-package org.simantics.team.ui;\r
-\r
-import java.lang.reflect.Method;\r
-import java.util.ArrayList;\r
-import java.util.Collection;\r
-import java.util.HashMap;\r
-import java.util.Iterator;\r
-import java.util.Map;\r
-\r
-import org.eclipse.jface.viewers.ColumnLabelProvider;\r
-import org.eclipse.jface.viewers.ITreeContentProvider;\r
-import org.eclipse.jface.viewers.Viewer;\r
-import org.eclipse.jface.viewers.ViewerCell;\r
-import org.eclipse.swt.graphics.Image;\r
-import org.simantics.db.ChangeSet;\r
-import org.simantics.db.ChangeSetIdentifier;\r
-import org.simantics.db.Metadata;\r
-import org.simantics.db.ReadGraph;\r
-import org.simantics.db.Session;\r
-import org.simantics.db.common.CommentMetadata;\r
-import org.simantics.db.common.CommitMetadata;\r
-import org.simantics.db.common.UndoMetadata;\r
-import org.simantics.db.common.request.UniqueRead;\r
-import org.simantics.db.common.utils.Logger;\r
-import org.simantics.db.exception.DatabaseException;\r
-import org.simantics.db.service.ManagementSupport;\r
-import org.simantics.db.service.UndoRedoSupport;\r
-import org.simantics.team.internal.Images;\r
-import org.simantics.utils.ui.SWTUtils;\r
-\r
-public class Common {\r
-\r
-}\r
-abstract class TreeElement {\r
- abstract boolean hasChildren();\r
- abstract Object[] getChildren();\r
- abstract Image getIdImage();\r
- abstract String getIdText();\r
- final Image getDateImage() {\r
- return null;\r
- }\r
- String getDateText() {\r
- return null;\r
- }\r
- final Image getCommentImage() {\r
- return null;\r
- }\r
- String getCommentText() {\r
- return null;\r
- }\r
-}\r
-class StringElement extends TreeElement {\r
- protected final String name;\r
- protected final String value;\r
- StringElement(String name, String value) {\r
- this.name = name;\r
- this.value = value;\r
- }\r
- @Override\r
- protected Image getIdImage() {\r
- return Images.getInstance().STRING_IMAGE;\r
- }\r
- @Override\r
- protected String getIdText() {\r
- String s = toString();\r
- return s.substring(0, Math.min(40, s.length()));\r
- }\r
- public String toString() {\r
- return name + "=" + value;\r
- }\r
- @Override\r
- boolean hasChildren() {\r
- return false;\r
- }\r
- @Override\r
- Object[] getChildren() {\r
- return new Object[0];\r
- }\r
-}\r
-class CommentStringElement extends StringElement {\r
- CommentStringElement(String name, String value) {\r
- super(name, value);\r
- }\r
- @Override\r
- protected String getIdText() {\r
- return name.substring(0, Math.min(40, name.length()));\r
- }\r
- @Override\r
- protected String getCommentText() {\r
- return value;\r
- }\r
-}\r
-class DisplayElement extends TreeElement {\r
- protected final String name;\r
- protected final String value;\r
- DisplayElement(String name, String value) {\r
- this.name = name;\r
- this.value = value;\r
- }\r
- @Override\r
- public String toString() {\r
- return name + "=" + value;\r
- }\r
- @Override\r
- protected Image getIdImage() {\r
- return Images.getInstance().DISPLAY_IMAGE;\r
- }\r
- @Override\r
- protected String getIdText() {\r
- return name;\r
- }\r
- @Override\r
- boolean hasChildren() {\r
- return false;\r
- }\r
- @Override\r
- Object[] getChildren() {\r
- return new Object[0];\r
- }\r
- String getValue() {\r
- return value;\r
- }\r
-}\r
-class ChangeSetDisplayElement extends DisplayElement {\r
- private final Session session;\r
- private final long csid;\r
- private String lazyValue;\r
