95 lines
3.1 KiB
C#
95 lines
3.1 KiB
C#
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using System.Linq;
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using UnityEngine.UIElements;
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namespace Paps.UnityToolbarExtenderUIToolkit
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{
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internal class MainToolbarCustomContainer : VisualElement
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{
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private const string LAST_SCROLLER_POSITION_SAVE_KEY_BASE = "main-toolbar-custom-container:last-scroller-position:";
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private const float SCROLL_VIEW_SCROLLER_HEIGHT = 1;
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private const float SCROLLER_HEIGHT = 5;
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private const float SCROLL_VIEW_HORIZONTAL_PADDING = 5;
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private const float SCROLL_VIEW_SCROLLER_BORDER_TOP_WIDTH = 0;
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private string _id;
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private ScrollView _scrollView;
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private Scroller _scroller;
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private VisualElement _container;
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public MainToolbarCustomContainer(string id, FlexDirection flexDirection)
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{
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_id = id;
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name = id;
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style.flexDirection = flexDirection;
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style.flexGrow = 1;
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style.width = 0;
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_container = CreateAndAddContainer(flexDirection);
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}
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private VisualElement CreateAndAddContainer(FlexDirection flexDirection)
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{
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_scrollView = new ScrollView(ScrollViewMode.Horizontal);
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_scrollView.style.paddingLeft = SCROLL_VIEW_HORIZONTAL_PADDING;
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_scrollView.style.paddingRight = SCROLL_VIEW_HORIZONTAL_PADDING;
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_scrollView.verticalScrollerVisibility = ScrollerVisibility.Hidden;
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_scrollView.contentContainer.style.flexDirection = flexDirection;
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_scroller = _scrollView.horizontalScroller;
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var leftButton = _scroller.lowButton;
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var rightButton = _scroller.highButton;
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var slider = _scroller.slider;
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_scroller.style.height = SCROLL_VIEW_SCROLLER_HEIGHT;
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_scroller.style.borderTopWidth = SCROLL_VIEW_SCROLLER_BORDER_TOP_WIDTH;
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leftButton.style.height = SCROLLER_HEIGHT;
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rightButton.style.height = SCROLLER_HEIGHT;
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slider.style.height = SCROLLER_HEIGHT;
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Add(_scrollView);
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_scrollView.RegisterCallback<GeometryChangedEvent>(LoadLastScrollerPosition);
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return _scrollView;
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}
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private void LoadLastScrollerPosition(GeometryChangedEvent eventArgs)
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{
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_scroller.value = (float)LastScrollerPosition();
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_scroller.valueChanged += SaveScrollerPosition;
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_scrollView.UnregisterCallback<GeometryChangedEvent>(LoadLastScrollerPosition);
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}
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private double LastScrollerPosition()
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{
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return UserSettingsPrefs.GetDouble(GetFullKey(), 0d);
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}
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private void SaveScrollerPosition(float newPosition)
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{
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UserSettingsPrefs.SetDouble(GetFullKey(), newPosition);
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}
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private string GetFullKey() => LAST_SCROLLER_POSITION_SAVE_KEY_BASE + _id;
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public void AddToContainer(VisualElement child)
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{
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_container.Add(child);
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}
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public void ClearContainer()
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{
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_container.Clear();
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}
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public VisualElement[] GetContainerChilds()
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{
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return _container.Children().ToArray();
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}
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}
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}
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