X-Git-Url: http://git.nikiroo.be/?a=blobdiff_plain;f=src%2Fbe%2Fnikiroo%2Fjvcard%2Ftui%2FMainWindow.java;h=459d1b1a4dabfea6a13dd6049c2afce3c1d95b5c;hb=bcb54330afff6a443ab43ee3d38cc7f863c701b7;hp=7f438d918a717792f2686d6a86379c8949d74dd2;hpb=fae07ea7af01c64ca1a858db75a615555318d5e2;p=jvcard.git diff --git a/src/be/nikiroo/jvcard/tui/MainWindow.java b/src/be/nikiroo/jvcard/tui/MainWindow.java index 7f438d9..459d1b1 100644 --- a/src/be/nikiroo/jvcard/tui/MainWindow.java +++ b/src/be/nikiroo/jvcard/tui/MainWindow.java @@ -1,12 +1,14 @@ 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.i18n.Trans; +import be.nikiroo.jvcard.Data; import be.nikiroo.jvcard.i18n.Trans.StringId; import be.nikiroo.jvcard.tui.KeyAction.Mode; import be.nikiroo.jvcard.tui.UiColors.Element; @@ -29,8 +31,8 @@ import com.googlecode.lanterna.input.KeyStroke; import com.googlecode.lanterna.input.KeyType; /** - * This is the main "window" of the program. It will host one - * {@link MainContent} at any one time. + * This is the main "window" of the program. It can show up to one + * {@link MainContent} at any one time, but keeps a stack of contents. * * @author niki * @@ -38,25 +40,37 @@ import com.googlecode.lanterna.input.KeyType; public class MainWindow extends BasicWindow { private List defaultActions = new LinkedList(); private List actions = new LinkedList(); - private List content = new LinkedList(); - private boolean actionsPadded; - private Boolean waitForOneKeyAnswer; // true, false, (null = do not wait for - // an answer) - private String title; + private List contentStack = new LinkedList(); + private boolean waitForOneKeyAnswer; + private KeyStroke questionKey; // key that "asked" a question, and to replay + // later with an answer + private String titleCache; private Panel titlePanel; private Panel mainPanel; private Panel contentPanel; private Panel actionPanel; private Panel messagePanel; private TextBox text; + private int width; + /** + * Create a new, empty window. + */ public MainWindow() { this(null); } + /** + * Create a new window hosting the given content. + * + * @param content + * the content to host + */ 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)); @@ -80,15 +94,14 @@ public class MainWindow extends BasicWindow { llayout.setSpacing(0); actionPanel.setLayoutManager(llayout); - llayout = new LinearLayout(Direction.VERTICAL); - llayout.setSpacing(0); - titlePanel.setLayoutManager(llayout); + BorderLayout blayout = new BorderLayout(); + titlePanel.setLayoutManager(blayout); llayout = new LinearLayout(Direction.VERTICAL); llayout.setSpacing(0); messagePanel.setLayoutManager(llayout); - BorderLayout blayout = new BorderLayout(); + blayout = new BorderLayout(); mainPanel.setLayoutManager(blayout); blayout = new BorderLayout(); @@ -112,77 +125,266 @@ public class MainWindow extends BasicWindow { setComponent(mainPanel); } + /** + * "push" some content to the window stack. + * + * @param content + * the new top-of-the-stack content + */ public void pushContent(MainContent content) { List actions = null; - String title = null; contentPanel.removeAllComponents(); if (content != null) { - title = content.getTitle(); actions = content.getKeyBindings(); contentPanel.addComponent(content, BorderLayout.Location.CENTER); - this.content.add(content); + this.contentStack.add(content); + + Interactable focus = content.nextFocus(null); + if (focus != null) + focus.takeFocus(); } - setTitle(title); - setActions(actions, true, true); - invalidate(); + setTitle(); + setActions(actions, true); } /** - * Set the application title. + * "pop" the latest, top-of-the-stack content from the window stack. * - * @param title - * the new title or NULL for the default title + * @return the removed content if any */ - public void setTitle(String title) { - if (title == null) { - title = Trans.StringId.TITLE.trans(); - } + public MainContent popContent() { + MainContent removed = null; + MainContent prev = null; + + MainContent content = getContent(); + if (content != null) + removed = contentStack.remove(contentStack.size() - 1); + + if (contentStack.size() > 0) + prev = contentStack.remove(contentStack.size() - 1); - if (!title.equals(this.title)) { - super.setTitle(title); - this.title = title; + pushContent(prev); + + return removed; + } + + /** + * Show the given message on screen. It will disappear at the next action. + * + * @param mess + * the message to display + * @param error + * TRUE for an error message, FALSE for an information message + * + * @return TRUE if changes were performed + */ + public boolean setMessage(String mess, boolean error) { + if (mess != null || messagePanel.getChildCount() > 0) { + messagePanel.removeAllComponents(); + if (mess != null) { + Element element = (error ? UiColors.Element.LINE_MESSAGE_ERR + : UiColors.Element.LINE_MESSAGE); + Label lbl = element.createLabel(" " + mess + " "); + messagePanel.addComponent(lbl, LinearLayout + .createLayoutData(LinearLayout.Alignment.Center)); + } + return