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F82878663
Empty.m
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Created
Fri, Sep 13, 23:36
Size
2 KB
Mime Type
text/html
Expires
Sun, Sep 15, 23:36 (1 d, 23 h)
Engine
blob
Format
Raw Data
Handle
20768143
Attached To
rINSTCONTROL Instrument Control
Empty.m
View Options
function
obj
=
Empty
(
varargin
)
%
uix
.
Empty
Create
an
empty
space
%
%
obj
=
uix
.
Empty
()
creates
an
empty
space
that
can
be
used
to
add
gaps
%
between
elements
in
layouts
.
%
%
obj
=
uix
.
Empty
(
param
,
value
,...)
also
sets
one
or
more
property
%
values
.
%
%
See
the
<
a
href
=
"matlab:doc uix.Empty"
>
documentation
</
a
>
for
more
detail
and
the
list
of
properties
.
%
%
Examples:
%
>>
f
=
figure
();
%
>>
box
=
uix
.
HBox
(
'
Parent
'
,
f
);
%
>>
uicontrol
(
'
Parent
'
,
box
,
'
Background
'
,
'r'
)
%
>>
uix
.
Empty
(
'
Parent
'
,
box
)
%
>>
uicontrol
(
'
Parent
'
,
box
,
'
Background
'
,
'b'
)
%
Copyright
2009
-
2016
The
MathWorks
,
Inc
.
%
$Revision:
1436
$
$Date:
2016
-
11
-
17
17
:
53
:
29
+
0000
(
Thu
,
17
Nov
2016
)
$
%
Create
uicontainer
obj
=
matlab
.
ui
.
container
.
internal
.
UIContainer
(
'
Tag
'
,
'
empty
'
,
varargin
{
:
}
);
%
Create
property
for
Parent
listener
p
=
addprop
(
obj
,
'
ParentListener
'
);
p
.
Hidden
=
true
;
%
Create
Parent
listener
obj
.
ParentListener
=
event
.
proplistener
(
obj
,
...
findprop
(
obj
,
'
Parent
'
),
'
PostSet
'
,
@
(
~
,
~
)
onParentChanged
(
obj
)
);
%
Create
property
for
Parent
color
listener
p
=
addprop
(
obj
,
'
ParentColorListener
'
);
p
.
Hidden
=
true
;
%
Initialize
color
and
listener
updateColor
(
obj
)
updateListener
(
obj
)
end
%
uix
.
Empty
function
onParentChanged
(
obj
)
%
onParentColorChanged
Event
handler
%
Update
color
and
listener
updateColor
(
obj
)
updateListener
(
obj
)
end
%
onParentChanged
function
onParentColorChanged
(
obj
)
%
onParentColorChanged
Event
handler
%
Update
color
updateColor
(
obj
)
end
%
onParentColorChanged
function
name
=
getColorProperty
(
obj
)
%
getColorProperty
Get
color
property
names
=
{
'
Color
','
BackgroundColor
'
};
%
possible
names
for
ii
=
1
:
numel
(
names
)
%
loop
over
possible
names
name
=
names
{
ii
};
if
isprop
(
obj
,
name
)
return
end
end
error
(
'
Cannot
find
color
property
for
%
s
.
'
,
class
(
obj
)
)
end
%
getColorProperty
function
updateColor
(
obj
)
%
updateColor
Set
uicontainer
BackgroundColor
to
match
Parent
parent
=
obj
.
Parent
;
if
isempty
(
parent
),
return
,
end
property
=
getColorProperty
(
parent
);
color
=
parent
.(
property
);
try
obj
.
BackgroundColor
=
color
;
catch
e
warning
(
e
.
identifier
,
e
.
message
)
%
rethrow
as
warning
end
end
%
updateColor
function
updateListener
(
obj
)
%
updateListener
Create
listener
to
parent
color
property
parent
=
obj
.
Parent
;
if
isempty
(
parent
)
obj
.
ParentColorListener
=
[];
else
property
=
getColorProperty
(
parent
);
obj
.
ParentColorListener
=
event
.
proplistener
(
parent
,
...
findprop
(
parent
,
property
),
'
PostSet
'
,
...
@
(
~
,
~
)
onParentColorChanged
(
obj
)
);
end
end
%
updateListener
Event Timeline
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