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/*
* Copyright 2000-2014 Vaadin Ltd.
*
* 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.vaadin.client.metadata;
import com.vaadin.shared.annotations.DelegateToWidget;
import com.vaadin.shared.annotations.NoLayout;
public class Property {
private final Type bean;
private final String name;
public Property(Type bean, String name) {
this.bean = bean;
this.name = name;
}
public Object getValue(Object bean) throws NoDataException {
return TypeDataStore.getValue(this, bean);
}
public void setValue(Object bean, Object value) throws NoDataException {
TypeDataStore.setValue(this, bean, value);
}
public String getDelegateToWidgetMethodName() {
String value = TypeDataStore.getDelegateToWidget(this);
if (value == null) {
return null;
} else {
return DelegateToWidget.Helper.getDelegateTarget(getName(), value);
}
}
public Type getType() throws NoDataException {
return TypeDataStore.getType(this);
}
public Type getBeanType() {
return bean;
}
/**
* The unique signature used to identify this property. The structure of the
* returned string may change without notice and should not be used for any
* other purpose than identification. The signature is currently based on
* the declaring type's signature and the property's name.
*
* @return the unique signature of this property
*/
public String getSignature() {
return bean.getSignature() + "." + name;
}
/**
* Gets the string that is internally used when looking up generated support
* code for this method. This is the same as {@link #getSignature()}, but
* without any type parameters.
*
* @return the string to use for looking up generated support code
*
* @since 7.2
*/
public String getLookupKey() {
return bean.getBaseTypeName() + "." + name;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
} else if (obj instanceof Property) {
Property other = (Property) obj;
return getSignature().equals(other.getSignature());
} else {
return false;
}
}
@Override
public int hashCode() {
return getSignature().hashCode();
}
public String getName() {
return name;
}
@Override
public String toString() {
return getSignature();
}
/**
* Gets the property name formatted for displaying in a user interface. This
* returns a string where e.g. "camelCase" has been converted to
* "Camel case".
*
* @return the name of this property, formatted for humans to read
*/
public String getDisplayName() {
String camelCase = getName();
StringBuilder b = new StringBuilder(camelCase.length());
for (int i = 0; i < camelCase.length(); i++) {
char charAt = camelCase.charAt(i);
if (i == 0) {
// First char always upper case
b.append(Character.toUpperCase(charAt));
} else if (Character.isUpperCase(charAt)) {
b.append(' ');
b.append(Character.toLowerCase(charAt));
} else {
b.append(charAt);
}
}
return b.toString();
}
/**
* Checks whether this property is annotated with {@link NoLayout}.
*
* @since
*
* @return <code>true</code> if this property has a NoLayout annotation;
* otherwise <code>false</code>
*/
public boolean isNoLayout() {
return TypeDataStore.isNoLayoutProperty(this);
}
}
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