/*

* Copyright (c) 2003-2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:

*

*/

/**

 * import midp classes.

 */

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

/**

 * This class is to test the methods of the Form like

 * appending many items, appending one Item, deleting an Item and

 * changing/replacing an Item etc.

 *

 * changed arrange of image items to get layout shown correctly

 */

public class FormMethodsTests extends List implements CommandListener, ItemStateListener

{

    private static Midp_Form_01 parent = null;

    private static FormMethodsTests instance = null;

    private final String exCgStr = "Exclusive ChoiceGroup";

    private final String mulCgStr = "Multiple ChoiceGroup";

    private final String popCgStr = "Popup ChoiceGroup";

    private final String dfStr = "DateField";

    private final String iGStr = "Interactive Gauge";

    private final String nGStr = "Non interactive Gauge";

    private final String siStr = "StringItem";

    private final String tfStr = "TextField";

    private final String bigImgStr = "Big Image";

    private final String imgStr = "ImageItem";

    private ChoiceGroup cg = null;

    private DateField df = null;

    private Gauge g = null;

    private StringItem si = null;

    private TextField tf = null;

    private Spacer sp = null;

    private List tests;

    private Form itemForm = null;

    private Command cmdBack = new Command("Back", Command.BACK, 1);

    private Command cmdAppend = new Command("Append Item", Command.SCREEN, 1);

    private Command cmdReplace = new Command("Replace Item", Command.SCREEN, 1);

    private Command cmdDelete = new Command("Delete Item", Command.SCREEN, 1);

    private Command cmdManyItems = new Command("Many Items", Command.SCREEN, 1);

    private Command cmdItemState = new Command("Item State Test", Command.SCREEN, 1);

    private Command cmdChangeStringItem = new Command("Change StringItem", Command.SCREEN, 1);

    private Command cmdChangeImageItem = new Command("Change ImageItem", Command.SCREEN, 1);

    private Command cmdExit = new Command("Exit", Command.EXIT, 1);

    public FormMethodsTests(Midp_Form_01 parent)

    {

        super(parent.getClass().getName(), List.EXCLUSIVE);

        this.parent = parent;

        itemForm = new Form("Items");

        addCommand(cmdManyItems);

        addCommand(cmdAppend);

        addCommand(cmdItemState);

        addCommand(cmdExit);

        itemForm.addCommand(cmdBack);

        itemForm.setCommandListener(this);

        itemForm.setItemStateListener(this);

        setCommandListener(this);

        if (instance == null)

        {

            instance = this;

        }

        instance.append(exCgStr, null);

        instance.append(mulCgStr, null);

        instance.append(popCgStr, null);

        instance.append(dfStr, null);

        instance.append(iGStr, null);

        instance.append(nGStr, null);

        instance.append(siStr, null);

        instance.append(tfStr, null);

        instance.append(imgStr, null);

        instance.append(bigImgStr, null);

        instance.append(spacerStr, null);

        show();

    }

    /**

     *  Sets this to be the current screen

     *

     *@return    The Parent value

     */

    public static MIDlet getParent()

    {

        return parent;

    }

    /**

     *  Show this screen

     */

    public static void show()

    {

        Display.getDisplay(parent).setCurrent(instance);

    }

    private void addChoiceGroup(String title, int type)

    {

        cg = new ChoiceGroup(title, type);

        cg.append("1stElement", null);

        cg.append("2ndElement", null);

        cg.append("3ndElement", null);

        cg.append("4thElement", null);

        cg.append("5thElement", null);

        cg.append("6thElement", null);

        cg.append("7thElement", null);

        cg.append("8thElement", null);

        cg.append("9thElement", null);

        itemForm.append(cg);

    }

    private void addGauge(String title, boolean mode)

    {

        g = new Gauge(title, mode, 10, 5);

        itemForm.append(g);

    }

    private void addDateField(String title, int mode)

    {

        df = new DateField(title, mode);

        itemForm.append(df);

    }

    private void addSpacer(int minWidth, int minHeight)

    {

        sp = new Spacer(minWidth, minHeight);

        itemForm.append(sp);

    }

    private void addStringItem(String title, String text)

    {

        si = new StringItem(title, text);

        itemForm.append(si);

    }

    private void addBigImage()

    {

        try

        {

            Image bigImage = Image.createImage("/bigImage.png");

            itemForm.append(bigImage);

        }

        catch (java.io.IOException err)

        {

            System.out.println("Error in creating the image!");

        }

    }

    private void addImageItem()

    {

        try

        {

            Image img = Image.createImage("/plasma.png");

            itemForm.append(new ImageItem("Default Layout",

                                          img,

                                          ImageItem.LAYOUT_DEFAULT,

                                          "Image Cannot be shown"));

            itemForm.append(new ImageItem("Layout Center",

                                          img,

                                          ImageItem.LAYOUT_CENTER,

                                          "Image Cannot be shown"));

            itemForm.append(new ImageItem("Layout Left",

                                          img,

                                          ImageItem.LAYOUT_LEFT,

                                          "Image Cannot be shown"));

            itemForm.append(new ImageItem("Layout Center After",

                                          img,

                                          ImageItem.LAYOUT_CENTER |

                                          ImageItem.LAYOUT_NEWLINE_AFTER,

                                          "Image Cannot be shown"));

            itemForm.append(new ImageItem("Layout Right",

                                          img,

                                          ImageItem.LAYOUT_RIGHT,

                                          "Image Cannot be shown"));

            itemForm.append(new ImageItem("Layout Center Before",

                                          img,

                                          ImageItem.LAYOUT_CENTER |

                                          ImageItem.LAYOUT_NEWLINE_BEFORE,

                                          "Image Cannot be shown"));

        }

        catch (java.io.IOException err)

        {

            System.out.println("Error in creating the image!");

        }

    }

    private void addTextField(String label, int constraints)

    {

        if (label.equals("UNEDITABLE"))

        {

            tf = new TextField(label, "uneditable", 30, constraints);

        }

        else

            tf = new TextField(label, "", 30, constraints);

        itemForm.append(tf);

    }

    private void deleteFormItems()

    {

        int size = itemForm.size();

        if (size != 0)

        {

            for (int i=0; i<size; i++)

                itemForm.delete(0);

        }

    }

    public void itemStateChanged(Item item)

    {

        itemForm.setTitle(item.getLabel() + " modified!");

    }

    /**

     *  This method handles command invocations.

