Added hyperlink detector for Collaboration Example.

3 files changed, 242 insertions, 7 deletions

diff --git a/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabHyperlink.java b/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabHyperlink.java
new file mode 100644
index 000000000..3a35c167f
--- /dev/null
+++ b/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabHyperlink.java
@@ -0,0 +1,91 @@
+/****************************************************************************
+ * Copyright (c) 2007 Composent, Inc. and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Composent, Inc. - initial API and implementation
+ *****************************************************************************/
+
+package org.eclipse.ecf.example.collab.share;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.ecf.example.collab.share.EclipseCollabHyperlinkDetector.Selection;
+import org.eclipse.ecf.internal.example.collab.ClientPlugin;
+import org.eclipse.ecf.internal.example.collab.ui.EditorHelper;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.hyperlink.IHyperlink;
+import org.eclipse.osgi.util.NLS;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+
+/**
+ *
+ */
+public class EclipseCollabHyperlink implements IHyperlink {
+
+	private final IRegion region;
+
+	private final String fileName;
+
+	private final Selection selection;
+
+	/**
+	 * @param detectedRegion
+	 * @param fileName
+	 * @param selection
+	 */
+	public EclipseCollabHyperlink(IRegion detectedRegion, String fileName, Selection selection) {
+		this.region = detectedRegion;
+		this.fileName = fileName;
+		this.selection = selection;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkRegion()
+	 */
+	public IRegion getHyperlinkRegion() {
+		return region;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText()
+	 */
+	public String getHyperlinkText() {
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel()
+	 */
+	public String getTypeLabel() {
+		return null;
+	}
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.text.hyperlink.IHyperlink#open()
+	 */
+	public void open() {
+		final IWorkbench wb = PlatformUI.getWorkbench();
+		final IWorkbenchWindow ww = wb.getActiveWorkbenchWindow();
+		final IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(fileName));
+		if (file != null) {
+			final EditorHelper eh = new EditorHelper(ww);
+			try {
+				eh.openAndSelectForFile(file, (selection == null) ? 0 : selection.getStart(), (selection == null) ? 0 : (selection.getEnd() - selection.getStart()));
+			} catch (final Exception e) {
+				ClientPlugin.log("Exception in openEditorAndSelectForFile", e);
+			}
+		} else {
+			MessageDialog.openInformation(ww.getShell(), "Open Editor Failed", NLS.bind("Cannot open editor for {0}.  It was not found in your workspace.", fileName));
+		}
+
+	}
+
+}
diff --git a/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabHyperlinkDetector.java b/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabHyperlinkDetector.java
new file mode 100644
index 000000000..2ac8499e3
--- /dev/null
+++ b/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabHyperlinkDetector.java
@@ -0,0 +1,150 @@
+/****************************************************************************
+ * Copyright (c) 2007 Composent, Inc. and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Composent, Inc. - initial API and implementation
+ *****************************************************************************/
+package org.eclipse.ecf.example.collab.share;
+
+import org.eclipse.ecf.example.collab.share.EclipseCollabSharedObject.SharedMarker;
+import org.eclipse.jface.text.BadLocationException;
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.IRegion;
+import org.eclipse.jface.text.ITextViewer;
+import org.eclipse.jface.text.Region;
+import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
+import org.eclipse.jface.text.hyperlink.IHyperlink;
+
+public class EclipseCollabHyperlinkDetector extends AbstractHyperlinkDetector {
+
+	public static final String SHARE_FILE_HYPERLINK_END = "/>";
+	public static final String SHARE_FILE_HYPERLINK_START = "<open file=\"";
+	public static final String SHARE_FILE_HYPERLINK_SELECTION = " selection=";
+
+	/* (non-Javadoc)
+	 * @see org.eclipse.jface.text.hyperlink.IHyperlinkDetector#detectHyperlinks(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion, boolean)
+	 */
+	public IHyperlink[] detectHyperlinks(ITextViewer textViewer, IRegion region, boolean canShowMultipleHyperlinks) {
+
+		if (region == null || textViewer == null)
+			return null;
+
