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JRFillFrame.java
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JRFillFrame.java
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/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2018 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports 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.
*
* JasperReports 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 JasperReports. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.jasperreports.engine.fill;
import java.awt.Color;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import net.sf.jasperreports.engine.JRChild;
import net.sf.jasperreports.engine.JRElement;
import net.sf.jasperreports.engine.JRException;
import net.sf.jasperreports.engine.JRExpressionCollector;
import net.sf.jasperreports.engine.JRFrame;
import net.sf.jasperreports.engine.JRLineBox;
import net.sf.jasperreports.engine.JRPrintElement;
import net.sf.jasperreports.engine.JRStyle;
import net.sf.jasperreports.engine.JRVisitor;
import net.sf.jasperreports.engine.base.JRBaseElementGroup;
import net.sf.jasperreports.engine.type.BorderSplitType;
import net.sf.jasperreports.engine.type.ModeEnum;
import net.sf.jasperreports.engine.util.ElementsVisitorUtils;
import net.sf.jasperreports.engine.util.JRBoxUtil;
/**
* Fill time implementation of a frame element.
*
* @author Lucian Chirita (lucianc@users.sourceforge.net)
*/
public class JRFillFrame extends JRFillElement implements JRFrame
{
protected final JRFrame parentFrame;
protected final JRLineBox lineBox;
protected final BorderSplitType borderSplitType;
/**
* Element container used for filling.
*/
private JRFillFrameElements frameContainer;
/**
* Template frame without the bottom border.
*/
private Map<JRStyle,JRTemplateElement> bottomTemplateFrames;
/**
* Template frame without the top border
*/
private Map<JRStyle,JRTemplateElement> topTemplateFrames;
/**
* Template frame without the top and bottom borders
*/
private Map<JRStyle,JRTemplateElement> topBottomTemplateFrames;
private boolean fillTopBorder;
private boolean fillBottomBorder;
/**
* Whether the frame has started filling and not ended.
*/
private boolean filling;
public JRFillFrame(JRBaseFiller filler, JRFrame frame, JRFillObjectFactory factory)
{
super(filler, frame, factory);
parentFrame = frame;
lineBox = frame.getLineBox().clone(this);
borderSplitType = initBorderSplitType(filler, frame);
frameContainer = new JRFillFrameElements(factory);
bottomTemplateFrames = new HashMap<JRStyle,JRTemplateElement>();
topTemplateFrames = new HashMap<JRStyle,JRTemplateElement>();
topBottomTemplateFrames = new HashMap<JRStyle,JRTemplateElement>();
setShrinkable(true);
}
protected JRFillFrame(JRFillFrame frame, JRFillCloneFactory factory)
{
super(frame, factory);
parentFrame = frame.parentFrame;
lineBox = frame.getLineBox().clone(this);
borderSplitType = frame.borderSplitType;
frameContainer = new JRFillFrameElements(frame.frameContainer, factory);
bottomTemplateFrames = frame.bottomTemplateFrames;
topTemplateFrames = frame.topTemplateFrames;
topBottomTemplateFrames = frame.topBottomTemplateFrames;
}
private BorderSplitType initBorderSplitType(JRBaseFiller filler, JRFrame frame)
{
BorderSplitType splitType = frame.getBorderSplitType();
if (splitType == null)
{
String splitTypeProp = filler.getPropertiesUtil().getProperty(filler.getMainDataset(), PROPERTY_BORDER_SPLIT_TYPE);
if (splitTypeProp != null)
{
splitType = BorderSplitType.byName(splitTypeProp);
}
}
return splitType;
}
@Override
public ModeEnum getModeValue()
{
return getStyleResolver().getMode(this, ModeEnum.TRANSPARENT);
}
@Override
public Color getDefaultLineColor()
{
return getForecolor();
}
@Override
protected void evaluate(byte evaluation) throws JRException
{
reset();
evaluatePrintWhenExpression(evaluation);
if (isPrintWhenExpressionNull() || isPrintWhenTrue())
{
evaluateProperties(evaluation);
evaluateStyle(evaluation);
frameContainer.evaluate(evaluation);
boolean repeating = true;
JRFillElement[] elements = (JRFillElement[]) getElements();
for (int i = 0; repeating && i < elements.length; i++)
{
repeating &= elements[i].isValueRepeating();
}
setValueRepeating(repeating);
}
filling = false;
}
@Override
protected void rewind() throws JRException
{
frameContainer.rewind();
filling = false;
}
protected boolean drawTopBorderOnSplit()
{
return borderSplitType == BorderSplitType.DRAW_BORDERS;
}
protected boolean drawBotomBorderOnSplit()
{
return borderSplitType == BorderSplitType.DRAW_BORDERS;
}
@Override
protected boolean prepare(int availableHeight, boolean isOverflow) throws JRException
{
super.prepare(availableHeight, isOverflow);
if (!isToPrint())
{
return false;
}
// whether the current frame chunk is the first one.
