org.apache.openaz.xacml.admin.view.windows.ObadviceEditorWindow.java Source code

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Here is the source code for org.apache.openaz.xacml.admin.view.windows.ObadviceEditorWindow.java

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/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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 org.apache.openaz.xacml.admin.view.windows;

import org.apache.openaz.xacml.admin.jpa.Obadvice;
import org.apache.openaz.xacml.admin.view.fields.OaExpressionsField;
import com.vaadin.addon.jpacontainer.EntityItem;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.data.fieldgroup.FieldGroup;
import com.vaadin.data.fieldgroup.FieldGroup.CommitException;
import com.vaadin.data.fieldgroup.PropertyId;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.FormLayout;
import com.vaadin.ui.OptionGroup;
import com.vaadin.ui.TextArea;
import com.vaadin.ui.TextField;
import com.vaadin.ui.Window;

public class ObadviceEditorWindow extends Window {

    /*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */

    private static final long serialVersionUID = 1L;
    private ObadviceEditorWindow self = this;

    private FormLayout mainLayout = new FormLayout();

    @PropertyId("type")
    OptionGroup typeOption = new OptionGroup("Type");

    @PropertyId("xacmlId")
    TextField xacmlID = new TextField("Obligation Id");

    @PropertyId("description")
    TextArea descriptionField = new TextArea("Description");

    @PropertyId("fulfillOn")
    OptionGroup fulfillOption = new OptionGroup("Fullfill On");

    @PropertyId("obadviceExpressions")
    OaExpressionsField expressionsField;
    //Table tableExpressions = new Table("Attribute Assignments");

    Button saveButton = new Button("Save");

    private FieldGroup fieldGroup = null;
    private final EntityItem<Obadvice> obad;
    private boolean isSaved = false;

    /**
     * The constructor should first build the main layout, set the
     * composition root and then do any custom initialization.
     *
     * The constructor will not be automatically regenerated by the
     * visual editor.
     * @param caption 
     */
    public ObadviceEditorWindow(EntityItem<Obadvice> obad) {
        this.setContent(mainLayout);
        //
        // Save
        //
        this.obad = obad;
        //
        // Initialize main layout
        //
        this.mainLayout.setMargin(true);
        this.mainLayout.setWidth("-1px");
        //
        // Initialize components
        //
        this.typeOption.setNullSelectionAllowed(false);
        this.typeOption.setImmediate(true);
        this.typeOption.setDescription("Select whether this is an obligation or advice");
        this.typeOption.addItem("Obligation");
        this.typeOption.addItem("Advice");

        this.fulfillOption.setNullSelectionAllowed(true);
        this.fulfillOption
                .setDescription("Optionally restrict the use of the obligation/advice to a Permit or a Deny");
        this.fulfillOption.addItem("Permit");
        this.fulfillOption.addItem("Deny");

        this.descriptionField.setNullRepresentation("");

        this.expressionsField = new OaExpressionsField(this.obad);
        //
        // Add our form components
        //
        this.mainLayout.addComponent(this.typeOption);
        this.mainLayout.addComponent(this.fulfillOption);
        this.mainLayout.addComponent(this.xacmlID);
        this.mainLayout.addComponent(this.descriptionField);
        this.mainLayout.addComponent(this.expressionsField);
        //      this.mainLayout.addComponent(this.tableExpressions);
        this.mainLayout.addComponent(this.saveButton);
        //
        // Now bind those fields to the data
        //
        this.fieldGroup = new FieldGroup(obad);
        this.fieldGroup.bindMemberFields(this);
        //
        // Finish setting up
        //
        this.initializeButtons();
        this.initializeOptions();
        //
        // Set focus
        //
        this.xacmlID.focus();
    }

    private void initializeButtons() {
        this.saveButton.addClickListener(new ClickListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void buttonClick(ClickEvent event) {
                try {
                    fieldGroup.commit();
                    self.isSaved = true;
                    self.close();
                } catch (CommitException e) {
                    e.printStackTrace();
                }
            }

        });
    }

    private void initializeOptions() {
        self.setIDCaption();
        this.typeOption.addValueChangeListener(new ValueChangeListener() {
            private static final long serialVersionUID = 1L;

            @Override
            public void valueChange(ValueChangeEvent event) {
                self.setIDCaption();
            }

        });
    }

    private void setIDCaption() {
        String value = (String) self.typeOption.getValue();
        if (value.equals("Obligation")) {
            self.xacmlID.setCaption("Obligation Id");
        } else {
            self.xacmlID.setCaption("Advice Id");
        }
    }

    public boolean isSaved() {
        return this.isSaved;
    }

    public void discard() {
        //
        //  May be discarded automatically??
        //
        this.fieldGroup.discard();
    }

}