Ext.ns('Ext.debug');
Ext.debug.Assistant = function(){
var enabled = true;
return {
enable: function(){
enabled = true;
},
disable: function(){
enabled = false;
},
init : function(classes){
var klass,
intercept = false,
fn,
method;
Ext.each(classes, function(cls){
if(this.namespaceExists(cls.name)){
klass = this.getClass(cls.name);
method = cls.instance ? this.addInstanceCheck : this.addPrototypeCheck;
Ext.each(cls.checks, function(check){
intercept = check.intercept == true;
fn = method.call(this, klass, check.name, check.fn, check.intercept == true);
if(check.after){
check.after(fn);
}
}, this);
}
}, this);
},
namespaceExists: function(name){
var parent = window,
exists = true;
Ext.each(name.split('.'), function(n){
if(!Ext.isDefined(parent[n])){
exists = false;
return false;
}
parent = parent[n];
});
return exists;
},
getClass : function(name){
var parent = window;
Ext.each(name.split('.'), function(n){
parent = parent[n];
});
return parent;
},
warn: function(){
if(enabled && window.console){
console.warn.apply(console, arguments);
}
},
error: function(){
if(enabled && window.console){
console.error.apply(console, arguments);
}
},
addPrototypeCheck : function(cls, method, fn, intercept){
return (cls.prototype[method] = cls.prototype[method][intercept ? 'createInterceptor' : 'createSequence'](fn));
},
addInstanceCheck : function(cls, method, fn, intercept){
return (cls[method] = cls[method][intercept ? 'createInterceptor' : 'createSequence'](fn));
}
};
}();
(function(){
var A = Ext.debug.Assistant,
cls = [];
cls.push({
name: 'Ext.util.Observable',
checks: [{
name: 'addListener',
intercept: true,
fn: function(eventName, fn){
if(typeof eventName == 'object'){
var ev, o;
for(ev in eventName){
if(!this.filterOptRe.test(ev)){
o = eventName[ev];
o = o && o.fn ? o.fn : o;
if(!Ext.isFunction(o)){
A.error('Non function passed to event listener', this, ev);
return false;
}
}
}
}else{
if(!Ext.isFunction(fn)){
A.error('Non function passed to event listener', this, eventName);
}
}
},
after: function(method){
Ext.util.Observable.prototype.on = method;
}
}]
});
cls.push({
name: 'Ext.Component',
checks: [{
name: 'render',
intercept: true,
fn: function(container, position){
if(!container && !this.el){
A.error('Unable to render to container', this, container);
}
if(this.contentEl){
var el = Ext.getDom(this.contentEl);
if(!el){
A.error('Specified contentEl does not exist', this, this.contentEl);
return false;
}
}
}
}]
});
cls.push({
name: 'Ext.Container',
checks: [{
name: 'onBeforeAdd',
intercept: true,
fn: function(c){
if(c.isDestroyed){
A.warn('Adding destroyed component to container', c, this);
}
if(c.renderTo){
A.warn('Using renderTo while adding an item to a Container. You should use the add() method or put the item in the items configuration', c, this);
}
if(c.applyTo){
A.warn('Using applyTo while adding an item to a Container. You should use the add() method or put the item in the items configuration', c, this);
}
var type = this.layout.type;
if(type == 'container' || type == 'auto'){
A.warn('A non sizing layout is being used in a container that has child components. This means the child components will not be sized.', this);
}
}
},{
name: 'lookupComponent',
intercept: true,
fn: function(c){
var valid = true;
if(Ext.isEmpty(c)){
valid = false;
}
if(Ext.isString(c)){
c = Ext.ComponentMgr.get(comp);
valid = !Ext.isEmpty(c);
}
if(!valid){
A.error('Adding invalid component to container', this, c);
return false;
}
}
}]
});
cls.push({
name: 'Ext.DataView',
checks: [{
name: 'initComponent',
fn: function(){
if(!this.itemSelector){
A.error('No itemSelector specified', this);
}
}
},{
name: 'afterRender',
fn: function(){
if(!this.store){
A.error('No store attached to DataView', this);
}
}
}]
});
cls.push({
name: 'Ext.Window',
checks: [{
name: 'show',
intercept: true,
fn: function(){
if(this.isDestroyed){
A.error('Trying to show a destroyed window. If you want to reuse the window, look at the closeAction configuration.', this);
return false;
}
}
}]
});
cls.push({
name: 'Ext.grid.GridPanel',
checks: [{
name: 'initComponent',
fn: function(){
if(!this.colModel){
A.error('No column model specified for grid', this);
}
if(!this.store){
A.error('No store specified for grid', this);
}
}
}]
});
cls.push({
name: 'Ext.grid.GridView',
checks: [{
name: 'autoExpand',
intercept: true,
fn: function(){
var g = this.grid,
cm = this.cm;
if(!this.userResized && g.autoExpandColumn){
var tw = cm.getTotalWidth(false),
aw = this.grid.getGridEl().getWidth(true) - this.getScrollOffset();
if(tw != aw){
var ci = cm.getIndexById(g.autoExpandColumn);
if(ci == -1){
A.error('The autoExpandColumn does not exist in the column model', g, g.autoExpandColumn);
return false;
}
}
}
}
}]
});
cls.push({
name: 'Ext.chart.Chart',
checks: [{
name: 'initComponent',
fn: function(){
if(!this.store){
A.error('No store specified for chart', this);
}
}
}]
});
cls.push({
name: 'Ext.tree.TreePanel',
checks: [{
name: 'afterRender',
intercept: true,
fn: function(){
if(!this.root){
A.error('No root node specified for tree', this);
return false;
}
}
}]
});
cls.push({
name: 'Ext',
instance: true,
checks: [{
name: 'extend',
intercept: true,
fn: function(){
if(arguments.length == 2 && !arguments[0]){
A.error('Invalid base class passed to extend', arguments[0]);
return false;
}
if(arguments.length == 3){
if(!arguments[0]){
A.error('Invalid class to extend', arguments[0]);
return false;
}else if(!arguments[1]){
A.error('Invalid base class passed to extend', arguments[1]);
return false;
}
}
}
},{
name: 'override',
intercept: true,
fn: function(c){
if(!c){
A.error('Invalid class passed to override', c);
return false;
}
}
}]
});
cls.push({
name: 'Ext.ComponentMgr',
instance: true,
checks: [{
name: 'register',
intercept: true,
fn: function(c){
if(this.all.indexOfKey(c.id) > -1){
A.warn('A component with this id already exists', c, c.id);
}
}
},{
name: 'create',
intercept: true,
fn: function(config, defaultType){
var types = Ext.ComponentMgr.types;
if(!config.render){
if(config.xtype){
if(!types[config.xtype]){
A.error('Unknown xtype specified', config, config.xtype);
return false;
}
}else{
if(!types[defaultType]){
A.error('Unknown defaultType specified', config, defaultType);
return false;
}
}
}
}
}]
});
cls.push({
name: 'Ext.layout.FitLayout',
checks: [{
name: 'onLayout',
intercept: true,
fn: function(){
var ct = this.container;
if(ct.items.getCount() > 1){
A.warn('More than 1 item in the container. A fit layout will only display a single item.', ct);
}
}
}]
});
if(Ext.BLANK_IMAGE_URL == 'http:/' + '/www.extjs.com/s.gif'){
A.warn('You should set the Ext.BLANK_IMAGE_URL to reference a local copy.');
}
A.init(cls);
})();