android 重写复制剪切方法，处理插入用户话题数据

Author: ellieshen

…m/variabletextinput/util/BitMapUtil.java …m/variabletextinput/util/BitmapUtil.javaandroid/src/main/java/com/variabletextinput/util/BitMapUtil.java renamed to android/src/main/java/com/variabletextinput/util/BitmapUtil.java android/src/main/java/com/variabletextinput/util/BitMapUtil.java renamed to android/src/main/java/com/variabletextinput/util/BitmapUtil.java

@@ -6,7 +6,7 @@
 import android.graphics.Rect;
 import android.graphics.Typeface;
 
-public class BitMapUtil {
+public class BitmapUtil {
 
   public static Bitmap getTextBitmap(String name, Typeface typeface, float fontSize, int color) {
     Paint paint = new Paint();

android/src/main/java/com/variabletextinput/view/VariableEditText.java

@@ -1,17 +1,26 @@
 package com.variabletextinput.view;
+
 import android.content.Context;
 import android.util.AttributeSet;
 
-public class VariableEditText extends androidx.appcompat.widget.AppCompatEditText {
+import androidx.appcompat.widget.AppCompatEditText;
+
+public class VariableEditText extends AppCompatEditText {
+
+  private OnMenuItemCallBack mOnMenuItemCallBack;
+
   public VariableEditText(Context context) {
     super(context);
   }
-  public VariableEditText(Context context, AttributeSet attrs){
-    super(context,attrs);
+
+  public VariableEditText(Context context, AttributeSet attrs) {
+    super(context, attrs);
   }
-  public VariableEditText(Context context,AttributeSet attrs,int defStyleAttr){
-    super(context,attrs,defStyleAttr);
+
+  public VariableEditText(Context context, AttributeSet attrs, int defStyleAttr) {
+    super(context, attrs, defStyleAttr);
   }
+
   @Override
   public boolean isLayoutRequested() {
     // If we are watching and updating container height based on content size
@@ -21,4 +30,32 @@ public boolean isLayoutRequested() {
     // of text.
     return false;
   }
+
+  @Override
+  public boolean onTextContextMenuItem(int id) {
+    switch (id) {
+      case android.R.id.cut:
+        mOnMenuItemCallBack.onCut();
+        break;
+      case android.R.id.copy:
+        mOnMenuItemCallBack.onCopy();
+        break;
+      case android.R.id.paste:
+        mOnMenuItemCallBack.onPaste();
+        break;
+    }
+    return super.onTextContextMenuItem(id);
+  }
+
+  public void setOnMenuItemCallBack(OnMenuItemCallBack onMenuItemCallBack) {
+    mOnMenuItemCallBack = onMenuItemCallBack;
+  }
+
+  public interface OnMenuItemCallBack {
+    void onCut();
+
+    void onCopy();
+
+    void onPaste();
+  }
 }

android/src/main/java/com/variabletextinput/view/VariableTextInput.java

@@ -1,6 +1,8 @@
 package com.variabletextinput.view;
 
 import android.app.Activity;
+import android.content.ClipData;
+import android.content.ClipboardManager;
 import android.content.Context;
 import android.content.res.ColorStateList;
 import android.graphics.Bitmap;
@@ -33,7 +35,7 @@
 import com.variabletextinput.R;
 import com.variabletextinput.bean.RichTextBean;
 import com.variabletextinput.util.ActivityConst;
-import com.variabletextinput.util.BitMapUtil;
+import com.variabletextinput.util.BitmapUtil;
 import com.variabletextinput.widget.TextSpan;
 
 import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
@@ -109,7 +111,7 @@ public void onTextChanged(CharSequence s, int start, int before, int count) {
           ignoreNextLocalTextChange = false;
           return;
         }
-        if (editText.getText() != null && mSpanLength > -1) {
+        if (before == 1 && count == 0 && editText.getText() != null && mSpanLength > -1) {
           int length = mSpanLength;
           mSpanLength = -1;
           editText.getText().replace(start - length, start, "");
@@ -145,6 +147,43 @@ public void afterTextChanged(Editable s) {
         }
       }
     });
+    editText.setOnMenuItemCallBack(new VariableEditText.OnMenuItemCallBack() {
+      @Override
+      public void onCut() {
+        handleClipBoardData();
+      }
+
+      @Override
+      public void onCopy() {
+        handleClipBoardData();
+      }
+
+      @Override
+      public void onPaste() {
+        Log.e("onPaste", "执行onPaste方法");
+      }
+    });
+  }
+
+  //处理粘贴板数据
+  private void handleClipBoardData() {
+    ClipboardManager clipboardManager = (ClipboardManager) mContext.getSystemService(Context.CLIPBOARD_SERVICE);
+    if (clipboardManager != null && editText.getText() != null) {
+      Editable editable = Editable.Factory.getInstance().newEditable(editText.getText().subSequence(editText.getSelectionStart(), editText.getSelectionEnd()));
+      TextSpan[] spans = editable.getSpans(0, editable.length(), TextSpan.class);
+      if (spans == null || spans.length == 0) return;
+      for (TextSpan span : spans) {
+        String text = span.getRichTextBean().tag;
+        if (!TextUtils.isEmpty(span.getRichTextBean().name)) {
+          text = span.getRichTextBean().tag + span.getRichTextBean().name;
+        }
+        int startIndex = editable.getSpanStart(span);
+        int endIndex = editable.getSpanEnd(span);
+        editable.replace(startIndex, endIndex, text);
+      }
+      ClipData clipData = ClipData.newPlainText("text", editable);
+      clipboardManager.setPrimaryClip(clipData);
+    }
   }
 
   public int pxToDp(int px) {
@@ -371,7 +410,7 @@ private RichTextBean handleParams(ReadableMap map) {
     }
     if (map.hasKey(ActivityConst.EMOJI_TAG) && richTextBean.type == 1) {
       richTextBean.tag = map.getString(ActivityConst.EMOJI_TAG);
-      richTextBean.content = String.format(mContext.getString(R.string.insert_emoji), richTextBean.tag.replaceAll("\\[|\\]", ""));
+      richTextBean.content = richTextBean.tag;
     }
     if (map.hasKey(ActivityConst.NAME)) {
       String name = map.getString(ActivityConst.NAME);
@@ -415,7 +454,7 @@ private void insertMentions(RichTextBean richTextBean) {
     if (editText.getText() != null) {
       editText.getText().insert(startIndex, richTextBean.tag + richTextBean.name);
     }
-    Bitmap bitmap = BitMapUtil.getTextBitmap(richTextBean.tag + richTextBean.name, editText.getTypeface(), editText.getTextSize(), richTextBean.color);
+    Bitmap bitmap = BitmapUtil.getTextBitmap(richTextBean.tag + richTextBean.name, editText.getTypeface(), editText.getTextSize(), richTextBean.color);
     TextSpan textSpan = new TextSpan(mContext, bitmap, richTextBean);
     mSpannableString = SpannableString.valueOf(editText.getText());
     mSpannableString.setSpan(textSpan, startIndex, endIndex, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);

android/src/main/res/values/strings.xml

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
   <string name="insert_mention">{%s}[%s](%s)</string>
-  <string name="insert_emoji">[\"%s\"]</string>
 </resources>