// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.debug.ui;
import org.chromium.debug.core.ChromiumDebugPlugin;
import org.chromium.debug.core.model.ChromiumExceptionBreakpoint;
import org.chromium.debug.core.model.DebugTargetImpl;
import org.chromium.debug.core.model.Value;
import org.chromium.debug.core.model.ValueBase;
import org.chromium.debug.core.model.WorkspaceBridge.JsLabelProvider;
import org.chromium.debug.ui.editors.JsEditor;
import org.chromium.sdk.util.BasicUtil;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IBreakpoint;
import org.eclipse.debug.core.model.ILineBreakpoint;
import org.eclipse.debug.core.model.IValue;
import org.eclipse.debug.ui.IDebugModelPresentation;
import org.eclipse.debug.ui.IValueDetailListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.graphics.Image;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.part.FileEditorInput;
/**
* An IDebugModelPresentation for the Chromium JavaScript debug model.
*/
public class JsDebugModelPresentation extends LabelProvider implements IDebugModelPresentation {
public void setAttribute(String attribute, Object value) {
}
@Override
public Image getImage(Object element) {
// use default image
return null;
}
@Override
public String getText(Object element) {
if (element instanceof DebugTargetImpl) {
DebugTargetImpl debugTargetImpl = (DebugTargetImpl) element;
JsLabelProvider labelProvider = debugTargetImpl.getLabelProvider();
try {
return labelProvider.getTargetLabel(debugTargetImpl);
} catch (DebugException e) {
ChromiumDebugPlugin.log(
new Exception("Failed to read debug target label", e)); //$NON-NLS-1$
}
return null;
}
if (element instanceof IBreakpoint) {
IBreakpoint breakpoint = (IBreakpoint) element;
ChromiumExceptionBreakpoint exceptionBreakpoint =
ChromiumExceptionBreakpoint.tryCastBreakpoint(breakpoint);
if (exceptionBreakpoint != null) {
String caughtAddendum;
if (exceptionBreakpoint.getIncludeCaught()) {
caughtAddendum = Messages.JsDebugModelPresentation_EXCEPTION_LABEL_CAUGHT_ADDENDUM;
} else {
caughtAddendum = ""; //$NON-NLS-1$
}
return NLS.bind(Messages.JsDebugModelPresentation_EXCEPTION_LABEL,
caughtAddendum);
}
return null;
}
// use default label text
return null;
}
public void computeDetail(IValue value, IValueDetailListener listener) {
ValueBase chromiumValue = ValueBase.cast(value);
if (chromiumValue == null) {
String detail = BasicUtil.getStacktraceString(
new Exception("Unexpected type of value: " + value)); //$NON-NLS-1$
listener.detailComputed(value, detail);
return;
}
Value realValue = chromiumValue.asRealValue();
if (realValue == null) {
String detail = chromiumValue.getValueString();
listener.detailComputed(value, detail);
return;
}
realValue.computeDetailAsync(listener);
}
public IEditorInput getEditorInput(Object element) {
return toEditorInput(element);
}
public static IEditorInput toEditorInput(Object element) {
if (element instanceof IFile) {
return new FileEditorInput((IFile) element);
}
if (element instanceof ILineBreakpoint) {
return new FileEditorInput(
(IFile) ((ILineBreakpoint) element).getMarker().getResource());
}
return null;
}
public String getEditorId(IEditorInput input, Object element) {
IFile file;
if (element instanceof IFile) {
file = (IFile) element;
} else if (element instanceof IBreakpoint) {
IBreakpoint breakpoint = (IBreakpoint) element;
IResource resource = breakpoint.getMarker().getResource();
// Can the breakpoint resource be folder or project? Better check for it.
if (resource instanceof IFile == false) {
return null;
}
file = (IFile) resource;
} else {
return null;
}
// Pick the editor based on the file extension, taking user preferences into account.
try {
return IDE.getEditorDescriptor(file).getId();
} catch (PartInitException e) {
// TODO(peter.rybin): should it really be the default case?
// There might be no virtual project.
return JsEditor.EDITOR_ID;
}
}
}