SwartGWT based application demo (Smart GWT) : Swart GWT « GWT « Java
SwartGWT based application demo (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 java.util.HashMap;
import java.util.Map;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.i18n.client.NumberFormat;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.core.Rectangle;
import com.smartgwt.client.data.Criteria;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.Record;
import com.smartgwt.client.data.fields.DataSourceBooleanField;
import com.smartgwt.client.data.fields.DataSourceDateField;
import com.smartgwt.client.data.fields.DataSourceEnumField;
import com.smartgwt.client.data.fields.DataSourceFloatField;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.types.Alignment;
import com.smartgwt.client.types.Overflow;
import com.smartgwt.client.types.SelectionStyle;
import com.smartgwt.client.types.VisibilityMode;
import com.smartgwt.client.util.Page;
import com.smartgwt.client.widgets.AnimationCallback;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.HTMLPane;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.Label;
import com.smartgwt.client.widgets.Window;
import com.smartgwt.client.widgets.events.CloseClickHandler;
import com.smartgwt.client.widgets.events.CloseClientEvent;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.fields.ButtonItem;
import com.smartgwt.client.widgets.form.fields.CheckboxItem;
import com.smartgwt.client.widgets.form.fields.ComboBoxItem;
import com.smartgwt.client.widgets.form.fields.DateItem;
import com.smartgwt.client.widgets.form.fields.FilterCriteriaFunction;
import com.smartgwt.client.widgets.form.fields.PickTreeItem;
import com.smartgwt.client.widgets.form.fields.SpinnerItem;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.form.fields.events.ClickEvent;
import com.smartgwt.client.widgets.form.fields.events.ClickHandler;
import com.smartgwt.client.widgets.form.validator.FloatPrecisionValidator;
import com.smartgwt.client.widgets.form.validator.FloatRangeValidator;
import com.smartgwt.client.widgets.grid.CellFormatter;
import com.smartgwt.client.widgets.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridFieldIfFunction;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.client.widgets.grid.events.CellContextClickEvent;
import com.smartgwt.client.widgets.grid.events.CellContextClickHandler;
import com.smartgwt.client.widgets.grid.events.CellSavedEvent;
import com.smartgwt.client.widgets.grid.events.CellSavedHandler;
import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
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;
import com.smartgwt.client.widgets.menu.Menu;
import com.smartgwt.client.widgets.menu.MenuItem;
import com.smartgwt.client.widgets.menu.events.MenuItemClickEvent;
import com.smartgwt.client.widgets.tab.Tab;
import com.smartgwt.client.widgets.tab.TabSet;
import com.smartgwt.client.widgets.tab.events.TabSelectedEvent;
import com.smartgwt.client.widgets.tab.events.TabSelectedHandler;
import com.smartgwt.client.widgets.tree.TreeGrid;
import com.smartgwt.client.widgets.tree.events.NodeClickEvent;
import com.smartgwt.client.widgets.tree.events.NodeClickHandler;
import com.smartgwt.client.widgets.viewer.DetailViewer;
public class Showcase implements EntryPoint {
public void onModuleLoad() {
RootPanel.get().add(getViewPanel());
}
public Canvas getViewPanel() {
VLayout layout = new VLayout(15);
layout.addMember(new Label(
"This is a full-screen example - click the \"Show Example\" button to show fullscreen."));
final IButton button = new IButton("Show Example");
button.setWidth(140);
button.setIcon("silk/layout_content.png");
button.addClickHandler(new com.smartgwt.client.widgets.events.ClickHandler() {
public void onClick(com.smartgwt.client.widgets.events.ClickEvent event) {
Rectangle rect = button.getPageRect();
final Canvas animateOutline = new Canvas();
animateOutline.setBorder("2px solid black");
