Class: Tk::OptionObj
- Inherits:
-
Hash
show all
- Includes:
- TkUtil
- Defined in:
- ext/lib/tk/optionobj.rb
Constant Summary
Constants included
from TkUtil
TkUtil::None, TkUtil::RELEASE_DATE
Instance Method Summary
collapse
Methods included from TkUtil
_conv_args, #_conv_args, #_fromUTF8, _get_eval_enc_str, #_get_eval_enc_str, #_get_eval_string, _get_eval_string, _symbolkey2str, #_symbolkey2str, #_toUTF8, bool, #bool, callback, eval_cmd, #hash_kv, hash_kv, install_cmd, num_or_str, #num_or_str, number, #number, string, #string, uninstall_cmd
Constructor Details
#initialize(hash = nil) ⇒ OptionObj
Returns a new instance of OptionObj.
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# File 'ext/lib/tk/optionobj.rb', line 16
def initialize(hash = nil)
super()
@observ = []
update_without_notify(_symbolkey2str(hash)) if hash
end
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Instance Method Details
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# File 'ext/lib/tk/optionobj.rb', line 162
def +(hash)
unless hash.kind_of?(Hash)
fail ArgumentError, "expect a Hash"
end
new_obj = self.dup
new_obj.update_without_notify(_symbolkey2str(hash))
new_obj
end
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#[](key) ⇒ Object
Also known as:
cget
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# File 'ext/lib/tk/optionobj.rb', line 186
def [](key)
super(key.to_s)
end
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#[]=(key, val) ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 196
def []=(key, val)
store(key,val)
end
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#assign(*wins) ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 58
def assign(*wins)
wins.each{|win|
_remove_win(win)
@observ << win
notify(win)
}
self
end
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# File 'ext/lib/tk/optionobj.rb', line 178
def configure(key, value=nil)
if key.kind_of?(Hash)
update(key)
else
store(key,value)
end
end
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#notify(target = nil) ⇒ Object
Also known as:
apply
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# File 'ext/lib/tk/optionobj.rb', line 98
def notify(target = nil)
if target
targets = [target]
elsif @observ.empty?
return self
else
targets = @observ.dup
end
return self if empty?
org_hash = _symbolkey2str(self)
targets.each{|win|
widget = receiver = win
hash = org_hash
begin
if win.kind_of?(Array)
widget, method, conv_tbl = win
receiver = widget
if conv_tbl
hash = {}
org_hash.each{|key, val|
key = conv_tbl[key] if conv_tbl.key?(key)
next unless key
if key.kind_of?(Array)
key.each{|k| hash[k] = val}
else
hash[key] = val
end
}
end
if method.kind_of?(Array)
receiver, method, *args = method
receiver.__send__(method, *(args << hash))
elsif method
widget.__send__(method, hash)
else
widget.configure(hash)
end
else
widget.configure(self)
end
rescue => e
if ( ( widget.kind_of?(TkObject) \
&& widget.respond_to?('exist?') \
&& ! receiver.exist? ) \
|| ( receiver.kind_of?(TkObject) \
&& receiver.respond_to?('exist?') \
&& ! receiver.exist? ) )
@observ.delete(win)
else
fail e
end
end
}
self
end
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#observ_info ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 22
def observ_info
@observ.dup
end
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# File 'ext/lib/tk/optionobj.rb', line 26
def observs
@observ.collect{|win|
if win.kind_of?(Array)
win[0]
else
win
end
}
end
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#replace(hash) ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 200
def replace(hash)
super(_symbolkey2str(hash))
notify
end
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#store(key, val) ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 191
def store(key, val)
key = key.to_s
super(key, val)
notify
end
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#unassign(*wins) ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 91
def unassign(*wins)
wins.each{|win|
_remove_win(win)
}
self
end
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#update(hash) ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 173
def update(hash)
update_without_notify(_symbolkey2str(hash))
notify
end
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#update_without_notify ⇒ Object
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# File 'ext/lib/tk/optionobj.rb', line 171
alias update_without_notify update
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