92 			while (component != null && !(component instanceof BasicGraphEditor)) {  in getEditor()
99 		return null;  in getEditor()
112 			setSelected(editor.getGraphComponent().getColumnHeader() != null);  in ToggleRulersItem()
122 					if (graphComponent.getColumnHeader() != null) {  in ToggleRulersItem()
123 						graphComponent.setColumnHeader(null);  in ToggleRulersItem()
124 						graphComponent.setRowHeader(null);  in ToggleRulersItem()
229 			if (editor != null) {  in actionPerformed()
266 				if (doc != null) {  in actionPerformed()
355 				if (newColor != null) {  in actionPerformed()
395 							JOptionPane.PLAIN_MESSAGE, null, null, "");  in actionPerformed()
397 					if (value != null) {  in actionPerformed()
427 				if (format != null) {  in actionPerformed()
543 		    if (namespace!=null) {  in post()
614 		    if (proxySelector!=null) {  in post()
631 			if (editor != null) {  in actionPerformed()
645 							graph, null, graph.getView().getScale(), bg,  in actionPerformed()
646 							graphComponent.isAntiAlias(), null,  in actionPerformed()
649 					if (image != null) {  in actionPerformed()
724 								if (errorMessage==null) {  in actionPerformed()
790 				Object source = null;  in actionPerformed()
791 				Object target = null;  in actionPerformed()
797 						if (source == null) {  in actionPerformed()
799 						} else if (target == null) {  in actionPerformed()
804 					if (source != null && target != null) {  in actionPerformed()
809 				if (source != null && target != null) {  in actionPerformed()
953 					if (graphComponent != null) {  in ToggleCreateTargetItem()
1013 								JOptionPane.PLAIN_MESSAGE, null, null, current);  in actionPerformed()
1015 						if (value != null) {  in actionPerformed()
1052 			this(target, name, fieldname, refresh, null);  in TogglePropertyItem()
1067 			if (listener != null) {  in TogglePropertyItem()
1142 					mxGraph graph = null;  in execute()
1183 			if (editor != null) {  in actionPerformed()
1217 				Component editorComponent = null;  in actionPerformed()
1230 					if (text == null) {  in actionPerformed()
1281 				if (cells != null && cells.length > 0) {  in actionPerformed()
1308 			if (editor != null) {  in actionPerformed()
1335 			if (editor != null) {  in actionPerformed()
1339 					if (graph != null && !editor.getConfig().isNew()) {  in actionPerformed()
1418 			if (graph != null) {  in actionPerformed()
1450 			if (graph != null && !graph.isSelectionEmpty()) {  in actionPerformed()
1500 			if (graph != null && !graph.isSelectionEmpty()) {  in actionPerformed()
1522 			this(key, null);  in KeyValueAction()
1540 			if (graph != null && !graph.isSelectionEmpty()) {  in actionPerformed()
1573 				if (graph != null && !graph.isSelectionEmpty()) {  in actionPerformed()
1577 							JOptionPane.PLAIN_MESSAGE, null, null, "");  in actionPerformed()
1579 					if (value != null) {  in actionPerformed()
1581 							value = null;  in actionPerformed()
1616 			if (graph != null && !graph.isSelectionEmpty()) {  in actionPerformed()
1634 			if (graph != null && !graph.isSelectionEmpty()) {  in actionPerformed()
1671 							name, null);  in actionPerformed()
1673 					if (newColor != null) {  in actionPerformed()
1696 						"URL", JOptionPane.PLAIN_MESSAGE, null, null,  in actionPerformed()
1699 				if (value != null) {  in actionPerformed()
1701 						graphComponent.setBackgroundImage(null);  in actionPerformed()
1728 						mxResources.get("background"), null);  in actionPerformed()
1730 				if (newColor != null) {  in actionPerformed()
1755 						mxResources.get("pageBackground"), null);  in actionPerformed()
1757 				if (newColor != null) {  in actionPerformed()
1785 								.get("style"), JOptionPane.PLAIN_MESSAGE, null,  in actionPerformed()
1786 						null, initial);  in actionPerformed()
1788 				if (value != null) {  in actionPerformed()