302 lines
6.8 KiB
JavaScript
302 lines
6.8 KiB
JavaScript
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/*
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LuCI - Lua Configuration Interface
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Copyright 2008 Steven Barth <steven@midlink.org>
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Copyright 2008-2009 Jo-Philipp Wich <xm@subsignal.org>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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$Id$
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*/
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var cbi_d = [];
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var cbi_t = [];
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var cbi_c = [];
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function cbi_d_add(field, dep, next) {
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var obj = document.getElementById(field);
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if (obj) {
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var entry
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for (var i=0; i<cbi_d.length; i++) {
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if (cbi_d[i].id == field) {
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entry = cbi_d[i];
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break;
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}
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}
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if (!entry) {
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entry = {
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"node": obj,
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"id": field,
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"parent": obj.parentNode.id,
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"next": next,
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"deps": []
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};
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cbi_d.unshift(entry);
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}
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entry.deps.push(dep)
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}
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}
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function cbi_d_checkvalue(target, ref) {
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var t = document.getElementById(target);
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var value;
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if (!t) {
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var tl = document.getElementsByName(target);
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if( tl.length > 0 && tl[0].type == 'radio' )
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for( var i = 0; i < tl.length; i++ )
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if( tl[i].checked ) {
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value = tl[i].value;
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break;
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}
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value = value ? value : "";
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} else if (!t.value) {
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value = "";
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} else {
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value = t.value;
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if (t.type == "checkbox") {
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value = t.checked ? value : "";
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}
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}
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return (value == ref)
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}
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function cbi_d_check(deps) {
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var reverse;
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var def = false;
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for (var i=0; i<deps.length; i++) {
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var istat = true;
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reverse = false;
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for (var j in deps[i]) {
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if (j == "!reverse") {
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reverse = true;
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} else if (j == "!default") {
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def = true;
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istat = false;
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} else {
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istat = (istat && cbi_d_checkvalue(j, deps[i][j]))
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}
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}
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if (istat) {
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return !reverse;
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}
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}
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return def;
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}
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function cbi_d_update() {
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var state = false;
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for (var i=0; i<cbi_d.length; i++) {
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var entry = cbi_d[i];
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var next = document.getElementById(entry.next)
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var node = document.getElementById(entry.id)
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var parent = document.getElementById(entry.parent)
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if (node && node.parentNode && !cbi_d_check(entry.deps)) {
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node.parentNode.removeChild(node);
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state = true;
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if( entry.parent )
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cbi_c[entry.parent]--;
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} else if ((!node || !node.parentNode) && cbi_d_check(entry.deps)) {
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if (!next) {
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parent.appendChild(entry.node);
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} else {
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next.parentNode.insertBefore(entry.node, next);
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}
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state = true;
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if( entry.parent )
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cbi_c[entry.parent]++;
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}
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}
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if (entry.parent) {
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cbi_t_update();
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}
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if (state) {
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cbi_d_update();
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}
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}
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function cbi_bind(obj, type, callback, mode) {
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if (typeof mode == "undefined") {
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mode = false;
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}
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if (!obj.addEventListener) {
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ieCallback = function(){
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var e = window.event;
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if (!e.target && e.srcElement) {
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e.target = e.srcElement;
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};
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e.target['_eCB' + type + callback] = callback;
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e.target['_eCB' + type + callback](e);
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e.target['_eCB' + type + callback] = null;
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};
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obj.attachEvent('on' + type, ieCallback);
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} else {
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obj.addEventListener(type, callback, mode);
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}
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return obj;
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}
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function cbi_combobox(id, values, def, man) {
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var selid = "cbi.combobox." + id;
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if (document.getElementById(selid)) {
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return
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}
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var obj = document.getElementById(id)
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var sel = document.createElement("select");
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sel.id = selid;
