egroupware/etemplate/js/et2_widget_textbox.js

360 lines
8.1 KiB
JavaScript

/**
* EGroupware eTemplate2 - JS Textbox object
*
* @license http://opensource.org/licenses/gpl-license.php GPL - GNU General Public License
* @package etemplate
* @subpackage api
* @link http://www.egroupware.org
* @author Andreas Stöckel
* @copyright Stylite 2011
* @version $Id$
*/
"use strict";
/*egw:uses
jquery.jquery;
et2_core_inputWidget;
et2_core_valueWidget;
*/
/**
* Class which implements the "textbox" XET-Tag
*
* @augments et2_inputWidget
*/
var et2_textbox = et2_inputWidget.extend([et2_IResizeable],
{
attributes: {
"multiline": {
"name": "multiline",
"type": "boolean",
"default": false,
"description": "If true, the textbox is a multiline edit field."
},
"size": {
"name": "Size",
"type": "integer",
"default": et2_no_init,
"description": "Field width"
},
"maxlength": {
"name": "Maximum length",
"type": "integer",
"default": et2_no_init,
"description": "Maximum number of characters allowed"
},
"blur": {
"name": "Placeholder",
"type": "string",
"default": "",
"description": "This text get displayed if an input-field is empty and does not have the input-focus (blur). It can be used to show a default value or a kind of help-text."
},
// These for multi-line
"rows": {
"name": "Rows",
"type": "integer",
"default": -1,
"description": "Multiline field height - better to use CSS"
},
"cols": {
"name": "Size",
"type": "integer",
"default": -1,
"description": "Multiline field width - better to use CSS"
},
"validator": {
"name": "Validator",
"type": "string",
"default": et2_no_init,
"description": "Perl regular expression eg. '/^[0-9][a-f]{4}$/i'"
},
"autocomplete": {
"name": "Autocomplete",
"type": "string",
"default": "",
"description": "Weither or not browser should autocomplete that field: 'on', 'off', 'default' (use attribute from form)"
}
},
legacyOptions: ["size", "maxlength", "validator"],
/**
* Constructor
*
* @memberOf et2_textbox
*/
init: function() {
this._super.apply(this, arguments);
this.input = null;
this.createInputWidget();
},
createInputWidget: function() {
if (this.options.multiline || this.options.rows > 1 || this.options.cols > 1)
{
this.input = $j(document.createElement("textarea"));
if (this.options.rows > 0)
{
this.input.attr("rows", this.options.rows);
}
if (this.options.cols > 0)
{
this.input.attr("cols", this.options.cols);
}
}
else
{
this.input = $j(document.createElement("input"));
switch(this.options.type)
{
case "passwd":
this.input.attr("type", "password");
break;
case "hidden":
this.input.attr("type", "hidden");
break;
}
if (this.options.autocomplete) this.input.attr("autocomplete", this.options.autocomplete);
}
if(this.options.size) {
this.set_size(this.options.size);
}
if(this.options.blur) {
this.set_blur(this.options.blur);
}
if(this.options.readonly) {
this.set_readonly(true);
}
this.input.addClass("et2_textbox");
this.setDOMNode(this.input[0]);
if(this.options.value)
{
this.set_value(this.options.value);
}
},
getValue: function()
{
if(this.options && this.options.blur && this.input.val() == this.options.blur) return "";
return this._super.apply(this, arguments);
},
/**
* Clientside validation using regular expression in "validator" attribute
*
* @param {array} _messages
*/
isValid: function(_messages)
{
var ok = true;
// Check input is valid
if(this.options && this.options.validator && !this.options.readonly)
{
if (typeof this.options.validator == 'string')
{
var parts = this.options.validator.split('/');
var flags = parts.pop();
if (parts.length < 2 || parts[0] !== '')
{
_messages.push(this.egw().lang("'%1' has an invalid format !!!", this.options.validator));
return false; // show invalid expression
}
parts.shift();
this.options.validator = new RegExp(parts.join('/'), flags);
}
var value = this.getValue();
if (!(ok = this.options.validator.test(value)))
{
_messages.push(this.egw().lang("'%1' has an invalid format !!!", value));
}
}
return this._super.apply(this, arguments) && ok;
},
/**
* Set input widget size
* @param _size Rather arbitrary size units, approximately characters
*/
set_size: function(_size) {
if (this.options.multiline || this.options.rows > 1 || this.options.cols > 1)
{
this.input.css('width', _size + "em");
}
else if (typeof _size != 'undefined' && _size != this.input.attr("size"))
{
this.size = _size;
this.input.attr("size", this.size);
}
},
/**
* Set maximum characters allowed
* @param _size Max characters allowed
*/
set_maxlength: function(_size) {
if (typeof _size != 'undefined' && _size != this.input.attr("maxlength"))
{
this.maxLength = _size;
this.input.attr("maxLength", this.maxLength);
}
},
/**
* Set HTML readonly attribute.
