public void create(KindletContext context) {
this.context = context;
rootContainer = context.getRootContainer();
snakePanel = new GamePanel();
rootContainer.add(snakePanel, BorderLayout.CENTER);
rootContainer.setFocusTraversalKeysEnabled(false);
rootContainer.addKeyListener(snakePanel);
snakePanel.setFocusTraversalKeysEnabled(false);
snakePanel.addKeyListener(snakePanel);
KindletUIResources uiRes = context.getUIResources();
snakePanel.setTitleFont(uiRes.getFont(KFontFamilyName.SANS_SERIF, 48));
snakePanel.setSubTitleFont(uiRes.getFont(KFontFamilyName.SANS_SERIF, 20));
}
public SearchPanel(UIRoot root) {
this.root = root;
searchField = new KTextField(20);
final KButton searchBtn = new KButton("Search");
final KLabel label = new KLabel("Search:");
searchField.setBorder(new KLineBorder(1, true));
label.setFont(res.getFont(KFontFamilyName.MONOSPACE, 30));
resultPanel.setLayout(new GridLayout(DEFAULT_SEARCH_SIZE * 2, 1));
setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.anchor = GridBagConstraints.NORTH;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.gridx = 0;
gbc.gridy = 0;
gbc.weighty = 0;
gbc.weightx = 0;
gbc.insets = new Insets(10, 10, 10, 10);
add(label, gbc);
gbc.gridx = 1;
gbc.ipadx = 300;
add(searchField, gbc);
gbc.gridx = 2;
add(searchBtn, gbc);
// setup search panel.
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.gridy = 1;
gbc.gridx = 0;
gbc.gridwidth = 0;
gbc.weighty = 1.0;
gbc.weightx = 3;
gbc.ipady = 300;
gbc.insets = new Insets(25, 25, 25, 25);
add(resultPanel, gbc);
searchField.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
String searchTerm = searchField.getText();
searchField.setText("");
currentPage = 0;
currentSearch = searchTerm;
search(searchTerm);
searchField.repaint();
resultPanel.repaint();
}
});
root.searchPanel = this;
}
public class SearchPanel extends AbstractKPanel {
KTextField searchField;
KindletUIResources res = KindletUIResources.getInstance();
KPanel resultPanel = new KPanel();
private UIRoot root;
private String currentSearch;
private int currentPage = 0;
private int totalPages = 0;
public static final int DEFAULT_SEARCH_SIZE = 10;
Logger logger = Logger.getLogger(SearchPanel.class);
KeyEventDispatcher eventDispatcher =
new KeyEventDispatcher() {
public boolean dispatchKeyEvent(KeyEvent evt) {
if ((evt.getKeyCode() == KindleKeyCodes.VK_RIGHT_HAND_SIDE_TURN_PAGE
|| evt.getKeyCode() == KindleKeyCodes.VK_LEFT_HAND_SIDE_TURN_PAGE)
&& currentPage < totalPages) {
// pagination of search results
currentPage++;
search(currentSearch);
return true;
}
if (evt.getKeyCode() == KindleKeyCodes.VK_TURN_PAGE_BACK && currentPage > 0) {
// pagination of search results
currentPage--;
search(currentSearch);
return true;
}
return false;
}
};
public SearchPanel(UIRoot root) {
this.root = root;
searchField = new KTextField(20);
final KButton searchBtn = new KButton("Search");
final KLabel label = new KLabel("Search:");
searchField.setBorder(new KLineBorder(1, true));
label.setFont(res.getFont(KFontFamilyName.MONOSPACE, 30));
resultPanel.setLayout(new GridLayout(DEFAULT_SEARCH_SIZE * 2, 1));
setLayout(new GridBagLayout());
GridBagConstraints gbc = new GridBagConstraints();
gbc.anchor = GridBagConstraints.NORTH;
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.gridx = 0;
gbc.gridy = 0;
gbc.weighty = 0;
gbc.weightx = 0;
gbc.insets = new Insets(10, 10, 10, 10);
add(label, gbc);
gbc.gridx = 1;
gbc.ipadx = 300;
add(searchField, gbc);
gbc.gridx = 2;
add(searchBtn, gbc);
// setup search panel.
