org.yawl.client.widget.dialog.CloseableDialogBox.java Source code

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Here is the source code for org.yawl.client.widget.dialog.CloseableDialogBox.java

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/*
 * This is part of YAWL - Yet Another Widget Library.
 *
 * Copyright 2008-2014 Geosparc nv, http://www.geosparc.com/, Belgium.
 *
 * The program is available in open source according to the 
 * Apache License v2. All contributions in this program are covered
 * by the YAWL Contributors License Agreement. For full licensing
 * details, see LICENSE in the project root.
 */

package org.yawl.client.widget.dialog;

import com.google.gwt.core.shared.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.safehtml.shared.SafeHtml;
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.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FocusPanel;
import com.google.gwt.user.client.ui.SimplePanel;
import com.google.gwt.user.client.ui.Widget;

/**
 * DialogBox with a close-button in the upper-right corner.
 *
 * @author Pieter De Graef
 */
public class CloseableDialogBox extends DialogBox {

    @UiField
    protected Button closeIcon;

    public CloseableDialogBox() {
        super(new CaptionImpl());
        ((CaptionImpl) getCaption()).setParent(this);
    }

    @Override
    public String getText() {
        return getCaption().getText();
    }

    @Override
    public void setText(String text) {
        getCaption().setText(text);
    }

    public void setCloseButtonTitle(String title) {
        closeIcon.setTitle(title);
    }

    public ClickHandler getOnCloseHandler() {
        return ((CaptionImpl) getCaption()).getOnCloseHandler();
    }

    public void setOnCloseHandler(ClickHandler onCloseHandler) {
        ((CaptionImpl) getCaption()).setOnCloseHandler(onCloseHandler);
    }

    // ---------------------------------------------------

    /**
     * Overriding the default caption to include a close button.
     *
     * @author Pieter De Graef
     */
    protected static class CaptionImpl extends FocusPanel implements Caption {

        /**
         * UI binder interface for the ShowcaseDialogBox caption.
         *
         * @author Pieter De Graef
         */
        interface MyUiBinder extends UiBinder<Widget, CaptionImpl> {
        }

        private static final MyUiBinder UIBINDER = GWT.create(MyUiBinder.class);

        @UiField
        protected SimplePanel titleElement;

        private ClickHandler onCloseHandler;

        private CloseableDialogBox parent;

        public CaptionImpl() {
            super();
            add(UIBINDER.createAndBindUi(this));
        }

        public String getHTML() {
            return titleElement.getElement().getInnerHTML();
        }

        public void setHTML(String html) {
            titleElement.getElement().setInnerHTML(html);
        }

        public String getText() {
            return titleElement.getElement().getInnerText();
        }

        public void setText(String text) {
            titleElement.getElement().setInnerText(text);
        }

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

        public void setParent(CloseableDialogBox parent) {
            this.parent = parent;
        }

        public ClickHandler getOnCloseHandler() {
            return onCloseHandler;
        }

        public void setOnCloseHandler(ClickHandler onCloseHandler) {
            this.onCloseHandler = onCloseHandler;
        }

        @UiHandler("closeIcon")
        protected void onCloseButtonClicked(ClickEvent event) {
            parent.hide();
            if (onCloseHandler != null) {
                onCloseHandler.onClick(event);
            }
        }
    }
}