com.foc.vaadin.gui.components.objectSelectorPopupView.FVObjectSelectorWindow.java Source code

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Here is the source code for com.foc.vaadin.gui.components.objectSelectorPopupView.FVObjectSelectorWindow.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.objectSelectorPopupView;

import com.foc.desc.FocObject;
import com.foc.desc.field.FObjectField;
import com.foc.property.FObject;
import com.foc.property.FProperty;
import com.foc.vaadin.gui.FVIconFactory;
import com.foc.vaadin.gui.components.FVNativeButton;
import com.foc.vaadin.gui.components.FVObjectSelector;
import com.foc.vaadin.gui.components.FVTextField;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.NativeButton;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

@SuppressWarnings("serial")
public class FVObjectSelectorWindow extends Window implements IObjectSelectWindowListener {

    private HorizontalLayout mainHorizontalLayout = null;
    private FVObjectSelector objectSelector = null;
    private FVTextField newValueTextField = null;
    private NativeButton addValueButton = null;
    private FVNativeButton cancelButton = null;
    private String newValue = null;

    public FVObjectSelectorWindow(FVObjectSelector objectSelector, String newValue) {
        this.newValue = newValue;
        this.objectSelector = objectSelector;
        init();
    }

    private void init() {
        setModal(true);
        setResizable(false);
        setWidth("400px");
        setHeight("200px");

        VerticalLayout verticalLayout = new VerticalLayout();
        verticalLayout.setSizeFull();
        verticalLayout.addComponent(getMainHorizontalLayout());
        verticalLayout.setComponentAlignment(getMainHorizontalLayout(), Alignment.MIDDLE_CENTER);
        setContent(verticalLayout);
    }

    public void dispose() {
        mainHorizontalLayout = null;
        if (newValueTextField != null) {
            newValueTextField.dispose();
            newValueTextField = null;
        }
        addValueButton = null;
        objectSelector = null;
        newValue = null;
    }

    public void show() {
        UI.getCurrent().addWindow(this);
    }

    private HorizontalLayout getMainHorizontalLayout() {
        if (mainHorizontalLayout == null) {
            mainHorizontalLayout = new HorizontalLayout();
            mainHorizontalLayout.setSizeUndefined();
            mainHorizontalLayout.addComponent(getNewValueTextField());
            mainHorizontalLayout.addComponent(getAddNewValueButton());
            mainHorizontalLayout.setComponentAlignment(getAddNewValueButton(), Alignment.BOTTOM_LEFT);
            mainHorizontalLayout.addComponent(getCancelButton());
            mainHorizontalLayout.setComponentAlignment(getCancelButton(), Alignment.BOTTOM_LEFT);
        }
        return mainHorizontalLayout;
    }

    private FVTextField getNewValueTextField() {
        if (newValueTextField == null) {
            newValueTextField = new FVTextField("Do you want to add this item?");
            newValueTextField.setValue(newValue);
        }
        return newValueTextField;
    }

    private NativeButton getAddNewValueButton() {
        if (addValueButton == null) {
            addValueButton = new NativeButton();
            addValueButton.setIcon(FVIconFactory.getInstance().getFVIcon_24(FVIconFactory.ICON_ADD));
            addValueButton.addClickListener(new ClickListener() {

                @Override
                public void buttonClick(ClickEvent event) {
                    if (getObjectSelector() != null && getObjectSelector().getComboBox() != null) {
                        getObjectSelector().getComboBox()
                                .setiObjectSelectWindowListener(FVObjectSelectorWindow.this);
                        getObjectSelector().getComboBox().addNewObject();
                    }
                }
            });
        }
        return addValueButton;
    }

    @Override
    public void beforeOpenForm(FocObject focObject) {
        if (getObjectSelector() != null && focObject != null) {
            FObject fObject = getObjectSelector().getFocData();
            FObjectField fObjectField = (FObjectField) ((fObject != null
                    && fObject.getFocField() instanceof FObjectField) ? fObject.getFocField() : null);
            if (fObjectField != null) {
                int fieldId = fObjectField.getDisplayField();
                FProperty property = focObject.getFocProperty(fieldId);
                if (property == null && getObjectSelector() != null
                        && getObjectSelector().getCaptionProperty() != null) {
                    fieldId = focObject.getThisFocDesc().getFieldByName(getObjectSelector().getCaptionProperty())
                            .getID();
                    //               fObjectField = (FObjectField) focObject.getThisFocDesc().getFieldByName(getObjectSelector().getDelegate().getDataPath());
                    property = focObject.getFocProperty(fieldId);
                }
                if (property != null) {
                    property.setValue(newValue);
                }
            }
            close();
        }
    }

    private FVNativeButton getCancelButton() {
        if (cancelButton == null) {
            cancelButton = new FVNativeButton("");
            cancelButton.setIcon(FVIconFactory.getInstance().getFVIcon_24(FVIconFactory.ICON_CANCEL));
            cancelButton.addClickListener(new ClickListener() {

                @Override
                public void buttonClick(ClickEvent event) {
                    close();
                }
            });
        }
        return cancelButton;
    }

    private FVObjectSelector getObjectSelector() {
        return objectSelector;
    }

}