boxes_helper.rb
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module BoxesHelper
def insert_boxes(content)
if controller.send(:boxes_editor?) && controller.send(:uses_design_blocks?)
content + display_boxes_editor(controller.boxes_holder)
else
maybe_display_custom_element(controller.boxes_holder, :custom_header_expanded, :id => 'profile-header') +
if controller.send(:uses_design_blocks?)
display_boxes(controller.boxes_holder, content)
else
content_tag('div',
content_tag('div',
content_tag('div', wrap_main_content(content), :class => 'no-boxes-inner-2'),
:class => 'no-boxes-inner-1'
),
:class => 'no-boxes'
)
end +
maybe_display_custom_element(controller.boxes_holder, :custom_footer_expanded, :id => 'profile-footer')
end
end
def box_decorator
@box_decorator || DontMoveBlocks
end
def with_box_decorator(dec, &block)
@box_decorator = dec
result = block.call
@box_decorator = DontMoveBlocks
result
end
def display_boxes_editor(holder)
with_box_decorator self do
content_tag('div', display_boxes(holder, '<' + _('Main content') + '>'), :id => 'box-organizer')
end
end
def boxes_limit holder
controller.send(:custom_design)[:boxes_limit] || holder.boxes_limit(controller.send(:custom_design)[:layout_template])
end
def display_boxes(holder, main_content)
boxes = holder.boxes.with_position.first(boxes_limit(holder))
content = boxes.reverse.map { |item| display_box(item, main_content) }.join("\n")
content = main_content if (content.blank?)
content_tag('div', content, :class => 'boxes', :id => 'boxes' )
end
def maybe_display_custom_element(holder, element, options = {})
if holder.respond_to?(element)
content_tag('div', holder.send(element), options)
else
''
end
end
def display_box(box, main_content)
content_tag('div', content_tag('div', display_box_content(box, main_content), :class => 'blocks'), :class => "box box-#{box.position}", :id => "box-#{box.id}" )
end
def display_updated_box(box)
with_box_decorator self do
display_box_content(box, '<' + _('Main content') + '>')
end
end
def display_box_content(box, main_content)
context = { :article => @page, :request_path => request.path, :locale => locale, :params => request.params, :user => user, :controller => controller }
box_decorator.select_blocks(box, box.blocks.includes(:box), context).map do |item|
display_block item, main_content
end.join("\n") + box_decorator.block_target(box)
end
def select_blocks box, arr, context
arr
end
def display_block(block, main_content = nil)
render :file => 'shared/block', :locals => {:block => block, :main_content => main_content, :use_cache => use_cache? }
end
def use_cache?
box_decorator == DontMoveBlocks
end
def render_block_content(block)
template_name = block.class.name.underscore.gsub('_block', '')
template_filename = "#{template_name}.html.erb"
if File.exists? Rails.root.join('app', 'views', 'blocks', template_filename)
render :file => "blocks/#{template_name}", :locals => { :block => block }
else
nil
end
end
def render_block_footer(block)
template_name = block.class.name.underscore.gsub('_block', '')
template_filename = "#{template_name}.html.erb"
if File.exists? Rails.root.join('app', 'views', 'blocks', 'footers', template_filename)
render :file => "blocks/footers/#{template_name}", :locals => { :block => block }
else
nil
end
end
def display_block_content(block, main_content = nil)
content = block.main? ? wrap_main_content(main_content) : render_block_content(block)
result = extract_block_content(content)
footer_content = extract_block_content(render_block_footer(block))
unless footer_content.blank?
footer_content = content_tag('div', footer_content, :class => 'block-footer-content' )
end
options = {
:class => classes = ['block', block_css_classes(block) ].uniq.join(' '),
:id => "block-#{block.id}"
}
if ( block.respond_to? 'help' )
options[:help] = block.help
end
unless block.visible?
options[:title] = _("This block is invisible. Your visitors will not see it.")
end
result = filter_html(result, block)
content_tag('div',
box_decorator.block_target(block.box, block) +
content_tag('div',
content_tag('div',
content_tag('div',
result + footer_content + box_decorator.block_edit_buttons(block),
:class => 'block-inner-2'),
:class => 'block-inner-1'),
options),
:class => 'block-outer') +
box_decorator.block_handle(block)
end
def wrap_main_content(content)
content_tag('div', content, :class => 'main-content')
end
def extract_block_content(content)
case content
when Hash
content_tag('iframe', '', :src => url_for(content))
when String
if content.split("\n").size == 1 and content =~ /^https?:\/\//
content_tag('iframe', '', :src => content)
else
content
end
when Proc
self.instance_eval(&content)
when NilClass
''
else
raise "Unsupported content for block (#{content.class})"
end
end
module DontMoveBlocks
# does nothing
def self.block_target(box, block = nil)
''
end
# does nothing
def self.block_handle(block)
''
end
def self.block_edit_buttons(block)
''
end
def self.select_blocks box, arr, context
arr = arr.select{ |block| block.visible? context }
custom_design = context[:controller].send(:custom_design)
inserts = [custom_design[:insert]].flatten.compact
inserts.each do |insert_opts|
next unless box.position == insert_opts[:box]
position, block = insert_opts[:position], insert_opts[:block]
block = block.new box: box if block.is_a? Class
if not insert_opts[:uniq] or not box.blocks.map(&:class).include? block.klass
arr = arr.insert position, block
end
end
arr
end
end
# generates a place where you can drop a block and get the block moved to
# there.
#
# If +block+ is not nil, then it means "place the dropped block before this
# one.". Otherwise, it means "place the dropped block at the end of the
# list"
#
# +box+ is always needed
def block_target(box, block = nil)
id =
if block.nil?