gbc.fill = GridBagConstraints.HORIZONTAL;
gbc.gridy = 1;
gbc.gridx = 0;
gbc.gridwidth = 0;
gbc.weighty = 1.0;
gbc.weightx = 3;
gbc.ipady = 300;
gbc.insets = new Insets(25, 25, 25, 25);
add(resultPanel, gbc);
searchField.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent arg0) {
String searchTerm = searchField.getText();
searchField.setText("");
currentPage = 0;
currentSearch = searchTerm;
search(searchTerm);
searchField.repaint();
resultPanel.repaint();
}
});
root.searchPanel = this;
}
public void search(String term) {
logger.info("Searcing for the term:" + term);
try {
KindletContext context = root.context;
context.getProgressIndicator().setString("Connecting");
new SearchHandler(term).connected();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
static String generateUrl(String searchTerm, int startIndex, int resultSize) {
String urlstr =
"http://export.arxiv.org/api/query?search_query="
+ searchTerm
+ "&start="
+ startIndex
+ "&max_results="
+ resultSize;
return urlstr;
}
public List searchUrl(String url) {
List results = new ArrayList();
try {
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
DocumentBuilder parser = factory.newDocumentBuilder();
Document document = parser.parse(url);
NodeList items = document.getChildNodes().item(0).getChildNodes();
for (int i = 0; i < items.getLength(); i++) {
Node item = items.item(i);
if (item.getNodeName().equals("opensearch:totalResults")) {
totalPages = Integer.parseInt(item.getTextContent()) / DEFAULT_SEARCH_SIZE;
logger.info("" + totalPages);
}
if (item.getNodeName().equals("entry")) {
NodeList childrens = item.getChildNodes();
String id = "";
String title = "";
String summary = "";
for (int j = 0; j < childrens.getLength(); j++) {
Node childItem = childrens.item(j);
if (childItem.getNodeName().equals("title")) {
title = childItem.getTextContent();
} else if (childItem.getNodeName().equals("summary")) {
summary = childItem.getTextContent();
} else if (childItem.getNodeName().equals("id")) {
id = Util.getIdFromUrl(childItem.getTextContent());
}
}
results.add(new Result(title, summary, id));
}
}
logger.info(results);
return results;
} catch (Exception e) {
logger.error("Error while searchUrl()");
}
return results;
}
/** Add a search result to display. */
public void addResult(final Result result, boolean focus) {
KWTSelectableLabel selectable = new KWTSelectableLabel(result.title);
selectable.addActionListener(
new ActionListener() {
public void actionPerformed(ActionEvent evt) {
// when the item is selected.
root.setCurrentPanel(root.moreInfoPanel);
root.moreInfoPanel.setResult(result);
}
});
resultPanel.add(selectable);
if (focus) {
selectable.requestFocus();
}
resultPanel.add(new KLabel(result.summary));
}
class SearchHandler implements ConnectivityHandler {
private String term;
public SearchHandler(String term) {
this.term = term;
}
public void connected() throws InterruptedException {
KindletContext context = root.context;
String url = generateUrl(term, currentPage * DEFAULT_SEARCH_SIZE, DEFAULT_SEARCH_SIZE);
context.getProgressIndicator().setString("");
final List results = searchUrl(url);
EventQueue.invokeLater(
new Runnable() {
public void run() {
resultPanel.removeAll();
for (int i = 0; i < results.size(); i++) {
Result item = (Result) results.get(i);
addResult(item, i == 0);
}
repaint();
}
});
}
public void disabled(NetworkDisabledDetails detail) throws InterruptedException {
// do nothing.
}
}
public Runnable onStart() {
return new Runnable() {
public void run() {
searchField.requestFocus();
// addResult(new Result("Foo", "Bar"));
// remove pagination listener
KeyboardFocusManager.getCurrentKeyboardFocusManager()
.addKeyEventDispatcher(eventDispatcher);
root.rootContainer.repaint();
}
};
}
public Runnable onStop() {
return new Runnable() {
public void run() {
// remove pagination listener
KeyboardFocusManager.getCurrentKeyboardFocusManager()
.removeKeyEventDispatcher(eventDispatcher);
}
};
}
}
