/*
* Encog(tm) Workbench v3.0
* http://www.heatonresearch.com/encog/
* http://code.google.com/p/encog-java/
* Copyright 2008-2011 Heaton Research, 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.
*
* For more information on Heaton Research copyrights, licenses
* and trademarks visit:
* http://www.heatonresearch.com/copyright
*/
package org.encog.workbench.dialogs.createnetwork;
import java.awt.Frame;
import org.encog.engine.network.activation.ActivationFunction;
import org.encog.workbench.EncogWorkBench;
import org.encog.workbench.dialogs.activation.ActivationDialog;
import org.encog.workbench.dialogs.common.BuildingListField;
import org.encog.workbench.dialogs.common.BuildingListListener;
import org.encog.workbench.dialogs.common.EncogPropertiesDialog;
import org.encog.workbench.dialogs.common.IntegerField;
import org.encog.workbench.dialogs.common.PopupField;
import org.encog.workbench.dialogs.common.PopupListener;
public class CreateFeedforward extends EncogPropertiesDialog implements
BuildingListListener,PopupListener {
private IntegerField inputCount;
private IntegerField outputCount;
private BuildingListField hidden;
private PopupField activationFieldHidden;
private PopupField activationFieldOutput;
private ActivationFunction activationFunctionHidden;
private ActivationFunction activationFunctionOutput;
public CreateFeedforward(Frame owner) {
super(owner);
setTitle("Create Feedforward Network");
setSize(600, 400);
setLocation(200, 200);
addProperty(this.inputCount = new IntegerField("input neurons",
"Input Neuron Count", true, 1, 100000));
addProperty(this.hidden = new BuildingListField("hidden neurons",
"Hidden Layer Counts"));
addProperty(this.outputCount = new IntegerField("output neurons",
"Output Neuron Count", true, 1, 100000));
addProperty(this.activationFieldHidden = new PopupField("activation hidden",
"Activation Function Hidden", true));
addProperty(this.activationFieldOutput = new PopupField("activation output",
"Activation Function Output", true));
render();
}
public IntegerField getInputCount() {
return inputCount;
}
public IntegerField getOutputCount() {
return outputCount;
}
private String askNeurons(int layer) {
String str = EncogWorkBench
.displayInput("How many neurons for hidden layer " + layer
+ "?");
if (str == null)
return null;
else
{
try
{
str = "Hidden Layer " + layer + ": " + Integer.parseInt(str.trim()) + " neurons";
}
catch(NumberFormatException e)
{
EncogWorkBench.displayError("Error", "Enter a valid number.");
return null;
}
}
return str;
}
public void add(BuildingListField list, int index) {
String str = askNeurons(list.getModel().size() + 1);
if (str != null) {
list.getModel().addElement(str);
}
}
public void del(BuildingListField list, int index) {
if (index != -1) {
list.getModel().remove(index);
}
}
public void edit(BuildingListField list, int index) {
if (index != -1) {
String str = askNeurons(index+1);
if (str != null) {
list.getModel().remove(index);
list.getModel().add(index, str);
}
}
}
public BuildingListField getHidden() {
return hidden;
}
public String popup(PopupField field) {
ActivationDialog dialog = new ActivationDialog(EncogWorkBench.getInstance().getMainWindow());
dialog.setActivation(this.activationFunctionHidden);
if( !dialog.process() )
return null;
else if( field==this.activationFieldHidden )
{
this.activationFunctionHidden = dialog.getActivation();
return dialog.getActivation().getClass().getSimpleName();
} else if( field==this.activationFieldOutput )
{
this.activationFunctionOutput = dialog.getActivation();
return dialog.getActivation().getClass().getSimpleName();
}
else
return null;
}
public PopupField getActivationHiddenField() {
return activationFieldHidden;
}
public ActivationFunction getActivationFunctionHidden() {
return activationFunctionHidden;
}
public void setActivationFunctionHidden(ActivationFunction activationFunction) {
this.activationFunctionHidden = activationFunction;
this.activationFieldHidden.setValue(this.activationFunctionHidden.getClass().getSimpleName());
}
public ActivationFunction getActivationFunctionOutput() {
return activationFunctionOutput;
}
public void setActivationFunctionOutput(ActivationFunction activationFunction) {
this.activationFunctionOutput = activationFunction;
this.activationFieldOutput.setValue(this.activationFunctionOutput.getClass().getSimpleName());
}
}