]> git.wh0rd.org - tt-rss.git/blobdiff - prefs.js
prefs: some async work (6)
[tt-rss.git] / prefs.js
index 122bb83b149ea76c854e0958f893534724252c70..813d8df689b62179a22f7bb22ba8669eca7df5e3 100644 (file)
--- a/prefs.js
+++ b/prefs.js
@@ -1,29 +1,12 @@
-var xmlhttp = false;
-
 var active_feed_cat = false;
 var active_tab = false;
 
-var xmlhttp = Ajax.getTransport();
-
 var init_params = new Array();
 
 var caller_subop = false;
 var sanity_check_done = false;
 var hotkey_prefix = false;
 
-function infobox_callback() {
-       if (xmlhttp.readyState == 4) {
-               infobox_callback2(xmlhttp);
-       }
-}
-
-function infobox_submit_callback() {
-       if (xmlhttp.readyState == 4) {
-               infobox_submit_callback2(xmlhttp);
-       }
-}
-
-
 function replace_pubkey_callback(transport) {
        try {   
                var link = document.getElementById("pubGenAddress");
@@ -127,12 +110,16 @@ function labellist_callback2(transport) {
        }
 }
 
-function userlist_callback() {
-       var container = document.getElementById('prefContent');
-       if (xmlhttp.readyState == 4) {
-               container.innerHTML=xmlhttp.responseText;
-               notify("");
-               remove_splash();
+function userlist_callback2(transport) {
+       try {
+               var container = document.getElementById('prefContent');
+               if (transport.readyState == 4) {
+                       container.innerHTML=transport.responseText;
+                       notify("");
+                       remove_splash();
+               }
+       } catch (e) {
+               exception_error("userlist_callback2", e);
        }
 }
 
@@ -147,12 +134,6 @@ function prefslist_callback2(transport) {
        }
 }
 
-function notify_callback() {
-       if (xmlhttp.readyState == 4) {
-               notify_callback2(xmlhttp);
-       } 
-}
-
 function notify_callback2(transport) {
        notify_info(transport.responseText);     
 }
@@ -167,23 +148,21 @@ function prefs_reset_callback2(transport) {
 }
 
 
-function changepass_callback() {
+function changepass_callback2(transport) {
        try {
-               if (xmlhttp.readyState == 4) {
        
-                       if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
-                               notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
+                       if (transport.responseText.indexOf("ERROR: ") == 0) {
+                               notify_error(transport.responseText.replace("ERROR: ", ""));
                        } else {
-                               notify_info(xmlhttp.responseText);
+                               notify_info(transport.responseText);
                                var warn = document.getElementById("default_pass_warning");
                                if (warn) warn.style.display = "none";
                        }
        
                        document.forms['change_pass_form'].reset();
 
-               } 
        } catch (e) {
-               exception_error("changepass_callback", e);
+               exception_error("changepass_callback2", e);
        }
 }
 
@@ -247,21 +226,24 @@ function updateFeedList(sort_key) {
 
 function updateUsersList(sort_key) {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
-       var user_search = document.getElementById("user_search");
-       var search = "";
-       if (user_search) { search = user_search.value; }
+       try {
 
-       xmlhttp.open("GET", "backend.php?op=pref-users&sort="
-               + param_escape(sort_key) +
-               "&search=" + param_escape(search), true);
-       xmlhttp.onreadystatechange=userlist_callback;
-       xmlhttp.send(null);
+               var user_search = document.getElementById("user_search");
+               var search = "";
+               if (user_search) { search = user_search.value; }
+       
+               var query = "backend.php?op=pref-users&sort="
+                       + param_escape(sort_key) +
+                       "&search=" + param_escape(search);
+       
+               new Ajax.Request(query, {
+                       onComplete: function(transport) { 
+                               userlist_callback2(transport); 
+                       } });
 
+       } catch (e) {
+               exception_error("updateUsersList", e);
+       }
 }
 
 function addLabel() {
@@ -328,11 +310,6 @@ function addFeed() {
 
 function addFeedCat() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        var cat = document.getElementById("fadd_cat");
 
        if (cat.value.length == 0) {
@@ -355,27 +332,29 @@ function addFeedCat() {
 }
 function addUser() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
-       var sqlexp = document.getElementById("uadd_box");
-
-       if (sqlexp.value.length == 0) {
-               alert(__("Can't add user: no login specified."));
-       } else {
-               notify_progress("Adding user...");
+       try {
 
