Source Code Cross Referenced for FreeTreeTableTreeNode.java in  » Ajax » ItsNat » org » itsnat » feashow » features » components » trees » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Ajax » ItsNat » org.itsnat.feashow.features.components.trees 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * This file is not part of the ItsNat framework.
003:         *
004:         * Original source code use and closed source derivatives are authorized
005:         * to third parties with no restriction or fee.
006:         * The original source code is owned by the author.
007:         *
008:         * This program is distributed AS IS in the hope that it will be useful,
009:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
010:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
011:         *
012:         * Author: Jose Maria Arranz Santamaria
013:         * (C) Innowhere Software Services S.L., Spanish company, year 2007
014:         */
015:
016:        package org.itsnat.feashow.features.components.trees;
017:
018:        import javax.swing.event.TreeModelEvent;
019:        import javax.swing.event.TreeModelListener;
020:        import javax.swing.event.TreeSelectionEvent;
021:        import javax.swing.event.TreeSelectionListener;
022:        import javax.swing.tree.DefaultMutableTreeNode;
023:        import javax.swing.tree.DefaultTreeModel;
024:        import javax.swing.tree.MutableTreeNode;
025:        import javax.swing.tree.TreePath;
026:        import javax.swing.tree.TreeSelectionModel;
027:        import org.itsnat.comp.ItsNatComponentManager;
028:        import org.itsnat.comp.free.ItsNatFreeTree;
029:        import org.itsnat.comp.html.ItsNatHTMLInputButton;
030:        import org.itsnat.comp.html.ItsNatHTMLInputText;
031:        import org.itsnat.core.ItsNatDocument;
032:        import org.itsnat.core.NameValue;
033:        import org.itsnat.feashow.FeatureTreeNode;
034:        import org.itsnat.feashow.FreeTreeDecorator;
035:        import org.w3c.dom.events.Event;
036:        import org.w3c.dom.events.EventListener;
037:        import org.w3c.dom.events.EventTarget;
038:
039:        public class FreeTreeTableTreeNode extends FeatureTreeNode implements 
040:                EventListener, TreeModelListener, TreeSelectionListener {
041:            protected ItsNatFreeTree treeComp;
042:            protected ItsNatHTMLInputButton removeButton;
043:            protected ItsNatHTMLInputText itemPrincipalComp;
044:            protected ItsNatHTMLInputText itemSecondaryComp;
045:            protected ItsNatHTMLInputText posComp;
046:            protected ItsNatHTMLInputButton updateButton;
047:            protected ItsNatHTMLInputButton insertBeforeButton;
048:            protected ItsNatHTMLInputButton insertAfterButton;
049:            protected ItsNatHTMLInputButton insertChildButton;
050:
051:            public FreeTreeTableTreeNode() {
052:            }
053:
054:            public void startExamplePanel() {
055:                ItsNatDocument itsNatDoc = getItsNatDocument();
056:                ItsNatComponentManager compMgr = itsNatDoc
057:                        .getItsNatComponentManager();
058:
059:                NameValue[] artifacts = new NameValue[] { new NameValue(
060:                        "treeTable", "true") };
061:                this .treeComp = (ItsNatFreeTree) compMgr
062:                        .createItsNatComponentById("compId", "freeTree",
063:                                artifacts);
064:                treeComp.setItsNatTreeCellRenderer(new TreeTableItemRenderer(
065:                        itsNatDoc));
066:                treeComp.setItsNatTreeCellEditor(new TreeTableItemEditor(
067:                        treeComp.getItsNatTreeCellEditor()));
068:
069:                DefaultTreeModel dataModel = (DefaultTreeModel) treeComp
070:                        .getTreeModel();
071:                treeComp.setTreeModel(dataModel);
072:
073:                new FreeTreeDecorator(treeComp).bind();
074:
075:                DefaultMutableTreeNode parentNode;
076:
077:                TreeTableItem rootItem = new TreeTableItem("Grey's Anatomy",
078:                        "Famous TV series");
079:                DefaultMutableTreeNode rootNode = new DefaultMutableTreeNode(
080:                        rootItem);
081:                dataModel.setRoot(rootNode);
082:
083:                parentNode = addNode(new TreeTableItem("Characters", "Actors"),
084:                        rootNode);
085:
086:                addNode(new TreeTableItem("Meredith Grey", "Ellen Pompeo"),
087:                        parentNode);
088:                addNode(new TreeTableItem("Cristina Yang", "Sandra Oh"),
089:                        parentNode);
