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-rw-r--r--src/Scope.js295
1 files changed, 147 insertions, 148 deletions
diff --git a/src/Scope.js b/src/Scope.js
index f4b34c3c..dcc50007 100644
--- a/src/Scope.js
+++ b/src/Scope.js
@@ -1,6 +1,4 @@
-// Copyright (C) 2009 BRAT Tech LLC
-
-Scope = function(initialState, name) {
+function Scope(initialState, name) {
this.widgets = [];
this.watchListeners = {};
this.name = name;
@@ -15,31 +13,6 @@ Scope = function(initialState, name) {
};
Scope.expressionCache = {};
-
-Scope.prototype.updateView = function() {
- var self = this;
- this.fireWatchers();
- _.each(this.widgets, function(widget){
- self.evalWidget(widget, "", {}, function(){
- this.updateView(self);
- });
- });
-};
-
-Scope.prototype.addWidget = function(controller) {
- if (controller) this.widgets.push(controller);
-};
-
-Scope.prototype.isProperty = function(exp) {
- for ( var i = 0; i < exp.length; i++) {
- var ch = exp.charAt(i);
- if (ch!='.' && !Lexer.prototype.isIdent(ch)) {
- return false;
- }
- }
- return true;
-};
-
Scope.getter = function(instance, path) {
if (!path) return instance;
var element = path.split('.');
@@ -70,129 +43,155 @@ Scope.getter = function(instance, path) {
return instance;
};
-Scope.prototype.get = function(path) {
- return Scope.getter(this.state, path);
-};
-
-Scope.prototype.set = function(path, value) {
- var element = path.split('.');
- var instance = this.state;
- for ( var i = 0; element.length > 1; i++) {
- var key = element.shift();
- var newInstance = instance[key];
- if (!newInstance) {
- newInstance = {};
- instance[key] = newInstance;
+Scope.prototype = {
+ updateView: function() {
+ var self = this;
+ this.fireWatchers();
+ _.each(this.widgets, function(widget){
+ self.evalWidget(widget, "", {}, function(){
+ this.updateView(self);
+ });
+ });
+ },
+
+ addWidget: function(controller) {
+ if (controller) this.widgets.push(controller);
+ },
+
+ isProperty: function(exp) {
+ for ( var i = 0; i < exp.length; i++) {
+ var ch = exp.charAt(i);
+ if (ch!='.' && !Lexer.prototype.isIdent(ch)) {
+ return false;
+ }
}
- instance = newInstance;
- }
- instance[element.shift()] = value;
- return value;
-};
-
-Scope.prototype.setEval = function(expressionText, value) {
- this.eval(expressionText + "=" + toJson(value));
-};
-
-Scope.prototype.eval = function(expressionText, context) {
- var expression = Scope.expressionCache[expressionText];
- if (!expression) {
- var parser = new Parser(expressionText);
- expression = parser.statements();
- parser.assertAllConsumed();
- Scope.expressionCache[expressionText] = expression;
- }
- context = context || {};
- context.scope = this;
- return expression(context);
-};
-
-//TODO: Refactor. This function needs to be an execution closure for widgets
-// move to widgets
-// remove expression, just have inner closure.
-Scope.prototype.evalWidget = function(widget, expression, context, onSuccess, onFailure) {
- try {
- var value = this.eval(expression, context);
- if (widget.hasError) {
- widget.hasError = false;
- jQuery(widget.view).
- removeClass('ng-exception').
- removeAttr('ng-error');
+ return true;
+ },
+
+ get: function(path) {
+ return Scope.getter(this.state, path);
+ },
+
+ set: function(path, value) {
+ var element = path.split('.');
+ var instance = this.state;
+ for ( var i = 0; element.length > 1; i++) {
+ var key = element.shift();
+ var newInstance = instance[key];
+ if (!newInstance) {
+ newInstance = {};
+ instance[key] = newInstance;
+ }
+ instance = newInstance;
}
- if (onSuccess) {
- value = onSuccess.apply(widget, [value]);
+ instance[element.shift()] = value;
+ return value;
+ },
+
+ setEval: function(expressionText, value) {
+ this.eval(expressionText + "=" + toJson(value));
+ },
+
+ eval: function(expressionText, context) {
+ var expression = Scope.expressionCache[expressionText];
+ if (!expression) {
+ var parser = new Parser(expressionText);
+ expression = parser.statements();
+ parser.assertAllConsumed();
+ Scope.expressionCache[expressionText] = expression;
}
- return true;
- } catch (e){
- error('Eval Widget Error:', e);
- var jsonError = toJson(e, true);
- widget.hasError = true;
- jQuery(widget.view).
