interactive_curve_view_controller.cpp
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#include "interactive_curve_view_controller.h"
#include "text_field_delegate_app.h"
#include <cmath>
#include <assert.h>
using namespace Poincare;
namespace Shared {
InteractiveCurveViewController::InteractiveCurveViewController(Responder * parentResponder, ButtonRowController * header, InteractiveCurveViewRange * interactiveRange, CurveView * curveView, CurveViewCursor * cursor, uint32_t * modelVersion, uint32_t * rangeVersion) :
SimpleInteractiveCurveViewController(parentResponder, interactiveRange, curveView, cursor),
ButtonRowDelegate(header, nullptr),
m_modelVersion(modelVersion),
m_rangeVersion(rangeVersion),
m_rangeParameterController(this, interactiveRange),
m_zoomParameterController(this, interactiveRange, curveView),
m_rangeButton(this, I18n::Message::Axis, Invocation([](void * context, void * sender) {
InteractiveCurveViewController * graphController = (InteractiveCurveViewController *) context;
StackViewController * stack = graphController->stackController();
stack->push(graphController->rangeParameterController());
}, this), KDText::FontSize::Small),
m_zoomButton(this, I18n::Message::Zoom, Invocation([](void * context, void * sender) {
InteractiveCurveViewController * graphController = (InteractiveCurveViewController *) context;
StackViewController * stack = graphController->stackController();
stack->push(graphController->zoomParameterController());
}, this), KDText::FontSize::Small),
m_defaultInitialisationButton(this, I18n::Message::Initialization, Invocation([](void * context, void * sender) {
InteractiveCurveViewController * graphController = (InteractiveCurveViewController *) context;
StackViewController * stack = graphController->stackController();
stack->push(graphController->initialisationParameterController());
}, this), KDText::FontSize::Small)
{
}
float InteractiveCurveViewController::addMargin(float x, float range, bool isMin) {
float ratio = isMin ? -displayBottomMarginRatio() : displayTopMarginRatio();
return x+ratio*range;
}
const char * InteractiveCurveViewController::title() {
return I18n::translate(I18n::Message::GraphTab);
}
bool InteractiveCurveViewController::handleEvent(Ion::Events::Event event) {
if (!curveView()->isMainViewSelected()) {
if (event == Ion::Events::Down) {
header()->setSelectedButton(-1);
curveView()->selectMainView(true);
app()->setFirstResponder(this);
reloadBannerView();
curveView()->reload();
return true;
}
if (event == Ion::Events::Up) {
header()->setSelectedButton(-1);
app()->setFirstResponder(tabController());
return true;
}
return false;
}
if (SimpleInteractiveCurveViewController::handleEvent(event)) {
return true;
}
if (event == Ion::Events::Down || event == Ion::Events::Up) {
int direction = event == Ion::Events::Down ? -1 : 1;
if (moveCursorVertically(direction)) {
reloadBannerView();
curveView()->reload();
return true;
}
if (event == Ion::Events::Down) {
return false;
}
curveView()->selectMainView(false);
header()->setSelectedButton(0);
return true;
}
return false;
}
void InteractiveCurveViewController::didBecomeFirstResponder() {
if (!curveView()->isMainViewSelected()) {
header()->setSelectedButton(0);
}
}
ViewController * InteractiveCurveViewController::rangeParameterController() {
return &m_rangeParameterController;
}
ViewController * InteractiveCurveViewController::zoomParameterController() {
return &m_zoomParameterController;
}
int InteractiveCurveViewController::numberOfButtons(ButtonRowController::Position) const {
if (isEmpty()) {
return 0;
}
return 3;
}
Button * InteractiveCurveViewController::buttonAtIndex(int index, ButtonRowController::Position position) const {
const Button * buttons[3] = {&m_rangeButton, &m_zoomButton, &m_defaultInitialisationButton};
return (Button *)buttons[index];
}
Responder * InteractiveCurveViewController::defaultController() {
return tabController();
}
void InteractiveCurveViewController::viewWillAppear() {
uint32_t newModelVersion = modelVersion();
if (*m_modelVersion != newModelVersion) {
*m_modelVersion = newModelVersion;
initRangeParameters();
/* Warning: init cursor parameter before reloading banner view. Indeed,
* reloading banner view needs an updated cursor to load the right data. */
initCursorParameters();
}
uint32_t newRangeVersion = rangeVersion();
if (*m_rangeVersion != newRangeVersion) {
*m_rangeVersion = newRangeVersion;
if (!isCursorVisible()) {
initCursorParameters();
}
}
curveView()->setOkView(&m_okView);
if (!curveView()->isMainViewSelected()) {
curveView()->selectMainView(true);
header()->setSelectedButton(-1);
}
reloadBannerView();
curveView()->reload();
}
void InteractiveCurveViewController::viewDidDisappear() {
*m_rangeVersion = rangeVersion();
}
void InteractiveCurveViewController::didEnterResponderChain(Responder * previousFirstResponder) {
reloadBannerView();
curveView()->reload();
}
void InteractiveCurveViewController::willExitResponderChain(Responder * nextFirstResponder) {
if (nextFirstResponder == nullptr || nextFirstResponder == tabController()) {
curveView()->selectMainView(false);
header()->setSelectedButton(-1);
curveView()->reload();
}
}
Responder * InteractiveCurveViewController::tabController() const{
return (stackController()->parentResponder());
}
StackViewController * InteractiveCurveViewController::stackController() const{
return (StackViewController *)(parentResponder()->parentResponder()->parentResponder());
}
}