Re: Graphical Query Builder -- expanding public requires annoying double click

From: Guillaume Lelarge

> Le 23/09/2010 22:37, Thom Brown a écrit :
>> On 23 September 2010 21:31, Dave Page <dpage(at)pgadmin(dot)org> wrote:
>>> On Thu, Sep 23, 2010 at 9:27 PM, Peter Dietz <pdietz84(at)gmail(dot)com> wrote:
>>>> Hi All,
>>>> I have a minor grievance with pgAdmin3's Graphical Query Builder.
>>>> I click plus on Schemas, then public has no plus, so I must double click
>>>> public, then the plus button appears, which I can then click to expand the
>>>> list to see whats in my database.
>>>> [-] my-database-name
>>>> [+] Catalogs
>>>> [-] Schemas
>>>> public
>>>> I would like that public would already have the expand symbol present by
>>>> default.
>>>> This is only a minor inconvenience, but it will hopefully save me, and every
>>>> other user a little bit of time.
>>>
>>> It probably wouldn't, because it would require pre-populating the
>>> node. If you have multiple schemas, that means scanning all of them
>>> for objects in advance of when you actually want them.
>>
>> It is a bit unintuitive to present the user with a tree which suddenly
>> stops, but expect them to know to double click on it to go further.
>> Couldn't this have a [+] anyway, which would disappear if there was
>> nothing inside? And is there that much of a cost of doing the scan
>> anyway? The user will nearly always need to open the schema node
>> anyway.
>>
>
> I'm not sure we can do this. The "+" sign appears when the node has
> children. And before one double clicks on the node, there are no
> children to this node.
>
> I don't say this is impossible. Just that I don't see an easy way to
> code what you want.

The file browsers I am familiar with display the "+" by default and assume there are children until they have reason to scan and find there are none, Then the "+" disappears.

Bob McConnell