js/adhoc.js

   1 Strophe.addNamespace("ADHOC", "http://jabber.org/protocol/commands");
   2
   3 var Adhoc = {
   4     status: {
   5         sessionid: null,
   6         cmdNode: null,
   7         queryJID: null
   8     },
   9
  10     addNote: function (elem, text, type) {
  11         if (!type) {
  12            type = "info";
  13         }
  14         text = text.replace(/\n/g, "<br/>");
  15         $(elem).append("<p class='" + type + "Note'>" + text + "</p>");
  16     },
  17
  18     addForm: function (elem, x) {
  19         var form = $("<form action='#'/>");
  20         form.submit(function(event) {
  21             Adhoc.executeCommand("execute", Adhoc.serializeToDataform('form'),
  22                 function(e) { Adhoc.displayResult(elem, e) });
  23             event.preventDefault();
  24         });
  25         var fieldset = $("<fieldset/>");
  26         form.append(fieldset);
  27         if ($(x).find("title").length > 0)
  28             $("<legend/>").text($(x).find("title").text()).appendTo(fieldset);
  29         if ($(x).find("instructions").length > 0)
  30             $("<p/>").text($(x).find("instructions").text()).appendTo(fieldset);
  31         $(x).find("field").each(function() {
  32             var item = null;
  33             var type = $(this).attr("type");
  34             if($(this).attr("label")) {
  35                 $("<label/>").text($(this).attr("label")).attr("for", $(this).attr("var")).appendTo(fieldset);
  36                 $("<br/>").appendTo(fieldset);
  37             }
  38             switch(type) {
  39             case "hidden":
  40                 item = $("<input type='hidden'/>");
  41                 break;
  42             case "boolean":
  43                 item = $("<input type='checkbox'/>");
  44                 break;
  45             case "text-multi":
  46                 item = $("<textarea rows='10' cols='70'/>");
  47                 break;
  48             case "text-single":
  49                 item = $("<input type='text'/>");
  50                 break;
  51             case "fixed":
  52                 item = $("<input type='text'/>").attr("readonly",true);
  53                 break;
  54             case "jid-multi":
  55                 item = $("<textarea rows='10' cols='70'/>");
  56                 break;
  57             case "jid-single":
  58                 item = $("<input type='text'/>");
  59                 break;
  60             case "list-multi":
  61                 item = $("<select multiple='multiple'/>");
  62                 $(this).find("option").each(function() {
  63                     $("<option/>").val($(this).find("value").text()).text($(this).attr("label")).appendTo(item);
  64                 });
  65                 break;
  66             case "list-single":
  67                 item = $("<select/>");
  68                 $(this).find("option").each(function() {
  69                     $("<option/>").val($(this).find("value").text()).text($(this).attr("label")).appendTo(item);
  70                 });
  71                 break;
  72             case "text-private":
  73                 item = $("<input type='password'/>");
  74                 break;
  75             default:
  76                 item = $("<input/>");
  77             }
  78             item.addClass("df-item");
  79             if ($(this).find("value").length > 0) {
  80                 var value = null;
  81                 if ((type == "text-multi") || (type == "jid-multi")) {
  82                     value = "";
  83                     $(this).find("value").each(function() {
  84                         value = value + $(this).text() + "\n";
  85                     });
  86                     item.val(value);
  87                 } else if (type == "list-multi") {
  88                     $(this).children("value").each(function() {
  89                         item.children('option[value="' + $(this).text() + '"]').each(function() {
  90                             $(this).attr("selected", "selected");
  91                 });
  92                     });
  93                 } else {
  94                     item.val($(this).find("value").text());
  95                 }
  96             }
  97             if ($(x).attr("type") == "result")
  98                 item.attr("readonly", true);
  99             if ($(this).attr("var")) {
 100                 item.attr("name", $(this).attr("var"));
 101                 item.attr("id", $(this).attr("var"));
 102             }
 103             fieldset.append(item);
 104             if (type != "hidden")
 105                 fieldset.append("<br/>");
 106         });
 107         $(elem).append(form);
 108     },
 109
 110     serializeToDataform: function (form) {
 111         st = $build("x", {"xmlns": "jabber:x:data", "type": "submit"});
 112         $(form).find(".df-item").each(function(){
 113             st.c("field", {"var": $(this).attr("name")});
 114             if (this.nodeName.toLowerCase() == "select" && this.multiple) {
 115                 for (var i = 0; i < this.options.length; i++)
 116                     if (this.options[i].selected)
 117                         st.c("value").t(this.options[i].text).up();
 118             } else if (this.nodeName.toLowerCase() == "textarea") {
 119                 var sp_value = this.value.split(/\r?\n|\r/g);
 120                 for(var i = 0; i < sp_value.length; i++)
 121                     st.c("value").t(sp_value[i]).up();
 122             } else if (this.nodeName.toLowerCase() == "input" && this.type == "checkbox") {
