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683 lines
24 KiB
JavaScript
683 lines
24 KiB
JavaScript
/*
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* Tagedit - jQuery Plugin
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* The Plugin can be used to edit tags from a database the easy way
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*
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* Examples and documentation at: tagedit.webwork-albrecht.de
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*
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* License:
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* This work is licensed under a MIT License
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*
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* @licstart The following is the entire license notice for the
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* JavaScript code in this file.
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*
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* Copyright (c) 2010 Oliver Albrecht <info@webwork-albrecht.de>
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* Copyright (c) 2014 Thomas Brüderli <thomas@roundcube.net>
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*
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* Licensed under the MIT licenses
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* @licend The above is the entire license notice
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* for the JavaScript code in this file.
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*
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* @author Oliver Albrecht Mial: info@webwork-albrecht.de Twitter: @webworka
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* @version 1.5.2 (06/2014)
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* Requires: jQuery v1.4+, jQueryUI v1.8+, jQuerry.autoGrowInput
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*
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* Example of usage:
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*
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* $( "input.tag" ).tagedit();
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*
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* Possible options:
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*
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* autocompleteURL: '', // url for a autocompletion
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* deleteEmptyItems: true, // Deletes items with empty value
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* deletedPostfix: '-d', // will be put to the Items that are marked as delete
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* addedPostfix: '-a', // will be put to the Items that are choosem from the database
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* additionalListClass: '', // put a classname here if the wrapper ul shoud receive a special class
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* allowEdit: true, // Switch on/off edit entries
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* allowDelete: true, // Switch on/off deletion of entries. Will be ignored if allowEdit = false
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* allowAdd: true, // switch on/off the creation of new entries
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* direction: 'ltr' // Sets the writing direction for Outputs and Inputs
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* animSpeed: 500 // Sets the animation speed for effects
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* autocompleteOptions: {}, // Setting Options for the jquery UI Autocomplete (http://jqueryui.com/demos/autocomplete/)
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* breakKeyCodes: [ 13, 44 ], // Sets the characters to break on to parse the tags (defaults: return, comma)
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* checkNewEntriesCaseSensitive: false, // If there is a new Entry, it is checked against the autocompletion list. This Flag controlls if the check is (in-)casesensitive
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* texts: { // some texts
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* removeLinkTitle: 'Remove from list.',
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* saveEditLinkTitle: 'Save changes.',
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* deleteLinkTitle: 'Delete this tag from database.',
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* deleteConfirmation: 'Are you sure to delete this entry?',
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* deletedElementTitle: 'This Element will be deleted.',
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* breakEditLinkTitle: 'Cancel'
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* }
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*/
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(function($) {
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$.fn.tagedit = function(options) {
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/**
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* Merge Options with defaults
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*/
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options = $.extend(true, {
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// default options here
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autocompleteURL: null,
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checkToDeleteURL: null,
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deletedPostfix: '-d',
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addedPostfix: '-a',
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additionalListClass: '',
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allowEdit: true,
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allowDelete: true,
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allowAdd: true,
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direction: 'ltr',
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animSpeed: 500,
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autocompleteOptions: {
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select: function( event, ui ) {
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$(this).val(ui.item.value).trigger('transformToTag', [ui.item.id]);
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return false;
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}
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},
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breakKeyCodes: [ 13, 44 ],
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checkNewEntriesCaseSensitive: false,
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texts: {
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removeLinkTitle: 'Remove from list.',
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saveEditLinkTitle: 'Save changes.',
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deleteLinkTitle: 'Delete this tag from database.',
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deleteConfirmation: 'Are you sure to delete this entry?',
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deletedElementTitle: 'This Element will be deleted.',
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breakEditLinkTitle: 'Cancel',
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forceDeleteConfirmation: 'There are more records using this tag, are you sure do you want to remove it?'
