// SpryValidationSelect.js - version 0.10 - Spry Pre-Release 1.6
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//
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// Copyright (c) 2006. Adobe Systems Incorporated.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of Adobe Systems Incorporated nor the names of its
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// contributors may be used to endorse or promote products derived from this
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// software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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var Spry;
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if (!Spry) Spry = {};
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if (!Spry.Widget) Spry.Widget = {};
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Spry.Widget.ValidationSelect = function(element, opts)
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{
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this.init(element);
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Spry.Widget.Utils.setOptions(this, opts);
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// set validateOn flags
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var validateOn = ['submit'].concat(this.validateOn || []);
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validateOn = validateOn.join(",");
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this.validateOn = 0 | (validateOn.indexOf('submit') != -1 ? Spry.Widget.ValidationSelect.ONSUBMIT : 0);
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this.validateOn = this.validateOn | (validateOn.indexOf('blur') != -1 ? Spry.Widget.ValidationSelect.ONBLUR : 0);
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this.validateOn = this.validateOn | (validateOn.indexOf('change') != -1 ? Spry.Widget.ValidationSelect.ONCHANGE : 0);
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if (this.additionalError)
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this.additionalError = this.getElement(this.additionalError);
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// Unfortunately in some browsers like Safari, the Stylesheets our
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// page depends on may not have been loaded at the time we are called.
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// This means we have to defer attaching our behaviors until after the
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// onload event fires, since some of our behaviors rely on dimensions
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// specified in the CSS.
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if (Spry.Widget.ValidationSelect.onloadDidFire)
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this.attachBehaviors();
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else
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Spry.Widget.ValidationSelect.loadQueue.push(this);
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};
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Spry.Widget.ValidationSelect.ONCHANGE = 1;
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Spry.Widget.ValidationSelect.ONBLUR = 2;
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Spry.Widget.ValidationSelect.ONSUBMIT = 4;
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Spry.Widget.ValidationSelect.prototype.init = function(element)
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{
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this.element = this.getElement(element);
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this.additionalError = false;
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this.selectElement = null;
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this.form = null;
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this.event_handlers = [];
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// this.element can be either the container (<span>)
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// or the <select> element, when no error messages are used.
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this.requiredClass = "selectRequiredState";
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this.invalidClass = "selectInvalidState";
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this.focusClass = "selectFocusState";
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this.validClass = "selectValidState";
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this.emptyValue = "";
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this.invalidValue = null;
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this.isRequired = true;
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this.validateOn = ["submit"]; // change, blur, submit
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// flag used to avoid cascade validation when both
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// onChange and onBlur events are used to trigger validation
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this.validatedByOnChangeEvent = false;
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};
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Spry.Widget.ValidationSelect.prototype.destroy = function() {
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if (this.event_handlers)
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for (var i=0; i<this.event_handlers.length; i++) {
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Spry.Widget.Utils.removeEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);
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}
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try { delete this.element; } catch(err) {}
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try { delete this.selectElement; } catch(err) {}
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try { delete this.form; } catch(err) {}
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try { delete this.event_handlers; } catch(err) {}
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var q = Spry.Widget.Form.onSubmitWidgetQueue;
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var qlen = q.length;
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for (var i = 0; i < qlen; i++) {
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if (q[i] == this) {
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q.splice(i, 1);
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break;
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}
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}
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};
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Spry.Widget.ValidationSelect.onloadDidFire = false;
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Spry.Widget.ValidationSelect.loadQueue = [];
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Spry.Widget.ValidationSelect.prototype.getElement = function(ele)
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{
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if (ele && typeof ele == "string")
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return document.getElementById(ele);
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return ele;
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};
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Spry.Widget.ValidationSelect.processLoadQueue = function(handler)
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{
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Spry.Widget.ValidationSelect.onloadDidFire = true;
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var q = Spry.Widget.ValidationSelect.loadQueue;
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var qlen = q.length;
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for (var i = 0; i < qlen; i++)
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q[i].attachBehaviors();
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};
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Spry.Widget.ValidationSelect.addLoadListener = function(handler)
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{
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if (typeof window.addEventListener != 'undefined')
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window.addEventListener('load', handler, false);
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else if (typeof document.addEventListener != 'undefined')
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document.addEventListener('load', handler, false);
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else if (typeof window.attachEvent != 'undefined')