 123                 if (this.checked) {
 124                     st.c("value").t("1");
 125                 } else {
 126                     st.c("value").t("0");
 127                 }
 128             } else {
 129                 // if this has value then
 130                 st.c("value").t($(this).val()).up();
 131             }
 132             st.up();
 133         });
 134         st.up();
 135         return st.tree();
 136     },
 137
 138     displayResult: function (elem, result) {
 139         var status = $(result).find("command").attr("status");
 140         var kinds = {'prev': 'Prev', 'next': 'Next', 'complete': 'Complete'};
 141
 142         $(elem).empty();
 143         $(result).find("command > *").each(function(index, e) {
 144             if ($(e).is("note")) {
 145                 Adhoc.addNote(elem, $(e).text(), $(e).attr("type"));
 146             } else if ($(e).is("x[xmlns=jabber:x:data]")) {
 147                 Adhoc.addForm(elem, e);
 148             }
 149         });
 150         if (status == "executing") {
 151             for (kind in kinds) {
 152                 input = $("<input type='button' disabled='disabled' value='" + kinds[kind] + "'/>").click(function() {
 153                     Adhoc.executeCommand(kind, (kind != 'prev') && Adhoc.serializeToDataform('form'), function(e) { Adhoc.displayResult(elem, e) });
 154                 });
 155                 if ($(result).find('actions ' + kind).length > 0)
 156                     input.removeAttr("disabled");
 157                 $(elem).append(input);
 158             }
 159
 160             $("<input type='button' id='executeButton' value='Execute'/>").click(function() {
 161                 Adhoc.executeCommand("execute", Adhoc.serializeToDataform('form'), function(e) { Adhoc.displayResult(elem, e) });
 162             }).appendTo(elem);
 163
 164             $("<input type='button' value='Cancel'/>").click(function() {
 165                 Adhoc.cancelCommand(function(e) { Adhoc.displayResult(elem, e) });
 166             }).appendTo(elem);
 167         } else {
 168             input = $("<input type='button' value='Start over'/>").bind("click", function() {
 169                 $(elem).empty();
 170                 Adhoc.status.sessionid = null;
 171                 Adhoc.status.cmdNode = null;
 172                 Adhoc.getCommandNodes(elem);
 173             });
 174             $(elem).append(input);
 175         }
 176     },
 177
 178     runCommand: function (item, callback) {
 179         Adhoc.status.cmdNode = $(item).attr("id"); // Save node of executed command (in global var)
 180         Adhoc.executeCommand("execute", false, function(result) {
 181             Adhoc.status.sessionid = $(result).find("command").attr("sessionid");
 182             callback(result);
 183         });
 184     },
 185
 186     executeCommand: function (type, childs, callback) {
 187         if (Adhoc.status.sessionid)
 188             var execIQ = $iq({ type: "set", to: Adhoc.status.queryJID, id: connection.getUniqueId() })
 189                 .c("command", { xmlns: Strophe.NS.ADHOC, node: Adhoc.status.cmdNode, sessionid: Adhoc.status.sessionid, action: type });
 190         else
 191             var execIQ = $iq({ type: "set", to: Adhoc.status.queryJID, id: connection.getUniqueId() })
 192                 .c("command", { xmlns: Strophe.NS.ADHOC, node: Adhoc.status.cmdNode, action: type });
 193         if (childs)
 194             execIQ.cnode(childs);
 195             connection.sendIQ(execIQ, callback);
 196     },
 197
 198     cancelCommand: function (callback) {
 199         Adhoc.executeCommand("cancel", false, callback);
 200         Adhoc.status.cmdNode = null
 201         Adhoc.status.sessionid = null;
 202     },
 203
 204     getCommandNodes: function (elem) {
 205         var nodesIQ = $iq({ type: "get", to: Adhoc.status.queryJID, id: connection.getUniqueId() }).c("query", {xmlns: Strophe.NS.DISCO_ITEMS, node: Strophe.NS.ADHOC});
 206         connection.sendIQ(nodesIQ, function(result) {
 207             var items = $("<ul></ul>");
 208             $(elem).append(items);
 209             $(result).find("item").each(function(index, e) {
 210                 $("<li></li>").append($("<a href='#' id='" + $(e).attr("node") + "'>" + $(e).attr("name") + "</a>").click(function (event) {
 211                     Adhoc.runCommand(this, function (result) { Adhoc.displayResult(elem, result); });
 212                     event.preventDefault();
 213                 })).appendTo(items);
 214             });
 215         });
 216     },
 217
 218     checkFeatures: function (elem, jid) {
 219         if (Adhoc.status.sessionid)
 220             Adhoc.cancelCommand();
 221         Adhoc.status.queryJID = jid;
 222         var featureIQ = $iq({ type: "get", to: Adhoc.status.queryJID, id: connection.getUniqueId() }).c("query", {xmlns: Strophe.NS.DISCO_INFO});
 223         $(elem).empty();
 224         connection.sendIQ(featureIQ,
 225             function(result) { /* Callback */
 226                 if ($(result).find("feature[var='" + Strophe.NS.ADHOC + "']").length > 0) {
 227                     Adhoc.getCommandNodes(elem);
 228                 } else {
 229                     $(elem).append("<p>" + Adhoc.status.queryJID + " does NOT support AdHoc commands</p>");
 230                 }
 231             },
 232             function(result) { /* Errback */
 233                 $(elem).append("<p>Couldn't get list of supported features</p>");
 234             }
 235         );
 236     }
 237
 238 }