Accordion Panel by SectionStack (Smart GWT) -- Java

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Nipuna
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Accordion Panel by SectionStack (Smart GWT) -- Java

Post by Nipuna » Fri Apr 20, 2012 7:36 am

SmartGWT-AccordionPanelBySectionStack.PNG
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/*
 * SmartGWT (GWT for SmartClient)
 * Copyright 2008 and beyond, Isomorphic Software, Inc.
 *
 * SmartGWT is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License version 3
 * as published by the Free Software Foundation.  SmartGWT is also
 * available under typical commercial license terms - see
 * http://smartclient.com/license
 * This software 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.
 */
package com.smartgwt.sample.showcase.client;

import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.types.Overflow;
import com.smartgwt.client.types.VisibilityMode;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.HTMLFlow;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.Img;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.SectionStack;
import com.smartgwt.client.widgets.layout.SectionStackSection;
import com.smartgwt.client.widgets.layout.VLayout;

public class Showcase implements EntryPoint {

  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }
  public Canvas getViewPanel() {
    HTMLFlow htmlFlow = new HTMLFlow();
    htmlFlow.setOverflow(Overflow.AUTO);
    htmlFlow.setPadding(10);

    String contents = "<b>Severity 1</b> - Critical problem<br>System is unavailable in production or " +
            "is corrupting data, and the error severely impacts the user's operations." +
            "<br><br><b>Severity 2</b> - Major problem<br>An important function of the system " +
            "is not available in production, and the user's operations are restricted." +
            "<br><br><b>Severity 3</b> - Minor problem<br>Inability to use a function of the " +
            "system occurs, but it does not seriously affect the user's operations.";

    htmlFlow.setContents(contents);

    final SectionStack sectionStack = new SectionStack();
    sectionStack.setVisibilityMode(VisibilityMode.MULTIPLE);
    sectionStack.setWidth(300);
    sectionStack.setHeight(350);
    sectionStack.setBorder("2px solid #458B00");

    SectionStackSection section1 = new SectionStackSection("Blue Pawn");
    section1.setExpanded(true);
    section1.addItem(new Img("pieces/48/pawn_blue.png", 48, 48));
    sectionStack.addSection(section1);

    SectionStackSection section2 = new SectionStackSection("HTML Flow");
    section2.setExpanded(true);
    section2.setCanCollapse(true);
    section2.addItem(htmlFlow);
    sectionStack.addSection(section2);

    SectionStackSection section3 = new SectionStackSection("Green Pawn");
    section3.setExpanded(true);
    section3.setCanCollapse(false);
    section3.addItem(new Img("pieces/48/pawn_green.png", 48, 48));
    sectionStack.addSection(section3);

    SectionStackSection section4 = new SectionStackSection("Yellow Piece");
    section4.setExpanded(false);
    section4.addItem(new Img("pieces/48/piece_yellow.png", 48, 48));
    sectionStack.addSection(section4);

    IButton expandButton = new IButton("Expand Blue");
    expandButton.setWidth(150);
    expandButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            sectionStack.expandSection(0);
        }
    });

    IButton collapseButton = new IButton("Collapse Blue");
    collapseButton.setWidth(150);
    collapseButton.addClickHandler(new ClickHandler() {
        public void onClick(ClickEvent event) {
            sectionStack.collapseSection(0);
        }
    });

    HLayout layout = new HLayout();
    layout.setMembersMargin(20);
    layout.addMember(sectionStack);

    VLayout buttons = new VLayout();
    buttons.setMembersMargin(10);
    buttons.addMember(expandButton);
    buttons.addMember(collapseButton);

    layout.addMember(buttons);
    return layout;
  }

}
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