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window.attachEvent('onload', handler);
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};
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Spry.Widget.ValidationSelect.addLoadListener(Spry.Widget.ValidationSelect.processLoadQueue);
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Spry.Widget.ValidationSelect.addLoadListener(function(){
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Spry.Widget.Utils.addEventListener(window, "unload", Spry.Widget.Form.destroyAll, false);
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});
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Spry.Widget.ValidationSelect.prototype.attachBehaviors = function()
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{
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// find the SELECT element inside current container
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if (this.element.nodeName == "SELECT") {
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this.selectElement = this.element;
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} else {
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this.selectElement = Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel(this.element, "SELECT");
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}
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if (this.selectElement) {
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var self = this;
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this.event_handlers = [];
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// focus
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// attach on beforeactivate instead of focus for
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// - IE 6 (to overcome this bug: setting a class name onfocus does not affect the open dropdown)
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// - IE 7 (to overcome this bug: setting a class name, closes the select)
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var focusEventName = "focus";
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var ua = navigator.userAgent.match(/msie (\d+)\./i);
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if (ua) {
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ua = parseInt(ua[1], 10);
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if (ua >= 6) {
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focusEventName = "beforeactivate";
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}
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}
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this.event_handlers.push([this.selectElement, focusEventName, function(e) { if (self.isDisabled()) return true; return self.onFocus(e); }]);
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// blur
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this.event_handlers.push([this.selectElement, "blur", function(e) { if (self.isDisabled()) return true; return self.onBlur(e); }]);
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// change
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if (this.validateOn & Spry.Widget.ValidationSelect.ONCHANGE) {
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this.event_handlers.push([this.selectElement, "change", function(e) { if (self.isDisabled()) return true; return self.onChange(e); }]);
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this.event_handlers.push([this.selectElement, "keypress", function(e) { if (self.isDisabled()) return true; return self.onChange(e); }]);
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}
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for (var i=0; i<this.event_handlers.length; i++) {
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Spry.Widget.Utils.addEventListener(this.event_handlers[i][0], this.event_handlers[i][1], this.event_handlers[i][2], false);
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}
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// submit
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this.form = Spry.Widget.Utils.getFirstParentWithNodeName(this.selectElement, "FORM");
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if (this.form) {
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// if no "onSubmit" handler has been attached to the current form, attach one
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if (!this.form.attachedSubmitHandler && !this.form.onsubmit) {
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this.form.onsubmit = function(e) { e = e || event; return Spry.Widget.Form.onSubmit(e, e.srcElement || e.currentTarget) };
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this.form.attachedSubmitHandler = true;
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}
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if (!this.form.attachedResetHandler) {
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Spry.Widget.Utils.addEventListener(this.form, "reset", function(e) { e = e || event; return Spry.Widget.Form.onReset(e, e.srcElement || e.currentTarget) }, false);
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this.form.attachedResetHandler = true;
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}
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// add the currrent widget to the "onSubmit" check queue;
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Spry.Widget.Form.onSubmitWidgetQueue.push(this);
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}
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}
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};
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Spry.Widget.ValidationSelect.prototype.addClassName = function(ele, className)
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{
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if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))
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return;
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ele.className += (ele.className ? " " : "") + className;
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};
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Spry.Widget.ValidationSelect.prototype.removeClassName = function(ele, className)
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{
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if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
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return;
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ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
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};
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Spry.Widget.ValidationSelect.prototype.onFocus = function(e)
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{
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this.hasFocus = true;
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this.validatedByOnChangeEvent = false;
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this.addClassName(this.element, this.focusClass);
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this.addClassName(this.additionalError, this.focusClass);
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};
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Spry.Widget.ValidationSelect.prototype.onBlur = function(e)
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{
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this.hasFocus = false;
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var doValidation = false;
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if (this.validateOn & Spry.Widget.ValidationSelect.ONBLUR)
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doValidation = true;
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if (doValidation && !this.validatedByOnChangeEvent)
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this.validate();
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this.removeClassName(this.element, this.focusClass);
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this.removeClassName(this.additionalError, this.focusClass);
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};
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Spry.Widget.ValidationSelect.prototype.onChange = function(e)
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{
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this.hasFocus = false;
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this.validate();
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this.validatedByOnChangeEvent = true;
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};
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Spry.Widget.ValidationSelect.prototype.reset = function() {
