Merged Stepper control PR #11
Simon Jackson
parent
a56a9a9084
commit
a2bb233141
|
|
@ -1678,6 +1678,29 @@ namespace UnityEditor.UI
|
|||
}
|
||||
#endregion
|
||||
|
||||
#region Stepper
|
||||
[MenuItem("GameObject/UI/Extensions/Stepper", false)]
|
||||
static public void AddStepper(MenuCommand menuCommand)
|
||||
{
|
||||
GameObject go = CreateUIElementRoot("Stepper", menuCommand, new Vector2(42, kThinHeight));
|
||||
Stepper control = go.AddComponent<Stepper>();
|
||||
|
||||
var labels = new string[] { "−", "+" };
|
||||
for (int i = 0; i < 2; i++)
|
||||
{
|
||||
var button = AddButtonAsChild(go);
|
||||
button.gameObject.AddComponent<StepperSide>();
|
||||
button.name = i == 0 ? "Minus" : "Plus";
|
||||
var text = button.GetComponentInChildren<Text>();
|
||||
text.text = labels[i];
|
||||
}
|
||||
|
||||
control.LayoutSides();
|
||||
|
||||
Selection.activeGameObject = go;
|
||||
}
|
||||
#endregion
|
||||
|
||||
#region UI Knob
|
||||
[MenuItem("GameObject/UI/Extensions/UI Knob", false)]
|
||||
static public void AddUIKnob(MenuCommand menuCommand)
|
||||
|
|
|
|||
|
|
@ -0,0 +1,266 @@
|
|||
/// Credit David Gileadi
|
||||
/// Sourced from - https://bitbucket.org/UnityUIExtensions/unity-ui-extensions/pull-requests/11
|
||||
|
||||
using System;
|
||||
using UnityEngine.Events;
|
||||
using UnityEngine.EventSystems;
|
||||
|
||||
namespace UnityEngine.UI.Extensions
|
||||
{
|
||||
// Stepper control
|
||||
[AddComponentMenu("UI/Extensions/Stepper")]
|
||||
[RequireComponent(typeof(RectTransform))]
|
||||
public class Stepper : UIBehaviour
|
||||
{
|
||||
public Button[] sides
|
||||
{
|
||||
get
|
||||
{
|
||||
if (_sides == null || _sides.Length == 0)
|
||||
{
|
||||
_sides = GetSides();
|
||||
}
|
||||
return _sides;
|
||||
}
|
||||
}
|
||||
private Button[] _sides;
|
||||
|
||||
[SerializeField]
|
||||
private int _value = 0;
|
||||
public int value { get { return _value; } set { _value = value; } }
|
||||
|
||||
[SerializeField]
|
||||
private int _minimum = 0;
|
||||
public int minimum { get { return _minimum; } set { _minimum = value; } }
|
||||
|
||||
[SerializeField]
|
||||
private int _maximum = 100;
|
||||
public int maximum { get { return _maximum; } set { _maximum = value; } }
|
||||
|
||||
[SerializeField]
|
||||
private int _step = 1;
|
||||
public int step { get { return _step; } set { _step = value; } }
|
||||
|
||||
[SerializeField]
|
||||
private bool _wrap = false;
|
||||
public bool wrap { get { return _wrap; } set { _wrap = value; } }
|
||||
|
||||
[SerializeField]
|
||||
private Graphic _separator;
|
||||
public Graphic separator { get { return _separator; } set { _separator = value; _separatorWidth = 0; LayoutSides(sides); } }
|
||||
|
||||
private float _separatorWidth = 0;
|
||||
private float separatorWidth
|
||||
{
|
||||
get
|
||||
{
|
||||
if (_separatorWidth == 0 && separator)
|
||||
{
|
||||
_separatorWidth = separator.rectTransform.rect.width;
|
||||
var image = separator.GetComponent<Image>();
|
||||
if (image)
|
||||
_separatorWidth /= image.pixelsPerUnit;
|
||||
}
|
||||
return _separatorWidth;
|
||||
}
|
||||
}
|
||||
|
||||
[Serializable]
|
||||
public class StepperValueChangedEvent : UnityEvent<int> { }
|
||||
|
||||
// Event delegates triggered on click.
