Examples of javax.microedition.lcdui.List

javax.microedition.lcdui.List

items as List elements List menuList = new List("Menu", List.IMPLICIT, elements, null); Command selectCommand = new Command("Open", Command.ITEM, 1); menuList.setSelectCommand(selectCommand); menuList.setCommandListener(...);

The listener can query the List to determine which element is selected and then perform the corresponding action. Note that setting a command as the select command adds it to the List as a side effect.

The select command should be considered as a default operation that takes place when a select key is pressed. For example, a List displaying email headers might have three operations: read, reply, and delete. Read is considered to be the default operation.

 List list = new List("Email", List.IMPLICIT, headers); readCommand = new Command("Read", Command.ITEM, 1); replyCommand = new Command("Reply", Command.ITEM, 2); deleteCommand = new Command("Delete", Command.ITEM, 3); list.setSelectCommand(readCommand); list.addCommand(replyCommand); list.addCommand(deleteCommand); list.setCommandListener(...);

On a device with a dedicated select key, pressing this key will invoke readCommand. On a device without a select key, the user is still able to invoke the read command, since it is also provided as an ordinary Command.

It should be noted that this kind of default operation must be used carefully, and the usability of the resulting user interface must always kept in mind. The default operation should always be the most intuitive operation on a particular List.

@since MIDP 1.0


    private List getRecentContactsList()
    {
        if(recentContacts == null)
        {
            recentContacts = new List("Recent Contacts", List.IMPLICIT);
            recentContacts.addCommand(getOKCmd());
            recentContacts.addCommand(getBackCmd());
            recentContacts.setSelectCommand(OKCmd);
            recentContacts.setCommandListener(this);
        }

View Full Code Here


    private List getRecentContactsList()
    {
        if(recentContacts == null)
        {
            recentContacts = new List("Recent Contacts", List.IMPLICIT);
            recentContacts.addCommand(getOKCmd());
            recentContacts.addCommand(getBackCmd());
            recentContacts.setSelectCommand(OKCmd);
            recentContacts.setCommandListener(this);
        }

View Full Code Here


    private List getErrorList()
    {
        if(errorForm == null)
        {
            errorForm = new List("Errors", Choice.IMPLICIT);
            errorForm.addCommand(OKCmd);
            errorForm.addCommand(getClearCmd());
            errorForm.addCommand(backCmd);
            errorForm.setSelectCommand(OKCmd);
            errorForm.setCommandListener(this);

View Full Code Here

        optGenSwitches.setSelectedIndex(GEN_OPT_SOUND, true);
        optCommentFontSize = new TextField(T._("Comment font size"), "14", 2, TextField.NUMERIC);
        optGenForm.append(optGenSwitches);
        optGenForm.append(optCommentFontSize);


        optForm = new List(T._("Options"), Choice.IMPLICIT, optGroupList, null);
        optForm.setCommandListener(this);
        optForm.addCommand(backCommand);
        optForm.addCommand(selectCommand);


        // -- In-game submenus -------------------------------------------
        igProblemMenuList = new List(T._("Problem"), Choice.IMPLICIT, igProblemMenuItems, null);
        igProblemMenuList.setCommandListener(this);
        igProblemMenuList.addCommand(backCommand);
        igPlayMenuList = new List(T._("Play"), Choice.IMPLICIT, igPlayMenuItems, null);
        igPlayMenuList.setCommandListener(this);
        igPlayMenuList.addCommand(backCommand);
        igViewMenuList = new List(T._("View"), Choice.IMPLICIT, igViewMenuItems, null);
        igViewMenuList.setCommandListener(this);
        igViewMenuList.addCommand(backCommand);
        igScoreMenuList = new List(T._("Score"), Choice.IMPLICIT, igScoreMenuItems, null);
        igScoreMenuList.setCommandListener(this);
        igScoreMenuList.addCommand(backCommand);


        // -- Problem filter ---------------------------------------------
        probFilterForm = new Form(T._("Problem filter"));
        probFilterForm.setCommandListener(this);
        if (fileSelectScreen != null)
            probFilterForm.addCommand(updPathsCommand);
        probFilterForm.addCommand(startCommand);
        probFilterForm.addCommand(backCommand);


        probFilterGenre = new ChoiceGroup(T._("Genre"), Choice.POPUP);
        //probFilterGenre.setSelectedIndex(0, true);
        probFilterDiffFrom = new ChoiceGroup(T._("Difficulty From"), Choice.POPUP, levelList, null);
        probFilterDiffFrom.setSelectedIndex(0, true);
        probFilterDiffTo = new ChoiceGroup(T._("Difficulty To"), ChoiceGroup.POPUP, levelList, null);
        probFilterDiffTo.setSelectedIndex(0, true);
        probFilterDiffTo.setSelectedIndex(levelList.length - 1, true);
        probFilterSortByGenre = new ChoiceGroup(T._("Sort By Genre"), ChoiceGroup.POPUP, sortList, null);
        probFilterSortByGenre.setSelectedIndex(0, true);
        probFilterSortByDifficulty = new ChoiceGroup(T._("Sort By Difficulty"), ChoiceGroup.POPUP, sortList, null);
        probFilterSortByDifficulty.setSelectedIndex(0, true);
        probFilterSortByPopularity = new ChoiceGroup(T._("Sort By Popularity"), ChoiceGroup.POPUP, sortList, null);
        probFilterSortByPopularity.setSelectedIndex(0, true);
        probFilterShow = new ChoiceGroup(T._("Show"), ChoiceGroup.MULTIPLE, showList, null);
        probFilterShow.setSelectedIndex(0, true);
        probFilterShow.setSelectedIndex(2, true);
        probFilterShow.setSelectedIndex(3, true);
        probFilterPath = new ChoiceGroup(T._("Path"), ChoiceGroup.MULTIPLE);


