Examples-Form-Custom.html issue and solution

[kevinzc]

In example of 1.1 and 2.0, under examples/form/custom.html
there is a nice searchable grid, it great a customized search box but when I try to test and use it, it has the following issue,
#1 initially it return all pages
#2 search (for example 'ajax') return limited pages,
#3 but when I using the pagingToolbar to page it, it return to the full search,

I study and got a little adjustment like this

From

     onTrigger1Click : function(){
        if(this.hasSearch){
            var o = {start: 0};
            o[this.paramName] = '';
            this.store.reload({params:o});
            this.el.dom.value = '';
            this.triggers[0].hide();
            this.hasSearch = false;
        }
    },

    onTrigger2Click : function(){
        var v = this.getRawValue();
        if(v.length < 1){
            this.onTrigger1Click();
            return;
        }
        var o = {start: 0};
        o[this.paramName] = v;
        this.store.reload({params:o});
        this.hasSearch = true;
        this.triggers[0].show();
    } 

To

     onTrigger1Click : function(){
        if(this.hasSearch){
            var o = {start: 0};
            o[this.paramName] = '';
            this.store.baseParams[this.paramName] = '';
            //this.store.reload({params:o});
            this.store.reload();
            this.el.dom.value = '';
            this.triggers[0].hide();
            this.hasSearch = false;
        }
    },

    onTrigger2Click : function(){
        var v = this.getRawValue();
        if(v.length < 1){
            this.onTrigger1Click();
            return;
        }
        var o = {start: 0};
        o[this.paramName] = v;
        this.store.baseParams[this.paramName] = v;
        this.store.reload();
        this.hasSearch = true;
        this.triggers[0].show();
    } 

Maybe have better ways, but this workable, hope can be helpfully.
This can be apply to 2.0 dev version as well, thanks