|
||||
[SerializeField]
|
||||
private StepperValueChangedEvent _onValueChanged = new StepperValueChangedEvent();
|
||||
public StepperValueChangedEvent onValueChanged
|
||||
{
|
||||
get { return _onValueChanged; }
|
||||
set { _onValueChanged = value; }
|
||||
}
|
||||
|
||||
protected Stepper()
|
||||
{ }
|
||||
|
||||
#if UNITY_EDITOR
|
||||
protected override void OnValidate()
|
||||
{
|
||||
base.OnValidate();
|
||||
|
||||
if (separator)
|
||||
LayoutSides();
|
||||
|
||||
if (!wrap)
|
||||
{
|
||||
DisableAtExtremes(sides);
|
||||
}
|
||||
}
|
||||
#endif
|
||||
|
||||
private Button[] GetSides()
|
||||
{
|
||||
var buttons = GetComponentsInChildren<Button>();
|
||||
if (buttons.Length != 2)
|
||||
{
|
||||
throw new InvalidOperationException("A stepper must have two Button children");
|
||||
}
|
||||
|
||||
for (int i = 0; i < 2; i++)
|
||||
{
|
||||
var side = buttons[i].GetComponent<StepperSide>();
|
||||
if (side == null)
|
||||
{
|
||||
side = buttons[i].gameObject.AddComponent<StepperSide>();
|
||||
}
|
||||
}
|
||||
|
||||
if (!wrap)
|
||||
{
|
||||
DisableAtExtremes(buttons);
|
||||
}
|
||||
LayoutSides(buttons);
|
||||
|
||||
return buttons;
|
||||
}
|
||||
|
||||
public void StepUp()
|
||||
{
|
||||
Step(step);
|
||||
}
|
||||
|
||||
public void StepDown()
|
||||
{
|
||||
Step(-step);
|
||||
}
|
||||
|
||||
private void Step(int amount)
|
||||
{
|
||||
value += amount;
|
||||
|
||||
if (wrap)
|
||||
{
|
||||
if (value > maximum) value = minimum;
|
||||
if (value < minimum) value = maximum;
|
||||
}
|
||||
else
|
||||
{
|
||||
value = Math.Max(minimum, value);
|
||||
value = Math.Min(maximum, value);
|
||||
|
||||
DisableAtExtremes(sides);
|
||||
}
|
||||
|
||||
_onValueChanged.Invoke(value);
|
||||
}
|
||||
|
||||
private void DisableAtExtremes(Button[] sides)
|
||||
{
|
||||
sides[0].interactable = wrap || value > minimum;
|
||||
sides[1].interactable = wrap || value < maximum;
|
||||
}
|
||||
|
||||
private void RecreateSprites(Button[] sides)
|
||||
{
|
||||
for (int i = 0; i < 2; i++)
|
||||
{
|
||||
if (sides[i].image == null)
|
||||
continue;
|
||||
|
||||
var sprite = sides[i].image.sprite;
|
||||
if (sprite.border.x == 0 || sprite.border.z == 0)
|
||||
continue;
|
||||
|
||||
var rect = sprite.rect;
|
||||
var border = sprite.border;
|
||||
|
||||
if (i == 0)
|
||||
{
|
||||
rect.xMax = border.z;
|
||||
border.z = 0;
|
||||
}
|
||||
else
|
||||
{
|
||||
rect.xMin = border.x;
|
||||
border.x = 0;
|
||||
}
|
||||
|
||||
sides[i].image.sprite = Sprite.Create(sprite.texture, rect, sprite.pivot, sprite.pixelsPerUnit, 0, SpriteMeshType.FullRect, border);
|
||||
}
|
||||
}
|
||||
|
||||
public void LayoutSides(Button[] sides = null)
|
||||
{
|
||||
sides = sides ?? this.sides;
|
||||
|
||||
RecreateSprites(sides);
|
||||
|
||||
RectTransform transform = this.transform as RectTransform;
|
||||
float width = (transform.rect.width / 2) - separatorWidth;
|
||||
|
||||
for (int i = 0; i < 2; i++)
|
||||
{
|
||||
float insetX = i == 0 ? 0 : width + separatorWidth;
|
||||
|
||||
var rectTransform = sides[i].GetComponent<RectTransform>();
|
||||
rectTransform.anchorMin = Vector2.zero;
|
||||
rectTransform.anchorMax = Vector2.zero;
|
||||
rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Left, insetX, width);
|
||||
rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Top, 0, transform.rect.height);
|
||||
|
||||
// TODO: maybe adjust text position
|
||||
}
|
||||
|
||||
if (separator)
|
||||
{
|
||||
var sepTransform = gameObject.transform.Find("Separator");
|
||||
Graphic sep = (sepTransform != null) ? sepTransform.GetComponent<Graphic>() : (GameObject.Instantiate(separator.gameObject) as GameObject).GetComponent<Graphic>();
|
||||
sep.gameObject.name = "Separator";
|
||||
sep.gameObject.SetActive(true);
|
||||
sep.rectTransform.SetParent(this.transform, false);
|
||||
sep.rectTransform.anchorMin = Vector2.zero;
|
||||
sep.rectTransform.anchorMax = Vector2.zero;
|
||||
sep.rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Left, width, separatorWidth);
|
||||
sep.rectTransform.SetInsetAndSizeFromParentEdge(RectTransform.Edge.Top, 0, transform.rect.height);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
[RequireComponent(typeof(Button))]
|
||||
public class StepperSide : UIBehaviour, IPointerClickHandler, ISubmitHandler
|
||||
{
|
||||
Button button { get { return GetComponent<Button>(); } }
|
||||
|
||||
Stepper stepper { get { return GetComponentInParent<Stepper>(); } }
|
||||
|
||||
bool leftmost { get { return button == stepper.sides[0]; } }
|
||||
|
||||
protected StepperSide()
|
||||
{ }
|
||||
|
||||
public virtual void OnPointerClick(PointerEventData eventData)
|
||||
{
|
||||
if (eventData.button != PointerEventData.InputButton.Left)
|
||||
return;
|
||||
|
||||
Press();
|
||||
}
|
||||
|
||||
public virtual void OnSubmit(BaseEventData eventData)
|
||||
{
|
||||
Press();
|
||||
}
|
||||
|
||||
private void Press()
|
||||
{
|
||||
if (!button.IsActive() || !button.IsInteractable())
|
||||
return;
|
||||
|
||||
if (leftmost)
|
||||
{
|
||||
stepper.StepDown();
|
||||
}
|
||||
else
|
||||
{
|
||||
stepper.StepUp();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,12 @@
|
|||
fileFormatVersion: 2
|
||||
guid: b1867f0d5b751404f86b0e562a3d783b
|
||||
timeCreated: 1501004355
|
||||
licenseType: Free
|
||||
MonoImporter:
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
Loading…
Reference in New Issue