add spannable support

library/src/main/java/com/cunoraz/tagview/Tag.java

@@ -1,12 +1,13 @@
 package com.cunoraz.tagview;
 
 import android.graphics.drawable.Drawable;
+import android.text.SpannableString;
 
 
 public class Tag {
 
     private int id;
-    private String text;
+    private SpannableString spannableText;
     private int tagTextColor;
     private float tagTextSize;
     private int layoutColor;
@@ -22,16 +23,24 @@ public class Tag {
 
 
     public Tag(String text) {
-        init(0, text, Constants.DEFAULT_TAG_TEXT_COLOR, Constants.DEFAULT_TAG_TEXT_SIZE, Constants.DEFAULT_TAG_LAYOUT_COLOR, Constants.DEFAULT_TAG_LAYOUT_COLOR_PRESS,
+        initWithSpannable(new SpannableString(text));
+    }
+
+    public Tag(SpannableString spannableText) {
+        initWithSpannable(spannableText);
+    }
+
+    private void initWithSpannable(SpannableString spannableText) {
+        init(0, spannableText, Constants.DEFAULT_TAG_TEXT_COLOR, Constants.DEFAULT_TAG_TEXT_SIZE, Constants.DEFAULT_TAG_LAYOUT_COLOR, Constants.DEFAULT_TAG_LAYOUT_COLOR_PRESS,
                 Constants.DEFAULT_TAG_IS_DELETABLE, Constants.DEFAULT_TAG_DELETE_INDICATOR_COLOR, Constants.DEFAULT_TAG_DELETE_INDICATOR_SIZE, Constants.DEFAULT_TAG_RADIUS, Constants.DEFAULT_TAG_DELETE_ICON, Constants.DEFAULT_TAG_LAYOUT_BORDER_SIZE, Constants.DEFAULT_TAG_LAYOUT_BORDER_COLOR);
     }
 
-    private void init(int id, String text, int tagTextColor, float tagTextSize,
+    private void init(int id, SpannableString spannableText, int tagTextColor, float tagTextSize,
                       int layoutColor, int layoutColorPress, boolean isDeletable,
                       int deleteIndicatorColor,float deleteIndicatorSize, float radius,
                       String deleteIcon, float layoutBorderSize, int layoutBorderColor) {
         this.id = id;
-        this.text = text;
+        this.spannableText = spannableText;
         this.tagTextColor = tagTextColor;
         this.tagTextSize = tagTextSize;
         this.layoutColor = layoutColor;
@@ -94,7 +103,11 @@ public void setBackground(Drawable background) {
     }
 
     public String getText() {
-        return text;
+        return spannableText.toString();
+    }
+
+    public SpannableString getSpannableText() {
+        return spannableText;
     }
 
     public int getTagTextColor() {

library/src/main/java/com/cunoraz/tagview/TagView.java

@@ -189,7 +189,7 @@ private void drawTags() {
 
             // tag text
             TextView tagView = (TextView) tagLayout.findViewById(R.id.tv_tag_item_contain);
-            tagView.setText(tag.getText());
+            tagView.setText(tag.getSpannableText());
             LinearLayout.LayoutParams params = (LinearLayout.LayoutParams) tagView.getLayoutParams();
             params.setMargins(textPaddingLeft, textPaddingTop, textPaddingRight, textPaddingBottom);
             tagView.setLayoutParams(params);
@@ -216,7 +216,7 @@ public boolean onLongClick(View v) {
             });
 
             // calculate　of tag layout width
-            float tagWidth = tagView.getPaint().measureText(tag.getText()) + textPaddingLeft + textPaddingRight;
+            float tagWidth = Utils.calculateSpannableWidth(tag.getSpannableText(), tagView.getPaint()) + textPaddingLeft + textPaddingRight;
             // tagView padding (left & right)
 
             // deletable text

library/src/main/java/com/cunoraz/tagview/Utils.java

@@ -1,6 +1,9 @@
 package com.cunoraz.tagview;
 
 import android.content.Context;
+import android.text.SpannableString;
+import android.text.StaticLayout;
+import android.text.TextPaint;
 import android.util.DisplayMetrics;
 import android.util.TypedValue;
 
@@ -14,4 +17,24 @@ public static int dipToPx(Context c,float dipValue) {
 		DisplayMetrics metrics = c.getResources().getDisplayMetrics();
 		return (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dipValue, metrics);
 	}
+
+    public static float calculateSpannableWidth(SpannableString spannableText, TextPaint paint) {
+        StaticLayout tempLayout = new StaticLayout(
+                spannableText,
+                paint,
+                10000,
+                android.text.Layout.Alignment.ALIGN_NORMAL,
+                1f,
+                0f,
+                false
+        );
+        int lineCount = tempLayout.getLineCount();
+        float textWidth = 0;
+
+        for (int i = 0; i < lineCount; i++) {
+            textWidth += tempLayout.getLineWidth(i);
+        }
+
+        return textWidth;
+    }
 }