Adobe 65007312 Programming Guide - Page 176

Create a data key for each of the sliders, one in each table, with an initial numeric value

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CHAPTER 9: Getting Started: A Tutorial Example Binding to multiple keys 176 2. In the body of this function, add code to create the function-context call you need for the property table: -- body of show-dialog function LrFunctionContext.callWithContext( "showCustomDialogWithMultipleBind", function( context ) -- body of called function end ) 3. In this context, create two observable tables: -- body of called function local tableOne = LrBinding.makePropertyTable( context ) local tableTwo = LrBinding.makePropertyTable( context ) 4. Create a data key for each of the sliders, one in each table, with an initial numeric value: tableOne.sliderOne = 0 tableTwo.sliderTwo = 50 5. At the top level, create the view hierarchy for the dialog. In this one, the root node is a column container with one row, and the controls in the row are grouped together using a group box container: local f = LrView.osFactory() -- obtain the view factory object local c = f:column { bind_to_object = tableOne, -- bind tableOne spacing = f:control_spacing(), f:row { f:group_box { title = "Slider One", font = "", f:slider { value = LrView.bind( "sliderOne" ), min = 0, max = 100, width = LrView.share( "slider_width" ) }, f:edit_field { place_horizontal = 0.5, value = LrView.bind( "sliderOne" ), width_in_digits = 7 }, }, f:group_box { title = "Slider Two", font = "", f:slider { bind_to_object = tableTwo, value = LrView.bind( "sliderTwo" ), min = 0, max = 100, width = LrView.share( "slider_width" ) }, f:edit_field { place_horizontal = 0.5, bind_to_object = tableTwo,

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C
HAPTER
9: Getting Started: A Tutorial Example
Binding to multiple keys
176
2.
In the body of this function, add code to create the function-context call you need for the property
table:
-- body of show-dialog function
LrFunctionContext.callWithContext( "showCustomDialogWithMultipleBind",
function( context )
-- body of called function
end )
3.
In this context, create two observable tables:
-- body of called function
local tableOne = LrBinding.makePropertyTable( context )
local tableTwo = LrBinding.makePropertyTable( context )
4.
Create a data key for each of the sliders, one in each table, with an initial numeric value:
tableOne.sliderOne = 0
tableTwo.sliderTwo = 50
5.
At the top level, create the view hierarchy for the dialog. In this one, the root node is a column
container with one row, and the controls in the row are grouped together using a group box
container:
local f = LrView.osFactory() -- obtain the view factory object
local c = f:column {
bind_to_object = tableOne, -- bind tableOne
spacing = f:control_spacing(),
f:row {
f:group_box {
title = "Slider One",
font = "<system>",
f:slider {
value = LrView.bind( "sliderOne" ),
min = 0,
max = 100,
width = LrView.share( "slider_width" )
},
f:edit_field {
place_horizontal = 0.5,
value = LrView.bind( "sliderOne" ),
width_in_digits = 7
},
},
f:group_box {
title = "Slider Two",
font = "<system>",
f:slider {
bind_to_object = tableTwo,
value = LrView.bind( "sliderTwo" ),
min = 0,
max = 100,
width = LrView.share( "slider_width" )
},
f:edit_field {
place_horizontal = 0.5,
bind_to_object = tableTwo,