com.kk_electronic.kkportal.core.ui.InputDialog.java Source code

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Here is the source code for com.kk_electronic.kkportal.core.ui.InputDialog.java

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/*
 * Copyright 2010 kk-electronic a/s. 
 * 
 * This file is part of KKPortal.
 *
 * KKPortal is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * KKPortal is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with KKPortal.  If not, see <http://www.gnu.org/licenses/>.
 *
 */
package com.kk_electronic.kkportal.core.ui;

import com.google.gwt.dom.client.Element;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.KeyCodes;
import com.google.gwt.event.dom.client.KeyDownEvent;
import com.google.gwt.safehtml.shared.SafeHtml;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.TextBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.inject.Inject;

public class InputDialog {

    public static interface UIBinder extends UiBinder<Widget, InputDialog> {
    };

    public static interface Handler {
        public void onInput(String input);
    }

    private Widget widget;
    private Handler handler;
    private final GlassPanel glassPanel;

    @Inject
    public InputDialog(UIBinder binder, GlassPanel glassPanel) {
        this.glassPanel = glassPanel;
        widget = binder.createAndBindUi(this);
    }

    public void setHandler(Handler handler) {
        this.handler = handler;
    }

    public void show() {
        glassPanel.addWidget(widget);
        showing = true;
        username.setFocus(true);
    }

    @UiField
    TextBox username;

    private void addIdentity() {
        String username = this.username.getValue();
        if (!username.isEmpty()) {
            hide();
            if (handler != null) {
                handler.onInput(username);
            }
        } else {
            this.username.setFocus(true);
        }
    }

    private void hide() {
        glassPanel.remove(widget);
        showing = false;
    }

    @UiHandler("username")
    public void onKeyPress(KeyDownEvent event) {
        if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER) {
            addIdentity();
        }
    }

    @UiHandler("submit")
    public void onSubmit(ClickEvent event) {
        addIdentity();
    }

    @UiField
    Element text;
    private boolean showing;

    public void setText(String string) {
        SafeHtmlBuilder sb = new SafeHtmlBuilder();
        sb.appendEscapedLines(string);
        text.setInnerHTML(sb.toSafeHtml().asString());
    }

    public boolean isShowing() {
        return showing;
    }

    public void setValue(String value) {
        username.setText(value);
    }

    public void setHTML(SafeHtml html) {
        text.setInnerHTML(html.asString());
    }
}