ios - Dynamic Shapes in UITableView Cell (Swift) -


i new swift , having fits uiview class. have tableview (below) view object (left) , label (right). table works fine , labels appear expected.

tableview custom cell

where having trouble want view object next label contain various shapes , colors depending on values in array support table...

var tarray = [["row 1","row 2", "row 3", "row 4", "row 5"],               ["circle","circle","square","square","diamond"],               ["blue","red","green","red","purple"]]

so next "row 1", want have blue circle, etc. have linked view object custom class. need approach dynamically create shapes , fill appropriate colors.

in tableviewcontroller, have following, calling symbol class, , getting black circle (i hard-coded circle now)...

override func tableview(tableview: uitableview, cellforrowatindexpath indexpath: nsindexpath) -> uitableviewcell {      let cell = tableview.dequeuereusablecellwithidentifier("cell", forindexpath: indexpath)      cell.celllabel.text = tarray[0][indexpath.row]     cell.cellsymbol = symbol.init()     return cell }

in custom symbol class:

import uikit  class symbol: uiview {  var incolor: string var inshape: string  init (in_color: string, in_shape: string) {      self.incolor = in_color     self.inshape = in_shape      super.init(frame: cgrect(x: 0, y: 0, width: 70, height: 70))  }  override func drawrect(rect: cgrect) {      let path = uibezierpath(ovalinrect: rect)      switch self.incolor {     case "green" : uicolor.greencolor().setfill()     case "blue" : uicolor.bluecolor().setfill()     case "yellow" : uicolor.yellowcolor().setfill()     case "cyan" : uicolor.cyancolor().setfill()     case "red" : uicolor.redcolor().setfill()     case "brown" : uicolor.browncolor().setfill()     case "orange" : uicolor.orangecolor().setfill()     case "purple" : uicolor.purplecolor().setfill()     case "grey" : uicolor.darkgraycolor().setfill()     default: uicolor.blackcolor().setfill()     }      path.fill() }  required init?(coder adecoder: nscoder) {      self.incolor = ""     self.inshape = ""      super.init(coder: adecoder)  }  override init(frame: cgrect) {      self.incolor = ""     self.inshape = ""     super.init(frame: frame) }

}

i may going wrong , open other approaches entirely. in order compile, had add required init? , override init(frame: cgrect) entires. had put in initialization of self.incolor , .inshape compile, since i'm not passing in parameters those, have nothing assign.

so black circle every time. hard-coded circle keep simple. switch self.incolor nil every time, going down default case.

any suggestions appreciated!!!!

the "always black" error in code has been addressed https://stackoverflow.com/a/35049741/218152. below suggested improvements.

@ibinspectable

less code, more features

replace entire symbol class this:

@ibdesignable class symbol: uiview {      var color = uicolor.blackcolor()      @ibinspectable var incolor: string = "black" {         didset {             switch incolor {             case "green" : color = uicolor.greencolor()             case "blue" : color = uicolor.bluecolor()             case "yellow" : color = uicolor.yellowcolor()             case "cyan" : color = uicolor.cyancolor()             case "red" : color = uicolor.redcolor()             case "brown" : color = uicolor.browncolor()             case "orange" : color = uicolor.orangecolor()             case "purple" : color = uicolor.purplecolor()             case "grey" : color = uicolor.darkgraycolor()             default: color = uicolor.blackcolor()             }         }     }      override func drawrect(rect: cgrect) {         color.setfill()         let path = uibezierpath(ovalinrect: rect)         path.fill()     } }

use same way use previous 1 (cell.cellsymbol.incolor = ...). have advantage of being visually editable interface builder. not require special initialization (no init).

this implementation has added advantage accept uicolor directly, in cell.cellsymbol.color = ...
further improvements include using tintcolor instead of creating own instance, case-insensitive colors, enum instead of names.


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