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package org.netbeans.modules.ruby.debugger.model;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
import javax.swing.Action;
import org.netbeans.modules.ruby.debugger.ContextProviderWrapper;
import org.netbeans.modules.ruby.debugger.RubySession;
import org.netbeans.spi.debugger.ContextProvider;
import org.netbeans.spi.viewmodel.ModelEvent;
import org.netbeans.spi.viewmodel.ModelListener;
import org.netbeans.spi.viewmodel.NodeActionsProvider;
import org.netbeans.spi.viewmodel.NodeModel;
import org.netbeans.spi.viewmodel.TableModel;
import org.netbeans.spi.viewmodel.TreeModel;
import org.netbeans.spi.viewmodel.UnknownTypeException;
import org.openide.util.NbBundle;
import org.rubyforge.debugcommons.model.RubyThreadInfo;
import static org.netbeans.spi.debugger.ui.Constants.THREAD_STATE_COLUMN_ID;
public final class ThreadsModel implements TreeModel, TableModel, NodeModel, NodeActionsProvider {
private static final String CURRENT =
"org/netbeans/modules/debugger/resources/threadsView/CurrentThread"; // NOI18N
private static final String RUNNING =
"org/netbeans/modules/debugger/resources/threadsView/RunningThread"; // NOI18N
private static final String SUSPENDED =
"org/netbeans/modules/debugger/resources/threadsView/SuspendedThread"; // NOI18N
private ContextProviderWrapper contextProvider;
private final RubySession rubySession;
private final List<ModelListener> listeners;
public ThreadsModel(ContextProvider contextProvider) {
this.contextProvider = new ContextProviderWrapper(contextProvider);
rubySession = this.contextProvider.getRubySession();
listeners = new CopyOnWriteArrayList<ModelListener>();
}
// TreeModel implementation ................................................
public Object getRoot() {
return ROOT;
}
public Object[] getChildren(Object parent, int from, int to)
throws UnknownTypeException {
if (parent == ROOT) {
return rubySession.getThreadInfos();
} else {
throw new UnknownTypeException(parent);
}
}
public boolean isLeaf(Object node) throws UnknownTypeException {
if (node == ROOT) {
return false;
} else if (node instanceof RubyThreadInfo) {
// TODO - consider subthreads?
return true;
} else {
throw new UnknownTypeException(node);
}
}
public int getChildrenCount(Object node) throws UnknownTypeException {
if (node == ROOT) {
return rubySession.getThreadInfos().length;
} else {
throw new UnknownTypeException(node);
}
}
public void addModelListener(ModelListener l) {
listeners.add(l);
}
public void removeModelListener(ModelListener l) {
listeners.remove(l);
}
public void fireChanges() {
for (ModelListener listener : listeners) {
listener.modelChanged(new ModelEvent.TreeChanged(this));
}
}
// NodeModel implementation ................................................
public String getDisplayName(Object node) throws UnknownTypeException {
if (node == ROOT) {
return NbBundle.getMessage(ThreadsModel.class, "CTL_ThreadsModel.Column.Name.Name");
} else if (node instanceof RubyThreadInfo) {
RubyThreadInfo ti = (RubyThreadInfo) node;
String threadName = getThreadName(ti);
return rubySession.isActiveThread(ti.getId()) ?
"<html><b>" + threadName + "</b></html>" : threadName; // NOI18N
} else {
throw new UnknownTypeException(node);
}
}
public String getIconBase(Object node) throws UnknownTypeException {
if (node == ROOT || node instanceof RubyThreadInfo) {
RubyThreadInfo ti = (RubyThreadInfo) node;
if (rubySession.isActiveThread(ti.getId())) {
return CURRENT;
} else if (rubySession.isSuspended(ti)) {
return SUSPENDED;
} else {
return RUNNING;
}
} else {
throw new UnknownTypeException(node);
}
}
public String getShortDescription(Object node)
throws UnknownTypeException {
if (node == ROOT) {
return NbBundle.getMessage(ThreadsModel.class, "CTL_ThreadsModel.Column.Name.Desc");
} else if (node instanceof RubyThreadInfo) {
return getThreadName((RubyThreadInfo) node);
} else {
throw new UnknownTypeException(node);
}
}
// TableModel implementation ...............................................
public Object getValueAt(Object node, String columnID) throws
UnknownTypeException {
if (node instanceof RubyThreadInfo && THREAD_STATE_COLUMN_ID.equals(columnID)) {
return ((RubyThreadInfo) node).getStatus();
} else {
throw new UnknownTypeException(node);
}
}
public boolean isReadOnly(Object node, String columnID) throws
UnknownTypeException {
if (node instanceof RubyThreadInfo && THREAD_STATE_COLUMN_ID.equals(columnID)) {
return true;
} else {
throw new UnknownTypeException(node);
}
}
public void setValueAt(Object node, String columnID, Object value)
throws UnknownTypeException {
throw new UnknownTypeException(node);
}
// NodeActionsProvider implementation ......................................
public void performDefaultAction(Object node)
throws UnknownTypeException {
if (node instanceof RubyThreadInfo) {
RubyThreadInfo ti = (RubyThreadInfo) node;
rubySession.switchThread(ti.getId(), contextProvider);
} else {
throw new UnknownTypeException(node);
}
}
public Action[] getActions(Object node)
throws UnknownTypeException {
return new Action [] {};
}
private String getThreadName(final RubyThreadInfo ti) {
return "RubyThread - " + ti.getId();
}
}