com.foc.vaadin.gui.components.FVMultipleChoiceOptionGroupPopupViewContent.java Source code

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Here is the source code for com.foc.vaadin.gui.components.FVMultipleChoiceOptionGroupPopupViewContent.java

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/*******************************************************************************
 * Copyright 2016 Antoine Nicolas SAMAHA
 * 
 * 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.foc.vaadin.gui.components;

import org.xml.sax.Attributes;

import com.foc.Globals;
import com.foc.desc.field.FMultipleChoiceItem;
import com.foc.property.FMultipleChoice;
import com.foc.property.FProperty;
import com.foc.shared.dataStore.IFocData;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.ui.Component;
import com.vaadin.ui.PopupView;

@SuppressWarnings("serial")
public class FVMultipleChoiceOptionGroupPopupViewContent implements PopupView.Content {

    private FVMultipleChoiceOptionGroup multipleChoiceOptionGroup = null;
    private PopupView popupView = null;
    private FProperty property = null;
    private Attributes attributes = null;

    public FVMultipleChoiceOptionGroupPopupViewContent(FProperty property, Attributes attributes) {
        this.property = property;
        this.attributes = attributes;
    }

    public void dispose() {
        if (multipleChoiceOptionGroup != null) {
            multipleChoiceOptionGroup.dispose();
            multipleChoiceOptionGroup = null;
        }
        property = null;
        attributes = null;
        popupView = null;
    }

    public IFocData getFocData() {
        return property;
    }

    public void setFocData(IFocData focData) {
        try {
            if (focData instanceof FProperty) {
                property = (FProperty) focData;
            }
        } catch (ClassCastException e) {
            Globals.logExceptionWithoutPopup(e);
        }
    }

    @Override
    public String getMinimizedValueAsHTML() {
        String value = " - ? - ";
        if (getFocData() != null) {
            value = (String) getFocData().iFocData_getValue();
        }
        String html = FVObjectPopupViewContent.getPopupDorpdownHtmlImg(value);
        return html;
    }

    @Override
    public Component getPopupComponent() {
        return getPopupComponent(true);
    }

    public Component getPopupComponent(boolean createIfNeeded) {
        if (multipleChoiceOptionGroup == null && createIfNeeded) {
            multipleChoiceOptionGroup = new FVMultipleChoiceOptionGroup(property, attributes);
            if (getFocData() != null) {
                FMultipleChoiceItem multipleChoiceItem = (FMultipleChoiceItem) ((FMultipleChoice) getFocData())
                        .getValue();
                if (multipleChoiceItem != null) {
                    multipleChoiceOptionGroup.setValue(multipleChoiceItem);
                }
            }
            multipleChoiceOptionGroup.addValueChangeListener(new ValueChangeListener() {
                @Override
                public void valueChange(ValueChangeEvent event) {
                    if (event != null && event.getProperty() != null && event.getProperty().getValue() != null
                            && event.getProperty().getValue() instanceof FMultipleChoiceItem && property != null) {
                        if (getPopupView() != null) {
                            getPopupView().setPopupVisible(false);
                        }
                        FMultipleChoiceItem multipleChoiceItem = (FMultipleChoiceItem) event.getProperty()
                                .getValue();
                        if (multipleChoiceItem != null) {
                            property.setObject(multipleChoiceItem.getTitle());
                        }
                    }
                }
            });
        }
        return multipleChoiceOptionGroup;
    }

    public PopupView getPopupView() {
        return popupView;
    }

    public void setPopupView(PopupView popupView) {
        this.popupView = popupView;
    }

}