prototype-bridge.js

1.. 需要jdom.jar和bsf.jar,否则无法跟spring整合. 2.. dwr生成的javascript函数会自动加一个回调函数的参数,如原来的函数是checkExist(String

Ext.lib.Ajax = function(){
    var createSuccess = function(cb){
         return cb.success ? function(xhr){
            cb.success.call(cb.scope||window, {
                responseText: xhr.responseText,
                responseXML : xhr.responseXML,
                argument: cb.argument
            });
         } : Ext.emptyFn;
    };
    var createFailure = function(cb){
         return cb.failure ? function(xhr){
            cb.failure.call(cb.scope||window, {
                responseText: xhr.responseText,
                responseXML : xhr.responseXML,
                argument: cb.argument
            });
         } : Ext.emptyFn;
    };
    return {
        request : function(method, uri, cb, data, options){
            var o = {
                method: method,
                parameters: data || '',
                timeout: cb.timeout,
                onSuccess: createSuccess(cb),
                onFailure: createFailure(cb)
            };
            if(options){
                if(options.headers){
                    o.requestHeaders =	options.headers;
                }
                if(options.xmlData){
                    method = 'POST';
                    o.contentType = 'text/xml';
                    o.postBody = options.xmlData;
                    delete o.parameters;
                }
                if(options.jsonData){
                    method = 'POST';
                    o.contentType = 'text/javascript';
                    o.postBody = typeof options.jsonData == 'object' ? Ext.encode(options.jsonData) : options.jsonData;
                    delete o.parameters;
                }
            }
            new Ajax.Request(uri, o);
        },

        formRequest : function(form, uri, cb, data, isUpload, sslUri){
            new Ajax.Request(uri, {
                method: Ext.getDom(form).method ||'POST',
                parameters: Form.serialize(form)+(data?'&'+data:''),
                timeout: cb.timeout,
                onSuccess: createSuccess(cb),
                onFailure: createFailure(cb)
            });
        },

        isCallInProgress : function(trans){
            return false;
        },

        abort : function(trans){
            return false;
        },
        
        serializeForm : function(form){
            return Form.serialize(form.dom||form);
        }
    };
}();


Ext.lib.Anim = function(){
    
    var easings = {
        easeOut: function(pos) {
            return 1-Math.pow(1-pos,2);
        },
        easeIn: function(pos) {
            return 1-Math.pow(1-pos,2);
        }
    };
    var createAnim = function(cb, scope){
        return {
            stop : function(skipToLast){
                this.effect.cancel();
            },

            isAnimated : function(){
                return this.effect.state == 'running';
            },

            proxyCallback : function(){
                Ext.callback(cb, scope);
            }
        };
    };
    return {
        scroll : function(el, args, duration, easing, cb, scope){
            // not supported so scroll immediately?
            var anim = createAnim(cb, scope);
            el = Ext.getDom(el);
            if(typeof args.scroll.to[0] == 'number'){
                el.scrollLeft = args.scroll.to[0];
            }
            if(typeof args.scroll.to[1] == 'number'){
                el.scrollTop = args.scroll.to[1];
            }
            anim.proxyCallback();
            return anim;
        },

        motion : function(el, args, duration, easing, cb, scope){
            return this.run(el, args, duration, easing, cb, scope);
        },

        color : function(el, args, duration, easing, cb, scope){
            return this.run(el, args, duration, easing, cb, scope);
        },

        run : function(el, args, duration, easing, cb, scope, type){
            var o = {};
            for(var k in args){
                switch(k){   // scriptaculous doesn't support, so convert these
                    case 'points':
                        var by, pts, e = Ext.fly(el, '_animrun');
                        e.position();
                        if(by = args.points.by){
                            var xy = e.getXY();
                            pts = e.translatePoints([xy[0]+by[0], xy[1]+by[1]]);
                        }else{
                            pts = e.translatePoints(args.points.to);
                        }
                        o.left = pts.left+'px';
                        o.top = pts.top+'px';
                    break;
                    case 'width':
                        o.width = args.width.to+'px';
                    break;
                    case 'height':
                        o.height = args.height.to+'px';
                    break;
                    case 'opacity':
                        o.opacity = String(args.opacity.to);
                    break;
                    default:
                        o[k] = String(args[k].to);
                    break;
                }
            }
            var anim = createAnim(cb, scope);
            anim.effect = new Effect.Morph(Ext.id(el), {
                duration: duration,
                afterFinish: anim.proxyCallback,
                transition: easings[easing] || Effect.Transitions.linear,
                style: o
            });
            return anim;
        }
    };
}();


// all lib flyweight calls use their own flyweight to prevent collisions with developer flyweights
function fly(el){
    if(!libFlyweight){
        libFlyweight = new Ext.Element.Flyweight();
    }
    libFlyweight.dom = el;
    return libFlyweight;
}
    
Ext.lib.Region = function(t, r, b, l) {
    this.top = t;
    this[1] = t;
    this.right = r;
    this.bottom = b;
    this.left = l;
    this[0] = l;
};

Ext.lib.Region.prototype = {
    contains : function(region) {
        return ( region.left   >= this.left   &&
                 region.right  <= this.right  &&
                 region.top    >= this.top    &&
                 region.bottom <= this.bottom    );

    },

    getArea : function() {
        return ( (this.bottom - this.top) * (this.right - this.left) );
    },

    intersect : function(region) {
        var t = Math.max( this.top,    region.top    );
        var r = Math.min( this.right,  region.right  );
        var b = Math.min( this.bottom, region.bottom );
        var l = Math.max( this.left,   region.left   );

        if (b >= t && r >= l) {
            return new Ext.lib.Region(t, r, b, l);
        } else {
            return null;
        }
    },
    union : function(region) {
        var t = Math.min( this.top,    region.top    );
        var r = Math.max( this.right,  region.right  );
        var b = Math.max( this.bottom, region.bottom );
        var l = Math.min( this.left,   region.left   );

        return new Ext.lib.Region(t, r, b, l);
    },

    constrainTo : function(r) {
            this.top = this.top.constrain(r.top, r.bottom);
            this.bottom = this.bottom.constrain(r.top, r.bottom);
            this.left = this.left.constrain(r.left, r.right);
            this.right = this.right.constrain(r.left, r.right);
            return this;
    },

    adjust : function(t, l, b, r){
        this.top += t;
        this.left += l;
        this.right += r;
        this.bottom += b;
        return this;
    }
};

Ext.lib.Region.getRegion = function(el) {
    var p = Ext.lib.Dom.getXY(el);

    var t = p[1];
    var r = p[0] + el.offsetWidth;
    var b = p[1] + el.offsetHeight;
    var l = p[0];

    return new Ext.lib.Region(t, r, b, l);
};

Ext.lib.Point = function(x, y) {
   if (x instanceof Array) {
      y = x[1];
      x = x[0];
   }
    this.x = this.right = this.left = this[0] = x;
    this.y = this.top = this.bottom = this[1] = y;
};

Ext.lib.Point.prototype = new Ext.lib.Region();


// prevent IE leaks
if(Ext.isIE) {
    function fnCleanUp() {
        var p = Function.prototype;
        delete p.createSequence;
        delete p.defer;
        delete p.createDelegate;
        delete p.createCallback;
        delete p.createInterceptor;

        window.detachEvent("onunload", fnCleanUp);
    }
    window.attachEvent("onunload", fnCleanUp);
}
})();