/*
* 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;
import blackberry.ui.dialog.DialogRunnableFactory;
/**
* Implementation of asynchronous color picker dialog
*
* @author jachoi
*
*/
public class ColorPickerAsyncFunction extends ScriptableFunctionBase {
public static final String NAME = "colorPickerAsync";
private final int HEX_BASE = 16;
/**
* @see blackberry.core.ScriptableFunctionBase#execute(Object, Object[])
*/
public Object execute( Object thiz, Object[] args ) throws Exception {
int initialColor = stringToColor( (String) args[ 0 ] );
ScriptableFunction callback = (ScriptableFunction) args[ 1 ];
// create dialog
Runnable dr = DialogRunnableFactory.getColorPickerRunnable( initialColor, callback );
// queue
UiApplication.getUiApplication().invokeLater( dr );
// return value
return Scriptable.UNDEFINED;
}
private int stringToColor(String color) {
if ( color.startsWith( "#" ) ) {
return Integer.parseInt( color.substring( 1 ), HEX_BASE );
}
return Integer.parseInt( color, HEX_BASE );
}
/**
* @see blackberry.core.ScriptableFunctionBase#getFunctionSignatures()
*/
protected FunctionSignature[] getFunctionSignatures() {
FunctionSignature fs = new FunctionSignature( 2 );
// initialColor
fs.addParam( String.class, true );
// callback
fs.addParam( ScriptableFunction.class, true );
return new FunctionSignature[] { fs };
}
}