You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
tt-rss/lib/dijit/form/_TextBoxMixin.js.uncompress...

475 lines
16 KiB
JavaScript

define("dijit/form/_TextBoxMixin", [
"dojo/_base/array", // array.forEach
"dojo/_base/declare", // declare
"dojo/dom", // dom.byId
"dojo/_base/event", // event.stop
"dojo/keys", // keys.ALT keys.CAPS_LOCK keys.CTRL keys.META keys.SHIFT
"dojo/_base/lang", // lang.mixin
"dojo/on", // on
"../main" // for exporting dijit._setSelectionRange, dijit.selectInputText
], function(array, declare, dom, event, keys, lang, on, dijit){
// module:
// dijit/form/_TextBoxMixin
var _TextBoxMixin = declare("dijit.form._TextBoxMixin", null, {
// summary:
// A mixin for textbox form input widgets
// trim: Boolean
// Removes leading and trailing whitespace if true. Default is false.
trim: false,
// uppercase: Boolean
// Converts all characters to uppercase if true. Default is false.
uppercase: false,
// lowercase: Boolean
// Converts all characters to lowercase if true. Default is false.
lowercase: false,
// propercase: Boolean
// Converts the first character of each word to uppercase if true.
propercase: false,
// maxLength: String
// HTML INPUT tag maxLength declaration.
maxLength: "",
// selectOnClick: [const] Boolean
// If true, all text will be selected when focused with mouse
selectOnClick: false,
// placeHolder: String
// Defines a hint to help users fill out the input field (as defined in HTML 5).
// This should only contain plain text (no html markup).
placeHolder: "",
_getValueAttr: function(){
// summary:
// Hook so get('value') works as we like.
// description:
// For `dijit/form/TextBox` this basically returns the value of the `<input>`.
//
// For `dijit/form/MappedTextBox` subclasses, which have both
// a "displayed value" and a separate "submit value",
// This treats the "displayed value" as the master value, computing the
// submit value from it via this.parse().
return this.parse(this.get('displayedValue'), this.constraints);
},
_setValueAttr: function(value, /*Boolean?*/ priorityChange, /*String?*/ formattedValue){
// summary:
// Hook so set('value', ...) works.
//
// description:
// Sets the value of the widget to "value" which can be of
// any type as determined by the widget.
//
// value:
// The visual element value is also set to a corresponding,
// but not necessarily the same, value.
//
// formattedValue:
// If specified, used to set the visual element value,
// otherwise a computed visual value is used.
//
// priorityChange:
// If true, an onChange event is fired immediately instead of
// waiting for the next blur event.
var filteredValue;
if(value !== undefined){
// TODO: this is calling filter() on both the display value and the actual value.
// I added a comment to the filter() definition about this, but it should be changed.
filteredValue = this.filter(value);
if(typeof formattedValue != "string"){
if(filteredValue !== null && ((typeof filteredValue != "number") || !isNaN(filteredValue))){
formattedValue = this.filter(this.format(filteredValue, this.constraints));
}else{ formattedValue = ''; }
}
}
if(formattedValue != null /* and !undefined */ && ((typeof formattedValue) != "number" || !isNaN(formattedValue)) && this.textbox.value != formattedValue){
this.textbox.value = formattedValue;
this._set("displayedValue", this.get("displayedValue"));
}
if(this.textDir == "auto"){
this.applyTextDir(this.focusNode, formattedValue);
}
this.inherited(arguments, [filteredValue, priorityChange]);
},
// displayedValue: String
// For subclasses like ComboBox where the displayed value
// (ex: Kentucky) and the serialized value (ex: KY) are different,
// this represents the displayed value.
//
// Setting 'displayedValue' through set('displayedValue', ...)
// updates 'value', and vice-versa. Otherwise 'value' is updated
// from 'displayedValue' periodically, like onBlur etc.
//
// TODO: move declaration to MappedTextBox?
