blob: f4316f9ac9197a1352502849eca339352bc0bfba (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
|
package org.eclipse.jst.jsp.ui.internal.projection;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.projection.IProjectionListener;
import org.eclipse.jface.text.source.projection.ProjectionViewer;
import org.eclipse.wst.sse.core.internal.PropagatingAdapter;
import org.eclipse.wst.sse.core.internal.model.FactoryRegistry;
import org.eclipse.wst.sse.core.internal.provisional.INodeNotifier;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.eclipse.wst.sse.core.internal.provisional.StructuredModelManager;
import org.eclipse.wst.sse.ui.internal.projection.IStructuredTextFoldingProvider;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
/**
* Updates the projection model of a structured model for JSP.
*/
public class StructuredTextFoldingProviderJSP implements IStructuredTextFoldingProvider, IProjectionListener {
private final static boolean debugProjectionPerf = "true".equalsIgnoreCase(Platform.getDebugOption("org.eclipse.jst.jsp.ui/projectionperf")); //$NON-NLS-1$ //$NON-NLS-2$
private IDocument fDocument;
private ProjectionViewer fViewer;
/**
* Adds an adapter to node and its children
*
* @param node
* @param level
*/
private void addAdapterToNodeAndChildren(Node node, int level) {
if (node instanceof INodeNotifier) {
INodeNotifier notifier = (INodeNotifier) node;
// try and get the adapter for the current node and update the
// adapter with projection information
ProjectionModelNodeAdapterJSP adapter = (ProjectionModelNodeAdapterJSP) notifier.getExistingAdapter(ProjectionModelNodeAdapterJSP.class);
if (adapter != null) {
adapter.updateAdapter(node);
}
else {
// just call getadapter so the adapter is created and
// automatically initialized
notifier.getAdapterFor(ProjectionModelNodeAdapterJSP.class);
}
ProjectionModelNodeAdapterHTML adapter2 = (ProjectionModelNodeAdapterHTML) notifier.getExistingAdapter(ProjectionModelNodeAdapterHTML.class);
if (adapter2 != null) {
adapter2.updateAdapter(node);
}
else {
// just call getadapter so the adapter is created and
// automatically initialized
notifier.getAdapterFor(ProjectionModelNodeAdapterHTML.class);
}
Node nextChild = node.getFirstChild();
while (nextChild != null) {
Node childNode = nextChild;
nextChild = childNode.getNextSibling();
addAdapterToNodeAndChildren(childNode, level + 1);
}
}
}
/**
* Goes through every node and adds an adapter onto each for tracking
* purposes
*/
private void addAllAdapters() {
long start = System.currentTimeMillis();
IStructuredModel sModel = null;
try {
sModel = StructuredModelManager.getModelManager().getExistingModelForRead(fDocument);
if (sModel != null) {
int startOffset = 0;
IndexedRegion startNode = sModel.getIndexedRegion(startOffset);
if (startNode instanceof Node) {
int level = 0;
Node nextSibling = (Node) startNode;
while (nextSibling != null) {
Node currentNode = nextSibling;
nextSibling = currentNode.getNextSibling();
addAdapterToNodeAndChildren(currentNode, level);
}
}
}
}
finally {
if (sModel != null) {
sModel.releaseFromRead();
}
}
long end = System.currentTimeMillis();
if (debugProjectionPerf)
System.out.println("StructuredTextFoldingProviderJSP.addAllAdapters: " + (end - start)); //$NON-NLS-1$
}
/**
* Get the ProjectionModelNodeAdapterFactoryHTML to use with this
* provider.
*
* @return ProjectionModelNodeAdapterFactoryHTML
*/
private ProjectionModelNodeAdapterFactoryHTML getAdapterFactoryHTML(boolean createIfNeeded) {
long start = System.currentTimeMillis();
ProjectionModelNodeAdapterFactoryHTML factory = null;
IStructuredModel sModel = null;
try {
sModel = StructuredModelManager.getModelManager().getExistingModelForRead(fDocument);
if (sModel != null) {
FactoryRegistry factoryRegistry = sModel.getFactoryRegistry();
// getting the projectionmodelnodeadapter for the first time
// so do some initializing
if (!factoryRegistry.contains(ProjectionModelNodeAdapterHTML.class) && createIfNeeded) {
ProjectionModelNodeAdapterFactoryHTML newFactory = new ProjectionModelNodeAdapterFactoryHTML();
// add factory to factory registry
factoryRegistry.addFactory(newFactory);
// add factory to propogating adapter
IDOMModel domModel = (IDOMModel) sModel;
Document document = domModel.getDocument();
PropagatingAdapter propagatingAdapter = (PropagatingAdapter) ((INodeNotifier) document).getAdapterFor(PropagatingAdapter.class);
if (propagatingAdapter != null) {
propagatingAdapter.addAdaptOnCreateFactory(newFactory);
}
}
// try and get the factory
factory = (ProjectionModelNodeAdapterFactoryHTML) factoryRegistry.getFactoryFor(ProjectionModelNodeAdapterHTML.class);
}
}
finally {
if (sModel != null)
sModel.releaseFromRead();
}
long end = System.currentTimeMillis();
if (debugProjectionPerf)
System.out.println("StructuredTextFoldingProviderJSP.getAdapterFactoryHTML: " + (end - start)); //$NON-NLS-1$
return factory;
}
/**
* Get the ProjectionModelNodeAdapterFactoryJSP to use with this provider.
