Java Code Examples for android.widget.EditText#getSelectionStart()

public static void addQuote(@NonNull EditText editText) {
    String source = editText.getText().toString();
    int selectionStart = editText.getSelectionStart();
    int selectionEnd = editText.getSelectionEnd();
    String substring = source.substring(selectionStart, selectionEnd);
    String result;
    if (hasNewLine(source, selectionStart)) {
        result = "> " + substring;
    } else {
        result = "\n> " + substring;

    }
    editText.getText().replace(selectionStart, selectionEnd, result);
    editText.setSelection(result.length() + selectionStart);

}
 

/**
 * " Search back from the cursor position till meeting '{' or ';'.
 * " '{' means statement start, ';' means end of a previous statement.
 *
 * @return statement before cursor
 * " Note: It's the base for parsing. And It's OK for most cases.
 */
@NonNull
private String getStatement(EditText editor) {
    String lineBeforeCursor = getCurrentLine(editor);
    if (lineBeforeCursor.matches("^\\s*(import|package)\\s+")) {
        return lineBeforeCursor;
    }
    int oldCursor = editor.getSelectionStart();
    int newCursor = oldCursor;
    while (true) {
        if (newCursor == 0) break;
        char c = editor.getText().charAt(newCursor);
        if (c == '{' || c == '}' || c == ';') {
            newCursor++;
            break;
        }
        newCursor--;
    }
    String statement = editor.getText().subSequence(newCursor, oldCursor).toString();
    return mergeLine(statement);
}
 

@Override
public void sendText(@NotNull String txt) {
    if (isEmpty(txt)) return;
    View view = getWindow().getDecorView().findFocus();
    if (view instanceof EditText) {
        EditText editText = (EditText) view;
        int start = editText.getSelectionStart();
        int end = editText.getSelectionEnd();
        Editable edit = editText.getEditableText();//获取EditText的文字
        if (start < 0 || start >= edit.length()) {
            edit.append(txt);
        } else {
            edit.replace(start, end, txt);//光标所在位置插入文字
        }
    }
}
 

private void onBackPress(EditText editText) {
    int selection = editText.getSelectionStart();
    if (selection == 0) {
        int viewIndex = allLayout.indexOfChild(editText);
        View v = allLayout.getChildAt(viewIndex - 1);

        if (v != null) {
            if (v instanceof EditText) {
                if ((int) v.getTag() != 1) {
                    String s1 = editText.getText().toString();
                    EditText q = (EditText) v;
                    String s2 = q.getText().toString();
                    allLayout.removeView(editText);
                    q.setText(s1 + s2);
                    q.requestFocus();
                    q.setSelection(s2.length(), s2.length());
                    lastEditText = q;
                }
            } else if (v instanceof ImageView) {
                allLayout.removeView(v);
            }

        }
    }

}
 

@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
		long id) {
	BaseAdapter adapter = (BaseAdapter)parent.getAdapter();
	String emotion = (String)adapter.getItem(position);
       if (StringUtil.isEmpty(emotion)) {
       	return;
       }
       
	EditText etText = (EditText)((Activity)context).findViewById(R.id.etText);
	int currentPos = 0;
	if (etText != null) {
		currentPos = etText.getSelectionStart();
		etText.getText().insert(currentPos, emotion);
	}

}
 

@OnClick(R.id.backspace)
    void backspace() {
        if (mFocusGrabber.isFocused()) {
            mEditFieldsLayout.focusSearch(mFocusGrabber, View.FOCUS_LEFT).requestFocus();
        }
        EditText field = getFocusedField();
        if (field == null)
            return;
        int at = field.getSelectionStart();
        if (at == 0) {
            // At the beginning of current field, so move focus
            // to the preceding field
            View prev = field.focusSearch(View.FOCUS_LEFT);
            if (null == prev) {
                // Reached the beginning of the hours field
                return;
            }
            if (prev.requestFocus()) {
                if (prev instanceof EditText) {
                    // Always move the cursor to the end when moving focus back
                    ((EditText) prev).setSelection(FIELD_LENGTH);
                }
                // Recursively backspace on the newly focused field
                backspace();
            }
        } else {
            field.getText().replace(at - 1, at, "0");
            field.setSelection(at - 1);
//            updateStartButtonVisibility();
        }
    }
 

/**
 * 修改加粗斜体样式
 */
public void boldItalic(EditText lastFocusEdit) {
    Editable editable = lastFocusEdit.getEditableText();
    int start = lastFocusEdit.getSelectionStart();
    int end = lastFocusEdit.getSelectionEnd();
    HyperLogUtils.i("boldItalic select  Start:" + start + "   end:  " + end);
    if (checkNormalStyle(start, end)) {
        return;
    }
    new BoldItalicStyle().applyStyle(editable, start, end);
}
 

public static EmoticonClickListener getCommonEmoticonClickListener(final EditText editText) {
    return new EmoticonClickListener() {
        @Override
        public void onEmoticonClick(Object o, int actionType, boolean isDelBtn) {
            if (isDelBtn) {
                SimpleCommonUtils.delClick(editText);
            } else {
                if (o == null) {
                    return;
                }
                if (actionType == Constants.EMOTICON_CLICK_TEXT) {
                    String content = null;
                    if (o instanceof EmojiBean) {
                        content = ((EmojiBean) o).emoji;
                    } else if (o instanceof EmoticonEntity) {
                        content = ((EmoticonEntity) o).getContent();
                    }

                    if (TextUtils.isEmpty(content)) {
                        return;
                    }
                    int index = editText.getSelectionStart();
                    Editable editable = editText.getText();
                    editable.insert(index, content);
                }
            }
        }
    };
}
 

