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/*
* MicroEmulator
* Copyright (C) 2001 Bartek Teodorczyk
* Copyright (C) 2005 Andres Navarro
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contributor(s):
* 3GLab
*/
package javax.microedition.lcdui;
import org.microemu.device.DeviceFactory;
import org.microemu.device.ui.ListUI;
public class List extends Screen implements Choice {
public static final Command SELECT_COMMAND = new Command("", Command.SCREEN, 0);
ChoiceGroup choiceGroup;
private Command selCommand;
private int initialPressedItem;
public List(String title, int listType) {
super(title);
super.setUI(DeviceFactory.getDevice().getUIFactory().createListUI(this));
if (listType != Choice.IMPLICIT && listType != Choice.MULTIPLE && listType != Choice.EXCLUSIVE)
throw new IllegalArgumentException("Illegal list type");
if (listType == Choice.IMPLICIT) {
choiceGroup = new ChoiceGroup(null, Choice.IMPLICIT, false);
} else {
choiceGroup = new ChoiceGroup(null, listType);
}
choiceGroup.setOwner(this);
choiceGroup.setFocus(true);
this.selCommand = SELECT_COMMAND;
this.initialPressedItem = -1;
}
public List(String title, int listType, String[] stringElements, Image[] imageElements) {
super(title);
super.setUI(DeviceFactory.getDevice().getUIFactory().createListUI(this));
if (ui.getClass().getName().equals("org.microemu.android.device.ui.AndroidListUI")) {
for (int i = 0; i < stringElements.length; i++) {
if (imageElements == null) {
append(stringElements[i], null);
} else {
append(stringElements[i], imageElements[i]);
}
}
choiceGroup = new ChoiceGroup(null, listType, stringElements, imageElements, false);
} else {
if (listType == Choice.IMPLICIT) {
choiceGroup = new ChoiceGroup(null, Choice.IMPLICIT, stringElements, imageElements, false);
for (int i = 0; i < size(); i++) {
set(i, getString(i), null);
}
} else {
choiceGroup = new ChoiceGroup(null, listType, stringElements, imageElements);
}
}
choiceGroup.setOwner(this);
choiceGroup.setFocus(true);
this.selCommand = SELECT_COMMAND;
this.initialPressedItem = -1;
}
public int append(String stringPart, Image imagePart) {
if (ui.getClass().getName().equals("org.microemu.android.device.ui.AndroidListUI")) {
return ((ListUI) ui).append(stringPart, imagePart);
} else {
return choiceGroup.append(stringPart, imagePart);
}
}
public void delete(int elementNum) {
choiceGroup.delete(elementNum);
}
public void deleteAll() {
choiceGroup.deleteAll();
}
public int getFitPolicy() {
return choiceGroup.getFitPolicy();
}
public Font getFont(int elementNum) {
return choiceGroup.getFont(elementNum);
}
public Image getImage(int elementNum) {
return choiceGroup.getImage(elementNum);
}
public int getSelectedFlags(boolean[] selectedArray_return) {
return choiceGroup.getSelectedFlags(selectedArray_return);
}
public int getSelectedIndex() {
if (ui.getClass().getName().equals("org.microemu.android.device.ui.AndroidListUI")) {
return ((ListUI) ui).getSelectedIndex();
} else {
return choiceGroup.getSelectedIndex();
}
}
public String getString(int elementNum) {
if (ui.getClass().getName().equals("org.microemu.android.device.ui.AndroidListUI")) {
return ((ListUI) ui).getString(elementNum);
} else {
return choiceGroup.getString(elementNum);
}
}
public void insert(int elementNum, String stringPart, Image imagePart) {
choiceGroup.insert(elementNum, stringPart, imagePart);
}
public boolean isSelected(int elementNum) {
return choiceGroup.isSelected(elementNum);
}
public void removeCommand(Command cmd) {
// TODO implement
super.removeCommand(cmd);
}
public void set(int elementNum, String stringPart, Image imagePart) {
choiceGroup.set(elementNum, stringPart, imagePart);
}
public void setFitPolicy(int policy) {
choiceGroup.setFitPolicy(policy);
}
public void setFont(int elementNum, Font font) {
choiceGroup.setFont(elementNum, font);
}
public void setSelectCommand(Command command) {
selCommand = command;
((ListUI) ui).setSelectCommand(command);
}
public void setSelectedFlags(boolean[] selectedArray) {
choiceGroup.setSelectedFlags(selectedArray);
}
public void setSelectedIndex(int elementNum, boolean selected) {
choiceGroup.setSelectedIndex(elementNum, selected);
}
public void setTicker(Ticker ticker) {
super.setTicker(ticker);
// TODO size of changed probably
}
public void setTitle(String s) {
// TODO implement
super.setTitle(s);
}
void keyPressed(int keyCode) {
if (Display.getGameAction(keyCode) == Canvas.FIRE && choiceGroup.select() && super.getCommandListener() != null
&& choiceGroup.choiceType == Choice.IMPLICIT) {
super.getCommandListener().commandAction(selCommand, this);
} else {
super.keyPressed(keyCode);
}
}
void pointerPressed(int x, int y) {
Ticker ticker = getTicker();
if (ticker != null) {
y -= ticker.getHeight();
}
// TODO remove this StringComponent object when native UI is completed
StringComponent title = new StringComponent(getTitle());
y -= title.getHeight();
y -= 1;
if (y >= 0 && y < viewPortHeight) {
int pressedItem = choiceGroup.getItemIndexAt(x, y + viewPortY);
if (pressedItem != -1) {
if (choiceGroup.choiceType == Choice.MULTIPLE) {
setSelectedIndex(pressedItem, !isSelected(pressedItem));
} else {
setSelectedIndex(pressedItem, true);
}
initialPressedItem = pressedItem;
}
}
}
void pointerReleased(int x, int y) {
Ticker ticker = getTicker();
if (ticker != null) {
y -= ticker.getHeight();
}
// TODO remove this StringComponent object when native UI is completed
StringComponent title = new StringComponent(getTitle());
y -= title.getHeight();
y -= 1;
if (y >= 0 && y < viewPortHeight && choiceGroup.choiceType == Choice.IMPLICIT) {
int releasedItem = choiceGroup.getItemIndexAt(x, y + viewPortY);
if (releasedItem != -1) {
if (releasedItem == initialPressedItem && super.getCommandListener() != null
&& choiceGroup.choiceType == Choice.IMPLICIT) {
super.getCommandListener().commandAction(SELECT_COMMAND, this);
}
}
}
}
int paintContent(Graphics g) {
return choiceGroup.paint(g);
}
public int size() {
return choiceGroup.size();
}
void showNotify() {
super.showNotify();
if (ui.getClass().getName().equals("org.microemu.android.device.ui.AndroidListUI")) {
} else {
int selectedItemIndex = getSelectedIndex();
int heightToItem = choiceGroup.getHeightToItem(selectedItemIndex);
int heightAfterItem = heightToItem;
if (selectedItemIndex >= 0) {
heightAfterItem += choiceGroup.getItemHeight(selectedItemIndex);
}
if (viewPortY > heightToItem) {
viewPortY = heightToItem;
} else if ((viewPortY + viewPortHeight) < heightAfterItem) {
viewPortY = heightAfterItem - viewPortHeight;
}
}
}
int traverse(int gameKeyCode, int top, int bottom) {
int traverse = choiceGroup.traverse(gameKeyCode, top, bottom, true);
if (traverse == Item.OUTOFITEM) {
return 0;
} else {
return traverse;
}
}
}
