egroupware/etemplate/js/et2_widget_textbox.js

269 lines
5.4 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(
{
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"
}
},
legacyOptions: ["size", "maxlength"],
/**
* 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"));
if(this.options.type == "passwd") {
this.input.attr("type", "password");
}
}
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.blur && this.input.val() == this.options.blur) return "";
return this._super.apply(this, arguments);
},
/**
* Set input widget size
* @param _size Rather arbitrary size units, approximately characters
*/
set_size: function(_size) {
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", _value + ""); // HTML5
if(!this.input[0].placeholder) {
// Not HTML5
if(this.input.val() == "") this.input.val(this.options.blur);
this.input.focus(this,function(e) {
if(e.data.input.val() == e.data.options.blur) e.data.input.val("");
}).blur(this, function(e) {
if(e.data.input.val() == "") e.data.input.val(e.data.options.blur);
});
}
} else {
this.input.removeAttr("placeholder");
}
}
});
et2_register_widget(et2_textbox, ["textbox", "passwd"]);
/**
* 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
},
"required": {
"ignore": true
}
},
/**
* Constructor
*
* @memberOf et2_textbox_ro
*/
init: function() {
this._super.apply(this, arguments);
this.value = "";
this.span = $j(document.createElement("span"))
.addClass("et2_textbox_ro");
this.setDOMNode(this.span[0]);
},
set_value: function(_value) {
this.value = _value;
if(!_value)
{
_value = "";
}
else
{
_value = _value.replace(/\n/g,'<br />');
}
// Use html() or the <br /> gets stripped
this.span.html(_value);
},
/**
* Code for implementing et2_IDetachedDOM
*/
getDetachedAttributes: function(_attrs)
{
_attrs.push("value");
},
getDetachedNodes: function()
{
return [this.span[0]];
},
setDetachedAttributes: function(_nodes, _values)
{
this.span = jQuery(_nodes[0]);
if(typeof _values["value"] != 'undefined')
{
this.set_value(_values["value"]);
}
}
});
et2_register_widget(et2_textbox_ro, ["textbox_ro"]);