diff options
Diffstat (limited to 'javascript')
| -rw-r--r-- | javascript/Makefile | 2 | ||||
| -rw-r--r-- | javascript/ajax.js | 57 |
2 files changed, 58 insertions, 1 deletions
diff --git a/javascript/Makefile b/javascript/Makefile index 1e228f1..5419c64 100644 --- a/javascript/Makefile +++ b/javascript/Makefile @@ -16,7 +16,7 @@ VDRDIR ?= ../../../.. ### The object files (add further files here): OBJS = alphaAPI.o domLib.o domTT_drag.o domTT.o fadomatic.o \ - treeview.o + treeview.o ajax.o ### Default rules: diff --git a/javascript/ajax.js b/javascript/ajax.js new file mode 100644 index 0000000..042ebc9 --- /dev/null +++ b/javascript/ajax.js @@ -0,0 +1,57 @@ +function LiveAjaxCall(url) +{ + var xml = null; + if (window.XMLHttpRequest) { + xml = new XMLHttpRequest(); + if (xml.overrideMimeType) + xml.overrideMimeType('text/xml'); + } else if (window.ActiveXObject) { + try { + xml = new ActiveXObject("Msxml2.XMLHTTP"); + } catch (e) { + try { + xml = new ActiveXObject("Microsoft.XMLHTTP"); + } catch (e) {} + } + } + + this.url = url; + this.xml = xml; + + this.onerror = function(message) {}; + this.oncomplete = function(result) {}; + + this.request = function(param, value) + { + var url = this.url+'?'+name+"="+value; + this.xml.onreadystatechange = function() { this.readystatechanged(); } + this.xml.open('GET', url, true); + this.xml.send(null); + }; + + this.readystatechanged = function() + { + try { + if (this.xml.readyState == 4) { + if (this.xml.status == 200) { + var xmldoc = xml.responseXML; + var result = xmldoc.getElementsByTagName('response').item(0).firstChild.data; + this.oncomplete(result); + } else { + this.onerror('Invocation of webservice "'+this.url+'" failed with http status code '+this.xml.status); + } + } + } catch (e) { + this.onerror('Invocation of webservice "'+this.url+'" failed with exception: '+e.description); + } + }; +} + +function LiveSimpleAjaxRequest(url, param, value) +{ + var xml = new LiveAjaxCall(url); + xml.onerror = function(message) { alert(message); } + xml.oncomplete = function(response) { } + xml.request(param, value); +}; + |