GUISelectorHController.cpp

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#include <tdme/gui/elements/GUISelectorHController.h>
 
#include <memory>
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/gui/elements/GUISelectorHOptionController.h>
#include <tdme/gui/events/GUIActionListener.h>
#include <tdme/gui/events/GUIKeyboardEvent.h>
#include <tdme/gui/events/GUIMouseEvent.h>
#include <tdme/gui/nodes/GUIElementController.h>
#include <tdme/gui/nodes/GUIElementNode.h>
#include <tdme/gui/nodes/GUINode.h>
#include <tdme/gui/nodes/GUINodeConditions.h>
#include <tdme/gui/nodes/GUIParentNode.h>
#include <tdme/gui/nodes/GUIScreenNode.h>
#include <tdme/gui/nodes/GUITextNode.h>
#include <tdme/gui/GUI.h>
#include <tdme/utilities/MutableString.h>
#include <tdme/utilities/StringTools.h>
 
using std::make_unique;
using std::string;
using std::to_string;
using std::unique_ptr;
 
using tdme::gui::elements::GUISelectorHController;
using tdme::gui::elements::GUISelectorHOptionController;
using tdme::gui::events::GUIActionListener;
using tdme::gui::events::GUIActionListenerType;
using tdme::gui::events::GUIKeyboardEvent;
using tdme::gui::events::GUIMouseEvent;
using tdme::gui::nodes::GUIElementController;
using tdme::gui::nodes::GUIElementNode;
using tdme::gui::nodes::GUINode;
using tdme::gui::nodes::GUINodeConditions;
using tdme::gui::nodes::GUIParentNode;
using tdme::gui::nodes::GUIScreenNode;
using tdme::gui::nodes::GUITextNode;
using tdme::gui::GUI;
using tdme::utilities::MutableString;
using tdme::utilities::StringTools;
 
string GUISelectorHController::CONDITION_DISABLED = "disabled";
string GUISelectorHController::CONDITION_ENABLED = "enabled";
 
GUISelectorHController::GUISelectorHController(GUINode* node)
    : GUIElementController(node)
{
    this->disabled = required_dynamic_cast<GUIElementNode*>(node)->isDisabled();
}
 
bool GUISelectorHController::isDisabled()
{
    return disabled;
}
 
void GUISelectorHController::setDisabled(bool disabled)
{
    auto& nodeConditions = required_dynamic_cast<GUIElementNode*>(node)->getActiveConditions();
    nodeConditions.remove(this->disabled == true?CONDITION_DISABLED:CONDITION_ENABLED);
    this->disabled = disabled;
    nodeConditions.add(this->disabled == true?CONDITION_DISABLED:CONDITION_ENABLED);
}
 
void GUISelectorHController::initialize()
{
    //
    GUIElementController::initialize();
 
    //
    determineSelectorHOptionControllers();
 
    //
    innerNode  = required_dynamic_cast<GUIParentNode*>(node->getScreenNode()->getInnerNodeById(node->getId()));
 
    //
    class GUISelectorHControllerActionListener: public virtual GUIActionListener
    {
    public:
        void onAction(GUIActionListenerType type, GUIElementNode* node) override {
            if (type != GUIActionListenerType::PERFORMED) return;
            if (node == leftArrowNode) {
                selectorHController->selectPrevious();
            } else
            if (node == rightArrowNode) {
                selectorHController->selectNext();
            }
        }
 
        /**
         * Public constructor
         * @param selectorHController selector horizontal Controller
         * @param leftArrowNode left arrow node
         * @param rightArrowNode right arrow node
         */
        GUISelectorHControllerActionListener(GUISelectorHController* selectorHController, GUIElementNode* leftArrowNode, GUIElementNode* rightArrowNode)
            : selectorHController(selectorHController)
            , leftArrowNode(leftArrowNode)
            , rightArrowNode(rightArrowNode) {
        }
 
    private:
        GUISelectorHController* selectorHController;
        GUIElementNode* leftArrowNode;
        GUIElementNode* rightArrowNode;
    };
 
    //
    auto const leftArrowNode = dynamic_cast<GUIElementNode*>(node->getScreenNode()->getNodeById(node->getId() + "_left"));
    auto const rightArrowNode = dynamic_cast<GUIElementNode*>(node->getScreenNode()->getNodeById(node->getId() + "_right"));
    node->getScreenNode()->addActionListener((actionListener = make_unique<GUISelectorHControllerActionListener>(this, leftArrowNode, rightArrowNode)).get());
}
 
void GUISelectorHController::dispose()
{
    //
    GUIElementController::dispose();
 
    //
    if (actionListener != nullptr) {
        node->getScreenNode()->removeActionListener(actionListener.get());
        actionListener = nullptr;
    }
}
 
void GUISelectorHController::postLayout()
{
}
 
void GUISelectorHController::unselect()
{
    if (selectedHOptionControllerIdx == -1) return;
    selectorHOptionControllers[selectedHOptionControllerIdx]->unselect();
}
 
void GUISelectorHController::select(int idx) {
    unselect();
    selectedHOptionControllerIdx = idx;
    if (selectedHOptionControllerIdx == -1) return;
    selectorHOptionControllers[selectedHOptionControllerIdx]->select();
}
 
void GUISelectorHController::select(GUIElementNode* selectedSelectorHOptionElementNode) {
    unselect();
    auto selectedSelectorHOptionElementController = selectedSelectorHOptionElementNode->getController();
    auto i = 0;
    for (auto selectorHOptionController: selectorHOptionControllers) {
        if (selectorHOptionController == selectedSelectorHOptionElementController) {
            select(i);
            break;
        }
        i++;
    }
}
 
