Attachment #49661 for bug #116806

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import org.netbeans.spi.editor.fold.FoldOperation;
import org.openide.util.Exceptions;
import org.openide.util.NbBundle;
import org.openide.util.RequestProcessor;

/**
 * This class is an implementation of @see org.netbeans.spi.editor.fold.FoldManager

            XmlFoldManager.this.clearChanges();
        }

        //always called from AWT thread
        public void updateFinished() {
//            System.out.println("DocumentModel update = " + (System.currentTimeMillis() - startTime) + "ms.");
            XmlFoldManager.this.updateFolds(null);

    }

    public void initFolds(FoldHierarchyTransaction transaction) {

        Document doc = getOperation().getHierarchy().getComponent().getDocument();
        //filtering of the PlainDocument set during the JEditorPane initializatin
        if (!(doc instanceof BaseDocument)) {
            return;
        }
        RequestProcessor.getDefault().post(new Runnable() {
            public void run() {
                try {
                    //set the DocumentModel initialization to lazy mode, in such case
                    //the model initial creation is not done synchronously with the
                    //DocumentModel.getDocumentModel() call but rather than that 
                    //the model initialization happens after some time. The client
                    //needs to listen on the DocumentModelStateListener.updateFinished()
                    //to get the parsed model.
                    getDocument().putProperty("lazy_model", new Object()); //NOI18N
                    
                    //should return quickly, however model is not ready yet
                    model = DocumentModel.getDocumentModel(getDocument()); 
                    
                    //we will get notification once the model is parsed 
                    model.addDocumentModelStateListener(DMLS);
                    
                    model.addDocumentModelListener(DML);
                } catch (DocumentModelException ex) {
                    Exceptions.printStackTrace(ex);
                }
            }
        });
            model.addDocumentModelStateListener(DMLS);
            model.addDocumentModelListener(DML);

            updateFolds(transaction);
        } catch (DocumentModelException ex) {
            Exceptions.printStackTrace(ex);
        }
    }

    //start collecting changes

Lines 178-184 Link Here

(-)xml/tageditorsupport/src/org/netbeans/modules/editor/structure/api/DocumentModel.java (-1 / +5 lines)
178	if E1.startOffset == E2.startOffset then	178	if E1.startOffset == E2.startOffset then
179	if E1.endOffset > E2.endOffset then the E1 is before E2	179	if E1.endOffset > E2.endOffset then the E1 is before E2
180	*/	180	*/
181	initDocumentModel();	181	if(doc.getProperty("lazy_model") == null) { //NOI18N
		182	initDocumentModel();
		183	} else {
		184	requestModelUpdate(false);
		185	}
182		186
183	this.changesWatcher = new DocumentChangesWatcher();	187	this.changesWatcher = new DocumentChangesWatcher();
184	getDocument().addDocumentListener(WeakListeners.document(changesWatcher, doc));	188	getDocument().addDocumentListener(WeakListeners.document(changesWatcher, doc));

Return to bug 116806

Lines 43-48 Link Here

(-)xml/text-edit/src/org/netbeans/modules/xml/text/folding/XmlFoldManager.java (-13 / +30 lines)
43	import org.netbeans.spi.editor.fold.FoldOperation;	43	import org.netbeans.spi.editor.fold.FoldOperation;
44	import org.openide.util.Exceptions;	44	import org.openide.util.Exceptions;
45	import org.openide.util.NbBundle;	45	import org.openide.util.NbBundle;
		46	import org.openide.util.RequestProcessor;
46		47
47	/**	48	/**
48	* This class is an implementation of @see org.netbeans.spi.editor.fold.FoldManager	49	* This class is an implementation of @see org.netbeans.spi.editor.fold.FoldManager
Lines 69-74 Link Here
69	XmlFoldManager.this.clearChanges();	70	XmlFoldManager.this.clearChanges();
70	}	71	}
71		72
		73	//always called from AWT thread
72	public void updateFinished() {	74	public void updateFinished() {
73	// System.out.println("DocumentModel update = " + (System.currentTimeMillis() - startTime) + "ms.");	75	// System.out.println("DocumentModel update = " + (System.currentTimeMillis() - startTime) + "ms.");
74	XmlFoldManager.this.updateFolds(null);	76	XmlFoldManager.this.updateFolds(null);
Lines 113-132 Link Here
113	}	115	}
114		116
115	public void initFolds(FoldHierarchyTransaction transaction) {	117	public void initFolds(FoldHierarchyTransaction transaction) {
116	try {	118
117	Document doc = getOperation().getHierarchy().getComponent().getDocument();	119	Document doc = getOperation().getHierarchy().getComponent().getDocument();
118	//filtering of the PlainDocument set during the JEditorPane initializatin	120	//filtering of the PlainDocument set during the JEditorPane initializatin
119	if (!(doc instanceof BaseDocument)) {	121	if (!(doc instanceof BaseDocument)) {
120	return;	122	return;
		123	}
		124	RequestProcessor.getDefault().post(new Runnable() {
		125	public void run() {
		126	try {
		127	//set the DocumentModel initialization to lazy mode, in such case
		128	//the model initial creation is not done synchronously with the
		129	//DocumentModel.getDocumentModel() call but rather than that
		130	//the model initialization happens after some time. The client
		131	//needs to listen on the DocumentModelStateListener.updateFinished()
		132	//to get the parsed model.
		133	getDocument().putProperty("lazy_model", new Object()); //NOI18N
		134
		135	//should return quickly, however model is not ready yet
		136	model = DocumentModel.getDocumentModel(getDocument());
		137
		138	//we will get notification once the model is parsed
		139	model.addDocumentModelStateListener(DMLS);
		140
		141	model.addDocumentModelListener(DML);
		142	} catch (DocumentModelException ex) {
		143	Exceptions.printStackTrace(ex);
		144	}
121	}	145	}
122	model = DocumentModel.getDocumentModel((BaseDocument) getDocument());	146	});
123	model.addDocumentModelStateListener(DMLS);
124	model.addDocumentModelListener(DML);
125
126	updateFolds(transaction);
127	} catch (DocumentModelException ex) {
128	Exceptions.printStackTrace(ex);
129	}
130	}	147	}
131		148
132	//start collecting changes	149	//start collecting changes