animateOutline.setTop(rect.getTop());
animateOutline.setLeft(rect.getLeft());
animateOutline.setWidth(rect.getLeft());
animateOutline.setHeight(rect.getHeight());
animateOutline.show();
animateOutline.animateRect(0, 0, Page.getWidth(), Page.getHeight(),
new AnimationCallback() {
public void execute(boolean earlyFinish) {
animateOutline.hide();
final FullyScreenApplication appWindow = new FullyScreenApplication();
appWindow.addCloseClickHandler(new CloseClickHandler() {
public void onCloseClick(CloseClientEvent event) {
animateOutline.setRect(0, 0, Page.getWidth(), Page.getHeight());
animateOutline.show();
appWindow.destroy();
Rectangle targetRect = button.getPageRect();
animateOutline.animateRect(targetRect.getLeft(), targetRect.getTop(),
targetRect.getWidth(), targetRect.getHeight(), new AnimationCallback() {
public void execute(boolean earlyFinish) {
animateOutline.hide();
}
}, 500);
}
});
appWindow.show();
}
}, 500);
}
});
layout.addMember(button);
return layout;
}
class FullyScreenApplication extends Window {
FullyScreenApplication() {
setTitle("Demo Application");
setHeaderIcon("silk/layout_content.png");
setWidth100();
setHeight100();
setShowMinimizeButton(false);
setShowCloseButton(true);
setCanDragReposition(false);
setCanDragResize(false);
setShowShadow(false);
addItem(new ApplicationPanel());
}
}
public String getSourceUrl() {
return null;
}
public String getSourceGenUrl() {
return null;
}
}
class ApplicationPanel extends HLayout {
private SearchForm searchForm;
private CategoryTreeGrid categoryTree;
private ItemListGrid itemList;
private ItemDetailTabPane itemDetailTabPane;
private Menu itemListMenu;
public ApplicationPanel() {
setWidth100();
setHeight100();
setLayoutMargin(20);
DataSource supplyCategoryDS = SupplyCategoryXmlDS.getInstance();
DataSource supplyItemDS = ItemSupplyXmlDS.getInstance();
categoryTree = new CategoryTreeGrid(supplyCategoryDS);
categoryTree.setAutoFetchData(true);
categoryTree.addNodeClickHandler(new NodeClickHandler() {
public void onNodeClick(NodeClickEvent event) {
String category = event.getNode().getAttribute("categoryName");
findItems(category);
}
});
searchForm = new SearchForm(supplyItemDS);
// when showing options in the combo-box, only show the options from the
// selected category if appropriate
final ComboBoxItem itemNameCB = searchForm.getItemNameField();
itemNameCB.setPickListFilterCriteriaFunction(new FilterCriteriaFunction() {
public Criteria getCriteria() {
ListGridRecord record = categoryTree.getSelectedRecord();
if ((itemNameCB.getValue() != null) && record != null) {
Criteria criteria = new Criteria();
criteria.addCriteria("category", record.getAttribute("categoryName"));
return criteria;
}
return null;
}
});
setupContextMenu();
itemList = new ItemListGrid(supplyItemDS);
itemList.addRecordClickHandler(new RecordClickHandler() {
public void onRecordClick(RecordClickEvent event) {
itemDetailTabPane.updateDetails();
}
});
itemList.addCellSavedHandler(new CellSavedHandler() {
public void onCellSaved(CellSavedEvent event) {
itemDetailTabPane.updateDetails();
}
});
itemList.addCellContextClickHandler(new CellContextClickHandler() {
public void onCellContextClick(CellContextClickEvent event) {
itemListMenu.showContextMenu();
event.cancel();
}
});
SectionStack leftSideLayout = new SectionStack();
leftSideLayout.setWidth(280);
leftSideLayout.setShowResizeBar(true);
leftSideLayout.setVisibilityMode(VisibilityMode.MULTIPLE);
leftSideLayout.setAnimateSections(true);
SectionStackSection suppliesCategorySection = new SectionStackSection(
"Office Supply Categories");
suppliesCategorySection.setExpanded(true);
suppliesCategorySection.setItems(categoryTree);
SectionStackSection instructionsSection = new SectionStackSection("Instructions");
instructionsSection.setItems(new HelpPane());
instructionsSection.setExpanded(true);
leftSideLayout.setSections(suppliesCategorySection, instructionsSection);
SectionStack rightSideLayout = new SectionStack();
