Class: Texy::Modules::Image

Attributes

default_alt	[RW]	default image alternative text
handler	[RW]	Proc that will be called with newly created element
left_class	[RW]	left-floated image class
linked_root	[RW]	root of linked images (http)
right_class	[RW]	right-floated image class
root	[RW]	root of relative images (http)
root_prefix	[RW]	physical location on server

Public Class methods

new(texy)

[Source]

# File lib/texy/modules/image.rb, line 57
            def initialize(texy)
                super

                self.root = 'images/'
                self.linked_root = 'images/'
                self.root_prefix = ''
                self.left_class = nil
                self.right_class = nil
                self.default_alt = ''
            end

Public Instance methods

add_reference(name, obj)

Add new named image

[Source]

# File lib/texy/modules/image.rb, line 78
            def add_reference(name, obj)
                texy.add_reference("*#{name}*", obj)
            end

init()

Module initialization.

[Source]

# File lib/texy/modules/image.rb, line 70
            def init
                # [*image*]:LINK    where LINK is:   url | [ref] | [*image*]
                texy.register_line_pattern(method(:process_line), /#{PATTERN_IMAGE}#{PATTERN_LINK_N}?()/)
            end

pre_process(text)

Preprocessing

[Source]

# File lib/texy/modules/image.rb, line 95
            def pre_process(text)
                # [*image*]: urls .(title)[class]{style}
                text.gsub(/^\[\*([^\n]+?)\*\]:\ +(.+?)\ *#{PATTERN_MODIFIER}?()$/) do
                    el_ref = ImageReference.new(texy, $2)
                    el_ref.modifier.set_properties($3, $4, $5)

                    add_reference($1, el_ref)
                    ''
                end
            end

process_line(parser, matches)

Callback function: [* small.jpg | small-over.jpg | big.jpg .(alternative text)[class]{style}>]:LINK

[Source]

# File lib/texy/modules/image.rb, line 109
            def process_line(parser, matches)
                return '' unless allowed

                m_urls, m_link = matches.values_at(1, 6)

                el_image = ImageElement.new(texy)
                el_image.set_images_raw(m_urls)
                el_image.modifier.set_properties(*matches[2..5])

                if m_link
                    el_link = LinkElement.new(texy)

                    if m_link == ':'
                        el_image.require_link_image
                        el_link.link = el_image.link_image.dup
                    else
                        el_link.set_link_raw(m_link)
                    end

                    parser.element.append_child(el_link, parser.element.append_child(el_image))
                else
                    if handler
                        return '' unless handler.call(el_image)
                    end

                    parser.element.append_child(el_image)
                end
            end

reference(name)

Receive new named link. If not exists, try call user function to create one.

[Source]

# File lib/texy/modules/image.rb, line 83
            def reference(name)
                el = texy.reference("*#{name}*")
                if el.kind_of?(ImageReference)
                    el
                else
                    false
                end
            end

Methods

Attributes

Public Class methods

Public Instance methods