66 lines
1.8 KiB
Java
66 lines
1.8 KiB
Java
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package eu.siacs.conversations.ui.widget;
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import android.annotation.TargetApi;
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import android.content.ClipData;
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import android.content.ClipboardManager;
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import android.content.Context;
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import android.os.Build;
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import android.util.AttributeSet;
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import android.widget.TextView;
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public class CopyTextView extends TextView {
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public CopyTextView(Context context) {
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super(context);
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}
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public CopyTextView(Context context, AttributeSet attrs) {
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super(context, attrs);
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}
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public CopyTextView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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}
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@SuppressWarnings("unused")
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@TargetApi(Build.VERSION_CODES.LOLLIPOP)
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public CopyTextView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
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super(context, attrs, defStyleAttr, defStyleRes);
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}
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public interface CopyHandler {
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public String transformTextForCopy(CharSequence text, int start, int end);
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}
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private CopyHandler copyHandler;
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public void setCopyHandler(CopyHandler copyHandler) {
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this.copyHandler = copyHandler;
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}
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@Override
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public boolean onTextContextMenuItem(int id) {
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CharSequence text = getText();
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int min = 0;
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int max = text.length();
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if (isFocused()) {
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final int selStart = getSelectionStart();
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final int selEnd = getSelectionEnd();
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min = Math.max(0, Math.min(selStart, selEnd));
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max = Math.max(0, Math.max(selStart, selEnd));
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}
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String textForCopy = null;
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if (id == android.R.id.copy && copyHandler != null) {
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textForCopy = copyHandler.transformTextForCopy(getText(), min, max);
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}
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try {
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return super.onTextContextMenuItem(id);
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} finally {
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if (textForCopy != null) {
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ClipboardManager clipboard = (ClipboardManager) getContext().
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getSystemService(Context.CLIPBOARD_SERVICE);
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clipboard.setPrimaryClip(ClipData.newPlainText(null, textForCopy));
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}
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}
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}
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}
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