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},
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tabindex: false
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}, options || {});
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// no action if there are no elements
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if(this.length == 0) {
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return;
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}
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// set the autocompleteOptions source
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if(options.autocompleteURL) {
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options.autocompleteOptions.source = options.autocompleteURL;
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}
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// Set the direction of the inputs
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var direction= this.attr('dir');
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if(direction && direction.length > 0) {
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options.direction = this.attr('dir');
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}
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var elements = this;
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var focusItem = null;
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var baseNameRegexp = new RegExp("^(.*)\\[([0-9]*?("+options.deletedPostfix+"|"+options.addedPostfix+")?)?\]$", "i");
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var baseName = elements.eq(0).attr('name').match(baseNameRegexp);
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if(baseName && baseName.length == 4) {
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baseName = baseName[1];
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}
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else {
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// Elementname does not match the expected format, exit
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alert('elementname dows not match the expected format (regexp: '+baseNameRegexp+')')
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return;
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}
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// read tabindex from source element
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var ti;
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if (!options.tabindex && (ti = elements.eq(0).attr('tabindex')))
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options.tabindex = ti;
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// init elements
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inputsToList();
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/**
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* Creates the tageditinput from a list of textinputs
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*
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*/
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function inputsToList() {
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var html = '<ul class="tagedit-list '+options.additionalListClass+'">';
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elements.each(function(i) {
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var element_name = $(this).attr('name').match(baseNameRegexp);
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if(element_name && element_name.length == 4 && (options.deleteEmptyItems == false || $(this).val().length > 0)) {
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if(element_name[1].length > 0) {
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var elementId = typeof element_name[2] != 'undefined'? element_name[2]: '',
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domId = 'tagedit-' + baseName + '-' + (elementId || i);
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html += '<li class="tagedit-listelement tagedit-listelement-old" aria-labelledby="'+domId+'">';
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html += '<span dir="'+options.direction+'" id="'+domId+'">' + $(this).val() + '</span>';
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html += '<input type="hidden" name="'+baseName+'['+elementId+']" value="'+$(this).val()+'" />';
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if (options.allowDelete)
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html += '<a class="tagedit-close" title="'+options.texts.removeLinkTitle+'" aria-label="'+options.texts.removeLinkTitle+' '+$(this).val()+'">x</a>';
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html += '</li>';
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}
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}
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});
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// replace Elements with the list and save the list in the local variable elements
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elements.last().after(html)
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var newList = elements.last().next();
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elements.remove();
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elements = newList;
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// Check if some of the elementshav to be marked as deleted
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if(options.deletedPostfix.length > 0) {
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elements.find('input[name$="'+options.deletedPostfix+'\]"]').each(function() {
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markAsDeleted($(this).parent());
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});
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}
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// put an input field at the End
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// Put an empty element at the end
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html = '<li class="tagedit-listelement tagedit-listelement-new">';
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if (options.allowAdd)
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html += '<input type="text" name="'+baseName+'[]" value="" id="tagedit-input" disabled="disabled" class="tagedit-input-disabled" dir="'+options.direction+'"/>';
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html += '</li>';
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html += '</ul>';
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elements
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.append(html)
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.attr('tabindex', options.tabindex) // set tabindex to <ul> to recieve focus
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// Set function on the input
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.find('#tagedit-input')
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.attr('tabindex', options.tabindex)
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.each(function() {
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$(this).autoGrowInput({comfortZone: 15, minWidth: 15, maxWidth: 20000});
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// Event is triggert in case of choosing an item from the autocomplete, or finish the input
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$(this).bind('transformToTag', function(event, id) {
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var oldValue = (typeof id != 'undefined' && (id.length > 0 || id > 0));
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var checkAutocomplete = oldValue == true || options.autocompleteOptions.noCheck ? false : true;
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// check if the Value ist new
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var isNewResult = isNew($(this).val(), checkAutocomplete);
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if(isNewResult[0] === true || (isNewResult[0] === false && typeof isNewResult[1] == 'string')) {
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if(oldValue == false && typeof isNewResult[1] == 'string') {
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oldValue = true;
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id = isNewResult[1];
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}
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if(options.allowAdd == true || oldValue) {
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var domId = 'tagedit-' + baseName + '-' + id;
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// Make a new tag in front the input
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html = '<li class="tagedit-listelement tagedit-listelement-old" aria-labelledby="'+domId+'">';
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html += '<span dir="'+options.direction+'" id="'+domId+'">' + $(this).val() + '</span>';
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var name = oldValue? baseName + '['+id+options.addedPostfix+']' : baseName + '[]';
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html += '<input type="hidden" name="'+name+'" value="'+$(this).val()+'" />';
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html += '<a class="tagedit-close" title="'+options.texts.removeLinkTitle+'" aria-label="'+options.texts.removeLinkTitle+' '+$(this).val()+'">x</a>';
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html += '</li>';
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$(this).parent().before(html);
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}
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}