"end-of-box-#{box.id}"
else
"before-block-#{block.id}"
end
if block.nil? or movable?(block)
url = url_for(:action => 'move_block', :target => id)
content_tag('div', _('Drop Here'), :id => id, :class => 'block-target' ) + drop_receiving_element(id, :accept => box.acceptable_blocks, :hoverclass => 'block-target-hover', :activeClass => 'block-target-active', :tolerance => 'pointer', :onDrop => "function(ev, ui) { dropBlock('#{url}', '#{_('loading...')}', ev, ui);}")
else
""
end
end
# makes the given block draggable so it can be moved away.
def block_handle(block)
return "" unless movable?(block)
icon = "<div><div>#{display_icon(block.class)}</div><span>#{_(block.class.pretty_name)}</span></div>"
block_draggable("block-#{block.id}",
:helper => "function() {return cloneDraggableBlock($(this), '#{icon}')}")
end
def block_draggable(element_id, options={})
draggable_options = {
:revert => "'invalid'",
:appendTo => "'#block-store-draggables'",
:helper => '"clone"',
:revertDuration => 200,
:scroll => false,
:start => "startDragBlock",
:stop => "stopDragBlock",
:cursor => "'move'",
:cursorAt => '{ left: 0, top:0, right:0, bottom:0 }',
}.merge(options)
draggable_element(element_id, draggable_options)
end
def block_edit_buttons(block)
buttons = []
nowhere = 'javascript: return false;'
if movable?(block)
if block.first?
buttons << icon_button('up-disabled', _("Can't move up anymore."), nowhere)
else
buttons << icon_button('up', _('Move block up'), { :action => 'move_block_up', :id => block.id }, { :method => 'post' })
end
if block.last?
buttons << icon_button('down-disabled', _("Can't move down anymore."), nowhere)
else
buttons << icon_button(:down, _('Move block down'), { :action => 'move_block_down' ,:id => block.id }, { :method => 'post'})
end
holder = block.owner
# move to opposite side
# FIXME too much hardcoded stuff
if holder.layout_template == 'default'
if block.box.position == 2 # area 2, left side => move to right side
buttons << icon_button('right', _('Move to the opposite side'), { :action => 'move_block', :target => 'end-of-box-' + holder.boxes[2].id.to_s, :id => block.id }, :method => 'post' )
elsif block.box.position == 3 # area 3, right side => move to left side
buttons << icon_button('left', _('Move to the opposite side'), { :action => 'move_block', :target => 'end-of-box-' + holder.boxes[1].id.to_s, :id => block.id }, :method => 'post' )
end
end
end
if editable?(block, user)
buttons << modal_icon_button(:edit, _('Edit'), { :action => 'edit', :id => block.id })
end
if movable?(block) && !block.main?
buttons << icon_button(:delete, _('Remove block'), { action: 'remove', id: block.id }, method: 'post', data: {confirm: _('Are you sure you want to remove this block?')})
buttons << icon_button(:clone, _('Clone'), { :action => 'clone_block', :id => block.id }, { :method => 'post' })
end
if block.respond_to?(:help)
buttons << modal_inline_icon(:help, _('Help on this block'), {}, "#help-on-box-#{block.id}") << content_tag('div', content_tag('h2', _('Help')) + content_tag('div', block.help, :style => 'margin-bottom: 1em;') + modal_close_button(_('Close')), :style => 'display: none;', :id => "help-on-box-#{block.id}")
end
if block.embedable?
embed_code = block.embed_code
embed_code = instance_exec(&embed_code) if embed_code.respond_to?(:call)
html = content_tag('div',
content_tag('h2', _('Embed block code')) +
content_tag('div', _('Below, you''ll see a field containing embed code for the block. Just copy the code and paste it into your website or blogging software.'), :style => 'margin-bottom: 1em;') +
content_tag('textarea', embed_code, :style => 'margin-bottom: 1em; width:100%; height:40%;', :readonly => 'readonly') +
modal_close_button(_('Close')), :style => 'display: none;', :id => "embed-code-box-#{block.id}")
buttons << modal_inline_icon(:embed, _('Embed code'), {}, "#embed-code-box-#{block.id}") << html
end
content_tag('div', buttons.join("\n") + tag('br', :style => 'clear: left'), :class => 'button-bar')
end
def current_blocks
controller.boxes_holder.boxes.map(&:blocks).inject([]){|ac, a| ac + a}
end
# DEPRECATED. Do not use this.
def import_blocks_stylesheets(options = {})
@blocks_css_files ||= current_blocks.map{|block|'blocks/' + block.class.name.to_css_class}.uniq
stylesheet_import(@blocks_css_files, options)
end
def block_css_classes(block)
classes = block.class.name.to_css_class
classes += ' invisible-block' if block.display == 'never'
classes
end
def movable?(block)
return block.movable? || user.is_admin?
end
def editable?(block, user=nil)
return block.editable?(user) || user.is_admin?
end
end