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

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Here is the source code for com.foc.vaadin.gui.components.FVRedirectWindow.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 com.vaadin.ui.AbstractSelect.ItemCaptionMode;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.foc.desc.FocObject;
import com.foc.list.FocList;
import com.foc.property.FProperty;
import com.foc.vaadin.FocWebApplication;
import com.foc.vaadin.gui.layouts.FVHorizontalLayout;
import com.foc.vaadin.gui.layouts.FVVerticalLayout;
import com.vaadin.ui.Window;

@SuppressWarnings("serial")
public class FVRedirectWindow extends Window {

    private FVTextField textFieldSelectedObject = null;
    private FVComboBox comboBoxToSelectFrom = null;
    private FocObject selectedObject = null;
    private FocList listToChooseFrom = null;
    private FVButton replaceButton = null;
    private FVButton cancelButton = null;
    private String dataPath = null;

    public FVRedirectWindow(FocList listToChooseFrom, FocObject selectedObject, String dataPath) {
        this.listToChooseFrom = listToChooseFrom;
        this.selectedObject = selectedObject;
        this.dataPath = dataPath;
        init();
    }

    private void init() {
        setWidth("600px");
        setHeight("-1px");
        setCaption("Replace Object references");
        setModal(true);
    }

    public void dispose() {
        if (textFieldSelectedObject != null) {
            textFieldSelectedObject.dispose();
            textFieldSelectedObject = null;
        }
        if (comboBoxToSelectFrom != null) {
            comboBoxToSelectFrom.dispose();
            comboBoxToSelectFrom = null;
        }
        selectedObject = null;
        listToChooseFrom = null;
        if (replaceButton != null) {
            replaceButton.dispose();
            replaceButton = null;
        }
        if (cancelButton != null) {
            cancelButton.dispose();
            cancelButton = null;
        }
        dataPath = null;
    }

    public void popup() {
        FVHorizontalLayout buttonsHorizontalLayout = new FVHorizontalLayout(null);
        buttonsHorizontalLayout.addComponent(getReplaceButton());
        buttonsHorizontalLayout.addComponent(getCancelButton());

        FVVerticalLayout fieldsHorizontalLayout = new FVVerticalLayout(null);
        fieldsHorizontalLayout.addComponent(getSelectedObjectTextField());
        fieldsHorizontalLayout.addComponent(getListToSelectFromComboBox());

        FVVerticalLayout mainVerticalLayout = new FVVerticalLayout();
        mainVerticalLayout.addComponent(fieldsHorizontalLayout);
        mainVerticalLayout.addComponent(buttonsHorizontalLayout);
        mainVerticalLayout.setMargin(true);
        setContent(mainVerticalLayout);

        FocWebApplication.getInstanceForThread().addWindow(this);
    }

    private FVComboBox getListToSelectFromComboBox() {
        if (comboBoxToSelectFrom == null) {
            comboBoxToSelectFrom = new FVComboBox();
            comboBoxToSelectFrom.setWidth("250px");
            comboBoxToSelectFrom.setItemCaptionMode(ItemCaptionMode.ITEM);
            comboBoxToSelectFrom.setCaption("New Replacement");
            comboBoxToSelectFrom.addContainerProperty(dataPath, Object.class, "");
            comboBoxToSelectFrom.setContainerDataSource(listToChooseFrom);
            comboBoxToSelectFrom.setItemCaptionPropertyId(dataPath);
        }
        return comboBoxToSelectFrom;
    }

    private FVTextField getSelectedObjectTextField() {
        if (textFieldSelectedObject == null) {
            textFieldSelectedObject = new FVTextField("Selected Object");
            textFieldSelectedObject.setWidth("250px");
        }
        if (selectedObject != null && dataPath != null) {
            FProperty property = selectedObject.getFocPropertyForPath(dataPath);
            Object value = property != null ? property.getValue() : null;
            if (value != null) {
                textFieldSelectedObject.setValue(String.valueOf(value));
            }
        }
        return textFieldSelectedObject;
    }

    private FVButton getReplaceButton() {
        if (replaceButton == null) {
            replaceButton = new FVButton("Replace");
            replaceButton.addClickListener(new ClickListener() {
                public void buttonClick(ClickEvent event) {
                    if (listToChooseFrom != null && getListToSelectFromComboBox() != null
                            && (Long) getListToSelectFromComboBox().getValue() != null) {
                        FocObject focObjectToRedirectFrom = selectedObject;
                        FocObject focObjectToRedirectTo = listToChooseFrom
                                .searchByReference((Long) getListToSelectFromComboBox().getValue());
                        if (focObjectToRedirectFrom != null) {
                            focObjectToRedirectFrom.referenceCheck_RedirectToNewFocObject(focObjectToRedirectTo);
                        }
                    }
                    close();
                }
            });
        }
        return replaceButton;
    }

    private FVButton getCancelButton() {
        if (cancelButton == null) {
            cancelButton = new FVButton("Cancel");
            cancelButton.addClickListener(new ClickListener() {
                public void buttonClick(ClickEvent event) {
                    close();
                }
            });
        }
        return cancelButton;
    }
}