- ChangeSetDisplayElement(String name, Session session, long csid) {\r
- super(name, "");\r
- this.session = session;\r
- this.csid = csid;\r
- }\r
- @Override\r
- public String toString() {\r
- return name + "=" + getValue();\r
- }\r
- @Override\r
- String getValue() {\r
- if (null == lazyValue)\r
- lazyValue = fetchChangeSet();\r
- return lazyValue;\r
- }\r
- private String fetchChangeSet() {\r
- try {\r
- Collection<ChangeSet> css = session.sync(new UniqueRead<Collection<ChangeSet>>() {\r
- @Override\r
- public Collection<ChangeSet> perform(ReadGraph graph) throws DatabaseException {\r
- ManagementSupport ms = graph.getService(ManagementSupport.class);\r
- return ms.fetchChangeSets(graph, csid, csid);\r
- }\r
- });\r
- if (css.size() != 1)\r
- return "<no change set (1)>";\r
- return css.iterator().next().toString();\r
- } catch (DatabaseException e) {\r
- Logger.defaultLogError(e);\r
- }\r
- return "<no change set (2)>";\r
- }\r
-}\r
-class ChangeSetElement extends TreeElement implements Command {\r
- private boolean DEBUG = false;\r
- private ChangeSetIdentifier cs;\r
- private Map<String, byte[]> metadata = null;\r
- private Session session;\r
- ChangeSetElement(Session session, long csid) {\r
- this.session = session;\r
- this.cs = getChangeSetIdentifier(csid);\r
- }\r
- ChangeSetElement(Session session, ChangeSetIdentifier cs) {\r
- this.cs = cs;\r
- this.session = session;\r
- }\r
- @SuppressWarnings("unchecked")\r
- static <T> T getMetadata(Session session, Map<String, byte[]> data, Class<? extends Metadata> dataClass) {\r
- if (null == session || null == data || null == dataClass)\r
- return null;\r
- T result = null;\r
- try {\r
- Method m = dataClass.getMethod("deserialise", Session.class, byte[].class);\r
- byte[] bytes = data.get(dataClass.getName());\r
- if (null != bytes) {\r
- Object value = m.invoke(null, session, bytes);\r
- result = (T)value;\r
- }\r
- } catch (RuntimeException e) {\r
- Logger.defaultLogError(e);\r
- } catch (Exception e) {\r
- Logger.defaultLogError(e);\r
- }\r
- return result;\r
- }\r
- @Override\r
- public void dumpToSelectedRevision()\r
- throws DatabaseException {\r
- if (null == cs)\r
- return;\r
- ManagementSupport ms = session.getService(ManagementSupport.class);\r
- long csid = cs.getId();\r
- ms.dumpRevision(csid);\r
- if (DEBUG)\r
- System.out.println("DEBUG: Dumped change set=" + csid + ".");\r
- }\r
- @Override\r
- public void undoToSelectedRevision()\r
- throws DatabaseException {\r
- if (null == cs)\r
- return;\r
- UndoRedoSupport us = session.getService(UndoRedoSupport.class);\r
- int n = us.undoTo(session, cs.getId());\r
- if (DEBUG)\r
- System.out.println("DEBUG: Reverted " + n + " change sets.");\r
- }\r
- @Override\r
- public void initUndoListFromSelectedRevision()\r
- throws DatabaseException {\r
- if (null == cs)\r
- return;\r
- UndoRedoSupport us = session.getService(UndoRedoSupport.class);\r
- int n = us.initUndoListFrom(session, cs.getId());\r
- if (DEBUG)\r
- System.out.println("DEBUG: Undo list initialised with " + n + " change sets.");\r
- }\r
- @Override\r
- public ChangeSetIdentifier getChangeSetIdentifier() {\r
- return cs;\r
- }\r
- private ChangeSetIdentifier getChangeSetIdentifier(long id) {\r
- ManagementSupport ms = session.getService(ManagementSupport.class);\r
- Collection<ChangeSetIdentifier> cids;\r
- try {\r
- cids = ms.getChangeSetIdentifiers(id, id);\r
- } catch (DatabaseException e) {\r
- Logger.defaultLogError(e);\r
