import java.util.ArrayList;
import java.util.Iterator;

import android.R;
import android.widget.Adapter;
import android.widget.AdapterView;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.RadioButton;
import android.widget.RadioGroup;
import android.widget.TextView;
import android.widget.LinearLayout.LayoutParams;
import android.graphics.Color;
import android.graphics.Typeface;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.GradientDrawable;
import android.graphics.drawable.GradientDrawable.Orientation;
import android.text.method.KeyListener;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnKeyListener;

public class List extends Screen implements Choice {

    public Command SELECT_COMMAND = null;

    String title;
    int listType;
    int fitPolicy;
    boolean bUpdate = true;
    boolean bUpdateSelection = true;
    int iSelectedIndex = -1;

    ArrayList arrayListItems = new ArrayList();

    TextView textView;
    ListView listView;

    public List(String title, int listType) {
        this.title = title;
        this.listType = listType;
        UpdateView();

    }

    public List(String title, int listType, String[] stringElements,
            Image[] imageElements) {
        this(title, listType);
        for (int i = 0; i < stringElements.length; i++) {
            ListItem templistitem = new ListItem(stringElements[i],
                    imageElements[i], false);
            if (arrayListItems.size() == 0) {
                templistitem.bSelected = true;
            }
            arrayListItems.add(templistitem);
        }
        UpdateView();
    }

    public void UpdateView() {
        bUpdate = true;
    }

    public void UpdateSelection() {
        bUpdateSelection = true;
    }

    public void UpdateDisplay() {
        if (bUpdate == true) {
            this.setLayoutParams(new LayoutParams(LayoutParams.FILL_PARENT,
                    LayoutParams.FILL_PARENT));
            this.setOrientation(LinearLayout.VERTICAL);
            this.removeAllViews();
            this.setBackgroundColor(Color.WHITE);

            textView = new TextView(UIGlobal.APP_CONTEXT);
            textView.setTypeface(UIGlobal.APP_TYPEFACE, Typeface.BOLD);
            textView.setTextSize(Font.getDefaultFont().getSize());
            textView.setTextColor(UIGlobal.TEXT_NORMAL);
            textView.setText(this.title);
            this.addView(textView, 0);
            MIDPListAdapter midplistadapter = new MIDPListAdapter(
                    arrayListItems);
            listView = new ListView(UIGlobal.APP_CONTEXT);
            listView.setAdapter(midplistadapter);
            listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
            listView.setStackFromBottom(false);
            listView.setClickable(true);
            listView.setDivider(new ColorDrawable(Color.LTGRAY));
            listView.setDividerHeight(3);
            listView.setFooterDividersEnabled(true);
            listView.setHeaderDividersEnabled(true);
            listView.setCacheColorHint(00000000);
            listView.requestFocusFromTouch();
            if (arrayListItems.size() > 0) {

                listView.setSelection(0);
                setSelectedIndex(0, true);
                iSelectedIndex = 0;
            }

            AdapterView.OnItemClickListener mItemClickedHandler = new AdapterView.OnItemClickListener() {
                public void onItemClick(AdapterView parent, View v,
                        int position, long id) {
                    iSelectedIndex = position;
                    selectItem(iSelectedIndex, true);
                }
            };
            listView.setOnItemClickListener(mItemClickedHandler);
            this.addView(listView, 1);
            bUpdate = false;
        }
    }

    public View getView() {
        if (bUpdate == true) {
            UpdateDisplay();
        }

        if (bUpdateSelection == true) {
        }

        return this;
    }

    public void RefreshList() {

        System.out.println(" RefreshList iSelectedIndex " + iSelectedIndex);
        for (int i = 0; i < arrayListItems.size(); i++) {
            ListItem templistitem = (ListItem) arrayListItems.get(i);
            if (i != iSelectedIndex) {
                if (templistitem.bSelected == true) {
                    templistitem.bSelected = false;
                    arrayListItems.set(i, templistitem);
                }
            } else {
                if (templistitem.bSelected == false) {
                    templistitem.bSelected = true;
                    arrayListItems.set(i, templistitem);
                }
            }
        }
    }

    public int append(String stringPart, Image imagePart) {
        ListItem templistitem = new ListItem(stringPart, imagePart, false);
        if (arrayListItems.size() == 0) {
            templistitem.bSelected = true;
        }
        arrayListItems.add(templistitem);
        UpdateView();
        return (arrayListItems.size() - 1);
    }

    public void delete(int elementNum) {
        arrayListItems.remove(elementNum);
        UpdateView();
    }