// Problem is that ComboBox references displayedValue,
// for benefit of FilteringSelect.
displayedValue: "",
_getDisplayedValueAttr: function(){
// summary:
// Hook so get('displayedValue') works.
// description:
// Returns the displayed value (what the user sees on the screen),
// after filtering (ie, trimming spaces etc.).
//
// For some subclasses of TextBox (like ComboBox), the displayed value
// is different from the serialized value that's actually
// sent to the server (see `dijit/form/ValidationTextBox.serialize()`)
// TODO: maybe we should update this.displayedValue on every keystroke so that we don't need
// this method
// TODO: this isn't really the displayed value when the user is typing
return this.filter(this.textbox.value);
},
_setDisplayedValueAttr: function(/*String*/ value){
// summary:
// Hook so set('displayedValue', ...) works.
// description:
// Sets the value of the visual element to the string "value".
// The widget value is also set to a corresponding,
// but not necessarily the same, value.
if(value == null /* or undefined */){ value = '' }
else if(typeof value != "string"){ value = String(value) }
this.textbox.value = value;
// sets the serialized value to something corresponding to specified displayedValue
// (if possible), and also updates the textbox.value, for example converting "123"
// to "123.00"
this._setValueAttr(this.get('value'), undefined);
this._set("displayedValue", this.get('displayedValue'));
// textDir support
if(this.textDir == "auto"){
this.applyTextDir(this.focusNode, value);
}
},
format: function(value /*=====, constraints =====*/){
// summary:
// Replaceable function to convert a value to a properly formatted string.
// value: String
// constraints: Object
// tags:
// protected extension
return value == null /* or undefined */ ? "" : (value.toString ? value.toString() : value);
},
parse: function(value /*=====, constraints =====*/){
// summary:
// Replaceable function to convert a formatted string to a value
// value: String
// constraints: Object
// tags:
// protected extension
return value; // String
},
_refreshState: function(){
// summary:
// After the user types some characters, etc., this method is
// called to check the field for validity etc. The base method
// in `dijit/form/TextBox` does nothing, but subclasses override.
// tags:
// protected
},
/*=====
onInput: function(event){
// summary:
// Connect to this function to receive notifications of various user data-input events.
// Return false to cancel the event and prevent it from being processed.
// event:
// keydown | keypress | cut | paste | input
// tags:
// callback
},
=====*/
onInput: function(){},
__skipInputEvent: false,
_onInput: function(/*Event*/ evt){
// summary:
// Called AFTER the input event has happened
// set text direction according to textDir that was defined in creation
if(this.textDir == "auto"){
this.applyTextDir(this.focusNode, this.focusNode.value);
}
this._processInput(evt);
},
_processInput: function(/*Event*/ evt){
// summary:
// Default action handler for user input events
this._refreshState();
// In case someone is watch()'ing for changes to displayedValue
this._set("displayedValue", this.get("displayedValue"));
},
postCreate: function(){
// setting the value here is needed since value="" in the template causes "undefined"
// and setting in the DOM (instead of the JS object) helps with form reset actions
this.textbox.setAttribute("value", this.textbox.value); // DOM and JS values should be the same
this.inherited(arguments);
// normalize input events to reduce spurious event processing
// onkeydown: do not forward modifier keys
// set charOrCode to numeric keycode