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$(this).val('');
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// close autocomplete
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if(options.autocompleteOptions.source) {
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if($(this).is(':ui-autocomplete'))
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$(this).autocomplete( "close" );
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}
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})
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.keydown(function(event) {
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var code = event.keyCode > 0? event.keyCode : event.which;
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switch(code) {
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case 46:
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if (!focusItem)
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break;
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case 8: // BACKSPACE
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if(focusItem) {
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focusItem.fadeOut(options.animSpeed, function() {
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$(this).remove();
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})
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unfocusItem();
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event.preventDefault();
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return false;
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}
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else if($(this).val().length == 0) {
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// delete Last Tag
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var elementToRemove = elements.find('li.tagedit-listelement-old').last();
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elementToRemove.fadeOut(options.animSpeed, function() {elementToRemove.remove();})
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event.preventDefault();
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return false;
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}
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break;
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case 9: // TAB
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if($(this).val().length > 0 && $('ul.ui-autocomplete #ui-active-menuitem').length == 0) {
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$(this).trigger('transformToTag');
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event.preventDefault();
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return false;
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}
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break;
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case 37: // LEFT
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case 39: // RIGHT
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if($(this).val().length == 0) {
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// select previous Tag
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var inc = code == 37 ? -1 : 1,
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items = elements.find('li.tagedit-listelement-old')
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x = items.length, next = 0;
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items.each(function(i, elem) {
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if ($(elem).hasClass('tagedit-listelement-focus')) {
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x = i;
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return true;
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}
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});
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unfocusItem();
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next = Math.max(0, x + inc);
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if (items.get(next)) {
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focusItem = items.eq(next).addClass('tagedit-listelement-focus');
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$(this).attr('aria-activedescendant', focusItem.attr('aria-labelledby'))
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if(options.autocompleteOptions.source != false) {
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$(this).autocomplete('close').autocomplete('disable');
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}
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}
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event.preventDefault();
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return false;
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}
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break;
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default:
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// ignore input if an item is focused
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if (focusItem !== null) {
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event.preventDefault();
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event.bubble = false;
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return false;
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}
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}
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return true;
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})
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.keypress(function(event) {
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var code = event.keyCode > 0? event.keyCode : event.which;
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if($.inArray(code, options.breakKeyCodes) > -1) {
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if($(this).val().length > 0 && $('ul.ui-autocomplete #ui-active-menuitem').length == 0) {
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$(this).trigger('transformToTag');
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}
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event.preventDefault();
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return false;
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}
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else if($(this).val().length > 0){
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unfocusItem();
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}
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return true;
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})
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.bind('paste', function(e){
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var that = $(this);
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if (e.type == 'paste'){
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setTimeout(function(){
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that.trigger('transformToTag');
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}, 1);
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}
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})
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.blur(function() {
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if($(this).val().length == 0) {
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// disable the field to prevent sending with the form
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$(this).attr('disabled', 'disabled').addClass('tagedit-input-disabled');
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}
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else {
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// Delete entry after a timeout
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var input = $(this);
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$(this).data('blurtimer', window.setTimeout(function() {input.val('');}, 500));
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}
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unfocusItem();
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// restore tabindex when widget looses focus
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if (options.tabindex)
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elements.attr('tabindex', options.tabindex);
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})
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.focus(function() {
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window.clearTimeout($(this).data('blurtimer'));
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// remove tabindex on <ul> because #tagedit-input now has it
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elements.attr('tabindex', '-1');
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});
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if(options.autocompleteOptions.source != false) {
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$(this).autocomplete(options.autocompleteOptions);
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}
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})
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.end()
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.click(function(event) {
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switch(event.target.tagName) {
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case 'A':
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$(event.target).parent().fadeOut(options.animSpeed, function() {
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$(event.target).parent().remove();
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elements.find('#tagedit-input').focus();
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});
