427 lines
15 KiB
JavaScript
427 lines
15 KiB
JavaScript
/*
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Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
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Available via Academic Free License >= 2.1 OR the modified BSD license.
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see: http://dojotoolkit.org/license for details
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*/
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if(!dojo._hasResource["dijit.form.TextBox"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
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dojo._hasResource["dijit.form.TextBox"] = true;
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dojo.provide("dijit.form.TextBox");
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dojo.require("dijit.form._FormWidget");
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dojo.declare(
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"dijit.form.TextBox",
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dijit.form._FormValueWidget,
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{
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// summary:
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// A base class for textbox form inputs
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// trim: Boolean
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// Removes leading and trailing whitespace if true. Default is false.
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trim: false,
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// uppercase: Boolean
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// Converts all characters to uppercase if true. Default is false.
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uppercase: false,
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// lowercase: Boolean
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// Converts all characters to lowercase if true. Default is false.
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lowercase: false,
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// propercase: Boolean
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// Converts the first character of each word to uppercase if true.
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propercase: false,
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// maxLength: String
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// HTML INPUT tag maxLength declaration.
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maxLength: "",
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// selectOnClick: [const] Boolean
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// If true, all text will be selected when focused with mouse
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selectOnClick: false,
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// placeHolder: String
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// Defines a hint to help users fill out the input field (as defined in HTML 5).
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// This should only contain plain text (no html markup).
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placeHolder: "",
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templateString: dojo.cache("dijit.form", "templates/TextBox.html", "<div class=\"dijit dijitReset dijitInline dijitLeft\" id=\"widget_${id}\" role=\"presentation\"\n\t><div class=\"dijitReset dijitInputField dijitInputContainer\"\n\t\t><input class=\"dijitReset dijitInputInner\" dojoAttachPoint='textbox,focusNode' autocomplete=\"off\"\n\t\t\t${!nameAttrSetting} type='${type}'\n\t/></div\n></div>\n"),
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_singleNodeTemplate: '<input class="dijit dijitReset dijitLeft dijitInputField" dojoAttachPoint="textbox,focusNode" autocomplete="off" type="${type}" ${!nameAttrSetting} />',
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_buttonInputDisabled: dojo.isIE ? "disabled" : "", // allows IE to disallow focus, but Firefox cannot be disabled for mousedown events
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baseClass: "dijitTextBox",
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attributeMap: dojo.delegate(dijit.form._FormValueWidget.prototype.attributeMap, {
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maxLength: "focusNode"
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}),
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postMixInProperties: function(){
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var type = this.type.toLowerCase();
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if(this.templateString && this.templateString.toLowerCase() == "input" || ((type == "hidden" || type == "file") && this.templateString == dijit.form.TextBox.prototype.templateString)){
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this.templateString = this._singleNodeTemplate;
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}
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this.inherited(arguments);
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},
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_setPlaceHolderAttr: function(v){
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this._set("placeHolder", v);
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if(!this._phspan){
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this._attachPoints.push('_phspan');
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/* dijitInputField class gives placeHolder same padding as the input field
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* parent node already has dijitInputField class but it doesn't affect this <span>
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* since it's position: absolute.
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*/
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this._phspan = dojo.create('span',{className:'dijitPlaceHolder dijitInputField'},this.textbox,'after');
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}
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this._phspan.innerHTML="";
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this._phspan.appendChild(document.createTextNode(v));
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this._updatePlaceHolder();
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},
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_updatePlaceHolder: function(){
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if(this._phspan){
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this._phspan.style.display=(this.placeHolder&&!this._focused&&!this.textbox.value)?"":"none";
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}
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},
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_getValueAttr: function(){
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// summary:
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// Hook so get('value') works as we like.
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// description:
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// For `dijit.form.TextBox` this basically returns the value of the <input>.
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//
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// For `dijit.form.MappedTextBox` subclasses, which have both
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// a "displayed value" and a separate "submit value",
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// This treats the "displayed value" as the master value, computing the
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// submit value from it via this.parse().
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return this.parse(this.get('displayedValue'), this.constraints);
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},
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_setValueAttr: function(value, /*Boolean?*/ priorityChange, /*String?*/ formattedValue){
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// summary:
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// Hook so set('value', ...) works.
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//
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// description:
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// Sets the value of the widget to "value" which can be of
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// any type as determined by the widget.
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//
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// value:
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// The visual element value is also set to a corresponding,
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// but not necessarily the same, value.
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//
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// formattedValue:
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// If specified, used to set the visual element value,
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// otherwise a computed visual value is used.
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//
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// priorityChange:
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// If true, an onChange event is fired immediately instead of
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// waiting for the next blur event.
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var filteredValue;
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if(value !== undefined){
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// TODO: this is calling filter() on both the display value and the actual value.
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// I added a comment to the filter() definition about this, but it should be changed.
