Simple Portal Sample (Smart GWT) : Portal « GWT « Java

Home
Java
1.2D Graphics GUI
2.3D
3.Advanced Graphics
4.Ant
5.Apache Common
6.Chart
7.Class
8.Collections Data Structure
9.Data Type
10.Database SQL JDBC
11.Design Pattern
12.Development Class
13.EJB3
14.Email
15.Event
16.File Input Output
17.Game
18.Generics
19.GWT
20.Hibernate
21.I18N
22.J2EE
23.J2ME
24.JavaFX
25.JDK 6
26.JDK 7
27.JNDI LDAP
28.JPA
29.JSP
30.JSTL
31.Language Basics
32.Network Protocol
33.PDF RTF
34.Reflection
35.Regular Expressions
36.Scripting
37.Security
38.Servlets
39.Spring
40.Swing Components
41.Swing JFC
42.SWT JFace Eclipse
43.Threads
44.Tiny Application
45.Velocity
46.Web Services SOA
47.XML
Java » GWT » Portal 




Simple Portal Sample (Smart GWT)
Simple Portal Sample (Smart GWT)
   
/*
 * 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.Random;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.DragAppearance;
import com.smartgwt.client.types.HeaderControls;
import com.smartgwt.client.types.LayoutPolicy;
import com.smartgwt.client.types.Overflow;
import com.smartgwt.client.types.VerticalAlignment;
import com.smartgwt.client.widgets.AnimationCallback;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.Label;
import com.smartgwt.client.widgets.Window;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.ButtonItem;
import com.smartgwt.client.widgets.form.fields.StaticTextItem;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.LayoutSpacer;
import com.smartgwt.client.widgets.layout.VLayout;
import com.smartgwt.client.widgets.layout.VStack;

public class Showcase implements EntryPoint {

  public void onModuleLoad() {
    RootPanel.get().add(getViewPanel());
  }
  //FCKEditor like colors
  private static String[] colors = new String[]{
          "FF6600""808000""008000""008080""0000FF""666699",
          "FF0000""FF9900""99CC00""339966""33CCCC""3366FF",
          "800080""969696""FF00FF""FFCC00""FFFF00""00FF00",
          "00FFFF""00CCFF""993366""C0C0C0""FF99CC""FFCC99",
          "FFFF99""CCFFCC""CCFFFF""99CCFF""CC99FF""FFFFFF"
  };

  public Canvas getViewPanel() {
      final PortalLayout portalLayout = new PortalLayout(3);
      portalLayout.setWidth100();
      portalLayout.setHeight100();

      // create portlets...
      for (int i = 1; i <= 2; i++) {
          Portlet portlet = new Portlet();
          portlet.setTitle("Portlet");

          Label label = new Label();
          label.setAlign(Alignment.CENTER);
          label.setLayoutAlign(VerticalAlignment.CENTER);
          label.setContents("Portlet contents");
          label.setBackgroundColor(colors[Random.nextInt(colors.length - 1)]);
          portlet.addItem(label);
          portalLayout.addPortlet(portlet);
      }

      VLayout vLayout = new VLayout(15);

      final DynamicForm form new DynamicForm();
      form.setAutoWidth();
      form.setNumCols(5);

      final StaticTextItem numColItem = new StaticTextItem();
      numColItem.setTitle("Columns");
      numColItem.setValue(portalLayout.getMembers().length);

      ButtonItem addColumn = new ButtonItem("Add Column");
      addColumn.setIcon("silk/application_side_expand.png");
      addColumn.setAutoFit(true);
      addColumn.setStartRow(false);
      addColumn.setEndRow(false);


      addColumn.addClickHandler(new com.smartgwt.client.widgets.form.fields.events.ClickHandler() {
          public void onClick(com.smartgwt.client.widgets.form.fields.events.ClickEvent event) {
              portalLayout.addMember(new PortalColumn());
              numColItem.setValue(portalLayout.getMembers().length);

          }
      });

      ButtonItem removeColumn = new ButtonItem("Remove Column");
      removeColumn.setIcon("silk/application_side_contract.png");
      removeColumn.setAutoFit(true);
      removeColumn.setStartRow(false);
      removeColumn.setEndRow(false);


      removeColumn.addClickHandler(new com.smartgwt.client.widgets.form.fields.events.ClickHandler() {
          public void onClick(com.smartgwt.client.widgets.form.fields.events.ClickEvent event) {

              Canvas[] canvases = portalLayout.getMembers();
              int numMembers = canvases.length;
              if (numMembers > 0) {
                  Canvas lastMember = canvases[numMembers - 1];
                  portalLayout.removeMember(lastMember);
                  numColItem.setValue(numMembers - 1);
              }

