package be.nikiroo.jvcard.tui;
-import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
-import be.nikiroo.jvcard.Card;
-import be.nikiroo.jvcard.Contact;
-import be.nikiroo.jvcard.Data;
-import be.nikiroo.jvcard.i18n.Trans.StringId;
+import be.nikiroo.jvcard.launcher.Main;
+import be.nikiroo.jvcard.resources.StringUtils;
+import be.nikiroo.jvcard.resources.Trans.StringId;
import be.nikiroo.jvcard.tui.KeyAction.Mode;
import be.nikiroo.jvcard.tui.UiColors.Element;
import be.nikiroo.jvcard.tui.panes.ContactDetails;
+import be.nikiroo.jvcard.tui.panes.ContactDetailsRaw;
import be.nikiroo.jvcard.tui.panes.ContactList;
import be.nikiroo.jvcard.tui.panes.MainContent;
import com.googlecode.lanterna.gui2.LinearLayout;
import com.googlecode.lanterna.gui2.Panel;
import com.googlecode.lanterna.gui2.TextBox;
-import com.googlecode.lanterna.gui2.TextGUIGraphics;
import com.googlecode.lanterna.gui2.Window;
import com.googlecode.lanterna.input.KeyStroke;
import com.googlecode.lanterna.input.KeyType;
* @author niki
*
*/
+
public class MainWindow extends BasicWindow {
private List<KeyAction> defaultActions = new LinkedList<KeyAction>();
private List<KeyAction> actions = new LinkedList<KeyAction>();
private List<MainContent> contentStack = new LinkedList<MainContent>();
- private boolean waitForOneKeyAnswer;
- private KeyStroke questionKey; // key that "asked" a question, and to replay
- // later with an answer
+ private UserQuestion userQuestion;
private String titleCache;
private Panel titlePanel;
private Panel mainPanel;
private Panel actionPanel;
private Panel messagePanel;
private TextBox text;
- private int width;
+
+ /**
+ * Information about a question to ask the user and its answer.
+ *
+ * @author niki
+ *
+ */
+ private class UserQuestion {
+ private boolean oneKeyAnswer;
+ private KeyAction action;
+ private String answer;
+
+ /**
+ * Create a new {@link UserQuestion}.
+ *
+ * @param action
+ * the action that triggered the question
+ * @param oneKeyAnswer
+ * TRUE if we expect a one-key answer
+ */
+ public UserQuestion(KeyAction action, boolean oneKeyAnswer) {
+ this.action = action;
+ this.oneKeyAnswer = oneKeyAnswer;
+ }
+
+ /**
+ * Return the {@link KeyAction} that triggered the question.
+ *
+ * @return the {@link KeyAction}
+ */
+ public KeyAction getAction() {
+ return action;
+ }
+
+ /**
+ * Check if a one-key answer is expected.
+ *
+ * @return TRUE if a one-key answer is expected
+ */
+ public boolean isOneKeyAnswer() {
+ return oneKeyAnswer;
+ }
+
+ /**
+ * Return the user answer.
+ *
+ * @return the user answer
+ */
+ public String getAnswer() {
+ return answer;
+ }
+
+ /**
+ * Set the user answer.
+ *
+ * @param answer
+ * the new answer
+ */
+ public void setAnswer(String answer) {
+ this.answer = answer;
+ }
+ }
/**
* Create a new, empty window.
public MainWindow(MainContent content) {
super(content == null ? "" : content.getTitle());
- width = -1;
-
setHints(Arrays.asList(Window.Hint.FULL_SCREEN,
Window.Hint.NO_DECORATIONS, Window.Hint.FIT_TERMINAL_WINDOW));
* {@link MainWindow#handleQuestion}. The user will be asked to enter some
* answer and confirm with ENTER.
*
+ * @param action
+ * the related action
* @param question
* the question to ask
* @param initial
* the initial answer if any (to be edited by the user)
*/
- public void setQuestion(KeyStroke key, String question, String initial) {
- setQuestion(key, question, initial, false);
+ public void setQuestion(KeyAction action, String question, String initial) {
+ setQuestion(action, question, initial, false);
}
/**
* {@link MainWindow#handleQuestion}. The user will be asked to hit one key
* as an answer.
