forked from BilalY/Rasagar
395 lines
15 KiB
C#
395 lines
15 KiB
C#
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using System;
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using UnityEngine;
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using UEditor = UnityEditor.Editor;
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using UnityEngine.UIElements;
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namespace UnityEditor.TerrainTools.UI
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{
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internal class CondensedSlider : VisualElement, INotifyValueChanged<float>
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{
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private Slider m_Slider;
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private readonly string m_Label;
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private Label m_LabelField;
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private Texture2D m_Image;
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internal string contentLabel
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{
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get => m_Label;
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}
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internal Texture2D contentIcon
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{
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set => m_Image = value;
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}
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// this is a variable of type func which takes in a float, string, Slider direction and returns a string
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// the internal stuff is what it starts out as
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// so maybe declare this as a property and give it a get; set; and set the value in the constructor like line 55 or something
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public Func<float, string, SliderDirection, string> labelFormatting
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{
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get;
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set;
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}
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public StyleLength contentWidth
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{
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get => m_Slider.style.width;
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set => m_Slider.style.width = value;
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}
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public StyleLength contentHeight
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{
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get => m_Slider.style.height;
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set => m_Slider.style.height = value;
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}
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public SliderDirection direction
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{
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get => m_Slider.direction;
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set => m_Slider.direction = value;
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}
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public float value
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{
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get => m_Slider.value;
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set => SetValue(value);
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}
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public CondensedSlider(float min, float max, SliderDirection direction = SliderDirection.Horizontal)
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: this(null, null, min, max, direction)
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{
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}
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public CondensedSlider(string label, float min, float max, SliderDirection direction = SliderDirection.Horizontal)
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: this(label, null, min, max, direction)
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{
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}
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public CondensedSlider(Texture2D image, float min, float max, SliderDirection direction = SliderDirection.Horizontal)
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: this(null, image, min, max, direction)
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{
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}
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public CondensedSlider(string label, Texture2D image, float min, float max, SliderDirection direction = SliderDirection.Horizontal)
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{
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m_Label = label;
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tooltip = label;
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m_Image = image;
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CreateSlider(min, max, direction);
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}
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private void UpdateValue(float value, bool withoutNotify)
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{
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if (withoutNotify)
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m_Slider.SetValueWithoutNotify(value);
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else
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m_Slider.value = value;
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var size = (value - m_Slider.lowValue) / (m_Slider.highValue - m_Slider.lowValue);
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if (m_Slider.direction == SliderDirection.Horizontal)
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m_Slider.Q("unity-tracker").style.width = new StyleLength(new Length(size * 100, LengthUnit.Percent));
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else
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{
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m_Slider.Q("unity-tracker").style.height = new StyleLength(new Length(size * 100, LengthUnit.Percent));
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m_Slider.Q("unity-tracker").style.top = new StyleLength(new Length((1 - size) * 100, LengthUnit.Percent));
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}
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m_LabelField.text = labelFormatting(m_Slider.value, m_Label, direction);
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}
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public void SetHighValueWithoutNotify(float highValue)
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{
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m_Slider.highValue = highValue;
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UpdateValue(m_Slider.value, true);
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}
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public void SetLowValueWithoutNotify(float lowValue)
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{
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m_Slider.lowValue = lowValue;
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UpdateValue(m_Slider.value, true);
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}
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private void SetValue(float value)
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{
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UpdateValue(value, false);
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}
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public void SetValueWithoutNotify(float value)
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{
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UpdateValue(value, true);
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}
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internal virtual void RebuildContent()
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{
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}
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internal void RebuildContent(Texture2D image, float min, float max)
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{
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m_Image = image;
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Clear();
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ClearClassList();
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CreateSlider(min, max, direction);
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}
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public void CreateSlider(float min, float max, SliderDirection direction)
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{
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labelFormatting = (value, label, direction) =>
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{
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if (direction == SliderDirection.Horizontal)
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return $"{label} {value:F0}";
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return $"{value:F0}";