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sel.className = 'cbi-input-select';
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if (obj.nextSibling) {
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obj.parentNode.insertBefore(sel, obj.nextSibling);
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} else {
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obj.parentNode.appendChild(sel);
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}
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if (!values[obj.value]) {
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if (obj.value == "") {
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var optdef = document.createElement("option");
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optdef.value = "";
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optdef.appendChild(document.createTextNode(def));
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sel.appendChild(optdef);
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} else {
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var opt = document.createElement("option");
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opt.value = obj.value;
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opt.selected = "selected";
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opt.appendChild(document.createTextNode(obj.value));
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sel.appendChild(opt);
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}
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}
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for (var i in values) {
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var opt = document.createElement("option");
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opt.value = i;
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if (obj.value == i) {
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opt.selected = "selected";
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}
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opt.appendChild(document.createTextNode(values[i]));
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sel.appendChild(opt);
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}
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var optman = document.createElement("option");
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optman.value = "";
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optman.appendChild(document.createTextNode(man));
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sel.appendChild(optman);
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obj.style.display = "none";
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cbi_bind(sel, "change", function() {
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if (sel.selectedIndex == sel.options.length - 1) {
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obj.style.display = "inline";
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sel.parentNode.removeChild(sel);
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obj.focus();
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} else {
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obj.value = sel.options[sel.selectedIndex].value;
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}
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try {
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cbi_d_update();
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} catch (e) {
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//Do nothing
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}
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})
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}
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function cbi_combobox_init(id, values, def, man) {
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var obj = document.getElementById(id);
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cbi_bind(obj, "blur", function() {
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cbi_combobox(id, values, def, man)
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});
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cbi_combobox(id, values, def, man);
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}
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function cbi_filebrowser(id, url, defpath) {
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var field = document.getElementById(id);
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var browser = window.open(
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url + ( field.value || defpath || '' ) + '?field=' + id,
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"luci_filebrowser", "width=300,height=400,left=100,top=200,scrollbars=yes"
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);
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browser.focus();
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}
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//Hijacks the CBI form to send via XHR (requires Prototype)
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function cbi_hijack_forms(layer, win, fail, load) {
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var forms = layer.getElementsByTagName('form');
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for (var i=0; i<forms.length; i++) {
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$(forms[i]).observe('submit', function(event) {
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// Prevent the form from also submitting the regular way
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event.stop();
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// Submit via XHR
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event.element().request({
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onSuccess: win,
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onFailure: fail
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});
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if (load) {
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load();
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}
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});
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}
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}
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function cbi_t_add(section, tab) {
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var t = document.getElementById('tab.' + section + '.' + tab);
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var c = document.getElementById('container.' + section + '.' + tab);
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if( t && c ) {
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cbi_t[section] = (cbi_t[section] || [ ]);
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cbi_t[section][tab] = { 'tab': t, 'container': c, 'cid': c.id };
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}
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}
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function cbi_t_switch(section, tab) {
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if( cbi_t[section] && cbi_t[section][tab] ) {
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var o = cbi_t[section][tab];
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var h = document.getElementById('tab.' + section);
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for( var tid in cbi_t[section] ) {
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var o2 = cbi_t[section][tid];
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if( o.tab.id != o2.tab.id ) {
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o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab( |$)/, " cbi-tab-disabled ");
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o2.container.style.display = 'none';
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}
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else {
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if(h) h.value = tab;
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o2.tab.className = o2.tab.className.replace(/(^| )cbi-tab-disabled( |$)/, " cbi-tab ");
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o2.container.style.display = 'block';
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}
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}
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}
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return false
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}
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function cbi_t_update() {
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for( var sid in cbi_t )
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for( var tid in cbi_t[sid] )
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if( cbi_c[cbi_t[sid][tid].cid] == 0 ) {
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cbi_t[sid][tid].tab.style.display = 'none';
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}
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else if( cbi_t[sid][tid].tab && cbi_t[sid][tid].tab.style.display == 'none' ) {
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cbi_t[sid][tid].tab.style.display = '';
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var t = cbi_t[sid][tid].tab;
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window.setTimeout(function() { t.className = t.className.replace(/ cbi-tab-highlighted/g, '') }, 750);
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cbi_t[sid][tid].tab.className += ' cbi-tab-highlighted';
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}
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}
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