ofxPiMapper/src/ui/ofxRadioList.cpp

#include "ofxRadioList.h"

ofxRadioList::ofxRadioList()
{
    storedTitle = "";
    storedSelectedItem = 0;
}

ofxRadioList::ofxRadioList(vector<string> &labels)
{
    ofxRadioList();
    setup(labels);
}

ofxRadioList::ofxRadioList(string title, vector<string> &labels)
{
    ofxRadioList();
    setup(title, labels);
}

ofxRadioList::~ofxRadioList()
{
    clear();
}

void ofxRadioList::setup(vector<string> &labels)
{
    // Copy incomming labels for later use
    storedLabels = labels;
    
    // Create toggles with labels from the labels arg
    int i;
    for (i = 0; i < labels.size(); i++) {
        ofxToggle* toggle = new ofxToggle();
        toggle->setup(false);
        toggle->setName(labels[i]);
        toggle->addListener(this, &ofxRadioList::onToggleClicked);
        guiGroup.add(toggle);
    }
    
    cout << "num items: " << guiGroup.getNumControls() << endl;
}

void ofxRadioList::setup(string title, vector<string> &labels)
{
    // Store title for later use
    storedTitle = title;
    guiGroup.setName(title);
    setup(labels);
}

void ofxRadioList::draw()
{
    guiGroup.draw();
}

void ofxRadioList::setTitle(string title)
{
    storedTitle = title;
    guiGroup.setName(title);
}

void ofxRadioList::setPosition(ofPoint p)
{
    guiGroup.setPosition(p);
}

void ofxRadioList::setPosition(float x, float y)
{
    guiGroup.setPosition(x, y);
}

void ofxRadioList::selectItem(int index)
{
    if (index >= guiGroup.getNumControls()) {
        return;
    }
    
    unselectAll();
    
    ofxToggle* toggle = static_cast<ofxToggle*>(guiGroup.getControl(index));
    toggle->removeListener(this, &ofxRadioList::onToggleClicked);
    *toggle = true; // Select the specific radio button
    toggle->addListener(this, &ofxRadioList::onToggleClicked);
    string name = toggle->getName();
    ofNotifyEvent(radioSelectedEvent, name, this);
    
    storedSelectedItem = index;
}

void ofxRadioList::enable()
{
    if (guiGroup.getNumControls() >= 0) {
        clear();
    }
    
    // Rebuild everyting
    setup(storedTitle, storedLabels);
    
    // Select the stored selected item without throwing an event
    ofxToggle* toggle = static_cast<ofxToggle*>(guiGroup.getControl(storedSelectedItem));
    toggle->removeListener(this, &ofxRadioList::onToggleClicked);
    *toggle = true;
    toggle->addListener(this, &ofxRadioList::onToggleClicked);
    
    cout << "num items after enable: " << guiGroup.getNumControls() << endl;
}

void ofxRadioList::disable()
{
    // Just remove everything
    clear();
}

void ofxRadioList::clear()
{
    int i;
    for (i = 0; i < guiGroup.getNumControls(); i++) {
        ofxToggle* toggle = static_cast<ofxToggle*>(guiGroup.getControl(i));
        toggle->removeListener(this, &ofxRadioList::onToggleClicked);
        delete toggle;
    }
    guiGroup.clear();
}

void ofxRadioList::unselectAll()
{
    int i;
    for (i = 0; i < guiGroup.getNumControls(); i++) {
        ofxToggle* toggle = static_cast<ofxToggle*>(guiGroup.getControl(i));
        ofParameter<bool>* paramPtr = static_cast<ofParameter<bool>*>(&toggle->getParameter());
        toggle->removeListener(this, &ofxRadioList::onToggleClicked);
        *toggle = false;
        toggle->addListener(this, &ofxRadioList::onToggleClicked);
    }
}

ofPoint ofxRadioList::getPosition()
{
    return guiGroup.getPosition();
}

float ofxRadioList::getWidth()
{
    return guiGroup.getWidth();
}

float ofxRadioList::getHeight()
{
    return guiGroup.getHeight();
}

string ofxRadioList::getTitle()
{
    return guiGroup.getName();
}

string ofxRadioList::getItemName(int index)
{
    if (index >= guiGroup.getNumControls()) {
        return "";
    }
    
    ofxToggle* toggle = static_cast<ofxToggle*>(guiGroup.getControl(index));
    return toggle->getName();
}

int ofxRadioList::size()
{
    return guiGroup.getNumControls();
}

void ofxRadioList::onToggleClicked(bool &toggleValue)
{
    unselectAll();
    
    // Search for the actual toggle triggering the event
    int i;
    for (i = 0; i < guiGroup.getNumControls(); i++) {
        ofxToggle* toggle = static_cast<ofxToggle*>(guiGroup.getControl(i));
        ofParameter<bool>* paramPtr = static_cast<ofParameter<bool>*>(&toggle->getParameter());
        
        if (&(paramPtr->get()) == &toggleValue) {
            selectItem(i);
            break;
        }
    }
}