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Filter Grid In Ext GWT

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Filter Grid In Ext GWT Sample code


  1. package com.extjs.gxt.samples.client.examples.grid;  
  2.   
  3. import java.util.ArrayList;  
  4. import java.util.List;  
  5.   
  6. import com.extjs.gxt.samples.resources.client.Resources;  
  7. import com.extjs.gxt.samples.resources.client.TestData;  
  8. import com.extjs.gxt.samples.resources.client.model.Stock;  
  9. import com.extjs.gxt.ui.client.GXT;  
  10. import com.extjs.gxt.ui.client.Style.HorizontalAlignment;  
  11. import com.extjs.gxt.ui.client.data.BaseModelData;  
  12. import com.extjs.gxt.ui.client.data.ModelData;  
  13. import com.extjs.gxt.ui.client.event.Events;  
  14. import com.extjs.gxt.ui.client.event.FieldEvent;  
  15. import com.extjs.gxt.ui.client.event.Listener;  
  16. import com.extjs.gxt.ui.client.store.ListStore;  
  17. import com.extjs.gxt.ui.client.widget.ContentPanel;  
  18. import com.extjs.gxt.ui.client.widget.LayoutContainer;  
  19. import com.extjs.gxt.ui.client.widget.form.SimpleComboBox;  
  20. import com.extjs.gxt.ui.client.widget.form.ComboBox.TriggerAction;  
  21. import com.extjs.gxt.ui.client.widget.grid.CellSelectionModel;  
  22. import com.extjs.gxt.ui.client.widget.grid.ColumnConfig;  
  23. import com.extjs.gxt.ui.client.widget.grid.ColumnData;  
  24. import com.extjs.gxt.ui.client.widget.grid.ColumnModel;  
  25. import com.extjs.gxt.ui.client.widget.grid.Grid;  
  26. import com.extjs.gxt.ui.client.widget.grid.GridCellRenderer;  
  27. import com.extjs.gxt.ui.client.widget.grid.GridSelectionModel;  
  28. import com.extjs.gxt.ui.client.widget.grid.filters.BooleanFilter;  
  29. import com.extjs.gxt.ui.client.widget.grid.filters.DateFilter;  
  30. import com.extjs.gxt.ui.client.widget.grid.filters.GridFilters;  
  31. import com.extjs.gxt.ui.client.widget.grid.filters.ListFilter;  
  32. import com.extjs.gxt.ui.client.widget.grid.filters.NumericFilter;  
  33. import com.extjs.gxt.ui.client.widget.grid.filters.StringFilter;  
  34. import com.extjs.gxt.ui.client.widget.layout.FitLayout;  
  35. import com.extjs.gxt.ui.client.widget.layout.FlowLayout;  
  36. import com.extjs.gxt.ui.client.widget.table.NumberCellRenderer;  
  37. import com.extjs.gxt.ui.client.widget.toolbar.LabelToolItem;  
  38. import com.extjs.gxt.ui.client.widget.toolbar.ToolBar;  
  39. import com.google.gwt.i18n.client.DateTimeFormat;  
  40. import com.google.gwt.i18n.client.NumberFormat;  
  41. import com.google.gwt.user.client.Element;  
  42.   
  43. public class FilterGridExample extends LayoutContainer {  
  44.   
  45.   @Override  
  46.   protected void onRender(Element parent, int index) {  
  47.     super.onRender(parent, index);  
  48.     setLayout(new FlowLayout(10));  
  49.     getAriaSupport().setPresentation(true);  
  50.   
  51.     final NumberFormat currency = NumberFormat.getCurrencyFormat();  
  52.     final NumberFormat number = NumberFormat.getFormat("0.00");  
  53.     final NumberCellRenderer<Grid<Stock>> numberRenderer = new NumberCellRenderer<Grid<Stock>>(currency);  
  54.   
  55.     GridCellRenderer<Stock> change = new GridCellRenderer<Stock>() {  
  56.       public String render(Stock model, String property, ColumnData config, int rowIndex, int colIndex,  
  57.           ListStore<Stock> store, Grid<Stock> grid) {  
  58.         double val = (Double) model.get(property);  
  59.         String style = val < 0 ? "red" : GXT.isHighContrastMode ? "#00ff5a" : "green";  
  60.         return "<span style='font-weight: bold;color:" + style + "'>" + number.format(val) + "</span>";  
  61.       }  
  62.     };  
  63.   
  64.     GridCellRenderer<Stock> gridNumber = new GridCellRenderer<Stock>() {  
  65.       public String render(Stock model, String property, ColumnData config, int rowIndex, int colIndex,  
  66.           ListStore<Stock> store, Grid<Stock> grid) {  
  67.         return numberRenderer.render(null, property, model.get(property));  
  68.       }  
  69.     };  
  70.   
  71.     List<ColumnConfig> configs = new ArrayList<ColumnConfig>();  
  72.   
  73.     ColumnConfig column = new ColumnConfig();  
  74.     column.setId("name");  
  75.     column.setHeader("Company");  
  76.     column.setWidth(200);  
  77.     configs.add(column);  
  78.   
  79.     column = new ColumnConfig();  
  80.     column.setId("symbol");  
  81.     column.setHeader("Symbol");  
  82.     column.setWidth(100);  
  83.     configs.add(column);  
  84.   
