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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.AttributeValueType;
import org.apache.openaz.xacml.admin.XacmlAdminUI;
import org.apache.openaz.xacml.admin.jpa.Datatype;
import org.apache.openaz.xacml.admin.util.JPAUtils;
import org.apache.openaz.xacml.admin.view.validators.ValidatorFactory;
import com.vaadin.addon.jpacontainer.EntityItem;
import com.vaadin.addon.jpacontainer.fieldfactory.SingleSelectConverter;
import com.vaadin.annotations.AutoGenerated;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.data.Validator;
import com.vaadin.data.Validator.InvalidValueException;
import com.vaadin.event.ShortcutAction.KeyCode;
import com.vaadin.shared.ui.combobox.FilteringMode;
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.ComboBox;
import com.vaadin.ui.TextField;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
public class AttributeValueEditorWindow 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 TextField textFieldValue;
@AutoGenerated
private ComboBox comboBoxDatatype;
private static final long serialVersionUID = 1L;
private final AttributeValueEditorWindow self = this;
private final Datatype datatypeRestriction;
private final AttributeValueType value;
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.
*/
public AttributeValueEditorWindow(AttributeValueType value, Datatype datatypeRestriction) {
buildMainLayout();
//setCompositionRoot(mainLayout);
setContent(mainLayout);
//
// Save
//
this.value = value;
this.datatypeRestriction = datatypeRestriction;
//
// Make sure the value has the same datatype as the restriction
//
if (this.datatypeRestriction != null) {
this.value.setDataType(this.datatypeRestriction.getXacmlId());
}
//
// Set our shortcuts
//
this.setCloseShortcut(KeyCode.ESCAPE);
//
// Initialize GUI
//
this.initializeCombo();
this.initializeTextField();
this.initializeButtons();
//
// Focus?
//
if (this.datatypeRestriction == null) {
this.comboBoxDatatype.focus();
} else {
this.textFieldValue.focus();
}
}
protected void initializeCombo() {
this.comboBoxDatatype.setContainerDataSource(((XacmlAdminUI) UI.getCurrent()).getDatatypes());
this.comboBoxDatatype.setItemCaptionMode(ItemCaptionMode.PROPERTY);
this.comboBoxDatatype.setItemCaptionPropertyId("xacmlId");
this.comboBoxDatatype.setFilteringMode(FilteringMode.CONTAINS);
this.comboBoxDatatype.setImmediate(true);
this.comboBoxDatatype.setNullSelectionAllowed(false);
this.comboBoxDatatype.setConverter(new SingleSelectConverter<Object>(this.comboBoxDatatype));
//
// Select a value if its defined
//
if (this.datatypeRestriction != null) {
this.comboBoxDatatype.select(this.datatypeRestriction.getId());
} else if (this.value.getDataType() != null) {
this.comboBoxDatatype.select(JPAUtils.findDatatype(this.value.getDataType()).getId());
}
//
// Can the user change the datatype?
//
if (this.datatypeRestriction != null) {
this.comboBoxDatatype.setEnabled(false);
return;
}
//
// Listen to events
//
this.comboBoxDatatype.addValueChangeListener(new ValueChangeListener() {
private static final long serialVersionUID = 1L;
@Override
public void valueChange(ValueChangeEvent event) {
Object id = self.comboBoxDatatype.getValue();
assert id != null;
//
// Get the entity and save it
//
EntityItem<Datatype> entity = ((XacmlAdminUI) UI.getCurrent()).getDatatypes().getItem(id);
self.value.setDataType(entity.getEntity().getXacmlId());
//
// Reset the validator
//
self.textFieldValue.removeAllValidators();
Validator validator = ValidatorFactory.newInstance(entity.getEntity());
if (validator != null) {
self.textFieldValue.addValidator(validator);
}
}
});
}
protected void initializeTextField() {
//
// GUI properties
//
this.textFieldValue.setImmediate(true);
this.textFieldValue.setNullRepresentation("");
//
// Setup validator
//
if (this.datatypeRestriction != null) {
Validator validator = ValidatorFactory.newInstance(this.datatypeRestriction);
if (validator != null) {
this.textFieldValue.addValidator(validator);
}
}
//
// Text change or Value Change?
//
this.textFieldValue.addValueChangeListener(new ValueChangeListener() {
private static final long serialVersionUID = 1L;
@Override
public void valueChange(ValueChangeEvent event) {
//
// Save the new value. TODO - assuming position 0 of content list.
//
self.saveValue(0, self.textFieldValue.getValue());
//
// Setup the save button
//
if (self.textFieldValue.getValue() == null || self.textFieldValue.getValue().isEmpty()) {
self.buttonSave.setEnabled(false);
} else {
self.buttonSave.setEnabled(true);
}
}
});
//
// Initialize the value
//
if (this.value != null && this.value.getContent().isEmpty() == false) {
//
// TODO - If there are multiple Content objects...Right now we work with the first one only.
//
this.textFieldValue.setValue(this.value.getContent().get(0).toString());
}
}
protected void saveValue(int i, String value) {
//
// Get the content - TODO
//
if (this.value.getContent().isEmpty()) {
this.value.getContent().add(value);
return;
}
Object o = this.value.getContent().get(i);
if (o == null) {
//
// Add it into the list - ensure its a
//
assert this.value.getContent().size() == i;
this.value.getContent().add(value);
} else {
//
// Overwrite the previous object
//
this.value.getContent().set(i, value);
}
}
protected void initializeButtons() {
this.buttonSave.setClickShortcut(KeyCode.ENTER);
this.buttonSave.addClickListener(new ClickListener() {
private static final long serialVersionUID = 1L;
@Override
public void buttonClick(ClickEvent event) {
try {
//
// Make sure it validates (i.e. call the Validators)
//
self.comboBoxDatatype.validate();
self.textFieldValue.validate();
//
// Yes
//
self.isSaved = true;
//
// Close
//
self.close();
} catch (InvalidValueException e) { //NOPMD
//
// Vaadin with update GUI displaying the error
//
}
}
});
}
public boolean isSaved() {
return this.isSaved;
}
public String getValue() {
return this.textFieldValue.getValue();
}
public AttributeValueType getAttribute() {
return this.value;
}
public Datatype getDatatype() {
return JPAUtils.findDatatype(this.value.getDataType());
}
@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");
// comboBoxDatatype
comboBoxDatatype = new ComboBox();
comboBoxDatatype.setCaption("Select Datatype");
comboBoxDatatype.setImmediate(false);
comboBoxDatatype.setWidth("-1px");
comboBoxDatatype.setHeight("-1px");
comboBoxDatatype.setInvalidAllowed(false);
comboBoxDatatype.setRequired(true);
mainLayout.addComponent(comboBoxDatatype);
// textFieldValue
textFieldValue = new TextField();
textFieldValue.setCaption("Attribute Value");
textFieldValue.setImmediate(false);
textFieldValue.setWidth("100.0%");
textFieldValue.setHeight("-1px");
textFieldValue.setInvalidAllowed(false);
textFieldValue.setRequired(true);
mainLayout.addComponent(textFieldValue);
// 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;
}
}