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Reply to Best way to make a grid with both top and left headers
Using private var columns: [GridItem] = [ GridItem(.fixed(100)), GridItem(.fixed(100)), GridItem(.fixed(100)) ] is the best way to guarantee them to be the same size. Using .flexible will allow to you either set nothing or the min/max. The size will change depending on the content though (and same with adaptive ). For this, you can ensure equal column widths if you make the header the same width for each column.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
May ’23
HStack required to get columns in a Grid
I've looked at lots of Grid examples. I've seen it documented that views within a GridRow are treated as if they were in an HStack. That's not happening for me. I have to explicitly put them into an HStack or they are treated as new rows. Here's my code: @State private var gridRows : Int = 4 @State private var gridCols : Int = 2 @State private var myItems : [Int] = Array(0...8) var body: some View { Group { if myItems.count > 0 { ScrollView([.vertical]) { Grid(alignment: .leading) { ForEach(0..<<--- { ForEach(0..
Topic: UI Frameworks SubTopic: SwiftUI
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343
Nov ’24
Reply to UISplitViewController push UIViewController to supplementary column
I have the same issue. It is my understanding that the old 'detail' paradigm no longer applies with the new two-column / three-column styles. It means, that there is no master/detail now, but just primary, supplementary, secondary and compact columns. So even if showDetail works in some cases, it is actually an anomaly. Until we get a first-class segue for 'columns' (eg. showSupplementary, showSecondary, showCompact), we may have to just set things programatically using setViewController(_:for:) methods. Furthermore, I don't think the new documentation prescribes any specific direction in which the settings should be made (eg. Primary -> Supplementary -> Secondary). For example, an app may choose to populate supplementary and secondary at the same time (eg. Supplementary showing the overview of Secondary content), or secondary may drive the supplementary column. (eg. supplementary shows a snippet of secondary content). For these reasons, defining new segues m
Topic: UI Frameworks SubTopic: UIKit Tags:
Jan ’21
Reply to How to capture unknown number of matches using RegexBuilder?
Just want to clarify, suppose I want to parse a table with multiple columns each separated by “|”, I can do one of the followings and use firstMatch(of: regex) or wholeMatch(of: regex), but they assume fixed number of columns in the table. How do I deal with dynamic number of columns? // using multi-line literal let regex = #/ (|) (? (.*?)(?=|)) (|) (? (.*?)(?=|)) (|) (? (.*?)(?=|)) /# // using RegexBuilder let separator = /|/ let regexBuilder = Regex { separator Capture ( OneOrMore(.any, .reluctant) ) separator Capture ( OneOrMore(.any, .reluctant) ) separator Capture ( OneOrMore(.any, .reluctant) ) separator }
Topic: App & System Services SubTopic: General Tags:
Jul ’23
Reply to Table column cannot show value with function tableView:aTableView objectValueForTableColumn:aTableColumn row:rowIndex
I think I called that function in wrong way. What do you mean precisely ? You do not call this func yourself. System calls it when needed to populate the given column * row with the content you specify. . And how does this function know which column it want to fill up the value, based on the second parameter I input? because what you specify in returned value depends on column (you test the identifier) and the row (you pick in the appropriate data source).
Topic: UI Frameworks SubTopic: AppKit Tags:
May ’22
SwiftUI Table sorts only the first column if the data is loaded later
All examples regarding SwiftUI Tables and sorting work fine, but they also have all the data available immediately. If I load the data in .task, sorting only works on the first column. Test data: struct Customer: Identifiable { let id = UUID() let name: String let email: String let creationDate: Date } func parseDate(from text: String) -> Date { let formatter = DateFormatter() formatter.dateFormat = dd/MM/yyyy return formatter.date(from: text) ?? Date() } func getTestData() -> [Customer] { return [ Customer(name: John Smith, email: john.smith@example.com, creationDate: parseDate(from: 04/11/2015)), Customer(name: Jane Doe, email: jane.doe@example.com, creationDate: parseDate(from: 29/04/2009)), Customer(name: Bob Johnson, email: bob.johnson@example.com, creationDate: parseDate(from: 01/08/2010))] } And here the view: table 1 populates the array in the initializer table 2 loads the content in .task, initially it is empty table 3 loads the content in .task, initially it contains one dummy object
Topic: UI Frameworks SubTopic: SwiftUI Tags:
1
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693
Mar ’24
Reply to GeometryReader problem
It turns out that the problem isn't with GeometryReader, it's with LazyVGrid. I'm not clear on why, but my grid with 5 columns doesn't always report the same size. I can make it work by adding a 6th column that doesn't get used in the view. Very odd.
Topic: UI Frameworks SubTopic: SwiftUI Tags:
Dec ’24