-               xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
-                       param_escape(sqlexp.value), true);                      
-                       
-               xmlhttp.onreadystatechange=userlist_callback;
-               xmlhttp.send(null);
+               var sqlexp = document.getElementById("uadd_box");
+       
+               if (sqlexp.value.length == 0) {
+                       alert(__("Can't add user: no login specified."));
+               } else {
+                       notify_progress("Adding user...");
+       
+                       var query = "backend.php?op=pref-users&subop=add&login=" +
+                               param_escape(sqlexp.value);
+                               
+                       new Ajax.Request(query, {
+                               onComplete: function(transport) { 
+                                       userlist_callback2(transport); 
+                               } });
+       
+                       sqlexp.value = "";
+               }
 
-               sqlexp.value = "";
+       } catch (e) {
+               exception_error("addUser", e);
        }
-
 }
 
 function editUser(id) {
@@ -507,28 +486,33 @@ function removeSelectedLabels() {
 
 function removeSelectedUsers() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
-       var sel_rows = getSelectedUsers();
-
-       if (sel_rows.length > 0) {
-
-               var ok = confirm(__("Remove selected users?"));
+       try {
 
-               if (ok) {
-                       notify_progress("Removing selected users...");
+               var sel_rows = getSelectedUsers();
+       
+               if (sel_rows.length > 0) {
+       
+                       var ok = confirm(__("Remove selected users?"));
+       
+                       if (ok) {
+                               notify_progress("Removing selected users...");
+               
+                               var query = "backend.php?op=pref-users&subop=remove&ids="+
+                                       param_escape(sel_rows.toString());
+       
+                               new Ajax.Request(query, {
+                                       onComplete: function(transport) { 
+                                               userlist_callback2(transport); 
+                                       } });
+       
+                       }
        
-                       xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
-                               param_escape(sel_rows.toString()), true);
-                       xmlhttp.onreadystatechange=userlist_callback;
-                       xmlhttp.send(null);
+               } else {
+                       alert(__("No users are selected."));
                }
 
-       } else {
-               alert(__("No users are selected."));
+       } catch (e) {
+               exception_error("removeSelectedUsers", e);
        }
 
        return false;
@@ -631,11 +615,6 @@ function clearSelectedFeeds() {
 
 function purgeSelectedFeeds() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        var sel_rows = getSelectedFeeds();
 
        if (sel_rows.length > 0) {
@@ -667,11 +646,6 @@ function purgeSelectedFeeds() {
 
 function removeSelectedFeedCats() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        var sel_rows = getSelectedFeedCats();
 
        if (sel_rows.length > 0) {
@@ -702,11 +676,6 @@ function removeSelectedFeedCats() {
 
 function feedEditCancel() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        try {
                document.getElementById("subscribe_to_feed_btn").disabled = false;
                document.getElementById("top25_feeds_btn").disabled = false;
@@ -748,11 +717,6 @@ function feedEditSave() {
 
 function userEditCancel() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        selectPrefRows('user', false); // cleanup feed selection
        closeInfoBox();
 
@@ -761,11 +725,6 @@ function userEditCancel() {
 
 function filterEditCancel() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
        try {
                document.getElementById("create_filter_btn").disabled = false;
                selectPrefRows('filter', false); // cleanup feed selection
@@ -778,29 +737,33 @@ function filterEditCancel() {
 
 function userEditSave() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return
-       }
-
-       var login = document.forms["user_edit_form"].login.value;
+       try {
 
-       if (login.length == 0) {
-               alert(__("Login field cannot be blank."));
-               return;
-       }
+               var login = document.forms["user_edit_form"].login.value;
        
-       notify_progress("Saving user...");
-
-       closeInfoBox();
-
-       var query = Form.serialize("user_edit_form");
+               if (login.length == 0) {
+                       alert(__("Login field cannot be blank."));
+                       return;
+               }
+               
+               notify_progress("Saving user...");
+       
+               closeInfoBox();
+       
+               var query = Form.serialize("user_edit_form");
+               
+               new Ajax.Request("backend.php", {
+                       parameters: query,
+                       onComplete: function(transport) { 
+                               userlist_callback2(transport); 
+                       } });
        
-       xmlhttp.open("GET", "backend.php?" + query, true);                      
-       xmlhttp.onreadystatechange=userlist_callback;
-       xmlhttp.send(null);
+       } catch (e) {
+               exception_error("userEditSave", e);
+       }
 
        return false;
+
 }
 
 
@@ -848,29 +811,40 @@ function editSelectedUser() {
 }
 
 function resetSelectedUserPass() {
-       var rows = getSelectedUsers();
-
-       if (rows.length == 0) {
-               alert(__("No users are selected."));
-               return;
-       }
-
-       if (rows.length > 1) {
-               alert(__("Please select only one user."));
-               return;
-       }
 
