private HashMap paintables = new HashMap();
- private int requestCount = 0;
-
private WidgetFactory widgetFactory = new DefaultWidgetFactory();
/**
* This is the entry point method.
*/
public void onModuleLoad() {
-
+
appUri = getAppUri();
console = new Console(RootPanel.get("itmtk-loki"));
}
}
-
+
private native String getAppUri()/*-{
- return $wnd.itmtk.appUri;
- }-*/;
+ return $wnd.itmtk.appUri;
+ }-*/;
private void makeUidlRequest(String requestData) {
console.log("Making UIDL Request with params: " + requestData);
console.dirUIDL(change);
} catch (Exception e) {
console.log(e.getMessage());
- // TODO: dir doesn't work in any browser although it should work (works in hosted mode)
+ // TODO: dir doesn't work in any browser although it should
+ // work (works in hosted mode)
// it partially did at some part but now broken.
}
UIDL uidl = change.getChildUIDL(0);
+ uidl.getId() + ") registered yet.");
Widget window = widgetFactory.createWidget(uidl);
registerPaintable(uidl.getId(), (Paintable) window);
- ((Paintable)window).updateFromUIDL(uidl, this);
+ ((Paintable) window).updateFromUIDL(uidl, this);
-
- // TODO We should also handle other windows
+ // TODO We should also handle other windows
RootPanel.get("itmtk-ajax-window").add(window);
}
}
long prosessingTime = (new Date().getTime()) - start.getTime();
- console.log(" Processing time was " + String.valueOf(prosessingTime) + "ms for "+jsonText.length()+" characters of JSON");
+ console.log(" Processing time was " + String.valueOf(prosessingTime)
+ + "ms for " + jsonText.length() + " characters of JSON");
}
public Paintable getPaintable(String id) {
return (Paintable) paintables.get(id);
}
-/*
- public Widget createWidgetFromUIDL(UIDL uidlForChild) {
- Widget w = widgetFactory.createWidget(uidlForChild);
- registerPaintable(uidlForChild.getId(), (Paintable) w);
- ((Paintable)w).updateFromUIDL(uidlForChild, this);
- return w;
- }
-*/
private void addVariableToQueue(String paintableId, String variableName,
String encodedValue, boolean immediate) {
addVariableToQueue(paintableId, variableName, newValue ? "true"
: "false", immediate);
}
- public void updateVariable(String paintableId, String variableName, Object[] values, boolean immediate) {
+
+ public void updateVariable(String paintableId, String variableName,
+ Object[] values, boolean immediate) {
StringBuffer buf = new StringBuffer();
for (int i = 0; i < values.length; i++) {
- if(i > 0)
+ if (i > 0)
buf.append(",");
buf.append(escapeString(values[i].toString()));
}
- addVariableToQueue("array:" + paintableId, variableName, buf.toString(), immediate);
+ addVariableToQueue("array:" + paintableId, variableName,
+ buf.toString(), immediate);
}
-
public WidgetFactory getWidgetFactory() {
return widgetFactory;
}
public void setWidgetFactory(WidgetFactory widgetFactory) {
this.widgetFactory = widgetFactory;
}
-
+
public static Layout getParentLayout(Widget component) {
Widget parent = component.getParent();
- while (parent != null && !(parent instanceof Layout)) parent = parent.getParent();
- if (parent != null && ((Layout)parent).hasChildComponent(component))
+ while (parent != null && !(parent instanceof Layout))
+ parent = parent.getParent();
+ if (parent != null && ((Layout) parent).hasChildComponent(component))
return (Layout) parent;
return null;
}
- public boolean replaceComponentWithCorrectImplementation(Widget currentWidget, UIDL uidl) {
- if (widgetFactory.isCorrectImplementation(currentWidget, uidl)) return false;
- Layout parent = getParentLayout(currentWidget);
- if (parent == null) return false;
+ /**
+ * Ensure that correct implementation is used for the component.
+ *
+ * The implementation of a component depends on many properties, including
+ * styles, component features, etc. Sometimes the user changes those
+ * properties after the component has been created. Calling this method in
+ * the beginning of your updateFromUIDL -method automatically replaces your
+ * component with more appropriate if the requested implementation changes.
+ *
+ * @param currentWidget
+ * Current widget that might need replacement
+ * @param uidl
+ * UIDL to be painted
+ * @return Returns true
+ */
+ public boolean updateComponent(Widget component, UIDL uidl,
+ boolean manageCaption) {
+
+ if (manageCaption) {
+ Layout parent = getParentLayout(component);
+ if (parent != null)
+ parent.updateCaption(component, uidl);
+ }
+
+ boolean visible = !uidl.getBooleanAttribute("invisible");
+ component.setVisible(visible);
+ if (!visible) return true;
+
+ if (widgetFactory.isCorrectImplementation(component, uidl))
+ return false;
+ Layout parent = getParentLayout(component);
+ if (parent == null)
+ return false;
Widget w = widgetFactory.createWidget(uidl);
registerPaintable(uidl.getId(), (Paintable) w);
- parent.replaceChildComponent(currentWidget, w);
- ((Paintable)w).updateFromUIDL(uidl, this);
+ parent.replaceChildComponent(component, w);
+ ((Paintable) w).updateFromUIDL(uidl, this);
return true;
}
- public void delegateCaptionToParent(Widget component, UIDL uidl) {
- Layout parent = getParentLayout(component);
- if (parent != null) parent.updateCaption(component, uidl);
- }
-
+
+ /**
+ * Get either existing or new widget for given UIDL.
+ *
+ * If corresponding paintable has been previously painted, return it.
+ * Otherwise create and register a new widget from UIDL. Caller must update
+ * the returned widget from UIDL after it has been connected to parent.
+ *
+ * @param uidl
+ * UIDL to create widget from.
+ * @return Either existing or new widget corresponding to UIDL.
+ */
public Widget getWidget(UIDL uidl) {
String id = uidl.getId();
Widget w = (Widget) getPaintable(id);
- if (w != null) return w;
+ if (w != null)
+ return w;
w = widgetFactory.createWidget(uidl);
- registerPaintable(id, (Paintable)w);
+ registerPaintable(id, (Paintable) w);
return w;
}
projects / vaadin-framework.git / commitdiff