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字符数统计 #9

Merged
p2u3zeg8r merged 1 commits from jxl into main 8 months ago
Conversation 0 Commits 1 Files Changed 2
2 changed files with 121 additions and 32 deletions
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8
.idea/deploymentTargetSelector.xml
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@ -4,14 +4,6 @@
<selectionStates>
<SelectionState runConfigName="app">
<option name="selectionMode" value="DROPDOWN" />
<DropdownSelection timestamp="2025-06-11T10:41:01.007544700Z">
<Target type="DEFAULT_BOOT">
<handle>
<DeviceId pluginId="LocalEmulator" identifier="path=C:\Users\86180\.android\avd\Pixel_8.avd" />
</handle>
</Target>
</DropdownSelection>
<DialogSelection />
</SelectionState>
</selectionStates>
</component>

145
app/src/main/java/net/micode/notes/ui/NoteEditText.java
Unescape View File

@ -17,7 +17,10 @@
package net.micode.notes.ui;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.graphics.Typeface;
import android.text.Layout;
import android.text.Selection;
import android.text.Spanned;
@ -30,21 +33,35 @@ import android.view.KeyEvent;
import android.view.MenuItem;
import android.view.MenuItem.OnMenuItemClickListener;
import android.view.MotionEvent;
import android.widget.EditText;
import android.text.TextWatcher;
import android.text.Editable;
import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import androidx.appcompat.widget.AppCompatEditText;
import net.micode.notes.R;
import java.util.HashMap;
import java.util.Map;
public class NoteEditText extends EditText {
public class NoteEditText extends AppCompatEditText {
private static final String TAG = "NoteEditText";
private int mIndex;
private int mSelectionStartBeforeDelete;
private static final String SCHEME_TEL = "tel:" ;
private static final String SCHEME_HTTP = "http:" ;
private static final String SCHEME_EMAIL = "mailto:" ;
// 字数显示相关变量
private Paint mPaint;
private String mCharacterCountText = "字符数：0";
private int mTextColor = 0xFF333333; // 深灰色
private float mTextSize = 16f; // sp，字体放大
private int mPadding = 12; // dp，边距调整
private boolean mIsBold = true; // 字体加粗标志
private static final String SCHEME_TEL = "tel:";
private static final String SCHEME_HTTP = "http:";
private static final String SCHEME_EMAIL = "mailto:";
private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
static {
@ -57,29 +74,21 @@ public class NoteEditText extends EditText {
* Call by the {@link NoteEditActivity} to delete or add edit text
*/
public interface OnTextViewChangeListener {
/**
* Delete current edit text when {@link KeyEvent#KEYCODE_DEL} happens
* and the text is null
*/
void onEditTextDelete(int index, String text);
/**
* Add edit text after current edit text when {@link KeyEvent#KEYCODE_ENTER}
* happen
*/
void onEditTextEnter(int index, String text);
/**
* Hide or show item option when text change
*/
void onTextChange(int index, boolean hasText);
}
private OnTextViewChangeListener mOnTextViewChangeListener;
// 用于计算字数
private int mCharacterCount = 0;
public NoteEditText(Context context) {
super(context, null);
mIndex = 0;
initPaint();
initTextWatcher();
}
public void setIndex(int index) {
@ -92,18 +101,60 @@ public class NoteEditText extends EditText {
public NoteEditText(Context context, AttributeSet attrs) {
super(context, attrs, android.R.attr.editTextStyle);
initPaint();
initTextWatcher();
}
public NoteEditText(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
// TODO Auto-generated constructor stub
initPaint();
initTextWatcher();
}
// 初始化画笔用于绘制字数
private void initPaint() {
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setTextSize(sp2px(mTextSize)); // 设置更大的字体大小
mPaint.setColor(mTextColor);
// 设置字体加粗
if (mIsBold) {
// 方法1：使用Typeface设置粗体
mPaint.setTypeface(Typeface.DEFAULT_BOLD);
// 方法2：如果需要使用原始字体但加粗，可以这样设置
// mPaint.setTypeface(Typeface.create(mPaint.getTypeface(), Typeface.BOLD));
// 方法3：使用Fake Bold，注意这与setTypeface是不同的方法
// mPaint.setFakeBoldText(true);
}
}
// 初始化文本变化监听器
private void initTextWatcher() {
this.addTextChangedListener(new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
String processedText = cutOfimage(operateText(s.toString()));
mCharacterCount = processedText.length();
mCharacterCountText = "字符数：" + mCharacterCount;
invalidate(); // 刷新视图以重绘字数
}
@Override
public void afterTextChanged(Editable s) {
}
});
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
int x = (int) event.getX();
int y = (int) event.getY();
x -= getTotalPaddingLeft();
@ -117,7 +168,6 @@ public class NoteEditText extends EditText {
Selection.setSelection(getText(), off);
break;
}
return super.onTouchEvent(event);
}
@ -148,7 +198,7 @@ public class NoteEditText extends EditText {
return true;
}
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
Log.d(TAG, "OnTextViewChangeListener was not set");
}
break;
case KeyEvent.KEYCODE_ENTER:
@ -158,7 +208,7 @@ public class NoteEditText extends EditText {
setText(getText().subSequence(0, selectionStart));
mOnTextViewChangeListener.onEditTextEnter(mIndex + 1, text);
} else {
Log.d(TAG, "OnTextViewChangeListener was not seted");
Log.d(TAG, "OnTextViewChangeListener was not set");
}
break;
default:
@ -214,4 +264,51 @@ public class NoteEditText extends EditText {
}
super.onCreateContextMenu(menu);
}
}
public String operateText(String str) {
Pattern p = Pattern.compile("\\s+"); // 简化正则表达式
Matcher m = p.matcher(str);
return m.replaceAll("");
}
public String cutOfimage(String str) {
String dest = str;
int index1 = dest.indexOf("[local]");
int index2 = dest.indexOf("[/local]");
while (index1 != -1 && index2 != -1) {
dest = dest.substring(0, index1) + dest.substring(index2 + 8);
index1 = dest.indexOf("[local]");
index2 = dest.indexOf("[/local]");
}
return dest;
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
}
// 重写onDraw方法，在右下角绘制字数
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// 计算绘制位置：右下角，调整边距
float x = getWidth() - mPaint.measureText(mCharacterCountText) - dp2px(mPadding);
float y = getHeight() - dp2px(mPadding);
canvas.drawText(mCharacterCountText, x, y, mPaint);
}
// dp转px工具方法
private int dp2px(float dpValue) {
float scale = getContext().getResources().getDisplayMetrics().density;
return (int) (dpValue * scale + 0.5f);
}
// sp转px工具方法
private int sp2px(float spValue) {
float fontScale = getContext().getResources().getDisplayMetrics().scaledDensity;
return (int) (spValue * fontScale + 0.5f);
}
}
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