2 * Copyright (C) 2007-2012 Argeo GmbH
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org
.argeo
.slc
.client
.ui
.views
;
18 import java
.util
.ArrayList
;
19 import java
.util
.Arrays
;
20 import java
.util
.Comparator
;
21 import java
.util
.Iterator
;
22 import java
.util
.List
;
23 import java
.util
.SortedSet
;
24 import java
.util
.TreeSet
;
26 import javax
.jcr
.Node
;
27 import javax
.jcr
.NodeIterator
;
28 import javax
.jcr
.Property
;
29 import javax
.jcr
.RepositoryException
;
30 import javax
.jcr
.Session
;
31 import javax
.jcr
.nodetype
.NodeType
;
32 import javax
.jcr
.observation
.Event
;
33 import javax
.jcr
.query
.Query
;
34 import javax
.jcr
.query
.QueryManager
;
36 import org
.apache
.commons
.logging
.Log
;
37 import org
.apache
.commons
.logging
.LogFactory
;
38 import org
.argeo
.ArgeoException
;
39 import org
.argeo
.eclipse
.ui
.jcr
.AsyncUiEventListener
;
40 import org
.argeo
.eclipse
.ui
.jcr
.DefaultNodeLabelProvider
;
41 import org
.argeo
.eclipse
.ui
.jcr
.NodeElementComparer
;
42 import org
.argeo
.eclipse
.ui
.jcr
.SimpleNodeContentProvider
;
43 import org
.argeo
.eclipse
.ui
.specific
.EclipseUiSpecificUtils
;
44 import org
.argeo
.slc
.SlcException
;
45 import org
.argeo
.slc
.client
.ui
.ClientUiPlugin
;
46 import org
.argeo
.slc
.client
.ui
.SlcImages
;
47 import org
.argeo
.slc
.client
.ui
.editors
.ProcessEditor
;
48 import org
.argeo
.slc
.client
.ui
.editors
.ProcessEditorInput
;
49 import org
.argeo
.slc
.execution
.ExecutionModulesManager
;
50 import org
.argeo
.slc
.jcr
.SlcJcrConstants
;
51 import org
.argeo
.slc
.jcr
.SlcNames
;
52 import org
.argeo
.slc
.jcr
.SlcTypes
;
53 import org
.eclipse
.jface
.action
.Action
;
54 import org
.eclipse
.jface
.action
.IMenuListener
;
55 import org
.eclipse
.jface
.action
.IMenuManager
;
56 import org
.eclipse
.jface
.action
.MenuManager
;
57 import org
.eclipse
.jface
.viewers
.DoubleClickEvent
;
58 import org
.eclipse
.jface
.viewers
.IDoubleClickListener
;
59 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
60 import org
.eclipse
.jface
.viewers
.ITableLabelProvider
;
61 import org
.eclipse
.jface
.viewers
.TreeViewer
;
62 import org
.eclipse
.swt
.SWT
;
63 import org
.eclipse
.swt
.dnd
.DND
;
64 import org
.eclipse
.swt
.dnd
.DragSourceAdapter
;
65 import org
.eclipse
.swt
.dnd
.DragSourceEvent
;
66 import org
.eclipse
.swt
.dnd
.TextTransfer
;
67 import org
.eclipse
.swt
.dnd
.Transfer
;
68 import org
.eclipse
.swt
.graphics
.Image
;
69 import org
.eclipse
.swt
.widgets
.Composite
;
70 import org
.eclipse
.swt
.widgets
.Display
;
71 import org
.eclipse
.swt
.widgets
.Menu
;
72 import org
.eclipse
.ui
.IWorkbenchPage
;
73 import org
.eclipse
.ui
.PlatformUI
;
74 import org
.eclipse
.ui
.part
.ViewPart
;
76 /** JCR based view of the execution modules. */
77 public class JcrExecutionModulesView
extends ViewPart
implements SlcTypes
,
79 private final static Log log
= LogFactory
80 .getLog(JcrExecutionModulesView
.class);
82 public static final String ID
= ClientUiPlugin
.ID
83 + ".jcrExecutionModulesView";
85 private TreeViewer viewer
;
87 /* DEPENDENCY INJECTION */
88 private Session session
;
89 private ExecutionModulesManager modulesManager
;
91 public void createPartControl(Composite parent
