/// <summary>
/// Create the View.
/// </summary>
/// <param name="controller">ViewController that's managing this View.</param>
/// <param name="displayMode">Display mode for this View.</param>
internal void _Create(ViewController controller, ViewDisplayMode displayMode)
{
_controller = controller;
this.displayMode = displayMode;
this.state = ViewState.Creating;
OnCreate();
}
/// <summary>
/// Sets the parent of this views Transform and calls <code>GetSiblingIndex</code>.
/// </summary>
/// <param name="viewParent">The parent transform for this View</param>
/// <param name="displayMode">The display mode for this View.</param>
public virtual void SetParent(Transform viewParent, ViewDisplayMode displayMode)
{
transform.SetParent(viewParent, false);
int siblingIndex = GetSiblingIndex(viewParent, displayMode);
if (siblingIndex > -1)
{
transform.SetSiblingIndex(siblingIndex);
}
}
protected virtual AbstractView CreateView(ViewAsset asset, ViewDisplayMode displayMode)
{
if (_debug)
{
Debug.LogFormat("[ViewController] Creating View: {0}, displayMode: {1}", asset.viewType.Name, displayMode);
}
// load the view resource
GameObject resource = asset.Load() as GameObject;
if (resource != null)
{
// create an instance of the view resource
AbstractView view = (Instantiate(resource) as GameObject).GetComponent <AbstractView>();
if (view == null)
{
Unload(asset.viewType);
throw new UnityException(string.Format("Resource for {0} has no view component attached!", asset.viewType));
}
// setup view inside viewParent
view.SetParent(viewParent, displayMode);
// finish view creation
view._Create(this, displayMode);
if (EventViewCreated != null)
{
EventViewCreated(this, asset.viewType, displayMode);
}
return(view);
}
else
{
throw new UnityException(string.Format("Resource not found for: {0}", asset.viewType));
}
}
/// <summary>
/// Effects the position of this View within a transform hierarchy, useful when working with Unity UI. The default behaviour is to put all Locations at 0
/// and Overlays at the top. If the view has no parent -1 is returned.
/// </summary>
/// <returns>The sibling index.</returns>
/// <param name="viewParent">The parent transform for this View</param>
/// <param name="displayMode">The display mode for this View.</param>
public virtual int GetSiblingIndex(Transform viewParent, ViewDisplayMode displayMode)
{
return(viewParent == null ? -1 : displayMode == ViewDisplayMode.Location ? 0 : viewParent.childCount);
}