com.google.gwt.gen2.demo.scrolltable.client.option.paging.ModeSelectionOption.java Source code

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Here is the source code for com.google.gwt.gen2.demo.scrolltable.client.option.paging.ModeSelectionOption.java

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/*
 * Copyright 2008 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.gen2.demo.scrolltable.client.option.paging;

import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.event.dom.client.ClickHandler;
import com.google.gwt.gen2.demo.scrolltable.client.PagingScrollTableDemo;
import com.google.gwt.gen2.demo.scrolltable.client.option.AbstractOption;
import com.google.gwt.gen2.table.override.client.FlexTable;
import com.google.gwt.user.client.ui.Button;
import com.google.gwt.user.client.ui.Widget;

/**
 * An option.
 */
public class ModeSelectionOption extends AbstractOption {
    /**
     * The main layout widget.
     */
    private FlexTable layout = new FlexTable();

    @Override
    protected String getDescription() {
        return "The following modes are useful for debugging";
    }

    @Override
    protected Widget onInitialize() {
        layout.setBorderWidth(2);

        // Labels
        {
            int rowCount = layout.getRowCount();
            layout.setHTML(rowCount, 0, "<b>Mode</b>");
            layout.setHTML(rowCount, 1, "<b>Status</b>");
            layout.setHTML(rowCount, 2, "<b>Description</b>");
        }

        // Error Mode
        {
            final int rowCount = layout.getRowCount();
            Button button = new Button("Toggle Error Mode", new ClickHandler() {
                public void onClick(ClickEvent event) {
                    if (PagingScrollTableDemo.get().getTableModel().isErrorModeEnabled()) {
                        PagingScrollTableDemo.get().getTableModel().setErrorModeEnabled(false);
                        layout.setText(rowCount, 1, "disabled");
                    } else {
                        PagingScrollTableDemo.get().getTableModel().setErrorModeEnabled(true);
                        layout.setText(rowCount, 1, "enabled");
                    }
                }
            });
            layout.setWidget(rowCount, 0, button);
            layout.setText(rowCount, 1, "disabled");
            layout.setText(rowCount, 2, "If the table model throws an error during "
                    + "a paging request, the ScrollTable will display the error " + "gracefully.");
        }

        // RPC Mode
        {
            final int rowCount = layout.getRowCount();
            Button button = new Button("Toggle RPC Mode", new ClickHandler() {
                public void onClick(ClickEvent event) {
                    if (PagingScrollTableDemo.get().getTableModel().isRPCModeEnabled()) {
                        PagingScrollTableDemo.get().getTableModel().setRPCModeEnabled(false);
                        layout.setText(rowCount, 1, "disabled");
                    } else {
                        PagingScrollTableDemo.get().getTableModel().setRPCModeEnabled(true);
                        layout.setText(rowCount, 1, "enabled");
                    }
                }
            });
            layout.setWidget(rowCount, 0, button);
            layout.setText(rowCount, 1, "disabled");
            layout.setText(rowCount, 2, "Retrieve data from a server using an RPC "
                    + "request instead of generating data locally. " + "This requests an RPC server.");
        }

        // Zero Mode
        {
            final int rowCount = layout.getRowCount();
            Button button = new Button("Toggle Zero Mode", new ClickHandler() {
                public void onClick(ClickEvent event) {
                    if (PagingScrollTableDemo.get().getTableModel().isZeroModeEnabled()) {
                        PagingScrollTableDemo.get().getTableModel().setZeroModeEnabled(false);
                        layout.setText(rowCount, 1, "disabled");
                    } else {
                        PagingScrollTableDemo.get().getTableModel().setZeroModeEnabled(true);
                        layout.setText(rowCount, 1, "enabled");
                    }
                }
            });
            layout.setWidget(rowCount, 0, button);
            layout.setText(rowCount, 1, "disabled");
            layout.setText(rowCount, 2, "Enable to return zero results for each "
                    + "request, resulting in a special widget being display.");
        }

        // Add the description
        return layout;
    }
}