Auto Height Grid In EXT Google Web Toolkit
- package com.extjs.gxt.samples.client.examples.grid;
-
- import java.util.ArrayList;
- import java.util.List;
-
- import com.extjs.gxt.samples.resources.client.Resources;
- import com.extjs.gxt.samples.resources.client.model.Plant;
- import com.extjs.gxt.ui.client.Style.HorizontalAlignment;
- import com.extjs.gxt.ui.client.data.ModelData;
- import com.extjs.gxt.ui.client.event.ButtonEvent;
- import com.extjs.gxt.ui.client.event.ColumnModelEvent;
- import com.extjs.gxt.ui.client.event.ComponentEvent;
- import com.extjs.gxt.ui.client.event.Events;
- import com.extjs.gxt.ui.client.event.Listener;
- import com.extjs.gxt.ui.client.event.SelectionListener;
- import com.extjs.gxt.ui.client.store.ListStore;
- import com.extjs.gxt.ui.client.store.Store;
- import com.extjs.gxt.ui.client.store.StoreEvent;
- import com.extjs.gxt.ui.client.util.DateWrapper;
- import com.extjs.gxt.ui.client.widget.ContentPanel;
- import com.extjs.gxt.ui.client.widget.LayoutContainer;
- import com.extjs.gxt.ui.client.widget.button.Button;
- import com.extjs.gxt.ui.client.widget.form.CheckBox;
- import com.extjs.gxt.ui.client.widget.form.DateField;
- import com.extjs.gxt.ui.client.widget.form.NumberField;
- import com.extjs.gxt.ui.client.widget.form.SimpleComboBox;
- import com.extjs.gxt.ui.client.widget.form.TextField;
- import com.extjs.gxt.ui.client.widget.form.ComboBox.TriggerAction;
- import com.extjs.gxt.ui.client.widget.grid.CellEditor;
- import com.extjs.gxt.ui.client.widget.grid.CheckColumnConfig;
- 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.EditorGrid;
- import com.extjs.gxt.ui.client.widget.layout.FitLayout;
- import com.extjs.gxt.ui.client.widget.layout.FlowLayout;
- import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;
- import com.google.gwt.i18n.client.DateTimeFormat;
- import com.google.gwt.i18n.client.NumberFormat;
- import com.google.gwt.user.client.Element;
-
- public class AutoHeightGridExample extends LayoutContainer {
- private EditorGrid<Plant> grid;
- private ContentPanel cp;
-
- protected Plant createPlant() {
- Plant plant = new Plant();
- plant.setName("New Plant 1");
- plant.setLight("Mostly Shady");
- plant.setPrice(0);
- plant.setAvailable(new DateWrapper().clearTime().asDate());
- plant.setIndoor(false);
- return plant;
- }
-
- protected void doAutoHeight() {
- if (grid.isViewReady()) {
- grid.getView().getScroller().setStyleAttribute("overflowY", "hidden");
- cp.setHeight((grid.getView().getBody().isScrollableX() ? 19 : 0) + grid.el().getFrameWidth("tb")
- + grid.getView().getHeader().getHeight() + cp.getFrameHeight()
- + grid.getView().getBody().firstChild().getHeight());
- }
- }
-
- @Override
- protected void onRender(Element parent, int index) {
- super.onRender(parent, index);
-
- setLayout(new FlowLayout(10));
-
- List<ColumnConfig> configs = new ArrayList<ColumnConfig>();
-
- ColumnConfig column = new ColumnConfig();
- column.setId("name");
- column.setHeader("Common Name");
- column.setWidth(220);
-
- TextField<String> text = new TextField<String>();
- text.setAllowBlank(false);
- column.setEditor(new CellEditor(text));
- configs.add(column);
-
- final SimpleComboBox<String> combo = new SimpleComboBox<String>();
- combo.setForceSelection(true);
- combo.setTriggerAction(TriggerAction.ALL);
- combo.add("Shade");
- combo.add("Mostly Shady");
- combo.add("Sun or Shade");
- combo.add("Mostly Sunny");
