https://theaterbremen.de/module/jscript/lib/cb_ui/util.js

1/* This file is part of cbui.
2 * Copyright © 2010-2012 stiftung kulturserver.de ggmbh <[email protected]>
3 *
4 * cbui is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * cbui is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with cbui.  If not, see <http://www.gnu.org/licenses/>.
16 */
17
18jQuery.CbUtil = {};
19jQuery.CbUtil.element_cycler = base2.Base.extend({
20   /**
21    * Cycle through the elements: show the next one or the
22    * given one.
23    */
24   show : function(index) {
25      if (typeof(index) == 'undefined') index = this.shown_field + 1;
26      if (index >= this.elements.length) index = 0;
27
28      if (this.shown_field >= 0) {
29         jQuery(this.elements[this.shown_field]).hide();
30      }
31      jQuery(this.elements[index]).show();
32
33      this.shown_field = index;
34   },
35
36   hide : function() {
37      if (this.shown_field < 0) return;
38      jQuery(this.elements[this.shown_field]).hide();
39      this.shown_field = -1;
40   },
41
42   getShown : function() {
43      return jQuery(this.elements[this.shown_field]);
44   },
45
46   constructor : function(elements) {
47      base2.lang.assert(elements.length > 0);
48      this.base();
49      this.shown_field = 0;
50      this.elements = elements;
51      this.original_state = [];
52      var self = this;
53      elements.each(function(index) {
54         self.original_state[index] = jQuery(this).css('display');
55      });
56      this.elements.hide();
57      jQuery(this.elements[0]).show();
58   },
59
60   destroy : function() {
61      var self = this;
62      this.elements.each(function(index) {
63         jQuery(this).css('display', self.original_state[index]);
64      });
65   },
66
67   refreshElement : function() {
68      this.elements = jQuery(this.elements);
69   }
70});
71
72jQuery.CbUtil.element_pivot = base2.Base.extend({
73
74   constructor : function(element, pivot_tag) {
75      this.base();
76      this.parent = jQuery(document.createElement(pivot_tag || 'span'));
77      this.parent.attr('id', element.attr('id'));
78      element.removeAttr('id');
79      this.parent.insertAfter(element);
80      this.parent = jQuery(this.parent);
81      this.parent.append(element.remove());
82      this.child = this.parent.children();
83   },
84
85   destroy : function() {
86      this.child.insertAfter(this.parent).attr('id', this.parent.attr('id'));
87      this.parent.remove();
88   },
89
90   refreshElement : function() {
91      this.child = jQuery(this.child);
92      this.parent = jQuery(this.parent);
93   }
94});
95
96jQuery.CbUtil.window_closer = base2.Base.extend({
97   constructor : function(element) {
98      this.base();
99      this.element = element;
100   },
101
102   destroy : function() {
103      var element = this.element;
104      while(typeof(element.CbWidget) != 'function' || typeof(element.CbWidget().close) != 'function') {
105         var parent = jQuery(element.parent());
106         if (!parent || parent == element) {
107            return;
108         } else {
109            element = parent;
110         }
111      }
112      element.CbWidget().close();
113   },
114
115   refreshElement : function() {
116      this.element = jQuery(this.element);
117   }
118});
119
120jQuery.CbUtil.base64_codec = base2.Base.extend({
121   b64 : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
122
123   encode : function(input) {
124      input =  window.unescape(window.encodeURIComponent(input));
125      if (typeof window.btoa === 'function') {
126         return window.btoa(input);
127      } else {
128         var output = "";
129         var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
130         var i = 0;
131
132         while (i < input.length) {
133
134            chr1 = input.charCodeAt(i++);
135            chr2 = input.charCodeAt(i++);
136            chr3 = input.charCodeAt(i++);
137
138            enc1 = chr1 >> 2;
139            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
140            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
141            enc4 = chr3 & 63;
142
143            if (isNaN(chr2)) {
144               enc3 = enc4 = 64;
145            } else if (isNaN(chr3)) {
146               enc4 = 64;
147            }
148
149            output += this.b64.charAt(enc1) + this.b64.charAt(enc2) +
150                  this.b64.charAt(enc3) + this.b64.charAt(enc4);
151         }
152         return output;
153      }
154   },
155
156   decode : function (input) {
157      if (typeof window.atob === 'function') {
158         output = window.atob(input);
159      } else {
160         var output = "";
161         var chr1, chr2, chr3;
162         var enc1, enc2, enc3, enc4;
163         var i = 0;
164
165         input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
166
167         while (i < input.length) {
168            enc1 = this.b64.indexOf(input.charAt(i++));
169            enc2 = this.b64.indexOf(input.charAt(i++));
170            enc3 = this.b64.indexOf(input.charAt(i++));
171            enc4 = this.b64.indexOf(input.charAt(i++));
172
173            chr1 = (enc1 << 2) | (enc2 >> 4);
174            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
175            chr3 = ((enc3 & 3) << 6) | enc4;
176
177            output += String.fromCharCode(chr1);
178
179            if (enc3 != 64) output = output + String.fromCharCode(chr2);
180            if (enc4 != 64) output = output + String.fromCharCode(chr3);
181         }
182      }
183      return window.decodeURIComponent(window.escape(output));
184   }
185});
186
187jQuery.CbUtil.xml_codec = base2.Base.extend({
188   decode : function(element) {
189      var self = this;
190      switch (element.attr('type')) {
191         case 'number':
192            return +element.text();
193         case 'string':
194            return element.text();
195         case 'null':
196            return null;
197         case 'boolean':
198            return element.text() === '1' ? true : false;

199         case 'object':
200            var numeric = element.attr('numeric') === '1';
201            var result = numeric ? [] : {};
202            element.children().each(function(i, child) {
203               child = jQuery(child);
204               if (numeric) {
205                  result.push(self.decode(child));
206               } else {
207                  result[child.attr('key')] = self.decode(child);
208               }
209            });
210            return result;
211      }
212   }
213});
214
215/**
216 * @deprecated Use the properly scoped variants
217 */
218var CbElementCycler = jQuery.CbUtil.element_cycler;
219var CbWindowCloser = jQuery.CbUtil.window_closer;
220var CbBase64Codec = jQuery.CbUtil.base64_codec;
221var CbElementPivot = jQuery.CbUtil.element_pivot;