-       var ok = confirm(__("Reset password of selected user?"));
+       try {
 
-       if (ok) {
-               notify_progress("Resetting password for selected user...");
+               var rows = getSelectedUsers();
        
-               var id = rows[0];
+               if (rows.length == 0) {
+                       alert(__("No users are selected."));
+                       return;
+               }
+       
+               if (rows.length > 1) {
+                       alert(__("Please select only one user."));
+                       return;
+               }
+       
+               var ok = confirm(__("Reset password of selected user?"));
+       
+               if (ok) {
+                       notify_progress("Resetting password for selected user...");
+               
+                       var id = rows[0];
+               
+                       var query = "backend.php?op=pref-users&subop=resetPass&id=" +
+                               param_escape(id);
+       
+                       new Ajax.Request(query, {
+                               onComplete: function(transport) { 
+                                       userlist_callback2(transport); 
+                               } });
        
-               xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
-                       param_escape(id), true);
-               xmlhttp.onreadystatechange=userlist_callback;
-               xmlhttp.send(null);
+               }
+
+       } catch (e) {
+               exception_error("resetSelectedUserPass", e);
        }
 }
 
@@ -1061,11 +1035,6 @@ function selectTab(id, noupdate, subop) {
 
        try {
 
-               if (!xmlhttp_ready(xmlhttp)) {
-                       printLockingError();
-                       return
-               }
-
                try {
                        var c = document.getElementById('prefContent'); 
                        c.scrollTop = 0;
@@ -1128,63 +1097,60 @@ function selectTab(id, noupdate, subop) {
        }
 }
 
-function backend_sanity_check_callback() {
+function backend_sanity_check_callback2(transport) {
 
-       if (xmlhttp.readyState == 4) {
+       try {
 
-               try {
+               if (sanity_check_done) {
+                       fatalError(11, "Sanity check request received twice. This can indicate "+
+                     "presence of Firebug or some other disrupting extension. "+
+                               "Please disable it and try again.");
+                       return;
+               }
 
-                       if (sanity_check_done) {
-                               fatalError(11, "Sanity check request received twice. This can indicate "+
-                             "presence of Firebug or some other disrupting extension. "+
-                                       "Please disable it and try again.");
-                               return;
-                       }
+               if (!transport.responseXML) {
+                       fatalError(3, "Sanity Check: Received reply is not XML", 
+                               transport.responseText);
+                       return;
+               }
 
-                       if (!xmlhttp.responseXML) {
-                               fatalError(3, "Sanity Check: Received reply is not XML", 
-                                       xmlhttp.responseText);
-                               return;
-                       }
-       
-                       var reply = xmlhttp.responseXML.firstChild.firstChild;
-       
-                       if (!reply) {
-                               fatalError(3, "Sanity Check: Invalid RPC reply", xmlhttp.responseText);
-                               return;
-                       }
-       
-                       var error_code = reply.getAttribute("error-code");
-               
-                       if (error_code && error_code != 0) {
-                               return fatalError(error_code, reply.getAttribute("error-msg"));
-                       }
+               var reply = transport.responseXML.firstChild.firstChild;
+
+               if (!reply) {
+                       fatalError(3, "Sanity Check: Invalid RPC reply", transport.responseText);
+                       return;
+               }
+
+               var error_code = reply.getAttribute("error-code");
        
-                       debug("sanity check ok");
+               if (error_code && error_code != 0) {
+                       return fatalError(error_code, reply.getAttribute("error-msg"));
+               }
 
-                       var params = reply.nextSibling;
+               debug("sanity check ok");
 
-                       if (params) {
-                               debug('reading init-params...');
-                               var param = params.firstChild;
+               var params = reply.nextSibling;
 
-                               while (param) {
-                                       var k = param.getAttribute("key");
-                                       var v = param.getAttribute("value");
-                                       debug(k + " => " + v);
-                                       init_params[k] = v;                                     
-                                       param = param.nextSibling;
-                               }
+               if (params) {
+                       debug('reading init-params...');
+                       var param = params.firstChild;
+
+                       while (param) {
+                               var k = param.getAttribute("key");
+                               var v = param.getAttribute("value");
+                               debug(k + " => " + v);
+                               init_params[k] = v;                                     
+                               param = param.nextSibling;
                        }
+               }
 