          }
      });

      final ButtonItem addPortlet = new ButtonItem("Add Portlet");
      addPortlet.setIcon("silk/application_view_tile.png");
      addPortlet.setAutoFit(true);

      addPortlet.setStartRow(false);
      addPortlet.setEndRow(false);
      addPortlet.addClickHandler(new com.smartgwt.client.widgets.form.fields.events.ClickHandler() {
          public void onClick(com.smartgwt.client.widgets.form.fields.events.ClickEvent event) {

              final Portlet newPortlet = new Portlet();
              newPortlet.setTitle("Portlet ");

              Label label = new Label();
              label.setAlign(Alignment.CENTER);
              label.setLayoutAlign(VerticalAlignment.CENTER);
              label.setContents("Portlet contents");
              label.setBackgroundColor(colors[Random.nextInt(colors.length - 1)]);
              newPortlet.addItem(label);

              newPortlet.setVisible(false);
              PortalColumn column = portalLayout.addPortlet(newPortlet);

              // also insert a blank spacer element, which will trigger the built-in
              //  animateMembers layout animation
              final LayoutSpacer placeHolder = new LayoutSpacer();
              placeHolder.setRect(newPortlet.getRect());
              column.addMember(placeHolder, 0)// add to top

              // create an outline around the clicked button
              final Canvas outline = new Canvas();
              outline.setLeft(form.getAbsoluteLeft() + addPortlet.getLeft());
              outline.setTop(form.getAbsoluteTop());
              outline.setWidth(addPortlet.getWidth());
              outline.setHeight(addPortlet.getHeight());
              outline.setBorder("2px solid #8289A6");
              outline.draw();
              outline.bringToFront();

              outline.animateRect(newPortlet.getPageLeft(), newPortlet.getPageTop(),
                      newPortlet.getVisibleWidth(), newPortlet.getViewportHeight(),
                      new AnimationCallback() {
                          public void execute(boolean earlyFinish) {
                              // callback at end of animation - destroy placeholder and outline; show the new portlet
                              placeHolder.destroy();
                              outline.destroy();
                              newPortlet.show();
                          }
                      }750);
          }
      });


      form.setItems(numColItem, addPortlet, addColumn, removeColumn);

      vLayout.addMember(form);
      vLayout.addMember(portalLayout);

      return vLayout;
  }

  /**
   * Portlet class definition
   */
  private class Portlet extends Window {

      public Portlet() {

          setShowShadow(false);

          // enable predefined component animation
          setAnimateMinimize(true);

          // Window is draggable with "outline" appearance by default.
          // "target" is the solid appearance.
          setDragAppearance(DragAppearance.OUTLINE);
          setCanDrop(true);

          // customize the appearance and order of the controls in the window header
          setHeaderControls(HeaderControls.MINIMIZE_BUTTON, HeaderControls.HEADER_LABEL, HeaderControls.CLOSE_BUTTON);

          // show either a shadow, or translucency, when dragging a portlet
          // (could do both at the same time, but these are not visually compatible effects)
          // setShowDragShadow(true);
          setDragOpacity(30);

          // these settings enable the portlet to autosize its height only to fit its contents
          // (since width is determined from the containing layout, not the portlet contents)
          setVPolicy(LayoutPolicy.NONE);
          setOverflow(Overflow.VISIBLE);
      }
  }

  /**
   * PortalColumn class definition
   */
  private class PortalColumn extends VStack {

      public PortalColumn() {

          // leave some space between portlets
          setMembersMargin(6);

          // enable predefined component animation
          setAnimateMembers(true);
          setAnimateMemberTime(300);

          // enable drop handling
          setCanAcceptDrop(true);

          // change appearance of drag placeholder and drop indicator
          setDropLineThickness(4);

          Canvas dropLineProperties = new Canvas();
          dropLineProperties.setBackgroundColor("aqua");
          setDropLineProperties(dropLineProperties);

          setShowDragPlaceHolder(true);

          Canvas placeHolderProperties = new Canvas();
          placeHolderProperties.setBorder("2px solid #8289A6");
          setPlaceHolderProperties(placeHolderProperties);
      }
  }

  /**
   * PortalLayout class definition
   */
  private class PortalLayout extends HLayout {
      public PortalLayout(int numColumns) {
          setMembersMargin(6);
          for (int i = 0; i < numColumns; i++) {
              addMember(new PortalColumn());
          }
      }

      public PortalColumn addPortlet(Portlet portlet) {
          // find the column with the fewest portlets
          int fewestPortlets = Integer.MAX_VALUE;
          PortalColumn fewestPortletsColumn = null;
          for (int i = 0; i < getMembers().length; i++) {
              int numPortlets = ((PortalColumngetMember(i)).getMembers().length;
              if (numPortlets < fewestPortlets) {
                  fewestPortlets = numPortlets;
                  fewestPortletsColumn = (PortalColumngetMember(i);
              }
          }
          fewestPortletsColumn.addMember(portlet);
          return fewestPortletsColumn;
      }
  }
}

   
    
    
  














SmartGWT.zip( 9,880 k)
Related examples in the same category
1.Using Portal and Portlet (Ext GWT)Using Portal and Portlet (Ext GWT)
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.