090:                addNode(new TreeTableItem("Alex Karev", "Justin Chambers"),
091:                        parentNode);
092:                addNode(new TreeTableItem("George O'Malley", "T.R. Knight"),
093:                        parentNode);
094:
095:                parentNode = addNode(new TreeTableItem("Other", "Category"),
096:                        rootNode);
097:
098:                addNode(new TreeTableItem("Shonda Rhimes", "Creator"),
099:                        parentNode);
100:                addNode(new TreeTableItem("USA", "Country"), parentNode);
101:                addNode(new TreeTableItem("English", "Language"), parentNode);
102:
103:                TreeSelectionModel selModel = treeComp.getTreeSelectionModel();
104:                selModel
105:                        .setSelectionMode(TreeSelectionModel.CONTIGUOUS_TREE_SELECTION);
106:
107:                selModel.addSelectionPath(new TreePath(parentNode.getPath())); // Other
108:
109:                treeComp.addEventListener("click", this );
110:                dataModel.addTreeModelListener(this );
111:                selModel.addTreeSelectionListener(this );
112:
113:                this .removeButton = (ItsNatHTMLInputButton) compMgr
114:                        .createItsNatComponentById("removeId");
115:                removeButton.addEventListener("click", this );
116:
117:                DefaultMutableTreeNode selectedNode = (DefaultMutableTreeNode) selModel
118:                        .getSelectionPath().getLastPathComponent();
119:                TreeTableItem selectedItem = (TreeTableItem) selectedNode
120:                        .getUserObject();
121:                this .itemPrincipalComp = (ItsNatHTMLInputText) compMgr
122:                        .createItsNatComponentById("itemPrincipalId");
123:                itemPrincipalComp.setText(selectedItem.getPrincipal());
124:                this .itemSecondaryComp = (ItsNatHTMLInputText) compMgr
125:                        .createItsNatComponentById("itemSecondaryId");
126:                itemSecondaryComp.setText(selectedItem.getSecondary());
127:
128:                this .posComp = (ItsNatHTMLInputText) compMgr
129:                        .createItsNatComponentById("posId");
130:                posComp
131:                        .setText(Integer
132:                                .toString(selModel.getMinSelectionRow()));
133:
134:                this .updateButton = (ItsNatHTMLInputButton) compMgr
135:                        .createItsNatComponentById("updateId");
136:                updateButton.addEventListener("click", this );
137:
138:                this .insertBeforeButton = (ItsNatHTMLInputButton) compMgr
139:                        .createItsNatComponentById("insertBeforeId");
140:                insertBeforeButton.addEventListener("click", this );
141:
142:                this .insertAfterButton = (ItsNatHTMLInputButton) compMgr
143:                        .createItsNatComponentById("insertAfterId");
144:                insertAfterButton.addEventListener("click", this );
145:
146:                this .insertChildButton = (ItsNatHTMLInputButton) compMgr
147:                        .createItsNatComponentById("insertChildId");
148:                insertChildButton.addEventListener("click", this );
149:            }
150:
151:            public DefaultMutableTreeNode addNode(Object userObject,
152:                    DefaultMutableTreeNode parentNode) {
153:                DefaultMutableTreeNode childNode = new DefaultMutableTreeNode(
154:                        userObject);
155:                DefaultTreeModel dataModel = (DefaultTreeModel) treeComp
156:                        .getTreeModel();
157:                int count = dataModel.getChildCount(parentNode);
158:                dataModel.insertNodeInto(childNode, parentNode, count);
159:                return childNode;
160:            }
161:
162:            public void endExamplePanel() {
163:                this .treeComp.dispose();
164:                this .treeComp = null;
165:
166:                this .removeButton.dispose();
167:                this .removeButton = null;
168:
169:                this .itemPrincipalComp.dispose();
170:                this .itemPrincipalComp = null;
171:
172:                this .itemSecondaryComp.dispose();
173:                this .itemSecondaryComp = null;
174:
175:                this .posComp.dispose();
176:                this .posComp = null;
177:
178:                this .updateButton.dispose();
179:                this .updateButton = null;
180:
181:                this .insertBeforeButton.dispose();
182:                this .insertBeforeButton = null;
183:
184:                this .insertAfterButton.dispose();