*
+ * @param action
+ * the related action
* @param question
* the question to ask
*/
- public void setQuestion(KeyStroke key, String question) {
- setQuestion(key, question, null, true);
- }
-
- @Override
- public void draw(TextGUIGraphics graphics) {
- int width = graphics.getSize().getColumns();
-
- if (width != this.width) {
- this.width = width;
-
- setTitle();
-
- if (actions != null)
- setActions(new ArrayList<KeyAction>(actions), false);
- }
-
- super.draw(graphics);
- }
-
- @Override
- public void invalidate() {
- super.invalidate();
- for (MainContent content : contentStack) {
- content.invalidate();
- }
+ public void setQuestion(KeyAction action, String question) {
+ setQuestion(action, question, null, true);
}
/**
* Show a question to the user and switch to "ask for answer" mode see
* {@link MainWindow#handleQuestion}.
*
+ * @param action
+ * the related action
* @param question
* the question to ask
* @param initial
* TRUE for a one-key answer, FALSE for a text answer validated
* by ENTER
*/
- private void setQuestion(KeyStroke key, String question, String initial,
+ private void setQuestion(KeyAction action, String question, String initial,
boolean oneKey) {
- questionKey = key;
- waitForOneKeyAnswer = oneKey;
+ userQuestion = new UserQuestion(action, oneKey);
messagePanel.removeAllComponents();
Label lbl = UiColors.Element.LINE_MESSAGE_QUESTION.createLabel(" "
+ question + " ");
- text = new TextBox(new TerminalSize(width - lbl.getSize().getColumns(),
- 1));
- if (initial != null)
- text.setText(initial);
+ text = new TextBox(new TerminalSize(getSize().getColumns()
+ - lbl.getSize().getColumns(), 1));
+
+ if (initial != null) {
+ // add all chars one by one so the caret is at the end
+ for (int index = 0; index < initial.length(); index++) {
+ text.handleInput(new KeyStroke(initial.charAt(index), false,
+ false));
+ }
+ }
hpanel.addComponent(lbl,
LinearLayout.createLayoutData(LinearLayout.Alignment.Beginning));
text.takeFocus();
}
+ /**
+ * Refresh the window and the empty-space handling. You should call this
+ * method when the window size changed.
+ *
+ * @param size
+ * the new size of the window
+ */
+ public void refresh(TerminalSize size) {
+ if (size == null)
+ return;
+
+ if (getSize() == null || !getSize().equals(size))
+ setSize(size);
+
+ setTitle();
+
+ if (actions != null)
+ setActions(new ArrayList<KeyAction>(actions), false);
+
+ invalidate();
+ }
+
+ @Override
+ public void invalidate() {
+ super.invalidate();
+ for (MainContent content : contentStack) {
+ content.invalidate();
+ }
+ }
+
+ @Override
+ public boolean handleInput(KeyStroke key) {
+ boolean handled = false;
+
+ if (userQuestion != null) {
+ handled = handleQuestion(userQuestion, key);
+ if (handled) {
+ if (userQuestion.getAnswer() != null) {
+ handleAction(userQuestion.getAction(),
+ userQuestion.getAnswer());
+
+ userQuestion = null;
+ }
+ }
+ } else {
+ handled = handleKey(key);
+ }
+
+ if (!handled) {
+ handled = super.handleInput(key);
+ }
+
+ return handled;
+ }
+
/**
* Actually set the title <b>inside</b> the window. Will also call
- * {@link BasicWindow#setTitle} with the compuited parameters.
+ * {@link BasicWindow#setTitle} with the computed parameters.
*/
private void setTitle() {
String prefix = " " + Main.APPLICATION_TITLE + " (version "
if (title.length() > 0) {
prefix = prefix + ": ";
+ title = StringUtils.sanitize(title, Main.isUnicode());
}
String countStr = "";
countStr = "[" + count + "]";
}
+ int width = -1;
+ if (getSize() != null) {
+ width = getSize().getColumns();
+ }
+
if (width > 0) {
int padding = width - prefix.length() - title.length()
- countStr.length();
actionPanel.removeAllComponents();
for (KeyAction action : this.actions) {
- String trans = " " + action.getStringId().trans() + " ";
+ String trans = " " + Main.trans(action.getStringId()) + " ";
if (" ".equals(trans))
continue;
- String keyTrans = "";
- switch (action.getKey().getKeyType()) {
- case Enter:
- keyTrans = " ⤶ ";
- break;
- case Tab:
- keyTrans = " ↹ ";
- break;
- case Character:
- keyTrans = " " + action.getKey().getCharacter() + " ";
- break;
- default:
- keyTrans = "" + action.getKey().getKeyType();
- int width = 3;
- if (keyTrans.length() > width) {
- keyTrans = keyTrans.substring(0, width);
- } else if (keyTrans.length() < width) {
- keyTrans = keyTrans
- + new String(new char[width - keyTrans.length()])
- .replace('\0', ' ');
- }
- break;
- }
+ String keyTrans = KeyAction.trans(action.getKey());
Panel kPane = new Panel();
LinearLayout layout = new LinearLayout(Direction.HORIZONTAL);
}
// fill with "desc" colour
+ int width = -1;
+ if (getSize() != null) {
+ width = getSize().getColumns();
+ }
+
if (width > 0) {
actionPanel.addComponent(UiColors.Element.ACTION_DESC
.createLabel(StringUtils.padString("", width)));
-
}
}
/**
* Handle user input when in "ask for question" mode (see
- * {@link MainWindow#questionKey}).
