/* Copyright (c) 2010 Zhihua (Dennis) Jiang
 * 
 * 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.gwtmobile.ui.kitchensink.client.phonegap;

import com.google.gwt.core.client.*;
import com.google.gwt.uibinder.client.*;
import com.google.gwt.user.client.ui.*;
import com.gwtmobile.phonegap.client.Storage.*;
import com.gwtmobile.ui.client.event.*;
import com.gwtmobile.ui.client.page.*;

public class StorageUi extends Page {

    private static StorageUiUiBinder uiBinder = GWT.create( StorageUiUiBinder.class );

    @UiField HTML text;

    interface StorageUiUiBinder extends UiBinder<Widget, StorageUi> {
    }

    public StorageUi() {
        initWidget( uiBinder.createAndBindUi( this ) );
    }

    @UiHandler("list")
    void onListSelectionChanged( SelectionChangedEvent e ) {
        switch ( e.getSelection() ) {
            case 0:
                key();
                break;
            case 1:
                setItem();
                break;
            case 2:
                getItem();
                break;
            case 3:
                removeItem();
                break;
            case 4:
                clear();
                break;
        }
    }

    private void key() {
        String key = LocalStorage.key( 0 );
        text.setHTML( "Key name at location 0 '" + key + "'" );
    }

    private void setItem() {
        String key = "key1";
        String value = "value1";
        LocalStorage.setItem( key, value );
        text.setHTML( "Item set, Key: " + key + ", Value: " + value );
    }

    private void getItem() {
        String key = "key1";
        String value = LocalStorage.getItem( key );
        text.setHTML( "Value on Key " + key + ": " + value );
    }

    private void removeItem() {
        String key = "key1";
        LocalStorage.removeItem( key );
        text.setHTML( "Storage with key " + key + "removed" );
    }

    private void clear() {
        LocalStorage.clear();
        text.setHTML( "Storage cleared." );
    }
}