true; } - Label lbl = new Label(title); - titlePanel.removeAllComponents(); + return false; + } - titlePanel.addComponent(lbl, LinearLayout - .createLayoutData(LinearLayout.Alignment.Center)); + /** + * Show a question to the user and switch to "ask for answer" mode see + * {@link MainWindow#handleQuestion}. The user will be asked to enter some + * answer and confirm with ENTER. + * + * @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); + } + + /** + * Show a question to the user and switch to "ask for answer" mode see + * {@link MainWindow#handleQuestion}. The user will be asked to hit one key + * as an answer. + * + * @param question + * the question to ask + */ + public void setQuestion(KeyStroke key, String question) { + setQuestion(key, question, null, true); } @Override public void draw(TextGUIGraphics graphics) { - setTitle(title); - if (!actionsPadded) { - // fill with "desc" colour - actionPanel.addComponent(UiColors.Element.ACTION_DESC - .createLabel(StringUtils.padString("", graphics.getSize() - .getColumns()))); - actionsPadded = true; + int width = graphics.getSize().getColumns(); + + if (width != this.width) { + this.width = width; + + setTitle(); + + if (actions != null) + setActions(new ArrayList(actions), false); } + super.draw(graphics); } - public MainContent popContent() { - MainContent removed = null; - MainContent prev = null; - if (content.size() > 0) - removed = content.remove(content.size() - 1); - if (content.size() > 0) - prev = content.remove(content.size() - 1); - pushContent(prev); + @Override + public void invalidate() { + super.invalidate(); + for (MainContent content : contentStack) { + content.invalidate(); + } + } - return removed; + /** + * Show a question to the user and switch to "ask for answer" mode see + * {@link MainWindow#handleQuestion}. + * + * @param question + * the question to ask + * @param initial + * the initial answer if any (to be edited by the user) + * @param oneKey + * TRUE for a one-key answer, FALSE for a text answer validated + * by ENTER + */ + private void setQuestion(KeyStroke key, String question, String initial, + boolean oneKey) { + questionKey = key; + waitForOneKeyAnswer = oneKey; + + messagePanel.removeAllComponents(); + + Panel hpanel = new Panel(); + LinearLayout llayout = new LinearLayout(Direction.HORIZONTAL); + llayout.setSpacing(0); + hpanel.setLayoutManager(llayout); + + 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); + + hpanel.addComponent(lbl, + LinearLayout.createLayoutData(LinearLayout.Alignment.Beginning)); + hpanel.addComponent(text, + LinearLayout.createLayoutData(LinearLayout.Alignment.Fill)); + + messagePanel + .addComponent(hpanel, LinearLayout + .createLayoutData(LinearLayout.Alignment.Beginning)); + + text.takeFocus(); } - private void setActions(List actions, boolean allowKeys, - boolean enableDefaultactions) { + /** + * Actually set the title inside the window. Will also call + * {@link BasicWindow#setTitle} with the compuited parameters. + */ + private void setTitle() { + String prefix = " " + Main.APPLICATION_TITLE + " (version " + + Main.APPLICATION_VERSION + ")"; + + String title = null; + int count = -1; + + MainContent content = getContent(); + if (content != null) { + title = content.getTitle(); + count = content.getCount(); + } + + if (title == null) + title = ""; + + if (title.length() > 0) { + prefix = prefix + ": "; + } + + String countStr = ""; + if (count > -1) { + countStr = "[" + count + "]"; + } + + if (width > 0) { + int padding = width - prefix.length() - title.length() + - countStr.length(); + if (padding > 0) { + if (title.length() > 0) + title = StringUtils.padString(title, title.length() + + padding); + else + prefix = StringUtils.padString(prefix, prefix.length() + + padding); + } + } + + String titleCache = prefix + title + count; + if (!titleCache.equals(this.titleCache)) { + super.setTitle(prefix); + Label lblPrefix = new Label(prefix); + UiColors.Element.TITLE_MAIN.themeLabel(lblPrefix); + + Label lblTitle = null; + if (title.length() > 0) { + lblTitle = new Label(title); + UiColors.Element.TITLE_VARIABLE.themeLabel(lblTitle); + } + + Label lblCount = null; + if (countStr != null) { + lblCount = new Label(countStr); + UiColors.Element.TITLE_COUNT.themeLabel(lblCount); + } + + titlePanel.removeAllComponents(); + + titlePanel.addComponent(lblPrefix, BorderLayout.Location.LEFT); + if (lblTitle != null) + titlePanel.addComponent(lblTitle, BorderLayout.Location.CENTER); + if (lblCount != null) + titlePanel.addComponent(lblCount, BorderLayout.Location.RIGHT); + } + } + + /** + * Return the current {@link MainContent} from the stack if any. + * + * @return the current {@link MainContent} + */ + private MainContent getContent() { + if (contentStack.size() > 0) { + return contentStack.get(contentStack.size() - 1); + } + + return null; + } + + /** + * Update the list of actions and refresh the action panel. + * + * @param actions + * the