piramide.interaction.reasoner.web.client.ui.fuzzy.LinguisticTermsManagerPanel.java Source code

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Here is the source code for piramide.interaction.reasoner.web.client.ui.fuzzy.LinguisticTermsManagerPanel.java

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/*
 * Copyright (C) 2010 PIRAmIDE-SP3 authors
 *
 * 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.
 * 
 * This software consists of contributions made by many individuals, 
 * listed below:
 *
 * Author: Aitor Almeida <aitor.almeida@deusto.es>
 *         Pablo Ordua <pablo.orduna@deusto.es>
 *         Eduardo Castillejo <eduardo.castillejo@deusto.es>
 *
 */
package piramide.interaction.reasoner.web.client.ui.fuzzy;

import piramide.interaction.reasoner.web.client.ui.IMainWindow;
import piramide.interaction.reasoner.web.client.ui.common.i18n.IPiramideMessages;
import piramide.interaction.reasoner.web.shared.model.FuzzyConfiguration;
import piramide.interaction.reasoner.web.shared.model.Variable;

import com.google.gwt.core.client.GWT;
import com.google.gwt.event.dom.client.ClickEvent;
import com.google.gwt.uibinder.client.UiBinder;
import com.google.gwt.uibinder.client.UiField;
import com.google.gwt.uibinder.client.UiHandler;
import com.google.gwt.user.client.ui.Composite;
import com.google.gwt.user.client.ui.DialogBox;
import com.google.gwt.user.client.ui.Label;
import com.google.gwt.user.client.ui.VerticalPanel;
import com.google.gwt.user.client.ui.Widget;

public class LinguisticTermsManagerPanel extends Composite {

    private static IPiramideMessages messages = GWT.create(IPiramideMessages.class);

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

    interface LinguisticTermsManagerPanelUiBinder extends UiBinder<Widget, LinguisticTermsManagerPanel> {
    }

    @UiField
    VerticalPanel mainPanel;

    private final IMainWindow mainWindow;
    private int counter = 0;

    public LinguisticTermsManagerPanel(IMainWindow mainWindow) {
        this.mainWindow = mainWindow;

        initWidget(uiBinder.createAndBindUi(this));

        final FuzzyConfiguration fuzzyConfiguration = this.mainWindow.getFuzzyConfiguration();

        for (Variable var : fuzzyConfiguration.getInput().getDeviceVariables())
            this.add(var, true, true);

        for (Variable var : fuzzyConfiguration.getInput().getUserVariables())
            this.add(var, true, false);

        for (Variable var : fuzzyConfiguration.getOutput().getVariables())
            this.add(var, false, true);

        checkEmpty();
    }

    private boolean isEmpty() {
        return this.counter == 0;
    }

    private void checkEmpty() {
        if (isEmpty()) {
            final Label emptyLabel = new Label("<empty>");
            emptyLabel.setStyleName("error");
            this.mainPanel.add(emptyLabel);
        }
    }

    @UiHandler("addVariableButton")
    void onAddVariableButtonClicked(ClickEvent event) {
        final DialogBox dialogBox = new DialogBox();
        final AddEditLinguisticTermPanel term = new AddEditLinguisticTermPanel(this.mainWindow, dialogBox, this);

        dialogBox.setWidget(term);

        dialogBox.setWidth("500px");
        dialogBox.setText(messages.edit());

        dialogBox.setGlassEnabled(true);
        dialogBox.center();
        dialogBox.show();
    }

    void delete(VariableItem variableItem) {
        final FuzzyConfiguration fuzzyConfiguration = this.mainWindow.getFuzzyConfiguration();
        if (variableItem.isInput()) {
            if (variableItem.isDeviceOrUser())
                fuzzyConfiguration.getInput().getDeviceVariables().remove(variableItem.getVariable());
            else
                fuzzyConfiguration.getInput().getUserVariables().remove(variableItem.getVariable());
        } else {
            fuzzyConfiguration.getOutput().getVariables().remove(variableItem.getVariable());
        }
        this.mainPanel.remove(variableItem);
        this.counter--;

        checkEmpty();
    }

    void add(Variable var, boolean input, boolean deviceUser) {
        if (isEmpty())
            this.mainPanel.clear();

        this.mainPanel.add(new VariableItem(this.mainWindow, var.getName(), input, deviceUser, var, this));
        this.counter++;
    }
}