form_field_jq.trigger "change"
|
|
this.search_field_scale()
|
|
|
|
result_activate: (el) ->
|
|
el.addClass("active-result").show()
|
|
|
|
result_deactivate: (el) ->
|
|
el.removeClass("active-result").hide()
|
|
|
|
result_deselect: (pos) ->
|
|
result_data = @results_data[pos]
|
|
result_data.selected = false
|
|
|
|
@form_field.options[result_data.options_index].selected = false
|
|
result = $("#" + @container_id + "_o_" + pos)
|
|
result.removeClass("result-selected").addClass("active-result").show()
|
|
|
|
this.result_clear_highlight()
|
|
this.winnow_results()
|
|
|
|
@form_field_jq.trigger "change"
|
|
this.search_field_scale()
|
|
|
|
results_search: (evt) ->
|
|
if @results_showing
|
|
this.winnow_results()
|
|
else
|
|
this.results_show()
|
|
|
|
winnow_results: ->
|
|
startTime = new Date()
|
|
this.no_results_clear()
|
|
|
|
results = 0
|
|
|
|
searchText = if @search_field.val() is @default_text then "" else $('<div/>').text($.trim(@search_field.val())).html()
|
|
regex = new RegExp('^' + searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i')
|
|
zregex = new RegExp(searchText.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&"), 'i')
|
|
|
|
for option in @results_data
|
|
if not option.disabled and not option.empty
|
|
if option.group
|
|
$('#' + option.dom_id).hide()
|
|
else if not (@is_multiple and option.selected)
|
|
found = false
|
|
result_id = option.dom_id
|
|
|
|
if regex.test option.html
|
|
found = true
|
|
results += 1
|
|
else if option.html.indexOf(" ") >= 0 or option.html.indexOf("[") == 0
|
|
#TODO: replace this substitution of /\[\]/ with a list of characters to skip.
|
|
parts = option.html.replace(/\[|\]/g, "").split(" ")
|
|
if parts.length
|
|
for part in parts
|
|
if regex.test part
|
|
found = true
|
|
results += 1
|
|
|
|
if found
|
|
if searchText.length
|
|
startpos = option.html.search zregex
|
|
text = option.html.substr(0, startpos + searchText.length) + '</em>' + option.html.substr(startpos + searchText.length)
|
|
text = text.substr(0, startpos) + '<em>' + text.substr(startpos)
|
|
else
|
|
text = option.html
|
|
|
|
$("#" + result_id).html text if $("#" + result_id).html != text
|
|
|
|
this.result_activate $("#" + result_id)
|
|
|
|
$("#" + @results_data[option.group_array_index].dom_id).show() if option.group_array_index?
|
|
else
|
|
this.result_clear_highlight() if @result_highlight and result_id is @result_highlight.attr 'id'
|
|
this.result_deactivate $("#" + result_id)
|
|
|
|
if results < 1 and searchText.length
|
|
this.no_results searchText
|
|
else
|
|
this.winnow_results_set_highlight()
|
|
|
|
winnow_results_clear: ->
|
|
@search_field.val ""
|
|
lis = @search_results.find("li")
|
|
|
|
for li in lis
|
|
li = $(li)
|
|
if li.hasClass "group-result"
|
|
li.show()
|
|
else if not @is_multiple or not li.hasClass "result-selected"
|
|
this.result_activate li
|
|
|
|
winnow_results_set_highlight: ->
|
|
if not @result_highlight
|
|
|
|
selected_results = if not @is_multiple then @search_results.find(".result-selected") else []
|
|
do_high = if selected_results.length then selected_results.first() else @search_results.find(".active-result").first()
|
|
|
|
this.result_do_highlight do_high if do_high?
