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package dev.isxander.yacl3.gui.controllers.dropdown;
import dev.isxander.yacl3.api.Option;
import dev.isxander.yacl3.gui.controllers.string.IStringController;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
public abstract class AbstractDropdownController<T> implements IStringController<T> {
protected final Option<T> option;
private final List<String> allowedValues;
public final boolean allowEmptyValue;
public final boolean allowAnyValue;
/**
* Constructs a dropdown controller
*
* @param option bound option
* @param allowedValues possible values
*/
protected AbstractDropdownController(Option<T> option, List<String> allowedValues, boolean allowEmptyValue, boolean allowAnyValue) {
this.option = option;
this.allowedValues = allowedValues;
this.allowEmptyValue = allowEmptyValue;
this.allowAnyValue = allowAnyValue;
}
protected AbstractDropdownController(Option<T> option, List<String> allowedValues) {
this(option, allowedValues, false, false);
}
protected AbstractDropdownController(Option<T> option) {
this(option, Collections.emptyList());
}
/**
* {@inheritDoc}
*/
@Override
public Option<T> option() {
return option;
}
public List<String> getAllowedValues() {
return getAllowedValues("");
}
public List<String> getAllowedValues(String inputField) {
List<String> values = new ArrayList<>(allowedValues);
if (allowEmptyValue && !values.contains("")) values.add("");
if (allowAnyValue && !inputField.isBlank() && !allowedValues.contains(inputField)) {
values.add(inputField);
}
String currentValue = getString();
if (allowAnyValue && !allowedValues.contains(currentValue)) {
values.add(currentValue);
}
return values;
}
public boolean isValueValid(String value) {
if (value.isBlank()) return allowEmptyValue;
return allowAnyValue || getAllowedValues().contains(value);
}
protected String getValidValue(String value) {
return getValidValue(value, 0);
}
protected String getValidValue(String value, int offset) {
if (offset == -1) return getString();
String valueLowerCase = value.toLowerCase();
return getAllowedValues(value).stream()
.filter(val -> val.toLowerCase().contains(valueLowerCase))
.sorted((s1, s2) -> {
String s1LowerCase = s1.toLowerCase();
String s2LowerCase = s2.toLowerCase();
if (s1LowerCase.startsWith(valueLowerCase) && !s2LowerCase.startsWith(valueLowerCase)) return -1;
if (!s1LowerCase.startsWith(valueLowerCase) && s2LowerCase.startsWith(valueLowerCase)) return 1;
return s1.compareTo(s2);
})
.skip(offset)
.findFirst()
.orElseGet(this::getString);
}
}
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