001: /*
002: * FacesModelPropertyChangeListener.java
003: *
004: * Created on April 17, 2007, 6:47 PM
005: *
006: * To change this template, choose Tools | Template Manager
007: * and open the template in the editor.
008: */
009: package org.netbeans.modules.web.jsf.navigation;
010:
011: import java.awt.EventQueue;
012: import java.beans.PropertyChangeEvent;
013: import java.beans.PropertyChangeListener;
014: import java.util.List;
015: import java.util.logging.Level;
016: import java.util.logging.LogRecord;
017: import java.util.logging.Logger;
018: import org.netbeans.modules.web.jsf.api.facesmodel.NavigationCase;
019: import org.netbeans.modules.web.jsf.api.facesmodel.NavigationRule;
020: import org.netbeans.modules.xml.xam.Model.State;
021: import org.openide.filesystems.FileObject;
022: import org.openide.loaders.DataObject;
023: import org.openide.loaders.DataObjectNotFoundException;
024: import org.openide.nodes.Node;
025: import org.openide.util.Exceptions;
026:
027: /**
028: *
029: * @author joelle
030: */
031: public class FacesModelPropertyChangeListener implements
032: PropertyChangeListener {
033:
034: public PageFlowController pfc;
035: private static final Logger LOGGER = Logger
036: .getLogger("org.netbeans.modules.web.jsf.navigation");
037:
038: public FacesModelPropertyChangeListener(PageFlowController pfc) {
039: this .pfc = pfc;
040: }
041:
042: public void propertyChange(final PropertyChangeEvent ev) {
043: LogRecord record = new LogRecord(Level.FINE,
044: "Faces Config File Changed:"
045: + pfc.getConfigDataObject().getName());
046: record.setSourceClassName("FacesModelPropertyChangeListener");
047: record.setSourceMethodName("propertyChangeEvent.");
048: record.setParameters(new Object[] { ev.getPropertyName(),
049: ev.getOldValue(), ev.getNewValue() });
050: LOGGER.log(record);
051: if (pfc.getView().isShowing()) {
052: runEventNow(ev);
053: } else {
054: setGraphDirty(ev);
055: }
056:
057: }
058:
059: private boolean isWellFormed = true;
060:
061: private final void setGraphDirty(PropertyChangeEvent ev) {
062: if (!(ev.getPropertyName().equals("managed-bean-class"))
063: && !(ev.getPropertyName().equals("managed-bean-name"))
064: && !(ev.getNewValue() == State.NOT_SYNCED)) {
065:
066: if (ev.getOldValue() == State.NOT_WELL_FORMED) {
067: isWellFormed = true;
068: } else if (ev.getNewValue() == State.NOT_WELL_FORMED) {
069: isWellFormed = false;
070: }
071: pfc.setGraphDirtyWellFormed(isWellFormed);
072: }
073: }
074:
075: protected final void runEventNow(final PropertyChangeEvent ev) {
076: if (ev.getOldValue() == State.NOT_WELL_FORMED) {
077: EventQueue.invokeLater(new Runnable() {
078:
079: public void run() {
080: pfc.getView().removeUserMalFormedFacesConfig(); // Does clear graph take care of this?
081: setupGraph(ev);
082: }
083: });
084: } else if (ev.getPropertyName().equals("managed-bean-class")
085: || ev.getPropertyName().equals("managed-bean-name")
086: || ev.getNewValue() == State.NOT_SYNCED) {
087: /* Do Nothing */
088: } else if (ev.getPropertyName().equals("navigation-case")) {
089: final NavigationCase myNewCase = (NavigationCase) ev
090: .getNewValue(); //Should also check if the old one is null.
091: final NavigationCase myOldCase = (NavigationCase) ev
092: .getOldValue();
093: EventQueue.invokeLater(new Runnable() {
094:
095: public void run() {
096: navigationCaseEventHandler(myNewCase, myOldCase);
097: }
098: });
099: } else if (ev.getPropertyName().equals("navigation-rule")) {
100: //You can actually do nothing.