185:                this .insertAfterButton = null;
186:
187:                this .insertChildButton.dispose();
188:                this .insertChildButton = null;
189:            }
190:
191:            public void handleEvent(Event evt) {
192:                log(evt.getCurrentTarget() + " " + evt.getType());
193:
194:                EventTarget currentTarget = evt.getCurrentTarget();
195:                if (currentTarget == removeButton.getHTMLInputElement()) {
196:                    DefaultTreeModel dataModel = (DefaultTreeModel) treeComp
197:                            .getTreeModel();
198:                    TreeSelectionModel selModel = treeComp
199:                            .getTreeSelectionModel();
200:                    if (!selModel.isSelectionEmpty()) {
201:                        // Selection Model is in CONTIGUOUS_TREE_SELECTION mode
202:                        TreePath[] paths = selModel.getSelectionPaths();
203:                        for (int i = 0; i < paths.length; i++) {
204:                            MutableTreeNode node = (MutableTreeNode) paths[i]
205:                                    .getLastPathComponent();
206:                            if (node == dataModel.getRoot())
207:                                dataModel.setRoot(null);
208:                            else if (node.getParent() != null) // If null is already removed (a previous removed node was the parent)
209:                                dataModel.removeNodeFromParent(node);
210:                        }
211:                    }
212:                } else if ((currentTarget == updateButton.getHTMLInputElement())
213:                        || (currentTarget == insertBeforeButton
214:                                .getHTMLInputElement())
215:                        || (currentTarget == insertAfterButton
216:                                .getHTMLInputElement())
217:                        || (currentTarget == insertChildButton
218:                                .getHTMLInputElement())) {
219:                    String newPrincipalItem = itemPrincipalComp.getText();
220:                    String newSecondaryItem = itemSecondaryComp.getText();
221:                    int row;
222:                    try {
223:                        row = Integer.parseInt(posComp.getText());
224:                        DefaultTreeModel dataModel = (DefaultTreeModel) treeComp
225:                                .getTreeModel();
226:                        if (currentTarget == updateButton.getHTMLInputElement()) {
227:                            TreePath path = treeComp.getTreePathForRow(row);
228:                            if (path != null) {
229:                                DefaultMutableTreeNode node = (DefaultMutableTreeNode) path
230:                                        .getLastPathComponent();
231:                                TreeTableItem newItem = (TreeTableItem) node
232:                                        .getUserObject();
233:                                newItem.setPrincipal(newPrincipalItem);
234:                                newItem.setSecondary(newSecondaryItem);
235:                                dataModel.nodeChanged(node); // To notify
236:                            } else
237:                                getItsNatDocument().addCodeToSend(
238:                                        "alert('Bad Position')");
239:                        } else if ((currentTarget == insertBeforeButton
240:                                .getHTMLInputElement())
241:                                || (currentTarget == insertAfterButton
242:                                        .getHTMLInputElement())
243:                                || (currentTarget == insertChildButton
244:                                        .getHTMLInputElement())) {
245:                            TreeTableItem newItem = new TreeTableItem(
246:                                    newPrincipalItem, newSecondaryItem);
247:                            DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(
248:                                    newItem);
249:                            TreePath refPath = treeComp.getTreePathForRow(row);
250:                            if (refPath != null) {
251:                                DefaultMutableTreeNode refNode = (DefaultMutableTreeNode) refPath
252:                                        .getLastPathComponent();
253:                                if ((currentTarget == insertBeforeButton
254:                                        .getHTMLInputElement())
255:                                        || (currentTarget == insertAfterButton
256:                                                .getHTMLInputElement())) {
257:                                    if (row == 0) {
