80 lines
2.4 KiB
C#
80 lines
2.4 KiB
C#
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using System;
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using JetBrains.Annotations;
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using Unity.Cloud.Collaborate.UserInterface;
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using UnityEditor;
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using UnityEngine;
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using UnityEngine.UIElements;
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namespace Unity.Cloud.Collaborate.Components
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{
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internal class IconButton : Image
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{
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public const string UssClassName = "unity-icon-button";
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public const string UndoUssClassName = "btn-undo";
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public const string ShowUssClassName = "btn-show";
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public const string MergeUssClassName = "btn-merge";
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public const string ChooseMineUssClassName = "btn-choose-mine";
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public const string ChooseRemoteUssClassName = "btn-choose-remote";
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public const string DiffUssCLassName = "btn-diff";
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static readonly string k_StylePath = $"{CollaborateWindow.StylePath}/{nameof(IconButton)}.uss";
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public event Action Clicked;
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public IconButton() : this(null)
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{
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}
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public IconButton([CanBeNull] Action clickEvent = null)
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{
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AddToClassList(UssClassName);
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styleSheets.Add(AssetDatabase.LoadAssetAtPath<StyleSheet>(k_StylePath));
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// Setup Clickable
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Clicked += clickEvent;
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this.AddManipulator(new Clickable(OnClick));
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}
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void OnClick()
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{
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Clicked?.Invoke();
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Blur();
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}
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/// <summary>
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/// Remove all event handlers for the Clicked event.
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/// </summary>
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public void UnregisterClickEvents()
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{
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Clicked = null;
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}
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public Texture2D Image
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{
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get => style.backgroundImage.value.texture;
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set => style.backgroundImage = value;
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}
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public override bool canGrabFocus { get; } = true;
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/// <summary>
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/// Catch the enter key event to allow for tab & enter UI navigation.
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/// </summary>
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/// <param name="evt">Event to check.</param>
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protected override void ExecuteDefaultActionAtTarget(EventBase evt)
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{
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base.ExecuteDefaultActionAtTarget(evt);
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// Catch enter key being pressed.
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if (!(evt is KeyDownEvent downEvent)) return;
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if ((downEvent.keyCode != KeyCode.KeypadEnter) && (downEvent.keyCode != KeyCode.Return)) return;
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Clicked?.Invoke();
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downEvent.StopPropagation();
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}
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[UsedImplicitly]
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public new class UxmlFactory : UxmlFactory<IconButton> {}
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}
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}
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