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#include "cru/ui/components/Input.h"
#include <cmath>
#include <optional>
#include "cru/base/StringToNumberConverter.h"
#include "cru/ui/controls/Control.h"
namespace cru::ui::components {
Input::Input() : last_validate_result_{true, u"Good value"} {
text_box_.TextChangeEvent()->AddSpyOnlyHandler([this] {
auto text = text_box_.GetText();
auto validate_result = Validate();
this->change_event_.Raise({std::move(text), validate_result.valid,
std::move(validate_result.message)});
});
}
Input::~Input() {}
controls::Control* Input::GetRootControl() { return &text_box_; }
String Input::GetText() const { return text_box_.GetText(); }
void Input::SetText(String text) { text_box_.SetText(std::move(text)); }
IInputValidator* Input::GetValidator() const { return validator_; }
void Input::SetValidator(IInputValidator* validator) {
validator_ = validator;
Validate();
}
InputValidateResult Input::Validate() {
if (validator_)
last_validate_result_ = validator_->Validate(text_box_.GetTextView());
else
last_validate_result_ = {true, u"Good value"};
return last_validate_result_;
}
InputValidateResult Input::GetLastValidateResult() const {
return last_validate_result_;
}
InputValidateResult FloatInputValidator::Validate(StringView text) const {
auto result =
text.ParseToFloat(nullptr, StringToNumberFlags::kAllowLeadingSpaces &
StringToNumberFlags::kAllowTrailingSpaces);
if (std::isnan(result)) {
return InputValidateResult{false, u"Invalid number."};
}
if (min && result < *min) {
return InputValidateResult{false, u"Value is less than minimum."};
}
if (max && result > *max) {
return InputValidateResult{false, u"Value is greater than maximum."};
}
return InputValidateResult{true, u"Good number"};
}
FloatInput::FloatInput() {
SetValidator(&validator_);
ChangeEvent()->AddHandler([this](const InputChangeEventArgs& args) {
if (args.valid) {
value_ = args.text.ParseToFloat(
nullptr, StringToNumberFlags::kAllowLeadingSpaces &
StringToNumberFlags::kAllowTrailingSpaces);
}
});
}
FloatInput::~FloatInput() {}
float FloatInput::GetValue() const { return value_; }
void FloatInput::SetValue(float value) { SetText(ToString(value)); }
std::optional<float> FloatInput::GetMin() const { return validator_.min; }
void FloatInput::SetMin(std::optional<float> min) {
validator_.min = std::move(min);
Validate();
}
std::optional<float> FloatInput::GetMax() const { return validator_.max; }
void FloatInput::SetMax(std::optional<float> max) {
validator_.max = std::move(max);
Validate();
}
} // namespace cru::ui::components
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