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From: Jeff Higgins <jeff@invalid.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: Disabling generated buttons
Date: Mon, 02 Feb 2015 21:10:32 -0500
Organization: A noiseless patient Spider
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On 02/02/2015 08:42 PM, Jeff Higgins wrote:
> On 02/02/2015 07:35 PM, Jeff Higgins wrote:
>> On 02/02/2015 07:29 PM, Jeff Higgins wrote:
>>> On 02/02/2015 02:25 PM, Cecil Westerhof wrote:
>>>> Op Monday 2 Feb 2015 19:24 CET schreef FredK:
>>>>>
>>>>> The above add() saves the buttons, so now you are saving them in two
>>>>> places. Presumably "this" is some kind of JPanel. The buttons you
>>>>> added are available by calling this.getComponents()
>>>>
>>>> The buttons are on a JFrame, but there are other buttons also on
>>>> the JFrame and only the Colour buttons should be disabled. That is why
>>>> I use the array. But I look into a cleaner solution.
>>>>
>>> Another shrug.
>>> Component.getClientProperty(Object key)
>>> Component.putClientProperty(Object key, Object value)
>>>
>> But probably as expensive memory-wise as an array of references.
>> And certainly more expensive code-complexity-wise.
>>
> You could use the button's text as a distinguishing feature,
> but the way that you've shown:
> new JButton("" + colour);
> is guaranteed by the api to be implementation dependent.
> My implementation sets the button text to "java.awt.Color[r=0,g=0,b=255]".
> The complexity of a "smart" solution vs the small memory
> overhead of the "dumb" solution.
>
This is what I meant by "MagicButton".
Perhaps I should have used "SmartButton".