Skip to content

Commit

Permalink
Syntax cleanup
Browse files Browse the repository at this point in the history
  • Loading branch information
@zoonman
zoonman committed Nov 11, 2017
1 parent a97074a commit ba619a9
Show file tree
Hide file tree
Showing 2 changed files with 191 additions and 169 deletions.
358 changes: 190 additions & 168 deletions combobox.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -7,173 +7,195 @@
BSD License
*/
ComboBox = function (object_name) {
// Edit element cache
this.edit = document.getElementById(object_name);
// Items Container
var ddl = document.getElementById(object_name).parentNode.getElementsByTagName('DIV');
this.dropdownlist = ddl[0];
// Current Item
this.currentitem = null;
// Current Item Index
this.currentitemindex = null;
// Visible Items Count
this.visiblecount = 0;
// Closure Object
var parobject = this;
// Picker
var pick = document.getElementById(object_name).parentNode.getElementsByTagName('SPAN');
pick[0].onclick =function () {
parobject.edit.focus();
};
// Show Items when edit get focus
this.edit.onfocus = function () {
parobject.dropdownlist.style.display = 'block';
};
// Hide Items when edit lost focus
this.edit.onblur = function () {
if(allowLoose)
setTimeout(function () {parobject.dropdownlist.style.display = 'none';}, 150);
};
var allowLoose=true;
// IE fix
parobject.dropdownlist.onmousedown = function(event) {
allowLoose = false;
ComboBox = function(object_name) {
// Edit element cache
this.edit = document.getElementById(object_name);
// Items Container
var ddl = document.getElementById(object_name)
.parentNode
.getElementsByTagName('DIV');
this.dropdownlist = ddl[0];
// Current Item
this.currentitem = null;
// Current Item Index
this.currentitemindex = null;
// Visible Items Count
this.visiblecount = 0;
// Closure Object
var parobject = this;
// Picker
var pick = document.getElementById(object_name)
.parentNode
.getElementsByTagName('SPAN');
pick[0].onclick = function() {
parobject.edit.focus();
};
// Show Items when edit get focus
this.edit.onfocus = function() {
parobject.dropdownlist.style.display = 'block';
};
// Hide Items when edit lost focus
this.edit.onblur = function() {
if (allowLoose) {
setTimeout(function() {
parobject.dropdownlist.style.display = 'none';
},
150
);
}
};
var allowLoose = true;
// IE fix
parobject.dropdownlist.onmousedown = function(event) {
allowLoose = false;
return false;
}
parobject.dropdownlist.onmouseup = function(event) {
setTimeout(function () {allowLoose = true;}, 150);
};
parobject.dropdownlist.onmouseup = function(event) {
setTimeout(function() {
allowLoose = true;
}, 150);
return false;
}
// Get Items
this.listitems = this.dropdownlist.getElementsByTagName('A');
for (var i=0;i < this.listitems.length; i++) {
var t = i;
// Binding Click Event
this.listitems[i].onclick = function () {
var upv = this.innerHTML;
upv = upv.replace(/\<b\>/ig, '');
upv = upv.replace(/\<\/b\>/ig, '');
parobject.edit.value = upv;
parobject.dropdownlist.style.display = 'none';
return false;
}
// Binding OnMouseOver Event
this.listitems[i].onmouseover = function (e) {
for (var i=0;i < parobject.listitems.length; i++) {
if (this == parobject.listitems[i]) {
if (parobject.currentitem) {
parobject.currentitem.className = parobject.currentitem.className.replace(/light/g, '')
}
parobject.currentitem = parobject.listitems[i];
parobject.currentitemindex = i;
parobject.currentitem.className += ' light';
}
}
}
};
// Binding OnKeyDown Event
this.edit.onkeydown = function (e) {
e = e || window.event;
// Move Selection Up
if (e.keyCode == 38) {
// up
var cn =0;
if (parobject.visiblecount > 0) {
if (parobject.visiblecount == 1) {
parobject.currentitemindex = parobject.listitems.length-1;
};
do {
parobject.currentitemindex--;
cn++;
}
while (parobject.currentitemindex>0 && parobject.listitems[parobject.currentitemindex].style.display == 'none');
if(parobject.currentitemindex < 0) parobject.currentitemindex = parobject.listitems.length-1;

