88 lines
3.7 KiB
C#
88 lines
3.7 KiB
C#
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using UnityEngine;
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using UnityEngine.UI;
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using UnityEngine.EventSystems;
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using Lean.Transition;
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using Lean.Common;
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namespace Lean.Gui
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{
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/// <summary>This component allows you to perform a transition when this UI element is selected.</summary>
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[HelpURL(LeanGui.HelpUrlPrefix + "LeanSelection")]
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[AddComponentMenu(LeanGui.ComponentMenuPrefix + "Selection")]
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public class LeanSelection : MonoBehaviour
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{
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/// <summary>This allows you to perform a transition when this UI element is selected.
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/// You can create a new transition GameObject by right clicking the transition name, and selecting <b>Create</b>.
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/// For example, the <b>Graphic.color Transition (LeanGraphicColor)</b> component can be used to change the color.
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/// NOTE: Any transitions you perform here must be reverted in the <b>Deselect Transitions</b> setting using a matching transition component.</summary>
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public LeanPlayer SelectTransitions { get { if (selectTransitions == null) selectTransitions = new LeanPlayer(); return selectTransitions; } } [SerializeField] private LeanPlayer selectTransitions;
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/// <summary>This allows you to perform a transition when this UI element is deselected.
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/// You can create a new transition GameObject by right clicking the transition name, and selecting <b>Create</b>.
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/// For example, the <b>Graphic.color Transition (LeanGraphicColor)</b> component can be used to change the color.
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/// NOTE: Any transitions you perform here must be reverted in the <b>Select Transitions</b> setting using a matching transition component.</summary>
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public LeanPlayer DeselectTransitions { get { if (deselectTransitions == null) deselectTransitions = new LeanPlayer(); return deselectTransitions; } } [SerializeField] private LeanPlayer deselectTransitions;
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[System.NonSerialized]
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private bool lastSelected;
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protected virtual void Update()
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{
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var selected = false;
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var eventSystem = EventSystem.current;
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if (eventSystem != null)
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{
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if (eventSystem.currentSelectedGameObject == gameObject)
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{
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selected = true;
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}
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}
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if (lastSelected != selected)
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{
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if (selected == true)
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{
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if (selectTransitions != null)
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{
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selectTransitions.Begin();
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}
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}
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else
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{
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if (deselectTransitions != null)
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{
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deselectTransitions.Begin();
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}
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}
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lastSelected = selected;
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}
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}
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}
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}
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#if UNITY_EDITOR
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namespace Lean.Gui.Editor
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{
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using TARGET = LeanSelection;
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[UnityEditor.CanEditMultipleObjects]
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[UnityEditor.CustomEditor(typeof(TARGET))]
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public class LeanSelection_Editor : LeanEditor
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{
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protected override void OnInspector()
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{
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TARGET tgt; TARGET[] tgts; GetTargets(out tgt, out tgts);
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if (Any(tgts, t => t.GetComponent<Selectable>() == null))
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{
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Error("This GameObject doesn't have a Selectable component. You must add one, such as a LeanButton.");
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}
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Draw("selectTransitions", "This allows you to perform a transition when this UI element is selected. You can create a new transition GameObject by right clicking the transition name, and selecting Create. For example, the <b>Graphic.color Transition (LeanGraphicColor)</b> component can be used to change the color.\n\nNOTE: Any transitions you perform here must be reverted in the Deselect Transitions setting using a matching transition component.");
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Draw("deselectTransitions", "This allows you to perform a transition when this UI element is deselected. You can create a new transition GameObject by right clicking the transition name, and selecting Create. For example, the <b>Graphic.color Transition (LeanGraphicColor)</b> component can be used to change the color.\n\nNOTE: Any transitions you perform here must be reverted in the Select Transitions setting using a matching transition component.");
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}
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}
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}
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#endif
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