1 files changed, 48 insertions, 0 deletions
diff --git a/archive/org.eclipse.qvt.declarative.editor.imp.runtime/src/org/eclipse/imp/editor/ErrorProposal.java b/archive/org.eclipse.qvt.declarative.editor.imp.runtime/src/org/eclipse/imp/editor/ErrorProposal.java
new file mode 100644
index 000000000..74e443c50
--- /dev/null
+++ b/archive/org.eclipse.qvt.declarative.editor.imp.runtime/src/org/eclipse/imp/editor/ErrorProposal.java
@@ -0,0 +1,48 @@
+package org.eclipse.imp.editor;
+
+import org.eclipse.jface.text.IDocument;
+import org.eclipse.jface.text.contentassist.ICompletionProposal;
+import org.eclipse.jface.text.contentassist.IContextInformation;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+
+/**
+ * Pseudo-ICompletionProposal implementation class for posting error info when proposals can't be computed.
+ * Maintains just an error message and a cursor position (so the text cursor position can be left undisturbed
+ * after this pseudo-proposal is "inserted").
+ * @author rfuhrer@watson.ibm.com
+ */
+public class ErrorProposal implements ICompletionProposal {
+    private final String fDescrip;
+
+    private final int fCursorLoc;
+
+    public ErrorProposal(String descrip, int cursorLoc) {
+        fDescrip= descrip;
+        fCursorLoc= cursorLoc;
+    }
+
+    public void apply(IDocument document) {
+        // do nothing
+    }
+
+    public String getAdditionalProposalInfo() {
+        return null;
+    }
+
+    public IContextInformation getContextInformation() {
+        return null;
+    }
+
+    public String getDisplayString() {
+        return fDescrip;
+    }
+
+    public Image getImage() {
+        return null;
+    }
+
+    public Point getSelection(IDocument document) {
+        return new Point(fCursorLoc, 0);
+    }
+}