/** @param str If null, "" is used. */
public void setText(String str) {
if (str == null) str = "";
if (str.equals(text)) return;
clearSelection();
String oldText = text;
text = "";
paste(str, false);
if (programmaticChangeEvents) changeText(oldText, text);
cursor = 0;
}
int delete(boolean fireChangeEvent) {
int from = selectionStart;
int to = cursor;
int minIndex = Math.min(from, to);
int maxIndex = Math.max(from, to);
String newText =
(minIndex > 0 ? text.substring(0, minIndex) : "")
+ (maxIndex < text.length() ? text.substring(maxIndex, text.length()) : "");
if (fireChangeEvent) changeText(text, newText);
else text = newText;
clearSelection();
return minIndex;
}
void paste(String content, boolean fireChangeEvent) {
if (content == null) return;
StringBuilder buffer = new StringBuilder();
int textLength = text.length();
if (hasSelection) textLength -= Math.abs(cursor - selectionStart);
BitmapFontData data = style.font.getData();
for (int i = 0, n = content.length(); i < n; i++) {
if (!withinMaxLength(textLength + buffer.length())) break;
char c = content.charAt(i);
if (!(writeEnters && (c == ENTER_ANDROID || c == ENTER_DESKTOP))) {
if (c == '\r' || c == '\n') continue;
if (onlyFontChars && !data.hasGlyph(c)) continue;
if (filter != null && !filter.acceptChar(this, c)) continue;
}
buffer.append(c);
}
content = buffer.toString();
if (hasSelection) cursor = delete(fireChangeEvent);
if (fireChangeEvent) changeText(text, insert(cursor, content, text));
else text = insert(cursor, content, text);
updateDisplayText();
cursor += content.length();
}