org.sakaiproject.sgs2.client.ui.widget.Sgs2DialogBox.java Source code

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Here is the source code for org.sakaiproject.sgs2.client.ui.widget.Sgs2DialogBox.java

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/**********************************************************************************
 *
 * Copyright (c) 2009 The Sakai Foundation.
 * 
 * Licensed under the Educational Community License, Version 1.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at
 * 
 *      http://www.opensource.org/licenses/ecl1.php
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, 
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and 
 * limitations under the License.
 *
 **********************************************************************************/

package org.sakaiproject.sgs2.client.ui.widget;

import org.sakaiproject.sgs2.client.I18nConstants;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.FlexTable;
import com.google.gwt.user.client.ui.HasHorizontalAlignment;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.user.client.ui.FlexTable.FlexCellFormatter;

public class Sgs2DialogBox extends DialogBox {

    private Button button = null;
    private VerticalPanel mainVerticalPanel = null;
    private VerticalPanel verticalPanel = null;
    private HandlerRegistration handlerRegistration = null;
    private FlexTable buttonFlexTable = null;

    // I18N
    I18nConstants i18n = null;

    public Sgs2DialogBox() {

        i18n = GWT.create(I18nConstants.class);

        setText(i18n.dialogText());
        setAnimationEnabled(true);
        mainVerticalPanel = new VerticalPanel();
        button = new Button(i18n.dialogCloseButton());
        button.getElement().setId("closeButton");
        verticalPanel = new VerticalPanel();
        verticalPanel.addStyleName("dialogVPanel");
        verticalPanel.setHorizontalAlignment(VerticalPanel.ALIGN_LEFT);
        mainVerticalPanel.add(verticalPanel);

        buttonFlexTable = new FlexTable();
        buttonFlexTable.setCellSpacing(3);
        buttonFlexTable.setWidth("100%");
        FlexCellFormatter buttonCellFormatter = buttonFlexTable.getFlexCellFormatter();
        buttonCellFormatter.setHorizontalAlignment(0, 0, HasHorizontalAlignment.ALIGN_RIGHT);
        buttonFlexTable.setWidget(0, 0, button);
        mainVerticalPanel.add(buttonFlexTable);
        setWidget(mainVerticalPanel);
        handlerRegistration = button.addClickHandler(getButtonClickHandler());

    }

    private ClickHandler getButtonClickHandler() {
        return new ClickHandler() {
            public void onClick(ClickEvent event) {
                hide();
            }
        };
    }

    public void setTitle(String title) {
        setText(title);
    }

    public void setButtonText(String label) {
        button.setText(label);
    }

    public void addContent(Widget widget) {
        verticalPanel.add(widget);
    }

    public void addButtonClickHandler(ClickHandler clickHandler) {
        handlerRegistration.removeHandler();
        handlerRegistration = button.addClickHandler(clickHandler);
    }

    public void addButton(String label, ClickHandler clickHandler) {
        Button newButton = new Button(label);
        newButton.addClickHandler(clickHandler);
        int columnIndex = buttonFlexTable.getCellCount(0);
        FlexCellFormatter buttonCellFormatter = buttonFlexTable.getFlexCellFormatter();
        buttonCellFormatter.setHorizontalAlignment(0, columnIndex, HasHorizontalAlignment.ALIGN_RIGHT);
        buttonCellFormatter.setWidth(0, columnIndex, "50px");
        buttonFlexTable.setWidget(0, columnIndex, newButton);
    }
}