) {
92 viewer
= new TreeViewer(parent
, SWT
.MULTI
| SWT
.H_SCROLL
| SWT
.V_SCROLL
);
93 EclipseUiSpecificUtils
.enableToolTipSupport(viewer
);
94 ViewContentProvider contentProvider
= new ViewContentProvider(session
);
95 viewer
.setContentProvider(contentProvider
);
96 viewer
.setComparer(new NodeElementComparer());
97 final ViewLabelProvider viewLabelProvider
= new ViewLabelProvider();
98 viewer
.setLabelProvider(viewLabelProvider
);
99 viewer
.setInput(getViewSite());
100 viewer
.addDoubleClickListener(new ViewDoubleClickListener());
102 addContextMenu(viewer
);
104 getViewSite().setSelectionProvider(viewer
);
106 Transfer
[] tt
= new Transfer
[] { TextTransfer
.getInstance() };
107 // Transfer[] tt = new Transfer[] { EditorInputTransfer.getInstance() };
108 int operations
= DND
.DROP_COPY
| DND
.DROP_MOVE
;
109 viewer
.addDragSupport(operations
, tt
, new ViewDragListener());
112 String
[] nodeTypes
= { SlcTypes
.SLC_AGENT
,
113 SlcTypes
.SLC_AGENT_FACTORY
, SlcTypes
.SLC_EXECUTION_MODULE
};
114 session
.getWorkspace()
115 .getObservationManager()
117 new VmAgentObserver(viewer
.getTree().getDisplay()),
118 Event
.NODE_ADDED
| Event
.NODE_REMOVED
120 SlcJcrConstants
.VM_AGENT_FACTORY_PATH
, true, null,
122 } catch (RepositoryException e
) {
123 throw new SlcException("Cannot add observer", e
);
127 public void setFocus() {
128 viewer
.getControl().setFocus();
131 public TreeViewer
getViewer() {
135 public void refreshView() {
136 viewer
.setInput(getViewSite());
140 class ViewContentProvider
extends SimpleNodeContentProvider
{
142 public ViewContentProvider(Session session
) {
144 new String
[] { SlcJcrConstants
.VM_AGENT_FACTORY_PATH
});
148 protected Object
[] sort(Object parent
, Object
[] children
) {
149 Object
[] sorted
= new Object
[children
.length
];
150 System
.arraycopy(children
, 0, sorted
, 0, children
.length
);
151 Arrays
.sort(sorted
, new ViewComparator());
156 protected List
<Node
> filterChildren(List
<Node
> children
)
157 throws RepositoryException
{
158 for (Iterator
<Node
> it
= children
.iterator(); it
.hasNext();) {
159 Node node
= it
.next();
160 // execution spec definitions
161 if (node
.getName().equals(SLC_EXECUTION_SPECS
))
164 else if (node
.getParent().isNodeType(
165 SlcTypes
.SLC_EXECUTION_FLOW
))
168 return super.filterChildren(children
);
172 public boolean hasChildren(Object element
) {
173 if (element
instanceof Node
) {
174 Node node
= (Node
) element
;
176 if (node
.isNodeType(SlcTypes
.SLC_EXECUTION_FLOW
))
178 } catch (RepositoryException e
) {
179 throw new SlcException("Cannot check has children", e
);
182 return super.hasChildren(element
);
186 static class ViewComparator
implements Comparator
<Object
> {
188 public int compare(Object o1
, Object o2
) {
190 if (o1
instanceof Node
&& o2
instanceof Node
) {
191 Node node1
= (Node
) o1
;
192 Node node2
= (Node
) o2
;
194 if (node1
.getName().equals(SLC_EXECUTION_SPECS
))
196 if (node2
.getName().equals(SLC_EXECUTION_SPECS
))
199 if (node1
.isNodeType(SLC_EXECUTION_FLOW
)
200 && node2
.isNodeType(SLC_EXECUTION_FLOW
)) {
201 return node1
.getName().compareTo(node2
.getName());
202 } else if (node1
.isNodeType(SLC_EXECUTION_FLOW
)
203 && !node2
.isNodeType(SLC_EXECUTION_FLOW
)) {
