private static void fontAttributesPropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
BindableMultiSelectGroupView target = bindable as BindableMultiSelectGroupView;
foreach (BindableMultiSelect btn in target.radioButtons)
{
btn.FontAttributes = newValue.ToString();
}
}
private static void labelMarginPropertyPropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
BindableMultiSelectGroupView target = bindable as BindableMultiSelectGroupView;
foreach (BindableMultiSelect btn in target.radioButtons)
{
btn.LabelMargin = newValue.ToString();
}
}
private static void CheckBoxColorPropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
BindableMultiSelectGroupView target = bindable as BindableMultiSelectGroupView;
foreach (BindableMultiSelect btn in target.radioButtons)
{
btn.CheckBoxColor = (Xamarin.Forms.Color)newValue;
}
}
private static void fontSizePropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
BindableMultiSelectGroupView target = bindable as BindableMultiSelectGroupView;
if (double.TryParse(newValue.ToString(), out double tmp))
{
foreach (BindableMultiSelect btn in target.radioButtons)
{
btn.FontSize = tmp;
}
}
}
private static void displayPathChanged(BindableObject bindable, object oldValue, object newValue)
{
BindableMultiSelectGroupView target = bindable as BindableMultiSelectGroupView;
if (target.radioButtons == null)
{
return;
}
foreach (var item in target.radioButtons)
{
string displayPath = newValue.ToString();
item.SetTextBinding(displayPath);
}
}
private static void sSetGroupViewUIProperty(BindableMultiSelectGroupView view)
{
if (view.radioButtons == null || view.radioButtons.Count <= 0)
{
return;
}
foreach (var rad in view.radioButtons)
{
if (view.DisplayPath.IsNullOrWhiteSpace() == false)
{
rad.SetTextBinding(view.DisplayPath);
}
if (view.CheckBoxColor != Color.Transparent)
{
rad.CheckBoxColor = view.CheckBoxColor;
}
if (view.TextColor != Xamarin.Forms.Color.Transparent)
{
rad.TextColor = view.TextColor;
}
if (view.CheckBoxMargin.IsNullOrWhiteSpace() == false)
{
rad.CheckBoxMargin = view.CheckBoxMargin;
}
if (view.LabelMargin.IsNullOrWhiteSpace() == false)
{
rad.LabelMargin = view.LabelMargin;
}
if (view.FontAttributes.IsNullOrWhiteSpace() == false)
{
rad.FontAttributes = view.FontAttributes;
}
if (view.FontSize > 0)
{
rad.FontSize = view.FontSize;
}
}
}
private static void selectedTextsPropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
BindableMultiSelectGroupView group = bindable as BindableMultiSelectGroupView;
// 处理首次来自XAML的赋值
if (oldValue == null && (newValue is string))
{
if (group.radioButtons != null && group.radioButtons.Count > 0)
{
List <string> temp = JsonUtils.DeserializeObject <List <string> >(group.SelectedTexts.ToString());
group.radioButtons
.Where(i => temp.Contains(i.Text))
.ToList()
.ForEach(i => i.IsChecked = true);
}
}
}
private static void selectedNosPropertyChanged(BindableObject bindable, object oldValue, object newValue)
{
BindableMultiSelectGroupView group = bindable as BindableMultiSelectGroupView;
// 处理首次来自XAML的赋值
if (oldValue == null && newValue is string)
{
string temp = newValue as string;
try
{
List <int> noList = Util.JsonUtils.DeserializeObject <List <int> >(temp);
if (group.radioButtons != null && group.radioButtons.Count > 0)
{
foreach (int no in noList)
{
if (no > group.radioButtons.Count)
{
string msg = $"{0}";
System.Diagnostics.Debug.WriteLine(msg);
System.Diagnostics.Debugger.Break();
}
else
{
var index = no - 1;
group.radioButtons[index].IsChecked = true;
}
}
}
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"转换{ex.GetFullInfo()}");
System.Diagnostics.Debugger.Break();
}
}
}
private static void ItemsSourcePropertyChanged(BindableObject bindable, IEnumerable oldValue, IEnumerable newValue)
{
BindableMultiSelectGroupView group = bindable as BindableMultiSelectGroupView;
group.radioButtons.Clear();
group.Children.Clear(); // StackLayout
if (newValue != null)
{
int radIndex = 0;
foreach (var item in newValue)
{
var rad = new BindableMultiSelect();
rad.Id = radIndex;
rad.BindingContext = item;
rad.CheckedChanged += group.OnCheckedChanged;
group.radioButtons.Add(rad);
group.Children.Add(rad); // StackLayout
radIndex++;
}
sSetGroupViewUIProperty(group);
#region 设置默认选中项
if (group.SelectedTexts != null)
{
List <string> temp = JsonUtils.DeserializeObject <List <string> >(group.SelectedTexts.ToString());
group.radioButtons
.Where(i => temp.Contains(i.Text))
.ToList()
.ForEach(i => i.IsChecked = true);
}
else if (group.SelectedNos != null)
{
List <int> noList = null;
try
{
noList = JsonUtils.DeserializeObject <List <int> >(group.SelectedNos.ToString());
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine($"转换{ex.GetFullInfo()}");
System.Diagnostics.Debugger.Break();
}
foreach (int no in noList)
{
if (no > group.radioButtons.Count)
{
string msg = $"{0}";
System.Diagnostics.Debug.WriteLine(msg);
System.Diagnostics.Debugger.Break();
}
else
{
int index = no - 1;
group.radioButtons[index].IsChecked = true;
}
}
}
#endregion
}
}