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break;
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case 'INPUT':
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case 'SPAN':
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case 'LI':
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if($(event.target).hasClass('tagedit-listelement-deleted') == false &&
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$(event.target).parent('li').hasClass('tagedit-listelement-deleted') == false) {
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// Don't edit an deleted Items
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return doEdit(event);
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}
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default:
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$(this).find('#tagedit-input')
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.removeAttr('disabled')
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.removeClass('tagedit-input-disabled')
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.focus();
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}
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return false;
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})
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// forward focus event (on tabbing through the form)
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.focus(function(e){ $(this).click(); })
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}
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/**
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* Remove class and reference to currently focused tag item
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*/
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function unfocusItem() {
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if(focusItem){
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if(options.autocompleteOptions.source != false) {
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elements.find('#tagedit-input').autocomplete('enable');
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}
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focusItem.removeClass('tagedit-listelement-focus');
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focusItem = null;
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elements.find('#tagedit-input').removeAttr('aria-activedescendant');
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}
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}
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/**
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* Sets all Actions and events for editing an Existing Tag.
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*
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* @param event {object} The original Event that was given
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* return {boolean}
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*/
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function doEdit(event) {
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if(options.allowEdit == false) {
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// Do nothing
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return;
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}
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var element = event.target.tagName == 'SPAN'? $(event.target).parent() : $(event.target);
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var closeTimer = null;
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// Event that is fired if the User finishes the edit of a tag
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element.bind('finishEdit', function(event, doReset) {
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window.clearTimeout(closeTimer);
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var textfield = $(this).find(':text');
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var isNewResult = isNew(textfield.val(), true);
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if(textfield.val().length > 0 && (typeof doReset == 'undefined' || doReset === false) && (isNewResult[0] == true)) {
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// This is a new Value and we do not want to do a reset. Set the new value
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$(this).find(':hidden').val(textfield.val());
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$(this).find('span').html(textfield.val());
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}
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textfield.remove();
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$(this).find('a.tagedit-save, a.tagedit-break, a.tagedit-delete').remove(); // Workaround. This normaly has to be done by autogrow Plugin
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$(this).removeClass('tagedit-listelement-edit').unbind('finishEdit');
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return false;
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});
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var hidden = element.find(':hidden');
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html = '<input type="text" name="tmpinput" autocomplete="off" value="'+hidden.val()+'" class="tagedit-edit-input" dir="'+options.direction+'"/>';
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html += '<a class="tagedit-save" title="'+options.texts.saveEditLinkTitle+'">o</a>';
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html += '<a class="tagedit-break" title="'+options.texts.breakEditLinkTitle+'">x</a>';
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// If the Element is one from the Database, it can be deleted
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if(options.allowDelete == true && element.find(':hidden').length > 0 &&
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typeof element.find(':hidden').attr('name').match(baseNameRegexp)[3] != 'undefined') {
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html += '<a class="tagedit-delete" title="'+options.texts.deleteLinkTitle+'">d</a>';
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}
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hidden.after(html);
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element
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.addClass('tagedit-listelement-edit')
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.find('a.tagedit-save')
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.click(function() {
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$(this).parent().trigger('finishEdit');
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return false;
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})
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.end()
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.find('a.tagedit-break')
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.click(function() {
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$(this).parent().trigger('finishEdit', [true]);
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return false;
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})
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.end()
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.find('a.tagedit-delete')
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.click(function() {
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window.clearTimeout(closeTimer);
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if(confirm(options.texts.deleteConfirmation)) {
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var canDelete = checkToDelete($(this).parent());
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if (!canDelete && confirm(options.texts.forceDeleteConfirmation)) {
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markAsDeleted($(this).parent());
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}
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if(canDelete) {
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markAsDeleted($(this).parent());
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}
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$(this).parent().find(':text').trigger('finishEdit', [true]);
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}
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else {
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$(this).parent().find(':text').trigger('finishEdit', [true]);
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}
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return false;
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})
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.end()
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.find(':text')
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.focus()
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.autoGrowInput({comfortZone: 10, minWidth: 15, maxWidth: 20000})
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.keypress(function(event) {
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switch(event.keyCode) {
|
|
case 13: // RETURN
|
|
event.preventDefault();
|
|
$(this).parent().trigger('finishEdit');
|
|
return false;
|
|
case 27: // ESC
|
|
event.preventDefault();
|
|
$(this).parent().trigger('finishEdit', [true]);
|
|
return false;
|
|
}
|
|
return true;
|
|
})
|
|
.blur(function() {
|
|
var that = $(this);
|
|
closeTimer = window.setTimeout(function() {that.parent().trigger('finishEdit', [true])}, 500);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* Verifies if the tag select to be deleted is used by other records using an Ajax request.
