
xdev.ui.componenttable.ComponentTableRenderer Maven / Gradle / Ivy
package xdev.ui.componenttable;
/*-
* #%L
* XDEV Component Suite
* %%
* Copyright (C) 2011 - 2021 XDEV Software
* %%
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser 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 Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* .
* #L%
*/
import java.awt.Component;
import javax.swing.JTable;
import javax.swing.table.TableCellRenderer;
import xdev.lang.NotNull;
import com.jidesoft.grid.TableModelWrapperUtils;
/**
*
* @author XDEV Software (RHHF)
* @author XDEV Software (FHAE)
* @see ComponentTable
* @since 4.0
*/
public abstract class ComponentTableRenderer implements TableCellRenderer
{
@SuppressWarnings("unused")
// to fit the setter / getter pattern
private final Class extends ComponentTableTemplate> templateClass;
/**
* Holds the instance used for rendering
*/
private final ComponentTableTemplate template;
/**
* Creates a new TableFormRenderer based on the provided template.
*
* @param templateClass
* {@link ComponentTableTemplate} that will be used for
* rendering.
*/
public ComponentTableRenderer(
@NotNull final Class extends ComponentTableTemplate> templateClass)
{
if(templateClass == null)
{
throw new IllegalArgumentException("templateClass must not be null");
}
else if(templateClass.getClass().isAssignableFrom(Component.class))
{
throw new IllegalArgumentException(
"templateClass must be a subclass of java.awt.component");
}
try
{
this.template = templateClass.newInstance();
/*
* Should only be assigned if an instance of
* the class could be created.
*/
this.templateClass = templateClass;
}
catch(InstantiationException e)
{
throw new IllegalArgumentException("provided templateClass could not be instantiated",e);
}
catch(IllegalAccessException e)
{
throw new IllegalArgumentException("provided templateClass could not be instantiated",e);
}
}
/**
* {@inheritDoc}
*/
@Override
public Component getTableCellRendererComponent(final JTable table, Object value,
final boolean isSelected, boolean hasFocus, int row, int column)
{
int actualRowIndex = TableModelWrapperUtils.getActualRowAt(table.getModel(),row);
this.template.setValue(this.getRowValues(table,value,isSelected,row,column,actualRowIndex));
Component component = (Component)this.template;
decorateTemplate(component,table,row,column,isSelected);
return component;
}
protected void decorateTemplate(Component template, JTable table, int row, int column,
boolean isSelected)
{
if(table instanceof ComponentTable)
{
((ComponentTable)table).decorateTemplate(template,row,column,isSelected);
}
}
protected abstract T getRowValues(JTable table, Object value, boolean isSelected, int rowIndex,
int columnIndex, int actualRowIndex);
public Component getTemplateInstance()
{
return (Component)this.template;
}
}
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