module TankEngineHelper
## HTML Headers
def viewport_tag(options = {})
content = ""
content += "width = device-width, user-scalable=no" if options[:device_width]
tag(:meta, :name => "viewport", :content => content)
end
def include_tank_engine_files
stylesheet_link_tag('tank_engine') + javascript_include_tag('tank_engine')
end
### Navigation Bar
def button_from_hash(hash)
return "" if hash.blank?
is_back = (hash.delete(:back) == true)
if is_back
hash[:html_options] ||= {}
hash[:html_options][:id] = "backButton"
hash[:html_options][:class] = "te_slide_right"
end
button_link_to(hash[:caption], hash[:url], hash[:html_options])
end
def te_navigation_bar(left_button_hash, caption, right_button_hash = {})
left_button = button_from_hash(left_button_hash)
header = content_tag(:h1, caption, :id => "header_text")
right_button = button_from_hash(right_button_hash)
content = [left_button, header, right_button].join("\n")
content_tag(:div, content, :class => "toolbar")
end
## Link helpers
def button_link_to(name, options, html_options = {})
html_options[:class] ||= " "
html_options[:class] += " button"
link_to(name, options, html_options)
end
def link_to_replace(name, options, html_options = {})
html_options[:target] = "_replace"
link_to(name, options, html_options)
end
def link_to_external(name, options, html_options = {})
html_options[:target] = "_self"
link_to(name, options, html_options)
end
def link_from_list(name, options, slide = nil, html_options = {})
if slide
if html_options[:class]
html_options[:class] += " te_slide_left"
else
html_options[:class] = "te_slide_left"
end
end
link_to(name, options, html_options)
end
def link_to_target(target, name, options, html_options = {})
if target == :replace
link_to_replace(name, options, html_options)
elsif target == :self or target == :external
link_to_external(name, options, html_options)
else
link_to(name, options, html_options)
end
end
# def servicelink_tel(telno)
# content_tag("a",telno,:class=>"ciuServiceLink",:target => "_self",:href => "tel:#{telno}" ,:onclick => "return(navigator.userAgent.indexOf('iPhone') != -1)")
# end
# def servicelink_email(email)
# content_tag("a",email,:class=>"ciuServiceLink",:target => "_self",:href => "mailto:#{email}" ,:onclick => "return(navigator.userAgent.indexOf('iPhone') != -1)")
# end
# def servicebutton_map(gadr,caption)
# content_tag("a",caption,:class=>"ciuServiceButton",:target => "_self",:href => "http://maps.google.com/maps?q=#{gadr}" ,:onclick => "return(navigator.userAgent.indexOf('iPhone') != -1)")
# end
## Lists
def list_element(item, target = nil, slide = true)
link = link_from_list(item.caption, item.url, slide)
content_tag(:li, link)
end
def append_options(list_content, options = {})
list_content = options[:top] + list_content if options[:top]
list_content += list_element(options[:more], :replace) if options[:more]
list_content += options[:bottom] if options[:bottom]
list_content
end
def te_list(items, options = {})
slide = !options[:no_slide]
list_content = items.map {|i| list_element(i, nil, slide)}.join("\n")
list_content = append_options(list_content, options)
if options[:as_replace]
list_content
else
content_tag(:ul, list_content, :selected => "true")
end
end
def te_grouped_list(items, options = {}, &group_by_block)
groups = items.group_by(&group_by_block).sort
group_elements = groups.map do |group, members|
group = content_tag(:li, group, :class => "group")
member_elements = [group] + members.map { |m| list_element(m) }
end
content_tag(:ul, group_elements.flatten.join("\n"), :selected => "true")
end
## panels and fields
def fieldset(&block)
concat(content_tag(:fieldset, capture(&block)), block.binding)
end
def row(label_text="", &block)
label = if label_text.blank? then "" else content_tag(:label, label_text) end
block = if block_given? then capture(&block) else "" end
div = content_tag(:div, label + block, :class => "row")
if block_given?
concat(div, block.binding)
else
div
end
end
def row_label(&block)
label = content_tag(:label, capture(&block))
div = content_tag(:div, label, :class => "row")
concat(div, block.binding)
end
def panel(&block)
div = content_tag(:div, capture(&block), :class => "panel")
concat(div, block.binding)
end
def dialog(&block)
div = content_tag(:div, capture(&block), :class => "dialog")
concat(div, block.binding)
end
## Orientation Change
def observe_orientation_change(url_options = {})
remote = remote_function :url => url_options,
:with => "'position=' + String(window.orientation)"
func = "function() { #{remote}; };"
javascript_tag("function updateOrientation() { #{remote}; }")
end
def register_orientation_change
javascript_tag('$(function() { $("body").bind("orientationchange", updateOrientation) });')
end
end
ActionView::Base.send(:include, TankEngineHelper)
