Java tutorial
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ package com.dotrow.projects.webdesktop.client; /* * Ext GWT - Ext for GWT * Copyright(c) 2007-2009, Ext JS, LLC. * licensing@extjs.com * * http://extjs.com/license */ /* * Ext GWT - Ext for GWT * Copyright(c) 2007-2009, Ext JS, LLC. * licensing@extjs.com * * http://extjs.com/license */ import com.dotrow.projects.webdesktop.client.explorer.ExplorerController; import com.dotrow.projects.webdesktop.client.explorer.ExplorerEvents; import com.dotrow.projects.webdesktop.client.explorer.services.FileSystemService; import com.dotrow.projects.webdesktop.client.explorer.services.FileSystemServiceAsync; import com.dotrow.projects.webdesktop.client.services.KernelServices; import java.util.ArrayList; import java.util.List; import com.extjs.gxt.desktop.client.Desktop; import com.extjs.gxt.desktop.client.Shortcut; import com.extjs.gxt.desktop.client.StartMenu; import com.extjs.gxt.desktop.client.TaskBar; import com.extjs.gxt.ui.client.Registry; import com.extjs.gxt.ui.client.Style.Scroll; import com.extjs.gxt.ui.client.data.BaseModelData; import com.extjs.gxt.ui.client.data.ModelData; import com.extjs.gxt.ui.client.data.ModelIconProvider; import com.extjs.gxt.ui.client.event.ComponentEvent; import com.extjs.gxt.ui.client.event.MenuEvent; import com.extjs.gxt.ui.client.event.SelectionListener; import com.extjs.gxt.ui.client.mvc.AppEvent; import com.extjs.gxt.ui.client.mvc.Dispatcher; import com.extjs.gxt.ui.client.store.GroupingStore; import com.extjs.gxt.ui.client.store.TreeStore; import com.extjs.gxt.ui.client.util.IconHelper; import com.extjs.gxt.ui.client.widget.ContentPanel; import com.extjs.gxt.ui.client.widget.Info; import com.extjs.gxt.ui.client.widget.TabItem; import com.extjs.gxt.ui.client.widget.TabPanel; import com.extjs.gxt.ui.client.widget.Window; import com.extjs.gxt.ui.client.widget.button.Button; import com.extjs.gxt.ui.client.widget.button.ToolButton; import com.extjs.gxt.ui.client.widget.grid.ColumnConfig; import com.extjs.gxt.ui.client.widget.grid.ColumnModel; import com.extjs.gxt.ui.client.widget.grid.Grid; import com.extjs.gxt.ui.client.widget.grid.GridGroupRenderer; import com.extjs.gxt.ui.client.widget.grid.GroupColumnData; import com.extjs.gxt.ui.client.widget.grid.GroupingView; import com.extjs.gxt.ui.client.widget.layout.AccordionLayout; import com.extjs.gxt.ui.client.widget.layout.FitLayout; import com.extjs.gxt.ui.client.widget.menu.Menu; import com.extjs.gxt.ui.client.widget.menu.MenuItem; import com.extjs.gxt.ui.client.widget.toolbar.SeparatorToolItem; import com.extjs.gxt.ui.client.widget.toolbar.ToolBar; import com.extjs.gxt.ui.client.widget.treepanel.TreePanel; import com.google.gwt.core.client.EntryPoint; import com.google.gwt.core.client.GWT; import com.google.gwt.i18n.client.DateTimeFormat; import com.google.gwt.i18n.client.NumberFormat; import com.google.gwt.user.client.rpc.ServiceDefTarget; import com.google.gwt.user.client.ui.AbstractImagePrototype; import resources.src.com.extjs.gxt.samples.resources.client.TestData; import resources.src.com.extjs.gxt.samples.resources.client.model.Stock; public class MainEntryPoint implements EntryPoint { private Desktop desktop = new Desktop(); private void itemSelected(ComponentEvent ce) { Window w; if (ce instanceof MenuEvent) { MenuEvent me = (MenuEvent) ce; w = me.getItem().getData("window"); } else { w = ce.getComponent().getData("window"); } if (!desktop.getWindows().contains(w)) { desktop.addWindow(w); } if (w != null && !w.isVisible()) { w.show(); } else { w.toFront(); } } public void onModuleLoad() { SelectionListener<MenuEvent> menuListener = new SelectionListener<MenuEvent>() { @Override public void componentSelected(MenuEvent me) { itemSelected(me); } }; SelectionListener<ComponentEvent> shortcutListener = new SelectionListener<ComponentEvent>() { @Override public void componentSelected(ComponentEvent ce) { itemSelected(ce); } }; Window gridWindow = createGridWindow(); Window accordionWindow = createAccordionWindow(); Shortcut s1 = new Shortcut(); s1.setText("Grid Window"); s1.setId("grid-win-shortcut"); s1.setData("window", gridWindow); s1.addSelectionListener(shortcutListener); desktop.addShortcut(s1); Shortcut s2 = new Shortcut(); s2.setText("Accordion Window"); s2.setId("acc-win-shortcut"); s2.setData("window", accordionWindow); s2.addSelectionListener(shortcutListener); desktop.addShortcut(s2); TaskBar taskBar = desktop.getTaskBar(); StartMenu menu = taskBar.getStartMenu(); menu.setHeading("Sergio Ceron"); menu.setIconStyle("user"); MenuItem menuItem = new MenuItem("Grid Window"); menuItem.setData("window", gridWindow); menuItem.setIcon(IconHelper.createStyle("icon-grid")); menuItem.addSelectionListener(menuListener); menu.add(menuItem); menuItem = new MenuItem("Tab Window"); menuItem.setIcon(IconHelper.createStyle("tabs")); menuItem.addSelectionListener(menuListener); menuItem.setData("window", createTabWindow()); menu.add(menuItem); menuItem = new MenuItem("Accordion Window"); menuItem.setIcon(IconHelper.createStyle("accordion")); menuItem.addSelectionListener(menuListener); menuItem.setData("window", accordionWindow); menu.add(menuItem); menuItem = new MenuItem("Bogus Submenu"); menuItem.setIcon(IconHelper.createStyle("bogus")); Menu sub = new Menu(); for (int i = 0; i < 5; i++) { MenuItem item = new MenuItem("Bogus Window " + (i + 1)); item.setData("window", createBogusWindow(i)); item.addSelectionListener(menuListener); sub.add(item); } menuItem.setSubMenu(sub); menu.add(menuItem); // tools MenuItem tool = new MenuItem("Settings"); tool.setIcon(IconHelper.createStyle("settings")); tool.addSelectionListener(new SelectionListener<MenuEvent>() { @Override public void componentSelected(MenuEvent ce) { Info.display("Event", "The 'Settings' tool was clicked"); } }); menu.addTool(tool); menu.addToolSeperator(); tool = new MenuItem("Logout"); tool.setIcon(IconHelper.createStyle("logout")); tool.addSelectionListener(new SelectionListener<MenuEvent>() { @Override public void componentSelected(MenuEvent ce) { Info.display("Event", "The 'Logout' tool was clicked"); } }); menu.addTool(tool); // Ends init desktop // Try explorer FileSystemServiceAsync service = (FileSystemServiceAsync) GWT.create(FileSystemService.class); ServiceDefTarget endpoint = (ServiceDefTarget) service; String moduleRelativeURL = GWT.getModuleBaseURL() + KernelServices.FS_SERVICE; endpoint.setServiceEntryPoint(moduleRelativeURL); Registry.register(KernelServices.FS_SERVICE, service); Dispatcher dispatcher = Dispatcher.get(); dispatcher.addController(new ExplorerController()); AppEvent ae = new AppEvent(ExplorerEvents.OPEN); ae.setData("desktop", desktop); dispatcher.dispatch(ae); } private Window createAccordionWindow() { final Window w = new Window(); w.setMinimizable(true); w.setMaximizable(true); w.setIcon(IconHelper.createStyle("accordion")); w.setHeading("Accordion Window"); w.setWidth(200); w.setHeight(350); ToolBar toolBar = new ToolBar(); Button item = new Button(); item.setIcon(IconHelper.createStyle("icon-connect")); toolBar.add(item); toolBar.add(new SeparatorToolItem()); w.setTopComponent(toolBar); item = new Button(); item.setIcon(IconHelper.createStyle("icon-user-add")); toolBar.add(item); item = new Button(); item.setIcon(IconHelper.createStyle("icon-user-delete")); toolBar.add(item); w.setLayout(new AccordionLayout()); ContentPanel cp = new ContentPanel(); cp.setAnimCollapse(false); cp.setHeading("Online Users"); cp.setScrollMode(Scroll.AUTO); cp.getHeader().addTool(new ToolButton("x-tool-refresh")); w.add(cp); TreeStore<ModelData> store = new TreeStore<ModelData>(); TreePanel<ModelData> tree = new TreePanel<ModelData>(store); tree.setIconProvider(new ModelIconProvider<ModelData>() { public AbstractImagePrototype getIcon(ModelData model) { if (model.get("icon") != null) { return IconHelper.createStyle((String) model.get("icon")); } else { return null; } } }); tree.setDisplayProperty("name"); ModelData m = newItem("Family", null); store.add(m, false); tree.setExpanded(m, true); store.add(m, newItem("Darrell", "user"), false); store.add(m, newItem("Maro", "user-girl"), false); store.add(m, newItem("Lia", "user-kid"), false); store.add(m, newItem("Alec", "user-kid"), false); store.add(m, newItem("Andrew", "user-kid"), false); m = newItem("Friends", null); store.add(m, false); tree.setExpanded(m, true); store.add(m, newItem("Bob", "user"), false); store.add(m, newItem("Mary", "user-girl"), false); store.add(m, newItem("Sally", "user-girl"), false); store.add(m, newItem("Jack", "user"), false); cp.add(tree); cp = new ContentPanel(); cp.setAnimCollapse(false); cp.setHeading("Settings"); cp.setBodyStyleName("pad-text"); cp.addText(TestData.DUMMY_TEXT_SHORT); w.add(cp); cp = new ContentPanel(); cp.setAnimCollapse(false); cp.setHeading("Stuff"); cp.setBodyStyleName("pad-text"); cp.addText(TestData.DUMMY_TEXT_SHORT); w.add(cp); cp = new ContentPanel(); cp.setAnimCollapse(false); cp.setHeading("More Stuff"); cp.setBodyStyleName("pad-text"); cp.addText(TestData.DUMMY_TEXT_SHORT); w.add(cp); return w; } private Window createGridWindow() { Window w = new Window(); w.setIcon(IconHelper.createStyle("icon-grid")); w.setMinimizable(true); w.setMaximizable(true); w.setHeading("Grid Window"); w.setSize(500, 400); w.setLayout(new FitLayout()); GroupingStore<Stock> store = new GroupingStore<Stock>(); store.add(TestData.getCompanies()); store.groupBy("industry"); ColumnConfig company = new ColumnConfig("name", "Company", 60); ColumnConfig price = new ColumnConfig("open", "Price", 20); price.setNumberFormat(NumberFormat.getCurrencyFormat()); ColumnConfig change = new ColumnConfig("change", "Change", 20); ColumnConfig industry = new ColumnConfig("industry", "Industry", 20); ColumnConfig last = new ColumnConfig("date", "Last Updated", 20); last.setDateTimeFormat(DateTimeFormat.getFormat("MM/dd/y")); List<ColumnConfig> config = new ArrayList<ColumnConfig>(); config.add(company); config.add(price); config.add(change); config.add(industry); config.add(last); final ColumnModel cm = new ColumnModel(config); GroupingView view = new GroupingView(); view.setForceFit(true); view.setGroupRenderer(new GridGroupRenderer() { public String render(GroupColumnData data) { String f = cm.getColumnById(data.field).getHeader(); String l = data.models.size() == 1 ? "Item" : "Items"; return f + ": " + data.group + " (" + data.models.size() + " " + l + ")"; } }); Grid<Stock> grid = new Grid<Stock>(store, cm); grid.setView(view); grid.setBorders(true); w.add(grid); return w; } private Window createTabWindow() { Window w = new Window(); w.setMinimizable(true); w.setMaximizable(true); w.setSize(740, 480); w.setIcon(IconHelper.createStyle("tabs")); w.setHeading("Tab Window"); w.setLayout(new FitLayout()); TabPanel panel = new TabPanel(); for (int i = 0; i < 4; i++) { TabItem item = new TabItem("Tab Item " + (i + 1)); item.addText("Something useful would be here"); panel.add(item); } w.add(panel); return w; } private Window createBogusWindow(int index) { Window w = new Window(); w.setIcon(IconHelper.createStyle("bogus")); w.setMinimizable(true); w.setMaximizable(true); w.setHeading("Bogus Window " + ++index); w.setSize(400, 300); return w; } private ModelData newItem(String text, String iconStyle) { ModelData m = new BaseModelData(); m.set("name", text); m.set("icon", iconStyle); return m; } }