JavaScript Examples Bible - UserWorks Technologies

306
JavaScript Examples Bible: The Essential Companion to JavaScript Bible
}
Listing 19-11 (continued)
}
TextRange.findText()
}
rng.scrollIntoView()
if (confirm(“Replace?”)) {
rng.text = replString
pushUndoNew(rng, srchString, replString)
}
rng.collapse(false)
// unprompted search and replace with counter
function sAndRCount(form) {
var srchString = form.searchString.value
var replString = form.replaceString.value
var i
if (srchString) {
var args = getArgs(form)
rng = document.body.createTextRange()
rng.moveToElementText(rights)
for (i = 0; rng.findText(srchString, 10000, args); i++) {
rng.text = replString
pushUndoNew(rng, srchString, replString)
rng.collapse(false)
}
if (i > 1) {
clearUndoBuffer()
}
}
document.all.counter.innerText = i
}
// BEGIN UNDO BUFFER CODE
// buffer global variables
var newRanges = new Array()
var origSearchString
// store original search string and bookmarks of each replaced range
function pushUndoNew(rng, srchString, replString) {
origSearchString = srchString
rng.moveStart(“character”, -replString.length)
newRanges[newRanges.length] = rng.getBookmark()
}
// empty array and search string global
function clearUndoBuffer() {
document.all.counter.innerText = “0”
origSearchString = “”
newRanges.length = 0
}