101: final NavigationRule myNewRule = (NavigationRule) ev
102: .getNewValue();
103: final NavigationRule myOldRule = (NavigationRule) ev
104: .getOldValue();
105: EventQueue.invokeLater(new Runnable() {
106:
107: public void run() {
108: navigationRuleEventHandler(myNewRule, myOldRule);
109: }
110: });
111: } else if (ev.getNewValue() == State.NOT_WELL_FORMED) {
112: EventQueue.invokeLater(new Runnable() {
113:
114: public void run() {
115: PageFlowView view = pfc.getView();
116: view.clearGraph();
117: view.warnUserMalFormedFacesConfig();
118: }
119: });
120: } else if (ev.getPropertyName().equals("textContent")) {
121: setupGraphInAWTThread(ev);
122: } else if (ev.getPropertyName().equals("from-view-id")
123: || ev.getPropertyName().equals("to-view-id")) {
124:
125: final String oldName = FacesModelUtility
126: .getViewIdFiltiered((String) ev.getOldValue());
127: final String newName = FacesModelUtility
128: .getViewIdFiltiered((String) ev.getNewValue());
129:
130: final Object source = ev.getSource();
131:
132: EventQueue.invokeLater(new Runnable() {
133:
134: public void run() {
135: replaceFromViewIdToViewIdEventHandler(ev, source,
136: oldName, newName);
137: // replaceFromViewIdToViewIdEventHandler(oldName, newName, refactoringIsLikely);
138: }
139: });
140: } else if (ev.getPropertyName().equals("from-outcome")) {
141: final String oldName = (String) ev.getOldValue();
142: final String newName = (String) ev.getNewValue();
143: final NavigationCase navCase = (NavigationCase) ev
144: .getSource();
145: EventQueue.invokeLater(new Runnable() {
146:
147: public void run() {
148: replaceFromOutcomeEventHandler(navCase, oldName,
149: newName);
150: }
151: });
152: } else {
153: // System.out.println("Did not catch this event.: " + ev.getPropertyName());
154: setupGraphInAWTThread(ev);
155: }
156:
157: }
158:
159: private final void replaceFromOutcomeEventHandler(
160: NavigationCase navCase, String oldName, String newName) {
161: final NavigationCaseEdge edge = pfc
162: .getNavCase2NavCaseEdge(navCase);
163: PageFlowView view = pfc.getView();
164: view.renameEdgeWidget(edge, newName, oldName);
165: view.validateGraph();
166: }
167:
168: // private final void replaceFromViewIdToViewIdEventHandler(String oldName, String newName, boolean possibleRefactor) {
169: private final void replaceFromViewIdToViewIdEventHandler(
170: PropertyChangeEvent ev, Object source, String oldName,
171: String newName) {
172:
173: LOGGER.entering("\n\nFacesModelPropertyChangeListener",
174: "replaceFromViewIdToViewIdEventHandler");
175: final NavigationCase navCase = source instanceof NavigationCase ? (NavigationCase) source
176: : null;
177: final NavigationRule navRule = source instanceof NavigationRule ? (NavigationRule) source
178: : null;
179:
180: /* Going to have to do this another day. */
181: final Page oldPageNode = pfc.getPageName2Page(oldName);
182: final Page newPageNode = pfc.getPageName2Page(newName);
183: LOGGER.finest("OldPageNode: " + oldPageNode + "\n"
184: + "NewPageNode: " + newPageNode + "\n");
185: boolean isNewPageLinked = false;
186: if (newPageNode != null
187: && pfc.getView().getNodeEdges(newPageNode).size() > 0) {
188: /* This tells me that the new page already exists.*/
189: isNewPageLinked = true;
190: }
191: /* The below code is only necessary if Refactor calls rename on page before it modifies the file. This is not the case right now so this never really gets executed
192: if( possibleRefactor && !isNewPageLinked && oldPageNode != null && newPageNode != null && newPageNode.isDataNode()){
193: // This means that we should replace the new node back to the old because refactoring has likely occured
194: Node node = newPageNode.getWrappedNode();
195: if ( node != null ) {
196: oldPageNode.replaceWrappedNode(node);
197: view.removeNodeWithEdges(newPageNode);
198: pfc.removePageName2Node(newPageNode, true); // Use this instead of replace because I want it to destroy the old node
199: pfc.putPageName2Node(newName, oldPageNode);
200: view.resetNodeWidget(oldPageNode, true);
201: return;
202: }
203: } */
204:
205: if (oldPageNode != null && !pfc.isPageInAnyFacesConfig(oldName)
206: && !isNewPageLinked) {
207: LOGGER
208: .finest("CASE 1: OldPage is not null and does not exist in the facesconfig anymore. This is the firsttime the new page is linked.");
209: final FileObject fileObj = pfc.getWebFolder()
210: .getFileObject(newName);
211: if (fileObj != null && pfc.containsWebFile(fileObj)) {
212: try {
213: final Node delegate = DataObject.find(fileObj)
214: .getNodeDelegate();
215: oldPageNode.replaceWrappedNode(delegate);
216: pfc.getView().resetNodeWidget(oldPageNode, true);
217: /*** JUST PUT TRUE HERE AS A HOLDER */
218: pfc.getView().validateGraph();
219: } catch (DataObjectNotFoundException ex) {
220: Exceptions.printStackTrace(ex);
221: }
222:
223: } else {
224: pfc.changeToAbstractNode(oldPageNode, newName);
225: }
226:
227: } else if (oldPageNode == null
228: && !pfc.isPageInAnyFacesConfig(oldName)) {
229: //This means that oldPage has already been removed. Do nothing.
