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
.text
.DateFormat
;
19 import java
.text
.SimpleDateFormat
;
20 import java
.util
.ArrayList
;
21 import java
.util
.List
;
23 import javax
.jcr
.Node
;
24 import javax
.jcr
.NodeIterator
;
25 import javax
.jcr
.Property
;
26 import javax
.jcr
.RepositoryException
;
27 import javax
.jcr
.Session
;
28 import javax
.jcr
.observation
.Event
;
29 import javax
.jcr
.observation
.EventListener
;
30 import javax
.jcr
.observation
.ObservationManager
;
31 import javax
.jcr
.query
.Query
;
33 import org
.argeo
.eclipse
.ui
.jcr
.AsyncUiEventListener
;
34 import org
.argeo
.jcr
.JcrUtils
;
35 import org
.argeo
.slc
.SlcException
;
36 import org
.argeo
.slc
.client
.ui
.SlcImages
;
37 import org
.argeo
.slc
.client
.ui
.editors
.ProcessEditor
;
38 import org
.argeo
.slc
.client
.ui
.editors
.ProcessEditorInput
;
39 import org
.argeo
.slc
.execution
.ExecutionProcess
;
40 import org
.argeo
.slc
.jcr
.SlcJcrUtils
;
41 import org
.argeo
.slc
.jcr
.SlcNames
;
42 import org
.argeo
.slc
.jcr
.SlcTypes
;
43 import org
.eclipse
.jface
.viewers
.ColumnLabelProvider
;
44 import org
.eclipse
.jface
.viewers
.DoubleClickEvent
;
45 import org
.eclipse
.jface
.viewers
.IDoubleClickListener
;
46 import org
.eclipse
.jface
.viewers
.IStructuredContentProvider
;
47 import org
.eclipse
.jface
.viewers
.IStructuredSelection
;
48 import org
.eclipse
.jface
.viewers
.ITableLabelProvider
;
49 import org
.eclipse
.jface
.viewers
.TableViewer
;
50 import org
.eclipse
.jface
.viewers
.Viewer
;
51 import org
.eclipse
.swt
.SWT
;
52 import org
.eclipse
.swt
.graphics
.Image
;
53 import org
.eclipse
.swt
.widgets
.Composite
;
54 import org
.eclipse
.swt
.widgets
.Table
;
55 import org
.eclipse
.swt
.widgets
.TableColumn
;
56 import org
.eclipse
.ui
.IWorkbenchPage
;
57 import org
.eclipse
.ui
.PlatformUI
;
58 import org
.eclipse
.ui
.part
.ViewPart
;
60 /** Displays processes. */
61 public class JcrProcessListView
extends ViewPart
{
62 public static final String ID
= "org.argeo.slc.client.ui.jcrProcessListView";
64 private TableViewer viewer
;
66 private Session session
;
68 private EventListener processesObserver
;
70 private DateFormat dateFormat
= new SimpleDateFormat(
71 "EEE, dd MMM yyyy HH:mm:ss");
72 private Integer queryLimit
= 2000;
74 public void createPartControl(Composite parent
) {
75 Table table
= createTable(parent
);
76 viewer
= new TableViewer(table
);
77 viewer
.setLabelProvider(new LabelProvider());
78 viewer
.setContentProvider(new ContentProvider());
79 viewer
.setInput(getViewSite());
80 viewer
.addDoubleClickListener(new ViewDoubleClickListener());
82 processesObserver
= new AsyncUiEventListener(viewer
.getTable()
84 protected void onEventInUiThread(List
<Event
> events
) {
85 // TODO optimize by updating only the changed process
90 ObservationManager observationManager
= session
.getWorkspace()
91 .getObservationManager();
92 observationManager
.addEventListener(processesObserver
,
93 Event
.NODE_ADDED
| Event
.NODE_REMOVED
94 | Event
.PROPERTY_CHANGED
,
95 SlcJcrUtils
.getSlcProcessesBasePath(session
), true, null,
97 } catch (RepositoryException e
) {
98 throw new SlcException("Cannot register listeners", e
);
103 protected Table
createTable(Composite parent
) {
104 int style
= SWT
.SINGLE
| SWT
.BORDER
| SWT
.H_SCROLL
| SWT
.V_SCROLL
105 | SWT
.FULL_SELECTION
;
106 // does not function with RAP, commented for the time being
107 // | SWT.HIDE_SELECTION;
109 Table table
= new Table(parent
, style
);
111 table
.setLinesVisible(true);
112 table
.setHeaderVisible(true);
114 TableColumn column
= new TableColumn(table
, SWT
.LEFT
, 0);
115 column
.setText("Date");
116 column
.setWidth(200);
118 column
= new TableColumn(table
, SWT
.LEFT
, 1);
119 column
.setText("Host");
120 column
.setWidth(100);
122 column
= new TableColumn(table
, SWT
.LEFT
, 2);
123 column
.setText("Id");
124 column
.setWidth(300);
126 column
= new TableColumn(table
, SWT
.LEFT
, 3);
127 column
.setText("Status");
128 column
.setWidth(100);
133 public void setFocus() {
134 viewer
.getControl().setFocus();
138 public void dispose() {
139 JcrUtils
.unregisterQuietly(session
.getWorkspace(), processesObserver
);
143 class ContentProvider
implements IStructuredContentProvider
{
145 public Object
[] getElements(Object inputElement
) {
147 // TODO filter, optimize with virtual table, ...
