File size: 2,291 Bytes
18a519f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | #if UNITY_EDITOR
using System.Collections.Generic;
namespace UnityEngine.InputSystem.Editor
{
internal abstract class AdvancedDropdown
{
protected Vector2 minimumSize { get; set; }
protected Vector2 maximumSize { get; set; }
internal AdvancedDropdownWindow m_WindowInstance;
internal AdvancedDropdownState m_State;
internal AdvancedDropdownDataSource m_DataSource;
internal AdvancedDropdownGUI m_Gui;
public AdvancedDropdown(AdvancedDropdownState state)
{
m_State = state;
}
public void Show(Rect rect)
{
if (m_WindowInstance != null)
{
m_WindowInstance.Close();
m_WindowInstance = null;
}
if (m_DataSource == null)
{
m_DataSource = new CallbackDataSource(BuildRoot, BuildCustomSearch);
}
if (m_Gui == null)
{
m_Gui = new AdvancedDropdownGUI();
}
m_WindowInstance = ScriptableObject.CreateInstance<AdvancedDropdownWindow>();
if (minimumSize != Vector2.zero)
m_WindowInstance.minSize = minimumSize;
if (maximumSize != Vector2.zero)
m_WindowInstance.maxSize = maximumSize;
m_WindowInstance.state = m_State;
m_WindowInstance.dataSource = m_DataSource;
m_WindowInstance.gui = m_Gui;
m_WindowInstance.windowClosed +=
w => { ItemSelected(w.GetSelectedItem()); };
m_WindowInstance.windowDestroyed += OnDestroy;
m_WindowInstance.Init(rect);
}
public void Reload()
{
m_WindowInstance?.ReloadData();
}
public void Repaint()
{
m_WindowInstance?.Repaint();
}
protected abstract AdvancedDropdownItem BuildRoot();
protected virtual AdvancedDropdownItem BuildCustomSearch(string searchString,
IEnumerable<AdvancedDropdownItem> elements)
{
return null;
}
protected virtual void ItemSelected(AdvancedDropdownItem item)
{
}
protected virtual void OnDestroy()
{
}
}
}
#endif
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