*
* @return ProjectionModelNodeAdapterFactoryJSP
*/
private ProjectionModelNodeAdapterFactoryJSP getAdapterFactoryJSP(boolean createIfNeeded) {
long start = System.currentTimeMillis();
ProjectionModelNodeAdapterFactoryJSP factory = null;
IStructuredModel sModel = null;
try {
sModel = StructuredModelManager.getModelManager().getExistingModelForRead(fDocument);
if (sModel != null) {
FactoryRegistry factoryRegistry = sModel.getFactoryRegistry();
// getting the projectionmodelnodeadapter for the first time
// so do some initializing
if (!factoryRegistry.contains(ProjectionModelNodeAdapterJSP.class) && createIfNeeded) {
ProjectionModelNodeAdapterFactoryJSP newFactory = new ProjectionModelNodeAdapterFactoryJSP();
// add factory to factory registry
factoryRegistry.addFactory(newFactory);
// add factory to propogating adapter
IDOMModel domModel = (IDOMModel) sModel;
Document document = domModel.getDocument();
PropagatingAdapter propagatingAdapter = (PropagatingAdapter) ((INodeNotifier) document).getAdapterFor(PropagatingAdapter.class);
if (propagatingAdapter != null) {
propagatingAdapter.addAdaptOnCreateFactory(newFactory);
}
}
// try and get the factory
factory = (ProjectionModelNodeAdapterFactoryJSP) factoryRegistry.getFactoryFor(ProjectionModelNodeAdapterJSP.class);
}
}
finally {
if (sModel != null)
sModel.releaseFromRead();
}
long end = System.currentTimeMillis();
if (debugProjectionPerf)
System.out.println("StructuredTextFoldingProviderJSP.getAdapterFactoryJSP: " + (end - start)); //$NON-NLS-1$
return factory;
}
/**
* Initialize this provider with the correct document. Assumes projection
* is enabled. (otherwise, only install would have been called)
*/
public void initialize() {
if (!isInstalled())
return;
// set projection viewer to null on old document's adapter factory
projectionDisabled();
// clear out all annotations
if (fViewer.getProjectionAnnotationModel() != null)
fViewer.getProjectionAnnotationModel().removeAllAnnotations();
fDocument = fViewer.getDocument();
if (fDocument != null) {
// set projection viewer on new document's adapter factory
ProjectionModelNodeAdapterFactoryJSP factory = getAdapterFactoryJSP(true);
if (factory != null) {
factory.setProjectionViewer(fViewer);
}
ProjectionModelNodeAdapterFactoryHTML factory2 = getAdapterFactoryHTML(true);
if (factory2 != null) {
factory2.setProjectionViewer(fViewer);
}
addAllAdapters();
}
}
/**
* Associate a ProjectionViewer with this IStructuredTextFoldingProvider
*
* @param viewer
*/
public void install(ProjectionViewer viewer) {
// uninstall before trying to install new viewer
if (isInstalled()) {
uninstall();
}
fViewer = viewer;
fViewer.addProjectionListener(this);
}
private boolean isInstalled() {
return fViewer != null;
}
public void projectionDisabled() {
ProjectionModelNodeAdapterFactoryJSP factory = getAdapterFactoryJSP(false);
if (factory != null) {
factory.setProjectionViewer(null);
}
ProjectionModelNodeAdapterFactoryHTML factory2 = getAdapterFactoryHTML(false);
if (factory2 != null) {
factory2.setProjectionViewer(null);
}
fDocument = null;
}
public void projectionEnabled() {
initialize();
}
/**
* Disconnect this IStructuredTextFoldingProvider from projection viewer
*/
public void uninstall() {
if (isInstalled()) {
projectionDisabled();
fViewer.removeProjectionListener(this);
fViewer = null;
}
}
}
|
