GUI Components JavaScript DHTML

        "http://www.w3.org/TR/html4/strict.dtd">

    
        
        Example 12: Setting Configuration Properties At Runtime
        
        
        
        
        
        
        
 
        
        
            body { margin:.5em; }
            li.yuimenuitem a em {
            
                font-style:italic;
            }
            
            li.yuimenuitem strong {
            
                font-weight:bold;
            
            }
            p em {
            
                text-decoration:underline;
            
            }
            #logs {
                position:absolute;
                bottom:0;
                right:0;
            
            }
            .example12 {
                background-color:#9c9;
            
            }
        
        
        
        
        
        
            
        
        
        
        
        
        
        
        
        
            // "load" event handler for the window
            YAHOO.example.onWindowLoad = function(p_oEvent) {
                // "config change" event handler for each MenuItem instance 
    
                function onMenuItemConfigChange(p_sType, p_aArguments, p_oMenuItem) {
    
                    var sPropertyName = p_aArguments[0][0],
                        sPropertyValue = p_aArguments[0][1];
    
                    YAHOO.log(
                        (
                        "Index: " + this.index + ", " +
                        "Group Index: " + this.groupIndex + ", " +
                        "Custom Event Type: " + p_sType + ", " +                  
                        "\"" + sPropertyName + "\" Property Set To: \"" + sPropertyValue + "\""
                        ),
                        "info",
                        "example12"
                    );
                
                }
                // Create a menu
                var oMenu = new YAHOO.widget.Menu("basicmenu"),
                    // Add the MenuItem instance to the menu
    
                    aMenuItemData = [
                    
                        "MenuItem 0",
                        "MenuItem 1",
                        "MenuItem 2",
                        "MenuItem 3",
                        "MenuItem 4",
                        "MenuItem 5"
    
                    ],
    
                    nMenuItems = aMenuItemData.length,
                    
                    oMenuItem;
                
                for(var i=0; i                    oMenuItem = oMenu.addItem(aMenuItemData[i]);
                    oMenuItem.cfg.configChangedEvent.subscribe(onMenuItemConfigChange, oMenuItem, true);
                }
                oMenu.render(document.body);
    
                oMenu.show();
                // Set the MenuItem configuration properties
                oMenu.getItem(0).cfg.setProperty("selected", true);
                oMenu.getItem(1).cfg.setProperty("disabled", true);
                oMenu.getItem(2).cfg.setProperty("helptext", "Help Me!");
                oMenu.getItem(3).cfg.setProperty("emphasis", true);
                oMenu.getItem(4).cfg.setProperty("strongemphasis", true);  
                oMenu.getItem(5).cfg.setProperty("checked", true);
                
                var oLogs = document.createElement("div");
                oLogs.id = "logs";
                
                document.body.appendChild(oLogs);
                var oLogReader = new YAHOO.widget.LogReader("logs");
                
            }
            YAHOO.util.Event.addListener(window, "load", YAHOO.example.onWindowLoad);
            
        
    
    
        

Example 12: Setting Configuration Properties At Runtime


        

This example demonstrates how to set MenuItem configuration properties at runtime and listen for the changes through the "configChangedEvent."


    

           
         
  
yui.zip( 3,714 k)