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286 lines
12 KiB
Ruby
286 lines
12 KiB
Ruby
module BootstrapFormHelper
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# Extend Bootstrap form builder
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class BootstrapForm::FormBuilder
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include BootstrapFormHelper
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# Returns Bootstrap date-time picker of the "datetime" type tailored for accessing a specified datetime attribute (identified by +name+) on an object
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# assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
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# hash with +options+. The supported options are shown in the following examples.
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#
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# ==== Examples
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# Specify custom label (otherwise, a humanized version of +name+ is used)
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# # => datetime_picker(:post, :published, label: "Published date")
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#
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# Specify custom CSS style on the element
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# # => datetime_picker(:post, :published, style: "background-color: #000; margin-top: 20px;")
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#
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# Show a "clear" button on the bottom of the date picker.
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# # => datetime_picker(:post, :published, clear: true)
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#
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# Show a "today" button on the bottom of the date picker.
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# # => datetime_picker(:post, :published, today: true)
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def datetime_picker(name, options = {})
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id = "#{@object_name}_#{name.to_s}"
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input_name = "#{@object_name}[#{name.to_s}]"
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value = options[:value] ? options[:value].strftime("#{I18n.backend.date_format} %H:%M") : ''
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js_locale = I18n.locale.to_s
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js_format = options[:time] ? datetime_picker_format_full : datetime_picker_format_date_only
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label = options[:label] || name.to_s.humanize
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style = options[:style] ? "style='#{options[:style]}'" : ''
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res = "<div class='form-group' #{style}><label class='control-label required' for='#{id}'>#{label}</label>" \
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"<div class='container' style='padding-left: 0; margin-left: 0;'><div class='row'><div class='col-sm-6'>"
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res << "<div class='input-group date'>" if options[:clear]
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res << "<input type='datetime' class='form-control' name='#{input_name}' id='#{id}' "\
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"readonly value='#{value}' data-toggle='date-time-picker' data-date-format='#{js_format}' " \
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"data-date-locale='#{js_locale}' data-date-show-today-button='#{options[:today].present?}'/>"
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if options[:clear]
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res << "<span class='input-group-addon' data-toggle='clear-date-time-picker' data-target='#{id}'>" \
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"<i class='fas fa-times'></i></span></div>"
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end
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res << '</div></div></div></div>'
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res.html_safe
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end
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# Returns Bootstrap button group for choosing a specified enum attribute (identified by +name+) on an object
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# assigned to the template (identified by +object+). Additional options on the input tag can be passed as a
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# hash with +options+. The supported options are shown in the following examples.
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#
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# ==== Examples
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# Specify custom label (otherwise, a humanized version of +name+ is used)
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# # => enum_btn_group(:car, :type, label: "Car type")
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#
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# Specify custom button names for enum values (a hash)
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# # => enum_btn_groups(:car, :type, btn_names: { diesel: "Diesel car", electric: "Electric car" })
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#
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# Specify custom CSS style on the element
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# # => enum_btn_group(:car, :type, style: "background-color: #000; margin-top: 20px;")
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#
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# Specify custom CSS classes on the element
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# # => enum_btn_group(:car, :type, class: "class1 class2")
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def enum_btn_group(name, options = {})
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id = "#{@object_name}_#{name.to_s}"
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input_name = "#{@object_name}[#{name.to_s}]"
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enum_vals = @object.class.send(name.to_s.pluralize)
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btn_names = Hash[enum_vals.keys.collect { |k| [k, k] }]
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if options[:btn_names] then
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btn_names = options[:btn_names]
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end
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btn_names = HashWithIndifferentAccess.new(btn_names)
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label = name.to_s.humanize
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if options[:label] then
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label = options[:label]
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end
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style_str = ""
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if options[:style] then
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style_str = " style='#{options[:style]}'"
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end
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class_str = ""
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if options[:class] then
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class_str = " #{options[:class]}"
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end
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res = ""
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res << "<div class='form-group#{class_str}'#{style_str}>"
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res << "<label for='#{id}'>#{label}</label>"
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res << "<br>"
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res << "<div class='btn-group' data-toggle='buttons'>"
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enum_vals.keys.each do |val|
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active = @object.send("#{val}?")
