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("<table id="" + clientId + ""><tr> ");
                     for (int i = 0; i < list.size(); i++) ...{

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

                            writeItem(writer, element, name, i);

                     }
                     writer.write(" </tr></table>");
              }

              writer.write("<input type="hidden" name="");
              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("<td ");
              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("</td>");
              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; }

 

 <tag>
           <name>toolbar</name>
           <tag-class>com.cfcc.jaf.webx.component.toolbar.UIToolBarTag</tag-class>
           <body-content>empty</body-content>
           <attribute>
                 <name>size</name>
           </attribute>
           <attribute>
                 <name>value</name>
                 <required>true</required>
           </attribute>
     </tag>

 

<!-- added by qinjinwei,toolbar -->
     <component>
           <component-type>
                 com.cfcc.jaf.webx.component.toolbar.UIToolBar
           </component-type>
           <component-class>
                 com.cfcc.jaf.webx.component.toolbar.UIToolBar
           </component-class>
     </component>

Trackback: http://tb.blog.csdn.net/TrackBack.aspx?PostId=1781342