- return null;\r
- }\r
- Iterator<ChangeSetIdentifier> it = cids.iterator();\r
- while (it.hasNext()) {\r
- ChangeSetIdentifier cid = it.next();\r
- if (cid.getId() == id)\r
- return cid;\r
- }\r
- return null;\r
- }\r
- private void getMetadata() {\r
- if(metadata != null)\r
- return;\r
- else if (null == cs) {\r
- metadata = new HashMap<String, byte[]>();\r
- return;\r
- }\r
- try {\r
- metadata = cs.getMetadata();\r
- if (null == metadata) {\r
- ChangeSetIdentifier csid = getChangeSetIdentifier(cs.getId());\r
- if (null != csid)\r
- metadata = csid.getMetadata();\r
- }\r
- } catch (Exception e) {\r
- Logger.defaultLogError(e);\r
- }\r
- if (null == metadata)\r
- metadata = new HashMap<String, byte[]>();\r
- }\r
-// private static final Charset UTF8 = Charset.forName("UTF-8");\r
-// private String toString(byte[] data) {\r
-// if (data == null)\r
-// return "null";\r
-// CharsetDecoder decoder = UTF8.newDecoder();\r
-// ByteBuffer bbuf = ByteBuffer.wrap(data);\r
-// CharBuffer cbuf;\r
-// String s = null;\r
-// try {\r
-// cbuf = decoder.decode(bbuf);\r
-// s = cbuf.toString();\r
-// } catch (CharacterCodingException e) {\r
-// bbuf.rewind();\r
-// try {\r
-// cbuf = UTF8\r
-// .newDecoder()\r
-// .onMalformedInput(CodingErrorAction.REPLACE)\r
-// .onUnmappableCharacter(CodingErrorAction.REPLACE)\r
-// .decode(bbuf);\r
-// s = cbuf.toString();\r
-// } catch (CharacterCodingException e1) {\r
-// return "String conversion error.";\r
-// }\r
-// }\r
-// return s;\r
-// }\r
- @Override\r
- public String toString() {\r
- if (null == cs)\r
- return "<no change set>";\r
- else\r
- return "change set " + cs.getId();\r
- }\r
- @Override\r
- boolean hasChildren() {\r
- if (null == metadata)\r
- getMetadata();\r
- if (null == cs && metadata.isEmpty())\r
- return false;\r
- else\r
- return true;\r
- }\r
- @Override\r
- Object[] getChildren() {\r
- if (null == metadata)\r
- getMetadata();\r
- if (null == cs && metadata.isEmpty())\r
- return new Object[0];\r
- ArrayList<Object> objects = new ArrayList<Object>();\r
- if (!metadata.isEmpty()) {\r
- objects.add(new CommentStringElement("Metaclass", "Count is " + metadata.size() + "."));\r
- \r
- CommitMetadata commitMetadata = getMetadata(session, metadata, CommitMetadata.class);\r
- if (null != commitMetadata) {\r
- if (commitMetadata.opid != 0 && commitMetadata.opid != cs.getId())\r
- objects.add(new StringElement("Part of operation", "" + commitMetadata.opid));\r
- }\r
- \r
- CommentMetadata commentMetadata = getMetadata(session, metadata, CommentMetadata.class);\r
- if (null != commentMetadata)\r
- objects.add(new DisplayElement("Comment", commentMetadata.toString()));\r
- \r
- UndoMetadata undoMetadata = getMetadata(session, metadata, UndoMetadata.class);\r
- if (null != undoMetadata) {\r
- String header = undoMetadata.getHeader();\r
- objects.add(new DisplayElement(header, undoMetadata.toString()));\r
- }\r
- }\r
- if (cs.getId() > 0)\r
- objects.add(new ChangeSetDisplayElement("Change Set", session, cs.getId()));\r
- \r
- return objects.toArray();\r
- }\r
- Image getIdImage() {\r
- return Images.getInstance().CHANGE_SET_IMAGE;\r
- }\r
- String getIdText() {\r
- if (null != cs)\r
- return "" + cs.getId();\r
- else\r
- return "<no id>";\r
- }\r
- String getDateText() {\r
- if (null == metadata)\r
- getMetadata();\r
- if (null == cs || metadata.isEmpty())\r
- return "<no date>";\r