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active_str = active ? " active" : ""
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checked_str = active ? " checked='checked'" : ""
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res << "<label class='btn btn-toggle#{active_str}'>"
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res << "<input type='radio' value='#{val}' name='#{input_name}' id='#{id}_#{val}'#{checked_str}>"
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res << btn_names[val]
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res << "</label>"
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end
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res << "</div>"
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res << "</div>"
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res.html_safe
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end
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# Returns color picker as a dropdown (<select>) of colors, tailored for accessing a specified color
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# attribute (identified by +name+) on an object assigned to the template (identified by +object+).
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# List of colors must be provided (identified by +colors+). Colors must be a list of hashed hex values
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# (e.g. '#ff0000'). Additional options on the input tag can be passed as a hash with +options+.
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# The supported options are shown in the following examples.
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#
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# ==== Examples
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# Specify custom CSS style on the element
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# # => color_picker_select(:tag, :color, colors: ["#ff0000", "#00ff00"], style: "background-color: #000; margin-top: 20px;")
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#
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# Specify custom CSS classes on the element
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# # => color_picker_select(:tag, :color, colors: ["#ff0000", "#00ff00"], class: "class1 class2")
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def color_picker_select(name, colors, options = {})
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id = "#{@object_name}_#{name.to_s}"
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input_name = "#{@object_name}[#{name.to_s}]"
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style_str = ""
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if options[:style] then
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style_str = "style='#{options[:style]}'"
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end
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class_str = ""
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if options[:class] then
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class_str = "class='#{options[:class]}'"
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end
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res = ""
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res << "<select name='#{input_name}' id='#{id}' #{style_str} #{class_str}>"
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colors.each do |color|
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res << "<option value='#{color}' data-color='#{color}'></option>"
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end
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res << "</select>"
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res << "<script>$(function() { $('select##{id}').colorselector(); });</script>"
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res.html_safe
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end
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# Returns color picker as a button group of color buttons, tailored for accessing a specified color
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# attribute (identified by +name+) on an object assigned to the template (identified by +object+).
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# List of colors must be provided (identified by +colors+). Colors must be a list of hashed hex values
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# (e.g. '#ff0000'). Additional options on the input tag can be passed as a hash with +options+.
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# The supported options are shown in the following examples.
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#
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# ==== Examples
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# Specify custom label (otherwise, a humanized version of +name+ is used)
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# # => color_picker_btn_group(:tag, :color, colors: ["#ff0000", "#00ff00"], label: "Choose color")
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#
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# Specify size (available options: :large, :normal, :small, :extra_small)
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# # => color_picker_btn_group(:tag, :color, colors: ["#ff0000", "#00ff00"], size: :small)
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#
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# Set the picker as vertical
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# # => color_picker_btn_group(:tag, :color, colors: ["#ff0000", "#00ff00"], vertical: true)
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#
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# Specify custom CSS style on the element
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# # => color_picker_btn_group(:tag, :color, colors: ["#ff0000", "#00ff00"], style: "background-color: #000; margin-top: 20px;")
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#
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# Specify custom CSS class on the element
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# # => color_picker_btn_group(:tag, :color, colors: ["#ff0000", "#00ff00"], class: "custom")
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def color_picker_btn_group(name, colors, options = {})
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id = "#{@object_name}_#{name.to_s}"
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input_name = "#{@object_name}[#{name.to_s}]"
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icon_str = '<span class="fas fa-check" aria-hidden="true"></span>'
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icon_str_hidden = '<span class="fas fa-check" aria-hidden="true" style="display: none;"></span>'
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label = name.to_s.humanize
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if options[:label] then
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label = options[:label]
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end
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group_str = "btn-group"
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if options[:vertical] and options[:vertical] == true then
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group_str << "-vertical"
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end
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if options[:size] then
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if options[:size] == :large
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group_str << " btn-group-lg"
