/*MujMail - Simple mail client for J2MECopyright (C) 2008 David Hauzar <david.hauzar.mujmail@gmail.com>This program is free software; you can redistribute it and/or modifyit under the terms of the GNU General Public License as published bythe Free Software Foundation; either version 2 of the License, or(at your option) any later version.This program is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See theGNU General Public License for more details.You should have received a copy of the GNU General Public Licensealong with this program; if not, write to the Free SoftwareFoundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */package mujmail.ui;import javax.microedition.lcdui.Command;import javax.microedition.lcdui.Displayable;import javax.microedition.lcdui.Form;import javax.microedition.lcdui.StringItem;import mujmail.Lang;import mujmail.MujMail;import mujmail.util.Callback;/** * Dialog that allows user to allow or not to allow given action. * After user presses OK or Cancel button, the focus will be on the screen * where it was when the dialog was started. *  * @author David Hauzar */public class OKCancelDialog extends MVCComponent {    private Displayable nextScreen;    private final Callback okAction;    private Callback cancelAction;    private String dialogText;    private String dialogTitle;    private Command OK = new Command(Lang.get(Lang.BTN_OK), Command.OK, 0);    private Command CANCEL = new Command(Lang.get(Lang.BTN_CANCEL), Command.CANCEL, 1);    /**     * Creates the dialog.     *     * If user presses Cancel button only focus will be setted to the screen     * where it was before the dialog was started.     *     * @param dialogTitle the title of the dialog.     * @param dialogText the text in the dialog     * @param okAction the action when user press OK button.     */    public OKCancelDialog(String dialogTitle, String dialogText, Callback okAction) {        this(dialogTitle, dialogText, okAction, Callback.NO_ACTION);    }    /**     * Creates the dialog.     *      * @param dialogTitle the title of the dialog.     * @param dialogText the text in the dialog     * @param okAction the action when user press OK button.     * @param cancelAction the action that will be performed when user press     *  Cancel button.     */    public OKCancelDialog(String dialogTitle, String dialogText, Callback okAction, Callback cancelAction) {        this.cancelAction = cancelAction;        this.okAction = okAction;        this.dialogText = dialogText;        this.dialogTitle = dialogTitle;    }    public void showScreen() {        nextScreen = MujMail.mujmail.getDisplay().getCurrent();        super.showScreen();        MujMail.mujmail.getDisplay().disableSettingCurrent();    }    public void commandAction(Command c, Displayable d) {        if (c == OK) {            okAction.callback(this, null);        }        if (c == CANCEL) {            cancelAction.callback(this, null);        }        MujMail.mujmail.getDisplay().enableSettingCurrent();        MujMail.mujmail.getDisplay().setCurrent(nextScreen);    }        protected void createView() {    }    protected Displayable getView() {        Form dialogForm = new Form(dialogTitle);        dialogForm.append(new StringItem("", dialogText));        dialogForm.addCommand(OK);        dialogForm.addCommand(CANCEL);        return dialogForm;    }    protected void initModel() {    }    protected void updateView() {    }    }