+ * {@link MainWindow#userQuestion}).
*
+ * @param userQuestion
+ * the question data
* @param key
* the key that has been pressed by the user
*
- * @return the user's answer if done
+ * @return TRUE if the {@link KeyStroke} was handled
*/
- private String handleQuestion(KeyStroke key) {
- String answer = null;
+ private boolean handleQuestion(UserQuestion userQuestion, KeyStroke key) {
+ userQuestion.setAnswer(null);
- if (waitForOneKeyAnswer) {
- answer = "" + key.getCharacter();
+ if (userQuestion.isOneKeyAnswer()) {
+ userQuestion.setAnswer("" + key.getCharacter());
} else {
- if (key.getKeyType() == KeyType.Enter) {
+ // ^h == Backspace
+ if (key.isCtrlDown() && key.getCharacter() == 'h') {
+ key = new KeyStroke(KeyType.Backspace);
+ }
+
+ switch (key.getKeyType()) {
+ case Enter:
if (text != null)
- answer = text.getText();
+ userQuestion.setAnswer(text.getText());
else
- answer = "";
+ userQuestion.setAnswer("");
+ break;
+ case Backspace:
+ int pos = text.getCaretPosition().getColumn();
+ if (pos > 0) {
+ String current = text.getText();
+ // force caret one space before:
+ text.setText(current.substring(0, pos - 1));
+ // re-add full text:
+ text.setText(current.substring(0, pos - 1)
+ + current.substring(pos));
+ }
+ return true;
+ default:
+ // Do nothing (continue entering text)
+ break;
}
}
- if (answer != null) {
+ if (userQuestion.getAnswer() != null) {
Interactable focus = null;
MainContent content = getContent();
if (content != null)
focus = content.nextFocus(null);
focus.takeFocus();
+
+ return true;
}
- return answer;
+ return false;
}
/**
*
* @return if the window handled the input
*/
- private boolean handleInput(KeyStroke key, String answer) {
+ private boolean handleKey(KeyStroke key) {
boolean handled = false;
- // reset the message pane if no answers are pending
- if (answer == null) {
- if (setMessage(null, false))
- return true;
- }
+ if (setMessage(null, false))
+ return true;
for (KeyAction action : actions) {
if (!action.match(key))
continue;
- MainContent content = getContent();
handled = true;
if (action.onAction()) {
- Card card = action.getCard();
- Contact contact = action.getContact();
- Data data = action.getData();
-
- switch (action.getMode()) {
- case MOVE:
- int x = 0;
- int y = 0;
-
- if (action.getKey().getKeyType() == KeyType.ArrowUp)
- x = -1;
- if (action.getKey().getKeyType() == KeyType.ArrowDown)
- x = 1;
- if (action.getKey().getKeyType() == KeyType.ArrowLeft)
- y = -1;
- if (action.getKey().getKeyType() == KeyType.ArrowRight)
- y = 1;
-
- if (content != null) {
- String err = content.move(x, y);
- if (err != null)
- setMessage(err, true);
- }
-
- break;
- // mode with windows:
- case CONTACT_LIST:
- if (card != null) {
- pushContent(new ContactList(card));
- }
- break;
- case CONTACT_DETAILS:
- if (contact != null) {
- pushContent(new ContactDetails(contact));
- }
- break;
- // mode interpreted by MainWindow:
- case HELP:
- // TODO
- // setMessage("Help! I need somebody! Help!", false);
- if (answer == null) {
- setQuestion(key, "Test question?", "[initial]");
- } else {
- setMessage("You answered: " + answer, false);
- }
-
- break;
- case BACK:
- String warning = content.getExitWarning();
- if (warning != null) {
- if (answer == null) {
- setQuestion(key, warning);
- } else {
- setMessage(null, false);
- if (answer.equalsIgnoreCase("y")) {
- popContent();
- }
- }
- } else {
- popContent();
- }
-
- if (contentStack.size() == 0) {
- close();
- }
-
- break;
- // action modes:
- case EDIT_DETAIL:
- if (answer == null) {
- if (data != null) {
- String name = data.getName();
