2011-09-03 08:33:57 +00:00
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module SimpleForm
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module Wrappers
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# Provides the builder syntax for components. The builder provides
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# only one method (called `use`) and it allows the following invocations:
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#
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2011-09-04 09:31:24 +00:00
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# config.wrappers do |b|
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2011-09-03 08:33:57 +00:00
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# # Use a single component
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# b.use :placeholder
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#
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# # Use a component with specific wrapper options
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# b.use :error, :tag => "span", :class => "error"
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#
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# # Use a set of components by wrapping them in a tag+class.
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# b.use :tag => "div", :class => "another" do |ba|
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# ba.use :label
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# ba.use :input
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# end
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#
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# # Use a set of components by wrapping them in a tag+class.
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# # This wrapper is identified by :label_input, which means it can
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# # be turned off on demand with `f.input :name, :label_input => false`
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# b.use :label_input, :tag => "div", :class => "another" do |ba|
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# ba.use :label
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# ba.use :input
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# end
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# end
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#
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class Builder
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def initialize
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@components = []
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end
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def use(name, options=nil)
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if block_given?
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name, options = nil, name if name.is_a?(Hash)
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builder = self.class.new
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yield builder
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@components << Many.new(name, builder.to_a, options || {})
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elsif options
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@components << Single.new(name, options)
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else
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@components << name
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end
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end
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def to_a
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@components
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end
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end
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end
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end
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