Source Code Cross Referenced for BandDraggedOperation.java in  » Report » iReport-2.0.5 » it » businesslogic » ireport » undo » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » iReport 2.0.5 » it.businesslogic.ireport.undo 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (C) 2005 - 2008 JasperSoft Corporation.  All rights reserved. 
003:         * http://www.jaspersoft.com.
004:         *
005:         * Unless you have purchased a commercial license agreement from JasperSoft,
006:         * the following license terms apply:
007:         *
008:         * This program is free software; you can redistribute it and/or modify
009:         * it under the terms of the GNU General Public License version 2 as published by
010:         * the Free Software Foundation.
011:         *
012:         * This program is distributed WITHOUT ANY WARRANTY; and without the
013:         * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
014:         * See the GNU General Public License for more details.
015:         *
016:         * You should have received a copy of the GNU General Public License
017:         * along with this program; if not, see http://www.gnu.org/licenses/gpl.txt
018:         * or write to:
019:         *
020:         * Free Software Foundation, Inc.,
021:         * 59 Temple Place - Suite 330,
022:         * Boston, MA  USA  02111-1307
023:         *
024:         *
025:         *
026:         *
027:         * BandDraggedOperation.java
028:         * 
029:         * Created on 19 giugno 2003, 23.23
030:         *
031:         */
032:
033:        package it.businesslogic.ireport.undo;
034:
035:        import it.businesslogic.ireport.gui.event.*;
036:        import it.businesslogic.ireport.*;
037:        import it.businesslogic.ireport.gui.*;
038:        import it.businesslogic.ireport.util.*;
039:        import java.awt.*;
040:
041:        import java.util.*;
042:
043:        /**
044:         *  This class handle the band dragged operation.
045:         *  As all operations, the costructor take the JReportFrame (owner of the element)
046:         *  The ReportElement is not cloned, this can be a problem if not all undo operations
047:         *  are correctly logged and handled.
048:         *  This undo operation contains the band dragged and all elements that was repositioned
049:         *  after the draging.
050:         *  It reuse a lot of code of TransformElementsOperation.
051:         * @author  Giulio Toffoli
052:         */
053:        public class BandDraggedOperation implements 
054:                it.businesslogic.ireport.UndoOperation {
055:
056:            /*
057:             *  The report elements that was inserted.
058:             */
059:            private Vector transformations = null;
060:            private int bandDelta = 0;
061:
062:            private JReportFrame jrf = null;
063:
064:            private Band band;
065:
066:            /** Creates a new instance of InsertElementOperation */
067:            public BandDraggedOperation(JReportFrame jrf, Band band) {
068:                this .transformations = new Vector();
069:                this .band = band;
070:                this .jrf = jrf;
071:            }
072:
073:            public void redo() {
074:                if (jrf == null)
075:                    return;
076:
077:                band.setHeight(band.getHeight() + bandDelta);
078:
079:                //jrf.setSelectedElement(null);
080:                Enumeration e = this .getTransformations().elements();
081:                while (e.hasMoreElements()) {
082:                    ElementTransformation pe = (ElementTransformation) e
083:                            .nextElement();
084:                    ReportElement element = pe.element;
085:                    // Add element....
086:                    //jrf.addSelectedElement( element );
087:
088:                    element.getPosition().x = pe.newBounds.x;
089:                    element.getPosition().y = pe.newBounds.y;
090:                    element.setWidth(pe.newBounds.width);
091:                    element.setHeight(pe.newBounds.height);
092:
093:                    element.updateBounds();
094:                    jrf
095:                            .fireReportListenerReportElementsChanged(new ReportElementChangedEvent(
096:                                    jrf, element,
097:                                    ReportElementChangedEvent.CHANGED));
098:                    //jrf.getSelectedElements().remove( element );
099:                    //jrf.fireReportListenerReportElementsChanged(new ReportElementChangedEvent(jrf, element , ReportElementChangedEvent.REMOVED));          
100:                }
101:                jrf.setIsDocDirty(true);
102:                jrf.getReportPanel().repaint();
103:            }
104:
105:            public void undo() {
106:                if (jrf == null)
107:                    return;
108:
109:                band.setHeight(band.getHeight() - bandDelta);
110:
111:                //jrf.setSelectedElement(null);
112:                for (int i = this .getTransformations().size() - 1; i >= 0; --i) {
113:                    ElementTransformation pe = (ElementTransformation) getTransformations()
114:                            .get(i);
115:                    ReportElement element = pe.element;
116:                    // Add element....
117:                    //jrf.addSelectedElement( element );
118:
119:                    element.getPosition().x = pe.oldBounds.x;
120:                    element.getPosition().y = pe.oldBounds.y;
121:                    element.setWidth(pe.oldBounds.width);
122:                    element.setHeight(pe.oldBounds.height);
123:
124:                    element.updateBounds();
125:                    jrf
126:                            .fireReportListenerReportElementsChanged(new ReportElementChangedEvent(
127:                                    jrf, element,
128:                                    ReportElementChangedEvent.CHANGED));
129:                    //jrf.getSelectedElements().remove( element );
130:                    //jrf.fireReportListenerReportElementsChanged(new ReportElementChangedEvent(jrf, element , ReportElementChangedEvent.REMOVED));          
131:                }
132:                jrf.setIsDocDirty(true);
133:                jrf.getReportPanel().repaint();
134:            }
135:
136:            public String toString() {
137:                return "band resize";
138:            }
139:
140:            /** Getter for property elements.
141:             * @return Value of property elements.
142:             *
143:             *  To add an element, use the addElement method. Don't access directly
144:             *  addElement from the vector elements 
145:             *  
146:             */
147:            public java.util.Vector getTransformations() {
148:                return transformations;
149:            }
150:
151:            /** Setter for property elements.
152:             * @param elements New value of property elements.
153:             *
154:             */
155:            public void setTransformations(java.util.Vector transformations) {
156:                this .transformations = transformations;
157:            }
158:
159:            /*
160:             *  Add an element to the list of elements handled by this
161:             *  undo operation. 
162:             *  You must supply the old and the new bound of you report.
163:             *  This make more simple the undo/redo operation...
164:             *  
165:             */
166:            public void addElement(ReportElement element, Rectangle oldBounds,
167:                    Rectangle newBounds) {
168:
169:                ElementTransformation et = new ElementTransformation();
170:                et.element = element;
171:                et.oldBounds = oldBounds;
172:                et.newBounds = newBounds;
173:                getTransformations().add(et);
174:            }
175:
176:            /** Getter for property band.
177:             * @return Value of property band.
178:             *
179:             */
180:            public it.businesslogic.ireport.Band getBand() {
181:                return band;
182:            }
183:
184:            /** Setter for property band.
185:             * @param band New value of property band.
186:             *
187:             */
188:            public void setBand(it.businesslogic.ireport.Band band) {
189:                this .band = band;
190:            }
191:
192:            /** Getter for property bandDelta.
193:             * @return Value of property bandDelta.
194:             *
195:             */
196:            public int getBandDelta() {
197:                return bandDelta;
198:            }
199:
200:            /** Setter for property bandDelta.
201:             * @param bandDelta New value of property bandDelta.
202:             *
203:             */
204:            public void setBandDelta(int bandDelta) {
205:                this.bandDelta = bandDelta;
206:            }
207:
208:        }
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