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elsif options[:size] == :small
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group_str << " btn-group-sm"
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elsif options[:size] == :extra_small
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group_str << " btn-group-xs"
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end
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end
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style_str = ""
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if options[:style] then
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style_str = "style='#{options[:style]}'"
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end
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class_str = ""
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if options[:class] then
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class_str = "#{options[:class]}"
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end
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res = ""
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res << "<div class='form-group #{class_str}' #{style_str}>"
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res << "<label class='control-label required' for='#{id}'>#{label}</label>"
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res << "<div class='#{group_str}' role='group' data-toggle='buttons' aria-label='#{label}' #{style_str}>"
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colors.each_with_index do |color, i|
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active = i == 0 ? " active" : ""
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checked = i == 0 ? " checked='checked'" : ""
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contents = i == 0 ? icon_str : icon_str_hidden
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res << "<label class='btn color-picker btn-primary#{active}' style='background-color: #{color}; min-width: 60px;'>"
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res << "<input type='radio' value='#{color}'#{checked} name='#{input_name}' id='#{id}_#{color}'>"
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res << "#{contents} "
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res << "</label>"
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end
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res << "</div>"
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res << "<script type='text/javascript'>$(function () {"
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res << "$('.btn.btn-primary.color-picker').click(function() {"
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res << "var els = $('.btn.btn-primary.color-picker'); for (var i = 0; i < els.length; i++) {"
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res << "var el = $(els[i]); el.find('span').hide(); }"
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res << "$(this).find('span').show(); });"
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res << "});</script>"
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res << "</div>"
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res.html_safe
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end
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# Returns smart <textarea> that dynamically resizes depending on the user
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# input. Also has an option 'single_line: true' to render it as a one-line
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# (imagine <input type="text">) input field that only grows beyond one line
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# if inputting a larger text (otherwise, by default it spans 2 lines).
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#
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# Other than that, it accepts same options as regular text_area helper.
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def smart_text_area(name, opts = {})
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opts[:class] = [opts[:class], 'smart-text-area'].join(' ')
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if !opts[:rows] && @object
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opts[:rows] =
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@object.public_send(name).try(:lines).try(:count)
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end
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opts.delete(:rows) if opts[:rows].nil?
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if opts[:single_line]
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if opts[:rows]
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opts[:class] = [opts[:class], 'textarea-sm-present'].join(' ')
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else
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opts[:class] = [opts[:class], 'textarea-sm'].join(' ')
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end
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end
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text_area(name, opts)
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end
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# Returns <textarea> helper tag for tinyMCE editor
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def tiny_mce_editor(name, options = {})
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options.deep_merge!(cols: 120,
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rows: 10,
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data: {
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tinymce_asset_path:
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Rails.application.routes.url_helpers.tiny_mce_assets_path
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})
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text_area(name, options)
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end
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end
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# Returns date only format string for Bootstrap DateTimePicker
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def datetime_picker_format_date_only
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js_format = I18n.backend.date_format.dup
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js_format.gsub!(/%-d/, 'D')
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js_format.gsub!(/%d/, 'DD')
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js_format.gsub!(/%-m/, 'M')
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js_format.gsub!(/%m/, 'MM')
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js_format.gsub!(/%b/, 'MMM')
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js_format.gsub!(/%B/, 'MMMM')
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js_format.gsub!('%Y', 'YYYY')
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js_format
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end
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# Returns date and time format string for Bootstrap DateTimePicker
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def datetime_picker_format_full
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js_format = datetime_picker_format_date_only
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js_format << ' HH:mm'
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js_format
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end
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end
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