From ee4c4aaa5ab44168cff449b3b486755114adffd7 Mon Sep 17 00:00:00 2001
From: Kirill Nayduik <kirill.nayduikkn1@gmail.com>
Date: Tue, 25 Jan 2022 18:38:05 +0300
Subject: [PATCH 1/2] Add StyleableSubTextView to support styling substrings of
 text

---
 .../views/text_view/StyleableSubTextView.kt   | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 views/src/main/java/ru/touchin/roboswag/views/text_view/StyleableSubTextView.kt

diff --git a/views/src/main/java/ru/touchin/roboswag/views/text_view/StyleableSubTextView.kt b/views/src/main/java/ru/touchin/roboswag/views/text_view/StyleableSubTextView.kt
new file mode 100644
index 0000000..2851042
--- /dev/null
+++ b/views/src/main/java/ru/touchin/roboswag/views/text_view/StyleableSubTextView.kt
@@ -0,0 +1,35 @@
+package ru.touchin.roboswag.views.text_view
+
+import android.content.Context
+import android.util.AttributeSet
+import androidx.core.content.withStyledAttributes
+import ru.touchin.extensions.getResourceIdOrNull
+import ru.touchin.roboswag.components.utils.spans.toStyleableSubstringText
+import ru.touchin.roboswag.views.R
+
+/**
+ * A [android.widget.TextView] which support styling substrings of text
+ */
+class StyleableSubTextView @JvmOverloads constructor(
+        context: Context,
+        attrs: AttributeSet? = null,
+        defStyleAttr: Int = 0
+): EllipsizeSpannableTextView(context, attrs, defStyleAttr) {
+
+    init {
+        context.withStyledAttributes(attrs, R.styleable.StyleableSubTextView, defStyleAttr, 0) {
+            val substring = getString(R.styleable.StyleableSubTextView_subtext)
+            val subtextStyle = getResourceIdOrNull(R.styleable.StyleableSubTextView_subtextStyle)
+
+            if (subtextStyle != null && substring != null) {
+                text = text.toStyleableSubstringText(
+                        substring = substring,
+                        styleId = subtextStyle,
+                        context = context
+                )
+            }
+
+        }
+    }
+
+}

From 3d01b780be153a9e87f0f517527074899cbf3a02 Mon Sep 17 00:00:00 2001
From: Kirill Nayduik <kirill.nayduikkn1@gmail.com>
Date: Wed, 26 Jan 2022 16:58:24 +0300
Subject: [PATCH 2/2] Action TextViews bugfix

---
 .../components/utils/spans/SpanUtils.kt       |  5 ++--
 .../views/text_view/MultipleActionTextView.kt | 30 +++----------------
 2 files changed, 7 insertions(+), 28 deletions(-)

diff --git a/utils/src/main/java/ru/touchin/roboswag/components/utils/spans/SpanUtils.kt b/utils/src/main/java/ru/touchin/roboswag/components/utils/spans/SpanUtils.kt
index 98655e5..095443e 100644
--- a/utils/src/main/java/ru/touchin/roboswag/components/utils/spans/SpanUtils.kt
+++ b/utils/src/main/java/ru/touchin/roboswag/components/utils/spans/SpanUtils.kt
@@ -76,7 +76,6 @@ fun CharSequence.toClickableSubstringText(
             }
 
             override fun updateDrawState(ds: TextPaint) {
-                super.updateDrawState(ds)
                 ds.isUnderlineText = isUnderlineText
             }
         }
@@ -92,7 +91,9 @@ fun CharSequence.toStyleableSubstringText(
 private fun CharSequence.toSubstringSpannable(
         substring: String,
         span: Any?
-) = SpannableString(this)
+) = toSpannable()
         .apply {
             indexesOf(substring)?.let { (startSpan, endSpan) -> setSpan(span, startSpan, endSpan, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) }
         }
+
+private fun CharSequence.toSpannable() = if (this is SpannableString) this else SpannableString(this)
diff --git a/views/src/main/java/ru/touchin/roboswag/views/text_view/MultipleActionTextView.kt b/views/src/main/java/ru/touchin/roboswag/views/text_view/MultipleActionTextView.kt
index e41fd3f..130fe56 100644
--- a/views/src/main/java/ru/touchin/roboswag/views/text_view/MultipleActionTextView.kt
+++ b/views/src/main/java/ru/touchin/roboswag/views/text_view/MultipleActionTextView.kt
@@ -2,18 +2,13 @@ package ru.touchin.roboswag.views.text_view
 
 import android.content.Context
 import android.graphics.Color
-import android.text.Spanned
-import android.text.TextPaint
-import android.text.style.ClickableSpan
-import android.text.style.TextAppearanceSpan
 import android.util.AttributeSet
-import android.view.View
-import androidx.annotation.ColorInt
+import androidx.annotation.StyleRes
 import androidx.core.content.withStyledAttributes
 import androidx.core.text.toSpannable
 import ru.touchin.extensions.getResourceIdOrNull
-import ru.touchin.extensions.indexesOf
 import ru.touchin.roboswag.components.utils.movementmethods.ClickableMovementMethod
+import ru.touchin.roboswag.components.utils.spans.toClickableSubstringText
 import ru.touchin.roboswag.views.R
 
 /**
@@ -28,7 +23,7 @@ class MultipleActionTextView @JvmOverloads constructor(
 
     private val onClickActions = mutableListOf<SubstringClickAction>()
 
-    @ColorInt
+    @StyleRes
     private var textStyle: Int? = null
 
     private var isUnderlineText = false
@@ -52,24 +47,7 @@ class MultipleActionTextView @JvmOverloads constructor(
 
     private fun applyActionSpans() {
         text = text.toSpannable().apply {
-            onClickActions.forEach { (substring, action) ->
-
-                indexesOf(substring)?.let { (startSpan, endSpan) ->
-
-                    setSpan(object : ClickableSpan() {
-                        override fun onClick(widget: View) {
-                            action.invoke()
-                        }
-
-                        override fun updateDrawState(ds: TextPaint) {
-                            super.updateDrawState(ds)
-                            ds.isUnderlineText = isUnderlineText
-                        }
-                    }, startSpan, endSpan, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE)
-
-                    textStyle?.let { setSpan(TextAppearanceSpan(context, it), startSpan, endSpan, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE) }
-                }
-            }
+            onClickActions.forEach { (substring, action) -> toClickableSubstringText(substring, action, isUnderlineText, textStyle, context) }
         }
     }