Class: Glimmer::SWT::GLayout
- Inherits:
-
Object
- Object
- Glimmer::SWT::GLayout
- Includes:
- Parent
- Defined in:
- lib/glimmer/swt/g_layout.rb
Instance Attribute Summary collapse
-
#composite ⇒ Object
readonly
Returns the value of attribute composite.
-
#layout ⇒ Object
readonly
Returns the value of attribute layout.
Class Method Summary collapse
- .layout_exists?(underscored_layout_name) ⇒ Boolean
-
.swt_layout_class_for(underscored_layout_name) ⇒ Object
This supports layouts in and out of basic SWT.
Instance Method Summary collapse
- #apply_property_type_converters(attribute_name, args) ⇒ Object
- #attribute_setter(attribute_name) ⇒ Object
- #has_attribute?(attribute_name, *args) ⇒ Boolean
-
#initialize(underscored_layout_name, composite, args) ⇒ GLayout
constructor
A new instance of GLayout.
- #process_block(block) ⇒ Object
- #set_attribute(attribute_name, *args) ⇒ Object
Constructor Details
#initialize(underscored_layout_name, composite, args) ⇒ GLayout
Returns a new instance of GLayout.
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# File 'lib/glimmer/swt/g_layout.rb', line 40 def initialize(underscored_layout_name, composite, args) @underscored_layout_name = underscored_layout_name @composite = composite args = GSWT.constantify_args(args) @layout = self.class.swt_layout_class_for(underscored_layout_name).new(*args) @composite.setLayout(@layout) end |
Instance Attribute Details
#composite ⇒ Object (readonly)
Returns the value of attribute composite.
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# File 'lib/glimmer/swt/g_layout.rb', line 11 def composite @composite end |
#layout ⇒ Object (readonly)
Returns the value of attribute layout.
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# File 'lib/glimmer/swt/g_layout.rb', line 12 def layout @layout end |
Class Method Details
.layout_exists?(underscored_layout_name) ⇒ Boolean
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# File 'lib/glimmer/swt/g_layout.rb', line 17 def layout_exists?(underscored_layout_name) begin swt_layout_class_for(underscored_layout_name) true rescue NameError => e false end end |
.swt_layout_class_for(underscored_layout_name) ⇒ Object
This supports layouts in and out of basic SWT
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# File 'lib/glimmer/swt/g_layout.rb', line 27 def swt_layout_class_for(underscored_layout_name) swt_layout_name = underscored_layout_name.camelcase(:upper) swt_layout_class = eval(swt_layout_name) unless swt_layout_class.ancestors.include?(org.eclipse.swt..Layout) raise NameError, "Class #{swt_layout_class} matching #{underscored_layout_name} is not a subclass of org.eclipse.swt.widgets.Layout" end swt_layout_class rescue => e Glimmer.logger.debug "#{e.}\n#{e.backtrace.join("\n")}" raise e end |
Instance Method Details
#apply_property_type_converters(attribute_name, args) ⇒ Object
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# File 'lib/glimmer/swt/g_layout.rb', line 61 def apply_property_type_converters(attribute_name, args) if args.count == 1 && GSWT.has_constant?(args.first) args[0] = GSWT.constant(args.first) end end |
#attribute_setter(attribute_name) ⇒ Object
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# File 'lib/glimmer/swt/g_layout.rb', line 67 def attribute_setter(attribute_name) "#{attribute_name.to_s.camelcase(:lower)}=" end |
#has_attribute?(attribute_name, *args) ⇒ Boolean
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# File 'lib/glimmer/swt/g_layout.rb', line 52 def has_attribute?(attribute_name, *args) @layout.respond_to?(attribute_setter(attribute_name), args) end |
#process_block(block) ⇒ Object
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# File 'lib/glimmer/swt/g_layout.rb', line 48 def process_block(block) block.call(@layout) end |
#set_attribute(attribute_name, *args) ⇒ Object
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# File 'lib/glimmer/swt/g_layout.rb', line 56 def set_attribute(attribute_name, *args) apply_property_type_converters(attribute_name, args) @layout.send(attribute_setter(attribute_name), *args) end |