148 String sql
= "SELECT * from [slc:process] ORDER BY [jcr:lastModified] DESC";
149 Query query
= session
.getWorkspace().getQueryManager()
150 .createQuery(sql
, Query
.JCR_SQL2
);
152 query
.setLimit(queryLimit
);
153 List
<Node
> nodes
= new ArrayList
<Node
>();
154 for (NodeIterator nit
= query
.execute().getNodes(); nit
156 nodes
.add(nit
.nextNode());
158 return nodes
.toArray();
159 } catch (RepositoryException e
) {
160 throw new SlcException("Cannot retrieve processes", e
);
164 public void dispose() {
167 public void inputChanged(Viewer viewer
, Object oldInput
, Object newInput
) {
172 class LabelProvider
extends ColumnLabelProvider
implements
173 ITableLabelProvider
{
175 public Image
getColumnImage(Object obj
, int columnIndex
) {
176 if (columnIndex
!= 0)
179 Node node
= (Node
) obj
;
180 String status
= node
.getProperty(SlcNames
.SLC_STATUS
)
182 if (status
.equals(ExecutionProcess
.NEW
)
183 || status
.equals(ExecutionProcess
.INITIALIZED
)
184 || status
.equals(ExecutionProcess
.SCHEDULED
))
185 return SlcImages
.PROCESS_SCHEDULED
;
186 else if (status
.equals(ExecutionProcess
.ERROR
)
187 || status
.equals(ExecutionProcess
.UNKOWN
))
188 return SlcImages
.PROCESS_ERROR
;
189 else if (status
.equals(ExecutionProcess
.COMPLETED
))
190 return SlcImages
.PROCESS_COMPLETED
;
191 else if (status
.equals(ExecutionProcess
.RUNNING
))
192 return SlcImages
.PROCESS_RUNNING
;
193 else if (status
.equals(ExecutionProcess
.KILLED
))
194 return SlcImages
.PROCESS_ERROR
;
196 throw new SlcException("Unkown status " + status
);
197 } catch (RepositoryException e
) {
198 throw new SlcException("Cannot get column text", e
);
202 public String
getColumnText(Object obj
, int index
) {
204 Node node
= (Node
) obj
;
208 return dateFormat
.format(node
209 .getProperty(Property
.JCR_LAST_MODIFIED
).getDate()
214 return node
.getProperty(SlcNames
.SLC_UUID
).getString();
216 return node
.getProperty(SlcNames
.SLC_STATUS
).getString();
219 } catch (RepositoryException e
) {
220 throw new SlcException("Cannot get column text", e
);
226 class ViewDoubleClickListener
implements IDoubleClickListener
{
227 public void doubleClick(DoubleClickEvent evt
) {
228 Object obj
= ((IStructuredSelection
) evt
.getSelection())
231 if (obj
instanceof Node
) {
232 Node node
= (Node
) obj
;
233 if (node
.isNodeType(SlcTypes
.SLC_PROCESS
)) {
234 IWorkbenchPage activePage
= PlatformUI
.getWorkbench()
235 .getActiveWorkbenchWindow().getActivePage();
236 activePage
.openEditor(
237 new ProcessEditorInput(node
.getPath()),
241 } catch (Exception e
) {
242 throw new SlcException("Cannot open " + obj
, e
);
248 public void setSession(Session session
) {
249 this.session
= session
;