|
|
*
|
|
* @param element
|
|
* @returns {boolean}
|
|
*/
|
|
function checkToDelete(element) {
|
|
// if no URL is provide will not verify
|
|
if(options.checkToDeleteURL === null) {
|
|
return false;
|
|
}
|
|
|
|
var inputName = element.find('input:hidden').attr('name');
|
|
var idPattern = new RegExp('\\d');
|
|
var tagId = inputName.match(idPattern);
|
|
var checkResult = false;
|
|
|
|
$.ajax({
|
|
async : false,
|
|
url : options.checkToDeleteURL,
|
|
dataType: 'json',
|
|
type : 'POST',
|
|
data : { 'tagId' : tagId},
|
|
complete: function (XMLHttpRequest, textStatus) {
|
|
|
|
// Expected JSON Object: { "success": Boolean, "allowDelete": Boolean}
|
|
var result = $.parseJSON(XMLHttpRequest.responseText);
|
|
if(result.success === true){
|
|
checkResult = result.allowDelete;
|
|
}
|
|
}
|
|
});
|
|
|
|
return checkResult;
|
|
}
|
|
|
|
/**
|
|
* Marks a single Tag as deleted.
|
|
*
|
|
* @param element {object}
|
|
*/
|
|
function markAsDeleted(element) {
|
|
element
|
|
.trigger('finishEdit', [true])
|
|
.addClass('tagedit-listelement-deleted')
|
|
.attr('title', options.deletedElementTitle);
|
|
element.find(':hidden').each(function() {
|
|
var nameEndRegexp = new RegExp('('+options.addedPostfix+'|'+options.deletedPostfix+')?\]');
|
|
var name = $(this).attr('name').replace(nameEndRegexp, options.deletedPostfix+']');
|
|
$(this).attr('name', name);
|
|
});
|
|
|
|
}
|
|
|
|
/**
|
|
* Checks if a tag is already choosen.