- combo.add("Sunny");
-
- CellEditor editor = new CellEditor(combo) {
- @Override
- public Object preProcessValue(Object value) {
- if (value == null) {
- return value;
- }
- return combo.findModel(value.toString());
- }
-
- @Override
- public Object postProcessValue(Object value) {
- if (value == null) {
- return value;
- }
- return ((ModelData) value).get("value");
- }
- };
-
- column = new ColumnConfig();
- column.setId("light");
- column.setHeader("Light");
- column.setWidth(130);
- column.setEditor(editor);
- configs.add(column);
-
- column = new ColumnConfig();
- column.setId("price");
- column.setHeader("Price");
- column.setAlignment(HorizontalAlignment.RIGHT);
- column.setWidth(70);
- column.setNumberFormat(NumberFormat.getCurrencyFormat());
- column.setEditor(new CellEditor(new NumberField()));
-
- configs.add(column);
-
- DateField dateField = new DateField();
- dateField.getPropertyEditor().setFormat(DateTimeFormat.getFormat("MM/dd/y"));
-
- column = new ColumnConfig();
- column.setId("available");
- column.setHeader("Available");
- column.setWidth(95);
- column.setEditor(new CellEditor(dateField));
- column.setDateTimeFormat(DateTimeFormat.getFormat("MMM dd yyyy"));
- configs.add(column);
-
- CheckColumnConfig checkColumn = new CheckColumnConfig("indoor", "Indoor?", 55);
- CellEditor checkBoxEditor = new CellEditor(new CheckBox());
- checkColumn.setEditor(checkBoxEditor);
- configs.add(checkColumn);
-
- final ListStore<Plant> store = new ListStore<Plant>();
-
- ColumnModel cm = new ColumnModel(configs);
-
- cp = new ContentPanel();
- cp.setHeading("Auto Height Edit Plants");
- cp.setFrame(true);
- cp.setIcon(Resources.ICONS.table());
- cp.setWidth(600);
- cp.setLayout(new FitLayout());
-
- grid = new EditorGrid<Plant>(store, cm);
- grid.setAutoExpandColumn("name");
- grid.setBorders(true);
- grid.addPlugin(checkColumn);
- cp.add(grid);
-
- ToolBar toolBar = new ToolBar();
- Button add = new Button("Add Plant");
- add.addSelectionListener(new SelectionListener<ButtonEvent>() {
-
- @Override
- public void componentSelected(ButtonEvent ce) {
-
- grid.stopEditing();
- store.insert(createPlant(), 0);
- grid.startEditing(0, 0);
-
- }
-
- });
- toolBar.add(add);
- cp.setTopComponent(toolBar);
- cp.setButtonAlign(HorizontalAlignment.CENTER);
- cp.addButton(new Button("Reset", new SelectionListener<ButtonEvent>() {
-
- @Override
- public void componentSelected(ButtonEvent ce) {
- store.rejectChanges();
- }
- }));
-
- cp.addButton(new Button("Save", new SelectionListener<ButtonEvent>() {
-
- @Override
- public void componentSelected(ButtonEvent ce) {
- store.commitChanges();
- }
- }));
-
- add(cp);
- store.insert(createPlant(), 0);
- store.insert(createPlant(), 1);
- store.insert(createPlant(), 2);
-
- grid.addListener(Events.ViewReady, new Listener<ComponentEvent>() {
- public void handleEvent(ComponentEvent be) {
- grid.getStore().addListener(Store.Add, new Listener<StoreEvent<Plant>>() {
- public void handleEvent(StoreEvent<Plant> be) {
- doAutoHeight();
- }
- });
- doAutoHeight();
- }
- });
- grid.addListener(Events.ColumnResize, new Listener<ComponentEvent>() {
- public void handleEvent(ComponentEvent be) {
- doAutoHeight();
- }
- });
- grid.getColumnModel().addListener(Events.HiddenChange, new Listener<ColumnModelEvent>() {
- public void handleEvent(ColumnModelEvent be) {
- doAutoHeight();
- }
- });
- }
- }
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