GUIContextMenuController.cpp

Go to the documentation of this file.

#include <tdme/gui/elements/GUIContextMenuController.h>
 
#include <string>
 
#include <tdme/tdme.h>
#include <tdme/gui/elements/GUIContextMenuController.h>
#include <tdme/gui/elements/GUIContextMenuItemController.h>
#include <tdme/gui/events/GUIKeyboardEvent.h>
#include <tdme/gui/events/GUIMouseEvent.h>
#include <tdme/gui/nodes/GUIElementController.h>
#include <tdme/gui/nodes/GUINode.h>
#include <tdme/gui/nodes/GUIParentNode.h>
#include <tdme/gui/GUI.h>
#include <tdme/utilities/Console.h>
#include <tdme/utilities/MutableString.h>
#include <tdme/utilities/StringTools.h>
 
using std::to_string;
 
using tdme::gui::elements::GUIContextMenuController;
using tdme::gui::elements::GUIContextMenuItemController;
using tdme::gui::events::GUIKeyboardEvent;
using tdme::gui::events::GUIMouseEvent;
using tdme::gui::nodes::GUIElementController;
using tdme::gui::nodes::GUINode;
using tdme::gui::nodes::GUIParentNode;
using tdme::gui::GUI;
using tdme::utilities::Console;
using tdme::utilities::MutableString;
using tdme::utilities::StringTools;
 
GUIContextMenuController::GUIContextMenuController(GUINode* node)
    : GUIElementController(node)
{
}
 
void GUIContextMenuController::initialize()
{
    //
    GUIElementController::initialize();
}
 
void GUIContextMenuController::dispose()
{
    GUIElementController::dispose();
}
 
void GUIContextMenuController::postLayout()
{
}
 
void GUIContextMenuController::determineMenuItemControllers()
{
    vector<GUINode*> childControllerNodes;
    menuItemControllers.clear();
    required_dynamic_cast<GUIParentNode*>(node)->getChildControllerNodes(childControllerNodes);
    for (auto i = 0; i < childControllerNodes.size(); i++) {
        auto childControllerNode = childControllerNodes[i];
        auto childController = childControllerNode->getController();
        auto menuItemController = dynamic_cast<GUIContextMenuItemController*>(childController);
        if (menuItemController != nullptr) {
            menuItemControllers.push_back(menuItemController);
        }
    }
}
 
void GUIContextMenuController::unselectSelection()
{
    if (selectedMenuItemControllerIdx == -1) return;
    if (menuItemControllers.empty() == true) return;
    menuItemControllers[selectedMenuItemControllerIdx]->unselect();
}
 
void GUIContextMenuController::selectFirst()
{
    unselectSelection();
    if (menuItemControllers.empty() == true) return;
    selectedMenuItemControllerIdx = -1;
    selectNext();
}
 
void GUIContextMenuController::selectNext()
{
    unselectSelection();
    if (menuItemControllers.empty() == true) return;
 
    auto disabledItems = 0;
    while (disabledItems < menuItemControllers.size()) {
        selectedMenuItemControllerIdx = (selectedMenuItemControllerIdx + 1) % (int)menuItemControllers.size();
        if (selectedMenuItemControllerIdx < 0)
            selectedMenuItemControllerIdx += menuItemControllers.size();
        if (menuItemControllers[selectedMenuItemControllerIdx]->isDisabled() == false) break;
        disabledItems++;
    }
 
    if (disabledItems == menuItemControllers.size()) {
        selectedMenuItemControllerIdx = -1;
        return;
    }
 
    menuItemControllers[selectedMenuItemControllerIdx]->select();
}
 
void GUIContextMenuController::selectPrevious()
{
    unselectSelection();
    if (menuItemControllers.empty() == true) return;
    if (selectedMenuItemControllerIdx == -1) selectedMenuItemControllerIdx = (int)menuItemControllers.size();
 
    auto disabledItems = 0;
    while (disabledItems < menuItemControllers.size()) {
        selectedMenuItemControllerIdx = (selectedMenuItemControllerIdx - 1) % (int)menuItemControllers.size();
        if (selectedMenuItemControllerIdx < 0)
            selectedMenuItemControllerIdx += menuItemControllers.size();
        if (menuItemControllers[selectedMenuItemControllerIdx]->isDisabled() == false) break;
        disabledItems++;
    }
 
    if (disabledItems == menuItemControllers.size()) {
        selectedMenuItemControllerIdx = -1;
        return;
    }
 
    menuItemControllers[selectedMenuItemControllerIdx]->select();
}
 
void GUIContextMenuController::handleCurrentMenuItemKeyboardEvent(GUIKeyboardEvent* event)
{
    determineMenuItemControllers();
    if (selectedMenuItemControllerIdx == -1) return;
    menuItemControllers[selectedMenuItemControllerIdx]->handleKeyboardEvent(event);
}
 
void GUIContextMenuController::handleMouseEvent(GUINode* node, GUIMouseEvent* event)
{
    GUIElementController::handleMouseEvent(node, event);
}
 
void GUIContextMenuController::handleKeyboardEvent(GUIKeyboardEvent* event)
{
    GUIElementController::handleKeyboardEvent(event);
    if (event->isProcessed() == true) return;
    switch (event->getKeyCode()) {
    case GUIKeyboardEvent::KEYCODE_UP: {
            event->setProcessed(true);
            if (event->getType() == GUIKeyboardEvent::KEYBOARDEVENT_KEY_PRESSED) {
                selectPrevious();
            }
        }
        break;
    case GUIKeyboardEvent::KEYCODE_DOWN: {
            event->setProcessed(true);
            if (event->getType() == GUIKeyboardEvent::KEYBOARDEVENT_KEY_PRESSED) {
                selectNext();
            }
        }
        break;
    }
}
 
void GUIContextMenuController::tick()
{
    GUIElementController::tick();
}
 
void GUIContextMenuController::onFocusGained()
{
}
 
void GUIContextMenuController::onFocusLost()
{
}
 
bool GUIContextMenuController::hasValue()
{
    return true;
}
 
const MutableString& GUIContextMenuController::getValue()
{
    value.reset();
    return value;
}
 
void GUIContextMenuController::setValue(const MutableString& value)
{
    determineMenuItemControllers();
}
 
void GUIContextMenuController::onSubTreeChange() {
    determineMenuItemControllers();
    selectedMenuItemControllerIdx = -1;
}