rightSideLayout.setVisibilityMode(VisibilityMode.MULTIPLE);
rightSideLayout.setAnimateSections(true);
searchForm.setHeight(60);
searchForm.addFindListener(new com.smartgwt.client.widgets.form.fields.events.ClickHandler() {
public void onClick(com.smartgwt.client.widgets.form.fields.events.ClickEvent event) {
findItems(null);
}
});
SectionStackSection findSection = new SectionStackSection("Find Items");
findSection.setItems(searchForm);
findSection.setExpanded(true);
SectionStackSection supplyItemsSection = new SectionStackSection("Office Supply Items");
supplyItemsSection.setItems(itemList);
supplyItemsSection.setExpanded(true);
itemDetailTabPane = new ItemDetailTabPane(supplyItemDS, supplyCategoryDS, itemList);
SectionStackSection itemDetailsSection = new SectionStackSection("Item Details");
itemDetailsSection.setItems(itemDetailTabPane);
itemDetailsSection.setExpanded(true);
rightSideLayout.setSections(findSection, supplyItemsSection, itemDetailsSection);
addMember(leftSideLayout);
addMember(rightSideLayout);
}
private void setupContextMenu() {
itemListMenu = new Menu();
itemListMenu.setCellHeight(22);
MenuItem detailsMenuItem = new MenuItem("Show Details", "silk/application_form.png");
detailsMenuItem.addClickHandler(new com.smartgwt.client.widgets.menu.events.ClickHandler() {
public void onClick(MenuItemClickEvent event) {
itemDetailTabPane.selectTab(0);
itemDetailTabPane.updateDetails();
}
});
final MenuItem editMenuItem = new MenuItem("Edit Item", "demoApp/icon_edit.png");
editMenuItem.addClickHandler(new com.smartgwt.client.widgets.menu.events.ClickHandler() {
public void onClick(MenuItemClickEvent event) {
itemDetailTabPane.selectTab(1);
itemDetailTabPane.updateDetails();
}
});
final MenuItem deleteMenuItem = new MenuItem("Delete Item", "silk/delete.png");
deleteMenuItem.addClickHandler(new com.smartgwt.client.widgets.menu.events.ClickHandler() {
public void onClick(MenuItemClickEvent event) {
itemList.removeSelectedData();
itemDetailTabPane.clearDetails(null);
}
});
itemListMenu.setData(detailsMenuItem, editMenuItem, deleteMenuItem);
}
public void findItems(String categoryName) {
Criteria findValues;
String formValue = searchForm.getValueAsString("findInCategory");
ListGridRecord selectedCategory = categoryTree.getSelectedRecord();
if (formValue != null && selectedCategory != null) {
categoryName = selectedCategory.getAttribute("categoryName");
findValues = searchForm.getValuesAsCriteria();
findValues.addCriteria("category", categoryName);
} else if (categoryName == null) {
findValues = searchForm.getValuesAsCriteria();
} else {
findValues = new Criteria();
findValues.addCriteria("category", categoryName);
}
itemList.filterData(findValues);
itemDetailTabPane.clearDetails(categoryTree.getSelectedRecord());
}
}
class SearchForm extends DynamicForm {
private ComboBoxItem itemName;
private ButtonItem findItem;
public SearchForm(DataSource supplyItemDS) {
setDataSource(supplyItemDS);
setTop(20);
setCellPadding(6);
setNumCols(7);
setStyleName("defaultBorder");
findItem = new ButtonItem("Find");
findItem.setIcon("silk/find.png");
findItem.setWidth(70);
findItem.setEndRow(false);
TextItem skuItem = new TextItem("SKU");
itemName = new ComboBoxItem("itemName");
itemName.setOptionDataSource(supplyItemDS);
itemName.setPickListWidth(250);
CheckboxItem findInCategory = new CheckboxItem("findInCategory");
findInCategory.setTitle("Use Category");
findInCategory.setDefaultValue(true);
findInCategory.setShouldSaveValue(false);
setItems(findItem, skuItem, itemName, findInCategory);
}
public ComboBoxItem getItemNameField() {
return itemName;
}
public void addFindListener(ClickHandler handler) {
findItem.addClickHandler(handler);
}
}
class ItemListGrid extends ListGrid {
public ItemListGrid(DataSource supplyItemDS) {
setDataSource(supplyItemDS);
setUseAllDataSourceFields(true);
ListGridField itemName = new ListGridField("itemName", "Name");