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this.removeClassName(this.element, this.requiredClass);
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this.removeClassName(this.element, this.invalidClass);
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this.removeClassName(this.element, this.validClass);
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this.removeClassName(this.additionalError, this.requiredClass);
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this.removeClassName(this.additionalError, this.invalidClass);
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this.removeClassName(this.additionalError, this.validClass);
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};
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Spry.Widget.ValidationSelect.prototype.validate = function() {
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this.reset();
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// check isRequired
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if (this.isRequired) {
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// there are no options, or no option has been selected
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if (this.selectElement.options.length == 0 || this.selectElement.selectedIndex == -1) {
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this.addClassName(this.element, this.requiredClass);
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this.addClassName(this.additionalError, this.requiredClass);
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return false;
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}
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// the current selected option has no "value" attribute
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// when no value is set, browsers implement different behaviour for the value property
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// IE: value = blank string ("")
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// FF, Opera: value = option text
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if (this.selectElement.options[this.selectElement.selectedIndex].getAttribute("value") == null) {
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this.addClassName(this.element, this.requiredClass);
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this.addClassName(this.additionalError, this.requiredClass);
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return false;
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}
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// the current selected option has blank string ("") value
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if (this.selectElement.options[this.selectElement.selectedIndex].value == this.emptyValue) {
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this.addClassName(this.element, this.requiredClass);
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this.addClassName(this.additionalError, this.requiredClass);
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return false;
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}
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// the current selected option has "disabled" attribute
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// IE 6 allows to select such options
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if (this.selectElement.options[this.selectElement.selectedIndex].disabled) {
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this.addClassName(this.element, this.requiredClass);
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this.addClassName(this.additionalError, this.requiredClass);
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return false;
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}
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}
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if (this.invalidValue) {
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if (this.selectElement.options.length > 0 &&
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this.selectElement.selectedIndex != -1 &&
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this.selectElement.options[this.selectElement.selectedIndex].value == this.invalidValue) {
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this.addClassName(this.element, this.invalidClass);
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this.addClassName(this.additionalError, this.invalidClass);
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return false;
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}
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}
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this.addClassName(this.element, this.validClass);
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this.addClassName(this.additionalError, this.validClass);
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return true;
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};
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Spry.Widget.ValidationSelect.prototype.isDisabled = function() {
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return this.selectElement.disabled;
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};
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//////////////////////////////////////////////////////////////////////
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//
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// Spry.Widget.Form - common for all widgets
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//
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//////////////////////////////////////////////////////////////////////
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if (!Spry.Widget.Form) Spry.Widget.Form = {};
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if (!Spry.Widget.Form.onSubmitWidgetQueue) Spry.Widget.Form.onSubmitWidgetQueue = [];
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if (!Spry.Widget.Form.validate) {
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Spry.Widget.Form.validate = function(vform) {
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var isValid = true;
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var isElementValid = true;
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var q = Spry.Widget.Form.onSubmitWidgetQueue;
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var qlen = q.length;
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for (var i = 0; i < qlen; i++) {
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if (!q[i].isDisabled() && q[i].form == vform) {
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isElementValid = q[i].validate();
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isValid = isElementValid && isValid;
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}
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}
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return isValid;
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}
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};
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if (!Spry.Widget.Form.onSubmit) {
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Spry.Widget.Form.onSubmit = function(e, form)
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{
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if (Spry.Widget.Form.validate(form) == false) {
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return false;
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}
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return true;
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};
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};
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if (!Spry.Widget.Form.onReset) {
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Spry.Widget.Form.onReset = function(e, vform)
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{
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var q = Spry.Widget.Form.onSubmitWidgetQueue;
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var qlen = q.length;
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for (var i = 0; i < qlen; i++) {
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if (!q[i].isDisabled() && q[i].form == vform && typeof(q[i].reset) == 'function') {
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q[i].reset();
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}
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}
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return true;
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};
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};