boolean first = !isOverflow || !filling;
int topPadding = getLineBox().getTopPadding().intValue();
int bottomPadding = getLineBox().getBottomPadding().intValue();
if (availableHeight < getRelativeY() + getHeight() - topPadding - bottomPadding)
{
setToPrint(false);
return true;
}
if (!filling && !isPrintRepeatedValues() && isValueRepeating() &&
(!isPrintInFirstWholeBand() || !getBand().isFirstWholeOnPageColumn()) &&
(getPrintWhenGroupChanges() == null || !getBand().isNewGroup(getPrintWhenGroupChanges())) &&
(!isOverflow || !isPrintWhenDetailOverflows())
)
{
setToPrint(false);
return false;
}
// FIXME reprinted when isAlreadyPrinted() || !isPrintRepeatedValues()?
if (!filling && isOverflow && isAlreadyPrinted())
{
if (isPrintWhenDetailOverflows())
{
rewind();
setReprinted(true);
}
else
{
setToPrint(false);
return false;
}
}
frameContainer.initFill();
frameContainer.resetElements();
frameContainer.prepareElements(availableHeight - getRelativeY() - topPadding - bottomPadding, true);
boolean willOverflow = frameContainer.willOverflow();
fillTopBorder = first || drawTopBorderOnSplit();
fillBottomBorder = !willOverflow || drawBotomBorderOnSplit();
if (willOverflow)
{
setPrepareHeight(availableHeight - getRelativeY());
}
else
{
int neededStretch = frameContainer.getStretchHeight() - frameContainer.getFirstY() + topPadding + bottomPadding;
if (neededStretch <= availableHeight - getRelativeY())
{
setPrepareHeight(neededStretch);
}
else
{
//FIXME is this case possible?
setPrepareHeight(availableHeight - getRelativeY());
}
}
filling = willOverflow;
return willOverflow;
}
@Override
protected void setStretchHeight(int stretchHeight)
{
super.setStretchHeight(stretchHeight);
int topPadding = getLineBox().getTopPadding().intValue();
int bottomPadding = getLineBox().getBottomPadding().intValue();
frameContainer.setStretchHeight(stretchHeight + frameContainer.getFirstY() - topPadding - bottomPadding);
}
/**
* @deprecated To be removed.
*/
@Override
protected void stretchHeightFinal()
{
// only do this if the frame is printing
if (isToPrint())
{
frameContainer.stretchElements();
frameContainer.moveBandBottomElements();
frameContainer.removeBlankElements();
int topPadding = getLineBox().getTopPadding().intValue();
int bottomPadding = getLineBox().getBottomPadding().intValue();
super.setStretchHeight(frameContainer.getStretchHeight() - frameContainer.getFirstY() + topPadding + bottomPadding);
}
}
@Override
protected boolean stretchElementToHeight(int stretchHeight)
{
boolean applied = super.stretchElementToHeight(stretchHeight);
if (applied)
{
frameContainer.stretchElementsToContainer();
frameContainer.moveBandBottomElements();
}
return applied;
}
@Override
protected JRPrintElement fill() throws JRException
{
JRTemplatePrintFrame printFrame = new JRTemplatePrintFrame(getTemplate(), printElementOriginator);
printFrame.setUUID(getUUID());
printFrame.setX(getX());
printFrame.setY(getRelativeY());
printFrame.setWidth(getWidth());
frameContainer.fillElements(printFrame);
printFrame.setHeight(getStretchHeight());
transferProperties(printFrame);
return printFrame;
}
protected JRTemplateFrame getTemplate()
{
JRStyle style = getStyle();
Map<JRStyle,JRTemplateElement> templatesMap;
if (fillTopBorder)
{
if (fillBottomBorder)
{
templatesMap = templates;
}
else //remove the bottom border
{
templatesMap = bottomTemplateFrames;
}
}
else
{
if (fillBottomBorder) //remove the top border
{
templatesMap = topTemplateFrames;
}
else //remove the top and bottom borders
{
templatesMap = topBottomTemplateFrames;
}
}
JRTemplateFrame boxTemplate = (JRTemplateFrame) templatesMap.get(style);
if (boxTemplate == null)
{
boxTemplate = createFrameTemplate();
transferProperties(boxTemplate);
//FIXME up to revision 2006 (Dec 5 2007) we were resetting both the border and the padding.