|
|
*
|
|
* @param value {string}
|
|
* @param checkAutocomplete {boolean} optional Check also the autocomplet values
|
|
* @returns {Array} First item is a boolean, telling if the item should be put to the list, second is optional the ID from autocomplete list
|
|
*/
|
|
function isNew(value, checkAutocomplete) {
|
|
checkAutocomplete = typeof checkAutocomplete == 'undefined'? false : checkAutocomplete;
|
|
var autoCompleteId = null;
|
|
|
|
var compareValue = options.checkNewEntriesCaseSensitive == true? value : value.toLowerCase();
|
|
|
|
var isNew = true;
|
|
elements.find('li.tagedit-listelement-old input:hidden').each(function() {
|
|
var elementValue = options.checkNewEntriesCaseSensitive == true? $(this).val() : $(this).val().toLowerCase();
|
|
if(elementValue == compareValue) {
|
|
isNew = false;
|
|
}
|
|
});
|
|
|
|
if (isNew == true && checkAutocomplete == true && options.autocompleteOptions.source != false) {
|
|
var result = [];
|
|
if ($.isArray(options.autocompleteOptions.source)) {
|
|
result = options.autocompleteOptions.source;
|
|
}
|
|
else if ($.isFunction(options.autocompleteOptions.source)) {
|
|
options.autocompleteOptions.source({term: value}, function (data) {result = data});
|
|
}
|
|
else if (typeof options.autocompleteOptions.source === "string") {
|
|
// Check also autocomplete values
|
|
var autocompleteURL = options.autocompleteOptions.source;
|
|
if (autocompleteURL.match(/\?/)) {
|
|
autocompleteURL += '&';
|
|
} else {
|
|
autocompleteURL += '?';
|
|
}
|
|
autocompleteURL += 'term=' + value;
|
|
$.ajax({
|
|
async: false,
|
|
url: autocompleteURL,
|
|
dataType: 'json',
|
|
complete: function (XMLHttpRequest, textStatus) {
|
|
result = $.parseJSON(XMLHttpRequest.responseText);
|
|
}
|
|
});
|
|
}
|
|
|
|
// If there is an entry for that already in the autocomplete, don't use it (Check could be case sensitive or not)
|
|
for (var i = 0; i < result.length; i++) {
|
|
var resultValue = result[i].label? result[i].label : result[i];
|
|
var label = options.checkNewEntriesCaseSensitive == true? resultValue : resultValue.toLowerCase();
|
|
if (label == compareValue) {
|
|
isNew = false;
|
|
autoCompleteId = typeof result[i] == 'string' ? i : result[i].id;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return new Array(isNew, autoCompleteId);
|
|
}
|
|
}
|
|
})(jQuery);
|
|
|
|
(function($){
|
|
|
|
// jQuery autoGrowInput plugin by James Padolsey
|
|
// See related thread: http://stackoverflow.com/questions/931207/is-there-a-jquery-autogrow-plugin-for-text-fields
|
|
|
|
$.fn.autoGrowInput = function(o) {
|
|
|
|
o = $.extend({
|
|
maxWidth: 1000,
|
|
minWidth: 0,
|
|
comfortZone: 70
|
|
}, o);
|
|
|
|
this.filter('input:text').each(function(){
|
|
|
|
var minWidth = o.minWidth || $(this).width(),
|
|
val = '',
|
|
input = $(this),
|
|
testSubject = $('<tester/>').css({
|
|
position: 'absolute',
|
|
top: -9999,
|
|
left: -9999,
|
|
width: 'auto',
|
|
fontSize: input.css('fontSize'),
|
|
fontFamily: input.css('fontFamily'),
|
|
fontWeight: input.css('fontWeight'),
|
|
letterSpacing: input.css('letterSpacing'),
|
|
whiteSpace: 'nowrap'
|
|
}),
|
|
check = function() {
|
|
|
|
if (val === (val = input.val())) {return;}
|
|
|
|
// Enter new content into testSubject
|
|
var escaped = val.replace(/&/g, '&').replace(/\s/g,' ').replace(/</g, '<').replace(/>/g, '>');
|
|
testSubject.html(escaped);
|
|
|
|
// Calculate new width + whether to change
|
|
var testerWidth = testSubject.width(),
|
|
newWidth = (testerWidth + o.comfortZone) >= minWidth ? testerWidth + o.comfortZone : minWidth,
|
|
currentWidth = input.width(),
|
|
isValidWidthChange = (newWidth < currentWidth && newWidth >= minWidth)
|
|
|| (newWidth > minWidth && newWidth < o.maxWidth);
|
|
|
|
// Animate width
|
|
if (isValidWidthChange) {
|
|
input.width(newWidth);
|
|
}
|
|
|
|
};
|
|
|
|
testSubject.insertAfter(input);
|
|
|
|
$(this).bind('keyup keydown blur update', check);
|
|
|
|
check();
|
|
});
|
|
|
|
return this;
|
|
|
|
};
|
|
|
|
})(jQuery); |