implement datacenter http_proxy editor

www/manager/Utils.js

@@ -25,7 +25,7 @@ Ext.Ajax.on('beforerequest', function(conn, options) {
     }
 });
 
-// custom Vtype for vtype:'IPAddress'
+// custom Vtypes
 Ext.apply(Ext.form.field.VTypes, {
     IPAddress:  function(v) {
         return (/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/).test(v);
@@ -57,7 +57,12 @@ Ext.apply(Ext.form.field.VTypes, {
     StorageId:  function(v) {
         return (/^[a-z][a-z0-9\-\_\.]*[a-z0-9]$/i).test(v);
     },
-    StorageIdText: "ID contains illegal characters (allowed characters: 'a-z', '0-9', '-', '_' and '.')"
+    StorageIdText: "ID contains illegal characters (allowed characters: 'a-z', '0-9', '-', '_' and '.')",
+
+    HttpProxy:  function(v) {
+        return (/^http:\/\/.*$/).test(v);
+    },
+    HttpProxyText: "Must confirm to schema 'http://.*' (example: 'http://username:password\@host:port/')"
 });
 
 // we dont want that a displayfield set the form dirty flag! 

www/manager/dc/OptionView.js

+Ext.define('PVE.dc.HttpProxyEdit', {
+    extend: 'PVE.window.Edit',
+
+    initComponent : function() {
+	var me = this;
+
+	Ext.applyIf(me, {
+	    title: "Edit HTTP proxy settings",
+	    items: {
+		xtype: 'pvetextfield',
+		name: 'http_proxy',
+		vtype: 'HttpProxy',
+		emptyText: 'Do not use any proxy',
+		deleteEmpty: true,
+		value: '',
+		fieldLabel: 'HTTP proxy'
+	    }
+	});
+
+	me.callParent();
+
+	me.load();
+    }
+});
+
 Ext.define('PVE.dc.LanguageEdit', {
     extend: 'PVE.window.Edit',
 
@@ -67,8 +92,15 @@ Ext.define('PVE.dc.OptionView', {
 		required: true 
 	    },
 	    http_proxy: { 
-		header: 'HTTP proxy', 
-		required: true 
+		header: 'HTTP proxy',
+		editor: 'PVE.dc.HttpProxyEdit', 
+		required: true,
+		renderer: function(value) {
+		    if (!value) {
+			return "Do not use any proxy";
+		    }
+		    return value;
+		}
 	    }
 	};