MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Specifikace stáhnout pdf (Strana 199)

100

101

A simple menu command example 199

function canAcceptCommand()

{

var selarray;

if (arguments.length != 1) return false;

var bResult = false;

var whatToDo = arguments[0];

if (whatToDo == "undo")

{

bResult = dw.canUndo();

}

else if (whatToDo == "redo")

{

bResult = dw.canRedo();

}

return bResult;

}

receiveArguments()

Dreamweaver calls the receiveArguments() function to process any arguments that you

defined for the

menuitem tag. For the Undo and Redo menu items, the receiveArguments()

function calls either the

dw.undo() function or the dw.redo() function, depending on

whether the value of the argument,

arguments[0], is "undo" or "redo". The dw.undo()

function undoes the previous step that the user performed in the document window, dialog

box, or panel that has focus. The

dw.redo() function redoes the last operation that was

undone.

The

receiveArguments() function looks like the following example code:

function receiveArguments()

{

if (arguments.length != 1) return;

var whatToDo = arguments[0];

if (whatToDo == "undo")

{

dw.undo();

}

else if (whatToDo == "redo")

{

dw.redo();

}

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MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Specifikace Strana 199

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