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/*******************************************************************************
* Copyright (c) 2011 Google, Inc.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Google, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.wb.internal.core.model.property.category;
import org.eclipse.wb.internal.core.model.property.Property;
import org.eclipse.wb.internal.core.utils.check.Assert;
/**
* Describes category of {@link Property}.
*
* @author scheglov_ke
* @coverage core.model.property
*/
public final class PropertyCategory {
/**
* "Normal" category, used for properties that should be displayed without any effect.
*/
public static final PropertyCategory NORMAL = new PropertyCategory(0, "NORMAL");
/**
* "Preferred" category, for properties that are most useful for component.
*/
public static final PropertyCategory PREFERRED = new PropertyCategory(-1, "PREFERRED");
/**
* "Advanced" category, for properties that are rarely used, visible if modified, even if not
* enabled.
*/
public static final PropertyCategory ADVANCED = new PropertyCategory(1, "ADVANCED");
/**
* "Advanced" category, for properties that are rarely used, visible only if enabled.
*/
public static final PropertyCategory ADVANCED_REALLY = new PropertyCategory(2, "ADVANCED_REALLY");
/**
* "Hidden" category, for properties that should not be displayed.
*/
public static final PropertyCategory HIDDEN = new PropertyCategory(3, "HIDDEN");
////////////////////////////////////////////////////////////////////////////
//
// System
//
////////////////////////////////////////////////////////////////////////////
/**
* @return the system {@link PropertyCategory} with given priority.
*/
public static final PropertyCategory system(int priority) {
return new PropertyCategory(SYSTEM_BASE + priority, "SYSTEM:" + priority);
}
/**
* @return the system {@link PropertyCategory} with priority
* <code>system.getPriority() + additional</code>.
*/
public static final PropertyCategory system(PropertyCategory system, int additional) {
Assert.isTrue(system.isSystem());
return system(system.getPriority() - SYSTEM_BASE + additional);
}
////////////////////////////////////////////////////////////////////////////
//
// Instance fields
//
////////////////////////////////////////////////////////////////////////////
private static final int SYSTEM_BASE = 1000;
private final int m_priority;
private final String m_string;
////////////////////////////////////////////////////////////////////////////
//
// Constructor
//
////////////////////////////////////////////////////////////////////////////
private PropertyCategory(int priority, String string) {
m_priority = priority;
m_string = string;
}
////////////////////////////////////////////////////////////////////////////
//
// Object
//
////////////////////////////////////////////////////////////////////////////
@Override
public String toString() {
return m_string;
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof PropertyCategory) {
PropertyCategory category = (PropertyCategory) obj;
return m_priority == category.m_priority;
}
// unknown class
return false;
}
@Override
public int hashCode() {
return m_priority;
}
////////////////////////////////////////////////////////////////////////////
//
// Access
//
////////////////////////////////////////////////////////////////////////////
/**
* @return <code>true</code> if this property is preferred.
*/
public boolean isPreferred() {
return this == PREFERRED;
}
/**
* @return <code>true</code> if this property is advanced.
*/
public boolean isAdvanced() {
return this == ADVANCED;
}
/**
* @return <code>true</code> if this property is really advanced.
*/
public boolean isAdvancedReally() {
return this == ADVANCED_REALLY;
}
/**
* @return <code>true</code> if this property is hidden.
*/
public boolean isHidden() {
return this == HIDDEN;
}
/**
* @return <code>true</code> if this property is system.
*/
public boolean isSystem() {
return m_priority >= 900;
}
/**
* @return the priority of this category.
*/
public int getPriority() {
return m_priority;
}
}
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