itemName.setShowHover(true);
ListGridField unitCost = new ListGridField("unitCost");
unitCost.setCellFormatter(new CellFormatter() {
public String format(Object value, ListGridRecord record, int rowNum, int colNum) {
if (value == null)
return null;
try {
NumberFormat nf = NumberFormat.getFormat("##0.00");
return "$" + nf.format(((Number) value).floatValue());
} catch (Exception e) {
return value.toString();
}
}
});
SpinnerItem spinnerItem = new SpinnerItem();
spinnerItem.setStep(0.01);
unitCost.setEditorType(spinnerItem);
ListGridField sku = new ListGridField("SKU");
sku.setCanEdit(false);
ListGridField description = new ListGridField("description");
description.setShowHover(true);
ListGridField category = new ListGridField("category");
category.setCanEdit(false);
ListGridField inStock = new ListGridField("inStock");
inStock.setWidth(55);
inStock.setAlign(Alignment.CENTER);
ListGridField nextShipment = new ListGridField("nextShipent");
nextShipment.setShowIfCondition(new ListGridFieldIfFunction() {
public boolean execute(ListGrid grid, ListGridField field, int fieldNum) {
return false;
}
});
setFields(itemName, unitCost, sku, description, category, inStock);
setCanEdit(true);
setAlternateRecordStyles(true);
setCanDragRecordsOut(true);
setHoverWidth(200);
setHoverHeight(20);
setSelectionType(SelectionStyle.SINGLE);
}
}
class CategoryTreeGrid extends TreeGrid {
public CategoryTreeGrid(DataSource supplyCategoryDS) {
setShowHeader(false);
setLeaveScrollbarGap(false);
setAnimateFolders(true);
setCanAcceptDroppedRecords(true);
setCanReparentNodes(false);
setSelectionType(SelectionStyle.SINGLE);
setDataSource(supplyCategoryDS);
}
}
class HelpPane extends HTMLPane {
public HelpPane() {
setContentsURL("data/miniapp/demoApp_helpText.html");
setOverflow(Overflow.AUTO);
setStyleName("defaultBorder");
setPadding(10);
}
}
class ItemDetailTabPane extends TabSet {
private DetailViewer itemViewer;
private DynamicForm editorForm;
private Label editorLabel;
private ItemListGrid itemListGrid;
public ItemDetailTabPane(DataSource supplyItemDS, DataSource supplyCategoryDS,
ItemListGrid itemListGrid) {
this.itemListGrid = itemListGrid;
setStyleName("defaultBorder");
itemViewer = new DetailViewer();
itemViewer.setDataSource(supplyItemDS);
itemViewer.setWidth100();
itemViewer.setMargin(25);
itemViewer.setEmptyMessage("Select an item to view its details");
editorLabel = new Label();
editorLabel.setWidth100();
editorLabel.setHeight100();
editorLabel.setAlign(Alignment.CENTER);
editorLabel.setContents("Select a record to edit, or a category to insert a new record into");
editorForm = new DynamicForm();
editorForm.setWidth(650);
editorForm.setMargin(25);
editorForm.setNumCols(4);
editorForm.setCellPadding(5);
editorForm.setAutoFocus(false);
editorForm.setDataSource(supplyItemDS);
editorForm.setUseAllDataSourceFields(true);
TextItem sku = new TextItem("SKU", "SKU");
TextItem description = new TextItem("description");
description.setWidth(300);
description.setRowSpan(3);
PickTreeItem category = new PickTreeItem("category");
category.setDataSource(supplyCategoryDS);
category.setEmptyMenuMessage("No Sub Categories");
category.setCanSelectParentItems(true);
SpinnerItem unitCost = new SpinnerItem("unitCost");
unitCost.setStep(0.01);
CheckboxItem inStock = new CheckboxItem("inStock");
DateItem nextShipment = new DateItem("nextShipment");
nextShipment.setUseTextField(true);
ButtonItem saveButton = new ButtonItem("Save Item");
saveButton.setAlign(Alignment.CENTER);
saveButton.setWidth(100);
saveButton.setColSpan(4);
saveButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
editorForm.saveData();
}
});
editorForm.setFields(sku, description, category, unitCost, inStock, nextShipment, saveButton);
editorForm.setColWidths(100, 200, 100, 200);
Tab viewTab = new Tab("View");
viewTab.setIcon("silk/application_form.png");
viewTab.setWidth(70);
viewTab.setPane(itemViewer);
Tab editTab = new Tab("Edit");