205 } else if (!node1
.isNodeType(SLC_EXECUTION_FLOW
)
206 && node2
.isNodeType(SLC_EXECUTION_FLOW
)) {
210 return node1
.getName().compareTo(node2
.getName());
213 } catch (RepositoryException e
) {
214 throw new ArgeoException("Cannot compare " + o1
+ " and " + o2
,
222 private void addContextMenu(TreeViewer flowsViewer
) {
224 final MenuManager menuMgr
= new MenuManager();
225 menuMgr
.setRemoveAllWhenShown(true);
226 menuMgr
.addMenuListener(new IMenuListener() {
228 public void menuAboutToShow(IMenuManager manager
) {
229 menuMgr
.add(new Action("Test") {
231 log
.debug("do something");
236 Menu menu
= menuMgr
.createContextMenu(flowsViewer
.getControl());
237 flowsViewer
.getTree().setMenu(menu
);
238 getSite().registerContextMenu(menuMgr
, flowsViewer
);
241 class VmAgentObserver
extends AsyncUiEventListener
{
243 public VmAgentObserver(Display display
) {
247 protected void onEventInUiThread(List
<Event
> events
) {
248 for (Event event
: events
) {
250 String path
= event
.getPath();
252 if (session
.itemExists(path
)) {
253 Node parentNode
= session
.getNode(path
);// .getParent();
254 if (log
.isTraceEnabled())
255 log
.trace("Refresh " + parentNode
+ " after event "
257 viewer
.refresh(parentNode
);
259 } catch (RepositoryException e
) {
260 log
.warn("Cannot process event " + event
+ ": " + e
);
264 // TODO: optimize based on event
269 class ViewLabelProvider
extends DefaultNodeLabelProvider
implements
270 ITableLabelProvider
{
273 protected String
getText(Node node
) throws RepositoryException
{
274 if (node
.isNodeType(NodeType
.MIX_TITLE
)
275 && node
.hasProperty(Property
.JCR_TITLE
))
276 return node
.getProperty(Property
.JCR_TITLE
).getString();
277 else if (node
.getName().equals(SLC_EXECUTION_SPECS
))
278 return "Execution Specifications";
279 else if (node
.getPath().equals(
280 SlcJcrConstants
.VM_AGENT_FACTORY_PATH
))
281 return "Internal Agents";
282 return super.getText(node
);
286 public Image
getImage(Node node
) throws RepositoryException
{
287 // we try to optimize a bit by putting deeper nodes first
288 if (node
.getParent().isNodeType(
289 SlcTypes
.SLC_EXECUTION_SPEC_ATTRIBUTE
))
290 return SlcImages
.CHOICES
;
291 else if (node
.isNodeType(SlcTypes
.SLC_EXECUTION_SPEC_ATTRIBUTE
))
292 return SlcImages
.EXECUTION_SPEC_ATTRIBUTE
;
293 else if (node
.isNodeType(SlcTypes
.SLC_EXECUTION_SPEC
))
294 return SlcImages
.EXECUTION_SPEC
;
295 else if (node
.getName().equals(SLC_EXECUTION_SPECS
))
296 return SlcImages
.EXECUTION_SPECS
;
297 else if (node
.isNodeType(SlcTypes
.SLC_EXECUTION_FLOW
))
298 return SlcImages
.FLOW
;
299 else if (node
.isNodeType(SlcTypes
.SLC_MODULE
)) {
300 if (node
.getProperty(SLC_STARTED
).getBoolean())
301 return SlcImages
.MODULE
;
303 return SlcImages
.MODULE_STOPPED
;
304 } else if (node
.isNodeType(SlcTypes
.SLC_AGENT
))
305 return SlcImages
.AGENT
;
306 else if (node
.isNodeType(SlcTypes
.SLC_AGENT_FACTORY
))
307 return SlcImages
.AGENT_FACTORY
;
309 return SlcImages
.FOLDER
;
312 public String
getToolTipText(Node node
) throws RepositoryException
{
313 if (node
.isNodeType(NodeType
.MIX_TITLE
)
314 && node
.hasProperty(Property
.JCR_DESCRIPTION
))
315 return node
.getProperty(Property
.JCR_DESCRIPTION
).getString();