+		final IDocument document = textViewer.getDocument();
+		if (document == null)
+			return null;
+
+		final int offset = region.getOffset();
+
+		IRegion lineInfo;
+		String line;
+		try {
+			lineInfo = document.getLineInformationOfOffset(offset);
+			line = document.get(lineInfo.getOffset(), lineInfo.getLength());
+		} catch (final BadLocationException ex) {
+			return null;
+		}
+
+		final IRegion detectedRegion = detectSubRegion(lineInfo, line);
+		if (detectedRegion == null)
+			return null;
+
+		final int detectedStart = detectedRegion.getOffset() - lineInfo.getOffset();
+		final String substring = line.substring(detectedStart, detectedStart + detectedRegion.getLength());
+		final String fileName = detectFileName(substring);
+		if (fileName == null)
+			return null;
+
+		final Selection selection = detectSelection(substring);
+
+		return new IHyperlink[] {new EclipseCollabHyperlink(detectedRegion, fileName, selection)};
+
+	}
+
+	/**
+	 * @param substring
+	 * @return
+	 */
+	private Selection detectSelection(String linkString) {
+		final int beginIndex = linkString.indexOf(SHARE_FILE_HYPERLINK_SELECTION);
+		if (beginIndex == -1)
+			return null;
+		final int endIndex = linkString.indexOf(SHARE_FILE_HYPERLINK_END);
+		if (endIndex == -1)
+			return null;
+		// should have syntax start-end
+		final String selection = linkString.substring(beginIndex + SHARE_FILE_HYPERLINK_SELECTION.length(), endIndex);
+		final int dashIndex = selection.indexOf("-");
+		if (dashIndex == -1)
+			return null;
+		try {
+			final int start = Integer.parseInt(selection.substring(0, dashIndex));
+			final int end = Integer.parseInt(selection.substring(dashIndex + 1));
+			return new Selection(start, end);
+		} catch (final NumberFormatException e) {
+			return null;
+		}
+	}
+
+	class Selection {
+		int start;
+		int end;
+
+		public Selection(int start, int end) {
+			this.start = start;
+			this.end = end;
+		}
+
+		public int getStart() {
+			return start;
+		}
+
+		public int getEnd() {
+			return end;
+		}
+	}
+
+	/**
+	 * @param substring
+	 * @return
+	 */
+	private String detectFileName(String substring) {
+		final int startIndex = substring.indexOf("\"");
+		if (startIndex == -1)
+			return null;
+		final int endIndex = substring.indexOf("\"", startIndex + 1);
+		if (endIndex == -1)
+			return null;
+		return substring.substring(startIndex + 1, endIndex);
+	}
+
+	protected IRegion detectSubRegion(IRegion lineInfo, String fromLine) {
+		final int startIndex = fromLine.indexOf(SHARE_FILE_HYPERLINK_START);
+		if (startIndex == -1)
+			return null;
+		// got one...look for terminator after
+		final int endIndex = fromLine.indexOf(SHARE_FILE_HYPERLINK_END, startIndex);
+		if (endIndex == -1)
+			return null;
+		return new Region(lineInfo.getOffset() + startIndex, (endIndex - startIndex) + SHARE_FILE_HYPERLINK_END.length());
+	}
+
+	public static String createDisplayStringForEditorOpen(String resourceName, SharedMarker marker) {
+		final StringBuffer se = new StringBuffer(EclipseCollabHyperlinkDetector.SHARE_FILE_HYPERLINK_START);
+		se.append(resourceName).append("\"");
+		if (marker != null) {
+			final int start = marker.getOffset().intValue();
+			final int length = marker.getLength().intValue();
+			if (length > 0) {
+				se.append(EclipseCollabHyperlinkDetector.SHARE_FILE_HYPERLINK_SELECTION);
+				se.append(start).append("-").append(start + length);
+			}
+		}
+		se.append(EclipseCollabHyperlinkDetector.SHARE_FILE_HYPERLINK_END);
+		return se.toString();
+	}
+
+}
diff --git a/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabSharedObject.java b/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabSharedObject.java
index 5ec65403c..b32f65494 100644
--- a/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabSharedObject.java
+++ b/examples/bundles/org.eclipse.ecf.example.collab/src/org/eclipse/ecf/example/collab/share/EclipseCollabSharedObject.java
@@ -835,13 +835,7 @@ public class EclipseCollabSharedObject extends GenericSharedObject implements Li
 	}
 
 	protected String createDisplayStringForEditorOpen(String resourceName, SharedMarker marker) {
-		final StringBuffer se = new StringBuffer((marker == null) ? "<open " : "<share ");
-		se.append(resourceName).append(" ");
-		if (marker != null) {
-			se.append(marker.getOffset()).append("-").append(marker.getOffset().intValue() + marker.getLength().intValue());
-		}
-		se.append(">");
-		return se.toString();
+		return EclipseCollabHyperlinkDetector.createDisplayStringForEditorOpen(resourceName, marker);
 	}
 
 	protected IFile getLocalFileForRemote(String file) {