Extjs: (TimeField) reset minValue and maxValue

Question

I have an ExtJS TimeField where I use the setMinValue(...) and setMaxValue(...) to only show the valid time-elements to the user. This works just fine, but how do I reset the minValue and maxValue so that the user can see all the time-elements again?

I don't want to clear the field, just show all the elements from the store again.

Answer 1

I don't see any "clean" way to accomplish this, but I do have a temporary workaround until you find something more suitable.

Try setting the TimeField's minValue and maxValue to undefined or null, and then call generateStore() on your TimeField:

    // private
    generateStore: function(initial){
        var min = this.minValue || new Date(this.initDate).clearTime(),
            max = this.maxValue || new Date(this.initDate).clearTime().add('mi', 
                        (24 * 60) - 1),
            times = [];

        while(min <= max){
            times.push(min.dateFormat(this.format));
            min = min.add('mi', this.increment);
        }
        this.bindStore(times, initial);
    },

Yes it is a private method, so normally you shouldn't use it, but the method would normally be called if you simply reset minValue or maxValue, so you're just skipping a step. By setting both properties to null, the declaration for var min, max = will be equal to the default. You can't go about this by calling setMinValue() or setMaxValue() because it uses a private method that attempts to parse a Date out of the value you pass to the methods (it will fail at parsing null):

    // private
    setLimit: function(value, isMin, initial){
        var d;
        // will fail here
        if(Ext.isString(value)){
            d = this.parseDate(value);
        // will fail as well
        }else if(Ext.isDate(value)){
            d = value;
        }
        // will never make it here, because 'd' wasn't set above
        if(d){
            var val = new Date(this.initDate).clearTime();
            val.setHours(d.getHours(), d.getMinutes(), d.getSeconds(),
                         d.getMilliseconds());
            this[isMin ? 'minValue' : 'maxValue'] = val;
            if(!initial){
                this.generateStore();
            }
        }
    }

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Update:

A cleaner approach would be to extend TimeField and add a resetMinAndMax method that accomplishes the above (set minValue/maxValue to null, call to generate store), or add the method in an override. That way you can avoid making calls to the "private" generateStore() everywhere.