Cutting and Pasting under Script Control

  

/*
JavaScript Bible, Fourth Edition
by Danny Goodman 

John Wiley & Sons CopyRight 2001
*/

<HTML>
<HEAD>
<TITLE>onBeforeCut and onCut Event Handlers</TITLE>
<STYLE TYPE="text/css">
TD {text-align:center}
TH {text-decoration:underline}
.blanks {text-decoration:underline}
</STYLE>
<SCRIPT LANGUAGE="JavaScript">
function selectWhole() {
    var obj = window.event.srcElement
    var range = document.body.createTextRange()
    range.moveToElementText(obj)
    range.select()
    event.returnValue = false
}
function handleCut() {
    var rng = document.selection.createRange()
    clipboardData.setData("Text",rng.text)
    var elem = event.srcElement
    elem.innerText = ""
    event.returnValue = false
}
function handlePaste() {
    var elem = window.event.srcElement
    if (elem.className == "blanks") {
        elem.innerHTML = clipboardData.getData("Text")
    }
    event.returnValue = false
}
function handleBeforePaste() {
    var elem = window.event.srcElement
    if (elem.className == "blanks") {
        event.returnValue = false
    }
}
</SCRIPT>
</HEAD>
<BODY>
<H1>onBeforeCut and onCut Event Handlers</H1>
<HR>
<P>Your goal is to cut and paste one noun and one
adjective from the following table into the blanks
of the sentence. Select a word from the table and
use the Edit or context menu to cut it from the table.
Select one or more spaces of the blanks in the
sentence and choose Paste to replace the blank with 
the clipboard contents.</P>

<TABLE CELLPADDING=5 onBeforeCut="selectWhole()" onCut="handleCut()" >
    <TR><TH>Nouns</TH><TH>Adjectives</TH></TR>
    <TR><TD>truck</TD><TD>round</TD></TR>
    <TR><TD>doll</TD><TD>red</TD></TR>
    <TR><TD>ball</TD><TD>pretty</TD></TR>
</TABLE>
<P ID="myP" onBeforePaste="handleBeforePaste()" onPaste="handlePaste()">
Pat said, "Oh my, the <SPAN ID="blank1" CLASS="blanks">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN> 
is so <SPAN ID="blank2" CLASS="blanks">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</SPAN>!"</P>
<BUTTON onClick="location.reload()">Reset</BUTTON>
</BODY>
</HTML>

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Cutting and Pasting under Script Control : Mouse Event « Event « JavaScript DHTML

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