list of actions to support + * @param enableDefaultactions + * TRUE to enable the default actions + */ + private void setActions(List actions, + boolean enableDefaultactions) { this.actions.clear(); - actionsPadded = false; - + if (enableDefaultactions) this.actions.addAll(defaultActions); @@ -231,54 +433,24 @@ public class MainWindow extends BasicWindow { actionPanel.addComponent(kPane); } - } - - /** - * Show the given message on screen. It will disappear at the next action. - * - * @param mess - * the message to display - * @param error - * TRUE for an error message, FALSE for an information message - */ - public void setMessage(String mess, boolean error) { - messagePanel.removeAllComponents(); - if (mess != null) { - Element element = (error ? UiColors.Element.LINE_MESSAGE_ERR - : UiColors.Element.LINE_MESSAGE); - Label lbl = element.createLabel(" " + mess + " "); - messagePanel.addComponent(lbl, LinearLayout - .createLayoutData(LinearLayout.Alignment.Center)); - } - } - public void setQuestion(String mess, boolean oneKey) { - messagePanel.removeAllComponents(); - if (mess != null) { - waitForOneKeyAnswer = oneKey; - - Panel hpanel = new Panel(); - LinearLayout llayout = new LinearLayout(Direction.HORIZONTAL); - llayout.setSpacing(0); - hpanel.setLayoutManager(llayout); - - Label lbl = UiColors.Element.LINE_MESSAGE_QUESTION.createLabel(" " - + mess + " "); - text = new TextBox(new TerminalSize(getSize().getColumns() - - lbl.getSize().getColumns(), 1)); - - hpanel.addComponent(lbl, LinearLayout - .createLayoutData(LinearLayout.Alignment.Beginning)); - hpanel.addComponent(text, LinearLayout - .createLayoutData(LinearLayout.Alignment.Fill)); - - messagePanel.addComponent(hpanel, LinearLayout - .createLayoutData(LinearLayout.Alignment.Beginning)); + // fill with "desc" colour + if (width > 0) { + actionPanel.addComponent(UiColors.Element.ACTION_DESC + .createLabel(StringUtils.padString("", width))); - text.takeFocus(); } } + /** + * Handle user input when in "ask for question" mode (see + * {@link MainWindow#questionKey}). + * + * @param key + * the key that has been pressed by the user + * + * @return the user's answer if done + */ private String handleQuestion(KeyStroke key) { String answer = null; @@ -295,9 +467,9 @@ public class MainWindow extends BasicWindow { if (answer != null) { Interactable focus = null; - if (this.content.size() > 0) - // focus = content.get(0).getDefaultFocusElement(); - focus = content.get(0).nextFocus(null); + MainContent content = getContent(); + if (content != null) + focus = content.nextFocus(null); focus.takeFocus(); } @@ -305,83 +477,183 @@ public class MainWindow extends BasicWindow { return answer; } - @Override - public boolean handleInput(KeyStroke key) { + /** + * 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 boolean handleInput(KeyStroke key, String answer) { boolean handled = false; - if (waitForOneKeyAnswer != null) { - String answer = handleQuestion(key); - if (answer != null) { - waitForOneKeyAnswer = null; - setMessage("ANS: " + answer, false); + // reset the message pane if no answers are pending + if (answer == null) { + if (setMessage(null, false)) + return true; + } - handled = true; - } - } else { - setMessage(null, false); + for (KeyAction action : actions) { + if (!action.match(key)) + continue; - 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); + } - handled = 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); + } - if (action.onAction()) { - 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.size() > 0) { - String err = content.get(content.size() - 1).move( - x, y); - if (err != null) - setMessage(err, true); + 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(); + } - break; - // mode with windows: - case CONTACT_LIST: - Card card = action.getCard(); - if (card != null) { - pushContent(new ContactList(card)); + 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); } - break; - case CONTACT_DETAILS: - Contact contact = action.getContact(); + } else { + setMessage(null, false); + data.setValue(answer); + } + break; + case DELETE_CONTACT: + if (answer == null) { if (contact != null) { - pushContent(new ContactDetails(contact)); + 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; - // mode interpreted by MainWindow: - case HELP: - // TODO - // setMessage("Help! I need somebody! Help!", false); - setQuestion("Test question?", false); - handled = true; - break; - case BACK: - popContent(); - if (content.size() == 0) - close(); - break; - default: - case NONE: - break; } + break; + default: + case NONE: + break; } + } - break; + break; + } + + return handled; + } + + @Override + public boolean handleInput(KeyStroke key) { + boolean handled = false; + + if (questionKey != null) { + String answer = handleQuestion(key); + if (answer != null) { + handled = true; + + key = questionKey; + questionKey = null; + + handleInput(key, answer); } + } else { + handled = handleInput(key, null); } if (!handled)