- CommitMetadata commitMetadata = getMetadata(session, metadata, CommitMetadata.class);\r
- if (null != commitMetadata)\r
- return commitMetadata.date.toString();\r
- else\r
- return "<no date>";\r
- }\r
- String getCommentText() {\r
- if (null == metadata)\r
- getMetadata();\r
- if (null == cs || metadata.isEmpty())\r
- return "<no comment>";\r
- CommentMetadata commentMetadata = getMetadata(session, metadata, CommentMetadata.class);\r
- if (null != commentMetadata) {\r
- UndoMetadata undoMetadata = getMetadata(session, metadata, UndoMetadata.class);\r
- String t = commentMetadata.toString();\r
- if (null == undoMetadata)\r
- return t;\r
- else\r
- return undoMetadata.getHeader() + ": " + t;\r
- }\r
- else\r
- return "<no comment>";\r
- }\r
-}\r
-abstract class AbstractColumnLabelProvider extends ColumnLabelProvider {\r
-}\r
-class IdColumnLabelProvider extends AbstractColumnLabelProvider {\r
- @Override\r
- public void update(ViewerCell cell) {\r
- Object element = cell.getElement();\r
- if (!(element instanceof TreeElement))\r
- cell.setText("");\r
- else {\r
- TreeElement te = (TreeElement)element;\r
- String text = te.getIdText();\r
- if (null != text)\r
- cell.setText(text);\r
- Image image = te.getIdImage();\r
- if (null!= image)\r
- cell.setImage(image);\r
- }\r
- }\r
-}\r
-class DateColumnLabelProvider extends AbstractColumnLabelProvider {\r
- @Override\r
- public void update(ViewerCell cell) {\r
- Object element = cell.getElement();\r
- if (!(element instanceof TreeElement))\r
- cell.setText("");\r
- else {\r
- TreeElement te = (TreeElement)element;\r
- String text = te.getDateText();\r
- if (null != text)\r
- cell.setText(text);\r
- Image image = te.getDateImage();\r
- if (null!= image)\r
- cell.setImage(image);\r
- }\r
- }\r
-}\r
-class CommentColumnLabelProvider extends AbstractColumnLabelProvider {\r
- @Override\r
- public void update(ViewerCell cell) {\r
- Object element = cell.getElement();\r
- if (!(element instanceof TreeElement))\r
- cell.setText("");\r
- else {\r
- TreeElement te = (TreeElement)element;\r
- String text = te.getCommentText();\r
- if (null != text)\r
- cell.setText(text);\r
- Image image = te.getCommentImage();\r
- if (null!= image)\r
- cell.setImage(image);\r
- }\r
- }\r
-}\r
-abstract class ChangeSetProvider implements ITreeContentProvider, ManagementSupport.ChangeSetListener {\r
- static final boolean DEBUG = false;\r
- protected final Session session;\r
- protected final ManagementSupport managementSupport;\r
- private boolean subscribed = false;\r
- protected Viewer viewer;\r
- ChangeSetProvider(Session session) {\r
- this.session = session;\r
- this.managementSupport = session.getService(ManagementSupport.class);\r
- subscribe();\r
- }\r
- abstract public Object[] getElements(Object inputElement);\r
- @Override\r
- public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {\r
- this.viewer = viewer;\r
- subscribe();\r
- }\r
- @Override\r
- public void dispose() {\r
- managementSupport.cancel(this);\r
- this.subscribed = false;\r
- }\r
- @Override\r
- public void onChanged(long csid) {\r
- if (null != viewer && this.subscribed)\r
- refresh();\r
- }\r
- @Override\r
- public boolean hasChildren(Object element) {\r
- if (element instanceof TreeElement)\r
- return ((TreeElement)element).hasChildren();\r
- return false;\r
- }\r
- @Override\r
- public Object getParent(Object element) {\r
- return null;\r
- }\r
- @Override\r
- public Object[] getChildren(Object parentElement) {\r
