Added buttons for checkboxes and horizontal rule in markdown editor.

Author: tpb1908

app/src/main/java/com/tpb/projects/editors/MarkdownButtonAdapter.java

@@ -86,6 +86,36 @@ private void initViews() {
         });
         mScrollView.addView(preview);
 
+        preview = (ImageButton) LayoutInflater.from(mParent)
+                                              .inflate(R.layout.shard_markdown_button, mScrollView,
+                                                      false
+                                              );
+        preview.setImageResource(R.drawable.ic_check_box_checked);
+        preview.setOnClickListener((v) -> {
+            if(mListener != null) mListener.snippetEntered(" [x] ", 5);
+        });
+        mScrollView.addView(preview);
+
+        preview = (ImageButton) LayoutInflater.from(mParent)
+                                              .inflate(R.layout.shard_markdown_button, mScrollView,
+                                                      false
+                                              );
+        preview.setImageResource(R.drawable.ic_check_box_empty);
+        preview.setOnClickListener((v) -> {
+            if(mListener != null) mListener.snippetEntered(" [] ", 4);
+        });
+        mScrollView.addView(preview);
+
+        preview = (ImageButton) LayoutInflater.from(mParent)
+                                              .inflate(R.layout.shard_markdown_button, mScrollView,
+                                                      false
+                                              );
+        preview.setImageResource(R.drawable.ic_horizontal_rule);
+        preview.setOnClickListener((v) -> {
+            if(mListener != null) mListener.snippetEntered("\n---\n ", 5);
+        });
+        mScrollView.addView(preview);
+
         preview = (ImageButton) LayoutInflater.from(mParent)
                                               .inflate(R.layout.shard_markdown_button, mScrollView,
                                                       false

app/src/main/res/drawable/ic_check_box_checked.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="?attr/drawableColor"
+        android:pathData="M19,3L5,3c-1.11,0 -2,0.9 -2,2v14c0,1.1 0.89,2 2,2h14c1.11,0 2,-0.9 2,-2L21,5c0,-1.1 -0.89,-2 -2,-2zM10,17l-5,-5 1.41,-1.41L10,14.17l7.59,-7.59L19,8l-9,9z"/>
+</vector>

app/src/main/res/drawable/ic_check_box_empty.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="?attr/drawableColor"
+        android:pathData="M19,5v14H5V5h14m0,-2H5c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2V5c0,-1.1 -0.9,-2 -2,-2z"/>
+</vector>

app/src/main/res/drawable/ic_horizontal_rule.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="?attr/drawableColor"
+        android:pathData="M19,13H5v-2h14v2z"/>
+</vector>

markdowntextview/src/main/java/com/tpb/mdtext/Markdown.java

@@ -4,6 +4,7 @@
 import android.support.annotation.Nullable;
 import android.support.v4.util.ArraySet;
 import android.text.Html;
+import android.util.Base64;
 
 import com.tpb.mdtext.emoji.Emoji;
 import com.tpb.mdtext.emoji.EmojiLoader;
@@ -96,7 +97,7 @@ public void render(Node node) {
                     html.line();
                     html.tag("code");
                     html.raw(String.format("[%1$s]%2$s<br>", block.getInfo(),
-                            Html.escapeHtml(block.getLiteral()).replace(" ", "&nbsp;").replace("\n", "<br>")
+                                    Base64.encodeToString(block.getLiteral().getBytes(), Base64.DEFAULT)
                     ));
                     html.tag("/code");
                     html.tag("br");

markdowntextview/src/main/java/com/tpb/mdtext/views/spans/CodeSpan.java

@@ -12,6 +12,7 @@
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 import android.text.style.ReplacementSpan;
+import android.util.Base64;
 
 import com.tpb.mdtext.TextUtils;
 import com.tpb.mdtext.handlers.CodeClickHandler;
@@ -48,6 +49,7 @@ public void setCode(String code) {
         } else {
             mCode = code;
         }
+        mCode = new String(Base64.decode(mCode, Base64.DEFAULT));
     }
 
     @Override
@@ -88,6 +90,7 @@ public void draw(@NonNull Canvas canvas, CharSequence text, @IntRange(from = 0)
     }
 
     public void onClick() {
+
         if(mHandler.get() != null) mHandler.get().codeClicked(mCode, mLanguage);
     }