Add: Whether to support 'letters show with RTL(eg: Android -> diordnA…

…)' style(default false)
qingfengwlt · Mar 5, 2017 · 4dd343d · 4dd343d
1 parent bec2cc0
commit 4dd343d
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Showing 4 changed files with 48 additions and 3 deletions.
diff --git a/README.md b/README.md
@@ -83,6 +83,7 @@ Now, you have successfully created some TagViews. The following will show some m
 | tag_cross_color | color | The cross icon color(default Color.BLACK)
 | tag_cross_line_width | dimension | The cross line width(default 1dp)
 | tag_cross_area_padding | dimension | The padding of the cross area(default 10dp)
+| tag_support_letters_rlt | boolean | Whether to support 'letters show with RTL(eg: Android -> diordnA)' style(default false)
 
 **You can set these attributes in layout file, or use setters(each attribute has get and set method) to set them.**
 

diff --git a/androidtagview/src/main/java/co/lujun/androidtagview/TagContainerLayout.java b/androidtagview/src/main/java/co/lujun/androidtagview/TagContainerLayout.java
@@ -108,6 +108,9 @@ public class TagContainerLayout extends ViewGroup {
     /** OnTagClickListener for TagView*/
     private TagView.OnTagClickListener mOnTagClickListener;
 
+    /** Whether to support 'letters show with RTL(eg: Android -> diordnA)' style(default false)*/
+    private boolean mTagSupportLettersRTL = false;
+
     private Paint mPaint;
 
     private RectF mRectF;
@@ -217,6 +220,8 @@ private void init(Context context, AttributeSet attrs, int defStyleAttr){
         mCrossColor = attributes.getColor(R.styleable.AndroidTagView_tag_cross_color, mCrossColor);
         mCrossLineWidth = attributes.getDimension(R.styleable.AndroidTagView_tag_cross_line_width,
                 dp2px(context, mCrossLineWidth));
+        mTagSupportLettersRTL = attributes.getBoolean(R.styleable.AndroidTagView_tag_support_letters_rlt,
+                mTagSupportLettersRTL);
         attributes.recycle();
 
         mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
@@ -450,6 +455,7 @@ private void initTagView(TagView tagView){
         tagView.setCrossAreaPadding(mCrossAreaPadding);
         tagView.setCrossColor(mCrossColor);
         tagView.setCrossLineWidth(mCrossLineWidth);
+        tagView.setTagSupportLettersRTL(mTagSupportLettersRTL);
     }
 
     private void invalidateTags(){
@@ -1189,4 +1195,20 @@ public float getCrossLineWidth() {
     public void setCrossLineWidth(float mCrossLineWidth) {
         this.mCrossLineWidth = mCrossLineWidth;
     }
+
+    /**
+     * Get the 'letters show with RTL(like: Android -> diordnA)' style if it's enabled
+     * @return
+     */
+    public boolean isTagSupportLettersRTL() {
+        return mTagSupportLettersRTL;
+    }
+
+    /**
+     *  Set whether the 'support letters show with RTL(like: Android -> diordnA)' style is enabled
+     * @param mTagSupportLettersRTL
+     */
+    public void setTagSupportLettersRTL(boolean mTagSupportLettersRTL) {
+        this.mTagSupportLettersRTL = mTagSupportLettersRTL;
+    }
 }
diff --git a/androidtagview/src/main/java/co/lujun/androidtagview/TagView.java b/androidtagview/src/main/java/co/lujun/androidtagview/TagView.java
@@ -71,6 +71,9 @@ public class TagView extends View {
     /** The distance between baseline and descent*/
     private float bdDistance;
 
+    /** Whether to support 'letters show with RTL(eg: Android -> diordnA)' style(default false)*/
+    private boolean mTagSupportLettersRTL = false;
+
     private Paint mPaint, mRipplePaint;
 
     private RectF mRectF;
@@ -197,9 +200,19 @@ protected void onDraw(Canvas canvas) {
         mPaint.setColor(mTextColor);
 
         if (mTextDirection == View.TEXT_DIRECTION_RTL) {
-            canvas.drawText(mAbstractText,
-                    (isEnableCross() ? getWidth() + fontW : getWidth()) / 2 - fontW / 2,
-                    getHeight() / 2 + fontH / 2 - bdDistance, mPaint);
+            if (mTagSupportLettersRTL){
+                float tmpX = (isEnableCross() ? getWidth() + getHeight() : getWidth()) / 2
+                        + fontW / 2;
+                for (char c : mAbstractText.toCharArray()) {
+                    String sc = String.valueOf(c);
+                    tmpX -= mPaint.measureText(sc);
+                    canvas.drawText(sc, tmpX, getHeight() / 2 + fontH / 2 - bdDistance, mPaint);
+                }
+            }else {
+                canvas.drawText(mAbstractText,
+                        (isEnableCross() ? getWidth() + fontW : getWidth()) / 2 - fontW / 2,
+                        getHeight() / 2 + fontH / 2 - bdDistance, mPaint);
+            }
         } else {
             canvas.drawText(mAbstractText,
                     (isEnableCross() ? getWidth() - getHeight() : getWidth()) / 2 - fontW / 2,
@@ -489,4 +502,12 @@ public int getCrossColor() {
     public void setCrossColor(int mCrossColor) {
         this.mCrossColor = mCrossColor;
     }
+
+    public boolean isTagSupportLettersRTL() {
+        return mTagSupportLettersRTL;
+    }
+
+    public void setTagSupportLettersRTL(boolean mTagSupportLettersRTL) {
+        this.mTagSupportLettersRTL = mTagSupportLettersRTL;
+    }
 }
diff --git a/androidtagview/src/main/res/values/attrs.xml b/androidtagview/src/main/res/values/attrs.xml
@@ -48,5 +48,6 @@
         <attr name="tag_cross_color" format="color" />
         <attr name="tag_cross_line_width" format="dimension" />
         <attr name="tag_cross_area_padding" format="dimension" />
+        <attr name="tag_support_letters_rlt" format="boolean" />
     </declare-styleable>
 </resources>