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What is the recommended way to set up definitions for or initialize a palette?
*To*: mathgroup at smc.vnet.net
*Subject*: [mg123944] What is the recommended way to set up definitions for or initialize a palette?
*From*: Szabolcs Horvát <szhorvat at gmail.com>
*Date*: Sun, 1 Jan 2012 02:28:24 -0500 (EST)
*Delivered-to*: l-mathgroup@mail-archive0.wolfram.com
Dear MathGroup,
Suppose we need to create a palette with several buttons.
These buttons do complex tasks and need to share some functions (i.e.
there's a set of custom functions that several of the buttons might
call). These functions may also depend on some standard packages.
Question: What is the best way to define these functions, so they can be
used by the palette?
I'd prefer to make the palette as self-contained as possible, and open
it from the Palettes menu (i.e. it is not convenient to have the palette
open as the side effect of loading a package).
Some things to point out:
* This must work even when the kernel
* I am not completely sure if it is necessary to use fully qualified
names (i.e. JLink`JavaNew instead of JavaNew) in the code if the
packages that are being used are not guaranteed to be loaded when
the palette is opened.
* I'm interested in both one-button and multi-button palette solutions.
-------------8<-------------
Here's a simplified example to show what I'm doing currently (this is
different code from what I have and is only for illustration). I'm sure
there's a lot of room for improvement!
button=Button["do it!",
Module[{},
(* one-time initialization *)
If[!ValueQ[myPalette`defined],
Needs["GraphUtilities`"];
myPalette`defined=True;
myPalette`doIt[] := Print["done!"];
];
(* button functionaliry *)
GraphUtilities`GraphPath[{1->2},1,2]; (* use package function *)
myPalette`doIt[];
]
]
CreatePalette[button]
--
Szabolcs Horv=E1t
Mma QA site proposal: http://area51.stackexchange.com/proposals/37304
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