/**
* ===========================================
* LibLayout : a free Java layouting library
* ===========================================
*
* Project Info: http://reporting.pentaho.org/liblayout/
*
* (C) Copyright 2006-2007, by Pentaho Corporation and Contributors.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307, USA.
*
* [Java is a trademark or registered trademark of Sun Microsystems, Inc.
* in the United States and other countries.]
*
* ------------
* $Id: TableRenderBox.java 6653 2008-12-02 14:53:40Z tmorgner $
* ------------
* (C) Copyright 2006-2007, by Pentaho Corporation.
*/
package org.jfree.layouting.renderer.model.table;
import org.jfree.layouting.input.style.keys.table.BorderCollapse;
import org.jfree.layouting.input.style.keys.table.EmptyCells;
import org.jfree.layouting.input.style.keys.table.TableLayout;
import org.jfree.layouting.input.style.keys.table.TableStyleKeys;
import org.jfree.layouting.input.style.values.CSSValue;
import org.jfree.layouting.input.style.values.CSSValuePair;
import org.jfree.layouting.layouter.context.LayoutContext;
import org.jfree.layouting.output.OutputProcessorMetaData;
import org.jfree.layouting.renderer.border.RenderLength;
import org.jfree.layouting.renderer.model.BlockRenderBox;
import org.jfree.layouting.renderer.model.BoxDefinition;
import org.jfree.layouting.renderer.model.DefaultBoxDefinitionFactory;
import org.jfree.layouting.renderer.model.RenderNode;
import org.jfree.layouting.renderer.model.table.cols.SpearateColumnModel;
import org.jfree.layouting.renderer.model.table.cols.TableColumnModel;
/**
* A table render box contains table header, table footer and the table body.
* The table body itself may also contain table header cells - which get
* repeated after pagebreaks.
* <p/>
* Tables contain more than just rows, in fact, they are separated into three
* sections.
*
* @author Thomas Morgner
*/
public class TableRenderBox extends BlockRenderBox
{
private TableColumnModel columnModel;
private boolean needsPruning;
private TableLayoutInfo tableInfo;
/**
* This is not set to true unless the *closed* table has been validated.
*/
private boolean structureValidated;
private boolean predefinedColumnsValidated;
public TableRenderBox(final BoxDefinition boxDefinition)
{
super(boxDefinition);
this.columnModel = new SpearateColumnModel();
this.tableInfo = new TableLayoutInfo();
this.tableInfo.setBorderSpacing(RenderLength.EMPTY);
}
public void appyStyle(final LayoutContext layoutContext,
final OutputProcessorMetaData metaData)
{
super.appyStyle(layoutContext, metaData);
final CSSValue emptyCellsVal = layoutContext.getValue
(TableStyleKeys.EMPTY_CELLS);
tableInfo.setDisplayEmptyCells(EmptyCells.SHOW.equals(emptyCellsVal));
final CSSValue borderModel =
layoutContext.getValue(TableStyleKeys.BORDER_COLLAPSE);
tableInfo.setCollapsingBorderModel(BorderCollapse.COLLAPSE.equals(borderModel));
final CSSValue layoutModel =
layoutContext.getValue(TableStyleKeys.TABLE_LAYOUT);
tableInfo.setAutoLayout (TableLayout.AUTO.equals(layoutModel));
final CSSValue borderSpacingVal =
layoutContext.getValue(TableStyleKeys.BORDER_SPACING);
if (borderSpacingVal instanceof CSSValuePair)
{
final CSSValuePair borderSpacingPair = (CSSValuePair) borderSpacingVal;
tableInfo.setRowSpacing (DefaultBoxDefinitionFactory.computeWidth
(borderSpacingPair.getFirstValue(),
layoutContext, metaData, false, false));
tableInfo.setBorderSpacing (DefaultBoxDefinitionFactory.computeWidth
(borderSpacingPair.getSecondValue(),
layoutContext, metaData, false, false));
}
else
{
tableInfo.setBorderSpacing(RenderLength.EMPTY);
tableInfo.setRowSpacing(RenderLength.EMPTY);
}
}
public boolean isPredefinedColumnsValidated()
{
return predefinedColumnsValidated;
}
public void setPredefinedColumnsValidated(final boolean predefinedColumnsValidated)
{
this.predefinedColumnsValidated = predefinedColumnsValidated;
}
public boolean isStructureValidated()
{
return structureValidated;
}
public void setStructureValidated(final boolean structureValidated)
{
this.structureValidated = structureValidated;
}
public TableColumnModel getColumnModel()
{
return columnModel;
}
public void addChild(final RenderNode child)
{
super.addChild(child);
needsPruning = true;
}
public boolean isLayoutable()
{
return columnModel.isIncrementalModeSupported();
}
public RenderLength getBorderSpacing()
{
return tableInfo.getBorderSpacing();
}
public RenderLength getRowSpacing()
{
return tableInfo.getRowSpacing();
}
public boolean isDisplayEmptyCells()
{
return tableInfo.isDisplayEmptyCells();
}
public boolean isCollapsingBorderModel()
{
return tableInfo.isCollapsingBorderModel();
}
public boolean isAutoLayout()
{
return tableInfo.isAutoLayout();
}
public Object clone()
{
try
{
final TableRenderBox box = (TableRenderBox) super.clone();
if (box.isStructureValidated() == false)
{
box.columnModel = (TableColumnModel) columnModel.clone();
}
return box;
}
catch (CloneNotSupportedException e)
{
throw new IllegalStateException("Clone failed for some reason.");
}
}
}