public void addLine(String line) {
StringBuilder bob = new StringBuilder();
for (int i = 0; i < line.length(); i++) {
char c = line.charAt(i);
if (c == '\n' && style == Style.MULTI_LINE) {
String string = bob.toString();
int lineWidth = CJKUtils.getTrueWidth(string);
lines.add(string);
if (longestRow < lineWidth + 1) {
longestRow = lineWidth + 1;
}
addLine(line.substring(i + 1));
return;
} else if (Character.isISOControl(c)) {
continue;
}
bob.append(c);
}
String string = bob.toString();
if (!validated(string)) {
throw new IllegalStateException(
"TextBox validation pattern " + validationPattern + " does not match the supplied text");
}
int lineWidth = CJKUtils.getTrueWidth(string);
lines.add(string);
if (longestRow < lineWidth + 1) {
longestRow = lineWidth + 1;
}
}
@Override
public TextGraphics putString(int column, int row, String string) {
if (string.contains("\n")) {
string = string.substring(0, string.indexOf("\n"));
}
if (string.contains("\r")) {
string = string.substring(0, string.indexOf("\r"));
}
string = tabBehaviour.replaceTabs(string, column);
int offset = 0;
for (int i = 0; i < string.length(); i++) {
char character = string.charAt(i);
setCharacter(
column + offset,
row,
new TextCharacter(character, foregroundColor, backgroundColor, activeModifiers.clone()));
if (CJKUtils.isCharCJK(character)) {
// CJK characters are twice the normal characters in width, so next character position is
// two columns forward
offset += 2;
} else {
// For "normal" characters we advance to the next column
offset += 1;
}
}
return this;
}
@Override
public TerminalSize getPreferredSize(final ComboBox<V> comboBox) {
TerminalSize size =
TerminalSize.ONE.withColumns(
(comboBox.getItemCount() == 0 ? CJKUtils.getColumnWidth(comboBox.getText()) : 0) + 2);
synchronized (comboBox) {
for (int i = 0; i < comboBox.getItemCount(); i++) {
V item = comboBox.getItem(i);
size =
size.max(
new TerminalSize(
CJKUtils.getColumnWidth(item.toString()) + 2 + 1,
1)); // +1 to add a single column of space
}
}
return size;
}
public TextBox setMask(Character mask) {
if (mask != null && CJKUtils.isCharCJK(mask)) {
throw new IllegalArgumentException("Cannot use a CJK character as a mask");
}
this.mask = mask;
invalidate();
return this;
}
@Override
public TerminalPosition getCursorLocation(ComboBox<V> comboBox) {
if (comboBox.isDropDownFocused()) {
return new TerminalPosition(comboBox.getSize().getColumns() - 1, 0);
} else {
int textInputPosition = comboBox.getTextInputPosition();
int textInputColumn =
CJKUtils.getColumnWidth(comboBox.getText().substring(0, textInputPosition));
return new TerminalPosition(textInputColumn - textVisibleLeftPosition, 0);
}
}
@Override
public void drawComponent(TextGUIGraphics graphics) {
TerminalSize area = graphics.getSize();
String absolutePath = directory.getAbsolutePath();
int absolutePathLengthInColumns = CJKUtils.getColumnWidth(absolutePath);
if (area.getColumns() < absolutePathLengthInColumns) {
absolutePath = absolutePath.substring(absolutePathLengthInColumns - area.getColumns());
absolutePath = "..." + absolutePath.substring(Math.min(absolutePathLengthInColumns, 3));
}
setText(absolutePath);
super.drawComponent(graphics);
}
@Override
public void drawComponent(TextGUIGraphics graphics, ComboBox<V> comboBox) {
graphics.setForegroundColor(TextColor.ANSI.WHITE);
graphics.setBackgroundColor(TextColor.ANSI.BLUE);
if (comboBox.isFocused()) {
graphics.setForegroundColor(TextColor.ANSI.YELLOW);
graphics.enableModifiers(SGR.BOLD);
}
graphics.fill(' ');
int editableArea =
graphics.getSize().getColumns() - 2; // This is exclusing the 'drop-down arrow'
int textInputPosition = comboBox.getTextInputPosition();
int columnsToInputPosition =
CJKUtils.getColumnWidth(comboBox.getText().substring(0, textInputPosition));
if (columnsToInputPosition < textVisibleLeftPosition) {
textVisibleLeftPosition = columnsToInputPosition;
}
if (columnsToInputPosition - textVisibleLeftPosition >= editableArea) {
textVisibleLeftPosition = columnsToInputPosition - editableArea + 1;
}
if (columnsToInputPosition - textVisibleLeftPosition + 1 == editableArea
&& comboBox.getText().length() > textInputPosition
&& CJKUtils.isCharCJK(comboBox.getText().charAt(textInputPosition))) {
textVisibleLeftPosition++;
}
String textToDraw =
CJKUtils.fitString(comboBox.getText(), textVisibleLeftPosition, editableArea);
graphics.putString(0, 0, textToDraw);
if (comboBox.isFocused()) {
graphics.disableModifiers(SGR.BOLD);
}
graphics.setForegroundColor(TextColor.ANSI.BLACK);
graphics.setBackgroundColor(TextColor.ANSI.WHITE);
graphics.putString(editableArea, 0, "|" + Symbols.ARROW_DOWN);
}