JavaScript Menu Methods - Quick Reference Guide
Here is a list of methods you can use for modifying and manipulating your menus.You will need some knowledge of programming to be able to get the most out of these functions but it's also a good place to start learning JavaScript and DHTML.
The following methods are built into the standard menu code by default
Object_Ref gmobj ( string Object_ID )
gmobj() returns an object reference to ANY HTML object. This method is used by the menu system to return a reference to a menu.Valid syntax is menuObject = gmobj("menu1");
array gpos ( Object_Ref )
gpos returns the dimensions and position of a menu. Data is returned in an Array with the elements as follows:- array_element[0] = Top
- array_element[1] = Left
- array_element[2] = Height
- array_element[3] = Width
spos( Object_Ref, [integer top], [integer left], [integer height], [integer width] )
spos Sets the position and dimensions of an HTML object. You must retrieve a reference to a HTML Object or Menu in order to pass this information.All position/dimension values are in pixels
syntax is spos ( Object reference, top position, left position, height, width )
Entering null will keep the current value, for example spos(gmobj("menuname"),null,null,null,200) will set the width to 200 pixels but leave the other values as they are.
null is also, the default value so spos(gmobj("menuname"),200) will set the top position of the menu to 200 but leave the other values as they were.
menuDisplay ( Object_Ref , bool _show )
menuDisplay displays a menu. You need to have a reference to a menu or other HTML object and show/hide is boolean value:Syntax is menuDisplay(gmobj("menuname"),1) to show and menuDisplay(gmobj("menuname"),0) to hide.
closeAllMenus ()
closeAllMenus will hide ALL menus, even if they are visible but moved out of view. This command is used to clear the screen of unwanted menus.integer getMenuByName ( string Menu_Name )
getMenuByName will retrieve a menu number by a given menu name.Syntax is menuNumber = getMenuByName("main menu");
If "main menu" is the first menu in the data file, this will be represented as 0. This method is not case sensitive.
integer getMenuByItem ( integer Item_Reference )
getMenuByItem retrieves the menu number containing the item queried oninteger getParentMenuByItem ( integer Item_Reference )
getParentMenuByItem retrieves the parent menu by declaring a menu item referenceinteger getParentItemByItem ( integer Item_Reference )
getParentItemByItem retrieves the parent menuitem by declaring a menu itemitemOn ( integer Item_Reference )
itemOn triggers the declared menu item as though the user had moved their mouse over the menu item with onMouseOver.itemOff ( integer Item_Reference )
itemOff triggers the declared menu item as though the user had moved their mouse off the menu item with onMouseOut.popup ( string Menu_Name, [position 1=Mouse Coords or imageName by image location], [integer Top_Offset], [integer Left_Offset], [Boolean Disable_Collision_Detection], [Integer Open_Menu_Delay] )
popup displays a sub menu by name in several locations. If just the menu name is declared as in popup("menuname"); this will display the menu at the top and left positions specified in the data file. If a 1 is specified as the second parameter the sub menu appears at the mouseX and mouseY coordinates.If the menu needs to be positioned in relating to an image, you can add this image name as the second parameter. like this popup("menuname","imagename");
Top and Left offsets are permitted to fine tune the positioning. These are entered as pixel values to the 3rd and 4th parameters, like this: popup("menuname","imagename",10,-10); this will place the sub menu at the images left bottom corner but adjust its top position down 10 [10] pixels and shift it to the left by 10 [-10] pixels
In order to add a delay to opening popup Menus, you need to specify this delay (in milliseconds) to the 6th Parameter. An example is popup('menuname',null,null,null,null,500)
popdown ()
popdown is very similar to closeAllMenus but it has additional code for handling popup menus.
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