Bug 132427 [Markers] TaskPropertiesDialog problems
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/views/tasklist/TaskPropertiesDialog.java
locationText.setLayoutData(gridData);
        locationText.setFont(font);
    }
    /**
     * Updates the dialog from the marker state.
     */
    private void updateDialogFromMarker() {
        if (marker == null) {
            updateDialogForNewMarker();
            return;
        }
        descriptionText.setText(MarkerUtil.getMessage(marker));
        descriptionText.selectAll();
        creationTime.setText(MarkerUtil.getCreationTime(marker));
        if (isTask()) {
            priorityCombo.clearSelection();
            priorityCombo.select(IMarker.PRIORITY_HIGH
                    - MarkerUtil.getPriority(marker));
            completedCheckbox.setSelection(MarkerUtil.isComplete(marker));
            markDirty();
        } else {
            /* 	workaround for bug 11078: Can't get a read-only combo box
             severityCombo.clearSelection();
             severityCombo.select(IMarker.SEVERITY_ERROR - MarkerUtil.getSeverity(marker));
             */
            String sev = ""; 
            switch (MarkerUtil.getSeverity(marker)) {
            case IMarker.SEVERITY_ERROR:
                sev = TaskListMessages.TaskList_error;
                break;