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Setup picker tableview cell to mimic xamarin forms picker

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This commit is contained in:
Kyle Spearrin 2016-07-12 22:38:36 -04:00
parent 822a14e56c
commit 4723e6a101
2 changed files with 125 additions and 17 deletions
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132
src/iOS.Core/Views/PickerTableViewCell.cs
View file

@ -1,4 +1,5 @@
using System;
using CoreGraphics;
using System;
using System.Collections.Generic;
using System.Drawing;
using UIKit;
@ -7,14 +8,35 @@ namespace Bit.iOS.Core.Views
{
public class PickerTableViewCell : UITableViewCell
{
public PickerTableViewCell(string labelName)
private List<string> _items = new List<string>();
private int _selectedIndex = -1;
public PickerTableViewCell(
string labelName,
nfloat? height = null)
: base(UITableViewCellStyle.Default, nameof(PickerTableViewCell))
{
TextLabel.Text = labelName;
var descriptor = UIFontDescriptor.PreferredBody;
var pointSize = descriptor.PointSize;
var entry = new UITextField { BorderStyle = UITextBorderStyle.RoundedRect };
entry.Started += Entry_Started;
entry.Ended += Entry_Ended;
Label = new UILabel
{
Text = labelName,
TranslatesAutoresizingMaskIntoConstraints = false,
Font = UIFont.FromDescriptor(descriptor, 0.8f * pointSize),
TextColor = new UIColor(red: 0.47f, green: 0.47f, blue: 0.47f, alpha: 1.0f)
};
ContentView.Add(Label);
TextField = new NoCaretField
{
BorderStyle = UITextBorderStyle.None,
TranslatesAutoresizingMaskIntoConstraints = false,
Font = UIFont.FromDescriptor(descriptor, pointSize)
};
TextField.Started += Entry_Started;
TextField.Ended += Entry_Ended;
var width = (float)UIScreen.MainScreen.Bounds.Width;
var toolbar = new UIToolbar(new RectangleF(0, 0, width, 44))
@ -28,21 +50,89 @@ namespace Bit.iOS.Core.Views
var s = (PickerSource)Picker.Model;
if(s.SelectedIndex == -1 && Items != null && Items.Count > 0)
{
UpdatePickerSelectedIndex(0);
}
entry.ResignFirstResponder();
TextField.Text = s.SelectedItem;
TextField.ResignFirstResponder();
});
toolbar.SetItems(new[] { spacer, doneButton }, false);
entry.InputView = Picker;
entry.InputAccessoryView = toolbar;
TextField.InputView = Picker;
TextField.InputAccessoryView = toolbar;
ContentView.Add(TextField);
ContentView.AddConstraints(new NSLayoutConstraint[] {
NSLayoutConstraint.Create(TextField, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, ContentView, NSLayoutAttribute.Leading, 1f, 15f),
NSLayoutConstraint.Create(ContentView, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, TextField, NSLayoutAttribute.Trailing, 1f, 15f),
NSLayoutConstraint.Create(ContentView, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, TextField, NSLayoutAttribute.Bottom, 1f, 10f),
NSLayoutConstraint.Create(TextField, NSLayoutAttribute.Top, NSLayoutRelation.Equal, Label, NSLayoutAttribute.Bottom, 1f, 10f),
NSLayoutConstraint.Create(Label, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, ContentView, NSLayoutAttribute.Leading, 1f, 15f),
NSLayoutConstraint.Create(Label, NSLayoutAttribute.Top, NSLayoutRelation.Equal, ContentView, NSLayoutAttribute.Top, 1f, 10f),
NSLayoutConstraint.Create(ContentView, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, Label, NSLayoutAttribute.Trailing, 1f, 15f)
});
if(height.HasValue)
{
ContentView.AddConstraint(
NSLayoutConstraint.Create(TextField, NSLayoutAttribute.Height, NSLayoutRelation.Equal, null, NSLayoutAttribute.NoAttribute, 1f, height.Value));
}
Picker.Model = new PickerSource(this);
}
public UITextField TextField { get; set; }
public UILabel Label { get; set; }
public UIPickerView Picker { get; set; } = new UIPickerView();
public int MyProperty { get; set; }
public List<string> Items { get; set; } = new List<string>();
public int SelectedIndex { get; set; }
public List<string> Items
{
get { return _items; }
set
{
_items = value;
UpdatePicker();
}
}
public int SelectedIndex
{
get { return _selectedIndex; }
set
{
_selectedIndex = value;
UpdatePicker();
}
}
public string SelectedItem => TextField.Text;
private void UpdatePicker()
{
TextField.Text = SelectedIndex == -1 || Items == null ? "" : Items[SelectedIndex];
Picker.ReloadAllComponents();
if(Items == null || Items.Count == 0)
{
return;
}
UpdatePickerSelectedIndex(SelectedIndex);
}
private void UpdatePickerFromModel(PickerSource s)
{
TextField.Text = s.SelectedItem;
_selectedIndex = s.SelectedIndex;
}
private void UpdatePickerSelectedIndex(int formsIndex)
{
var source = (PickerSource)Picker.Model;
source.SelectedIndex = formsIndex;
source.SelectedItem = formsIndex >= 0 ? Items[formsIndex] : null;
Picker.Select(Math.Max(formsIndex, 0), 0, true);
}
private void Entry_Ended(object sender, EventArgs e)
{
@ -54,9 +144,20 @@ namespace Bit.iOS.Core.Views
//throw new NotImplementedException();
}
private class NoCaretField : UITextField
{
public NoCaretField() : base(default(CGRect))
{ }
public override CGRect GetCaretRectForPosition(UITextPosition position)
{
return default(CGRect);
}
}
private class PickerSource : UIPickerViewModel
{
readonly PickerTableViewCell _cell;
private readonly PickerTableViewCell _cell;
public PickerSource(PickerTableViewCell cell)
{
@ -64,7 +165,6 @@ namespace Bit.iOS.Core.Views
}
public int SelectedIndex { get; internal set; }
public string SelectedItem { get; internal set; }
public override nint GetComponentCount(UIPickerView picker)
@ -95,7 +195,7 @@ namespace Bit.iOS.Core.Views
SelectedIndex = (int)row;
}
//_renderer.UpdatePickerFromModel(this);
_cell.UpdatePickerFromModel(this);
}
}
}

