jsf自定义toolbar组件

package com.cfcc.jaf.webx.component.toolbar;




import javax.faces.application.Application;


import javax.faces.component.UIComponent;


import javax.faces.context.FacesContext;


import javax.faces.el.ValueBinding;


import javax.faces.webapp.UIComponentTag;






/** *//**


 * @author qinjinwei


 * 


 */




public class UIToolBarTag extends UIComponentTag ...{




       private String size;


       private String value;






       public String getComponentType() ...{


              return "com.cfcc.jaf.webx.component.toolbar.UIToolBar";


       }






       public String getRendererType() ...{


              return null;


       }






       public void setProperties(UIComponent component) ...{


              super.setProperties(component);


              setStringProperty(component, "value", value);


              setStringProperty(component, "size", size);


       }




       private void setStringProperty(UIComponent component, String attrName,




                     String attrValue) ...{


              if (attrValue == null)


                     return;




              if (isValueReference(attrValue)) ...{


                     FacesContext context = FacesContext.getCurrentInstance();


                     Application application = context.getApplication();


                     ValueBinding binding = application.createValueBinding(attrValue);


                     component.setValueBinding(attrName, binding);




              } else ...{


                     component.getAttributes().put(attrName, attrValue);


              }


       }






       public void release() ...{


              super.release();


              value = null;


              size  = null;


       }






       public String getValue() ...{


              return value;


       }






       public void setValue(String value) ...{


              this.value = value;


       }






       public String getSize() ...{


              return size;


       }






       public void setSize(String size) ...{


              this.size = size;


       }




}






package com.cfcc.jaf.webx.component.toolbar;




import java.io.IOException;


import java.util.List;


import java.util.Map;




import javax.faces.component.UICommand;


import javax.faces.context.FacesContext;


import javax.faces.context.ResponseWriter;


import javax.faces.el.MethodBinding;


import javax.faces.event.ActionEvent;




import org.apache.myfaces.custom.navmenu.NavigationMenuUtils;


import org.apache.myfaces.renderkit.html.util.AddResource;


import org.apache.myfaces.renderkit.html.util.AddResourceFactory;


import org.apache.myfaces.shared_tomahawk.el.SimpleActionMethodBinding;


import org.apache.myfaces.shared_tomahawk.renderkit.RendererUtils;


import org.apache.myfaces.shared_tomahawk.renderkit.html.util.FormInfo;




import com.cfcc.jaf.webx.faces.ToolBarItem;






/** *//**


 * @author qinjinwei


 * 


 */




public class UIToolBar extends UICommand ...{




       public static final String COMPONENT_TYPE = "com.cfcc.jaf.webx.component.toolbar.UIToolBar";




       public static final String COMPONENT_FAMILY = "javax.faces.Command";




       private static final String ToolBar_Index = "toolbar_index";




       private static String size = null;




       private static int width = 0;




       private static int height = 0;






       public UIToolBar() ...{


              setRendererType(null);


       }






       public String getFamily() ...{


              return COMPONENT_FAMILY;


       }






       public void encodeBegin(FacesContext context) throws IOException ...{




              AddResource addResource = AddResourceFactory.getInstance(context);


              addResource.addJavaScriptAtPosition(context, AddResource.HEADER_BEGIN,


                            "js/toolbar.js");




              ResponseWriter writer = context.getResponseWriter();


              String clientId = getClientId(context);




              FormInfo parentFormInfo = RendererUtils.findNestingForm(this, context);


              String name = parentFormInfo.getFormName();




              Object obj = getValue();


              List list = (List) obj;




              size = findSize();




              if (size != null && size.indexOf(",") > -1) ...{


                     String[] ss = size.split(",");


                     width = Integer.parseInt(ss[0]);


                     height = Integer.parseInt(ss[1]);




              }






              if (list != null && list.size() > 0) ...{


                     writer.write("" + clientId + "">");




                     for (int i = 0; i < list.size(); i++) ...{




                            ToolBarItem element = (ToolBarItem) list.get(i);




                            writeItem(writer, element, name, i);




                     }


                     writer.write(" ");


              }




              writer.write("");


              writer.write(ToolBar_Index);


              writer.write("" />");




       }






       public String findSize() ...{


              if (size != null)


                     return size;




              size = (String) this.getAttributes().get("size");


              return size;


       }




       private void writeItem(ResponseWriter writer, ToolBarItem element,




                     String clientId, int index) throws IOException ...{




              writer.write("");


              writer.write("onmouseup="jump(" + "'" + clientId + "'," + index


                            + ");" ");




              writer.write("onmouseover="mover(this);" ");




              writer.write("onmouseout="mout(this);" ");




              writer.write(" class="toolbarout" ");


              


              writer.write(" >");




              writer.startElement("image", this);


              writer.writeAttribute("id", clientId + "_" + index, null);


              writer.writeAttribute("src", element.getImage(), null);


              writer.writeAttribute("alt", element.getLabel(), null);






              if (width > 0) ...{


                     writer.writeAttribute("width", width + "", null);


              }






              if (height > 0) ...{


                     writer.writeAttribute("height", height + "", null);


              }




              writer.endElement("image");


              writer.write("");


              writer.write(" ");




       }






       public void decode(FacesContext context) ...{




              Map parameter = context.getExternalContext().getRequestParameterMap();


              String si = (String) parameter.get(ToolBar_Index);


              if (si == null || si.equals(""))


                     return;




              int i = Integer.parseInt(si);




              Object obj = getValue();


              List list = (List) obj;


              ToolBarItem element = (ToolBarItem) list.get(i);




              // ********************




              String action = element.getAction();




              MethodBinding mb;




              if (NavigationMenuUtils.isValueReference(action)) ...{


                     mb = context.getApplication().createMethodBinding(action, null);




              } else ...{


                     mb = new SimpleActionMethodBinding(action);


              }


              this.setAction(mb);




              this.queueEvent(new ActionEvent(this));




              // ************************




       }






       public Object saveState(FacesContext context) ...{


              Object values[] = new Object[1];


              values[0] = super.saveState(context);


              return values;


       }






       public void restoreState(FacesContext context, Object state) ...{


              Object values[] = (Object[]) state;


              super.restoreState(context, values[0]);




       }




}




 
function jump(form,index)
{
                 var dummyForm = document.forms[form];
        dummyForm.elements['toolbar_index'].value = index;
        dummyForm.submit();

}

function mover(obj)
{
     obj.className = "toolbarover";
}

function mout(obj)
{
     obj.className = "toolbarout";
}
 

.toolbarover0 {      FILTER: alpha(opacity =     100, style =     3, finishopacity =     0)            ;      background-color: BLACK;      cursor: hand; } .toolbarout {      border: 1px solid white;      FILTER: alpha(opacity =     100, style =     3, finishopacity =     0) gray            ;      background-color: WHITE;      cursor: hand; } .toolbarover2 {      FILTER: flipv;      background-color: #EFEBDE;      cursor: hand; } .toolbarover {      border: 1px dashed black;      background-color: #BLACK;      cursor: hand; } .toolbarout1 {      border: 1px solid white;      FILTER: alpha(opacity =     100, style =     3, finishopacity =     0)            ;      background-color: WHITE;      cursor: hand; }

 
 
           toolbar
           com.cfcc.jaf.webx.component.toolbar.UIToolBarTag
           empty
           
                 size
           
           
                 value
                 true
           
     

 

     
           
                 com.cfcc.jaf.webx.component.toolbar.UIToolBar
           
           
                 com.cfcc.jaf.webx.component.toolbar.UIToolBar
           
     

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