        probFilterForm.append(probFilterGenre);
        probFilterForm.append(probFilterDiffFrom);
        probFilterForm.append(probFilterDiffTo);
        probFilterForm.append(probFilterShow);
        probFilterForm.append(probFilterSortByGenre);
        probFilterForm.append(probFilterSortByPopularity);
        probFilterForm.append(probFilterSortByDifficulty);
        probFilterForm.append(probFilterPath);


        probPathList = new List(T._("Problem Paths"), List.IMPLICIT);
        probPathList.addCommand(addCommand);
        probPathList.addCommand(removeCommand);
        probPathList.addCommand(removeAllCommand);
        probPathList.addCommand(backCommand);
        probPathList.setSelectCommand(removeCommand);

View Full Code Here

                    setCurrent(optProbForm);
                    break;
            }
        } else if (d == igProblemMenuList || d == igPlayMenuList
                || d == igViewMenuList || d == igScoreMenuList) {
            List l = (List) d;
            String s = l.getString(l.getSelectedIndex());
            if (s == igMenuMain)
                setCurrent(this);
            else if (s == igMenuPass)
                listener.igMenuPass();
            /*else if (s == igMenuFreePlay)

View Full Code Here

            }
        }).start();
    }


    void probRemovePath() {
        List l = (List) display.getCurrent();
        int i = l.getSelectedIndex();
        if (i >= 0) {
            try {
                String path = l.getString(i);
                pdb.removePath(path);
                listener.mainMenuInvalidateProblems();
                probUpdateFromPDB();
            } catch (Exception e) {
                probError(T._("Unable to remove path!"), e, null);

View Full Code Here

        }).start();
    }


    public void commandAction(Command c, Displayable d) {
        if (c == selectCommand || c == upCommand) {
            List curr = (List) d;
            final String currFile;
            if (c == upCommand)
                currFile = UP_DIRECTORY;
            else
                currFile = curr.getString(curr.getSelectedIndex());
            if (currFile.endsWith(FilePath.separator) || currFile.equals(UP_DIRECTORY))
                new Thread(new Runnable() {
                    public void run() {
                        traverseDirectory(currFile);
                    }
                }).start();
            else
                selectFile(currFile, selectCommand);
        } else if (c == customCommand) {
            List curr = (List) d;
            String currFile = curr.getString(curr.getSelectedIndex());
            selectFile(currFile, customCommand);
        } else if (c == propCommand) {
            List curr = (List) d;
            final String currFile = curr.getString(curr.getSelectedIndex());
            new Thread(new Runnable() {
                public void run() {
                    showProperties(currFile);
                }
            }).start();
        } else if (c == backCommand) {
            listener.fileSelectDone();
        } else if (c == backToBCommand) {
            new Thread(new Runnable() {
                public void run() {
                    showCurrDir();
                }
            }).start();
        } else if (c == newCommand) {
            createFile();
        } else if (c == newOkCommand) {
            String newName = nameInput.getString();
            if (newName == null || newName.length() == 0) {
                Alert alert = new Alert(T._("Error!"),
                        T._("File Name is empty. Please provide file name."), null,
                        AlertType.ERROR);
                alert.setTimeout(Alert.FOREVER);
                display.setCurrent(alert);
            } else {
                // Create file in a separate thread and disable all commands
                // except for "cancel"
                display.getCurrent().removeCommand(newOkCommand);
                display.getCurrent().removeCommand(upCommand);
                executeCreateFile(newName, typeInput.getSelectedIndex() != 0);
            }
        } else if (c == deleteCommand) {
            List curr = (List) d;
            String currFile = curr.getString(curr.getSelectedIndex());
            executeDelete(currFile);
        }
    }

