package com.example.abner.textviewselector;
import android.content.Context;
import android.graphics.Color;
import android.graphics.Typeface;
import android.support.annotation.NonNull;
import android.text.Layout;
import android.text.Selection;
import android.text.Spannable;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.TextPaint;
import android.text.TextUtils;
import android.text.method.LinkMovementMethod;
import android.text.style.BackgroundColorSpan;
import android.text.style.ClickableSpan;
import android.text.style.StyleSpan;
import android.util.AttributeSet;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
/**
* Created by Abner on 15/6/17.
* QQ 230877476
* Email nimengbo@gmail.com
*/
public class CommentTextView extends TextView {
private TextView instance;
private Context mContext;
private StyleSpan boldSpan;
//回复者
private ClickableSpan reviewSpan;
//被回复者
private ClickableSpan replySpan;
public CommentTextView(Context context) {
super(context);
mContext = context;
initView();
}
public CommentTextView(Context context, AttributeSet attrs) {
super(context, attrs);
mContext = context;
initView();
}
public CommentTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
mContext = context;
initView();
}
private void initView() {
instance = this;
setHighlightColor(getResources().getColor(R.color.transparent));
setMovementMethod(LinkMovementMethod.getInstance());
boldSpan = new StyleSpan(Typeface.BOLD);
reviewSpan = new ClickableSpan() {
@Override
public void onClick(View widget) {
CommentModel model1 = (CommentModel) widget.getTag();
Toast.makeText(mContext, model1.getReviewUName(), Toast.LENGTH_SHORT).show();
}
@Override
public void updateDrawState(TextPaint ds) {
super.updateDrawState(ds);
ds.setTypeface(Typeface.DEFAULT_BOLD);
ds.setUnderlineText(false);
ds.setColor(getResources().getColor(R.color.blue_666e8a));
}
};
replySpan = new ClickableSpan() {
@Override
public void onClick(View widget) {
CommentModel model1 = (CommentModel) widget.getTag();
Toast.makeText(mContext, model1.getReplyUName(), Toast.LENGTH_SHORT).show();
}
@Override
public void updateDrawState(@NonNull TextPaint ds) {
super.updateDrawState(ds);
ds.setTypeface(Typeface.DEFAULT_BOLD);
ds.setUnderlineText(false);
ds.setColor(getResources().getColor(R.color.blue_666e8a));
}
};
}
private TextBlankClickListener listener;
public void setListener(TextBlankClickListener listener) {
this.listener = listener;
}
private int mStart = -1;
private int mEnd = -1;
private android.os.Handler handler = new android.os.Handler();
//计数
private int leftTime;
private Runnable countDownRunnable = new Runnable() {
public void run() {
leftTime--;
if (leftTime == -1) {
// 触发长按事件
if(listener != null && !isMove){
listener.onLongClick(instance);
}
} else {
//100毫秒执行一次 超过500毫秒就说明触发长按
handler.postDelayed(this, 100);
}
}
};
private boolean isMove = false;
private float lastX;
private float lastY;
@Override
public boolean onTouchEvent(MotionEvent event) {
boolean result = super.onTouchEvent(event);
int action = event.getAction();
int x = (int) event.getX();
int y = (int) event.getY();
if (action == MotionEvent.ACTION_DOWN) {
lastX = event.getX();
lastY = event.getY();
isMove = false;
} else if (action == MotionEvent.ACTION_MOVE) {
float distanceX = Math.abs(lastX - event.getX());
float distanceY = Math.abs(lastY - event.getY());
if (distanceX > 1.5f || distanceY > 1.5f) {
isMove = true;
// return result;
}
}
x -= getTotalPaddingLeft();
y -= getTotalPaddingTop();
x += getScrollX();
y += getScrollY();
Layout layout = getLayout();
int line = layout.getLineForVertical(y);
int off = layout.getOffsetForHorizontal(line, x);
CharSequence text = getText();
if (TextUtils.isEmpty(text) || !(text instanceof Spannable)) {
return result;
}
Spannable buffer = (Spannable) text;
ClickableSpan[] link = buffer.getSpans(off, off, ClickableSpan.class);
if (link.length != 0) {
if (action == MotionEvent.ACTION_DOWN) {
mStart = buffer.getSpanStart(link[0]);
mEnd = buffer.getSpanEnd(link[0]);
if (mStart >= 0 && mEnd >= mStart) {
buffer.setSpan(new BackgroundColorSpan(Color.GRAY), mStart, mEnd,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
} else if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
if (mStart >= 0 && mEnd >= mStart) {
buffer.setSpan(new BackgroundColorSpan(Color.TRANSPARENT), mStart, mEnd,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
mStart = -1;
mEnd = -1;
}
}
return true;
} else {
if (mStart >= 0 && mEnd >= mStart) {
buffer.setSpan(new BackgroundColorSpan(Color.TRANSPARENT), mStart, mEnd,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
mStart = -1;
mEnd = -1;
}
if (action == MotionEvent.ACTION_DOWN) {
setBackgroundColor(Color.GRAY);
//开始计数
leftTime = 5;
handler.post(countDownRunnable);
return true;
} else if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {
setBackgroundColor(Color.TRANSPARENT);
//如果没有调用长按 调用点击整个的监听
if (leftTime > -1) {
leftTime = 10;
handler.removeCallbacks(countDownRunnable);//移除统计
if (listener != null && !isMove) {
listener.onBlankClick(this);
}
}
} else if (action == MotionEvent.ACTION_MOVE) {
if (isMove) {
setBackgroundColor(Color.TRANSPARENT);
}
}
Selection.removeSelection(buffer);
return result;
}
}
/**
* 设置回复的可点击文本
*
* @param model
* @return
*/
public void setReply(CommentModel model) {
setText("");
setTag(model);
String reviewName = model.getReviewUName();
SpannableStringBuilder stylesBuilder;
String str;
if (model.getReplyUid() != 0) {
String replyName = model.getReplyUName();
str = reviewName + "回复" + replyName + "：" + model.getReviewContent();
int reviewStart = str.indexOf(reviewName);
int replyStart = str.indexOf(replyName);
stylesBuilder = new SpannableStringBuilder(str);
stylesBuilder.setSpan(reviewSpan, reviewStart, reviewStart + reviewName.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
stylesBuilder.setSpan(replySpan, replyStart, replyStart + replyName.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
} else {
str = reviewName + "：" + model.getReviewContent();
int reviewStart = str.indexOf(reviewName);
stylesBuilder = new SpannableStringBuilder(str);
stylesBuilder.setSpan(reviewSpan, reviewStart, reviewStart + reviewName.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
}
append(stylesBuilder);
}
}