79 lines
2.2 KiB
C#
79 lines
2.2 KiB
C#
#if UNITY_EDITOR
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using System.Collections.Generic;
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namespace UnityEngine.InputSystem.Editor
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{
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internal abstract class AdvancedDropdown
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{
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protected Vector2 minimumSize { get; set; }
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protected Vector2 maximumSize { get; set; }
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internal AdvancedDropdownWindow m_WindowInstance;
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internal AdvancedDropdownState m_State;
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internal AdvancedDropdownDataSource m_DataSource;
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internal AdvancedDropdownGUI m_Gui;
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public AdvancedDropdown(AdvancedDropdownState state)
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{
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m_State = state;
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}
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public void Show(Rect rect)
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{
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if (m_WindowInstance != null)
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{
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m_WindowInstance.Close();
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m_WindowInstance = null;
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}
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if (m_DataSource == null)
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{
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m_DataSource = new CallbackDataSource(BuildRoot, BuildCustomSearch);
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}
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if (m_Gui == null)
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{
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m_Gui = new AdvancedDropdownGUI();
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}
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m_WindowInstance = ScriptableObject.CreateInstance<AdvancedDropdownWindow>();
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if (minimumSize != Vector2.zero)
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m_WindowInstance.minSize = minimumSize;
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if (maximumSize != Vector2.zero)
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m_WindowInstance.maxSize = maximumSize;
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m_WindowInstance.state = m_State;
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m_WindowInstance.dataSource = m_DataSource;
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m_WindowInstance.gui = m_Gui;
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m_WindowInstance.windowClosed +=
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w => { ItemSelected(w.GetSelectedItem()); };
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m_WindowInstance.windowDestroyed += OnDestroy;
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m_WindowInstance.Init(rect);
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}
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public void Reload()
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{
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m_WindowInstance?.ReloadData();
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}
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public void Repaint()
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{
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m_WindowInstance?.Repaint();
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}
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protected abstract AdvancedDropdownItem BuildRoot();
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protected virtual AdvancedDropdownItem BuildCustomSearch(string searchString,
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IEnumerable<AdvancedDropdownItem> elements)
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{
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return null;
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}
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protected virtual void ItemSelected(AdvancedDropdownItem item)
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{
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}
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protected virtual void OnDestroy()
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{
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}
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}
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}
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#endif
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