- if (parentElement instanceof TreeElement)\r
- return ((TreeElement)parentElement).getChildren();\r
- else\r
- return null;\r
- }\r
- protected void subscribe() {\r
- if (this.subscribed)\r
- return;\r
- managementSupport.subscribe(this);\r
- this.subscribed = true;\r
- }\r
- protected void refresh() {\r
- if (viewer == null)\r
- return;\r
- SWTUtils.asyncExec(viewer.getControl(), new Runnable() {\r
- @Override\r
- public void run() {\r
- if (!viewer.getControl().isDisposed())\r
- viewer.refresh();\r
- }\r
- });\r
- }\r
-}\r
+package org.simantics.team.ui;
+
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+
+import org.eclipse.jface.viewers.ColumnLabelProvider;
+import org.eclipse.jface.viewers.ITreeContentProvider;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.jface.viewers.ViewerCell;
+import org.eclipse.swt.graphics.Image;
+import org.simantics.db.ChangeSet;
+import org.simantics.db.ChangeSetIdentifier;
+import org.simantics.db.Metadata;
+import org.simantics.db.ReadGraph;
+import org.simantics.db.Session;
+import org.simantics.db.common.CommentMetadata;
+import org.simantics.db.common.CommitMetadata;
+import org.simantics.db.common.UndoMetadata;
+import org.simantics.db.common.request.UniqueRead;
+import org.simantics.db.common.utils.Logger;
+import org.simantics.db.exception.DatabaseException;
+import org.simantics.db.service.ManagementSupport;
+import org.simantics.db.service.UndoRedoSupport;
+import org.simantics.team.internal.Images;
+import org.simantics.utils.ui.SWTUtils;
+
+public class Common {
+
+}
+abstract class TreeElement {
+ abstract boolean hasChildren();
+ abstract Object[] getChildren();
+ abstract Image getIdImage();
+ abstract String getIdText();
+ final Image getDateImage() {
+ return null;
+ }
+ String getDateText() {
+ return null;
+ }
+ final Image getCommentImage() {
+ return null;
+ }
+ String getCommentText() {
+ return null;
+ }
+}
+class StringElement extends TreeElement {
+ protected final String name;
+ protected final String value;
+ StringElement(String name, String value) {
+ this.name = name;
+ this.value = value;
+ }
+ @Override
+ protected Image getIdImage() {
+ return Images.getInstance().STRING_IMAGE;
+ }
+ @Override
+ protected String getIdText() {
+ String s = toString();
+ return s.substring(0, Math.min(40, s.length()));
+ }
+ public String toString() {
+ return name + "=" + value;
+ }
+ @Override
+ boolean hasChildren() {
+ return false;
+ }
+ @Override
+ Object[] getChildren() {
+ return new Object[0];
+ }
+}
+class CommentStringElement extends StringElement {
+ CommentStringElement(String name, String value) {
+ super(name, value);
+ }
+ @Override
+ protected String getIdText() {
+ return name.substring(0, Math.min(40, name.length()));
+ }
+ @Override
+ protected String getCommentText() {
+ return value;
+ }
+}
+class DisplayElement extends TreeElement {
+ protected final String name;
+ protected final String value;
+ DisplayElement(String name, String value) {
+ this.name = name;
+ this.value = value;
+ }
+ @Override
+ public String toString() {
+ return name + "=" + value;
+ }
+ @Override
+ protected Image getIdImage() {
+ return Images.getInstance().DISPLAY_IMAGE;
+ }
+ @Override
+ protected String getIdText() {
+ return name;
+ }
+ @Override
+ boolean hasChildren() {
+ return false;
+ }
+ @Override
+ Object[] getChildren() {
+ return new Object[0];
+ }
+ String getValue() {
+ return value;
+ }
+}
