annotate UI code/UIElementContainer.h @ 0:a223551fdc1f

First commit - copy from tweakathlon.

//
//  UIElementContainer.h
//  emptyExample
//
//  Created by Robert Tubb on 22/05/2013.
//
//


// a meta button, with border. 

#ifndef __emptyExample__UIElementContainer__
#define __emptyExample__UIElementContainer__

#include <iostream>
#include "globalVariables.h"
#include "ofMain.h"
#include "UIElement.h"
#include "boost/bind.hpp"
#include "boost/function.hpp"
#include "timeController.h"
// is a UI "panel" containing sub elements
// helps control the focus of the touch event


extern TimeController timeController;

class UIElementContainer: public UIElement{
public:
    UIProps myProps;
    vector<UIElement *> subElements;
    UIElementContainer();
    ~UIElementContainer(){
        removeAllSubelements();
    };
    UIElementContainer(float ax,
              float ay,
              float awidth,
              float aheight,
              const UIProps& props); // constructor 1 : we add stuff later

    void addElement(UIElement *elm){
        subElements.push_back(elm);
        
    };
    void removeAllSubelements();
    
    int getNumberOfControls();
    UIElement* getElement(int idx){
        if (idx < subElements.size()){
            return subElements[idx];
        }else{
            cout << "ERROR ERROR: index too big for subelemens" << endl;
        }
        
    }
    void showBorder(bool s){
        if(s){
            cthickness = 1;
        
        }
    }
    virtual void draw();
    bool handleMyTouch(int x, int y, touchType ttype, int touchID){
        vector<UIElement *>::iterator UIitr;
        for(UIitr = subElements.begin(); UIitr < subElements.end(); UIitr++){
            (*UIitr)->touch(x,y,ttype,touchID);
        }
        return true;
    }

    void setActive(bool isActive){
        vector<UIElement *>::iterator UIitr;
        for(UIitr = subElements.begin(); UIitr < subElements.end(); UIitr++){
            (*UIitr)->setActive(isActive);
        }
    }

    void autoArrangeRow(){
        // goes thru subelements and sets x and y pos to something sensible
        
        // add up all element widths
        float sum = accumulate(subElements.begin(), subElements.end(), 0.0, &UIElement::sumWidth);
        
        float spaceLeft = width - sum;
        
        float spac = spaceLeft/(getNumberOfControls()+1);
        
        if (spac <= 0){
            cout << "ERROR: not enough space for controls" << endl;
            
        }
        float pos = spac;
        vector<UIElement *>::iterator ei;
        for(ei = subElements.begin(); ei < subElements.end(); ei++){
            (*ei)->setX(pos);
            pos = pos + (*ei)->getWidth() + spac;
        }
        // TODO y set to centred
    }
private:
    void drawBorder();
    double cthickness;
    bool flashing;
};

#endif /* defined(__emptyExample__UIElementContainer__) */