// onkeypress: do not forward numeric charOrCode keys (already sent through onkeydown)
// onpaste & oncut: set charOrCode to 229 (IME)
// oninput: if primary event not already processed, set charOrCode to 229 (IME), else do not forward
var handleEvent = function(e){
var charOrCode;
if(e.type == "keydown"){
charOrCode = e.keyCode;
switch(charOrCode){ // ignore state keys
case keys.SHIFT:
case keys.ALT:
case keys.CTRL:
case keys.META:
case keys.CAPS_LOCK:
case keys.NUM_LOCK:
case keys.SCROLL_LOCK:
return;
}
if(!e.ctrlKey && !e.metaKey && !e.altKey){ // no modifiers
switch(charOrCode){ // ignore location keys
case keys.NUMPAD_0:
case keys.NUMPAD_1:
case keys.NUMPAD_2:
case keys.NUMPAD_3:
case keys.NUMPAD_4:
case keys.NUMPAD_5:
case keys.NUMPAD_6:
case keys.NUMPAD_7:
case keys.NUMPAD_8:
case keys.NUMPAD_9:
case keys.NUMPAD_MULTIPLY:
case keys.NUMPAD_PLUS:
case keys.NUMPAD_ENTER:
case keys.NUMPAD_MINUS:
case keys.NUMPAD_PERIOD:
case keys.NUMPAD_DIVIDE:
return;
}
if((charOrCode >= 65 && charOrCode <= 90) || (charOrCode >= 48 && charOrCode <= 57) || charOrCode == keys.SPACE){
return; // keypress will handle simple non-modified printable keys
}
var named = false;
for(var i in keys){
if(keys[i] === e.keyCode){
named = true;
break;
}
}
if(!named){ return; } // only allow named ones through
}
}
charOrCode = e.charCode >= 32 ? String.fromCharCode(e.charCode) : e.charCode;
if(!charOrCode){
charOrCode = (e.keyCode >= 65 && e.keyCode <= 90) || (e.keyCode >= 48 && e.keyCode <= 57) || e.keyCode == keys.SPACE ? String.fromCharCode(e.keyCode) : e.keyCode;
}
if(!charOrCode){
charOrCode = 229; // IME
}
if(e.type == "keypress"){
if(typeof charOrCode != "string"){ return; }
if((charOrCode >= 'a' && charOrCode <= 'z') || (charOrCode >= 'A' && charOrCode <= 'Z') || (charOrCode >= '0' && charOrCode <= '9') || (charOrCode === ' ')){
if(e.ctrlKey || e.metaKey || e.altKey){ return; } // can only be stopped reliably in keydown
}
}
if(e.type == "input"){
if(this.__skipInputEvent){ // duplicate event
this.__skipInputEvent = false;
return;
}
}else{
this.__skipInputEvent = true;
}
// create fake event to set charOrCode and to know if preventDefault() was called
var faux = { faux: true }, attr;
for(attr in e){
if(attr != "layerX" && attr != "layerY"){ // prevent WebKit warnings
var v = e[attr];
if(typeof v != "function" && typeof v != "undefined"){ faux[attr] = v; }
}
}
lang.mixin(faux, {
charOrCode: charOrCode,
_wasConsumed: false,
preventDefault: function(){
faux._wasConsumed = true;
e.preventDefault();
},
stopPropagation: function(){ e.stopPropagation(); }
});
// give web page author a chance to consume the event
//console.log(faux.type + ', charOrCode = (' + (typeof charOrCode) + ') ' + charOrCode + ', ctrl ' + !!faux.ctrlKey + ', alt ' + !!faux.altKey + ', meta ' + !!faux.metaKey + ', shift ' + !!faux.shiftKey);
if(this.onInput(faux) === false){ // return false means stop
faux.preventDefault();
faux.stopPropagation();
}
if(faux._wasConsumed){ return; } // if preventDefault was called
this.defer(function(){ this._onInput(faux); }); // widget notification after key has posted
};
this.own(on(this.textbox, "keydown, keypress, paste, cut, input, compositionend", lang.hitch(this, handleEvent)));
},
_blankValue: '', // if the textbox is blank, what value should be reported
filter: function(val){
// summary:
// Auto-corrections (such as trimming) that are applied to textbox
// value on blur or form submit.
// description:
// For MappedTextBox subclasses, this is called twice
//
// - once with the display value
// - once the value as set/returned by set('value', ...)
//
// and get('value'), ex: a Number for NumberTextBox.