+class ChangeSetDisplayElement extends DisplayElement {
+ private final Session session;
+ private final long csid;
+ private String lazyValue;
+ ChangeSetDisplayElement(String name, Session session, long csid) {
+ super(name, "");
+ this.session = session;
+ this.csid = csid;
+ }
+ @Override
+ public String toString() {
+ return name + "=" + getValue();
+ }
+ @Override
+ String getValue() {
+ if (null == lazyValue)
+ lazyValue = fetchChangeSet();
+ return lazyValue;
+ }
+ private String fetchChangeSet() {
+ try {
+ Collection<ChangeSet> css = session.sync(new UniqueRead<Collection<ChangeSet>>() {
+ @Override
+ public Collection<ChangeSet> perform(ReadGraph graph) throws DatabaseException {
+ ManagementSupport ms = graph.getService(ManagementSupport.class);
+ return ms.fetchChangeSets(graph, csid, csid);
+ }
+ });
+ if (css.size() != 1)
+ return "<no change set (1)>";
+ return css.iterator().next().toString();
+ } catch (DatabaseException e) {
+ Logger.defaultLogError(e);
+ }
+ return "<no change set (2)>";
+ }
+}
+class ChangeSetElement extends TreeElement implements Command {
+ private boolean DEBUG = false;
+ private ChangeSetIdentifier cs;
+ private Map<String, byte[]> metadata = null;
+ private Session session;
+ ChangeSetElement(Session session, long csid) {
+ this.session = session;
+ this.cs = getChangeSetIdentifier(csid);
+ }
+ ChangeSetElement(Session session, ChangeSetIdentifier cs) {
+ this.cs = cs;
+ this.session = session;
+ }
+ @SuppressWarnings("unchecked")
+ static <T> T getMetadata(Session session, Map<String, byte[]> data, Class<? extends Metadata> dataClass) {
+ if (null == session || null == data || null == dataClass)
+ return null;
+ T result = null;
+ try {
+ Method m = dataClass.getMethod("deserialise", Session.class, byte[].class);
+ byte[] bytes = data.get(dataClass.getName());
+ if (null != bytes) {
+ Object value = m.invoke(null, session, bytes);
+ result = (T)value;
+ }
+ } catch (RuntimeException e) {
+ Logger.defaultLogError(e);
+ } catch (Exception e) {
+ Logger.defaultLogError(e);
+ }
+ return result;
+ }
+ @Override
+ public void dumpToSelectedRevision()
+ throws DatabaseException {
+ if (null == cs)
+ return;
+ ManagementSupport ms = session.getService(ManagementSupport.class);
+ long csid = cs.getId();
+ ms.dumpRevision(csid);
+ if (DEBUG)
+ System.out.println("DEBUG: Dumped change set=" + csid + ".");
+ }
+ @Override
+ public void undoToSelectedRevision()
+ throws DatabaseException {
+ if (null == cs)
+ return;
+ UndoRedoSupport us = session.getService(UndoRedoSupport.class);
+ int n = us.undoTo(session, cs.getId());
+ if (DEBUG)
+ System.out.println("DEBUG: Reverted " + n + " change sets.");
+ }
+ @Override
+ public void initUndoListFromSelectedRevision()
+ throws DatabaseException {
+ if (null == cs)
+ return;
+ UndoRedoSupport us = session.getService(UndoRedoSupport.class);
+ int n = us.initUndoListFrom(session, cs.getId());
+ if (DEBUG)
+ System.out.println("DEBUG: Undo list initialised with " + n + " change sets.");
+ }
+ @Override
+ public ChangeSetIdentifier getChangeSetIdentifier() {
+ return cs;
+ }
+ private ChangeSetIdentifier getChangeSetIdentifier(long id) {
+ ManagementSupport ms = session.getService(ManagementSupport.class);
+ Collection<ChangeSetIdentifier> cids;
+ try {
+ cids = ms.getChangeSetIdentifiers(id, id);
+ } catch (DatabaseException e) {
+ Logger.defaultLogError(e);
+ return null;
+ }
+ Iterator<ChangeSetIdentifier> it = cids.iterator();