if (parobject.currentitem) {
parobject.currentitem.className = parobject.currentitem.className.replace(/light/g, '')
};
parobject.currentitem = parobject.listitems[parobject.currentitemindex];
parobject.currentitem.className += ' light';
parobject.currentitem.scrollIntoView(false);
};
e.cancelBubble = true;
if (navigator.appName != 'Microsoft Internet Explorer') {
e.preventDefault();
e.stopPropagation();
}
return false;
}
// Move Selection Down
else if (e.keyCode == 40){
// down
var ic=0;
if (parobject.visiblecount > 0) {
do {
parobject.currentitemindex++;
}
while (parobject.currentitemindex < parobject.listitems.length && parobject.listitems[parobject.currentitemindex].style.display == 'none');
if(parobject.currentitemindex >= parobject.listitems.length) parobject.currentitemindex = 0;

if (parobject.currentitem) {
parobject.currentitem.className = parobject.currentitem.className.replace(/light/g, '')
}
parobject.currentitem = parobject.listitems[parobject.currentitemindex];
parobject.currentitem.className += ' light';
parobject.currentitem.scrollIntoView(false);
}
e.cancelBubble = true;
if (navigator.appName != 'Microsoft Internet Explorer') {
e.preventDefault();
e.stopPropagation();
}
return false;
}

};
this.edit.onkeyup = function (e) {
e = e || window.event;
if (e.keyCode == 13) {
// enter
if (parobject.visiblecount != 0) {
var upv = parobject.currentitem.innerHTML;
upv = upv .replace(/\<b\>/ig, '');
upv = upv .replace(/\<\/b\>/ig, '');
parobject.edit.value = upv;
};
parobject.dropdownlist.style.display = 'none';
e.cancelBubble = true;
return false;
}
else {
parobject.dropdownlist.style.display = 'block';
parobject.visiblecount = 0;
if (parobject.edit.value == '') {
for (var i=0;i < parobject.listitems.length; i++) {
parobject.listitems[i].style.display = 'block';
parobject.visiblecount++;
var pv = parobject.listitems[i].innerHTML;
pv = pv.replace(/\<b\>/ig, '');
parobject.listitems[i].innerHTML = pv.replace(/\<\/b\>/ig, '');
}
}
else {
var re = new RegExp( '('+parobject.edit.value +')',"i");
for (var i=0;i < parobject.listitems.length; i++) {
var pv = parobject.listitems[i].innerHTML;
pv = pv.replace(/\<b\>/ig, '');
pv = pv.replace(/\<\/b\>/ig, '');
if ( re.test(pv) ) {
parobject.listitems[i].style.display = 'block';
parobject.visiblecount++;
parobject.listitems[i].innerHTML = pv.replace(re, '<b>$1</b>');
}
else {
parobject.listitems[i].style.display = 'none';
}
}
}
}
}

}
};
// Get Items
this.listitems = this.dropdownlist.getElementsByTagName('A');
for (var i = 0; i < this.listitems.length; i++) {
var t = i;
// Binding Click Event
this.listitems[i].onclick = function() {
var upv = this.innerHTML;
upv = upv.replace(/\<b\>/ig, '');
upv = upv.replace(/\<\/b\>/ig, '');
parobject.edit.value = upv;
parobject.dropdownlist.style.display = 'none';
return false;
};
// Binding OnMouseOver Event
this.listitems[i].onmouseover = function(e) {
for (var i = 0; i < parobject.listitems.length; i++) {
if (this === parobject.listitems[i]) {
if (parobject.currentitem) {
parobject.currentitem.className = parobject.currentitem.className.replace(
/light/g,
''
);
}
parobject.currentitem = parobject.listitems[i];
parobject.currentitemindex = i;
parobject.currentitem.className += ' light';
}
}
}
}
// Binding OnKeyDown Event
this.edit.onkeydown = function(e) {
e = e || window.event;
// Move Selection Up
if (e.keyCode === 38) {
// up
var cn = 0;
if (parobject.visiblecount > 0) {
if (parobject.visiblecount === 1) {
parobject.currentitemindex = parobject.listitems.length - 1;
}
do {
parobject.currentitemindex--;
cn++;
}
while (parobject.currentitemindex > 0 && parobject.listitems[parobject.currentitemindex].style.display === 'none');
if (parobject.currentitemindex < 0){
parobject.currentitemindex = parobject.listitems.length - 1;
}

