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/*
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* Register a top-level callback to the deform.load() function
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* this will be called when the DOM has finished loading. No need
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* to include the call at the end of the page.
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*/
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$(document).ready(function(){
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deform.load();
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});
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var deform_loaded = false;
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var deform = {
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callbacks: [],
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addCallback: function (oid, callback) {
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deform.callbacks.push([oid, callback]);
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},
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clearCallbacks: function () {
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deform.callbacks = [];
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},
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load: function() {
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$(function() {
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if (!deform_loaded) {
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deform.processCallbacks();
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deform.focusFirstInput();
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deform_loaded = true;
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}});
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},
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processCallbacks: function () {
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$(deform.callbacks).each(function(num, item) {
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var oid = item[0];
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var callback = item[1];
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callback(oid);
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}
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);
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deform.clearCallbacks();
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},
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addSequenceItem: function (protonode, before) {
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// - Clone the prototype node and add it before the "before" node.
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// Also ensure any callbacks are run for the widget.
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// In order to avoid breaking accessibility:
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//
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// - Find each tag within the prototype node with an id
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// that has the string ``deformField(\d+)`` within it, and modify
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// its id to have a random component.
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// - For each label referencing an change id, change the label's
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// for attribute to the new id.
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var fieldmatch = /deformField(\d+)/;
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var namematch = /(.+)?-[#]{3}/;
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var code = protonode.attr('prototype');
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var html = decodeURIComponent(code);
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var $htmlnode = $(html);
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var $idnodes = $htmlnode.find('[id]');
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var $namednodes = $htmlnode.find('[name]');
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var genid = deform.randomString(6);
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var idmap = {};
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// replace ids containing ``deformField`` and associated label for=
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// items which point at them
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$idnodes.each(function(idx, node) {
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var $node = $(node);
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var oldid = $node.attr('id');
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var newid = oldid.replace(fieldmatch, "deformField$1-" + genid);
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$node.attr('id', newid);
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idmap[oldid] = newid;
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var labelselector = 'label[for=' + oldid + ']';
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var $fornodes = $htmlnode.find(labelselector);
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$fornodes.attr('for', newid);
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});
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// replace names a containing ```deformField`` like we do for ids
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$namednodes.each(function(idx, node) {
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var $node = $(node);
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var oldname = $node.attr('name');
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var newname = oldname.replace(fieldmatch, "deformField$1-" + genid);
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$node.attr('name', newname);
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});
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$htmlnode.insertBefore(before);
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$(deform.callbacks).each(function(num, item) {
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var oid = item[0];
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var callback = item[1];
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var newid = idmap[oid];
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if (newid) {
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callback(newid);
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}
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});
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deform.clearCallbacks();
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var old_len = parseInt(before.attr('now_len')||'0', 10);
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before.attr('now_len', old_len + 1);
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// we added something to the dom, trigger a change event
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var e = jQuery.Event("change");
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$('#deform').trigger(e);
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},
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appendSequenceItem: function(node) {
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var $oid_node = $(node).closest('.deform-seq');
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var $proto_node = $oid_node.find('.deform-proto').first();
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var $before_node = $oid_node.find('.deform-insert-before').last();
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var min_len = parseInt($before_node.attr('min_len')||'0', 10);
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var max_len = parseInt($before_node.attr('max_len')||'9999', 10);
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var now_len = parseInt($before_node.attr('now_len')||'0', 10);
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var orderable = parseInt($before_node.attr('orderable')||'0', 10);
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if (now_len < max_len) {
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deform.addSequenceItem($proto_node, $before_node);
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deform.processSequenceButtons($oid_node, min_len, max_len,
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now_len + 1, orderable);
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}
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return false;
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},
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removeSequenceItem: function(clicked) {
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var $item_node = $(clicked).closest('.deform-seq-item');
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var $oid_node = $item_node.closest('.deform-seq');
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var $before_node = $oid_node.find('.deform-insert-before').last();
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var min_len = parseInt($before_node.attr('min_len')||'0', 10);
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var max_len = parseInt($before_node.attr('max_len')||'9999', 10);
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var now_len = parseInt($before_node.attr('now_len')||'0', 10);
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var orderable = parseInt($before_node.attr('orderable')||'0', 10);
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if (now_len > min_len) {
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$before_node.attr('now_len', now_len - 1);
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$item_node.remove();
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deform.processSequenceButtons($oid_node, min_len, max_len,
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now_len-1, orderable);
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}
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// we removed something from the dom, trigger a change event
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var e = jQuery.Event("change");
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$('#deform').trigger(e);
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return false;
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},
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processSequenceButtons: function(oid_node, min_len, max_len, now_len,
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orderable) {
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orderable = !!orderable; // convert to bool
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var has_multiple = now_len > 1;
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var $ul = oid_node.find('.deform-seq-container').not(oid_node.find('.deform-seq-container .deform-seq-container'));
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var $lis = $ul.find('.deform-seq-item').not($ul.find('.deform-seq-container .deform-seq-item'));
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var show_closebutton = now_len > min_len;
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var show_addbutton = now_len < max_len;
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$lis.find('.deform-close-button').not($lis.find('.deform-seq-container .deform-close-button')).toggle(show_closebutton);
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oid_node.find('.deform-seq-add').not(oid_node.find('.deform-seq-container .deform-seq-add')).toggle(show_addbutton);
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$lis.find('.deform-order-button').not($lis.find('.deform-seq-container .deform-order-button')).toggle(orderable && has_multiple);
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},
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focusFirstInput: function (el) {
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el = el || document.body;
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var input = $(el).find(':input')
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.filter('[id ^= deformField]')
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.filter('[type != hidden]')
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.first();
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if (input) {
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var raw = input.get(0);
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if (raw) {
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if (raw.type === 'text' || raw.type === 'file' ||
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raw.type == 'password' || raw.type == 'text' ||
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raw.type == 'textarea') {
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if (!input.hasClass("hasDatepicker")) {
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input.focus();
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}
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}
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}
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}
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},
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randomString: function (length) {
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var chr='0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz';
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chr = chr.split('');
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if (! length) {
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length = Math.floor(Math.random() * chr.length);
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}
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var str = '';
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for (var i = 0; i < length; i++) {
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str += chr[Math.floor(Math.random() * chr.length)];
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}
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return str;
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}
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};
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