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package de.pixart.messenger.ui.widget;
import android.annotation.SuppressLint;
import android.content.ClipData;
import android.content.ClipboardManager;
import android.content.Context;
import android.support.v7.widget.AppCompatTextView;
import android.util.AttributeSet;
@SuppressLint("AppCompatCustomView")
public class CopyTextView extends AppCompatTextView {
public CopyTextView(Context context) {
super(context);
}
public CopyTextView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public CopyTextView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
}
public interface CopyHandler {
String transformTextForCopy(CharSequence text, int start, int end);
}
private CopyHandler copyHandler;
public void setCopyHandler(CopyHandler copyHandler) {
this.copyHandler = copyHandler;
}
@Override
public boolean onTextContextMenuItem(int id) {
final CharSequence text = getText();
int min = 0;
int max = text.length();
if (isFocused()) {
final int selStart = getSelectionStart();
final int selEnd = getSelectionEnd();
min = Math.max(0, Math.min(selStart, selEnd));
max = Math.max(0, Math.max(selStart, selEnd));
}
String textForCopy = null;
if (id == android.R.id.copy && copyHandler != null) {
textForCopy = copyHandler.transformTextForCopy(getText(), min, max);
}
try {
return super.onTextContextMenuItem(id);
} finally {
if (textForCopy != null) {
ClipboardManager clipboard = (ClipboardManager) getContext().
getSystemService(Context.CLIPBOARD_SERVICE);
clipboard.setPrimaryClip(ClipData.newPlainText(null, textForCopy));
}
}
}
}
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