110 lignes
3,7 Kio
JavaScript
110 lignes
3,7 Kio
JavaScript
define("dijit/form/RangeBoundTextBox", [
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"dojo/_base/declare", // declare
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"dojo/i18n", // i18n.getLocalization
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"./MappedTextBox"
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], function(declare, i18n, MappedTextBox){
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// module:
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// dijit/form/RangeBoundTextBox
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var RangeBoundTextBox = declare("dijit.form.RangeBoundTextBox", MappedTextBox, {
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// summary:
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// Base class for textbox form widgets which defines a range of valid values.
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// rangeMessage: String
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// The message to display if value is out-of-range
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rangeMessage: "",
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/*=====
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// constraints: RangeBoundTextBox.__Constraints
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constraints: {},
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======*/
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rangeCheck: function(/*Number*/ primitive, /*dijit/form/RangeBoundTextBox.__Constraints*/ constraints){
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// summary:
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// Overridable function used to validate the range of the numeric input value.
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// tags:
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// protected
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return ("min" in constraints? (this.compare(primitive,constraints.min) >= 0) : true) &&
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("max" in constraints? (this.compare(primitive,constraints.max) <= 0) : true); // Boolean
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},
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isInRange: function(/*Boolean*/ /*===== isFocused =====*/){
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// summary:
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// Tests if the value is in the min/max range specified in constraints
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// tags:
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// protected
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return this.rangeCheck(this.get('value'), this.constraints);
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},
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_isDefinitelyOutOfRange: function(){
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// summary:
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// Returns true if the value is out of range and will remain
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// out of range even if the user types more characters
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var val = this.get('value');
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if(val == null){ return false; } // not yet valid enough to compare to
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var outOfRange = false;
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if("min" in this.constraints){
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var min = this.constraints.min;
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outOfRange = this.compare(val, ((typeof min == "number") && min >= 0 && val != 0) ? 0 : min) < 0;
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}
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if(!outOfRange && ("max" in this.constraints)){
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var max = this.constraints.max;
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outOfRange = this.compare(val, ((typeof max != "number") || max > 0) ? max : 0) > 0;
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}
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return outOfRange;
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},
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_isValidSubset: function(){
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// summary:
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// Overrides `dijit/form/ValidationTextBox._isValidSubset()`.
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// Returns true if the input is syntactically valid, and either within
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// range or could be made in range by more typing.
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return this.inherited(arguments) && !this._isDefinitelyOutOfRange();
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},
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isValid: function(/*Boolean*/ isFocused){
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// Overrides dijit/form/ValidationTextBox.isValid() to check that the value is also in range.
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return this.inherited(arguments) &&
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((this._isEmpty(this.textbox.value) && !this.required) || this.isInRange(isFocused)); // Boolean
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},
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getErrorMessage: function(/*Boolean*/ isFocused){
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// Overrides dijit/form/ValidationTextBox.getErrorMessage() to print "out of range" message if appropriate
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var v = this.get('value');
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if(v != null /* and !undefined */ && v !== '' && (typeof v != "number" || !isNaN(v)) && !this.isInRange(isFocused)){ // don't check isInRange w/o a real value
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return this.rangeMessage; // String
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}
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return this.inherited(arguments);
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},
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postMixInProperties: function(){
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this.inherited(arguments);
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if(!this.rangeMessage){
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this.messages = i18n.getLocalization("dijit.form", "validate", this.lang);
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this.rangeMessage = this.messages.rangeMessage;
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}
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},
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applyTextDir: function(/*===== element, text =====*/){
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// summary:
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// The function overridden in the _BidiSupport module,
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// originally used for setting element.dir according to this.textDir.
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// In this case does nothing.
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// element: Object
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// text: String
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// tags:
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// protected.
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}
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});
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/*=====
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RangeBoundTextBox.__Constraints = declare(null, {
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// min: Number
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// Minimum signed value. Default is -Infinity
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// max: Number
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// Maximum signed value. Default is +Infinity
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});
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=====*/
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return RangeBoundTextBox;
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});
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