230: LOGGER.finest("CASE 2: OldPage was removed before.");
231: } else if (navCase != null
232: && pfc.isPageInAnyFacesConfig(oldName)) {
233: LOGGER.finest("CASE 3: NavCase is not null");
234: NavigationCaseEdge oldCaseEdge = pfc
235: .removeNavCase2NavCaseEdge(navCase);
236: NavigationCaseEdge newCaseEdge = new NavigationCaseEdge(pfc
237: .getView().getPageFlowController(), navCase);
238: pfc.putNavCase2NavCaseEdge(navCase, newCaseEdge);
239: navigationCaseEdgeEventHandler(newCaseEdge, oldCaseEdge);
240: // if ( !pfc.isPageInFacesConfig(oldName) ){
241: // LOGGER.finest("CASE 3b: OldPage no longer exists in faces config.");
242: // view.removeNodeWithEdges(oldPageNode);
243: // pfc.removePageName2Node(oldPageNode, true);
244: // view.validateGraph();
245: // }
246: } else if (navRule != null
247: && pfc.isPageInAnyFacesConfig(oldName)) {
248: LOGGER.finest("CASE 4: NavRule is not null.");
249: final List<NavigationCase> navCases = navRule
250: .getNavigationCases();
251: pfc.putNavRule2String(navRule, FacesModelUtility
252: .getViewIdFiltiered(newName));
253: for (NavigationCase this NavCase : navCases) {
254: LOGGER.finest("CASE 4: Redrawing NavRules Case.");
255: NavigationCaseEdge newCaseEdge = null;
256: NavigationCaseEdge oldCaseEdge = null;
257: // oldCaseEdge = pfc.getCase2Node(thisNavCase);
258: oldCaseEdge = pfc
259: .removeNavCase2NavCaseEdge(this NavCase);
260: newCaseEdge = new NavigationCaseEdge(pfc.getView()
261: .getPageFlowController(), this NavCase);
262: pfc.putNavCase2NavCaseEdge(navCase, newCaseEdge);
263: navigationCaseEdgeEventHandler(newCaseEdge, oldCaseEdge);
264: }
265:
266: } else {
267: LOGGER.finest("CASE 5: Setup Graph");
268: setupGraph(ev);
269: }
270:
271: LOGGER.exiting("FacesModelPropertyChangeListener",
272: "replaceFromViewIdToViewIdEventHandler");
273: }
274:
275: private static final String NEWLINE = "\n";
276:
277: private void setupGraph(PropertyChangeEvent ev) {
278: LOGGER
279: .fine(NEWLINE
280: + NEWLINE
281: + "Re-setting Page Flow Editor because of change in faces config xml file."