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if (!Spry.Widget.Form.destroy) {
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Spry.Widget.Form.destroy = function(form)
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{
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var q = Spry.Widget.Form.onSubmitWidgetQueue;
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for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
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if (q[i].form == form && typeof(q[i].destroy) == 'function') {
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q[i].destroy();
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i--;
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}
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}
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}
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};
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if (!Spry.Widget.Form.destroyAll) {
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Spry.Widget.Form.destroyAll = function()
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{
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var q = Spry.Widget.Form.onSubmitWidgetQueue;
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for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
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if (typeof(q[i].destroy) == 'function') {
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q[i].destroy();
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i--;
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}
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}
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}
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};
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//////////////////////////////////////////////////////////////////////
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//
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// Spry.Widget.Utils
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//
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//////////////////////////////////////////////////////////////////////
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if (!Spry.Widget.Utils) Spry.Widget.Utils = {};
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Spry.Widget.Utils.setOptions = function(obj, optionsObj, ignoreUndefinedProps)
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{
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if (!optionsObj)
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return;
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for (var optionName in optionsObj)
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{
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if (ignoreUndefinedProps && optionsObj[optionName] == undefined)
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continue;
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obj[optionName] = optionsObj[optionName];
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}
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};
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Spry.Widget.Utils.getFirstChildWithNodeNameAtAnyLevel = function(node, nodeName)
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{
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var elements = node.getElementsByTagName(nodeName);
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if (elements) {
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return elements[0];
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}
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return null;
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};
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Spry.Widget.Utils.getFirstParentWithNodeName = function(node, nodeName)
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{
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while (node.parentNode
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&& node.parentNode.nodeName.toLowerCase() != nodeName.toLowerCase()
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&& node.parentNode.nodeName != 'BODY') {
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node = node.parentNode;
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}
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if (node.parentNode && node.parentNode.nodeName.toLowerCase() == nodeName.toLowerCase()) {
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return node.parentNode;
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} else {
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return null;
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}
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};
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Spry.Widget.Utils.destroyWidgets = function (container)
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{
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if (typeof container == 'string') {
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container = document.getElementById(container);
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}
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var q = Spry.Widget.Form.onSubmitWidgetQueue;
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for (var i = 0; i < Spry.Widget.Form.onSubmitWidgetQueue.length; i++) {
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if (typeof(q[i].destroy) == 'function' && Spry.Widget.Utils.contains(container, q[i].element)) {
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q[i].destroy();
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i--;
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}
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}
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};
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Spry.Widget.Utils.contains = function (who, what)
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{
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if (typeof who.contains == 'object') {
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return what && who && (who == what || who.contains(what));
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} else {
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var el = what;
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while(el) {
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if (el == who) {
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return true;
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}
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el = el.parentNode;
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}
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return false;
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}
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};
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Spry.Widget.Utils.addEventListener = function(element, eventType, handler, capture)
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{
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try
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{
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if (element.addEventListener)
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element.addEventListener(eventType, handler, capture);
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else if (element.attachEvent)
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element.attachEvent("on" + eventType, handler, capture);
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}
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catch (e) {}
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};
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Spry.Widget.Utils.removeEventListener = function(element, eventType, handler, capture)
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{
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try
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{
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if (element.removeEventListener)
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element.removeEventListener(eventType, handler, capture);
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else if (element.detachEvent)
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element.detachEvent("on" + eventType, handler, capture);
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}
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catch (e) {}
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};
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