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tidied up paragraph link code

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Ellpeck 2020-06-30 00:49:42 +02:00
parent 3eded637da
commit 9d5e9d4ccf
1 changed files with 33 additions and 35 deletions
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66
MLEM.Ui/Elements/Paragraph.cs
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@ -126,27 +126,16 @@ namespace MLEM.Ui.Elements {
/// </summary>
/// <param name="size">The paragraph's default size</param>
protected virtual void ParseText(Vector2 size) {
if (this.TokenizedText == null)
if (this.TokenizedText == null) {
// tokenize the text
this.TokenizedText = this.System.TextFormatter.Tokenize(this.RegularFont, this.Text);
this.TokenizedText.Split(this.RegularFont, size.X - this.ScaledPadding.Width, this.TextScale * this.Scale);
var linkTokens = this.TokenizedText.Tokens.Where(t => t.AppliedCodes.Any(c => c is LinkCode)).ToArray();
// this basically checks if there are any tokens that have an area that doesn't have a link element associated with it
if (linkTokens.Any(t => !t.GetArea(Vector2.Zero, this.TextScale).All(a => this.GetChildren<Link>(c => c.PositionOffset == a.Location && c.Size == a.Size).Any()))) {
// add links to the paragraph
this.RemoveChildren(c => c is Link);
foreach (var link in linkTokens) {
var areas = link.GetArea(Vector2.Zero, this.TextScale).ToArray();
var cluster = new Link[areas.Length];
for (var i = 0; i < areas.Length; i++) {
var area = areas[i];
cluster[i] = this.AddChild(new Link(Anchor.TopLeft, link, area.Size, cluster) {
PositionOffset = area.Location,
// only allow selecting the first part of a link
CanBeSelected = i == 0
});
}
}
foreach (var link in this.TokenizedText.Tokens.Where(t => t.AppliedCodes.Any(c => c is LinkCode)))
this.AddChild(new Link(Anchor.TopLeft, link, this.TextScale));
}
this.TokenizedText.Split(this.RegularFont, size.X - this.ScaledPadding.Width, this.TextScale * this.Scale);
}
private void QueryTextCallback() {
@ -169,36 +158,45 @@ namespace MLEM.Ui.Elements {
/// The token that this link represents
/// </summary>
public readonly Token Token;
/// <summary>
/// The links that form a cluster for the given token.
/// This only contains more than one element if the tokenized string has previously been <see cref="TokenizedString.Split"/>.
/// </summary>
public readonly Link[] LinkCluster;
private readonly float textScale;
/// <summary>
/// Creates a new link element with the given settings
/// </summary>
/// <param name="anchor">The link's anchor</param>
/// <param name="token">The token that this link represents</param>
/// <param name="size">The size of the token</param>
/// <param name="linkCluster">The links that form a cluster for the given token. This only contains more than one element if the tokenized string has previously been split.</param>
public Link(Anchor anchor, Token token, Vector2 size, Link[] linkCluster) : base(anchor, size) {
/// <param name="textScale">The scale that text is rendered with</param>
public Link(Anchor anchor, Token token, float textScale) : base(anchor, Vector2.Zero) {
this.Token = token;
this.LinkCluster = linkCluster;
this.OnSelected += e => {
foreach (var link in this.LinkCluster)
link.IsSelected = true;
};
this.OnDeselected += e => {
foreach (var link in this.LinkCluster)
link.IsSelected = false;
};
this.textScale = textScale;
this.OnPressed += e => {
foreach (var code in token.AppliedCodes.OfType<LinkCode>())
this.System?.LinkBehavior?.Invoke(code);
};
}
/// <inheritdoc />
public override void ForceUpdateArea() {
// set the position offset and size to the token's first area
var area = this.Token.GetArea(Vector2.Zero, this.textScale).First();
this.PositionOffset = area.Location;
this.Size = area.Size;
base.ForceUpdateArea();
}
/// <inheritdoc />
public override Element GetElementUnderPos(Vector2 position) {
var ret = base.GetElementUnderPos(position);
if (ret != null)
return ret;
// check if any of our token's parts are hovered
foreach (var rect in this.Token.GetArea(this.Parent.DisplayArea.Location, this.Scale * this.textScale)) {
if (rect.Contains(position))
return this;
}
return null;
}
}
}