void GUISelectorHController::determineSelectorHOptionControllers()
{
    vector<GUINode*> childControllerNodes;
    selectorHOptionControllers.clear();
    required_dynamic_cast<GUIParentNode*>(node)->getChildControllerNodes(childControllerNodes);
    for (auto i = 0; i < childControllerNodes.size(); i++) {
        auto childControllerNode = childControllerNodes[i];
        auto childController = dynamic_cast<GUISelectorHOptionController*>(childControllerNode->getController());
        if (childController != nullptr) selectorHOptionControllers.push_back(childController);
    }
}
 
void GUISelectorHController::selectNext()
{
    unselect();
    if (selectorHOptionControllers.size() == 0)
        return;
 
    auto disabledCount = 0;
    while (disabledCount < selectorHOptionControllers.size()) {
        selectedHOptionControllerIdx = (selectedHOptionControllerIdx + 1) % selectorHOptionControllers.size();
        if (selectorHOptionControllers[selectedHOptionControllerIdx]->isDisabled() == false &&
            selectorHOptionControllers[selectedHOptionControllerIdx]->isHidden() == false) break;
        disabledCount++;
    }
    if (disabledCount == selectorHOptionControllers.size()) {
        selectedHOptionControllerIdx = -1;
        return;
    }
 
    selectorHOptionControllers[selectedHOptionControllerIdx]->select();
}
 
void GUISelectorHController::selectPrevious()
{
    unselect();
    if (selectorHOptionControllers.size() == 0)
        return;
 
    if (selectedHOptionControllerIdx == -1) selectedHOptionControllerIdx = (int)selectorHOptionControllers.size() - 1;
 
    auto disabledCount = 0;
    while (disabledCount < selectorHOptionControllers.size()) {
        selectedHOptionControllerIdx = (selectedHOptionControllerIdx - 1) % (int)selectorHOptionControllers.size();
        if (selectedHOptionControllerIdx < 0)
            selectedHOptionControllerIdx += selectorHOptionControllers.size();
        if (selectorHOptionControllers[selectedHOptionControllerIdx]->isDisabled() == false &&
            selectorHOptionControllers[selectedHOptionControllerIdx]->isHidden() == false) break;
        disabledCount++;
    }
    if (disabledCount == selectorHOptionControllers.size()) {
        selectedHOptionControllerIdx = -1;
        return;
    }
 
    selectorHOptionControllers[selectedHOptionControllerIdx]->select();
}
 
void GUISelectorHController::handleMouseEvent(GUINode* node, GUIMouseEvent* event)
{
    GUIElementController::handleMouseEvent(node, event);
    if (disabled == true) return;
    if (event->getButton() == MOUSE_BUTTON_LEFT) {
        if (node == innerNode && innerNode->isEventBelongingToNode(event) == true) {
            if (event->getType() == GUIMouseEvent::MOUSEEVENT_RELEASED) {
                auto elementNode  = required_dynamic_cast<GUIElementNode*>(this->node);
                node->getScreenNode()->getGUI()->setFoccussedNode(elementNode);
                selectNext();
            }
        }
    }
}
 
void GUISelectorHController::handleKeyboardEvent(GUIKeyboardEvent* event)
{
    GUIElementController::handleKeyboardEvent(event);
    if (disabled == true) return;
    switch (event->getKeyCode()) {
        case GUIKeyboardEvent::KEYCODE_LEFT: {
                event->setProcessed(true);
                if (event->getType() == GUIKeyboardEvent::KEYBOARDEVENT_KEY_PRESSED) {
                    selectPrevious();
                }
            }
            break;
        case GUIKeyboardEvent::KEYCODE_RIGHT: {
                event->setProcessed(true);
                if (event->getType() == GUIKeyboardEvent::KEYBOARDEVENT_KEY_PRESSED) {
                    selectNext();
                }
            }
            break;
    }
}
 
void GUISelectorHController::tick()
{
    GUIElementController::tick();
}
 
void GUISelectorHController::onFocusGained()
{
}
 
void GUISelectorHController::onFocusLost()
{
}
 
bool GUISelectorHController::hasValue()
{
    return true;
}
 
const MutableString& GUISelectorHController::getValue()
{
    value.reset();
    if (selectedHOptionControllerIdx != -1) value.append(required_dynamic_cast<GUIElementNode*>(selectorHOptionControllers[selectedHOptionControllerIdx]->getNode())->getValue());
    return value;
}
 
void GUISelectorHController::setValue(const MutableString& value)
{
    unselect();
    auto i = 0;
    for (auto selectorHOptionController: selectorHOptionControllers) {
        auto selectorHOptionNode = required_dynamic_cast<GUIElementNode*>(selectorHOptionController->getNode());
        if (value.equals(selectorHOptionNode->getValue())) {
            select(i);
            break;
        }
        i++;
    }
}
 
void GUISelectorHController::onSubTreeChange() {
    determineSelectorHOptionControllers();
    selectedHOptionControllerIdx = -1;
    auto i = 0;
    for (auto selectorHOptionController: selectorHOptionControllers) {
        auto selectorHOptionNode = required_dynamic_cast<GUIElementNode*>(selectorHOptionController->getNode());
        selectorHOptionController->unselect();
        if (selectorHOptionNode->isSelected() == true) {
            selectedHOptionControllerIdx = i;
            break;
        }
        i++;
    }
    if (selectedHOptionControllerIdx == -1 && selectorHOptionControllers.empty() == false) selectedHOptionControllerIdx = 0;
    if (selectedHOptionControllerIdx != -1) select(selectedHOptionControllerIdx);
}