xy.reflect.ui.info.field.PublicFieldInfo Maven / Gradle / Ivy

/*******************************************************************************
 * Copyright (C) 2018 OTK Software
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * The GNU General Public License allows you also to freely redistribute 
 * the libraries under the same license, if you provide the terms of the 
 * GNU General Public License with them and add the following 
 * copyright notice at the appropriate place (with a link to 
 * http://javacollection.net/reflectionui/ web site when possible).
 ******************************************************************************/
package xy.reflect.ui.info.field;

import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import java.util.Collections;
import java.util.Map;

import xy.reflect.ui.ReflectionUI;
import xy.reflect.ui.info.AbstractInfo;
import xy.reflect.ui.info.InfoCategory;
import xy.reflect.ui.info.ValueReturnMode;
import xy.reflect.ui.info.filter.IInfoFilter;
import xy.reflect.ui.info.type.ITypeInfo;
import xy.reflect.ui.info.type.source.JavaTypeInfoSource;
import xy.reflect.ui.info.type.source.SpecificitiesIdentifier;
import xy.reflect.ui.util.ReflectionUIError;
import xy.reflect.ui.util.ReflectionUIUtils;

public class PublicFieldInfo extends AbstractInfo implements IFieldInfo {

	protected Field javaField;
	protected ReflectionUI reflectionUI;
	protected ITypeInfo type;
	protected Class containingJavaClass;

	public PublicFieldInfo(ReflectionUI reflectionUI, Field field, Class containingJavaClass) {
		this.reflectionUI = reflectionUI;
		this.javaField = field;
		this.containingJavaClass = containingJavaClass;
		resolveJavaReflectionModelAccessProblems();
	}

	protected void resolveJavaReflectionModelAccessProblems() {
		javaField.setAccessible(true);
	}

	public Field getJavaField() {
		return javaField;
	}

	@Override
	public boolean isHidden() {
		return false;
	}

	@Override
	public double getDisplayAreaHorizontalWeight() {
		return 1.0;
	}

	@Override
	public double getDisplayAreaVerticalWeight() {
		return 1.0;
	}

	@Override
	public void setValue(Object object, Object value) {
		try {
			javaField.set(object, value);
		} catch (IllegalArgumentException e) {
			throw new ReflectionUIError(e);
		} catch (IllegalAccessException e) {
			throw new ReflectionUIError(e);
		}
	}

	@Override
	public Runnable getNextUpdateCustomUndoJob(Object object, Object value) {
		return null;
	}

	@Override
	public Object getValue(Object object) {
		try {
			return javaField.get(object);
		} catch (IllegalArgumentException e) {
			throw new ReflectionUIError(e);
		} catch (IllegalAccessException e) {
			throw new ReflectionUIError(e);
		}
	}

	@Override
	public Object[] getValueOptions(Object object) {
		return null;
	}

	@Override
	public ITypeInfo getType() {
		if (type == null) {
			type = reflectionUI.getTypeInfo(new JavaTypeInfoSource(javaField.getType(), javaField, -1,
					new SpecificitiesIdentifier(
							reflectionUI.getTypeInfo(new JavaTypeInfoSource(containingJavaClass, null)).getName(),
							javaField.getName())));
		}
		return type;
	}

	@Override
	public String getNullValueLabel() {
		return null;
	}

	@Override
	public String getCaption() {
		return ReflectionUIUtils.getDefaultFieldCaption(this);
	}

	@Override
	public boolean isNullValueDistinct() {
		return false;
	}

	@Override
	public boolean isGetOnly() {
		return Modifier.isFinal(javaField.getModifiers());
	}

	@Override
	public ValueReturnMode getValueReturnMode() {
		return ValueReturnMode.DIRECT_OR_PROXY;
	}

	@Override
	public String getName() {
		return javaField.getName();
	}

	public static boolean isCompatibleWith(Field field) {
		return true;
	}

	@Override
	public InfoCategory getCategory() {
		return null;
	}

	@Override
	public String getOnlineHelp() {
		return null;
	}

	@Override
	public boolean isFormControlMandatory() {
		return false;
	}

	@Override
	public boolean isFormControlEmbedded() {
		return false;
	}

	@Override
	public IInfoFilter getFormControlFilter() {
		return IInfoFilter.DEFAULT;
	}

	@Override
	public long getAutoUpdatePeriodMilliseconds() {
		return -1;
	}

	@Override
	public Map getSpecificProperties() {
		return Collections.emptyMap();
	}

	@Override
	public int hashCode() {
		return javaField.hashCode();
	}

	@Override
	public boolean equals(Object obj) {
		if (obj == null) {
			return false;
		}
		if (obj == this) {
			return true;
		}
		if (!getClass().equals(obj.getClass())) {
			return false;
		}
		return javaField.equals(((PublicFieldInfo) obj).javaField);
	}

	@Override
	public String toString() {
		return "PublicFieldInfo [javaField=" + javaField + "]";
	}

};