Ooui-tws-port/Ooui.Forms/Cells/EntryCellElement.cs

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C#
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2018-04-26 23:55:23 +00:00
using System;
using System.ComponentModel;
using Ooui.Forms.Extensions;
using Xamarin.Forms;
namespace Ooui.Forms.Cells
{
public class EntryCellElement : CellElement
{
public Label TextLabel { get; } = new Label ();
public TextInput TextInput { get; } = new TextInput ();
public EntryCellElement ()
{
AppendChild (TextLabel);
AppendChild (TextInput);
TextInput.Change += TextInput_Change;
}
protected override void BindCell ()
{
Cell.PropertyChanged += Cell_PropertyChanged;
if (Cell is EntryCell cell) {
UpdateLabel (cell);
UpdateText (cell);
UpdatePlaceholder (cell);
UpdateLabelColor (cell);
}
base.BindCell ();
}
protected override void UnbindCell ()
{
Cell.PropertyChanged -= Cell_PropertyChanged;
base.UnbindCell ();
}
void Cell_PropertyChanged (object sender, PropertyChangedEventArgs e)
{
var entryCell = (EntryCell)sender;
if (e.PropertyName == EntryCell.LabelProperty.PropertyName)
UpdateLabel (entryCell);
else if (e.PropertyName == EntryCell.TextProperty.PropertyName)
UpdateText (entryCell);
else if (e.PropertyName == EntryCell.PlaceholderProperty.PropertyName)
UpdatePlaceholder (entryCell);
else if (e.PropertyName == EntryCell.LabelColorProperty.PropertyName)
UpdateLabelColor (entryCell);
}
void UpdateLabel (EntryCell entryCell)
{
TextLabel.Text = entryCell.Label ?? string.Empty;
}
void UpdateLabelColor (EntryCell entryCell)
{
TextLabel.Style.Color = entryCell.LabelColor.ToOouiColor (OouiTheme.TextColor);
}
void UpdatePlaceholder (EntryCell entryCell)
{
TextInput.Placeholder = entryCell.Placeholder ?? string.Empty;
}
void UpdateText (EntryCell entryCell)
{
TextInput.Value = entryCell.Text ?? string.Empty;
}
void TextInput_Change (object sender, EventArgs e)
{
if (Cell is EntryCell cell)
cell.Text = TextInput.Text;
}
}
}