com.github.bordertech.wcomponents.examples.datatable.SimpleEditableDataTableExample Maven / Gradle / Ivy
package com.github.bordertech.wcomponents.examples.datatable;
import com.github.bordertech.wcomponents.Action;
import com.github.bordertech.wcomponents.ActionEvent;
import com.github.bordertech.wcomponents.Request;
import com.github.bordertech.wcomponents.SimpleTableDataModel;
import com.github.bordertech.wcomponents.TableDataModel;
import com.github.bordertech.wcomponents.WButton;
import com.github.bordertech.wcomponents.WDataTable;
import com.github.bordertech.wcomponents.WPanel;
import com.github.bordertech.wcomponents.WStyledText;
import com.github.bordertech.wcomponents.WTableColumn;
import com.github.bordertech.wcomponents.WTextField;
/**
* This example demonstrates an editable table.
*
* @author Yiannis Paschalidis
* @since 1.0.0
*/
public class SimpleEditableDataTableExample extends WPanel {
/**
* The table used in the example.
*/
private final WDataTable table;
/**
* Creates a DataTableExample.
*/
public SimpleEditableDataTableExample() {
// Create the example table. The data is created on first access by the user.
table = new WDataTable();
table.addColumn(new WTableColumn("First name", new WTextField()));
table.addColumn(new WTableColumn("Last name", new WTextField()));
table.addColumn(new WTableColumn("DOB", new WTextField()));
add(table);
// Create a component to display the table data in text format
final WStyledText dataOutput = new WStyledText() {
@Override
public String getText() {
MyTableDataModel model = (MyTableDataModel) table.getDataModel();
String[][] data = model.getData();
StringBuffer buf = new StringBuffer("Saved data:\n");
for (String[] row : data) {
for (String col : row) {
buf.append(col);
buf.append('\t');
}
buf.append('\n');
}
return buf.toString();
}
};
dataOutput.setWhitespaceMode(WStyledText.WhitespaceMode.PRESERVE);
// Create a button to trigger the display of the data
WButton displayButton = new WButton("Save data");
displayButton.setAction(new Action() {
@Override
public void execute(final ActionEvent event) {
table.updateBeanValue();
}
});
add(displayButton);
add(dataOutput);
}
/**
* Override preparePaintComponent in order to set up the example data the first time that the example is accessed by
* each user.
*
* @param request the request being responded to.
*/
@Override
protected void preparePaintComponent(final Request request) {
if (!isInitialised()) {
table.setDataModel(createTableModel());
setInitialised(true);
}
}
/**
* Creates a simple table data model containing some dummy data.
*
* @return a new data model.
*/
private TableDataModel createTableModel() {
String[][] data = new String[][]{
new String[]{"Joe", "Bloggs", "01/02/1973"},
new String[]{"Jane", "Bloggs", "04/05/1976"},
new String[]{"Kid", "Bloggs", "31/12/1999"}
};
return new MyTableDataModel(data);
}
/**
* An extension of SimpleTableDataModel which allows editing, and also provides an accessor method to retrieve the
* entire data.
*/
private static final class MyTableDataModel extends SimpleTableDataModel {
/**
* The table data.
*/
private final String[][] data;
/**
* Creates a MyTableDataModel.
*
* @param data the table data.
*/
private MyTableDataModel(final String[][] data) {
super(data);
this.data = data;
setEditable(true);
}
/**
* @return Returns the data.
*/
public String[][] getData() {
return data;
}
}
}