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Add Option For Custom Span Handling #1

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Add Option For Custom Span Handling #1

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4 changes: 3 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,9 @@ fun HtmlText(
URLSpanStyle: SpanStyle = SpanStyle(
color = linkTextColor(),
textDecoration = TextDecoration.Underline
)
),
customSpannedHandler: ((Spanned) -> AnnotatedString)? = null,
useCustomSpannedHandler: Boolean = customSpannedHandler != null
)
```

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22 changes: 14 additions & 8 deletions htmlcompose/src/main/java/com/ireward/htmlcompose/HtmlText.kt
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
package com.ireward.htmlcompose

import android.text.Spanned
import android.text.style.*
import android.widget.TextView
import androidx.compose.foundation.text.ClickableText
Expand All @@ -8,10 +9,7 @@ import androidx.compose.runtime.Composable
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.platform.LocalContext
import androidx.compose.ui.text.SpanStyle
import androidx.compose.ui.text.TextLayoutResult
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.text.buildAnnotatedString
import androidx.compose.ui.text.*
import androidx.compose.ui.text.style.TextDecoration
import androidx.compose.ui.text.style.TextOverflow
import androidx.compose.ui.unit.TextUnit
Expand All @@ -35,9 +33,11 @@ fun HtmlText(
URLSpanStyle: SpanStyle = SpanStyle(
color = linkTextColor(),
textDecoration = TextDecoration.Underline
)
),
customSpannedHandler: ((Spanned) -> AnnotatedString)? = null,
useCustomSpannedHandler: Boolean = customSpannedHandler != null
) {
val content = text.asHTML(fontSize, flags, URLSpanStyle)
val content = text.asHTML(fontSize, flags, URLSpanStyle, customSpannedHandler, useCustomSpannedHandler)
if (linkClicked != null) {
ClickableText(
modifier = modifier,
Expand Down Expand Up @@ -77,12 +77,18 @@ private fun linkTextColor() = Color(
private fun String.asHTML(
fontSize: TextUnit,
flags: Int,
URLSpanStyle: SpanStyle
URLSpanStyle: SpanStyle,
customSpannedHandler: ((Spanned) -> AnnotatedString)? = null,
useCustomSpannedHandler: Boolean = customSpannedHandler != null
) = buildAnnotatedString {
val spanned = HtmlCompat.fromHtml(this@asHTML, flags)
val spans = spanned.getSpans(0, spanned.length, Any::class.java)

append(spanned.toString())
if (useCustomSpannedHandler) {
append(customSpannedHandler!!(spanned))
} else {
append(spanned.toString())
}

spans
.filter { it !is BulletSpan }
Expand Down