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| var toFind = ""; // Variable that acts as keyboard buffer
var timeoutID = ""; // Process id for timer (used when stopping
// the timeout)
timeoutInterval = 250; // Milliseconds. Shorten to cause keyboard
// buffer to be cleared faster
var timeoutCtr = 0; // Initialization of timer count down
var timeoutCtrLimit = 3 ; // Number of times to allow timer to count
// down
var oControl = ""; // Maintains a global reference to the
// control that the user is working with.
function listbox_onkeypress(ctrl){
// This function is called when the user presses a key while focus is in
// the listbox. It maintains the keyboard buffer.
// Each time the user presses a key, the timer is restarted.
// First, stop the previous timer; this function will restart it.
window.clearInterval(timeoutID)
// Which control raised the event? We'll need to know which control to
// set the selection in.
// Si ctrl est valide (non nul, non undefined, on l'utilise. Sinon, on essaie window.event
oControl = (ctrl != null || typeof (ctrl) != "undefined") ? ctrl : window.event.srcElement;
var keycode = window.event.keyCode;
if(keycode >= 32 ){
//What character did the user type?
//alert("Vous avez tapé : " + keycode);
if (keycode==101 || keycode==200 || keycode==201 || keycode==202 || keycode==232 || keycode==233 || keycode=234 ){
keycode=69;} //############test à moi pour les accents...############
var c = String.fromCharCode(keycode);
c = c.toUpperCase();
// Convert it to uppercase so that comparisons don't fail
toFind += c ; // Add to the keyboard buffer
find(); // Search the listbox
timeoutID = window.setInterval("idle()", timeoutInterval);
// Restart the timer
}
}
function listbox_onblur(){
// This function is called when the user leaves the listbox.
window.clearInterval(timeoutID);
resetToFind();
}
function idle(){
// This function is called if the timeout expires. If this is the
// third (by default) time that the idle function has been called,
// it stops the timer and clears the keyboard buffer
timeoutCtr += 1
if(timeoutCtr > timeoutCtrLimit){
resetToFind();
timeoutCtr = 0;
window.clearInterval(timeoutID);
}
}
function resetToFind(){
toFind = ""
}
function find(){
// Walk through the select list looking for a match
var allOptions = document.all.item(oControl.id);
for (i=0; i < allOptions.length; i++){
// Gets the next item from the listbox
nextOptionText = allOptions(i).text.toUpperCase();
// By default, the values in the listbox and as entered by the
// user are strings. This causes a string comparison to be made,
// which is not correct for numbers (1 < 11 < 2).
// The following lines coerce numbers into an (internal) number
// format so that the subsequent comparison is done as a
// number (1 < 2 < 11).
if(!isNaN(nextOptionText) && !isNaN(toFind) ){
nextOptionText *= 1; // coerce into number
toFind *= 1;
}
// Does the next item match exactly what the user typed?
if(toFind == nextOptionText){
// OK, we can stop at this option. Set focus here
oControl.selectedIndex = i;
window.event.returnValue = false;
break;
}
// If the string does not match exactly, find which two entries
// it should be between.
if(i < allOptions.length-1){
// If we are not yet at the last listbox item, see if the
// search string comes between the current entry and the next
// one. If so, place the selection there.
lookAheadOptionText = allOptions(i+1).text.toUpperCase() ;
if( (toFind > nextOptionText) &&
(toFind < lookAheadOptionText) ){
oControl.selectedIndex = i+1;
window.event.cancelBubble = true;
window.event.returnValue = false;
break;
} // if
} // if
else{
// If we are at the end of the entries and the search string
// is still higher than the entries, select the last entry
if(toFind > nextOptionText){
oControl.selectedIndex = allOptions.length-1 // stick it
// at the end
window.event.cancelBubble = true;
window.event.returnValue = false;
break;
} // if
} // else
} // for
} // function |
[VB.Net] Comment faire pour simuler l'autocomplete sur un DropDownList ?
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