Author: damoxc
Revision: 5117
Log:
rewrite the rpcclient using ext
Diff:
Added: trunk/deluge/ui/web/js/Deluge.Client.js
===================================================================
--- trunk/deluge/ui/web/js/Deluge.Client.js (rev 0)
+++ trunk/deluge/ui/web/js/Deluge.Client.js 2009-04-21 17:27:55 UTC (rev
5117)
@@ -0,0 +1,158 @@
+/*
+Script: Deluge.Client.js
+ A JSON-RPC proxy built on top of ext-core.
+
+Copyright:
+ (C) Damien Churchill 2009 <[email protected]>
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, write to:
+ The Free Software Foundation, Inc.,
+ 51 Franklin Street, Fifth Floor
+ Boston, MA 02110-1301, USA.
+*/
+
+Ext.namespace('Ext.ux.util');
+(function() {
+ Ext.ux.util.RpcClient = Ext.extend(Ext.util.Observable, {
+
+ _methods: [],
+
+ _requests: {},
+
+ _url: null,
+
+ _optionKeys: ['scope', 'success', 'failure'],
+
+ constructor: function(config) {
+ Ext.ux.util.RpcClient.superclass.constructor.call(this, config);
+ this._url = config.url || null;
+ this._id = 0;
+
+ this.addEvents(
+ // raw events
+ /**
+ * @event ready
+ * Fires when the client has retrieved the list of methods
from the server.
+ * @param {Ext.ux.util.RpcClient} this
+ */
+ 'ready'
+ );
+
+ this._execute('system.listMethods', {
+ success: this._setMethods,
+ scope: this
+ });
+ },
+
+ _execute: function(method, options) {
+ options = options || {};
+ options.params = options.params || [];
+ options.id = this._id;
+
+ var request = Ext.encode({
+ method: method,
+ params: options.params,
+ id: options.id
+ });
+ this._id++;
+
+ return Ext.Ajax.request({
+ url: this._url,
+ method: 'POST',
+ success: this._onSuccess,
+ failure: this._onFailure,
+ scope: this,
+ jsonData: request,
+ options: options
+ });
+ },
+
+ _onFailure: function(response, options) {
+ if (response.status == 500) {
+ //error
+ }
+ errorObj = {
+ id: options.options.id
+ }
+ alert(Ext.encode(errorObj));
+ },
+
+ _onSuccess: function(response, requestOptions) {
+ var responseObj = Ext.decode(response.responseText);
+ var options = requestOptions.options;
+ if (responseObj.error) {
+ if (!options.failure) return;
+ if (options.scope) {
+ options.failure.call(options.scope, responseObj.error,
responseObj, response);
+ } else {
+ options.failure(responseObj.error, responseObj, response);
+ }
+ } else {
+ if (!options.success) return;
+ if (options.scope) {
+ options.success.call(options.scope, responseObj.result,
responseObj, response);
+ } else {
+ options.success(responseObj.result, responseObj, response);
+ }
+ }
+ },
+
+ _parseArgs: function(args) {
+ var params = [];
+ Ext.each(args, function(arg) {
+ params.push(arg);
+ });
+
+ var options = params[params.length - 1];
+ if (Ext.type(options) == 'object') {
+ var keys = Ext.keys(options), isOption = false;
+
+ Ext.each(this._optionKeys, function(key) {
+ if (keys.indexOf(key) > -1) isOption = true;
+ });
+
+ if (isOption) {
+ params.remove(options)
+ } else {
+ options = {}
+ }
+ } else {
+ options = {}
+ }
+ options.params = params;
+ return options;
+ },
+
+ _setMethods: function(methods) {
+ var components = {}, self = this;
+
+ Ext.each(methods, function(method) {
+ var parts = method.split('.');
+ var component = components[parts[0]] || {};
+
+ var fn = function() {
+ var options = self._parseArgs(arguments);
+ return self._execute(method, options);
+ }
+ component[parts[1]] = fn;
+ components[parts[0]] = component;
+ });
+
+ for (var name in components) {
+ self[name] = components[name];
+ }
+
+ this.fireEvent('ready', this);
+ }
+ });
+})();
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