- addClass('ng-exception').
- attr('ng-error', jsonError);
- if (onFailure) {
- onFailure.apply(widget, [e, jsonError]);
+ context = context || {};
+ context.scope = this;
+ return expression(context);
+ },
+
+ //TODO: Refactor. This function needs to be an execution closure for widgets
+ // move to widgets
+ // remove expression, just have inner closure.
+ evalWidget: function(widget, expression, context, onSuccess, onFailure) {
+ try {
+ var value = this.eval(expression, context);
+ if (widget.hasError) {
+ widget.hasError = false;
+ jQuery(widget.view).
+ removeClass('ng-exception').
+ removeAttr('ng-error');
+ }
+ if (onSuccess) {
+ value = onSuccess.apply(widget, [value]);
+ }
+ return true;
+ } catch (e){
+ error('Eval Widget Error:', e);
+ var jsonError = toJson(e, true);
+ widget.hasError = true;
+ jQuery(widget.view).
+ addClass('ng-exception').
+ attr('ng-error', jsonError);
+ if (onFailure) {
+ onFailure.apply(widget, [e, jsonError]);
+ }
+ return false;
}
- return false;
- }
-};
-
-Scope.prototype.validate = function(expressionText, value) {
- var expression = Scope.expressionCache[expressionText];
- if (!expression) {
- expression = new Parser(expressionText).validator();
- Scope.expressionCache[expressionText] = expression;
- }
- var self = {scope:this};
- return expression(self)(self, value);
-};
-
-Scope.prototype.entity = function(entityDeclaration) {
- var expression = new Parser(entityDeclaration).entityDeclaration();
- return expression({scope:this});
-};
-
-Scope.prototype.markInvalid = function(widget) {
- this.state.$invalidWidgets.push(widget);
-};
-
-Scope.prototype.watch = function(declaration) {
- var self = this;
- new Parser(declaration).watch()({
- scope:this,
- addListener:function(watch, exp){
- self.addWatchListener(watch, function(n,o){
- try {
- return exp({scope:self}, n, o);
- } catch(e) {
- alert(e);
- }
- });
+ },
+
+ validate: function(expressionText, value) {
+ var expression = Scope.expressionCache[expressionText];
+ if (!expression) {
+ expression = new Parser(expressionText).validator();
+ Scope.expressionCache[expressionText] = expression;
}
- });
-};
-
-Scope.prototype.addWatchListener = function(watchExpression, listener) {
- var watcher = this.watchListeners[watchExpression];
- if (!watcher) {
- watcher = {listeners:[], expression:watchExpression};
- this.watchListeners[watchExpression] = watcher;
- }
- watcher.listeners.push(listener);
-};
-
-Scope.prototype.fireWatchers = function() {
- var self = this;
- var fired = false;
- foreach(this.watchListeners, function(watcher) {
- var value = self.eval(watcher.expression);
- if (value !== watcher.lastValue) {
- foreach(watcher.listeners, function(listener){
- listener(value, watcher.lastValue);
- fired = true;
- });
- watcher.lastValue = value;
+ var self = {scope:this};
+ return expression(self)(self, value);
+ },
+
+ entity: function(entityDeclaration) {
+ var expression = new Parser(entityDeclaration).entityDeclaration();
+ return expression({scope:this});
+ },
+
+ markInvalid: function(widget) {
+ this.state.$invalidWidgets.push(widget);
+ },
+
+ watch: function(declaration) {
+ var self = this;
+ new Parser(declaration).watch()({
+ scope:this,
+ addListener:function(watch, exp){
+ self.addWatchListener(watch, function(n,o){
+ try {
+ return exp({scope:self}, n, o);
+ } catch(e) {
+ alert(e);
+ }
+ });
+ }
+ });
+ },
+
+ addWatchListener: function(watchExpression, listener) {
+ var watcher = this.watchListeners[watchExpression];
+ if (!watcher) {
+ watcher = {listeners:[], expression:watchExpression};
+ this.watchListeners[watchExpression] = watcher;
}
- });
- return fired;
-};
+ watcher.listeners.push(listener);
+ },
+
+ fireWatchers: function() {
+ var self = this;
+ var fired = false;
+ foreach(this.watchListeners, function(watcher) {
+ var value = self.eval(watcher.expression);
+ if (value !== watcher.lastValue) {
+ foreach(watcher.listeners, function(listener){
+ listener(value, watcher.lastValue);
+ fired = true;
+ });
+ watcher.lastValue = value;
+ }
+ });
+ return fired;
+ }
+}; \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-04 20:18:14 +0000