libs/cbi: Added value function to luci.cbi.Value to create Comboboxes

1 files changed, 73 insertions, 0 deletions

diff --git a/libs/cbi/htdocs/luci-static/resources/cbi.js b/libs/cbi/htdocs/luci-static/resources/cbi.js
index 3abc3a9f5..38e27d8f4 100644
--- a/libs/cbi/htdocs/luci-static/resources/cbi.js
+++ b/libs/cbi/htdocs/luci-static/resources/cbi.js
@@ -35,4 +35,77 @@ function cbi_d_init() {
 	for (var x in cbi_d) {
 		cbi_d_update(x);
 	}
+}
+
+function cbi_bind(obj, type, callback, mode) {
+	if (typeof mode == "undefined") {
+		mode = false;
+	}
+	if (!obj.addEventListener) {
+		ieCallback = function(){
+			var e = window.event;
+			if (!e.target && e.srcElement) {
+				e.target = e.srcElement;
+			};
+			e.target['_eCB' + type + callback] = callback;
+			e.target['_eCB' + type + callback](e);
+			e.target['_eCB' + type + callback] = null;
+		};
+		obj.attachEvent('on' + type, ieCallback);
+	} else {
+		obj.addEventListener(type, callback, mode);
+	}
+	return obj;
+}
+
+function cbi_combobox(id, values, def, man) {
+	var obj = document.getElementById(id)
+	if (obj.value == "" || values[obj.value]) {
+		var sel = document.createElement("select")
+		obj.parentNode.appendChild(sel)
+
+		if (obj.value == "") {
+			var optdef = document.createElement("option")
+			optdef.value = ""
+			optdef.appendChild(document.createTextNode(def))
+			sel.appendChild(optdef)
+		}
+
+		for (var i in values) {
+			var opt = document.createElement("option")
+			opt.value = i
+
+			if (obj.value == i) {
+				opt.selected = "selected"
+			}
+
+			opt.appendChild(document.createTextNode(values[i]))
+			sel.appendChild(opt)
+		}
+
+		var optman = document.createElement("option")
+		optman.value = ""
+		optman.appendChild(document.createTextNode(man))
+		sel.appendChild(optman)
+
+		obj.style.display = "none"
+
+		cbi_bind(sel, "change", function() {
+			obj.value = sel.options[sel.selectedIndex].value
+
+			if (sel.selectedIndex == sel.options.length - 1) {
+				obj.style.display = "inline"
+				sel.parentNode.removeChild(sel)
+				obj.focus()
+			}
+		})
+	}
+}
+
+function cbi_combobox_init(id, values, def, man) {
+	var obj = document.getElementById(id)
+	cbi_bind(obj, "change", function() {
+		cbi_combobox(id, values, def, man)
+	})
+	cbi_combobox(id, values, def, man)
 }
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