Source Code Cross Referenced for NavigationalLayout.java in  » Portal » stringbeans-3.5 » com » nabhinc » portal » model » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Portal » stringbeans 3.5 » com.nabhinc.portal.model 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /* 
002:         * (C) Copyright 2000 - 2006 Nabh Information Systems, Inc. 
003:         * 
004:         * This program is free software; you can redistribute it and/or
005:         * modify it under the terms of the GNU General Public License 
006:         * as published by the Free Software Foundation; either version 2
007:         * of the License, or (at your option) any later version.
008:         * 
009:         * This program is distributed in the hope that it will be useful,
010:         * but WITHOUT ANY WARRANTY; without even the implied warranty of 
011:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
012:         * GNU General Public License for more details.
013:         * 
014:         * You should have received a copy of the GNU General Public License
015:         * along with this program; if not, write to the Free Software 
016:         * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
017:         * 
018:         */
019:        package com.nabhinc.portal.model;
020:
021:        import java.util.ArrayList;
022:        import java.util.Iterator;
023:        import java.util.List;
024:
025:        import javax.portlet.ActionRequest;
026:        import javax.servlet.http.HttpServletRequest;
027:        import javax.xml.bind.Unmarshaller;
028:        import javax.xml.bind.annotation.XmlElement;
029:
030:        import com.nabhinc.portal.core.PortalConstants;
031:        import com.nabhinc.util.StringUtil;
032:
033:        /**
034:         * 
035:         *
036:         * @author Padmanabh Dabke
037:         * (c) 2006 Nabh Information Systems, Inc. All Rights Reserved.
038:         */
039:        public abstract class NavigationalLayout extends
040:                BaseCompositeRenderable {
041:
042:            public transient int rowIndex = -1;
043:
044:            @XmlElement(name="option")
045:            public NavigationOption[] navOptions = new NavigationOption[0];
046:
047:            public void setRowIndex(int ri) {
048:                this .rowIndex = computeRowIndex(ri);
049:            }
050:
051:            public int computeRowIndex(int ri) {
052:                if (navOptions == null || navOptions.length == 0) {
053:                    return -1;
054:                }
055:                if (ri >= navOptions.length) {
056:                    ri = navOptions.length - 1;
057:                    for (; ri > -1 && navOptions[ri].renderable == null; ri--) {
058:                    }
059:
060:                } else {
061:                    while (ri < this .navOptions.length
062:                            && this .navOptions[ri].renderable == null) {
063:                        ri++;
064:                    }
065:                    if (ri == this .navOptions.length)
066:                        ri = -1;
067:                }
068:                return ri;
069:            }
070:
071:            public Renderable getCurrentRenderable(HttpServletRequest request) {
072:                int currentRowIndex = getCurrentRowIndex(request);
073:                if (navOptions != null && currentRowIndex > -1
074:                        && navOptions.length > currentRowIndex)
075:                    return navOptions[currentRowIndex].renderable;
076:                return null;
077:            }
078:
079:            public int getCurrentRowIndex(HttpServletRequest request) {
080:                String currentIndexStr = (String) request
081:                        .getAttribute(PortalConstants.NAV_LAYOUT_SELECTION_ATTRIB
082:                                + this .getNumericId());
083:                if (currentIndexStr != null) {
084:                    return computeRowIndex(Integer.parseInt(currentIndexStr));
085:                } else {
086:                    return this .rowIndex;
087:                }
088:            }
089:
090:            public NavigationalLayout() {
091:            }
092:
093:            public NavigationalLayout(PortalPage p) {
094:                super (p);
095:            }
096:
097:            public void create(ActionRequest req) {
098:
099:                String temp = req.getParameter("template");
100:                if (temp == null || temp.equals("")) {
101:                    // do nothing
102:                } else {
103:                    setTemplate(temp);
104:                }
105:
106:            }
107:
108:            public void afterUnmarshal(Unmarshaller um, Object parent) {
109:                setRowIndex(0);
110:                if (navOptions != null) {
111:                    for (int i = 0; i < navOptions.length; i++) {
112:                        if (navOptions[i].renderable != null
113:                                && navOptions[i].renderable instanceof  PortletWindow) {
114:                            ((PortletWindow) navOptions[i].renderable)
115:                                    .setTemplate(bprComponentTemplate);
116:                        }
117:                    }
118:                }
119:            }
120:
121:            public void reorderRows(int oldIndex, int newIndex, int parentIndex) {
122:                if (oldIndex < 0 || oldIndex >= navOptions.length)
123:                    return;
124:                if (newIndex < 0 || newIndex >= navOptions.length)
125:                    return;
126:                if (oldIndex == newIndex)
127:                    return;
128:
129:                NavigationOption oldTab = navOptions[oldIndex];
130:                if (oldIndex < newIndex) {
131:                    for (int i = oldIndex; i < newIndex; i++) {
132:                        navOptions[i] = navOptions[i + 1];
133:                    }
134:                    navOptions[newIndex] = oldTab;
135:                    /*
136:                    if (this.rowIndex > oldIndex && this.rowIndex <= newIndex)
137:                    	this.rowIndex--;
138:                     */
139:                } else {
140:                    for (int i = oldIndex; i > newIndex; i--) {
141:                        navOptions[i] = navOptions[i - 1];
142:                    }
143:                    navOptions[newIndex] = oldTab;
144:                    /*
