// SpryUtils.js - version 0.2 - Spry Pre-Release 1.6
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//
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// Copyright (c) 2007. 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; if (!Spry) Spry = {}; if (!Spry.Utils) Spry.Utils = {};
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Spry.Utils.submitForm = function(form, callback, opts)
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{
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if (!form)
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return true;
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if ( typeof form == 'string' )
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form = document.getElementById(form) || document.forms[form];
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var frmOpts = {};
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frmOpts.method = form.method;
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frmOpts.url = form.action || document.location.href;
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frmOpts.enctype = form.enctype;
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Spry.Utils.setOptions(frmOpts, opts);
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var submitData = Spry.Utils.extractParamsFromForm(form, frmOpts.elements);
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if (frmOpts.additionalData)
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submitData += "&" + frmOpts.additionalData;
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if (frmOpts.enctype.toLowerCase() != 'multipart/form-data')
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{
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// Ajax submission of a form doesn't work for multipart/form-data!
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frmOpts.method = (frmOpts.method.toLowerCase() == "post") ? 'POST' : 'GET';
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if (frmOpts.method == "GET")
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{
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// Data will be submitted in the url.
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if (frmOpts.url.indexOf('?') == -1)
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frmOpts.url += '?';
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else
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frmOpts.url += '&';
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frmOpts.url += submitData;
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}
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else
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{
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// Send Content-Type header.
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if (!frmOpts.headers) frmOpts.headers = {};
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if (!frmOpts.headers['Content-Type'] || frmOpts.headers['Content-Type'].indexOf("application/x-www-form-urlencoded") ==-1 )
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frmOpts.headers['Content-Type'] = 'application/x-www-form-urlencoded';
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// Set the postData
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frmOpts.postData = submitData;
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}
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Spry.Utils.loadURL(frmOpts.method, frmOpts.url, true, callback, frmOpts);
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return false;
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}
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// Native submission when 'multipart/form-data' is used.
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return true;
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};
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Spry.Utils.extractParamsFromForm = function (form, elements)
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{
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if (!form)
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return '';
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if ( typeof form == 'string' )
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form = document.getElementById(form) || document.forms[form];
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var formElements;
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if (elements)
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formElements = ',' + elements.join(',') + ',';
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var compStack = new Array(); // key=value pairs
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var el;
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for (var i = 0; i < form.elements.length; i++ )
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{
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el = form.elements[i];
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if (el.disabled || !el.name)
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{
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// Don't submit disabled elements.
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// Don't submit elements without name.
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continue;
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}
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if (!el.type)
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{
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// It seems that this element doesn't have a type set,
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// so skip it.
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continue;
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}
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if (formElements && formElements.indexOf(',' + el.name + ',')==-1)
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continue;
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switch(el.type.toLowerCase())
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{
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case 'text':
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case 'password':
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case 'textarea':
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case 'hidden':
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case 'submit':
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compStack.push(encodeURIComponent(el.name) + '=' + encodeURIComponent(el.value));
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break;
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case 'select-one':
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var value = '';
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var opt;
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if (el.selectedIndex >= 0) {
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opt = el.options[el.selectedIndex];
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value = opt.value || opt.text;
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}
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compStack.push(encodeURIComponent(el.name) + '=' + encodeURIComponent(value));
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break;
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case 'select-multiple':
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for (var j = 0; j < el.length; j++)
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{
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if (el.options[j].selected)
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{
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value = el.options[j].value || el.options[j].text;
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compStack.push(encodeURIComponent(el.name) + '=' + encodeURIComponent(value));
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}
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}
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break;
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case 'checkbox':
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case 'radio':
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if (el.checked)
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compStack.push(encodeURIComponent(el.name) + '=' + encodeURIComponent(el.value));
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break;
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default:
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// file, button, reset
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break;
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}
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}
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return compStack.join('&');
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};
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