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/* * @(#)ItemDisplayScreen.java 1.9 04/06/14 * * Copyright (c) 2000-2004 Sun Microsystems, Inc. All rights reserved. * PROPRIETARY/CONFIDENTIAL * Use is subject to license terms */ package PDAPDemo.src.example.pim; import java.io.ByteArrayOutputStream; import java.util.Date; import java.util.Enumeration; import java.util.Hashtable; import java.util.Vector; import javax.microedition.lcdui.Alert; import javax.microedition.lcdui.AlertType; import javax.microedition.lcdui.Command; import javax.microedition.lcdui.CommandListener; import javax.microedition.lcdui.DateField; import javax.microedition.lcdui.Display; import javax.microedition.lcdui.Displayable; import javax.microedition.lcdui.Form; import javax.microedition.lcdui.Item; import javax.microedition.lcdui.ItemCommandListener; import javax.microedition.lcdui.List; import javax.microedition.lcdui.StringItem; import javax.microedition.lcdui.TextField; import javax.microedition.pim.Contact; import javax.microedition.pim.Event; import javax.microedition.pim.PIM; import javax.microedition.pim.PIMException; import javax.microedition.pim.PIMItem; import javax.microedition.pim.ToDo; /** * Demonstrate the use of JSR 75 PIM APIs */ public class ItemDisplayScreen extends Form implements CommandListener, ItemCommandListener { private final Command editArrayCommand = new Command("Edit", Command.OK, 1); private final Command editBooleanCommand = new Command("Edit", Command.OK, 1); private final Command commitCommand = new Command("Commit", Command.OK, 2); private final Command backCommand = new Command("Back", Command.BACK, 1); private final Command showVCard = new Command("Show vCard", Command.SCREEN, 5); private final Command showVCalendar = new Command("Show vCalendar", Command.SCREEN, 5); private final Command addField = new Command("Add Field", Command.SCREEN, 2); private final Command removeField = new Command("Remove Field", Command.SCREEN, 3); private final PIMDemo midlet; private final ItemSelectionScreen caller; private final PIMItem item; private final Hashtable fieldTable = new Hashtable(); // maps field indices to items public ItemDisplayScreen(PIMDemo midlet, ItemSelectionScreen caller, PIMItem item) throws PIMException { super("PIM Item"); this.midlet = midlet; this.caller = caller; this.item = item; populateForm(); addCommand(backCommand); addCommand(commitCommand); setCommandListener(this); } private boolean isClassField(int field) { return item instanceof Contact && field == Contact.CLASS || item instanceof Event && field == Event.CLASS || item instanceof ToDo && field == ToDo.CLASS; } private void populateForm() throws PIMException { deleteAll(); fieldTable.clear(); int[] fields = item.getPIMList().getSupportedFields(); boolean allFieldsUsed = true; for (int i = 0; i < fields.length; i++) { int field = fields[i]; // exclude CLASS field if (isClassField(field)) { continue; } if (item.countValues(field) == 0) { allFieldsUsed = false; continue; } int dataType = item.getPIMList().getFieldDataType(field); String label = item.getPIMList().getFieldLabel(field); Item formItem = null; switch (dataType) { case PIMItem.STRING: { String sValue = item.getString(field, 0); if (sValue == null) { sValue = ""; } int style = TextField.ANY; // cater for specific field styles if (item instanceof Contact) { switch (field) { case Contact.EMAIL: style = TextField.EMAILADDR; break; case Contact.TEL: style = TextField.PHONENUMBER; break; case Contact.URL: style = TextField.URL; break; } } try { formItem = new TextField(label, sValue, 128, style); } catch (IllegalArgumentException e) { formItem = new TextField(label, sValue, 128, TextField.ANY); } break; } case PIMItem.BOOLEAN: { formItem = new StringItem(label, item.getBoolean(field, 0) ? "yes" : "no"); formItem.setDefaultCommand(editBooleanCommand); break; } case PIMItem.STRING_ARRAY: { String[] a = item.getStringArray(field, 0); if (a != null) { formItem = new StringItem(label, joinStringArray(a)); formItem.setDefaultCommand(editArrayCommand); } break; } case PIMItem.DATE: { long time = item.getDate(field, 0); int style = DateField.DATE_TIME; // some fields are date only, without a time. // correct for these fields: if (item instanceof Contact) { switch (field) { case Contact.BIRTHDAY: style = DateField.DATE; break; } } formItem = new DateField(label, style); ((DateField) formItem).setDate(new Date(time)); break; } case PIMItem.INT: { formItem = new TextField(label, String.valueOf(item.getInt(field, 0)), 64, TextField.DECIMAL); break; } case PIMItem.BINARY: { byte[] data = item.getBinary(field, 0); if (data != null) { formItem = new StringItem(label, data.length + " bytes"); } break; } } if (formItem != null) { append(formItem); fieldTable.put(formItem, new Integer(field)); formItem.addCommand(removeField); formItem.setItemCommandListener(this); } } if (item instanceof Contact) { addCommand(showVCard); } else { addCommand(showVCalendar); } if (!allFieldsUsed) { addCommand(addField); } else { removeCommand(addField); } } public void commandAction(Command command, Displayable displayable) { if (command == backCommand) { try { getUserData(); } catch (Exception e) { // ignore; store what can be stored of the data } try { caller.populateList(); } catch (Exception e) { // ignore again; show what can be shown of the list } Display.getDisplay(midlet).setCurrent(caller); } else if (command == commitCommand) { commit(); } else if (command == showVCard) { showItem("VCARD/2.1"); } else if (command == showVCalendar) { showItem("VCALENDAR/1.0"); } else if (command == addField) { addField(); } } public void commandAction(Command c