Fixed issue #49

#49
请问能否实现在图片上某处加个删除按钮点击删除图片的功能 #49

Author: chinalwb

ARE/are/src/main/java/com/chinalwb/are/AREditText.java

@@ -5,6 +5,7 @@
 import android.os.Build;
 import android.support.v7.widget.AppCompatEditText;
 import android.text.Editable;
+import android.text.Layout;
 import android.text.Spanned;
 import android.text.TextWatcher;
 import android.text.style.BackgroundColorSpan;
@@ -14,13 +15,16 @@
 import android.text.style.StyleSpan;
 import android.util.AttributeSet;
 import android.util.TypedValue;
+import android.view.MotionEvent;
 import android.view.View;
 import android.view.inputmethod.EditorInfo;
 
 import com.chinalwb.are.android.inner.Html;
 import com.chinalwb.are.events.AREMovementMethod;
 import com.chinalwb.are.render.AreImageGetter;
 import com.chinalwb.are.render.AreTagHandler;
+import com.chinalwb.are.spans.ARE_Clickable_Span;
+import com.chinalwb.are.spans.AreImageSpan;
 import com.chinalwb.are.spans.AreSubscriptSpan;
 import com.chinalwb.are.spans.AreSuperscriptSpan;
 import com.chinalwb.are.spans.AreUnderlineSpan;
@@ -84,7 +88,7 @@ private void initGlobalValues() {
 	}
 
 	private void init() {
-		// this.setMovementMethod(new AREMovementMethod());
+        // this.setMovementMethod(new AREMovementMethod());
 		this.setFocusableInTouchMode(true);
 		this.setBackgroundColor(Color.WHITE);
 		this.setInputType(EditorInfo.TYPE_CLASS_TEXT | EditorInfo.TYPE_TEXT_FLAG_MULTI_LINE
@@ -95,6 +99,17 @@ private void init() {
 		this.setTextSize(TypedValue.COMPLEX_UNIT_SP, Constants.DEFAULT_FONT_SIZE);
 	}
 
+	@Override
+	public boolean onTouchEvent(MotionEvent event) {
+		int off = AREMovementMethod.getTextOffset(this, this.getEditableText(), event);
+		ARE_Clickable_Span[] clickableSpans = this.getText().getSpans(off, off, ARE_Clickable_Span.class);
+		if (clickableSpans.length == 1 && clickableSpans[0] instanceof AreImageSpan) {
+			return true;
+		}
+
+		return super.onTouchEvent(event);
+	}
+
 	/**
 	 * Sets up listeners for controls.
 	 */

ARE/are/src/main/java/com/chinalwb/are/events/AREMovementMethod.java

@@ -58,6 +58,22 @@ public AREMovementMethod(AreClickStrategy areClickStrategy) {
         this.mAreClickStrategy = areClickStrategy;
     }
 
+    public static int getTextOffset(TextView widget, Spannable buffer, MotionEvent event) {
+        int x = (int) event.getX();
+        int y = (int) event.getY();
+
+        x -= widget.getTotalPaddingLeft();
+        y -= widget.getTotalPaddingTop();
+
+        x += widget.getScrollX();
+        y += widget.getScrollY();
+
+        Layout layout = widget.getLayout();
+        int line = layout.getLineForVertical(y);
+        int off = layout.getOffsetForHorizontal(line, x);
+        return off;
+    }
+
     @Override
     public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event) {
         // Supports android.text.method.LinkMovementMethod.onTouchEvent(TextView, Spannable, MotionEvent)'s
@@ -69,19 +85,7 @@ public boolean onTouchEvent(TextView widget, Spannable buffer, MotionEvent event
         int action = event.getAction();
 
         if (action == MotionEvent.ACTION_UP) {
-            int x = (int) event.getX();
-            int y = (int) event.getY();
-
-            x -= widget.getTotalPaddingLeft();
-            y -= widget.getTotalPaddingTop();
-
-            x += widget.getScrollX();
-            y += widget.getScrollY();
-
-            Layout layout = widget.getLayout();
-            int line = layout.getLineForVertical(y);
-            int off = layout.getOffsetForHorizontal(line, x);
-
+            int off = getTextOffset(widget, buffer, event);
             ARE_Clickable_Span[] clickableSpans = buffer.getSpans(off, off, ARE_Clickable_Span.class);
             Context context = widget.getContext();
             boolean handled = false;