Examples of org.xulfaces.bridge.Bridge

org.xulfaces.bridge.Bridge

Defines a bridge between server and client side.

It contains a set of {@link Command}.

Commands are executed by the client side in order to update the DOM.

There is only one Bridge objet per session.

The current bridge object is serialized in current xul page via a set of tag (xfc namespace).

You can get the current Bridge instance with XulUtils.getBridge() method.
@author kito31 @version $Id: Bridge.java,v 1.3 2005/11/06 17:54:59 kito31 Exp $

  }


  public static Bridge getBridge(){
    FacesContext facesContext = FacesContext.getCurrentInstance();
    ValueBinding valueBinding = facesContext.getApplication().createValueBinding("#{bridge}");
    Bridge bridge = (Bridge) valueBinding.getValue(facesContext);
    return bridge;
  }

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      throws IOException {
    super.encodeBegin(facesContext, component);
    if (component instanceof EditableValueHolder) {
      EditableValueHolder editableValueHolder = (EditableValueHolder) component;
      if (!editableValueHolder.isValid()) {
        Bridge bridge = XulUtils.getBridge();
        Zone zone = new Zone(component.getClientId(facesContext));
        bridge.addCommand(new NotValidCommand(zone));
      }
    }
  }

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  private void renderXFC(FacesContext facesContext,
      BridgeComponent bridgeComponent) throws IOException {


    ResponseWriter responseWriter = facesContext.getResponseWriter();
    Bridge bridge = XulUtils.getBridge();
    responseWriter.startElement("xfc:bridge", bridgeComponent);
    for (Command command : bridge.getCommands()) {
      StringBuffer stringBuffer = new StringBuffer("xfc:");
      stringBuffer.append(command.getName());


      if (log.isDebugEnabled()) {
        log.debug("Command " + stringBuffer.toString() + " on "
            + command.getTarget());
      }


      responseWriter.startElement(stringBuffer.toString(),
          bridgeComponent);
      for (Parameter parameter : command.getParameters()) {


        if (log.isDebugEnabled()) {
          log.debug("parameter " + parameter.getName() + " value "
              + parameter.getValue());
        }


        responseWriter.writeAttribute(parameter.getName(), parameter
            .getValue().toString(), null);
      }
      responseWriter.endElement(stringBuffer.toString());
    }


    facesContext.getApplication().getViewHandler().writeState(facesContext);


    responseWriter.endElement("xfc:bridge");
    bridge.getCommands().clear();
  }

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    // the bridge for client side update. The parent will be updated and then all its children.
    if(!isParentSmoothlyUpdateable(component)){    
      if (component instanceof SmoothlyUpdateable) {
        SmoothlyUpdateable smoothlyUpdateable = (SmoothlyUpdateable) component;
        if (smoothlyUpdateable.needsUpdate()) {
          Bridge bridge = XulUtils.getBridge();
          Zone zone = new Zone(component.getClientId(facesContext));
          if (log.isDebugEnabled()) {
            log.debug("Add UpdateZoneCommand for DOM zone " + zone.getNodeId());
          }
          
          bridge.addCommand(new UpdateZoneCommand(zone,buildTargetName(component)));
        }
      }
    }
  }

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    responseWriter.writeAttribute("id",treeRowComponent.getNodeId(), "id");
    if(!isParentSmoothlyUpdateable(component)){
      if (component instanceof SmoothlyUpdateable) {
        SmoothlyUpdateable smoothlyUpdateable = (SmoothlyUpdateable) component;
        if (smoothlyUpdateable.needsUpdate()) {
          Bridge bridge = XulUtils.getBridge();
          Zone zone = new Zone(treeRowComponent.getNodeId());
          bridge.addCommand(new UpdateZoneCommand(zone,buildTargetName(component)));
        }
      }
    }
    
    renderAttributes(facesContext, component, (List) component

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        if(!isParentSmoothlyUpdateable(component)){
          if (treeItemComponent instanceof SmoothlyUpdateable) {
          SmoothlyUpdateable smoothlyUpdateable = (SmoothlyUpdateable) treeItemComponent;
          if (smoothlyUpdateable.needsUpdate()) {
            Bridge bridge = XulUtils.getBridge();
            Zone zone = new Zone(nodeId);
            bridge.addCommand(new UpdateZoneCommand(zone,buildTargetName(component)));
          }
        }  
        }

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    responseWriter.startElement("tabpanels",component);
    responseWriter.writeAttribute("id",component.getClientId(facesContext), "id");
    renderAttributes(facesContext,component,(List) component.getAttributes().get("annotatedAttributes"));


    // Add command for the bridge 
    Bridge bridge = XulUtils.getBridge();
    Zone zone = new Zone(component.getClientId(facesContext));
    if (log.isDebugEnabled()) {
      log.debug("Add WatchZonePropertyCommand for <selectedIndex> to DOM zone " + zone.getNodeId());
    }    
    bridge.addCommand(new WatchZonePropertyCommand(zone,buildTargetName(component),"selectedIndex"));
  }

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Related Classes of org.xulfaces.bridge.Bridge

org.xulfaces.renderer.bridge.BridgeRenderer

org.xulfaces.renderer.input.InputRenderer

org.xulfaces.renderer.tab.TabPanelsRenderer

org.xulfaces.renderer.tree.TreeItemRenderer

org.xulfaces.renderer.tree.TreeRowRenderer

org.xulfaces.renderer.XULRenderer

org.xulfaces.utils.XulUtils

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