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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.ui.console;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IEditorRegistry;
import org.eclipse.ui.IWorkbench;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.console.IHyperlink;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.eclipse.ui.texteditor.ITextEditor;
/**
* A hyperlink that opens a file in a text editor and selects a range of text.
* <p>
* This class is not intended to be subclassed; clients may instantiate this
* class.
* </p>
* @since 2.1
*/
public class FileLink implements IHyperlink {
private IFile fFile;
private int fFileOffset;
private int fFileLength;
private int fFileLineNumber;
private String fEditorId;
/**
* Constructs a hyperlink to the specified file.
*
* @param file the file to open when activated
* @param editorId the identifier of the editor to open the file in, or
* <code>null</code> if the default editor should be used
* @param fileOffset the offset in the file to select when activated, or -1
* @param fileLength the length of text to select in the file when activated
* or -1
* @param fileLineNumber the line number to select in the file when
* activated, or -1
*/
public FileLink(IFile file, String editorId, int fileOffset, int fileLength, int fileLineNumber) {
fFile = file;
fFileOffset = fileOffset;
fFileLength = fileLength;
fFileLineNumber = fileLineNumber;
fEditorId = editorId;
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.console.IConsoleHyperlink#linkActivated()
*/
public void linkActivated() {
IWorkbenchWindow window = DebugUIPlugin.getActiveWorkbenchWindow();
if (window != null) {
IWorkbenchPage page = window.getActivePage();
if (page != null) {
try {
IEditorPart editorPart = page.openEditor(new FileEditorInput(fFile), getEditorId() , false);
if (fFileLineNumber > 0 && editorPart instanceof ITextEditor) {
ITextEditor textEditor = (ITextEditor)editorPart;
IEditorInput input = editorPart.getEditorInput();
if (fFileOffset < 0) {
IDocumentProvider provider = textEditor.getDocumentProvider();
try {
provider.connect(input);
} catch (CoreException e) {
// unable to link
DebugUIPlugin.log(e);
return;
}
IDocument document = provider.getDocument(input);
try {
fFileOffset = document.getLineOffset(fFileLineNumber - 1);
fFileLength = document.getLineLength(fFileLineNumber - 1);
} catch (BadLocationException e) {
// unable to link
DebugUIPlugin.log(e);
}
provider.disconnect(input);
}
if (fFileOffset >= 0 && fFileLength >=0) {
textEditor.selectAndReveal(fFileOffset, fFileLength);
}
}
} catch (PartInitException e) {
DebugUIPlugin.log(e);
}
}
}
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.console.IConsoleHyperlink#linkEntered()
*/
public void linkEntered() {
}
/* (non-Javadoc)
* @see org.eclipse.debug.ui.console.IConsoleHyperlink#linkExited()
*/
public void linkExited() {
}
private String getEditorId() {
if (fEditorId == null) {
IWorkbench workbench= DebugUIPlugin.getDefault().getWorkbench();
// If there is a registered editor for the file use it.
IEditorDescriptor desc = workbench.getEditorRegistry().getDefaultEditor(fFile.getName());
if (desc == null) {
//default editor
desc= workbench.getEditorRegistry().findEditor(IEditorRegistry.SYSTEM_EXTERNAL_EDITOR_ID);
}
fEditorId= desc.getId();
}
return fEditorId;
}
}
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