/*
* Copyright 2010-2011 Research In Motion Limited.
*
* 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 blackberry.ui.dialog;
import net.rim.device.api.script.Scriptable;
import net.rim.device.api.script.ScriptableFunction;
import net.rim.device.api.ui.UiApplication;
import blackberry.core.FunctionSignature;
import blackberry.core.ScriptableFunctionBase;
/**
* Implementation of asynchronous custom ask function (blackberry.ui.dialog.customAskAsync)
*
* @author dmateescu
*
*/
public class CustomAskAsyncFunction extends ScriptableFunctionBase {
public static final String NAME = "customAskAsync";
/**
* @see blackberry.core.ScriptableFunctionBase#execute(Object, Object[])
*/
public Object execute( Object thiz, Object[] args ) throws Exception {
String message;
String[] buttons;
// the default value of the default choice. The developer cannot change it.
final int defaultChoice = 0;
// callback function
ScriptableFunction callback = (ScriptableFunction) args[ 2 ];
// the default value of the global status. The developer cannot change it.
final boolean global = false;
// message
message = (String) args[ 0 ];
// choices & values
Scriptable stringArray = (Scriptable) args[ 1 ];
int count = stringArray.getElementCount();
buttons = new String[ count ];
for( int i = 0; i < count; i++ ) {
buttons[ i ] = stringArray.getElement( i ).toString();
}
Runnable dr = DialogRunnableFactory.getCustomAskRunnable( message, buttons, defaultChoice, global, callback );
// queue
UiApplication.getUiApplication().invokeLater( dr );
// return value
return Scriptable.UNDEFINED;
}
/**
* @see blackberry.core.ScriptableFunctionBase#getFunctionSignatures()
*/
protected FunctionSignature[] getFunctionSignatures() {
FunctionSignature fs = new FunctionSignature( 3 );
// message
fs.addParam( String.class, true );
// choices
fs.addParam( Scriptable.class, true );
// callback
fs.addParam( ScriptableFunction.class, true );
// filler
fs.addParam( Object.class, false );
return new FunctionSignature[] { fs };
}
}