/**
 * 修改加粗样式
 */
public void bold(EditText lastFocusEdit) {
    //获取editable对象
    Editable editable = lastFocusEdit.getEditableText();
    //获取当前选中的起始位置
    int start = lastFocusEdit.getSelectionStart();
    //获取当前选中的末尾位置
    int end = lastFocusEdit.getSelectionEnd();
    HyperLogUtils.i("bold select  Start:" + start + "   end:  " + end);
    if (checkNormalStyle(start, end)) {
        return;
    }
    new BoldStyle().applyStyle(editable, start, end);
}
 

public static void addHeader(@NonNull EditText editText, int level) {
    String source = editText.getText().toString();
    int selectionStart = editText.getSelectionStart();
    int selectionEnd = editText.getSelectionEnd();
    StringBuilder result = new StringBuilder();
    String substring = source.substring(selectionStart, selectionEnd);
    if (!hasNewLine(source, selectionStart))
        result.append("\n");
    IntStream.range(0, level).forEach(integer -> result.append("#"));
    result.append(" ").append(substring);
    editText.getText().replace(selectionStart, selectionEnd, result.toString());
    editText.setSelection(selectionStart + result.length());

}
 

public EditTextSelectionState(@NonNull EditText editText) {
    mEditText = editText;
    mFocused = editText.hasFocus();
    int selectionStart = editText.getSelectionStart();
    int selectionEnd = editText.getSelectionEnd();
    if (selectionStart > selectionEnd && selectionStart != -1 && selectionEnd != -1) {
        mSelectionStart = selectionEnd;
        mSelectionEnd = selectionStart;
    } else {
        mSelectionStart = selectionStart;
        mSelectionEnd = selectionEnd;
    }
}
 

private void markdownCode() {
    final EditText et = mContentET;
    Editable editable = et.getText();
    int start = et.getSelectionStart();
    if (et.hasSelection()) {
        int end = et.getSelectionEnd();
        editable.insert(end, CODE);
        editable.insert(start, CODE);
        et.setSelection(start + 1, end + 1);
    } else {
        editable.insert(start, CODE2);
        et.setSelection(start + 1);
    }
}
 

private void quotePost(String raw) {

        final EditText et = mContentET;
        Editable editable = et.getText();
        int start = et.getSelectionStart();
        editable.insert(start, String.format(QUOTE_POST, mUsername, mPostNum, mTopic.id, mPostRaw));
    }
 

/**
 * 修改删除线样式
 */
public void strikeThrough(EditText lastFocusEdit) {
    Editable editable = lastFocusEdit.getEditableText();
    int start = lastFocusEdit.getSelectionStart();
    int end = lastFocusEdit.getSelectionEnd();
    HyperLogUtils.i("strikeThrough select  Start:" + start + "   end:  " + end);
    if (checkNormalStyle(start, end)) {
        return;
    }
    new StrikeThroughStyle().applyStyle(editable, start, end);
}
 

@Override
public void onFaceItemClick(FacePanelView view, String face, int faceId) {
    View focusView = getCurrentFocus();
    if (focusView != null && focusView instanceof EditText) {
        EditText editText = (EditText) focusView;
        int index = editText.getSelectionStart();
        if (FacePanelView.KEY_DELETE.equals(face)) {
            //发送删除事件
            if (index > 0) {
                editText.dispatchKeyEvent(new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL));
            }
        } else {
            face = "{:" + face + ":}";
            int size = SizeUtils.dp2px(20);
            Drawable drawable = getResources().getDrawable(faceId);
            drawable.setBounds(0, 0, size, size);
            ImageSpan imageSpan = new ImageSpan(drawable, ALIGN_BOTTOM);
            SpannableString spannableString = new SpannableString(face);
            spannableString.setSpan(imageSpan, 0, face.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
            if (index < 0 || index >= editText.getText().length()) {
                editText.getEditableText().append(spannableString);
            } else {
                editText.getEditableText().insert(index, spannableString);
            }

            editText.setSelection(index + face.length());
        }
    }
}
 

public final void formatSelectedText(EditText commentView, int what) {
	int start = commentView.getSelectionStart();
	int end = commentView.getSelectionEnd();
	if (start == -1 || end == -1) {
		return;
	}
	FormatResult result = formatSelectedText(commentView.getText(), what, start, end);
	if (result != null) {
		commentView.setSelection(result.start, result.end);
	}
}
 

private void setPwdState(ImageView imageView,
                         EditText editText,
                         boolean isHidePwd) {
    int start = editText.getSelectionStart();

    if (isHidePwd) {
        imageView.setImageDrawable(hidePwdDrawable);
        editText.setTransformationMethod(PasswordTransformationMethod.getInstance());
    } else {
        imageView.setImageDrawable(showPwdDrawable);
        editText.setTransformationMethod(HideReturnsTransformationMethod.getInstance());
    }

    editText.setSelection(start);
}
 

/**
 * 修改斜体样式
 */
public void italic(EditText lastFocusEdit) {
    Editable editable = lastFocusEdit.getEditableText();
    int start = lastFocusEdit.getSelectionStart();
    int end = lastFocusEdit.getSelectionEnd();
    HyperLogUtils.i("italic select  Start:" + start + "   end:  " + end);
    if (checkNormalStyle(start, end)) {
        return;
    }
    new ItalicStyle().applyStyle(editable, start, end);
}
 

public Selection(EditText editor) {
    this(editor.getSelectionStart(), editor.getSelectionEnd());
}
 

private int getEditTextCursorIndex(EditText mEditText) {
    return mEditText.getSelectionStart();
}