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64 lines
1.8 KiB
JavaScript
64 lines
1.8 KiB
JavaScript
dojo.provide("dijit.form.NumberSpinner");
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dojo.require("dijit.form._Spinner");
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dojo.require("dijit.form.NumberTextBox");
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dojo.declare("dijit.form.NumberSpinner",
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[dijit.form._Spinner, dijit.form.NumberTextBoxMixin],
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{
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// summary:
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// Extends NumberTextBox to add up/down arrows and pageup/pagedown for incremental change to the value
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//
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// description:
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// A `dijit.form.NumberTextBox` extension to provide keyboard accessible value selection
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// as well as icons for spinning direction. When using the keyboard, the typematic rules
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// apply, meaning holding the key will gradually increarease or decrease the value and
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// accelerate.
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//
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// example:
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// | new dijit.form.NumberSpinner({ constraints:{ max:300, min:100 }}, "someInput");
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// Override required=false from ValidationTextBox
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required: true,
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adjust: function(/* Object */val, /* Number*/delta){
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// summary:
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// Change Number val by the given amount
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// tags:
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// protected
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var tc = this.constraints,
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v = isNaN(val),
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gotMax = !isNaN(tc.max),
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gotMin = !isNaN(tc.min)
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;
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if(v && delta != 0){ // blank or invalid value and they want to spin, so create defaults
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val = (delta > 0) ?
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gotMin ? tc.min : gotMax ? tc.max : 0 :
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gotMax ? this.constraints.max : gotMin ? tc.min : 0
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;
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}
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var newval = val + delta;
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if(v || isNaN(newval)){ return val; }
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if(gotMax && (newval > tc.max)){
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newval = tc.max;
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}
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if(gotMin && (newval < tc.min)){
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newval = tc.min;
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}
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return newval;
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},
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_onKeyPress: function(e){
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if((e.charOrCode == dojo.keys.HOME || e.charOrCode == dojo.keys.END) && !e.ctrlKey && !e.altKey){
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var value = this.constraints[(e.charOrCode == dojo.keys.HOME ? "min" : "max")];
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if(value){
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this._setValueAttr(value,true);
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}
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// eat home or end key whether we change the value or not
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dojo.stopEvent(e);
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}
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}
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});
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