/* JavaScript Bible, Fourth Edition by Danny Goodman
John Wiley & Sons CopyRight 2001 */
<HTML> <HEAD> <TITLE>User Preferences</TITLE> <SCRIPT LANGUAGE="JavaScript"> // Close the dialog function closeme() { window.close() } // Handle click of OK button function handleOK() { window.returnValue = getFormData() closeme() } // Handle click of Cancel button function handleCancel() { window.returnValue = "" closeme() } // Generic function converts form element name-value pairs // into an array function getFormData() { var form = document.prefs var returnedData = new Array() // Harvest values for each type of form element for (var i = 0; i < form.elements.length; i++) { if (form.elements[i].type == "text") { returnedData[form.elements[i].name] = form.elements[i].value } else if (form.elements[i].type.indexOf("select") != -1) { returnedData[form.elements[i].name] = form.elements[i].options[form.elements[i].selectedIndex].value } else if (form.elements[i].type == "radio") { returnedData[form.elements[i].name] = form.elements[i].value } else if (form.elements[i].type == "checkbox") { returnedData[form.elements[i].name] = form.elements[i].value } else continue } return returnedData } // Initialize by setting form elements from passed data function init() { if (window.dialogArguments) { var args = window.dialogArguments var form = document.prefs if (args["name"]) { form.name.value = args["name"] } if (args["bgColor"]) { setSelected(form.bgColor, args["bgColor"]) } if (args["textColor"]) { setSelected(form.textColor, args["textColor"]) } if (args["h1Size"]) { setSelected(form.h1Size, args["h1Size"]) } } } // Utility function to set a SELECT element to one value function setSelected(select, value) { for (var i = 0; i < select.options.length; i++) { if (select.options[i].value == value) { select.selectedIndex = i break } } return } // Utility function to accept a press of the // Enter key in the text field as a click of OK
function checkEnter() { if (window.event.keyCode == 13) { handleOK() } } </SCRIPT> </HEAD> <BODY BGCOLOR="#eeeeee" onLoad="init()"> <H2>Web Site Preferences</H2> <HR> <TABLE BORDER=0 CELLSPACING=2> <FORM NAME="prefs" onSubmit="return false"> <TR> <TD>Enter your first name:<INPUT NAME="name" TYPE="text" VALUE="" SIZE=20 onKeyDown="checkEnter()"> </TR> <TR> <TD>Select a background color: <SELECT NAME="bgColor"> <OPTION VALUE="beige">Beige <OPTION VALUE="antiquewhite">Antique White <OPTION VALUE="goldenrod">Goldenrod <OPTION VALUE="lime">Lime <OPTION VALUE="powderblue">Powder Blue <OPTION VALUE="slategray">Slate Gray </SELECT> </TR> <TR> <TD>Select a text color: <SELECT NAME="textColor"> <OPTION VALUE="black">Black <OPTION VALUE="white">White <OPTION VALUE="navy">Navy Blue <OPTION VALUE="darkorange">Dark Orange <OPTION VALUE="seagreen">Sea Green <OPTION VALUE="teal">Teal </SELECT> </TR> <TR> <TD>Select "Welcome" heading font point size: <SELECT NAME="h1Size"> <OPTION VALUE="12">12 <OPTION VALUE="14">14 <OPTION VALUE="18">18 <OPTION VALUE="24">24 <OPTION VALUE="32">32 <OPTION VALUE="48">48 </SELECT> </TR> </TABLE> </FORM> <DIV STYLE="position:absolute; left:200px; top:220px"> <BUTTON STYLE="width:80px" onClick="handleOK()">OK</BUTTON> <BUTTON STYLE="width:80px" onClick="handleCancel()">Cancel</BUTTON> </DIV> </BODY> </HTML>
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