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authormensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
committermensonge <mensonge@b3834d28-1941-0410-a4f8-b48e95affb8f>2008-11-13 09:49:11 +0000
commite44a7e37b6c7b5961adaffc62b9042b8d442938e (patch)
tree95b67c356e93163467db2451f2b8cce84ed5d582 /includes/js/dojox/wire/_base.js
parenta62b9742ee5e28bcec6872d88f50f25b820914f6 (diff)
downloadsemanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.gz
semanticscuttle-e44a7e37b6c7b5961adaffc62b9042b8d442938e.tar.bz2
New feature: basic Ajax suggestion for tags and implementation of Dojo toolkit
git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@151 b3834d28-1941-0410-a4f8-b48e95affb8f
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+if(!dojo._hasResource["dojox.wire._base"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
+dojo._hasResource["dojox.wire._base"] = true;
+dojo.provide("dojox.wire._base");
+
+dojox.wire._defaultWireClass = "dojox.wire.Wire";
+
+dojox.wire._wireClasses = {
+ "attribute": "dojox.wire.DataWire",
+ "path": "dojox.wire.XmlWire",
+ "children": "dojox.wire.CompositeWire",
+ "columns": "dojox.wire.TableAdapter",
+ "nodes": "dojox.wire.TreeAdapter",
+ "segments": "dojox.wire.TextAdapter"
+};
+
+dojox.wire.register = function(/*Function||String*/wireClass, /*String*/key){
+ // summary:
+ // Register a Wire class
+ // desription:
+ // The specified Wire class or a class name is registered with
+ // a key property of arguments to create a Wire
+ // wireClass:
+ // A class or full qualified class name
+ // key:
+ // A key property of arguments to create a Wire
+ if(!wireClass || !key){
+ return; //undefined
+ }
+ if(dojox.wire._wireClasses[key]){ // key already in use
+ return; //undefined
+ }
+ dojox.wire._wireClasses[key] = wireClass;
+};
+
+dojox.wire._getClass = function(/*String*/name){
+ // summary:
+ // Returns a class
+ // description:
+ // The class is loaded by dojo.require() and returned
+ // by dojo.getObject().
+ // name:
+ // A class name
+ // returns:
+ // A class
+ dojo["require"](name); // use dojo["require"] instead of dojo.require to avoid a build problem
+ return dojo.getObject(name); //Function
+};
+
+dojox.wire.create = function(/*Object*/args){
+ // summary:
+ // Create a Wire from arguments
+ // description:
+ // If 'args' specifies 'wireClass', it is used as a class or full
+ // qualified class name to create a Wire with 'args' as arguments.
+ // Otherwise, a Wire class is determined by other proeprties of 'args'
+ // checking if 'args' specifies a key property for a Wire class.
+ // If no key property found, the default Wire class is used.
+ // args:
+ // Arguments to create a Wire
+ // returns:
+ // A Wire
+ if(!args){
+ args = {};
+ }
+ var wireClass = args.wireClass;
+ if(wireClass){
+ if(dojo.isString(wireClass)){
+ wireClass = dojox.wire._getClass(wireClass);
+ }
+ }else{
+ for(var key in args){
+ if(!args[key]){
+ continue;
+ }
+ wireClass = dojox.wire._wireClasses[key];
+ if(wireClass){
+ if(dojo.isString(wireClass)){
+ wireClass = dojox.wire._getClass(wireClass);
+ dojox.wire._wireClasses[key] = wireClass;
+ }
+ break;
+ }
+ }
+ }
+ if(!wireClass){
+ if(dojo.isString(dojox.wire._defaultWireClass)){
+ dojox.wire._defaultWireClass = dojox.wire._getClass(dojox.wire._defaultWireClass);
+ }
+ wireClass = dojox.wire._defaultWireClass;
+ }
+ return new wireClass(args); //Object
+};
+
+dojox.wire.isWire = function(/*Object*/wire){
+ // summary:
+ // Check if an object is a Wire
+ // description:
+ // If the specified object is a Wire, true is returned.
+ // Otherwise, false is returned.
+ // wire:
+ // An object to check
+ // returns:
+ // True if the object is a Wire, otherwise false
+ return (wire && wire._wireClass); //Boolean
+};
+
+dojox.wire.transfer = function(/*Wire||Object*/source, /*Wire||Object*/target, /*Object?*/defaultObject, /*Object?*/defaultTargetObject){
+ // summary:
+ // Transfer a source value to a target value
+ // description:
+ // If 'source' and/or 'target' are not Wires, Wires are created with
+ // them as arguments.
+ // A value is got through the source Wire and set through the target
+ // Wire.
+ // 'defaultObject' is passed to Wires as a default root object.
+ // If 'defaultTargetObject' is specified, it is passed to the target
+ // Wire as a default root object, instead of 'defaultObject'.
+ // source:
+ // A Wire or arguments to create a Wire for a source value
+ // target:
+ // A Wire or arguments to create a Wire for a target value
+ // defaultObject:
+ // defaultTargetObject;
+ // Optional default root objects passed to Wires
+ if(!source || !target){
+ return; //undefined
+ }
+ if(!dojox.wire.isWire(source)){
+ source = dojox.wire.create(source);
+ }
+ if(!dojox.wire.isWire(target)){
+ target = dojox.wire.create(target);
+ }
+
+ var value = source.getValue(defaultObject);
+ target.setValue(value, (defaultTargetObject || defaultObject));
+};
+
+dojox.wire.connect = function(/*Object*/trigger, /*Wire||Object*/source, /*Wire||Object*/target){
+ // summary:
+ // Transfer a source value to a target value on a trigger event or
+ // topic
+ // description:
+ // If 'trigger' specifies 'topic', the topic is subscribed to transer
+ // a value on the topic.
+ // Otherwise, the event specified to 'event' of 'trigger' is listened
+ // to transfer a value.
+ // On the specified event or topic, transfer() is called with
+ // 'source', 'target' and the arguments of the event or topic (as
+ // default root objects).
+ // trigger:
+ // An event or topic to trigger a transfer
+ // source:
+ // A Wire or arguments to create a Wire for a source value
+ // target:
+ // A Wire or arguments to create a Wire for a target value
+ // returns:
+ // A connection handle for disconnect()
+ if(!trigger || !source || !target){
+ return; //undefined
+ }
+
+ var connection = {topic: trigger.topic};
+ if(trigger.topic){
+ connection.handle = dojo.subscribe(trigger.topic, function(){
+ dojox.wire.transfer(source, target, arguments);
+ });
+ }else if(trigger.event){
+ connection.handle = dojo.connect(trigger.scope, trigger.event, function(){
+ dojox.wire.transfer(source, target, arguments);
+ });
+ }
+ return connection; //Object
+};
+
+dojox.wire.disconnect = function(/*Object*/connection){
+ // summary:
+ // Remove a connection or subscription for transfer
+ // description:
+ // If 'handle' has 'topic', the topic is unsubscribed.
+ // Otherwise, the listener to an event is removed.
+ // connection:
+ // A connection handle returned by connect()
+ if(!connection || !connection.handle){
+ return; //undefined
+ }
+
+ if(connection.topic){
+ dojo.unsubscribe(connection.handle);
+ }else{
+ dojo.disconnect(connection.handle);
+ }
+};
+
+}