/*
* Copyright 2007 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.gwt.demos.scrolltable.client;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.ClickListener;
import com.google.gwt.user.client.ui.Grid;
import com.google.gwt.user.client.ui.ListBox;
import com.google.gwt.user.client.ui.Widget;
import com.google.gwt.widgetideas.table.client.FixedWidthGrid;
import com.google.gwt.widgetideas.table.client.SelectionGrid;
/**
* A tab panel of various options related to row selection and highlighting.
*/
public class DemoTabHighlighting extends DemoTab implements ClickListener {
/**
* The description of row selection.
*/
private static final String DESC_SELECTION = "Row selection allows the user "
+ "to select one or more rows from the table "
+ "using mouse clicks. Use the ctrl button to add to the selected rows, "
+ "and use the shift button to select multiple rows in a range.";
/**
* The drop box of selection options.
*/
private ListBox selectionPolicyBox = new ListBox();
/**
* The button used to set the selection policy.
*/
private Button selectionPolicyButton = new Button("Set Selection Policy",
this);
/**
* Handle click events from the buttons in this panel.
*
* @param sender
*/
public void onClick(Widget sender) {
FixedWidthGrid dataTable = ScrollTableDemo.getDataTable();
if (sender == selectionPolicyButton) {
// Set Selection Policy
String selection = selectionPolicyBox.getValue(selectionPolicyBox.getSelectedIndex());
if (selection.equals("Multi Row")) {
dataTable.setSelectionPolicy(SelectionGrid.SelectionPolicy.MULTI_ROW);
} else if (selection.equals("Single Row")) {
dataTable.setSelectionPolicy(SelectionGrid.SelectionPolicy.ONE_ROW);
} else {
dataTable.setSelectionPolicy(SelectionGrid.SelectionPolicy.DISABLED);
}
}
}
@Override
protected Widget onInitialize() {
Grid grid = new Grid(1, 3);
grid.setBorderWidth(2);
grid.setCellPadding(3);
grid.setCellSpacing(0);
// Toggle selection
selectionPolicyBox.addItem("Multi Row");
selectionPolicyBox.addItem("Single Row");
selectionPolicyBox.addItem("Disabled");
grid.setWidget(0, 0, selectionPolicyButton);
grid.setWidget(0, 1, selectionPolicyBox);
grid.setHTML(0, 2, DESC_SELECTION);
return grid;
}
}