* Do not confuse this with etemplate readonly, which would use et_textbox_ro instead
* @param _readonly Boolean
*/
set_readonly: function(_readonly) {
this.input.attr("readonly", _readonly);
},
set_blur: function(_value) {
if(_value) {
this.input.attr("placeholder", this.egw().lang(_value) + ""); // HTML5
if(!this.input[0].placeholder) {
// Not HTML5
if(this.input.val() == "") this.input.val(this.egw().lang(this.options.blur));
this.input.focus(this,function(e) {
if(e.data.input.val() == e.data.egw().lang(e.data.options.blur)) e.data.input.val("");
}).blur(this, function(e) {
if(e.data.input.val() == "") e.data.input.val(e.data.egw().lang(e.data.options.blur));
});
}
} else {
if (!this.getValue()) this.input.val('');
this.input.removeAttr("placeholder");
}
this.options.blur = _value;
},
resize: function (_height)
{
if (_height && this.options.multiline)
{
// apply the ratio
_height = (this.options.resize_ratio != '')? _height * this.options.resize_ratio: _height;
if (_height != 0) this.input.height(this.input.height() + _height);
}
}
});
et2_register_widget(et2_textbox, ["textbox", "passwd", "hidden"]);
/**
* et2_textbox_ro is the dummy readonly implementation of the textbox.
*
* @augments et2_valueWidget
*/
var et2_textbox_ro = et2_valueWidget.extend([et2_IDetachedDOM],
{
/**
* Ignore all more advanced attributes.
*/
attributes: {
"multiline": {
"ignore": true
},
"maxlength": {
"ignore": true
},
"onchange": {
"ignore": true
},
"rows": {
"ignore": true
},
"cols": {
"ignore": true
},
"size": {
"ignore": true
},
"needed": {
"ignore": true
}
},
/**
* Constructor
*
* @memberOf et2_textbox_ro
*/
init: function() {
this._super.apply(this, arguments);
this.value = "";
this.span = $j(document.createElement("label"))
.addClass("et2_label");
this.value_span = $j(document.createElement("span"))
.addClass("et2_textbox_ro")
.appendTo(this.span);
this.setDOMNode(this.span[0]);
},
set_label: function(label)
{
// Remove current label
this.span.contents()
.filter(function(){ return this.nodeType == 3; }).remove();
var parts = et2_csvSplit(label, 2, "%s");
this.span.prepend(parts[0]);
this.span.append(parts[1]);
this.label = label;
},
set_value: function(_value)
{
this.value = _value;
if(!_value)
{
_value = "";
}
if (this.label !="")
{
this.span.removeClass('et2_label_empty');
}
else
{
this.span.addClass('et2_label_empty');
}
this.value_span.text(_value);
},
/**
* Code for implementing et2_IDetachedDOM
*
* @param {array} _attrs array to add further attributes to
*/
getDetachedAttributes: function(_attrs)
{
_attrs.push("value", "label");
},
getDetachedNodes: function()
{
return [this.span[0], this.value_span[0]];
},
setDetachedAttributes: function(_nodes, _values)
{
this.span = jQuery(_nodes[0]);
this.value_span = jQuery(_nodes[1]);
if(typeof _values["label"] != 'undefined')
{
this.set_label(_values["label"]);
}
if(typeof _values["value"] != 'undefined')
{
this.set_value(_values["value"]);
}
}
});
et2_register_widget(et2_textbox_ro, ["textbox_ro"]);