if (parobject.currentitem) {
parobject.currentitem.className = parobject.currentitem.className.replace(
/light/g,
''
)
}
parobject.currentitem = parobject.listitems[parobject.currentitemindex];
parobject.currentitem.className += ' light';
parobject.currentitem.scrollIntoView(false);
}
e.cancelBubble = true;
if (navigator.appName !== 'Microsoft Internet Explorer') {
e.preventDefault();
e.stopPropagation();
}
return false;
}
// Move Selection Down
else if (e.keyCode === 40) {
// down
var ic = 0;
if (parobject.visiblecount > 0) {
do {
parobject.currentitemindex++;
}
while (parobject.currentitemindex < parobject.listitems.length && parobject.listitems[parobject.currentitemindex].style.display === 'none');
if (parobject.currentitemindex >= parobject.listitems.length){parobject.currentitemindex = 0;
}

if (parobject.currentitem) {
parobject.currentitem.className = parobject.currentitem.className.replace(
/light/g,
''
)
}
parobject.currentitem = parobject.listitems[parobject.currentitemindex];
parobject.currentitem.className += ' light';
parobject.currentitem.scrollIntoView(false);
}
e.cancelBubble = true;
if (navigator.appName != 'Microsoft Internet Explorer') {
e.preventDefault();
e.stopPropagation();
}
return false;
}

};
this.edit.onkeyup = function(e) {
e = e || window.event;
if (e.keyCode === 13) {
// enter
if (parobject.visiblecount != 0) {
var upv = parobject.currentitem.innerHTML;
upv = upv.replace(/\<b\>/ig, '');
upv = upv.replace(/\<\/b\>/ig, '');
parobject.edit.value = upv;
}
parobject.dropdownlist.style.display = 'none';
e.cancelBubble = true;
return false;
}
else {
parobject.dropdownlist.style.display = 'block';
parobject.visiblecount = 0;
if (parobject.edit.value === '') {
for (var i = 0; i < parobject.listitems.length; i++) {
parobject.listitems[i].style.display = 'block';
parobject.visiblecount++;
var pv = parobject.listitems[i].innerHTML;
pv = pv.replace(/\<b\>/ig, '');
parobject.listitems[i].innerHTML = pv.replace(/\<\/b\>/ig, '');
}
}
else {
var re = new RegExp('(' + parobject.edit.value + ')', "i");
for (var i = 0; i < parobject.listitems.length; i++) {
var pv = parobject.listitems[i].innerHTML;
pv = pv.replace(/\<b\>/ig, '');
pv = pv.replace(/\<\/b\>/ig, '');
if (re.test(pv)) {
parobject.listitems[i].style.display = 'block';
parobject.visiblecount++;
parobject.listitems[i].innerHTML = pv.replace(re, '<b>$1</b>');
}
else {
parobject.listitems[i].style.display = 'none';
}
}
}
}
}
};
2 changes: 1 addition & 1 deletion demo.html
View file
Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@
<title>Combobox</title>
<style>

div.combobox {font-family: Tahoma;font-size: 12px}
div.combobox {font-family: Tahoma, sans-serif;font-size: 12px}
div.combobox {position: relative;zoom: 1}
div.combobox div.dropdownlist {display: none;width: 200px;
border: solid 1px #000;background-color: #fff;
Expand Down

0 comments on commit ba619a9

Please sign in to comment.