Filter Sort Tiling 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 java.util.LinkedHashMap;
import com.google.gwt.core.client.EntryPoint;
import com.google.gwt.user.client.ui.RootPanel;
import com.smartgwt.client.data.DSRequest;
import com.smartgwt.client.data.DataSource;
import com.smartgwt.client.data.fields.DataSourceImageField;
import com.smartgwt.client.data.fields.DataSourceIntegerField;
import com.smartgwt.client.data.fields.DataSourceTextField;
import com.smartgwt.client.types.OperatorId;
import com.smartgwt.client.widgets.Canvas;
import com.smartgwt.client.widgets.IButton;
import com.smartgwt.client.widgets.events.ClickEvent;
import com.smartgwt.client.widgets.events.ClickHandler;
import com.smartgwt.client.widgets.form.DynamicForm;
import com.smartgwt.client.widgets.form.events.ItemChangedEvent;
import com.smartgwt.client.widgets.form.events.ItemChangedHandler;
import com.smartgwt.client.widgets.form.fields.CheckboxItem;
import com.smartgwt.client.widgets.form.fields.SelectItem;
import com.smartgwt.client.widgets.form.fields.SliderItem;
import com.smartgwt.client.widgets.form.fields.TextItem;
import com.smartgwt.client.widgets.layout.HLayout;
import com.smartgwt.client.widgets.layout.VStack;
import com.smartgwt.client.widgets.tile.TileGrid;
import com.smartgwt.client.widgets.viewer.CellStyleHandler;
import com.smartgwt.client.widgets.viewer.DetailFormatter;
import com.smartgwt.client.widgets.viewer.DetailViewerField;
import com.smartgwt.client.widgets.viewer.DetailViewerRecord;
public class Showcase implements EntryPoint {
public void onModuleLoad() {
RootPanel.get().add(getViewPanel());
}
public Canvas getViewPanel() {
VStack vStack = new VStack(20);
vStack.setWidth100();
final TileGrid tileGrid = new TileGrid();
tileGrid.setTileWidth(150);
tileGrid.setTileHeight(205);
tileGrid.setHeight(400);
tileGrid.setShowAllRecords(true);
tileGrid.setDataSource(AnimalXmlDS.getInstance());
tileGrid.setAutoFetchData(true);
tileGrid.setAnimateTileChange(true);
DetailViewerField pictureField = new DetailViewerField("picture");
DetailViewerField commonNameField = new DetailViewerField("commonName");
commonNameField.setCellStyle("commonName");
DetailViewerField lifeSpanField = new DetailViewerField("lifeSpan");
lifeSpanField.setCellStyle("lifeSpan");
lifeSpanField.setDetailFormatter(new DetailFormatter() {
public String format(Object value, DetailViewerRecord record, DetailViewerField field) {
return "Lifespan: " + value;
}
});
DetailViewerField statusField = new DetailViewerField("status");
statusField.setCellStyleHandler(new CellStyleHandler() {
public String execute(Object value, DetailViewerField field, DetailViewerRecord record) {
if ("Endangered".equals(value)) {
return "endangered";
} else if ("Threatened".equals(value)) {
return "threatened";
} else if ("Not Endangered".equals(value)) {
return "notEndangered";
} else {
return null;
}
}
});
tileGrid.setFields(pictureField, commonNameField, lifeSpanField, statusField);
vStack.addMember(tileGrid);
final DynamicForm filterForm = new DynamicForm();
filterForm.setIsGroup(true);
filterForm.setGroupTitle("Search");
filterForm.setNumCols(6);
filterForm.setDataSource(AnimalXmlDS.getInstance());
filterForm.setAutoFocus(false);
TextItem commonNameItem = new TextItem("commonName");
SliderItem lifeSpanItem = new SliderItem("lifeSpan");
lifeSpanItem.setTitle("Max Life Span");
lifeSpanItem.setMinValue(1);
lifeSpanItem.setMaxValue(60);
lifeSpanItem.setDefaultValue(60);
lifeSpanItem.setHeight(50);
