package com.smartgwt.sample.showcase.client.grid.dataoperation;
import com.smartgwt.client.rpc.RPCManager;
import com.smartgwt.client.util.SC;
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.grid.ListGrid;
import com.smartgwt.client.widgets.grid.ListGridField;
import com.smartgwt.client.widgets.grid.ListGridRecord;
import com.smartgwt.sample.showcase.client.PanelFactory;
import com.smartgwt.sample.showcase.client.ShowcasePanel;
import com.smartgwt.sample.showcase.client.data.WorldXmlDS;
public class GridDataBoundRemoveSample extends ShowcasePanel {
private static final String DESCRIPTION = "Click \"Remove first\" to remove (delete) the first record in the list from the server. "
+ "Click the other buttons to remove records based on your selection (click, Ctrl-click, or Shift-click "
+ "in the list to select records).";
public static class Factory implements PanelFactory {
private String id;
public ShowcasePanel create() {
GridDataBoundRemoveSample panel = new GridDataBoundRemoveSample();
id = panel.getID();
return panel;
}
public String getID() {
return id;
}
public String getDescription() {
return DESCRIPTION;
}
}
public Canvas getViewPanel() {
Canvas canvas = new Canvas();
final ListGrid countryGrid = new ListGrid();
countryGrid.setWidth(500);
countryGrid.setHeight(224);
countryGrid.setDataSource(WorldXmlDS.getInstance());
ListGridField countryCodeField = new ListGridField("countryCode", "Country Code");
ListGridField nameField = new ListGridField("countryName", "Country");
ListGridField capitalField = new ListGridField("capital", "Capital");
ListGridField continentField = new ListGridField("continent", "Continent");
countryGrid.setFields(countryCodeField, nameField, capitalField, continentField);
countryGrid.setSortField(1);
countryGrid.setDataPageSize(50);
countryGrid.setAutoFetchData(true);
IButton removeFirst = new IButton("Remove First");
removeFirst.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
countryGrid.removeData(countryGrid.getRecord(0));
}
});
removeFirst.setLeft(0);
removeFirst.setTop(240);
removeFirst.setWidth(145);
IButton removeSelected = new IButton("Remove First Selected");
removeSelected.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
ListGridRecord selectedRecord = countryGrid.getSelectedRecord();
if(selectedRecord != null) {
countryGrid.removeData(selectedRecord);
} else {
SC.say("Select a record before performing this action");
}
}
});
removeSelected.setLeft(160);
removeSelected.setTop(240);
removeSelected.setWidth(150);
IButton removeAll = new IButton("Remove All Selected");
removeAll.addClickHandler(new ClickHandler() {
public void onClick(ClickEvent event) {
ListGridRecord[] selectedRecords = countryGrid.getSelection();
boolean wasQueuing = RPCManager.startQueue();
for(ListGridRecord rec: selectedRecords) {
countryGrid.removeData(rec);
}
if (!wasQueuing) RPCManager.sendQueue();
}
});
removeAll.setLeft(320);
removeAll.setTop(240);
removeAll.setWidth(140);
canvas.addChild(countryGrid);
canvas.addChild(removeFirst);
canvas.addChild(removeSelected);
canvas.addChild(removeAll);
return canvas;
}
public String getIntro() {
return DESCRIPTION;
}
}