/* * JasperReports - Free Java Reporting Library. * Copyright (C) 2001 - 2009 Jaspersoft Corporation. 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.base; import java.awt.Color; import java.io.IOException; import java.io.ObjectInputStream; import java.io.Serializable; import net.sf.jasperreports.engine.JRConstants; import net.sf.jasperreports.engine.JRDefaultStyleProvider; import net.sf.jasperreports.engine.JRElement; import net.sf.jasperreports.engine.JRElementGroup; import net.sf.jasperreports.engine.JRExpression; import net.sf.jasperreports.engine.JRGroup; import net.sf.jasperreports.engine.JRPropertiesHolder; import net.sf.jasperreports.engine.JRPropertiesMap; import net.sf.jasperreports.engine.JRPropertyExpression; import net.sf.jasperreports.engine.JRRuntimeException; import net.sf.jasperreports.engine.JRStyle; import net.sf.jasperreports.engine.design.events.JRChangeEventsSupport; import net.sf.jasperreports.engine.design.events.JRPropertyChangeSupport; import net.sf.jasperreports.engine.type.ModeEnum; import net.sf.jasperreports.engine.type.PositionTypeEnum; import net.sf.jasperreports.engine.type.StretchTypeEnum; import net.sf.jasperreports.engine.util.JRStyleResolver; /** * This class provides a skeleton implementation for a report element. It mostly provides internal variables, representing * the most common element properties, and their getter/setter methods. It also has a constructor for initializing * these properties. * @author Teodor Danciu (teodord@users.sourceforge.net) * @version $Id: JRBaseElement.java 3715 2010-04-08 18:08:49Z teodord $ */ public abstract class JRBaseElement implements JRElement, Serializable, JRChangeEventsSupport { /** * */ private static final long serialVersionUID = JRConstants.SERIAL_VERSION_UID; public static final String PROPERTY_POSITION_TYPE = "positionType"; public static final String PROPERTY_PRINT_IN_FIRST_WHOLE_BAND = "isPrintInFirstWholeBand"; public static final String PROPERTY_PRINT_REPEATED_VALUES = "isPrintRepeatedValues"; public static final String PROPERTY_PRINT_WHEN_DETAIL_OVERFLOWS = "isPrintWhenDetailOverflows"; public static final String PROPERTY_REMOVE_LINE_WHEN_BLANK = "isRemoveLineWhenBlank"; public static final String PROPERTY_STRETCH_TYPE = "stretchType"; public static final String PROPERTY_WIDTH = "width"; public static final String PROPERTY_X = "x"; /** * */ protected String key = null; protected PositionTypeEnum positionTypeValue; protected StretchTypeEnum stretchTypeValue = StretchTypeEnum.NO_STRETCH; protected boolean isPrintRepeatedValues = true; protected ModeEnum modeValue; protected int x = 0; protected int y = 0; protected int width = 0; protected int height = 0; protected boolean isRemoveLineWhenBlank = false; protected boolean isPrintInFirstWholeBand = false; protected boolean isPrintWhenDetailOverflows = false; protected Color forecolor = null; protected Color backcolor = null; /** * */ protected JRExpression printWhenExpression = null; protected JRGroup printWhenGroupChanges = null; protected JRElementGroup elementGroup = null; protected JRDefaultStyleProvider defaultStyleProvider; protected JRStyle parentStyle; protected String parentStyleNameReference; private JRPropertiesMap propertiesMap; private JRPropertyExpression[] propertyExpressions; /** * */ protected JRBaseElement(JRDefaultStyleProvider defaultStyleProvider) { this.defaultStyleProvider = defaultStyleProvider; } /** * Initializes basic properties of the element. * @param element an element whose properties are copied to this element. Usually it is a * {@link net.sf.jasperreports.engine.design.JRDesignElement} that must be transformed into an * <tt>JRBaseElement</tt> at compile time. * @param factory a factory used in the compile process */ protected JRBaseElement(JRElement element, JRBaseObjectFactory factory) { factory.put(element, this); defaultStyleProvider = factory.getDefaultStyleProvider(); parentStyle = factory.getStyle(element.getStyle()); parentStyleNameReference = element.getStyleNameReference(); key = element.getKey(); positionTypeValue = element.getPositionTypeValue(); stretchTypeValue = element.getStretchTypeValue(); isPrintRepeatedValues = element.isPrintRepeatedValues(); modeValue = element.getOwnModeValue(); x = element.getX(); y = element.getY(); width = element.getWidth(); height = element.getHeight(); isRemoveLineWhenBlank = element.isRemoveLineWhenBlank(); isPrintInFirstWholeBand = element.isPrintInFirstWholeBand(); isPrintWhenDetailOverflows = element.isPrintWhenDetailOverflows(); forecolor = element.getOwnForecolor(); backcolor = element.getOwnBackcolor(); printWhenExpression = factory.getExpression(element.getPrintWhenExpression()); printWhenGroupChanges = factory.getGroup(element.getPrintWhenGroupChanges()); elementGroup = (JRElementGroup)factory.getVisitResult(element.getElementGroup()); propertiesMap = JRPropertiesMap.getPropertiesClone(element); copyPropertyExpressions(element, factory); } private void copyPropertyExpressions(JRElement element, JRBaseObjectFactory factory) { JRPropertyExpression[] props = element.getPropertyExpressions(); if (props != null && props.length > 0) { propertyExpressions = new JRPropertyExpression[props.length]; for (int i = 0; i < props.length; i++) { propertyExpressions[i] = factory.getPropertyExpression(props[i]); } } } /** * */ public JRDefaultStyleProvider getDefaultStyleProvider() { return defaultStyleProvider; } /** * */ protected JRStyle getBaseStyle() { if (parentStyle != null) { return parentStyle; } if (defaultStyleProvider != null) { return defaultStyleProvider.getDefaultStyle(); } return null; } /** * */ public String getKey() { return this.key; } /** * @deprecated Replaced by {@link #getPositionTypeValue()}. */ public byte getPositionType() { return getPositionTypeValue().getValue(); } /** * */ public PositionTypeEnum getPositionTypeValue() { return positionTypeValue; } /** * @deprecated Replaced by {@link #setPositionType(PositionTypeEnum)}. */ public void setPositionType(byte positionType) { setPositionType(PositionTypeEnum.getByValue(positionType)); } /** * */ public void setPositionType(PositionTypeEnum positionTypeValue) { PositionTypeEnum old = this.positionTypeValue; this.positionTypeValue = positionTypeValue; getEventSupport().firePropertyChange(PROPERTY_POSITION_TYPE, old, this.positionTypeValue); } /** * @deprecated Replaced by {@link #getStretchTypeValue()}. */ public byte getStretchType() { return getStretchTypeValue().getValue(); } /** * @deprecated Replaced by {@link #setStretchType(StretchTypeEnum)}. */ public void setStretchType(byte stretchType) { setStretchType(StretchTypeEnum.getByValue(stretchType)); } /** * */ public StretchTypeEnum getStretchTypeValue() { return stretchTypeValue; } /** * */ public void setStretchType(StretchTypeEnum stretchTypeValue) { StretchTypeEnum old = this.stretchTypeValue; this.stretchTypeValue = stretchTypeValue; getEventSupport().firePropertyChange(PROPERTY_STRETCH_TYPE, old, this.stretchTypeValue); } /** * */ public boolean isPrintRepeatedValues() { return this.isPrintRepeatedValues; } /** * */ public void setPrintRepeatedValues(boolean isPrintRepeatedValues) { boolean old = this.isPrintRepeatedValues; this.isPrintRepeatedValues = isPrintRepeatedValues; getEventSupport().firePropertyChange(PROPERTY_PRINT_REPEATED_VALUES, old, this.isPrintRepeatedValues); } /** * @deprecated Replaced by {@link #getModeValue()}. */ public byte getMode() { return getModeValue().getValue(); } /** * @deprecated Replaced by {@link #getOwnModeValue()}. */ public Byte getOwnMode() { return getOwnModeValue() == null ? null : getOwnModeValue().getValueByte(); } /** * */ public ModeEnum getModeValue() { return JRStyleResolver.getMode(this, ModeEnum.OPAQUE); } /** * */ public ModeEnum getOwnModeValue() { return modeValue; } /** * @deprecated Replaced by {@link #setMode(ModeEnum)}. */ public void setMode(byte mode) { setMode(ModeEnum.getByValue(mode)); } /** * @deprecated Replaced by {@link #setMode(ModeEnum)}. */ public void setMode(Byte mode) { setMode(ModeEnum.getByValue(mode)); } /** * */ public void setMode(ModeEnum modeValue) { Object old = this.modeValue; this.modeValue = modeValue; getEventSupport().firePropertyChange(JRBaseStyle.PROPERTY_MODE, old, this.modeValue); } /** * */ public int getX() { return this.x; } /** * */ public void setX(int x) { int old = this.x; this.x = x; getEventSupport().firePropertyChange(PROPERTY_X, old, this.x); } /** * */ public int getY() { return this.y; } /** * */ public int getWidth() { return this.width; } /** * */ public void setWidth(int width) { int old = this.width; this.width = width; getEventSupport().firePropertyChange(PROPERTY_WIDTH, old, this.width); } /** * */ public int getHeight() { return this.height; } /** * */ public boolean isRemoveLineWhenBlank() { return this.isRemoveLineWhenBlank; } /** * */ public void setRemoveLineWhenBlank(boolean isRemoveLine) { boolean old = this.isRemoveLineWhenBlank; this.isRemoveLineWhenBlank = isRemoveLine; getEventSupport().firePropertyChange(PROPERTY_REMOVE_LINE_WHEN_BLANK, old, this.isRemoveLineWhenBlank); } /** * */ public boolean isPrintInFirstWholeBand() { return this.isPrintInFirstWholeBand; } /** * */ public void setPrintInFirstWholeBand(boolean isPrint) { boolean old = this.isPrintInFirstWholeBand; this.isPrintInFirstWholeBand = isPrint; getEventSupport().firePropertyChange(PROPERTY_PRINT_IN_FIRST_WHOLE_BAND, old, this.isPrintInFirstWholeBand); } /** * */ public boolean isPrintWhenDetailOverflows() { return this.isPrintWhenDetailOverflows; } /** * */ public void setPrintWhenDetailOverflows(boolean isPrint) { boolean old = this.isPrintWhenDetailOverflows; this.isPrintWhenDetailOverflows = isPrint; getEventSupport().firePropertyChange(PROPERTY_PRINT_WHEN_DETAIL_OVERFLOWS, old, this.isPrintWhenDetailOverflows); } /** * */ public Color getForecolor() { return JRStyleResolver.getForecolor(this); } /** * */ public Color getOwnForecolor() { return forecolor; } /** * */ public void setForecolor(Color forecolor) { Object old = this.forecolor; this.forecolor = forecolor; getEventSupport().firePropertyChange(JRBaseStyle.PROPERTY_FORECOLOR, old, this.forecolor); } /** * */ public Color getBackcolor() { return JRStyleResolver.getBackcolor(this); } /** * */ public Color getOwnBackcolor() { return backcolor; } /** * */ public void setBackcolor(Color backcolor) { Object old = this.backcolor; this.backcolor = backcolor; getEventSupport().firePropertyChange(JRBaseStyle.PROPERTY_BACKCOLOR, old, this.backcolor); } /** * */ public JRExpression getPrintWhenExpression() { return this.printWhenExpression; } /** * */ public JRGroup getPrintWhenGroupChanges() { return this.printWhenGroupChanges; } /** * */ public JRElementGroup getElementGroup() { return this.elementGroup; } public JRStyle getStyle() { return parentStyle; } public String getStyleNameReference() { return parentStyleNameReference; } private transient JRPropertyChangeSupport eventSupport; public JRPropertyChangeSupport getEventSupport() { synchronized (this) { if (eventSupport == null) { eventSupport = new JRPropertyChangeSupport(this); } } return eventSupport; } /** * */ public Object clone() { JRBaseElement clone = null; try { clone = (JRBaseElement)super.clone(); } catch (CloneNotSupportedException e) { throw new JRRuntimeException(e); } if (printWhenExpression != null) { clone.printWhenExpression = (JRExpression)printWhenExpression.clone(); } //FIXME reset eventSupport return clone; } /** * */ public Object clone(JRElementGroup parentGroup) { JRBaseElement clone = (JRBaseElement)this.clone(); clone.elementGroup = parentGroup; return clone; } public boolean hasProperties() { return propertiesMap != null && propertiesMap.hasProperties(); } public JRPropertiesMap getPropertiesMap() { if (propertiesMap == null) { propertiesMap = new JRPropertiesMap(); } return propertiesMap; } public JRPropertiesHolder getParentProperties() { return null; } public JRPropertyExpression[] getPropertyExpressions() { return propertyExpressions; } /* * These fields are only for serialization backward compatibility. */ private int PSEUDO_SERIAL_VERSION_UID = JRConstants.PSEUDO_SERIAL_VERSION_UID; //NOPMD /** * @deprecated */ private Byte mode; /** * @deprecated */ private byte positionType; /** * @deprecated */ private byte stretchType; private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject(); if (PSEUDO_SERIAL_VERSION_UID < JRConstants.PSEUDO_SERIAL_VERSION_UID_3_7_2) { modeValue = ModeEnum.getByValue(mode); positionTypeValue = PositionTypeEnum.getByValue(positionType); stretchTypeValue = StretchTypeEnum.getByValue(stretchType); mode = null; } } }