// now we are only resetting the border and not the padding, prepare() assumes that the top and bottom paddings are always used.
if (fillTopBorder)
{
if (!fillBottomBorder) //remove the bottom border
{
boxTemplate.copyBox(getLineBox());
JRBoxUtil.reset(boxTemplate.getLineBox(), false, false, false, true);
}
}
else
{
if (fillBottomBorder) //remove the top border
{
boxTemplate.copyBox(getLineBox());
JRBoxUtil.reset(boxTemplate.getLineBox(), false, false, true, false);
}
else //remove the top and bottom borders
{
boxTemplate.copyBox(getLineBox());
JRBoxUtil.reset(boxTemplate.getLineBox(), false, false, true, true);
}
}
boxTemplate = filler.fillContext.deduplicate(boxTemplate);
templatesMap.put(style, boxTemplate);
}
return boxTemplate;
}
protected JRTemplateFrame createFrameTemplate()
{
return new JRTemplateFrame(getElementOrigin(),
filler.getJasperPrint().getDefaultStyleProvider(), this);
}
@Override
protected JRTemplateElement createElementTemplate()
{
return createFrameTemplate();
}
@Override
protected void resolveElement(JRPrintElement element, byte evaluation)
{
// nothing
}
@Override
public JRElement[] getElements()
{
return frameContainer.getElements();
}
@Override
public List<JRChild> getChildren()
{
return frameContainer.getChildren();
}
@Override
public void collectExpressions(JRExpressionCollector collector)
{
collector.collect(this);
}
@Override
public JRLineBox getLineBox()
{
return lineBox;
}
@Override
public BorderSplitType getBorderSplitType()
{
return borderSplitType;
}
@Override
public void visit(JRVisitor visitor)
{
visitor.visitFrame(this);
if (ElementsVisitorUtils.visitDeepElements(visitor))
{
ElementsVisitorUtils.visitElements(visitor, getChildren());
}
}
@Override
public JRElement getElementByKey(String key)
{
return JRBaseElementGroup.getElementByKey(getElements(), key);
}
@Override
public JRFillCloneable createClone(JRFillCloneFactory factory)
{
return new JRFillFrame(this, factory);
}
/**
* Frame element container filler.
*/
protected class JRFillFrameElements extends JRFillElementContainer
{
JRFillFrameElements(JRFillObjectFactory factory)
{
super(JRFillFrame.this.filler, parentFrame, factory);
initElements();
}
JRFillFrameElements(JRFillFrameElements frameElements, JRFillCloneFactory factory)
{
super(frameElements, factory);
initElements();
}
@Override
protected int getContainerHeight()
{
return JRFillFrame.this.getHeight() - getLineBox().getTopPadding().intValue() - getLineBox().getBottomPadding().intValue();
}
@Override
protected int getActualContainerHeight()
{
int containerHeight = JRFillFrame.this.getHeight() - getLineBox().getTopPadding().intValue() - getLineBox().getBottomPadding().intValue();
if (JRFillFrame.this.frameContainer.bottomElementInGroup != null)
{
if (
getLineBox().getTopPadding().intValue()
+ JRFillFrame.this.frameContainer.bottomElementInGroup.getY()
+ JRFillFrame.this.frameContainer.bottomElementInGroup.getHeight() > JRFillFrame.this.getHeight()
)
{
containerHeight =
JRFillFrame.this.frameContainer.bottomElementInGroup.getY()
+ JRFillFrame.this.frameContainer.bottomElementInGroup.getHeight();
}
}
return containerHeight;
}
@Override
public boolean isSplitTypePreventInhibited(boolean isTopLevelCall)
{
//not actually called because fillContainerContext in the children is actually the band
return JRFillFrame.this.fillContainerContext.isSplitTypePreventInhibited(isTopLevelCall);
}
}
}