//
// In the latter case it does corrections like converting null to NaN. In
// the former case the NumberTextBox.filter() method calls this.inherited()
// to execute standard trimming code in TextBox.filter().
//
// TODO: break this into two methods in 2.0
//
// tags:
// protected extension
if(val === null){ return this._blankValue; }
if(typeof val != "string"){ return val; }
if(this.trim){
val = lang.trim(val);
}
if(this.uppercase){
val = val.toUpperCase();
}
if(this.lowercase){
val = val.toLowerCase();
}
if(this.propercase){
val = val.replace(/[^\s]+/g, function(word){
return word.substring(0,1).toUpperCase() + word.substring(1);
});
}
return val;
},
_setBlurValue: function(){
this._setValueAttr(this.get('value'), true);
},
_onBlur: function(e){
if(this.disabled){ return; }
this._setBlurValue();
this.inherited(arguments);
},
_isTextSelected: function(){
return this.textbox.selectionStart != this.textbox.selectionEnd;
},
_onFocus: function(/*String*/ by){
if(this.disabled || this.readOnly){ return; }
// Select all text on focus via click if nothing already selected.
// Since mouse-up will clear the selection, need to defer selection until after mouse-up.
// Don't do anything on focus by tabbing into the widget since there's no associated mouse-up event.
if(this.selectOnClick && by == "mouse"){
this._selectOnClickHandle = this.connect(this.domNode, "onmouseup", function(){
// Only select all text on first click; otherwise users would have no way to clear
// the selection.
this.disconnect(this._selectOnClickHandle);
this._selectOnClickHandle = null;
// Check if the user selected some text manually (mouse-down, mouse-move, mouse-up)
// and if not, then select all the text
if(!this._isTextSelected()){
_TextBoxMixin.selectInputText(this.textbox);
}
});
// in case the mouseup never comes
this.defer(function(){
if(this._selectOnClickHandle){
this.disconnect(this._selectOnClickHandle);
this._selectOnClickHandle = null;
}
}, 500); // if mouseup not received soon, then treat it as some gesture
}
// call this.inherited() before refreshState(), since this.inherited() will possibly scroll the viewport
// (to scroll the TextBox into view), which will affect how _refreshState() positions the tooltip
this.inherited(arguments);
this._refreshState();
},
reset: function(){
// Overrides `dijit/_FormWidget/reset()`.
// Additionally resets the displayed textbox value to ''
this.textbox.value = '';
this.inherited(arguments);
},
_setTextDirAttr: function(/*String*/ textDir){
// summary:
// Setter for textDir.
// description:
// Users shouldn't call this function; they should be calling
// set('textDir', value)
// tags:
// private
// only if new textDir is different from the old one
// and on widgets creation.
if(!this._created
|| this.textDir != textDir){
this._set("textDir", textDir);
// so the change of the textDir will take place immediately.
this.applyTextDir(this.focusNode, this.focusNode.value);
}
}
});
_TextBoxMixin._setSelectionRange = dijit._setSelectionRange = function(/*DomNode*/ element, /*Number?*/ start, /*Number?*/ stop){
if(element.setSelectionRange){
element.setSelectionRange(start, stop);
}
};
_TextBoxMixin.selectInputText = dijit.selectInputText = function(/*DomNode*/ element, /*Number?*/ start, /*Number?*/ stop){
// summary:
// Select text in the input element argument, from start (default 0), to stop (default end).
// TODO: use functions in _editor/selection.js?
element = dom.byId(element);
if(isNaN(start)){ start = 0; }
if(isNaN(stop)){ stop = element.value ? element.value.length : 0; }
try{
element.focus();
_TextBoxMixin._setSelectionRange(element, start, stop);
}catch(e){ /* squelch random errors (esp. on IE) from unexpected focus changes or DOM nodes being hidden */ }
};
return _TextBoxMixin;
});