GroupMethods

class webix.GroupMethods()

Groupmethods mixin

Referenced by

mixins
GroupStore().

External references

Official documentation page.

Code

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webix.GroupMethods = {
    sum:function(property, data){
        data = data || this;
        var summ = 0;
        for (var i = 0; i < data.length; i++)
            summ+=property(data[i])*1;

        return summ;
    },
    min:function(property, data){
        data = data || this;
        var min = Infinity;

        for (var i = 0; i < data.length; i++)
            if (property(data[i])*1 < min) min = property(data[i])*1;

        return min*1;
    },
    max:function(property, data){
        data = data || this;
        var max = -Infinity;

        for (var i = 0; i < data.length; i++)
            if (property(data[i])*1 > max) max = property(data[i])*1;

        return max*1;
    },
    count:function(property, data){
        return data.length;
    },
    any:function(property, data){
        return property(data[0]);
    },
    string:function(property, data){
        return property.$name;
    }
};