258:                                        getItsNatDocument().addCodeToSend(
259:                                                "alert('Bad Position')");
260:                                    } else {
261:                                        TreePath parentPath = refPath
262:                                                .getParentPath();
263:                                        DefaultMutableTreeNode parentNode = (DefaultMutableTreeNode) parentPath
264:                                                .getLastPathComponent();
265:                                        int childIndex = dataModel
266:                                                .getIndexOfChild(parentNode,
267:                                                        refNode);
268:                                        if (currentTarget == insertAfterButton
269:                                                .getHTMLInputElement())
270:                                            childIndex = childIndex + 1;
271:                                        dataModel.insertNodeInto(newNode,
272:                                                parentNode, childIndex);
273:                                    }
274:                                } else // insert child
275:                                {
276:                                    // refNode is the parent node
277:                                    int childIndex = dataModel
278:                                            .getChildCount(refNode);
279:                                    dataModel.insertNodeInto(newNode, refNode,
280:                                            childIndex);
281:                                }
282:                            } else {
283:                                if ((row == 0) && (dataModel.getRoot() == null))
284:                                    dataModel.setRoot(newNode);
285:                                else
286:                                    getItsNatDocument().addCodeToSend(
287:                                            "alert('Bad Position')");
288:                            }
289:                        }
290:
291:                    } catch (NumberFormatException ex) {
292:                        getItsNatDocument().addCodeToSend(
293:                                "alert('Bad Position')");
294:                    } catch (ArrayIndexOutOfBoundsException ex) {
295:                        getItsNatDocument().addCodeToSend(
296:                                "alert('Bad Position')");
297:                    }
298:                }
299:            }
300:
301:            public void treeNodesChanged(TreeModelEvent e) {
302:                treeChangedLog(e);
303:            }
304:
305:            public void treeNodesInserted(TreeModelEvent e) {
306:                treeChangedLog(e);
307:            }
308:
309:            public void treeNodesRemoved(TreeModelEvent e) {
310:                treeChangedLog(e);
311:            }
312:
313:            public void treeStructureChanged(TreeModelEvent e) {
314:                treeChangedLog(e);
315:            }
316:
317:            public void treeChangedLog(TreeModelEvent e) {
318:                log(e.toString());
319:            }
320:
321:            public void valueChanged(TreeSelectionEvent e) {
322:                TreeSelectionModel selModel = treeComp.getTreeSelectionModel();
323:
324:                TreePath[] paths = e.getPaths();
325:                String fact = "";
326:                for (int i = 0; i < paths.length; i++) {
327:                    TreePath path = paths[i];
328:                    boolean selected = selModel.isPathSelected(path);
329:                    if (selected)
330:                        fact += ", selected ";
331:                    else
332:                        fact += ", deselected ";
333:                    fact += path.getLastPathComponent();
334:                }
335:
336:                log(e.getClass().toString() + " " + fact);
337:
338:                int row = selModel.getMinSelectionRow(); // First selected
339:                if (row != -1) {
340:                    TreePath path = treeComp.getTreePathForRow(row);
341:                    DefaultMutableTreeNode node = (DefaultMutableTreeNode) path
342:                            .getLastPathComponent();
343:                    TreeTableItem value = (TreeTableItem) node.getUserObject();
344:                    itemPrincipalComp.setText(value.getPrincipal());
345:                    itemSecondaryComp.setText(value.getSecondary());
346:                    posComp.setText(Integer.toString(row));
347:                }
348:            }
349:        }
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