10
src/iOS.Extension/SiteAddViewController.cs
View file

@ -33,6 +33,7 @@ namespace Bit.iOS.Extension
public UITableViewCell GeneratePasswordCell { get; set; } = new UITableViewCell(UITableViewCellStyle.Subtitle, "GeneratePasswordCell");
public SwitchTableViewCell FavoriteCell { get; set; } = new SwitchTableViewCell("Favorite");
public FormEntryTableViewCell NotesCell { get; set; } = new FormEntryTableViewCell(useTextView: true, height: 90);
public PickerTableViewCell FolderCell { get; set; } = new PickerTableViewCell(AppResources.Folder);
public override void ViewWillAppear(bool animated)
{
@ -87,6 +88,9 @@ namespace Bit.iOS.Extension
GeneratePasswordCell.TextLabel.Text = "Generate Password";
GeneratePasswordCell.Accessory = UITableViewCellAccessory.DisclosureIndicator;
FolderCell.Items = new List<string> { "Folder 1", "Folder 2" };
FolderCell.SelectedIndex = 1;
TableView.RowHeight = UITableView.AutomaticDimension;
TableView.EstimatedRowHeight = 70;
TableView.Source = new TableSource(this);
@ -195,7 +199,11 @@ namespace Bit.iOS.Extension
}
else if(indexPath.Section == 1)
{
if(indexPath.Row == 1)
if(indexPath.Row == 0)
{
return _controller.FolderCell;
}
else if(indexPath.Row == 1)
{
return _controller.FavoriteCell;
}