feat: freeze first column - iOS (#87)

* feat: freeze first column ios * fix: add total resize * fix: out of bounds Co-authored-by: Vittorio Cellucci <[email protected]>
qlik-oss · Feb 9, 2023 · bcce6f4 · bcce6f4
1 parent ebcede7
commit bcce6f4
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Showing 27 changed files with 1,162 additions and 625 deletions.
diff --git a/ios/.swiftlint.yml b/ios/.swiftlint.yml
@@ -1,3 +1,6 @@
 disabled_rules:
   - line_length
   - identifier_name
+  - function_body_length
+  - file_length
+  - type_body_length
diff --git a/ios/ColorParser.swift b/ios/ColorParser.swift
@@ -26,7 +26,7 @@ class ColorParser {
     "teal": .systemTeal]
 
   func fromCSS(cssString: String) -> UIColor {
-    if(cssString == "none") {
+    if cssString == "none" {
       return UIColor.clear
     }
     let hex = cssString.trimmingCharacters(in: CharacterSet.alphanumerics.inverted)
@@ -47,7 +47,7 @@ class ColorParser {
       return UIColor(red: CGFloat(r) / 255, green: CGFloat(g) / 255, blue: CGFloat(b) / 255, alpha: CGFloat(a) / 255)
     } else if hex.hasPrefix("rgb") {
       var rgbString = hex.replacingOccurrences(of: "rgb(", with: "")
-      if(hex.hasPrefix("rgba")) {
+      if hex.hasPrefix("rgba") {
         rgbString = hex.replacingOccurrences(of: "rgba(", with: "")
       } else {
         rgbString = hex.replacingOccurrences(of: "rgb(", with: "")

diff --git a/ios/ColumnWidths.swift b/ios/ColumnWidths.swift
@@ -9,64 +9,68 @@ import Foundation
 import Combine
 
 class ColumnWidths {
-  var columnWidths = [Double]();
+  var columnWidths = [Double]()
   var key: String?
-  
+
   func resetColumnWidths(widths: [Double]) {
     columnWidths = widths
   }
-
+
+  func count() -> Int {
+    return columnWidths.count
+  }
+
   func loadDefaultWidths(_ frame: CGRect, columnCount: Int, dataRows: [DataRow]) {
-    if(!loadFromStorage(columnCount)) {
+    if !loadFromStorage(columnCount) {
       let defaultWidth = frame.width / Double(columnCount)
       let widths = [Double](repeating: defaultWidth, count: columnCount)
       resetColumnWidths(widths: widths)
       calculateDefaultColWidth(dataRows: dataRows, defaultWidth: defaultWidth, columnCount: columnCount, frame: frame)
     }
   }
-  
+
   fileprivate func loadFromStorage(_ columnCount: Int) -> Bool {
     let storageKey = getStorageKey()
     let defaults = UserDefaults.standard
     if let data = defaults.array(forKey: storageKey)  as? [Double] {
-      if(data.count != columnCount) {
+      if data.count != columnCount {
         return false
       }
       resetColumnWidths(widths: data)
       return true
     }
     return false
   }
-  
+
   func saveToStorage() {
     let storageKey = getStorageKey()
     let defaults = UserDefaults.standard
     defaults.set(columnWidths, forKey: storageKey)
   }
-  
+
   fileprivate func getStorageKey() -> String {
     guard let key = key else {return ""}
-    let prefix = UIDevice.current.orientation.isLandscape ? "landscape." : "portrait.";
+    let prefix = UIDevice.current.orientation.isLandscape ? "landscape." : "portrait."
     let storageKey = prefix + key
     return storageKey
   }
-  
+
   func calculateDefaultColWidth(dataRows: [DataRow], defaultWidth: Double, columnCount: Int, frame: CGRect) {
     // get max width
     var widths = [Double](repeating: defaultWidth, count: columnCount)
     var totalWidth = 0.0
-    columnWidths.enumerated().forEach{ (index, value) in
+    columnWidths.enumerated().forEach { (index, _) in
       let maxWidth = getMaxWidthFrom(dataRows: dataRows, index: index)
       widths[index] = maxWidth
       totalWidth += maxWidth
     }
-    if(totalWidth > frame.width){
+    if totalWidth > frame.width {
       resetColumnWidths(widths: widths)
     }
-    
+
   }
-  
-  fileprivate func getMaxWidthFrom(dataRows : [DataRow], index: Int) -> Double {
+
+  fileprivate func getMaxWidthFrom(dataRows: [DataRow], index: Int) -> Double {
     var maxWidth = 0.0
     for row in dataRows {
       let fontAttribute = [NSAttributedString.Key.font: UIFont.systemFont(ofSize: 16.0)]
@@ -76,17 +80,20 @@ class ColumnWidths {
     }
     return maxWidth
   }
-  
+
   func getTotalWidth() -> Double {
     return columnWidths.reduce(0, { $0 + $1 })
   }
-
+
+  func getTotalWidth(range: CountableRange<Int>) -> Double {
+    return columnWidths[range].reduce(0, { $0 + $1 })
+  }
+
   func resize(index: Int, by: CGPoint) {
     columnWidths[index] += by.x
     if index + 1 < columnWidths.count {
       columnWidths[index + 1] -= by.x
     }
   }
-
-
+
 }