/// <summary>
/// Selects or deselects a tab.
/// </summary>
private void SetSelected(Tab tab, bool selected)
{
if (tab == null)
{
return;
}
tab.IsSelected.Value = selected;
if (selected)
{
// select tab header if it's not selected
var tabHeader = TabHeaderList.Content.Find <TabHeader>(x => x.ParentTab == tab, false);
if (tabHeader != null && !tabHeader.IsSelected)
{
TabHeaderList.SelectItem(tabHeader, false);
}
// object selected
_selectedItem = tab.Item.Value;
SelectedItem.Value = tab.Item.Value;
SelectedTab = tab;
if (Items != null)
{
Items.SetSelected(_selectedItem);
}
// trigger object selected action
if (TabSelected.HasEntries)
{
TabSelected.Trigger(new TabSelectionActionData {
IsSelected = true, TabView = tab, Item = tab.Item.Value
});
}
}
}
/// <summary>
/// Called when the list of objects has been changed.
/// </summary>
private void OnListChanged(object sender, ListChangedEventArgs e)
{
// update list of tabs
if (e.ListChangeAction == ListChangeAction.Clear)
{
Clear();
}
else if (e.ListChangeAction == ListChangeAction.Add)
{
AddRange(e.StartIndex, e.EndIndex);
}
else if (e.ListChangeAction == ListChangeAction.Remove)
{
RemoveRange(e.StartIndex, e.EndIndex);
}
else if (e.ListChangeAction == ListChangeAction.Select)
{
SelectTab(e.StartIndex, true);
}
if (ListChanged.HasEntries)
{
ListChanged.Trigger(new ListChangedActionData {
ListChangeAction = e.ListChangeAction, StartIndex = e.StartIndex, EndIndex = e.EndIndex
});
}
LayoutsChanged();
}
/// <summary>
/// Slides the slider to the given position.
/// </summary>
private void SetSlideTo(Vector2 mouseScreenPositionIn, bool isEndDrag = false)
{
var fillTransform = SliderFillRegion.RectTransform;
var pos = GetLocalPoint(mouseScreenPositionIn);
// calculate slide percentage (transform.position.x/y is center of fill area)
float p = 0;
float slideAreaLength = fillTransform.rect.width - SliderHandleImageView.Width.Value.Pixels;
if (Orientation == ElementOrientation.Horizontal)
{
p = ((pos.x - fillTransform.localPosition.x + slideAreaLength / 2f) / slideAreaLength).Clamp(0, 1);
}
else
{
p = ((pos.y - fillTransform.localPosition.y + slideAreaLength / 2f) / slideAreaLength).Clamp(0, 1);
}
// set value
float newValue = (Max - Min) * p + Min;
if (!SetValueOnDragEnded || (SetValueOnDragEnded && isEndDrag))
{
Value.Value = newValue;
ValueChanged.Trigger();
}
else
{
UpdateSliderPosition(newValue);
}
}
/// <summary>
/// Called if a child animation has been completed.
/// </summary>
public virtual void ChildAnimationCompleted()
{
if (IsAnimationCompleted)
{
AnimationCompleted.Trigger();
}
}
/// <summary>
/// Called when input field value has been updated.
/// </summary>
public void InputFieldValueChanged(string value)
{
if (!SetValueOnEndEdit)
{
Text.Value = InputFieldComponent.text;
}
UpdatePlaceholder();
ValueChanged.Trigger();
}
/// <summary>
/// Called on input field end edit.
/// </summary>
public void InputFieldEndEdit(string value)
{
if (SetValueOnEndEdit)
{
Text.Value = InputFieldComponent.text;
}
UpdatePlaceholder();
EndEdit.Trigger();
}
/// <summary>
/// Called when ToggleValue field changes.
/// </summary>
public virtual void ToggleValueChanged()
{
// toggle state
if (IsToggleButton)
{
UpdateState();
ToggleClick.Trigger(ToggleValue.Value);
}
}
/// <summary>
/// Called when ToggleValue field changes.
/// </summary>
public virtual void ToggleValueChanged()
{
// toggle state
if (IsToggleButton)
{
if (ToggleValue)
{
SetState("Pressed");
}
else
{
SetState(DefaultStateName);
}
ToggleClick.Trigger(ToggleValue.Value);
}
}
/// <summary>
/// Resumes the animation.
/// </summary>
public virtual void ResumeAnimation()
{
this.ForEachChild <ViewAnimation>(x => x.ResumeAnimation(), false);
AnimationResumed.Trigger();
}
/// <summary>
/// Pauses the animation.
/// </summary>
public virtual void PauseAnimation()
{
this.ForEachChild <ViewAnimation>(x => x.PauseAnimation(), false);
AnimationPaused.Trigger();
}
/// <summary>
/// Stops the animation.
/// </summary>
public virtual void StopAnimation()
{
this.ForEachChild <ViewAnimation>(x => x.StopAnimation(), false);
AnimationStopped.Trigger();
}
/// <summary>
/// Non-Propagating input event handler. Called on a view when it blurs.
/// </summary>
public virtual void HandleBlur()
{
OnBlur.Trigger();
}
/// <summary>
/// Non-Propagating input event handler. Called on a view when it focuses.
/// </summary>
public virtual void HandleFocus()
{
OnFocus.Trigger();
}