|
|
|
|
no_results: (terms) ->
|
|
no_results_html = $('<li class="no-results">No results match "<span></span>"</li>')
|
|
no_results_html.find("span").first().html(terms)
|
|
|
|
@search_results.append no_results_html
|
|
|
|
no_results_clear: ->
|
|
@search_results.find(".no-results").remove()
|
|
|
|
keydown_arrow: ->
|
|
if not @result_highlight
|
|
first_active = @search_results.find("li.active-result").first()
|
|
this.result_do_highlight $(first_active) if first_active
|
|
else if @results_showing
|
|
next_sib = @result_highlight.nextAll("li.active-result").first()
|
|
this.result_do_highlight next_sib if next_sib
|
|
this.results_show() if not @results_showing
|
|
|
|
keyup_arrow: ->
|
|
if not @results_showing and not @is_multiple
|
|
this.results_show()
|
|
else if @result_highlight
|
|
prev_sibs = @result_highlight.prevAll("li.active-result")
|
|
|
|
if prev_sibs.length
|
|
this.result_do_highlight prev_sibs.first()
|
|
else
|
|
this.results_hide() if @choices > 0
|
|
this.result_clear_highlight()
|
|
|
|
keydown_backstroke: ->
|
|
if @pending_backstroke
|
|
this.choice_destroy @pending_backstroke.find("a").first()
|
|
this.clear_backstroke()
|
|
else
|
|
@pending_backstroke = @search_container.siblings("li.search-choice").last()
|
|
@pending_backstroke.addClass "search-choice-focus"
|
|
|
|
clear_backstroke: ->
|
|
@pending_backstroke.removeClass "search-choice-focus" if @pending_backstroke
|
|
@pending_backstroke = null
|
|
|
|
keyup_checker: (evt) ->
|
|
stroke = evt.which ? evt.keyCode
|
|
this.search_field_scale()
|
|
|
|
switch stroke
|
|
when 8
|
|
if @is_multiple and @backstroke_length < 1 and @choices > 0
|
|
this.keydown_backstroke()
|
|
else if not @pending_backstroke
|
|
this.result_clear_highlight()
|
|
this.results_search()
|
|
when 13
|
|
evt.preventDefault()
|
|
this.result_select() if this.results_showing
|
|
when 27
|
|
this.results_hide() if @results_showing
|
|
when 9, 38, 40, 16
|
|
# don't do anything on these keys
|
|
else this.results_search()
|
|
|
|
|
|
keydown_checker: (evt) ->
|
|
stroke = evt.which ? evt.keyCode
|
|
this.search_field_scale()
|
|
|
|
this.clear_backstroke() if stroke != 8 and this.pending_backstroke
|
|
|
|
switch stroke
|
|
when 8
|
|
@backstroke_length = this.search_field.val().length
|
|
break
|
|
when 9
|
|
@mouse_on_container = false
|
|
break
|
|
when 13
|
|
evt.preventDefault()
|
|
break
|
|
when 38
|
|
evt.preventDefault()
|
|
this.keyup_arrow()
|
|
break
|
|
when 40
|
|
this.keydown_arrow()
|
|
break
|
|
|
|
|
|
search_field_scale: ->
|
|
if @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 style in styles
|
|
style_block += style + ":" + @search_field.css(style) + ";"
|
|
|
|
div = $('<div />', { 'style' : style_block })
|
|
div.text @search_field.val()
|
|
$('body').append div
|
|
|
|
w = div.width() + 25
|
|
div.remove()
|
|
|
|
if( w > @f_width-10 )
|
|
w = @f_width - 10
|
|
|
|
@search_field.css({'width': w + 'px'})
|
|
|
|
dd_top = @container.height()
|
|
@dropdown.css({"top": dd_top + "px"})
|
|
|
|
generate_field_id: ->
|
|
new_id = this.generate_random_id()
|
|
@form_field.id = new_id
|
|
new_id
|
|
|
|
generate_random_id: ->
|
|
string = "sel" + this.generate_random_char() + this.generate_random_char() + this.generate_random_char()
|
|
while $("#" + string).length > 0
|
|
string += this.generate_random_char()
|
|
string
|
|
|
|
generate_random_char: ->
|
|
chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZ";
|
|
rand = Math.floor(Math.random() * chars.length)
|
|
newchar = chars.substring rand, rand+1
|
|
|
|
get_side_border_padding = (elmt) ->
|
|
side_border_padding = elmt.outerWidth() - elmt.width()
|
|
|
|
root.get_side_border_padding = get_side_border_padding
|