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Added Element.AutoHideCondition and Button.AutoDisableCondition
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3 changed files with 28 additions and 2 deletions
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@ -57,6 +57,7 @@ Additions
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- Added ScrollBar.MouseDragScrolling
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- Added ScrollBar.MouseDragScrolling
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- Added Panel.ScrollToElement
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- Added Panel.ScrollToElement
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- Added ElementHelper.MakeGrid
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- Added ElementHelper.MakeGrid
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- Added Element.AutoHideCondition and Button.AutoDisableCondition
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Improvements
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Improvements
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- Allow elements to auto-adjust their size even when their children are aligned oddly
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- Allow elements to auto-adjust their size even when their children are aligned oddly
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@ -1,3 +1,4 @@
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using System;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework;
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using Microsoft.Xna.Framework.Graphics;
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using Microsoft.Xna.Framework.Graphics;
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using MLEM.Graphics;
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using MLEM.Graphics;
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@ -51,8 +52,16 @@ namespace MLEM.Ui.Elements {
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/// <summary>
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/// <summary>
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/// Set this property to true to mark the button as disabled.
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/// Set this property to true to mark the button as disabled.
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/// A disabled button cannot be moused over, selected or pressed.
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/// A disabled button cannot be moused over, selected or pressed.
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/// If this value changes often, consider using <see cref="AutoDisableCondition"/> to set it automatically.
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/// </summary>
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/// </summary>
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public virtual bool IsDisabled { get; set; }
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public virtual bool IsDisabled {
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get {
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if (this.AutoDisableCondition != null)
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this.IsDisabled = this.AutoDisableCondition(this);
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return this.isDisabled;
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}
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set => this.isDisabled = value;
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}
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/// <summary>
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/// <summary>
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/// Whether this button's <see cref="Text"/> should be truncated if it exceeds this button's width.
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/// Whether this button's <see cref="Text"/> should be truncated if it exceeds this button's width.
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/// Defaults to false.
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/// Defaults to false.
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@ -69,12 +78,18 @@ namespace MLEM.Ui.Elements {
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/// If this is true, <see cref="CanBeSelected"/> will be able to return true even if <see cref="IsDisabled"/> is true.
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/// If this is true, <see cref="CanBeSelected"/> will be able to return true even if <see cref="IsDisabled"/> is true.
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/// </summary>
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/// </summary>
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public bool CanSelectDisabled;
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public bool CanSelectDisabled;
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/// <summary>
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/// An optional function that can be used to set <see cref="IsDisabled"/> automatically based on a user-defined condition. This removes the need to disable a button based on a condition in <see cref="Element.OnUpdated"/> or manually.
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/// </summary>
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public Func<Button, bool> AutoDisableCondition;
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/// <inheritdoc />
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/// <inheritdoc />
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public override bool CanBeSelected => base.CanBeSelected && (this.CanSelectDisabled || !this.IsDisabled);
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public override bool CanBeSelected => base.CanBeSelected && (this.CanSelectDisabled || !this.IsDisabled);
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/// <inheritdoc />
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/// <inheritdoc />
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public override bool CanBePressed => base.CanBePressed && !this.IsDisabled;
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public override bool CanBePressed => base.CanBePressed && !this.IsDisabled;
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private bool isDisabled;
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/// <summary>
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/// <summary>
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/// Creates a new button with the given settings
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/// Creates a new button with the given settings
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/// </summary>
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/// </summary>
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@ -172,9 +172,15 @@ namespace MLEM.Ui.Elements {
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/// <summary>
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/// <summary>
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/// Set this property to <c>true</c> to cause this element to be hidden.
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/// Set this property to <c>true</c> to cause this element to be hidden.
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/// Hidden elements don't receive input events, aren't rendered and don't factor into auto-anchoring.
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/// Hidden elements don't receive input events, aren't rendered and don't factor into auto-anchoring.
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/// If this value changes often, consider using <see cref="AutoHideCondition"/> to set it automatically.
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/// </summary>
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/// </summary>
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public virtual bool IsHidden {
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public virtual bool IsHidden {
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get => this.isHidden;
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get {
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// instead of just returning, we set IsHidden here because we might have to set our area dirty
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if (this.AutoHideCondition != null)
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this.IsHidden = this.AutoHideCondition(this);
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return this.isHidden;
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}
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set {
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set {
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if (this.isHidden == value)
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if (this.isHidden == value)
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return;
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return;
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@ -430,6 +436,10 @@ namespace MLEM.Ui.Elements {
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/// </summary>
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/// </summary>
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[Obsolete("OnDisposed will be removed in a future update. To unregister custom event handlers, use OnRemovedFromUi instead.")]
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[Obsolete("OnDisposed will be removed in a future update. To unregister custom event handlers, use OnRemovedFromUi instead.")]
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public GenericCallback OnDisposed;
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public GenericCallback OnDisposed;
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/// <summary>
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/// An optional function that can be used to set <see cref="IsHidden"/> automatically based on a user-defined condition. This removes the need to hide an element based on a condition in <see cref="Element.OnUpdated"/> or manually.
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/// </summary>
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public Func<Element, bool> AutoHideCondition;
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/// <summary>
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/// <summary>
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/// A list of all of this element's direct children.
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/// A list of all of this element's direct children.
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