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

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Here is the source code for org.apache.openaz.xacml.admin.view.windows.SelectPDPGroupWindow.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 java.util.Set;

import org.apache.openaz.xacml.api.pap.PDPGroup;
import com.vaadin.annotations.AutoGenerated;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.event.ShortcutAction.KeyCode;
import com.vaadin.ui.AbstractSelect.ItemCaptionMode;
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.ListSelect;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;

public class SelectPDPGroupWindow extends Window {

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

    @AutoGenerated
    private VerticalLayout mainLayout;
    @AutoGenerated
    private Button buttonSave;
    @AutoGenerated
    private ListSelect listSelectPDPGroup;
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    private final SelectPDPGroupWindow self = this;

    private boolean saved = false;

    private PDPGroup selectedGroup = 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.
     */
    // TODO - Refactor.  Unused formal parameter: caption. Either determine
    // that this parameter is unnecessary and remove it (including removing
    // it from all constructor method consumers), or use it.
    // NOTE: Setting to NOPMD for now.
    public SelectPDPGroupWindow(Set<PDPGroup> groups, String caption) { //NOPMD
        buildMainLayout();
        //setCompositionRoot(mainLayout);
        setContent(mainLayout);
        //
        // Setup the shortcuts
        //
        this.setCloseShortcut(KeyCode.ESCAPE);
        this.buttonSave.setClickShortcut(KeyCode.ENTER);
        //
        // initialize
        //
        this.initialize(groups);
        //
        // Focus
        //
        this.listSelectPDPGroup.focus();
        //
        // setup the button
        //
        this.setupButtons();
    }

    protected void initialize(Set<PDPGroup> groups) {
        //
        // Initialize the list
        //
        this.initializeSelect(groups);
        //
        // Buttons
        //
        this.initializeButtons();
    }

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

            @Override
            public void buttonClick(ClickEvent event) {
                //
                // Get the selected value
                //
                self.selectedGroup = (PDPGroup) self.listSelectPDPGroup.getValue();
                assert self.selectedGroup != null;
                //
                // Mark ourselves as saved
                //
                self.saved = true;
                //
                // Close window
                //
                self.close();
            }
        });
    }

    public boolean isSaved() {
        return saved;
    }

    public PDPGroup selectedGroup() {
        return this.selectedGroup;
    }

    private void initializeSelect(Set<PDPGroup> groups) {
        //
        // Initialize GUI properties
        //
        this.listSelectPDPGroup.setImmediate(true);
        this.listSelectPDPGroup.setItemCaptionMode(ItemCaptionMode.EXPLICIT);
        this.listSelectPDPGroup.setNullSelectionAllowed(false);
        this.listSelectPDPGroup.setNewItemsAllowed(false);
        this.listSelectPDPGroup.setMultiSelect(false);
        //
        // Add items
        //
        for (PDPGroup group : groups) {
            this.listSelectPDPGroup.addItem(group);
            this.listSelectPDPGroup.setItemCaption(group, group.getName());
        }
        //
        // Listen to events
        //
        this.listSelectPDPGroup.addValueChangeListener(new ValueChangeListener() {
            private static final long serialVersionUID = 1L;

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

    protected void setupButtons() {
        if (self.listSelectPDPGroup.getValue() == null) {
            self.buttonSave.setEnabled(false);
        } else {
            self.buttonSave.setEnabled(true);
        }
    }

    @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");

        // listSelectPDPGroup
        listSelectPDPGroup = new ListSelect();
        listSelectPDPGroup.setImmediate(false);
        listSelectPDPGroup.setWidth("-1px");
        listSelectPDPGroup.setHeight("-1px");
        listSelectPDPGroup.setInvalidAllowed(false);
        listSelectPDPGroup.setRequired(true);
        mainLayout.addComponent(listSelectPDPGroup);
        mainLayout.setExpandRatio(listSelectPDPGroup, 1.0f);

        // buttonSave
        buttonSave = new Button();
        buttonSave.setCaption("Save");
        buttonSave.setImmediate(true);
        buttonSave.setWidth("-1px");
        buttonSave.setHeight("-1px");
        mainLayout.addComponent(buttonSave);
        mainLayout.setComponentAlignment(buttonSave, new Alignment(48));

        return mainLayout;
    }

}