Bug 192633 [FieldAssist] auto-activated proposal popup should be closed when trigger character is removed
I20070608-1718 Auto-activated proposal popup should be closed when trigger character is removed. Steps: - open Find/Replace dialog, activate regex - type "\" or "\r" - when proposals appear, press Backspace until field is empty again Was: Proposals stay up Expected: Proposals should disappear when the triggering character is removed. This is also what happens in the Java Editor.
bundles/org.eclipse.jface/src/org/eclipse/jface/fieldassist/ContentProposalAdapter.java
* @param e
			 *            the event
			 */
			private void dump(String who, Event e) {
				StringBuffer sb = new StringBuffer(
						"--- [ContentProposalAdapter]\n"); 
				sb.append(who);
				sb.append(" - e: keyCode=" + e.keyCode + hex(e.keyCode)); 
				sb.append("; character=" + e.character + hex(e.character)); 
				sb.append("; stateMask=" + e.stateMask + hex(e.stateMask)); 
				sb.append("; doit=" + e.doit); 
				sb.append("; detail=" + e.detail + hex(e.detail)); 
				sb.append("; widget=" + e.widget); 
				System.out.println(sb);
			}
			private String hex(int i) {
				return "[0x" + Integer.toHexString(i) + ']'; 
			}
		};
		control.addListener(SWT.KeyDown, controlListener);
		control.addListener(SWT.Traverse, controlListener);
		control.addListener(SWT.Modify, controlListener);
		if (DEBUG) {
			System.out
					.println("ContentProposalAdapter#installControlListener() - installed"); 
		}
	}
	/**
	 * Open the proposal popup and display the proposals provided by the
	 * proposal provider. If there are no proposals to be shown, do not show the