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

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Here is the source code for org.apache.openaz.xacml.admin.view.windows.ExpressionSelectionWindow.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 oasis.names.tc.xacml._3_0.core.schema.wd_17.ApplyType;

import com.vaadin.annotations.AutoGenerated;
import com.vaadin.event.ShortcutAction.KeyCode;
import com.vaadin.ui.Alignment;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Button.ClickListener;
import com.vaadin.ui.OptionGroup;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

public class ExpressionSelectionWindow extends Window {

    public static String OPTION_APPLY = "Apply";
    public static String OPTION_VALUE = "Attribute Value";
    public static String OPTION_DESIGNATOR = "Attribute Designator";
    public static String OPTION_SELECTOR = "Attribute Selector";
    public static String OPTION_VARIABLE = "Variable Reference";

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

    @AutoGenerated
    private VerticalLayout mainLayout;
    @AutoGenerated
    private Button buttonSave;
    @AutoGenerated
    private OptionGroup optionGroupExpression;
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private final ExpressionSelectionWindow self = this;
    boolean isSaved = false;
    String selection = null;

    /**
     * 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 parentApply 
     */
    // TODO - Refactor.  Unused formal parameter parentApply.  Either determine
    // whether this is unnecessary and remove it (including removing it from all 
    // constructor consumers), or use it.
    // NOTE: parentApply was originally used by passing to private initializeOption method.
    //       However, the parameter was unused by that method also.
    //       Setting to NOPMD for now.
    public ExpressionSelectionWindow(ApplyType parentApply, boolean isAttributeAssignment, boolean mustBeBag,
            boolean mustBeValue) { //NOPMD
        buildMainLayout();
        //setCompositionRoot(mainLayout);
        setContent(mainLayout);
        //
        // Set our shortcuts
        //
        this.setCloseShortcut(KeyCode.ESCAPE);
        //
        // Finish GUI initialization
        //
        // this.initializeOption(parentApply, isAttributeAssignment, mustBeBag, mustBeValue);
        this.initializeOption(isAttributeAssignment, mustBeBag, mustBeValue);
        this.initializeButtons();
    }

    // private void initializeOption(ApplyType parentApply, boolean isAttributeAssignment, boolean mustBeBag, boolean mustBeValue) {
    private void initializeOption(boolean isAttributeAssignment, boolean mustBeBag, boolean mustBeValue) {
        //      if (!isAttributeAssignment) {
        this.optionGroupExpression.addItem(OPTION_APPLY);
        //      }
        if (!mustBeBag || mustBeValue) {
            this.optionGroupExpression.addItem(OPTION_VALUE);
        }
        if (mustBeBag || !mustBeValue) {
            this.optionGroupExpression.addItem(OPTION_DESIGNATOR);
            this.optionGroupExpression.addItem(OPTION_SELECTOR);
        }
        this.optionGroupExpression.addItem(OPTION_VARIABLE);
        //
        // Default Selection
        //
        if (!isAttributeAssignment) {
            this.optionGroupExpression.select(OPTION_APPLY);
        } else {
            if (!mustBeBag || mustBeValue) {
                this.optionGroupExpression.select(OPTION_VALUE);
            } else {
                this.optionGroupExpression.select(OPTION_DESIGNATOR);
            }
        }
    }

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

            @Override
            public void buttonClick(ClickEvent event) {
                self.isSaved = true;
                self.selection = self.optionGroupExpression.getValue().toString();
                self.close();
            }
        });
    }

    public String getSelection() {
        if (this.isSaved == false) {
            return null;
        }
        return this.selection;
    }

    @AutoGenerated
    private VerticalLayout buildMainLayout() {
        // common part: create layout
        mainLayout = new VerticalLayout();
        mainLayout.setImmediate(false);
        mainLayout.setWidth("-1px");
        mainLayout.setHeight("-1px");
        mainLayout.setMargin(true);
        mainLayout.setSpacing(true);

        // top-level component properties
        setWidth("-1px");
        setHeight("-1px");

        // optionGroupExpression
        optionGroupExpression = new OptionGroup();
        optionGroupExpression.setCaption("Select One Of The Following Types of Expressions");
        optionGroupExpression.setImmediate(false);
        optionGroupExpression.setWidth("-1px");
        optionGroupExpression.setHeight("-1px");
        mainLayout.addComponent(optionGroupExpression);

        // buttonSave
        buttonSave = new Button();
        buttonSave.setCaption("Select");
        buttonSave.setImmediate(false);
        buttonSave.setWidth("-1px");
        buttonSave.setHeight("-1px");
        mainLayout.addComponent(buttonSave);
        mainLayout.setComponentAlignment(buttonSave, new Alignment(24));

        return mainLayout;
    }

}