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filteredValue = this.filter(value);
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if(typeof formattedValue != "string"){
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if(filteredValue !== null && ((typeof filteredValue != "number") || !isNaN(filteredValue))){
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formattedValue = this.filter(this.format(filteredValue, this.constraints));
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}else{ formattedValue = ''; }
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}
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}
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if(formattedValue != null && formattedValue != undefined && ((typeof formattedValue) != "number" || !isNaN(formattedValue)) && this.textbox.value != formattedValue){
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this.textbox.value = formattedValue;
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this._set("displayedValue", this.get("displayedValue"));
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}
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this._updatePlaceHolder();
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this.inherited(arguments, [filteredValue, priorityChange]);
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},
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// displayedValue: String
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// For subclasses like ComboBox where the displayed value
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// (ex: Kentucky) and the serialized value (ex: KY) are different,
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// this represents the displayed value.
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//
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// Setting 'displayedValue' through set('displayedValue', ...)
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// updates 'value', and vice-versa. Otherwise 'value' is updated
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// from 'displayedValue' periodically, like onBlur etc.
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//
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// TODO: move declaration to MappedTextBox?
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// Problem is that ComboBox references displayedValue,
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// for benefit of FilteringSelect.
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displayedValue: "",
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getDisplayedValue: function(){
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// summary:
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// Deprecated. Use get('displayedValue') instead.
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// tags:
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// deprecated
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dojo.deprecated(this.declaredClass+"::getDisplayedValue() is deprecated. Use set('displayedValue') instead.", "", "2.0");
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return this.get('displayedValue');
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},
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_getDisplayedValueAttr: function(){
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// summary:
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// Hook so get('displayedValue') works.
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// description:
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// Returns the displayed value (what the user sees on the screen),
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// after filtering (ie, trimming spaces etc.).
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//
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// For some subclasses of TextBox (like ComboBox), the displayed value
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// is different from the serialized value that's actually
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// sent to the server (see dijit.form.ValidationTextBox.serialize)
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// TODO: maybe we should update this.displayedValue on every keystroke so that we don't need
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// this method
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// TODO: this isn't really the displayed value when the user is typing
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return this.filter(this.textbox.value);
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},
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setDisplayedValue: function(/*String*/ value){
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// summary:
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// Deprecated. Use set('displayedValue', ...) instead.
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// tags:
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// deprecated
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dojo.deprecated(this.declaredClass+"::setDisplayedValue() is deprecated. Use set('displayedValue', ...) instead.", "", "2.0");
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this.set('displayedValue', value);
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},
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_setDisplayedValueAttr: function(/*String*/ value){
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// summary:
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// Hook so set('displayedValue', ...) works.
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// description:
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// Sets the value of the visual element to the string "value".
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// The widget value is also set to a corresponding,
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// but not necessarily the same, value.
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if(value === null || value === undefined){ value = '' }
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else if(typeof value != "string"){ value = String(value) }
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this.textbox.value = value;
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// sets the serialized value to something corresponding to specified displayedValue
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// (if possible), and also updates the textbox.value, for example converting "123"
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// to "123.00"
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this._setValueAttr(this.get('value'), undefined);
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this._set("displayedValue", this.get('displayedValue'));
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},
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format: function(/*String*/ value, /*Object*/ constraints){
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// summary:
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// Replacable function to convert a value to a properly formatted string.
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// tags:
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// protected extension
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return ((value == null || value == undefined) ? "" : (value.toString ? value.toString() : value));
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},
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parse: function(/*String*/ value, /*Object*/ constraints){
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// summary:
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// Replacable function to convert a formatted string to a value
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// tags:
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// protected extension
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return value; // String
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},
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_refreshState: function(){
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// summary:
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// After the user types some characters, etc., this method is
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// called to check the field for validity etc. The base method
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// in `dijit.form.TextBox` does nothing, but subclasses override.
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// tags:
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// protected
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},
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_onInput: function(e){
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if(e && e.type && /key/i.test(e.type) && e.keyCode){
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switch(e.keyCode){
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case dojo.keys.SHIFT:
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case dojo.keys.ALT:
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case dojo.keys.CTRL:
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case dojo.keys.TAB:
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return;
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}
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}
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if(this.intermediateChanges){
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var _this = this;
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// the setTimeout allows the key to post to the widget input box
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setTimeout(function(){ _this._handleOnChange(_this.get('value'), false); }, 0);
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}
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this._refreshState();
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// In case someone is watch()'ing for changes to displayedValue
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this._set("displayedValue", this.get("displayedValue"));
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},
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postCreate: function(){
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if(dojo.isIE){ // IE INPUT tag fontFamily has to be set directly using STYLE
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// the setTimeout gives IE a chance to render the TextBox and to deal with font inheritance
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setTimeout(dojo.hitch(this, function(){
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var s = dojo.getComputedStyle(this.domNode);
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if(s){
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var ff = s.fontFamily;
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if(ff){
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var inputs = this.domNode.getElementsByTagName("INPUT");
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if(inputs){
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for(var i=0; i < inputs.length; i++){
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inputs[i].style.fontFamily = ff;
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}
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}
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}
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}
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}), 0);
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}
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// setting the value here is needed since value="" in the template causes "undefined"
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// and setting in the DOM (instead of the JS object) helps with form reset actions
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this.textbox.setAttribute("value", this.textbox.value); // DOM and JS values should be the same
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this.inherited(arguments);
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if(dojo.isMoz || dojo.isOpera){
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this.connect(this.textbox, "oninput", "_onInput");
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}else{
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this.connect(this.textbox, "onkeydown", "_onInput");
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this.connect(this.textbox, "onkeyup", "_onInput");
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this.connect(this.textbox, "onpaste", "_onInput");
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this.connect(this.textbox, "oncut", "_onInput");
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}
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},
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_blankValue: '', // if the textbox is blank, what value should be reported
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filter: function(val){
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// summary:
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// Auto-corrections (such as trimming) that are applied to textbox
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// value on blur or form submit.