lifeSpanItem.setOperator(OperatorId.LESS_THAN);
SelectItem statusItem = new SelectItem("status");
statusItem.setOperator(OperatorId.EQUALS);
statusItem.setAllowEmptyValue(true);
filterForm.setFields(commonNameItem, lifeSpanItem, statusItem);
filterForm.addItemChangedHandler(new ItemChangedHandler() {
public void onItemChanged(ItemChangedEvent event) {
tileGrid.fetchData(filterForm.getValuesAsCriteria());
}
});
vStack.addMember(filterForm);
final DynamicForm sortForm = new DynamicForm();
sortForm.setIsGroup(true);
sortForm.setGroupTitle("Sort");
sortForm.setAutoFocus(false);
sortForm.setNumCols(6);
SelectItem sortItem = new SelectItem();
sortItem.setName("sortBy");
sortItem.setTitle("Sort By");
LinkedHashMap valueMap = new LinkedHashMap();
valueMap.put("commonName", "Animal");
valueMap.put("lifeSpan", "Life Span");
valueMap.put("status", "Endangered Status");
sortItem.setValueMap(valueMap);
final CheckboxItem ascendingItem = new CheckboxItem("chkSortDir");
ascendingItem.setTitle("Ascending");
sortForm.setFields(sortItem, ascendingItem);
sortForm.addItemChangedHandler(new ItemChangedHandler() {
public void onItemChanged(ItemChangedEvent event) {
String sortVal = sortForm.getValueAsString("sortBy");
Boolean sortDir = (Boolean) ascendingItem.getValue();
if (sortDir == null)
sortDir = false;
if (sortVal != null) {
tileGrid.sortByProperty(sortVal, sortDir);
}
}
});
vStack.addMember(sortForm);
HLayout hLayout = new HLayout(10);
hLayout.setHeight(22);
IButton filterButton = new IButton("Filter");
filterButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
tileGrid.fetchData(filterForm.getValuesAsCriteria());
}
});
filterButton.setAutoFit(true);
IButton clearButton = new IButton("Clear");
clearButton.setAutoFit(true);
clearButton.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
tileGrid.fetchData();
filterForm.clearValues();
sortForm.clearValues();
}
});
hLayout.addMember(filterButton);
hLayout.addMember(clearButton);
vStack.addMember(hLayout);
return vStack;
}
}
class AnimalXmlDS extends DataSource {
private static AnimalXmlDS instance = null;
public static AnimalXmlDS getInstance() {
if (instance == null) {
instance = new AnimalXmlDS("animalDS");
}
return instance;
}
public AnimalXmlDS(String id) {
setID(id);
setRecordXPath("/List/Object");
DataSourceTextField commonNameField = new DataSourceTextField("commonName", "Animal");
DataSourceTextField scientificName = new DataSourceTextField("scientificName",
"Scientific Name");
scientificName.setRequired(true);
scientificName.setPrimaryKey(true);
DataSourceIntegerField lifeSpanField = new DataSourceIntegerField("lifeSpan", "Life Span");
DataSourceTextField statusField = new DataSourceTextField("status", "Endangered Status");
statusField.setValueMap("Threatened", "Endangered", "Not Endangered", "Not currently listed",
"May become threatened", "Protected");
DataSourceTextField dietField = new DataSourceTextField("diet", "Diet");
DataSourceTextField infoField = new DataSourceTextField("information", "Interesting Facts");
infoField.setLength(1000);
DataSourceImageField pictureField = new DataSourceImageField("picture", "Picture");
pictureField.setImageURLPrefix("animals/");
setFields(commonNameField, scientificName, lifeSpanField, statusField, dietField, infoField,
pictureField);
setDataURL("ds/test_data/animals.data.xml");
setClientOnly(true);
}
protected Object transformRequest(DSRequest dsRequest) {
return super.transformRequest(dsRequest);
}
}
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