+ while (it.hasNext()) {
+ ChangeSetIdentifier cid = it.next();
+ if (cid.getId() == id)
+ return cid;
+ }
+ return null;
+ }
+ private void getMetadata() {
+ if(metadata != null)
+ return;
+ else if (null == cs) {
+ metadata = new HashMap<String, byte[]>();
+ return;
+ }
+ try {
+ metadata = cs.getMetadata();
+ if (null == metadata) {
+ ChangeSetIdentifier csid = getChangeSetIdentifier(cs.getId());
+ if (null != csid)
+ metadata = csid.getMetadata();
+ }
+ } catch (Exception e) {
+ Logger.defaultLogError(e);
+ }
+ if (null == metadata)
+ metadata = new HashMap<String, byte[]>();
+ }
+// private static final Charset UTF8 = Charset.forName("UTF-8");
+// private String toString(byte[] data) {
+// if (data == null)
+// return "null";
+// CharsetDecoder decoder = UTF8.newDecoder();
+// ByteBuffer bbuf = ByteBuffer.wrap(data);
+// CharBuffer cbuf;
+// String s = null;
+// try {
+// cbuf = decoder.decode(bbuf);
+// s = cbuf.toString();
+// } catch (CharacterCodingException e) {
+// bbuf.rewind();
+// try {
+// cbuf = UTF8
+// .newDecoder()
+// .onMalformedInput(CodingErrorAction.REPLACE)
+// .onUnmappableCharacter(CodingErrorAction.REPLACE)
+// .decode(bbuf);
+// s = cbuf.toString();
+// } catch (CharacterCodingException e1) {
+// return "String conversion error.";
+// }
+// }
+// return s;
+// }
+ @Override
+ public String toString() {
+ if (null == cs)
+ return "<no change set>";
+ else
+ return "change set " + cs.getId();
+ }
+ @Override
+ boolean hasChildren() {
+ if (null == metadata)
+ getMetadata();
+ if (null == cs && metadata.isEmpty())
+ return false;
+ else
+ return true;
+ }
+ @Override
+ Object[] getChildren() {
+ if (null == metadata)
+ getMetadata();
+ if (null == cs && metadata.isEmpty())
+ return new Object[0];
+ ArrayList<Object> objects = new ArrayList<Object>();
+ if (!metadata.isEmpty()) {
+ objects.add(new CommentStringElement("Metaclass", "Count is " + metadata.size() + "."));
+
+ CommitMetadata commitMetadata = getMetadata(session, metadata, CommitMetadata.class);
+ if (null != commitMetadata) {
+ if (commitMetadata.opid != 0 && commitMetadata.opid != cs.getId())
+ objects.add(new StringElement("Part of operation", "" + commitMetadata.opid));
+ }
+
+ CommentMetadata commentMetadata = getMetadata(session, metadata, CommentMetadata.class);
+ if (null != commentMetadata)
+ objects.add(new DisplayElement("Comment", commentMetadata.toString()));
+
+ UndoMetadata undoMetadata = getMetadata(session, metadata, UndoMetadata.class);
+ if (null != undoMetadata) {
+ String header = undoMetadata.getHeader();
+ objects.add(new DisplayElement(header, undoMetadata.toString()));
+ }
+ }
+ if (cs.getId() > 0)
+ objects.add(new ChangeSetDisplayElement("Change Set", session, cs.getId()));
+
+ return objects.toArray();
+ }
+ Image getIdImage() {
+ return Images.getInstance().CHANGE_SET_IMAGE;
+ }
+ String getIdText() {
+ if (null != cs)
+ return "" + cs.getId();
+ else
+ return "<no id>";
+ }
+ String getDateText() {
+ if (null == metadata)
+ getMetadata();
+ if (null == cs || metadata.isEmpty())
+ return "<no date>";
+ CommitMetadata commitMetadata = getMetadata(session, metadata, CommitMetadata.class);
+ if (null != commitMetadata)
+ return commitMetadata.date.toString();
+ else
+ return "<no date>";
+ }
+ String getCommentText() {
+ if (null == metadata)
+ getMetadata();
+ if (null == cs || metadata.isEmpty())
+ return "<no comment>";
