From e1dc85b3e876c74820777f2aeeb128408687a84c Mon Sep 17 00:00:00 2001
From: Jerrad Thramer <jthramer@quora.com>
Date: Tue, 31 Oct 2023 16:54:20 -0600
Subject: [PATCH] Adding ability and switch for `ExpandableView` to be
 collapsed by tapping on expanded text body.

---
 Example/ExpandableTextExample/ContentView.swift       |  1 +
 Sources/ExpandableText/ExpandableText+Modifiers.swift | 11 +++++++++++
 Sources/ExpandableText/ExpandableText.swift           |  4 +++-
 3 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/Example/ExpandableTextExample/ContentView.swift b/Example/ExpandableTextExample/ContentView.swift
index 3ac48f1..8590a9b 100644
--- a/Example/ExpandableTextExample/ContentView.swift
+++ b/Example/ExpandableTextExample/ContentView.swift
@@ -31,6 +31,7 @@ struct ContentView: View {
                     .moreButtonColor(.red)
                     .expandAnimation(.easeInOut(duration: 2))
                     .trimMultipleNewlinesWhenTruncated(false)
+                    .enableCollapse(true)
                     .border(.red)
                 
                 ExpandableText("**Markdown** is _supported_")
diff --git a/Sources/ExpandableText/ExpandableText+Modifiers.swift b/Sources/ExpandableText/ExpandableText+Modifiers.swift
index 7b095b5..d7cb4ee 100644
--- a/Sources/ExpandableText/ExpandableText+Modifiers.swift
+++ b/Sources/ExpandableText/ExpandableText+Modifiers.swift
@@ -87,6 +87,17 @@ public extension ExpandableText {
         return copy
     }
     
+    /**
+      Enables collapsing behavior by tapping on the text body when the state is expanded.
+      - Parameter value: Whether or not to enable collapse functionality.
+      - Returns: A new `ExpandableText` instance with the specified collapse ability applied.
+      */
+     func enableCollapse(_ value: Bool) -> Self {
+         var copy = self
+         copy.collapseEnabled = value
+         return copy
+     }
+    
     /**
      Sets whether multiple consecutive newline characters should be trimmed when truncating the text in the `ExpandableText` instance.
      - Parameter value: A boolean value indicating whether to trim multiple consecutive newline characters. Defaults to `true`
diff --git a/Sources/ExpandableText/ExpandableText.swift b/Sources/ExpandableText/ExpandableText.swift
index a70df8e..43cdff0 100644
--- a/Sources/ExpandableText/ExpandableText.swift
+++ b/Sources/ExpandableText/ExpandableText.swift
@@ -42,6 +42,7 @@ public struct ExpandableText: View {
     internal var moreButtonFont: Font?
     internal var moreButtonColor: Color = .accentColor
     internal var expandAnimation: Animation = .default
+    internal var collapseEnabled: Bool = false
     internal var trimMultipleNewlinesWhenTruncated: Bool = true
     
     /**
@@ -79,7 +80,8 @@ public struct ExpandableText: View {
             )
             .contentShape(Rectangle())
             .onTapGesture {
-                if shouldShowMoreButton {
+                if (isExpanded && collapseEnabled) ||
+                     shouldShowMoreButton {
                     withAnimation(expandAnimation) { isExpanded.toggle() }
                 }
             }