    public void deleteAll() {
        arrayListItems.clear();
        UpdateView();
    }

    public void addCommand(Command cmd) {
        super.addCommand(cmd);
        if (cmd.getLabel().toUpperCase().equals("NEXT")
                || cmd.getLabel().toUpperCase().equals("SELECT")) // First
                                                                    // command
                                                                    // is linked
                                                                    // to Select
                                                                    // Command
        {
            SELECT_COMMAND = cmd;
        }
    }

    public Image getImage(int elementNum) {
        ListItem templistitem = (ListItem) arrayListItems.get(elementNum);
        return templistitem.imagePart;
    }

    public int getSelectedFlags(boolean[] selectedArray_return) {
        RefreshList();
        int intSelectedCount = 0;
        int i = 0;
        Iterator itr = arrayListItems.iterator();
        while (itr.hasNext()) {
            ListItem templistitem = (ListItem) itr.next();
            selectedArray_return[i] = templistitem.bSelected;
            if (templistitem.bSelected) {
                intSelectedCount++;
            }
        }
        return intSelectedCount;
    }

    public int getSelectedIndex() {
        RefreshList();
        return iSelectedIndex;
    }

    public String getString(int elementNum) {
        ListItem templistitem = (ListItem) arrayListItems.get(elementNum);
        return templistitem.stringPart;
    }

    public void insert(int elementNum, String stringPart, Image imagePart) {
        ListItem templistitem = new ListItem(stringPart, imagePart, false);
        arrayListItems.add(elementNum, templistitem);
        UpdateView();
    }

    public boolean isSelected(int elementNum) {
        RefreshList();
        ListItem templistitem = (ListItem) arrayListItems.get(elementNum);
        return templistitem.bSelected;
    }

    public void set(int elementNum, String stringPart, Image imagePart) {
        ListItem templistitem = new ListItem(stringPart, imagePart, false);
        arrayListItems.set(elementNum, templistitem);
        UpdateView();
    }

    public void setSelectCommand(Command command) {
        SELECT_COMMAND = command;
    }

    public void setSelectedFlags(boolean[] selectedArray) {
        for (int i = 0; i < arrayListItems.size(); i++) {
            ListItem templistitem = (ListItem) arrayListItems.get(i);
            if (templistitem.bSelected != selectedArray[i]) {
                templistitem.bSelected = selectedArray[i];
                arrayListItems.set(i, templistitem);
            }
        }
    }

    public void setTitle(String s) {
        this.title = s;
    }

    public int size() {
        return arrayListItems.size();
    }

    public void selectItem(int elementNum, boolean selected) {
        setSelectedIndex(elementNum, selected);
        if ((this.commandListener != null) && (SELECT_COMMAND != null)) {
            this.commandListener.commandAction(SELECT_COMMAND, this);
        } else if ((this.commandListener != null) && (aListCommands.size() > 1)) {
            this.commandListener.commandAction((Command) aListCommands.get(0),
                    this);
        }
    }

    @Override
    public void setSelectedIndex(int elementNum, boolean selected) {

        for (int i = 0; i < arrayListItems.size(); i++) {
            ListItem templistitem = (ListItem) arrayListItems.get(i);
            if (elementNum == i) {
                templistitem.bSelected = selected;
                arrayListItems.set(i, templistitem);
            } else {
                if (selected == true) {
                    if (templistitem.bSelected == true) // Make all other
                                                        // selection false
                    {
                        templistitem.bSelected = false;
                        arrayListItems.set(i, templistitem);
                    }
                }
            }
        }
        iSelectedIndex = elementNum;
    }

    @Override
    public int getFitPolicy() {
        return fitPolicy;
    }

    @Override
    public void setFitPolicy(int fitPolicy) {
        this.fitPolicy = fitPolicy;
    }

    public void SelectNextItem() {
        int iCurrentlySelectedIndex = iSelectedIndex;
        if (iCurrentlySelectedIndex == (arrayListItems.size() - 1)) {
            setSelectedIndex(0, true);
        } else {
            setSelectedIndex(iCurrentlySelectedIndex + 1, true);
        }
    }

    public void SelectPreviousItem() {
        int iCurrentlySelectedIndex = iSelectedIndex;
        if (iCurrentlySelectedIndex == 0) {
            setSelectedIndex(arrayListItems.size() - 1, true);
        } else {
            setSelectedIndex(iCurrentlySelectedIndex - 1, true);
        }
    }

    @Override
    public Font getFont(int elementNum) {
        return null;
    }

    @Override
    public void setFont(int elementNum, Font font) {

    }

}