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package org.netbeans.modules.ruby.debugger.model;
import java.io.File;
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.EditorUtil;
import org.netbeans.modules.ruby.debugger.RubySession;
import org.netbeans.spi.debugger.ContextProvider;
import org.netbeans.spi.viewmodel.ModelEvent;
import org.netbeans.spi.viewmodel.NodeModel;
import org.netbeans.spi.viewmodel.TableModel;
import org.netbeans.spi.viewmodel.TreeModel;
import org.netbeans.spi.viewmodel.ModelListener;
import org.netbeans.spi.viewmodel.UnknownTypeException;
import org.netbeans.spi.debugger.ui.Constants;
import org.netbeans.spi.viewmodel.NodeActionsProvider;
import org.openide.util.NbBundle;
import org.rubyforge.debugcommons.model.RubyFrame;
public class CallStackModel implements TreeModel, NodeModel,
NodeActionsProvider, TableModel {
public static final String CALL_STACK =
"org/netbeans/modules/debugger/resources/callStackView/NonCurrentFrame"; // NOI18N
public static final String CURRENT_CALL_STACK =
"org/netbeans/modules/debugger/resources/callStackView/CurrentFrame"; // NOI18N
private final ContextProviderWrapper contextProvider;
private final RubySession rubySession;
private final List<ModelListener> listeners;
public CallStackModel(final 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.getFrames();
} else {
throw new UnknownTypeException(parent);
}
}
public boolean isLeaf(Object node) throws UnknownTypeException {
if (node == ROOT) {
return false;
} else if (node instanceof RubyFrame) {
return true;
} else {
throw new UnknownTypeException(node);
}
}
public int getChildrenCount(Object node) throws UnknownTypeException {
if (node == ROOT) {
return rubySession.getFrames().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(CallStackModel.class, "CTL_CallstackModel.Column.Name.Name");
} else if (node instanceof RubyFrame) {
RubyFrame frame = ((RubyFrame) node);
String basename = new File(frame.getFile()).getName();
String dn = basename + ':' + frame.getLine();
return rubySession.isSelectedFrame(frame) ? "<html><b>" + dn + "</b></html>" : dn; // NOI18N
} else {
throw new UnknownTypeException(node);
}
}
public String getIconBase(Object node) throws UnknownTypeException {
if (node instanceof RubyFrame) {
if (rubySession.isSelectedFrame((RubyFrame) node)) {
return CURRENT_CALL_STACK;
} else {
return CALL_STACK;
}
} else if (node == ROOT) {
return null;
} else {
throw new UnknownTypeException(node);
}
}
public String getShortDescription(Object node)
throws UnknownTypeException {
if (node == ROOT) {
return NbBundle.getMessage(CallStackModel.class, "CTL_CallstackModel.Column.Name.Desc");
} else if (node instanceof RubyFrame) {
return ((RubyFrame) node).getName();
} else {
throw new UnknownTypeException(node);
}
}
// NodeActionsProvider implementation ......................................
public void performDefaultAction(Object node)
throws UnknownTypeException {
if (node instanceof RubyFrame) {
RubyFrame frame = (RubyFrame) node;
EditorUtil.showLine(
EditorUtil.getLineAnnotable(rubySession.resolveAbsolutePath(frame.getFile()),
frame.getLine() - 1));
rubySession.selectFrame(frame);
fireChanges();
contextProvider.getVariablesModel().fireChanges();
contextProvider.getWatchesModel().fireChanges();
} else {
throw new UnknownTypeException(node);
}
}
public Action[] getActions(Object node)
throws UnknownTypeException {
return new Action [] {};
}
// TableModel implementation ...............................................
public Object getValueAt(Object node, String columnID) throws
UnknownTypeException {
if (columnID == Constants.CALL_STACK_FRAME_LOCATION_COLUMN_ID &&
node instanceof RubyFrame) {
RubyFrame frame = (RubyFrame) node;
return frame.getFile();
} else {
throw new UnknownTypeException(node);
}
}
public boolean isReadOnly(Object node, String columnID) throws
UnknownTypeException {
if (columnID == Constants.CALL_STACK_FRAME_LOCATION_COLUMN_ID &&
node instanceof RubyFrame) {
return true;
} else {
throw new UnknownTypeException(node);
}
}
public void setValueAt(Object node, String columnID, Object value)
throws UnknownTypeException {
throw new UnknownTypeException(node);
}
}