     *

     *@param  c  This is the command responsible for the event.

     *@param  s  Should be equal to this.

     */

    public void commandAction(Command c, Displayable s)

    {

        int index = instance.getSelectedIndex();

        String item = instance.getString(index);

        if (c == cmdItemState)

        {

            addChoiceGroup(exCgStr, ChoiceGroup.EXCLUSIVE);

            addChoiceGroup(mulCgStr, ChoiceGroup.MULTIPLE);

            addChoiceGroup(popCgStr, ChoiceGroup.POPUP);

            addGauge(iGStr, true);

            addDateField("DATE_TIME", DateField.DATE_TIME);

            addTextField("ANY", TextField.ANY);

            addStringItem("StringItemLabel", "StringItemText");

            addImageItem();

            itemForm.addCommand(cmdChangeStringItem);

            itemForm.addCommand(cmdChangeImageItem);

        }

        if (c == cmdAppend || c == cmdManyItems)

        {

            if (c == cmdAppend)

            {

                deleteFormItems();

                itemForm.removeCommand(cmdReplace);

                itemForm.removeCommand(cmdDelete);

            }

            if (c == cmdManyItems)

            {

                itemForm.addCommand(cmdReplace);

                itemForm.addCommand(cmdDelete);

            }

            if (item.equals(exCgStr))

                addChoiceGroup(exCgStr, ChoiceGroup.EXCLUSIVE);

            else if (item.equals(mulCgStr))

                addChoiceGroup(mulCgStr, ChoiceGroup.MULTIPLE);

            else if (item.equals(popCgStr))

                addChoiceGroup(popCgStr, ChoiceGroup.POPUP);

            else if (item.equals(iGStr))

                addGauge(iGStr, true);

            else if (item.equals(nGStr))

                addGauge(nGStr, false);

            else if (item.equals(dfStr))

            {

                addDateField("DATE", DateField.DATE);

                addDateField("TIME", DateField.TIME);

                addDateField("DATE_TIME", DateField.DATE_TIME);

            }

            else if (item.equals(siStr))

                addStringItem("StringItemLabel", "StringItemText");

            else if (item.equals(imgStr))

                addImageItem();

            else if (item.equals(spacerStr))

            else if (item.equals(tfStr))

            {

                addTextField("ANY", TextField.ANY);

                addTextField("EMAILADDR", TextField.EMAILADDR);

                addTextField("NUMERIC", TextField.NUMERIC);

                addTextField("PHONENUMBER", TextField.PHONENUMBER);

                addTextField("URL", TextField.URL);

                addTextField("PASSWORD", TextField.PASSWORD);

                addTextField("PASSWORD|NUMERIC", TextField.PASSWORD|TextField.NUMERIC);

                addTextField("PASSWORD|PHONENUMBER", TextField.PASSWORD|TextField.PHONENUMBER);

                addTextField("PASSWORD|URL", TextField.PASSWORD|TextField.URL);

                addTextField("PASSWORD|EMAILADDR", TextField.PASSWORD|TextField.EMAILADDR);

                addTextField("DECIMAL", TextField.DECIMAL);

                addTextField("INITIAL_CAPS_SENTENCE", TextField.INITIAL_CAPS_SENTENCE);

                addTextField("PINITIAL_CAPS_WORD", TextField.INITIAL_CAPS_WORD);

                addTextField("UNEDITABLE", TextField.UNEDITABLE);

                addTextField("NON_PREDICTIVE", TextField.NON_PREDICTIVE);

                addTextField("SENSITIVE", TextField.SENSITIVE);

            }

            else if (item.equals(bigImgStr))

                addBigImage();

        }

        if (c == cmdExit)

        {

            parent.destroyApp(false);

            parent.notifyDestroyed();

        }

        Display.getDisplay(parent).setCurrent(itemForm);

        if (c == cmdBack)

            Display.getDisplay(parent).setCurrent(instance);

        if (c == cmdReplace)

        {

            //Item to replace 1st Item

            Item si = new StringItem("Replaced StringItem", "StringItem Text");

            if (itemForm.size() != 0)

                itemForm.set(0, si);

            Display.getDisplay(parent).setCurrent(itemForm);

        }

        if (c == cmdDelete)

        {

            if (itemForm.size() == 0)

            {

                //to tell the user Form is empty

                Alert a = new Alert("Info", "Form is empty,add Items before testing delete", null, AlertType.INFO);

                a.setTimeout(5000);

                Display.getDisplay(parent).setCurrent(a);

            }

            else

            {

                itemForm.delete(0);

            }

            Display.getDisplay(parent).setCurrent(itemForm);

        }

        if (c == cmdChangeStringItem)

        {

            (itemForm.get(6)).setLabel("StringItem Changed!");

            (itemForm.get(6)).notifyStateChanged();

        }

        if (c == cmdChangeImageItem)

        {

            (itemForm.get(7)).setLabel("ImageItem Changed!");

            (itemForm.get(7)).notifyStateChanged();

        }

    }

}