316 return super.getToolTipText(node
);
319 public String
getColumnText(Object obj
, int index
) {
323 public Image
getColumnImage(Object obj
, int index
) {
324 return getImage(obj
);
329 class ViewDoubleClickListener
implements IDoubleClickListener
{
330 public void doubleClick(DoubleClickEvent evt
) {
331 Object obj
= ((IStructuredSelection
) evt
.getSelection())
334 if (obj
instanceof Node
) {
335 Node node
= (Node
) obj
;
336 if (node
.isNodeType(SLC_EXECUTION_MODULE
)) {
337 ClientUiPlugin
.startStopExecutionModule(modulesManager
,
340 String path
= node
.getPath();
341 // TODO factorize with editor
342 QueryManager qm
= node
.getSession().getWorkspace()
344 String statement
= "SELECT * FROM ["
345 + SlcTypes
.SLC_EXECUTION_FLOW
346 + "] WHERE ISDESCENDANTNODE(['" + path
347 + "']) OR ISSAMENODE(['" + path
+ "'])";
348 // log.debug(statement);
349 Query query
= qm
.createQuery(statement
, Query
.JCR_SQL2
);
352 SortedSet
<String
> paths
= new TreeSet
<String
>();
353 for (NodeIterator nit
= query
.execute().getNodes(); nit
355 paths
.add(nit
.nextNode().getPath());
358 IWorkbenchPage activePage
= PlatformUI
.getWorkbench()
359 .getActiveWorkbenchWindow().getActivePage();
360 activePage
.openEditor(new ProcessEditorInput(
361 new ArrayList
<String
>(paths
), true),
365 } catch (Exception e
) {
366 throw new SlcException("Cannot open " + obj
, e
);
372 /** Listen to drags */
373 class ViewDragListener
extends DragSourceAdapter
{
375 // Check if the drag action should start.
376 public void dragStart(DragSourceEvent event
) {
377 // we only start drag if at least one of the selected elements is
379 boolean doIt
= false;
380 IStructuredSelection selection
= (IStructuredSelection
) viewer
382 @SuppressWarnings("rawtypes")
383 Iterator it
= selection
.iterator();
385 while (it
.hasNext()) {
386 Object obj
= it
.next();
387 if (obj
instanceof Node
) {
388 Node node
= (Node
) obj
;
389 if (node
.isNodeType(SlcTypes
.SLC_EXECUTION_FLOW
)
390 || node
.isNodeType(SlcTypes
.SLC_EXECUTION_MODULE
)) {
395 } catch (RepositoryException e
) {
396 throw new SlcException("Cannot read node to set drag data", e
);
401 public void dragSetData(DragSourceEvent event
) {
402 IStructuredSelection selection
= (IStructuredSelection
) viewer
404 StringBuilder buf
= new StringBuilder();
405 @SuppressWarnings("rawtypes")
406 Iterator it
= selection
.iterator();
409 while (it
.hasNext()) {
410 Object obj
= it
.next();
412 if (obj
instanceof Node
) {
413 Node node
= (Node
) obj
;
414 if ((node
.isNodeType(SlcTypes
.SLC_EXECUTION_FLOW
) || node
415 .isNodeType(SlcTypes
.SLC_EXECUTION_MODULE
))
416 && TextTransfer
.getInstance().isSupportedType(
418 buf
.append(node
.getPath()).append('\n');
422 } catch (RepositoryException e
) {
423 throw new SlcException("Cannot read node to set drag data", e
);
426 if (buf
.length() > 0) {
427 if (buf
.charAt(buf
.length() - 1) == '\n')
428 buf
.deleteCharAt(buf
.length() - 1);
429 event
.data
= buf
.toString();
430 log
.debug("data set to : " + buf
.toString());
435 // DEPENDENCY INJECTION
436 public void setSession(Session session
) {
437 this.session
= session
;
440 public void setModulesManager(ExecutionModulesManager modulesManager
) {
441 this.modulesManager
= modulesManager
;