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};
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StyleSheet styleSheet = (StyleSheet)AssetDatabase.LoadAssetAtPath("Packages/com.unity.terrain-tools/Editor/Style/CondensedSlider.uss", typeof(StyleSheet));
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if (styleSheet) styleSheets.Add(styleSheet);
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var directionClassSuffix = direction == SliderDirection.Horizontal ? "horizontal" : "vertical";
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AddToClassList("condensed-slider");
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AddToClassList("condensed-slider--"+directionClassSuffix);
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m_Slider = new Slider("", min, max, direction);
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m_Slider.AddToClassList("condensed-slider__slider");
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m_Slider.AddToClassList("condensed-slider__slider--"+directionClassSuffix);
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Add(m_Slider);
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var slider = m_Slider.Q("unity-tracker");
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slider.ClearClassList();
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slider.AddToClassList("condensed-slider__slider-tracker");
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m_Slider.RegisterCallback<GeometryChangedEvent>(OnSliderRectChange);
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m_Slider.Q("unity-dragger").style.display = DisplayStyle.None;
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m_Slider.Q("unity-dragger-border").style.display = DisplayStyle.None;
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var content = new VisualElement();
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content.name = "content";
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content.AddToClassList("condensed-slider__content--"+directionClassSuffix);
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content.pickingMode = PickingMode.Ignore;
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m_Slider.Add(content);
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m_Slider.RegisterCallback<GeometryChangedEvent>(OnSliderWidthChange);
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var imageField = new VisualElement();
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imageField.AddToClassList("condensed-slider__image");
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imageField.AddToClassList("condensed-slider__image--"+directionClassSuffix);
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imageField.pickingMode = PickingMode.Ignore;
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if (m_Image == null)
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imageField.style.display = DisplayStyle.None;
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else
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imageField.style.backgroundImage = m_Image;
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content.Add(imageField);
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m_LabelField = new Label(labelFormatting(m_Slider.value, m_Label, direction));
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m_LabelField.AddToClassList("condensed-slider__label");
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m_LabelField.AddToClassList("condensed-slider__label--"+directionClassSuffix);
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m_LabelField.pickingMode = PickingMode.Ignore;
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content.Add(m_LabelField);
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var contentTextField = new VisualElement();
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contentTextField.name = "contentTextField";
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contentTextField.AddToClassList("condensed-slider__content-textfield--"+directionClassSuffix);
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contentTextField.pickingMode = PickingMode.Ignore;
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m_Slider.Add(contentTextField);
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var textField = new FloatField();
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textField.name = "textField";
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textField.AddToClassList("condensed-slider__label");
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textField.AddToClassList("condensed-slider__textfield--"+directionClassSuffix);
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textField.style.display = DisplayStyle.None;
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if (m_Image != null)
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{
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if (direction == SliderDirection.Horizontal)
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textField.style.marginLeft = 23;
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else
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textField.style.marginTop = 34;
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}
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textField.RegisterValueChangedCallback(TextFieldValueChange);
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contentTextField.Add(textField);
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m_Slider.RegisterValueChangedCallback(SliderSetValue);
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// open the textfield when right clicking on the slider
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m_Slider.RegisterCallback<MouseDownEvent>(SliderMouseDownEvent);
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// Stop propagating the mouse up to avoid context menus
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m_Slider.RegisterCallback<MouseUpEvent>(SliderMouseUpEvent);
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// Any click inside the hidden element closes the textfield
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contentTextField.RegisterCallback<MouseDownEvent>(TextFieldMouseDownEvent);
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// closes the textfield on escape or return
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textField.RegisterCallback<KeyDownEvent>(TextFieldKeyDownEvent);
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RegisterCallback<AttachToPanelEvent>(RegisterCallbacks);
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RegisterCallback<DetachFromPanelEvent>(UnregisterCallbacks);
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}
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private void RegisterCallbacks(AttachToPanelEvent e)
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{
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var textField = m_Slider.Q("textField") as FloatField;
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var contentTextField = m_Slider.Q("contentTextField"); ;
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m_Slider.RegisterCallback<GeometryChangedEvent>(OnSliderRectChange);
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m_Slider.RegisterCallback<GeometryChangedEvent>(OnSliderWidthChange);
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textField.RegisterValueChangedCallback(TextFieldValueChange);
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m_Slider.RegisterValueChangedCallback(SliderSetValue);
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m_Slider.RegisterCallback<MouseDownEvent>(SliderMouseDownEvent);
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m_Slider.RegisterCallback<MouseUpEvent>(SliderMouseUpEvent);
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contentTextField.RegisterCallback<MouseDownEvent>(TextFieldMouseDownEvent);
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textField.RegisterCallback<KeyDownEvent>(TextFieldKeyDownEvent);
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}
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private void UnregisterCallbacks(DetachFromPanelEvent e)
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{
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var textField = m_Slider.Q("textField") as FloatField;
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var contentTextField = m_Slider.Q("contentTextField");
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m_Slider.UnregisterCallback<GeometryChangedEvent>(OnSliderRectChange);
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m_Slider.UnregisterCallback<GeometryChangedEvent>(OnSliderWidthChange);
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textField.UnregisterValueChangedCallback(TextFieldValueChange);
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m_Slider.UnregisterValueChangedCallback(SliderSetValue);
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m_Slider.UnregisterCallback<MouseDownEvent>(SliderMouseDownEvent);
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m_Slider.UnregisterCallback<MouseUpEvent>(SliderMouseUpEvent);
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contentTextField.UnregisterCallback<MouseDownEvent>(TextFieldMouseDownEvent);
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textField.UnregisterCallback<KeyDownEvent>(TextFieldKeyDownEvent);
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}
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private void OnSliderRectChange(GeometryChangedEvent e)