- String value = data.getValue();
- setQuestion(key, name, value);
- }
- } else {
- setMessage(null, false);
- data.setValue(answer);
- }
- break;
- case DELETE_CONTACT:
- if (answer == null) {
- if (contact != null) {
- setQuestion(key, "Delete contact? [Y/N]");
- }
- } else {
- setMessage(null, false);
- if (answer.equalsIgnoreCase("y")) {
- if (contact.delete()) {
- content.refreshData();
- invalidate();
- setTitle();
- } else {
- setMessage("Cannot delete this contact", true);
- }
- }
- }
- break;
- case SAVE_CARD:
- if (answer == null) {
- if (card != null) {
- setQuestion(key, "Save changes? [Y/N]");
- }
- } else {
- setMessage(null, false);
- if (answer.equalsIgnoreCase("y")) {
- boolean ok = false;
- try {
- if (card.save()) {
- ok = true;
- invalidate();
- }
- } catch (IOException ioe) {
- ioe.printStackTrace();
- }
-
- if (!ok) {
- setMessage("Cannot save to file", true);
- }
- }
- }
- break;
- default:
- case NONE:
- break;
- }
+ handleAction(action, null);
}
break;
return handled;
}
- @Override
- public boolean handleInput(KeyStroke key) {
- boolean handled = false;
+ /**
+ * Handle the input in case of "normal" (not "ask for answer") mode.
+ *
+ * @param key
+ * the key that was pressed
+ * @param answer
+ * the answer given for this key
+ *
+ * @return if the window handled the input
+ */
+ private void handleAction(KeyAction action, String answer) {
+ MainContent content = getContent();
- if (questionKey != null) {
- String answer = handleQuestion(key);
- if (answer != null) {
- handled = true;
+ switch (action.getMode()) {
+ case MOVE:
+ int x = 0;
+ int y = 0;
+
+ if (action.getKey().getKeyType() == KeyType.ArrowUp)
+ x = -1;
+ if (action.getKey().getKeyType() == KeyType.ArrowDown)
+ x = 1;
+ if (action.getKey().getKeyType() == KeyType.ArrowLeft)
+ y = -1;
+ if (action.getKey().getKeyType() == KeyType.ArrowRight)
+ y = 1;
+
+ if (content != null) {
+ String err = content.move(x, y);
+ if (err != null)
+ setMessage(err, true);
+ }
- key = questionKey;
- questionKey = null;
+ break;
+ // mode with windows:
+ case CONTACT_LIST:
+ if (action.getCard() != null) {
+ pushContent(new ContactList(action.getCard()));
+ }
+ break;
+ case CONTACT_DETAILS:
+ if (action.getContact() != null) {
+ pushContent(new ContactDetails(action.getContact()));
+ }
+ break;
+ case CONTACT_DETAILS_RAW:
+ if (action.getContact() != null) {
+ pushContent(new ContactDetailsRaw(action.getContact()));
+ }
+ break;
+ // mode interpreted by MainWindow:
+ case HELP:
+ // TODO
+ setMessage("Help! I need somebody! Help!", false);
- handleInput(key, answer);
+ break;
+ case BACK:
+ String warning = content.getExitWarning();
+ if (warning != null) {
+ if (answer == null) {
+ setQuestion(action, warning);
+ } else {
+ setMessage(null, false);
+ if (answer.equalsIgnoreCase("y")) {
+ popContent();
+ }
+ }
+ } else {
+ popContent();
}
- } else {
- handled = handleInput(key, null);
- }
- if (!handled)
- handled = super.handleInput(key);
+ if (contentStack.size() == 0) {
+ close();
+ }
- return handled;
+ break;
+ // action modes:
+ case ASK_USER:
+ if (answer == null) {
+ setQuestion(action, action.getQuestion(),
+ action.getDefaultAnswer());
+ } else {
+ setMessage(action.callback(answer), true);
+ content.refreshData();
+ invalidate();
+ setTitle();
+ }
+ break;
+ case ASK_USER_KEY:
+ if (answer == null) {
+ setQuestion(action, action.getQuestion());
+ } else {
+ setMessage(action.callback(answer), true);
+ content.refreshData();
+ invalidate();
+ setTitle();
+ }
+ break;
+ default:
+ case NONE:
+ break;
+ }
}
}
git://git.nikiroo.be / jvcard.git / blobdiff