sf.wicklet.gwt.client.ui.dialog.LoginDialog.java Source code

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Here is the source code for sf.wicklet.gwt.client.ui.dialog.LoginDialog.java

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/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You should have received a copy of  the license along with this library.
 * You may also obtain a copy of the License at
 *         http://www.apache.org/licenses/LICENSE-2.0.
 */
package sf.wicklet.gwt.client.ui.dialog;

import sf.wicklet.gwt.client.dsl.IDProvider;
import sf.wicklet.gwt.client.dsl.gwt.GwtBuilder;
import sf.wicklet.gwt.client.dsl.gwt.GwtBuilder.GwtPanel;
import sf.wicklet.gwt.client.dsl.gwt.IGwtBuilder.IGwtPanel;
import sf.wicklet.gwt.client.util.GwtTextUtil;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.dom.client.FocusEvent;
import com.google.gwt.event.dom.client.FocusHandler;
import com.google.gwt.user.client.ui.Label;

public abstract class LoginDialog extends ModalDialogBase {

    private final String idPrefix;
    private final IDProvider msgId;
    private final IDProvider userId;
    private final IDProvider passId;
    private final IDProvider cancelId;
    private final IDProvider okId;
    private Label message;

    /** Override to do something. */
    @Override
    protected abstract void onOK();

    public LoginDialog() {
        this("logindialog", "Please login");
    }

    public LoginDialog(final String idprefix, final String title) {
        super(title);
        idPrefix = idprefix;
        msgId = new IDProvider(idPrefix + "Message");
        userId = new IDProvider(idPrefix + "User");
        passId = new IDProvider(idPrefix + "Pass");
        cancelId = new IDProvider(idPrefix + "Cancel");
        okId = new IDProvider(idPrefix + "Login");
        final IGwtPanel panel = new GwtPanel();
        setWidget(panel.asWidget());
        populateContent(panel);
    }

    private void populateContent(final IGwtPanel panel) {
        new GwtBuilder() {
            @SuppressWarnings("synthetic-access")
            void build() {
                panel.c(label("").id(msgId).istyle("color: red; margin: 4px"), grid(2, 2).spacing(8).c(
                        label("User name").istyle("text-align: right"),
                        textbox("").id(userId).istyle("padding: 2px 0px 2px 4px").onfocus(new FocusHandler() {
                            @Override
                            public void onFocus(final FocusEvent event) {
                                setMessage("");
                            }
                        }), label("Password").istyle("text-align: right"),
                        password("").id(passId).istyle("padding: 2px 0px 2px 4px").onfocus(new FocusHandler() {
                            @Override
                            public void onFocus(final FocusEvent event) {
                                setMessage("");
                            }
                        })), populateButtons(button("Cancel").id(cancelId).onclick(new ClickHandler() {
                            @Override
                            public void onClick(final ClickEvent event) {
                                event.preventDefault();
                                onCancel();
                            }
                        }), button("OK").id(okId).onclick(new ClickHandler() {
                            @Override
                            public void onClick(final ClickEvent event) {
                                event.preventDefault();
                                onOK();
                            }
                        })));
            }
        }.build();
    }

    public void setMessage(final String text) {
        if (!GwtTextUtil.equals(text, getMessage())) {
            message.setText(text);
        }
    }

    public String getMessage() {
        return message.getText();
    }
}