Class: RField

Inherits:
Gtk::ToggleButton
  • Object
show all
Defined in:
lib/RelationBuilder/RTable/RField.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(table, field = nil) ⇒ RField

Returns a new instance of RField.



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# File 'lib/RelationBuilder/RTable/RField.rb', line 6

def initialize(table,field=nil)
	@table=table
	super("",false)
	remove(child)
	@label=Gtk::Label.new
	set_child(@index_holder=Gtk::Table.new(5,1))
	@index_holder.attach(@label,0,1,0,1)
	@index_holder.attach(@primary_img=Gtk::Image.new(@table.parentM.img_primary.scale(10,10)).set_no_show_all(true),1,2,0,1,Gtk::SHRINK)
	@index_holder.attach(@unique_img=Gtk::Image.new(@table.parentM.img_unique.scale(10,10)).set_no_show_all(true),2,3,0,1,Gtk::SHRINK)
	@index_holder.attach(@index_img=Gtk::Image.new(@table.parentM.img_index.scale(10,10)).set_no_show_all(true),3,4,0,1,Gtk::SHRINK)
	set_field(field)
	signal_connect("toggled"){|me,ev| @table.parentM.changed(self)}
	signal_connect('button-press-event'){|me,ev|
		if ev.button == 3
			@table.parentM.set_focused_item(@table)
			menu=Gtk::Menu.new
			menu.signal_connect("deactivate",self){|menu,table| @table.parentM.set_focused_item(nil)}
			menu.append(pr=Gtk::ImageMenuItem.new("`#{field_name}` properties").set_image(Gtk::Image.new(Gtk::Stock::PROPERTIES,Gtk::IconSize::MENU)))
				pr.signal_connect("activate"){|me| @table.alter_field(@field)}
			if @table.parentM.rel_ed_status == :start
				menu.append(re=Gtk::ImageMenuItem.new("finish add relation here `#{field_name}`").set_image(Gtk::Image.new(Gtk::Stock::CONNECT,Gtk::IconSize::MENU)))
					re.signal_connect("activate"){|me| @table.parentM.rel_edit(self,:finish)}
				menu.append(rc=Gtk::ImageMenuItem.new("cancel relation").set_image(Gtk::Image.new(Gtk::Stock::CANCEL,Gtk::IconSize::MENU)))
					rc.signal_connect("activate"){|me| @table.parentM.rel_edit(self,:cancel)}
				else
				menu.append(re=Gtk::ImageMenuItem.new("start add relation here `#{field_name}`").set_image(Gtk::Image.new(Gtk::Stock::CONNECT,Gtk::IconSize::MENU)))
					re.signal_connect("activate"){|me| @table.parentM.rel_edit(self,:start)}
			end
			menu.append(rf=Gtk::ImageMenuItem.new("remove field `#{field_name}`").set_image(Gtk::Image.new(Gtk::Stock::REMOVE,Gtk::IconSize::MENU)))
				rf.signal_connect("activate"){|me| @table.remove_field(field_name)}
			menu.append(afa=Gtk::ImageMenuItem.new("append field after `#{field_name}`").set_image(Gtk::Image.new(Gtk::Stock::ADD,Gtk::IconSize::MENU)))
				afa.signal_connect("activate"){|me| @table.alter_field(nil,field_name)}
			menu.show_all
			menu.popup(nil,nil,ev.button,ev.time)
			true
			else
			false
		end
	}
end

Instance Attribute Details

#field ⇒ Object (readonly)

Returns the value of attribute field.



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# File 'lib/RelationBuilder/RTable/RField.rb', line 46

def field
  @field
end

#table ⇒ Object (readonly)

Returns the value of attribute table.



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# File 'lib/RelationBuilder/RTable/RField.rb', line 46

def table
  @table
end

Instance Method Details

#field_name ⇒ Object 



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# File 'lib/RelationBuilder/RTable/RField.rb', line 79

def field_name
	@field["Field"] || "undefined"
end

#inspect ⇒ Object 



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# File 'lib/RelationBuilder/RTable/RField.rb', line 89

def inspect
	"RField:#{field_name} of #{table}"
end

#set_field(field) ⇒ Object 



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# File 'lib/RelationBuilder/RTable/RField.rb', line 48

def set_field(field)
	@field=field
	@label.set_label(field["Field"]) unless field["Field"] == @label.label
	if f=@field["Type"].index("(")
		@field["Size"]=field["Type"][f+1 .. field["Type"].index(")") -1]
		@field["Type"]=field["Type"][0 .. f-1]
	end
	
	#set style
	set_style(@table.parentM.field_style[@field["Type"]]) if @table.parentM.field_style.has_key?(@field["Type"]) && style != @table.parentM.field_style[@field["Type"]]
	#remove old images
	#@index_holder.children.each{|ch| @index_holder.remove(ch)}
	#re-add label
	#@index_holder.attach(@label,0,1,0,2)
	#show images
	show_primary=false
	show_unique=false
	show_index=false
	@table.indexes.each{|index|
		if index["field"]==@field["Field"]
			show_primary=(index["name"]=="PRIMARY")
			show_unique=(index["unique"] == true)
			show_index=(index["unique"] == false)
		end
	}
	@primary_img.set_visible(show_primary) if @primary_img.visible? != show_primary
	@unique_img.set_visible(show_unique) if @unique_img.visible? != show_unique
	@index_img.set_visible(show_index) if @index_img.visible? != show_index
	show_all
end

#table_name ⇒ Object 



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# File 'lib/RelationBuilder/RTable/RField.rb', line 82

def table_name
	@table.table
end

#table_width ⇒ Object 



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# File 'lib/RelationBuilder/RTable/RField.rb', line 85

def table_width
	@table.widget.allocation.width
end

#to_s ⇒ Object 



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# File 'lib/RelationBuilder/RTable/RField.rb', line 92

def to_s
	inspect
end