PatientSelector.cs

using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using UI;

public class PatientSelector : MonoBehaviour {

    public Sprite SpriteLiver = null;
    public Sprite SpriteBone = null;
    public Sprite SpriteBrain = null;
    public Sprite SpritePancreas = null;
    public Sprite SpriteIntestine = null;
    public Sprite SpriteUnknown = null;

    private GameObject mScrollView;

    private int notificationID;

    // Use this for initialization
    void Start () {

        // Get the scroll view defined for the widget:
        mScrollView = transform.Find("Background/Scroll View").gameObject;
        // Disable the default button:
        defaultPatientButton = mScrollView.transform.Find("Viewport/Content/ButtonPatient").gameObject;
        defaultPatientButton.SetActive(false);

        PatientEventSystem.startListening (
            PatientEventSystem.Event.PATIENT_NewPatientDirectoryFound,
            addPatientEntry
        );

        PatientDirectoryLoader.setPath("../Patients/");

    }
    public void OnEnable()
    {
        notificationID = UI.Core.instance.addIndication ( GetComponent<Widget>().layoutScreen, "Please choose patient");
    }
    public void OnDisable()
    {
        UI.Core.instance.clearIndication (notificationID);
    }

    void ChoosePatient( int index )
    {
        // TODO make singleton? Unload any previous patient.
        //mPatientLoader.loadPatient(index);
        PatientDirectoryLoader.loadPatient(index);
        //PatientCache.instance.openPatient(index);
    }

    void addPatientEntry( object obj = null )
    {

        // Remove all entries in the list:
        foreach(Transform child in defaultPatientButton.transform.parent) {
            //Debug.Log (child.name);
            // Remove all buttons except for the default button:
            if( child.gameObject.activeSelf ) {
                Destroy (child.gameObject);
            }
        }

        // Add all new entries:
        for( int index = 0; index < PatientDirectoryLoader.getCount(); index ++ )
        {
            PatientMeta patient = PatientDirectoryLoader.getEntry(index);

            // Create a new instance of the list button:
            GameObject newButton = Instantiate(defaultPatientButton);
            newButton.SetActive(true);

            // Attach the new button to the list:
            newButton.transform.SetParent(defaultPatientButton.transform.parent, false );

            // Fill button's text object:
            Text t = newButton.transform.Find("Text").GetComponent<Text>();
            t.text = patient.name + "\n  <color=#DDDDDD>" + patient.birthDate + "</color>";

            newButton.transform.Find ("ImageFemale").gameObject.SetActive (false);
            newButton.transform.Find ("ImageMale").gameObject.SetActive (false);
            if (patient.sex == "f") {
                newButton.transform.Find ("ImageFemale").gameObject.SetActive (true);
            } else if (patient.sex == "m") {
                newButton.transform.Find ("ImageMale").gameObject.SetActive (true);
            }

            Text ageText = newButton.transform.Find("AgeText").GetComponent<Text>();
            if (patient.age >= 0) {
                ageText.text = patient.age + " a";
            } else {
                ageText.text = "";
            }

            Text detailsText = newButton.transform.Find("TextDetails").GetComponent<Text>();
            detailsText.text = patient.diagnosis + "\n  <color=#DDDDDD>" + patient.details + "</color>";

            Image operationTypeImage = newButton.transform.Find ("IconBackground/OperationTypeImage").GetComponent<Image> ();
            if (operationTypeImage != null) {
                operationTypeImage.sprite = spriteForOperatedBodyPart (patient.operationBodyPart);
            } else {
                operationTypeImage.gameObject.SetActive (false);
            }

            if (patient.warnings.Count > 0) {
                string warnings = "";
                for (int i = 0; i < patient.warnings.Count; i++) {
                    warnings = warnings + patient.warnings [i] + "\n";
                }
                Text warningsText = newButton.transform.Find("TextWarnings").GetComponent<Text>();
                warningsText.text = warnings;
            }

            // Set up events:
            int capturedIndex = index;
            Button b = newButton.GetComponent<Button>();
            b.onClick.AddListener(() => ChoosePatient(capturedIndex));
            b.onClick.AddListener (() => gameObject.SetActive (false));
        }

        /*RectTransform rectTf = defaultPatientButton.transform.parent.GetComponent<RectTransform>();
        RectTransform buttonRectTF = defaultPatientButton.transform.GetComponent<RectTransform>();
        float newWidth = PatientDirectoryLoader.getCount () * (buttonRectTF.rect.width + 2.0f);
        rectTf.SetSizeWithCurrentAnchors (RectTransform.Axis.Horizontal, newWidth);*/

        // Set the scroll view position:
        //Vector2 currentScrollPos = mScrollView.GetComponent<ScrollRect>().normalizedPosition;
        //mScrollView.GetComponent<ScrollRect>().normalizedPosition = new Vector2(0,currentScrollPos.y);

    }

    Sprite spriteForOperatedBodyPart( PatientMeta.OperationBodyPart ot )
    {
        if (ot == PatientMeta.OperationBodyPart.Liver) {
            return SpriteLiver;
        } else if (ot == PatientMeta.OperationBodyPart.Bone) {
            return SpriteBone;
        } else if (ot == PatientMeta.OperationBodyPart.Brain) {
            return SpriteBrain;
        } else if (ot == PatientMeta.OperationBodyPart.Pancreas) {
            return SpritePancreas;
        } else if (ot == PatientMeta.OperationBodyPart.Intestine) {
            return SpriteIntestine;
        } else {
            return SpriteUnknown;
        }
    }

    private GameObject defaultPatientButton = null;
}