###
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Chosen source: generate output using 'cake build'
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Copyright (c) 2011 by Harvest
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###
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root = this
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class AbstractChosen
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constructor: (@form_field, @options={}) ->
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this.set_default_values()
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@is_multiple = @form_field.multiple
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this.set_default_text()
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this.setup()
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this.set_up_html()
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this.register_observers()
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this.finish_setup()
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set_default_values: ->
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@click_test_action = (evt) => this.test_active_click(evt)
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@activate_action = (evt) => this.activate_field(evt)
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@active_field = false
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@mouse_on_container = false
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@results_showing = false
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@result_highlighted = null
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@result_single_selected = null
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@allow_single_deselect = if @options.allow_single_deselect? and @form_field.options[0]? and @form_field.options[0].text is "" then @options.allow_single_deselect else false
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@disable_search_threshold = @options.disable_search_threshold || 0
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@disable_search = @options.disable_search || false
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@search_contains = @options.search_contains || false
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@choices = 0
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@single_backstroke_delete = @options.single_backstroke_delete || false
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@max_selected_options = @options.max_selected_options || Infinity
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set_default_text: ->
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if @form_field.getAttribute("data-placeholder")
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@default_text = @form_field.getAttribute("data-placeholder")
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else if @is_multiple
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@default_text = @options.placeholder_text_multiple || @options.placeholder_text || "Select Some Options"
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else
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@default_text = @options.placeholder_text_single || @options.placeholder_text || "Select an Option"
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@results_none_found = @form_field.getAttribute("data-no_results_text") || @options.no_results_text || "No results match"
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mouse_enter: -> @mouse_on_container = true
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mouse_leave: -> @mouse_on_container = false
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input_focus: (evt) ->
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if @is_multiple
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setTimeout (=> this.container_mousedown()), 50 unless @active_field
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else
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@activate_field() unless @active_field
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input_blur: (evt) ->
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if not @mouse_on_container
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@active_field = false
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setTimeout (=> this.blur_test()), 100
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result_add_option: (option) ->
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if not option.disabled
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option.dom_id = @container_id + "_o_" + option.array_index
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classes = if option.selected and @is_multiple then [] else ["active-result"]
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classes.push "result-selected" if option.selected
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classes.push "group-option" if option.group_array_index?
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classes.push option.classes if option.classes != ""
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style = if option.style.cssText != "" then " style=\"#{option.style}\"" else ""
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'<li id="' + option.dom_id + '" class="' + classes.join(' ') + '"'+style+'>' + option.html + '</li>'
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else
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""
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results_update_field: ->
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this.results_reset_cleanup() if not @is_multiple
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this.result_clear_highlight()
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@result_single_selected = null
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this.results_build()
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results_toggle: ->
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if @results_showing
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this.results_hide()
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else
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this.results_show()
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results_search: (evt) ->
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if @results_showing
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this.winnow_results()
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else
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this.results_show()
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keyup_checker: (evt) ->
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stroke = evt.which ? evt.keyCode
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this.search_field_scale()
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switch stroke
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when 8
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if @is_multiple and @backstroke_length < 1 and @choices > 0
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this.keydown_backstroke()
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else if not @pending_backstroke
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this.result_clear_highlight()
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this.results_search()
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when 13
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evt.preventDefault()
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this.result_select(evt) if this.results_showing
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when 27
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this.results_hide() if @results_showing
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return true
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when 9, 38, 40, 16, 91, 17
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# don't do anything on these keys
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else this.results_search()
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generate_field_id: ->
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new_id = this.generate_random_id()
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@form_field.id = new_id
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new_id
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generate_random_char: ->
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chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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rand = Math.floor(Math.random() * chars.length)
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newchar = chars.substring rand, rand+1
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root.AbstractChosen = AbstractChosen
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