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colbyturybury
Post Patron
Post Patron

Control size of individual object in a gallery

I have a gallery and in that gallery is a single circle. The galleries item parameter has a variable that is populated by a button with the formula:

 

UpdateContext({varNumOfScreens:10});
UpdateContext({varNum: Sequence(varNumOfScreens)});

 

Below is a picture of the gallery. I want to be able to select any of those circles and change their size.

 

colbyturybury_0-1684879237982.png

 

 

 

 

12 REPLIES 12
turnerj3
Memorable Member
Memorable Member

I would go about it by making a slider visible OnSelect of the item. Then you would tie the object size to the slider value. Like:

height = defaultsize + slider.value

width = defaultsize + slider.value

zeg
Helper II
Helper II

@colbyturybury 

I am assuming that you are using the collection varNum as the gallery items.

If [ Being able to change the size of each circle separately using some kind of control (slider, text input etc.) ] is what you are trying to do then,

  1. you could just add a slider to a flexible height gallery and set the circle size. For example, height and width to slider.value (you are going to need some adjustments to the slider min max default values though. I have set slider visible to thisitem.iselected).
  2.  Or you could have just one slider outside the flexible height gallery and set the circle width and height to the values updatable by the slider.

This is how you can approach this.

f will change first varNum to a clearcollect as below

UpdateContext({varNumOfScreens:10});

ClearCollect(varNum, ForAll(Sequence(varNumOfScreens) As _screen, {circleId: _screen.Value, circleSize :50}));

Set the gallery items to varNum and circle Height/Width to ThisItem.circleSize.

Set the slider ( that is outside the gallery) onchange action to

UpdateIf(varNum,circleId = Gallery1.Selected.circleId,{circleSize:Self.Value})

If this is not what you are looking for please provide more details.

zeg_0-1684891489875.png

 



2023-05-24 102116.png

colbyturybury
Post Patron
Post Patron

I have followed your process but I can only change the first circle with the slider.

@colbyturybury 
Slider inside gallery or outside one?

outside

@colbyturybury 

I have tested again and it worked.
Button ( or reset buton) 

[OnSelect] => UpdateContext({varNumOfScreens:10});

ClearCollect(varNum, ForAll(Sequence(varNumOfScreens) As _screen, {circleId: _screen.Value, circleSize :50}));


Set Gallery1 [Items] to varNum
Set circle Height/Width to ThisItem.circleSize.

Set slider [OnChange] => UpdateIf(varNum,circleId = Gallery1.Selected.circleId,{circleSize:Self.Value})

Please revue your code.

colbyturybury
Post Patron
Post Patron

I noticed the circleID is being set by the selected circle in the gallery that I physically click. It appears to be working now

 

colbyturybury
Post Patron
Post Patron

Each of my screens has a number. I would like to have the circle id correspond to the number in that screen name instead of physically clicking it.

colbyturybury
Post Patron
Post Patron

This is the code to get the just the numbers from the screen name.

 

Value(Concat(Filter(Split(App.ActiveScreen.Name,""),IsNumeric(Value)),Value))

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