editTab.setIcon("demoApp/icon_edit.png");
editTab.setWidth(70);
editTab.setPane(editorForm);
setTabs(viewTab, editTab);
addTabSelectedHandler(new TabSelectedHandler() {
public void onTabSelected(TabSelectedEvent event) {
updateDetails();
}
});
}
public void clearDetails(Record selectedCategoryRecord) {
int selectedTab = getSelectedTabNumber();
if (selectedTab == 0) {
// view tab : show empty message
itemViewer.setData((Record[]) null);
} else {
// edit tab : show new record editor, or empty message
if (selectedCategoryRecord != null) {
updateTab(1, editorForm);
Map initialValues = new HashMap();
initialValues.put("category", selectedCategoryRecord.getAttribute("categoryName"));
editorForm.editNewRecord(initialValues);
} else {
updateTab(1, editorLabel);
}
}
}
public void updateDetails() {
Record selectedRecord = itemListGrid.getSelectedRecord();
int selectedTab = getSelectedTabNumber();
if (selectedTab == 0) {
// view tab : show empty message
itemViewer.setData(new Record[] { selectedRecord });
} else {
// edit tab : show record editor
editorForm.editRecord(selectedRecord);
}
}
}
class SupplyCategoryXmlDS extends DataSource {
private static SupplyCategoryXmlDS instance = null;
public static SupplyCategoryXmlDS getInstance() {
if (instance == null) {
instance = new SupplyCategoryXmlDS("supplyCategoryDS");
}
return instance;
}
public SupplyCategoryXmlDS(String id) {
setID(id);
setRecordXPath("/List/supplyCategory");
DataSourceTextField itemNameField = new DataSourceTextField("categoryName", "Item", 128, true);
itemNameField.setPrimaryKey(true);
DataSourceTextField parentField = new DataSourceTextField("parentID", null);
parentField.setHidden(true);
parentField.setRequired(true);
parentField.setRootValue("root");
parentField.setForeignKey("supplyCategoryDS.categoryName");
setFields(itemNameField, parentField);
setDataURL("ds/test_data/supplyCategory.data.xml");
setClientOnly(true);
}
}
class ItemSupplyXmlDS extends DataSource {
private static ItemSupplyXmlDS instance = null;
public static ItemSupplyXmlDS getInstance() {
if (instance == null) {
instance = new ItemSupplyXmlDS("supplyItemDS");
}
return instance;
}
public ItemSupplyXmlDS(String id) {
setID(id);
setRecordXPath("/List/supplyItem");
DataSourceIntegerField pkField = new DataSourceIntegerField("itemID");
pkField.setHidden(true);
pkField.setPrimaryKey(true);
DataSourceTextField itemNameField = new DataSourceTextField("itemName", "Item Name", 128, true);
DataSourceTextField skuField = new DataSourceTextField("SKU", "SKU", 10, true);
DataSourceTextField descriptionField = new DataSourceTextField("description", "Description", 2000);
DataSourceTextField categoryField = new DataSourceTextField("category", "Category", 128, true);
categoryField.setForeignKey("supplyCategoryDS.categoryName");
DataSourceEnumField unitsField = new DataSourceEnumField("units", "Units", 5);
unitsField.setValueMap("Roll", "Ea", "Pkt", "Set", "Tube", "Pad", "Ream", "Tin", "Bag", "Ctn", "Box");
DataSourceFloatField unitCostField = new DataSourceFloatField("unitCost", "Unit Cost", 5);
FloatRangeValidator rangeValidator = new FloatRangeValidator();
rangeValidator.setMin(0);
rangeValidator.setErrorMessage("Please enter a valid (positive) cost");
FloatPrecisionValidator precisionValidator = new FloatPrecisionValidator();
precisionValidator.setPrecision(2);
precisionValidator.setErrorMessage("The maximum allowed precision is 2");
unitCostField.setValidators(rangeValidator, precisionValidator);
DataSourceBooleanField inStockField = new DataSourceBooleanField("inStock", "In Stock");
DataSourceDateField nextShipmentField = new DataSourceDateField("nextShipment", "Next Shipment");
setFields(pkField, itemNameField, skuField, descriptionField, categoryField, unitsField,
unitCostField, inStockField, nextShipmentField);
setDataURL("ds/test_data/supplyItem.data.xml");
setClientOnly(true);
}
}
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