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// description:
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// For MappedTextBox subclasses, this is called twice
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// - once with the display value
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// - once the value as set/returned by set('value', ...)
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// and get('value'), ex: a Number for NumberTextBox.
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//
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// In the latter case it does corrections like converting null to NaN. In
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// the former case the NumberTextBox.filter() method calls this.inherited()
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// to execute standard trimming code in TextBox.filter().
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//
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// TODO: break this into two methods in 2.0
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//
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// tags:
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// protected extension
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if(val === null){ return this._blankValue; }
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if(typeof val != "string"){ return val; }
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if(this.trim){
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val = dojo.trim(val);
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}
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if(this.uppercase){
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val = val.toUpperCase();
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}
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if(this.lowercase){
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val = val.toLowerCase();
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}
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if(this.propercase){
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val = val.replace(/[^\s]+/g, function(word){
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return word.substring(0,1).toUpperCase() + word.substring(1);
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});
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}
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return val;
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},
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_setBlurValue: function(){
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this._setValueAttr(this.get('value'), true);
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},
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_onBlur: function(e){
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if(this.disabled){ return; }
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this._setBlurValue();
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this.inherited(arguments);
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if(this._selectOnClickHandle){
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this.disconnect(this._selectOnClickHandle);
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}
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if(this.selectOnClick && dojo.isMoz){
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this.textbox.selectionStart = this.textbox.selectionEnd = undefined; // clear selection so that the next mouse click doesn't reselect
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}
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this._updatePlaceHolder();
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},
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_onFocus: function(/*String*/ by){
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if(this.disabled || this.readOnly){ return; }
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// Select all text on focus via click if nothing already selected.
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// Since mouse-up will clear the selection need to defer selection until after mouse-up.
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// Don't do anything on focus by tabbing into the widget since there's no associated mouse-up event.
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if(this.selectOnClick && by == "mouse"){
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this._selectOnClickHandle = this.connect(this.domNode, "onmouseup", function(){
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// Only select all text on first click; otherwise users would have no way to clear
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// the selection.
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this.disconnect(this._selectOnClickHandle);
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// Check if the user selected some text manually (mouse-down, mouse-move, mouse-up)
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// and if not, then select all the text
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var textIsNotSelected;
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if(dojo.isIE){
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var range = dojo.doc.selection.createRange();
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var parent = range.parentElement();
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textIsNotSelected = parent == this.textbox && range.text.length == 0;
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}else{
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textIsNotSelected = this.textbox.selectionStart == this.textbox.selectionEnd;
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}
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if(textIsNotSelected){
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dijit.selectInputText(this.textbox);
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}
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});
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}
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this._updatePlaceHolder();
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// call this.inherited() before refreshState(), since this.inherited() will possibly scroll the viewport
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// (to scroll the TextBox into view), which will affect how _refreshState() positions the tooltip
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this.inherited(arguments);
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this._refreshState();
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},
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reset: function(){
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// Overrides dijit._FormWidget.reset().
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// Additionally resets the displayed textbox value to ''
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this.textbox.value = '';
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this.inherited(arguments);
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}
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}
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);
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dijit.selectInputText = function(/*DomNode*/ element, /*Number?*/ start, /*Number?*/ stop){
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// summary:
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// Select text in the input element argument, from start (default 0), to stop (default end).
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// TODO: use functions in _editor/selection.js?
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var _window = dojo.global;
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var _document = dojo.doc;
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element = dojo.byId(element);
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if(isNaN(start)){ start = 0; }
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if(isNaN(stop)){ stop = element.value ? element.value.length : 0; }
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dijit.focus(element);
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if(_document["selection"] && dojo.body()["createTextRange"]){ // IE
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if(element.createTextRange){
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var r = element.createTextRange();
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r.collapse(true);
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r.moveStart("character", -99999); // move to 0
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r.moveStart("character", start); // delta from 0 is the correct position
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r.moveEnd("character", stop-start);
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r.select();
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}
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}else if(_window["getSelection"]){
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if(element.setSelectionRange){
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element.setSelectionRange(start, stop);
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}
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}
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};
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}
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