Class: ListSum

Inherits:
Gtk::HBox
  • Object
show all
Defined in:
lib/ListHolder/ListPanel/ListSum.rb

Overview

this file is part of manqod manqod is distributed under the CDDL licence the author of manqod is Dobai-Pataky Balint([email protected])

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(list_holder) ⇒ ListSum

Returns a new instance of ListSum.



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 6

def initialize(list_holder)
	@list_holder=list_holder
	super()
	@columns=Hash.new
	@renderers=Hash.new
	@values=Hash.new
	set_no_show_all(true)
	set_border_width(0)
	set_resize_mode(Gtk::ResizeMode::PARENT)
	signal_connect('destroy'){|me|
		renderers.each_value{|r| r.destroy if r}
	}
end

Instance Attribute Details

#columns ⇒ Object

Returns the value of attribute columns.



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 20

def columns
  @columns
end

#list_holder ⇒ Object

Returns the value of attribute list_holder.



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 19

def list_holder
  @list_holder
end

#renderers ⇒ Object

Returns the value of attribute renderers.



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 21

def renderers
  @renderers
end

Instance Method Details

#calculate ⇒ Object 



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 55

def calculate
	zero
	if list_holder.list.model
	list_holder.list.model.each{|model,path,iter|
		@columns.each_pair{|col_data,col| @values[col_data]+=iter[col.header["model_col"]].to_f}
	}
	end
	columns.each_key{|col_data| renderers[col_data].update(@values[col_data])}
end

#inspect ⇒ Object 



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 65

def inspect
	"ListSum of #{list_holder.list}"
end

#set_visible(visible) ⇒ Object 



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 39

def set_visible(visible)
	each{|child|
		if visible
			child.show
		else
			child.hide
		end
#			p child.inspect + child.visible?.to_s
	}
	super
end

#to_s ⇒ Object 



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 68

def to_s
	inspect
end

#update(notifier) ⇒ Object 



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 23

def update(notifier)
	@renderers.each_value{|renderer| renderer.destroy}
	@columns.clear
	@renderers.clear
	@values.clear
	list_holder.list.columns.each {|column| 
		renderers[column.data]=SumRendererText.new(column)
		pack_start(renderers[column.data])
		if column.summable?
			@values[column.data]=0.0
			@columns[column.data]=column
		end
	}
	return self
end

#zero ⇒ Object 



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# File 'lib/ListHolder/ListPanel/ListSum.rb', line 51

def zero
	@values.each_key{|key| @values[key]=0.0}
end