-                       sanity_check_done = true;
+               sanity_check_done = true;
 
-                       init_second_stage();
+               init_second_stage();
 
-               } catch (e) {
-                       exception_error("backend_sanity_check_callback", e);
-               }
-       } 
+       } catch (e) {
+               exception_error("backend_sanity_check_callback", e);
+       }
 }
 
 function init_second_stage() {
@@ -1234,19 +1200,14 @@ function init() {
                        debug('debug mode activated');
                }
 
-               // IE kludge
-               if (!xmlhttp) {
-                       document.getElementById("prefContent").innerHTML = 
-                               "<b>Fatal error:</b> This program needs XmlHttpRequest " + 
-                               "to function properly. Your browser doesn't seem to support it.";
-                       return;
-               }
-
                loading_set_progress(30);
 
-               xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
-               xmlhttp.onreadystatechange=backend_sanity_check_callback;
-               xmlhttp.send(null);
+               var query = "backend.php?op=rpc&subop=sanityCheck";
+
+               new Ajax.Request(query, {
+                       onComplete: function(transport) { 
+                               backend_sanity_check_callback2(transport);
+                       } });
 
        } catch (e) {
                exception_error("init", e);
@@ -1631,11 +1592,6 @@ function changeUserPassword() {
 
        try {
 
-               if (!xmlhttp_ready(xmlhttp)) {
-                       printLockingError();
-                       return false;
-               }
-       
                var f = document.forms["change_pass_form"];
 
                if (f) {
@@ -1669,11 +1625,13 @@ function changeUserPassword() {
                var query = Form.serialize("change_pass_form");
        
                notify_progress("Trying to change password...");
-       
-               xmlhttp.open("POST", "backend.php", true);
-               xmlhttp.onreadystatechange=changepass_callback;
-               xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
-               xmlhttp.send(query);
+
+               new Ajax.Request("backend.php", {
+                       parameters: query,
+                       onComplete: function(transport) { 
+                               changepass_callback2(transport); 
+                       } });
+
 
        } catch (e) {
                exception_error("changeUserPassword", e);
@@ -1686,19 +1644,15 @@ function changeUserEmail() {
 
        try {
 
-               if (!xmlhttp_ready(xmlhttp)) {
-                       printLockingError();
-                       return false;
-               }
-       
                var query = Form.serialize("change_email_form");
        
                notify_progress("Trying to change e-mail...");
        
-               xmlhttp.open("POST", "backend.php", true);
-               xmlhttp.onreadystatechange=notify_callback;
-               xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
-               xmlhttp.send(query);
+               new Ajax.Request("backend.php", {
+                       parameters: query,
+                       onComplete: function(transport) { 
+                               notify_callback2(transport); 
+                       } });
 
        } catch (e) {
                exception_error("changeUserPassword", e);
@@ -1715,11 +1669,6 @@ function feedlistToggleSLAT() {
 
 function pubRegenKey() {
 
-       if (!xmlhttp_ready(xmlhttp)) {
-               printLockingError();
-               return false;
-       }
-
        var ok = confirm(__("Replace current publishing address with a new one?"));
 
        if (ok) {
@@ -1738,25 +1687,6 @@ function pubRegenKey() {
        return false;
 }
 
-function pubToClipboard() {
-
-       try {
-
-               if (!xmlhttp_ready(xmlhttp)) {
-                       printLockingError();
-                       return false;
-               }
-       
-               var link = document.getElementById("pubGenAddress");
-               alert(link.href);
-
-       } catch (e) {
-               exception_error("pubToClipboard", e);
-       }
-
-       return false; 
-}
-
 function validatePrefsSave() {
        try {
 
@@ -1768,10 +1698,12 @@ function validatePrefsSave() {
                        query = query + "&subop=save-config";
                        debug(query);
 
-                       xmlhttp.open("POST", "backend.php", true);
-                       xmlhttp.onreadystatechange=notify_callback;
-                       xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
-                       xmlhttp.send(query);
+                       new Ajax.Request("backend.php", {
+                               parameters: query,
+                               onComplete: function(transport) { 
+                               notify_callback2(transport); 
+                       } });
+
                }
 
        } catch (e) {
@@ -1952,11 +1884,6 @@ function unsubscribeFeed(id, title) {
 function feedsEditSave() {
        try {
 
-               if (!xmlhttp_ready(xmlhttp)) {
-                       printLockingError();
-                       return
-               }
-
                var ok = confirm(__("Save changes to selected feeds?"));
 
                if (ok) {