145:                    if (this.rowIndex >= newIndex && this.rowIndex < oldIndex) 
146:                    	this.rowIndex++;
147:                     */
148:                }
149:                /*
150:                if (oldIndex == this.rowIndex)
151:                	this.rowIndex = newIndex;
152:                 */
153:                setRowIndex(0);
154:
155:            }
156:
157:            protected void addRenderable(Renderable r, String optionLabel,
158:                    int level) {
159:                NavigationOption newOption = new NavigationOption();
160:                newOption.label = StringUtil.isNullOrEmpty(optionLabel) ? "sb.portal.new_option_label"
161:                        : optionLabel;
162:                newOption.renderable = r;
163:                newOption.level = level;
164:                newOption.type = NavigationOption.OPTION_TYPE_PORTLET;
165:                newOption.url = null;
166:                addOption(newOption);
167:            }
168:
169:            public void addExternalLink(String optionLabel, String url) {
170:                NavigationOption newOption = new NavigationOption();
171:                newOption.label = StringUtil.isNullOrEmpty(optionLabel) ? "sb.portal.new_option_label"
172:                        : optionLabel;
173:                newOption.renderable = null;
174:                newOption.level = 0;
175:                newOption.type = NavigationOption.OPTION_TYPE_URL;
176:                newOption.url = url;
177:                addOption(newOption);
178:
179:            }
180:
181:            public void addHeader(String optionLabel) {
182:                NavigationOption newOption = new NavigationOption();
183:                newOption.label = StringUtil.isNullOrEmpty(optionLabel) ? "sb.portal.new_option_label"
184:                        : optionLabel;
185:                newOption.renderable = null;
186:                newOption.level = 0;
187:                newOption.type = NavigationOption.OPTION_TYPE_HEADER;
188:                newOption.url = null;
189:                addOption(newOption);
190:
191:            }
192:
193:            protected void addOption(NavigationOption opt) {
194:                NavigationOption[] newOptions = new NavigationOption[this .navOptions.length + 1];
195:                for (int i = 0; i < this .navOptions.length; i++) {
196:                    newOptions[i] = this .navOptions[i];
197:                }
198:                newOptions[this .navOptions.length] = opt;
199:                this .navOptions = newOptions;
200:
201:                if (opt.renderable != null
202:                        && opt.renderable instanceof  PortletWindow) {
203:                    opt.renderable.setTemplate(this .bprComponentTemplate);
204:                }
205:
206:                if (this .rowIndex == -1)
207:                    setRowIndex(0);
208:            }
209:
210:            public void deleteOption(int rowId) {
211:                NavigationOption[] newOptions = new NavigationOption[this .navOptions.length - 1];
212:                for (int i = 0; i < rowId; i++) {
213:                    newOptions[i] = this .navOptions[i];
214:                }
215:                for (int i = rowId; i < newOptions.length; i++) {
216:                    newOptions[i] = this .navOptions[i + 1];
217:                }
218:                /*
219:                if (this.rowIndex == rowId) setRowIndex(0);
220:                else if (this.rowIndex > rowId) this.rowIndex--;
221:                 */
222:                this .navOptions = newOptions;
223:                setRowIndex(0);
224:            }
225:
226:            public void renameOption(int rowId, String newName) {
227:                if (StringUtil.isNotNullOrEmpty(newName))
228:                    this .navOptions[rowId].label = newName;
229:            }
230:
231:            public void addContent(Renderable r, String optionLabel) {
232:                addRenderable(r, optionLabel, 0);
233:                setRowIndex(0);
234:            }
235:
236:            public Iterator<Renderable> getComponents() {
237:                List<Renderable> rList = new ArrayList<Renderable>();
238:
239:                if (this .navOptions != null) {
240:                    for (int i = 0; i < this .navOptions.length; i++) {
241:                        if (this .navOptions[i].renderable != null)
242:                            rList.add(this .navOptions[i].renderable);
243:                    }
244:
245:                }
246:                return rList.iterator();
247:            }
248:
249:            public boolean removePortletWindow(PortletWindow pWindow) {
250:
251:                for (int i = 0; i < navOptions.length; i++) {
252:                    if (navOptions[i].renderable == pWindow) {
253:                        deleteRow(i);
254:                        return true;
255:                    } else {
256:                        if (navOptions[i].renderable
257:                                .removePortletWindow(pWindow))
258:                            return true;
259:                    }
260:                }
261:
262:                return false;
263:
264:            }
265:
266:            /**
267:             * Delete a portlet at the specified index. 
268:             */
269:            public void deleteRow(int portletIndex) {
270:
271:                if (portletIndex < 0 || portletIndex >= navOptions.length) {
272:                    // ignore invalid indices
273:                    //warn("Attempt to delete a portlet with invalid portlet index.");
274:                    return;
275:                }
276:
277:                NavigationOption[] newOptions = new NavigationOption[navOptions.length - 1];
278:
279:                for (int i = 0; i < portletIndex; i++) {
280:                    newOptions[i] = navOptions[i];
281:                }
282:
283:                int newLen = newOptions.length;
284:
285:                for (int i = portletIndex; i < newLen; i++) {
286:                    newOptions[i] = navOptions[i + 1];
287:                }
288:
289:                navOptions = newOptions;
290:                setRowIndex(this .rowIndex);
291:            }
292:
293:            public void addPortletWindow(PortletWindow pWindow) {
294:                addRenderable(pWindow, "New Option", 0);
295:            }
296:
297:        }
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