+ CommentMetadata commentMetadata = getMetadata(session, metadata, CommentMetadata.class);
+ if (null != commentMetadata) {
+ UndoMetadata undoMetadata = getMetadata(session, metadata, UndoMetadata.class);
+ String t = commentMetadata.toString();
+ if (null == undoMetadata)
+ return t;
+ else
+ return undoMetadata.getHeader() + ": " + t;
+ }
+ else
+ return "<no comment>";
+ }
+}
+abstract class AbstractColumnLabelProvider extends ColumnLabelProvider {
+}
+class IdColumnLabelProvider extends AbstractColumnLabelProvider {
+ @Override
+ public void update(ViewerCell cell) {
+ Object element = cell.getElement();
+ if (!(element instanceof TreeElement))
+ cell.setText("");
+ else {
+ TreeElement te = (TreeElement)element;
+ String text = te.getIdText();
+ if (null != text)
+ cell.setText(text);
+ Image image = te.getIdImage();
+ if (null!= image)
+ cell.setImage(image);
+ }
+ }
+}
+class DateColumnLabelProvider extends AbstractColumnLabelProvider {
+ @Override
+ public void update(ViewerCell cell) {
+ Object element = cell.getElement();
+ if (!(element instanceof TreeElement))
+ cell.setText("");
+ else {
+ TreeElement te = (TreeElement)element;
+ String text = te.getDateText();
+ if (null != text)
+ cell.setText(text);
+ Image image = te.getDateImage();
+ if (null!= image)
+ cell.setImage(image);
+ }
+ }
+}
+class CommentColumnLabelProvider extends AbstractColumnLabelProvider {
+ @Override
+ public void update(ViewerCell cell) {
+ Object element = cell.getElement();
+ if (!(element instanceof TreeElement))
+ cell.setText("");
+ else {
+ TreeElement te = (TreeElement)element;
+ String text = te.getCommentText();
+ if (null != text)
+ cell.setText(text);
+ Image image = te.getCommentImage();
+ if (null!= image)
+ cell.setImage(image);
+ }
+ }
+}
+abstract class ChangeSetProvider implements ITreeContentProvider, ManagementSupport.ChangeSetListener {
+ static final boolean DEBUG = false;
+ protected final Session session;
+ protected final ManagementSupport managementSupport;
+ private boolean subscribed = false;
+ protected Viewer viewer;
+ ChangeSetProvider(Session session) {
+ this.session = session;
+ this.managementSupport = session.getService(ManagementSupport.class);
+ subscribe();
+ }
+ abstract public Object[] getElements(Object inputElement);
+ @Override
+ public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
+ this.viewer = viewer;
+ subscribe();
+ }
+ @Override
+ public void dispose() {
+ managementSupport.cancel(this);
+ this.subscribed = false;
+ }
+ @Override
+ public void onChanged(long csid) {
+ if (null != viewer && this.subscribed)
+ refresh();
+ }
+ @Override
+ public boolean hasChildren(Object element) {
+ if (element instanceof TreeElement)
+ return ((TreeElement)element).hasChildren();
+ return false;
+ }
+ @Override
+ public Object getParent(Object element) {
+ return null;
+ }
+ @Override
+ public Object[] getChildren(Object parentElement) {
+ if (parentElement instanceof TreeElement)
+ return ((TreeElement)parentElement).getChildren();
+ else
+ return null;
+ }
+ protected void subscribe() {
+ if (this.subscribed)
+ return;
+ managementSupport.subscribe(this);
+ this.subscribed = true;
+ }
+ protected void refresh() {
+ if (viewer == null)
+ return;
+ SWTUtils.asyncExec(viewer.getControl(), new Runnable() {
+ @Override
+ public void run() {
+ if (!viewer.getControl().isDisposed())
+ viewer.refresh();
+ }
+ });
+ }
+}
Code Review / simantics / platform.git / blobdiff