  85.     column = new ColumnConfig();  
  86.     column.setId("last");  
  87.     column.setHeader("Last");  
  88.     column.setAlignment(HorizontalAlignment.RIGHT);  
  89.     column.setWidth(100);  
  90.     column.setRenderer(gridNumber);  
  91.     configs.add(column);  
  92.   
  93.     column = new ColumnConfig("change", "Change", 100);  
  94.     column.setAlignment(HorizontalAlignment.RIGHT);  
  95.     column.setRenderer(change);  
  96.     configs.add(column);  
  97.   
  98.     column = new ColumnConfig("date", "Last Updated", 100);  
  99.     column.setAlignment(HorizontalAlignment.RIGHT);  
  100.     column.setDateTimeFormat(DateTimeFormat.getFormat("MM/dd/yyyy"));  
  101.     configs.add(column);  
  102.   
  103.     column = new ColumnConfig("split", "Split", 75);  
  104.     column.setRenderer(new GridCellRenderer<Stock>() {  
  105.       public Object render(Stock model, String property, ColumnData config, int rowIndex, int colIndex,  
  106.           ListStore<Stock> store, Grid<Stock> grid) {  
  107.         Boolean b = model.get(property);  
  108.         return b != null && b.booleanValue() ? "Yes" : "No";  
  109.       }  
  110.     });  
  111.     configs.add(column);  
  112.   
  113.     column = new ColumnConfig("type", "Type", 75);  
  114.     configs.add(column);  
  115.   
  116.     ListStore<Stock> store = new ListStore<Stock>();  
  117.     store.add(TestData.getStocks());  
  118.   
  119.     ColumnModel cm = new ColumnModel(configs);  
  120.   
  121.     ContentPanel cp = new ContentPanel();  
  122.     cp.setBodyBorder(true);  
  123.     cp.setIcon(Resources.ICONS.table());  
  124.     cp.setHeading("Filter Grid");  
  125.     cp.setButtonAlign(HorizontalAlignment.CENTER);  
  126.     cp.setLayout(new FitLayout());  
  127.     cp.setSize(660, 300);  
  128.   
  129.     GridFilters filters = new GridFilters();  
  130.     filters.setLocal(true);  
  131.   
  132.     NumericFilter last = new NumericFilter("last");  
  133.     NumericFilter filter = new NumericFilter("change");  
  134.     StringFilter nameFilter = new StringFilter("name");  
  135.     DateFilter dateFilter = new DateFilter("date");  
  136.     BooleanFilter booleanFilter = new BooleanFilter("split");  
  137.   
  138.     ListStore<ModelData> typeStore = new ListStore<ModelData>();  
  139.     typeStore.add(type("Auto"));  
  140.     typeStore.add(type("Media"));  
  141.     typeStore.add(type("Medical"));  
  142.     typeStore.add(type("Tech"));  
  143.     ListFilter listFilter = new ListFilter("type", typeStore);  
  144.     listFilter.setDisplayProperty("type");  
  145.   
  146.     filters.addFilter(last);  
  147.     filters.addFilter(nameFilter);  
  148.     filters.addFilter(filter);  
  149.     filters.addFilter(dateFilter);  
  150.     filters.addFilter(booleanFilter);  
  151.     filters.addFilter(listFilter);  
  152.   
  153.     final Grid<Stock> grid = new Grid<Stock>(store, cm);  
  154.     grid.getView().setForceFit(true);  
  155.     grid.setStyleAttribute("borderTop", "none");  
  156.     grid.setAutoExpandColumn("name");  
  157.     grid.setBorders(false);  
  158.     grid.setStripeRows(true);  
  159.     grid.setColumnLines(true);  
  160.     grid.addPlugin(filters);  
  161.     cp.add(grid);  
  162.   
  163.     ToolBar toolBar = new ToolBar();  
  164.     toolBar.getAriaSupport().setLabel("Grid Options");  
  165.   
  166.     toolBar.add(new LabelToolItem("Selection Mode: "));  
  167.     final SimpleComboBox<String> type = new SimpleComboBox<String>();  
  168.     type.setTriggerAction(TriggerAction.ALL);  
  169.     type.setEditable(false);  
  170.     type.setFireChangeEventOnSetValue(true);  
  171.     type.setWidth(100);  
  172.     type.add("Row");  
  173.     type.add("Cell");  
  174.     type.setSimpleValue("Row");  
  175.     type.addListener(Events.Change, new Listener<FieldEvent>() {  
  176.       public void handleEvent(FieldEvent be) {  
  177.         boolean cell = type.getSimpleValue().equals("Cell");  
  178.         grid.getSelectionModel().deselectAll();  
  179.         if (cell) {  
  180.           grid.setSelectionModel(new CellSelectionModel<Stock>());  
  181.         } else {  
  182.           grid.setSelectionModel(new GridSelectionModel<Stock>());  
  183.         }  
  184.       }  
  185.     });  
  186.     toolBar.add(type);  
  187.     cp.setTopComponent(toolBar);  
  188.     add(cp);  
  189.   }  
  190.   
  191.   private ModelData type(String type) {  
  192.     ModelData model = new BaseModelData();  
  193.     model.set("type", type);  
  194.     return model;  
  195.   }  
  196.   
  197. }  
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