Tip: Interface patterns give you an opportunity to explore different interface designs. Be sure to check out How to Adapt a Pattern for Your Application.
Limit the number of rows that can be selected to an arbitrary number.
Note: This expression uses direct references to the Employee record type, created in the Records Tutorial. If you've completed that tutorial in your environment, you can change the existing record-type references in this pattern to point to your Employee record type instead.
This scenario demonstrates:
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a!localVariables(
local!selection,
/* This is the maximum number of rows you can select from the grid. */
local!selectionLimit: 2,
/*This variable would be used to pass the full rows of data on the selected items out of this interface, such as to a process model. */
local!selectedEmployees,
{
a!columnsLayout(
columns: {
a!columnLayout(
contents: {
a!gridField(
label: "Employees",
labelPosition: "ABOVE",
instructions: "Select up to " & local!selectionLimit & " employees.",
data: recordType!Employee,
columns: {
a!gridColumn(
label: "ID",
sortField: "id",
value: fv!row[recordType!Employee.fields.id],
width: "ICON"
),
a!gridColumn(
label: "First Name",
sortField: "firstName",
value: fv!row[recordType!Employee.fields.firstName]
),
a!gridColumn(
label: "Last Name",
sortField: "lastName",
value: fv!row[recordType!Employee.fields.lastName]
),
a!gridColumn(
label: "Phone Number",
sortField: "phoneNumber",
value: fv!row[recordType!Employee.fields.phoneNumber]
)
},
pagesize: 10,
selectable: true,
selectionstyle: "ROW_HIGHLIGHT",
/* This is where we pass the maximum number of rows you can select into the grid. */
maxSelections: local!selectionLimit,
selectionvalue: local!selection,
showSelectionCount: "ON",
selectionSaveInto: {
local!selection,
/*This save adds the full rows of data for items selected in the most recent user interaction to local!selectedEmployees. */
a!save(
local!selectedEmployees,
append(
local!selectedEmployees,
fv!selectedRows
)
),
/*This save removes the full rows of data for items deselected in the most recent user interaction to local!selectedEmployees. */
a!save(
local!selectedEmployees,
difference(
local!selectedEmployees,
fv!deselectedRows
)
)
}
),
},
width: "WIDE"
),
a!columnLayout(
contents: {
a!sectionLayout(
label: "Selected Employees",
contents: {
a!richTextDisplayField(
value: if(
or(
isnull(local!selectedEmployees),
length(local!selectedEmployees) = 0
),
a!richTextItem(text: "None", style: "EMPHASIS"),
{}
),
marginBelow: "NONE"
),
a!forEach(
local!selectedEmployees,
a!cardLayout(
contents: {
a!sideBySideLayout(
items: {
a!sideBySideItem(
item: a!richTextDisplayField(
value: {
if(
or(
isnull(local!selectedEmployees),
length(local!selectedEmployees) = 0
),
a!richTextItem(text: "None", style: "EMPHASIS"),
{
a!richTextIcon(icon: "USER-CIRCLE", color: "ACCENT")
}
)
},
marginBelow: "LESS"
),
width: "MINIMIZE"
),
a!sideBySideItem(
item: a!richTextDisplayField(
value: {
if(
or(
isnull(local!selectedEmployees),
length(local!selectedEmployees) = 0
),
a!richTextItem(text: "None", style: "EMPHASIS"),
{ a!richTextItem(text: fv!item.[recordType!Employee.fields.firstName] & " " & fv!item.[recordType!Employee.fields.lastName] ) }
)
},
marginBelow: "LESS"
)
),
a!sideBySideItem(
item: a!richTextDisplayField(
value: {
if(
or(
isnull(local!selectedEmployees),
length(local!selectedEmployees) = 0
),
a!richTextItem(text: "None", style: "EMPHASIS"),
{
a!richTextIcon(
icon: "times",
link: a!dynamicLink(
value: fv!index,
saveInto: {
a!save(
local!selection,
remove(local!selection, fv!index)
),
a!save(
local!selectedEmployees,
remove(local!selectedEmployees, fv!index)
)
}
),
linkStyle: "STANDALONE",
color: "SECONDARY"
),
char(10)
}
)
},
marginBelow: "LESS"
),
width: "MINIMIZE"
)
}
)
},
marginBelow: "EVEN_LESS"
)
)
}
),
}
)
}
)
}
)
Limit the Number of Rows in a Grid That Can Be Selected