View Full Code Here

            executeDelete(currFile);
        }
    }


    List createBrowser() {
        List browser = new List(currDirName, Choice.IMPLICIT);
        browser.setSelectCommand(selectCommand);


        if (customCommand != null)
            browser.addCommand(customCommand);
        // Do not allow creating files/directories beside root
        if (!MEGA_ROOT.equals(currDirName)) {
            if (allowNew)
                browser.addCommand(newCommand);
            browser.addCommand(propCommand);
            if (allowDel)
                browser.addCommand(deleteCommand);
            browser.addCommand(upCommand);
        }
        browser.addCommand(backCommand);
        browser.setCommandListener(this);


        return browser;
    }

View Full Code Here

        display.setCurrent(wc);


        try {
            Enumeration e;
            FileConnection currDir = null;
            List browser = createBrowser();


            if (MEGA_ROOT.equals(currDirName)) {
                e = FileSystemRegistry.listRoots();
            } else {
                currDir = (FileConnection) Connector.open("file://localhost/"
                        + currDirName);
                e = currDir.list();
                // not root - draw UP_DIRECTORY
                browser.append(UP_DIRECTORY, dirIcon);
            }


            while (e.hasMoreElements()) {
                String fileName = (String) e.nextElement();
                if (fileName.charAt(fileName.length() - 1) == FilePath.separatorChar)
                    browser.append(fileName, dirIcon);
                else if (fileName.toLowerCase().endsWith(".sgf"))
                    browser.append(fileName, sgfFileIcon);
                else if (fileName.toLowerCase().endsWith(".sgfi"))
                    browser.append(fileName, sgfiFileIcon);
                else
                    browser.append(fileName, fileIcon);
            }


            if (currDir != null)
                currDir.close();

View Full Code Here

        optGenSwitches.setSelectedIndex(GEN_OPT_SOUND, true);
        optCommentFontSize = new TextField(T._("Comment font size"), "14", 2, TextField.NUMERIC);
        optGenForm.append(optGenSwitches);
        optGenForm.append(optCommentFontSize);


        optForm = new List(T._("Options"), Choice.IMPLICIT, optGroupList, null);
        optForm.setCommandListener(this);
        optForm.addCommand(backCommand);
        optForm.addCommand(selectCommand);


        // -- In-game submenus -------------------------------------------
        igProblemMenuList = new List(T._("Problem"), Choice.IMPLICIT, igProblemMenuItems, null);
        igProblemMenuList.setCommandListener(this);
        igProblemMenuList.addCommand(backCommand);
        igPlayMenuList = new List(T._("Play"), Choice.IMPLICIT, igPlayMenuItems, null);
        igPlayMenuList.setCommandListener(this);
        igPlayMenuList.addCommand(backCommand);
        igViewMenuList = new List(T._("View"), Choice.IMPLICIT, igViewMenuItems, null);
        igViewMenuList.setCommandListener(this);
        igViewMenuList.addCommand(backCommand);
        igScoreMenuList = new List(T._("Score"), Choice.IMPLICIT, igScoreMenuItems, null);
        igScoreMenuList.setCommandListener(this);
        igScoreMenuList.addCommand(backCommand);


        // -- Problem filter ---------------------------------------------
        probFilterForm = new Form(T._("Problem filter"));
        probFilterForm.setCommandListener(this);
        if (fileSelectScreen != null)
            probFilterForm.addCommand(updPathsCommand);
        probFilterForm.addCommand(startCommand);
        probFilterForm.addCommand(backCommand);


        probFilterGenre = new ChoiceGroup(T._("Genre"), Choice.POPUP);
        //probFilterGenre.setSelectedIndex(0, true);
        probFilterDiffFrom = new ChoiceGroup(T._("Difficulty From"), Choice.POPUP, levelList, null);
        probFilterDiffFrom.setSelectedIndex(0, true);
        probFilterDiffTo = new ChoiceGroup(T._("Difficulty To"), ChoiceGroup.POPUP, levelList, null);
        probFilterDiffTo.setSelectedIndex(0, true);
        probFilterDiffTo.setSelectedIndex(levelList.length - 1, true);
        probFilterSortByGenre = new ChoiceGroup(T._("Sort By Genre"), ChoiceGroup.POPUP, sortList, null);
        probFilterSortByGenre.setSelectedIndex(0, true);
        probFilterSortByDifficulty = new ChoiceGroup(T._("Sort By Difficulty"), ChoiceGroup.POPUP, sortList, null);
        probFilterSortByDifficulty.setSelectedIndex(0, true);
        probFilterSortByPopularity = new ChoiceGroup(T._("Sort By Popularity"), ChoiceGroup.POPUP, sortList, null);
        probFilterSortByPopularity.setSelectedIndex(0, true);
        probFilterShow = new ChoiceGroup(T._("Show"), ChoiceGroup.MULTIPLE, showList, null);
        probFilterShow.setSelectedIndex(0, true);
        probFilterShow.setSelectedIndex(2, true);
        probFilterShow.setSelectedIndex(3, true);
        probFilterPath = new ChoiceGroup(T._("Path"), ChoiceGroup.MULTIPLE);


        probFilterForm.append(probFilterGenre);
        probFilterForm.append(probFilterDiffFrom);
        probFilterForm.append(probFilterDiffTo);
        probFilterForm.append(probFilterShow);
        probFilterForm.append(probFilterSortByGenre);
        probFilterForm.append(probFilterSortByPopularity);
        probFilterForm.append(probFilterSortByDifficulty);
        probFilterForm.append(probFilterPath);


        probPathList = new List(T._("Problem Paths"), List.IMPLICIT);
        probPathList.addCommand(addCommand);
        probPathList.addCommand(removeCommand);
        probPathList.addCommand(removeAllCommand);
        probPathList.addCommand(backCommand);
        probPathList.setSelectCommand(removeCommand);

View Full Code Here

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