282: + NEWLINE
283: + "Source Class: org.netbeans.modules.web.jsf.navigation.FacesModelPropertyChangeListener"
284: + NEWLINE
285: + "Method Name: setupGraph(PropertyChangeEvent ev)"
286: + NEWLINE + "Event: " + ev + NEWLINE
287: + "PropertyName:" + ev.getPropertyName()
288: + NEWLINE + "New Value: " + ev.getNewValue()
289: + NEWLINE + "Old Value: " + ev.getOldValue()
290: + NEWLINE + "Source: " + ev.getSource());
291:
292: final LogRecord record = new LogRecord(Level.FINE,
293: "Faces Config Change Re-Setting Graph");
294: record
295: .setSourceClassName("org.netbeans.modules.web.jsf.navigation.FacesModelPropertyChangeListener");
296: record.setSourceMethodName("setupGraph(PropertyChangeEvent)");
297: record.setParameters(new Object[] { ev });
298: LOGGER.log(record);
299: pfc.setupGraph();
300: }
301:
302: private final void navigationCaseEventHandler(
303: NavigationCase myNewCase, NavigationCase myOldCase) {
304: NavigationCaseEdge newCaseEdge = null;
305: NavigationCaseEdge oldCaseEdge = null;
306: if (myNewCase != null) {
307: newCaseEdge = new NavigationCaseEdge(pfc.getView()
308: .getPageFlowController(), myNewCase);
309: pfc.putNavCase2NavCaseEdge(myNewCase, newCaseEdge);
310: // pfc.createEdge(newCaseEdge);
311: }
312:
313: if (myOldCase != null) {
314: oldCaseEdge = pfc.removeNavCase2NavCaseEdge(myOldCase);
315: }
316:
317: navigationCaseEdgeEventHandler(newCaseEdge, oldCaseEdge);
318: // view.validateGraph();
319: }
320:
321: private final void navigationCaseEdgeEventHandler(
322: NavigationCaseEdge newCaseEdge,
323: NavigationCaseEdge oldCaseEdge) {
324: PageFlowView view = pfc.getView();
325: if (newCaseEdge != null && newCaseEdge.getToViewId() != null
326: && newCaseEdge.getFromViewId() != null) {
327: // NavigationCaseEdge newCaseEdge = new NavigationCaseEdge(view.getPageFlowController(), newCase);
328: // pfc.putCase2Node(newCase, newCaseEdge);// case2Node.put(myNewCase, node);
329: Page fromPage = pfc.getPageName2Page(newCaseEdge
330: .getFromViewId());
331: Page toPage = pfc.getPageName2Page(newCaseEdge
332: .getToViewId());
333:
334: if (fromPage == null) {
335: fromPage = pfc.createPage(newCaseEdge.getFromViewId());
336: view.createNode(fromPage, null, null);
337: }
338:
339: if (toPage == null) {
340: toPage = pfc.createPage(newCaseEdge.getToViewId());
341: view.createNode(toPage, null, null);
342: }
343:
344: pfc.createEdge(newCaseEdge);
345: }
346:
347: if (oldCaseEdge != null) {
348: view.removeEdge(oldCaseEdge);
349: removePageIfNoReference(oldCaseEdge.getToViewId());
350: }
351:
352: view.validateGraph();
353: }
354:
355: private final void removePageIfNoReference(String page) {
356: if (page != null) {
357: final Page pageNode = pfc.getPageName2Page(page);
358: if (pageNode != null && !pfc.isPageInAnyFacesConfig(page)) {
359: if (!pageNode.isDataNode()
360: || pfc
361: .isCurrentScope(PageFlowToolbarUtilities.Scope.SCOPE_FACESCONFIG)) {
362: PageFlowView view = pfc.getView();
363: if (pfc
364: .isCurrentScope(PageFlowToolbarUtilities.Scope.SCOPE_ALL_FACESCONFIG)
365: && !pfc.isPageInAnyFacesConfig(page)) {
366: view.removeNodeWithEdges(pageNode);
367: pfc.removePageName2Page(pageNode, true);
368: view.validateGraph();
369: } else if (!pfc
370: .isCurrentScope(PageFlowToolbarUtilities.Scope.SCOPE_ALL_FACESCONFIG)) {
371: view.removeNodeWithEdges(pageNode);
372: pfc.removePageName2Page(pageNode, true);
373: view.validateGraph();
374: }
375:
376: }
377: }
378: }
379: }
380:
381: private final void navigationRuleEventHandler(
382: NavigationRule myNewRule, NavigationRule myOldRule) {
383: //This has side effects in PageFlowNode destroy.
384: //Because it does not consistantly work, I can't account for reactions.
385: if (myOldRule != null) {
386: final String fromPage = pfc.removeNavRule2String(myOldRule);
387:
388: List<NavigationCase> cases = myOldRule.getNavigationCases();
389: for (NavigationCase navCase : cases) {
390: navigationCaseEventHandler(null, navCase);
391: }
392:
393: removePageIfNoReference(fromPage);
394:
395: //Must account for cases being removed with in the rule.
396: }
397:
398: if (myNewRule != null) {
399: pfc.putNavRule2String(myNewRule, FacesModelUtility
400: .getFromViewIdFiltered(myNewRule));
401: }
402:
403: }
404:
405: private final void setupGraphInAWTThread(
406: final PropertyChangeEvent ev) {
407: EventQueue.invokeLater(new Runnable() {
408:
409: public void run() {
410: setupGraph(ev);
411: }
412: });
413: }
414: }
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