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{
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var slider = m_Slider.Q("unity-tracker");
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if (direction == SliderDirection.Horizontal)
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slider.style.height = e.newRect.height;
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else
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slider.style.width = e.newRect.width;
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}
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private void OnSliderWidthChange(GeometryChangedEvent e)
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{
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var content = m_Slider.Q("content");
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content.style.width = e.newRect.width;
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}
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private void TextFieldValueChange(ChangeEvent<float> e)
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{
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UpdateValue(e.newValue, false);
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}
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private void SliderSetValue(ChangeEvent<float> e)
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{
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SetValueWithoutNotify(e.newValue);
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}
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private void SliderMouseDownEvent(MouseDownEvent e)
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{
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if (e.button == (int)MouseButton.RightMouse)
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{
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e.StopPropagation();
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e.PreventDefault();
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var textField = m_Slider.Q("textField") as FloatField;
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var contentTextField = m_Slider.Q("contentTextField");
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if (textField != null)
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{
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textField.value = m_Slider.value;
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textField.style.display = DisplayStyle.Flex;
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}
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m_LabelField.style.display = DisplayStyle.None;
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contentTextField.pickingMode = PickingMode.Position;
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}
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}
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private void SliderMouseUpEvent(MouseUpEvent e)
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{
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if (e.button == (int)MouseButton.RightMouse)
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{
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e.StopPropagation();
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e.PreventDefault();
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}
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}
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private void TextFieldMouseDownEvent(MouseDownEvent e)
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{
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var textField = m_Slider.Q("textField") as FloatField;
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var contentTextField = m_Slider.Q("contentTextField");
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contentTextField.pickingMode = PickingMode.Ignore;
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if (textField != null)
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{
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if (textField.style.display == DisplayStyle.Flex)
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{
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textField.style.display = DisplayStyle.None;
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m_LabelField.style.display = DisplayStyle.Flex;
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}
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}
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}
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private void TextFieldKeyDownEvent(KeyDownEvent e)
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{
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var textField = m_Slider.Q("textField") as FloatField;
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var contentTextField = m_Slider.Q("contentTextField");
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if (e.keyCode == KeyCode.Escape || e.keyCode == KeyCode.Return)
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{
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contentTextField.pickingMode = PickingMode.Ignore;
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if (textField != null)
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{
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if (textField.style.display == DisplayStyle.Flex)
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{
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textField.style.display = DisplayStyle.None;
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m_LabelField.style.display = DisplayStyle.Flex;
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}
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}
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}
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}
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public void UpdateDirection(SliderDirection newDirection, float min, float max)
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{
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if (direction == newDirection) return; // no new direction
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direction = newDirection;
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Clear();
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ClearClassList();
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CreateSlider(min, max, newDirection);
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}
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}
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internal class CondensedSliderDropdown : CondensedSlider
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{
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private Button m_Dropdown;
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public event Action clicked
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{
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add => m_Dropdown.clicked += value;
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remove => m_Dropdown.clicked -= value;
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}
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public CondensedSliderDropdown(float min, float max, Action clicked, SliderDirection direction = SliderDirection.Horizontal)
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: this(null, null, min, max, clicked, direction)
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{ }
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public CondensedSliderDropdown(string label, float min, float max, Action clicked, SliderDirection direction = SliderDirection.Horizontal)
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: this(label, null, min, max, clicked, direction)
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{ }
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public CondensedSliderDropdown(Texture2D image, float min, float max, Action clicked, SliderDirection direction = SliderDirection.Horizontal)
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: this(null, image, min, max, clicked, direction)
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{ }
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public CondensedSliderDropdown(string label, Texture2D image, float min, float max, Action clicked, SliderDirection direction = SliderDirection.Horizontal)
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: base(label, image, min, max, direction)
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{
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ConstructDropdown(clicked, direction);
|
||
|
|
}
|
||
|
|
|
||
|
|
public void DropdownUpdateDirection(SliderDirection newDirection, Action clicked, float min, float max)
|
||
|
|
{
|
||
|
|
Remove(m_Dropdown);
|
||
|
|
UpdateDirection(newDirection, min, max);
|
||
|
|
|
||
|
|
ConstructDropdown(clicked, newDirection);
|
||
|
|
}
|
||
|
|
|
||
|
|
internal void ConstructDropdown(Action clicked, SliderDirection dir)
|
||
|
|
{
|
||
|
|
var directionClassSuffix = dir == SliderDirection.Horizontal ? "horizontal" : "vertical";
|
||
|
|
|
||
|
|
m_Dropdown = new Button(clicked);
|
||
|
|
Add(m_Dropdown);
|
||
|
|
m_Dropdown.ClearClassList();
|
||
|
|
m_Dropdown.AddToClassList("unity-base-popup-field__arrow");
|
||
|
|
m_Dropdown.AddToClassList("condensed-slider__dropdown--" + directionClassSuffix);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|