centerEastSplit = createSplitPane(JSplitPane.HORIZONTAL_SPLIT, 1, true);
centerEastSplit.setBorder(null);
JComponent centerView = createSplitPaneCanvas();
WindowSection centerSection = window.getWindowSection(ApplicationWindow.CENTER);
centerSection.decorate(centerView);
WindowSectionContent content = new EditorServiceWindowContent(centerSection, window.getEditorService());
AddContentCallback callback = new AddContentWaitIndicator(window);
centerSection.addContent(content, callback);
JComponent east = createSplitPaneCanvas();
window.getWindowSection(ApplicationWindow.EAST).decorate(east);
centerEastSplit.setRightComponent(east);