source: branches/1.2/workflow/js/jscalendar/calendar-setup.js @ 1349

Revision 1349, 8.8 KB checked in by niltonneto, 15 years ago (diff)

Ticket #561 - Inclusão do módulo Workflow faltante nessa versão.
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1/*  Copyright Mihai Bazon, 2002, 2003  |  http://dynarch.com/mishoo/
2 * ---------------------------------------------------------------------------
3 *
4 * The DHTML Calendar
5 *
6 * Details and latest version at:
7 * http://dynarch.com/mishoo/calendar.epl
8 *
9 * This script is distributed under the GNU Lesser General Public License.
10 * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
11 *
12 * This file defines helper functions for setting up the calendar.  They are
13 * intended to help non-programmers get a working calendar on their site
14 * quickly.  This script should not be seen as part of the calendar.  It just
15 * shows you what one can do with the calendar, while in the same time
16 * providing a quick and simple method for setting it up.  If you need
17 * exhaustive customization of the calendar creation process feel free to
18 * modify this code to suit your needs (this is recommended and much better
19 * than modifying calendar.js itself).
20 */
21
22
23/**
24 *  This function "patches" an input field (or other element) to use a calendar
25 *  widget for date selection.
26 *
27 *  The "params" is a single object that can have the following properties:
28 *
29 *    prop. name   | description
30 *  -------------------------------------------------------------------------------------------------
31 *   inputField    | the ID of an input field to store the date
32 *   displayArea   | the ID of a DIV or other element to show the date
33 *   button        | ID of a button or other element that will trigger the calendar
34 *   eventName     | event that will trigger the calendar, without the "on" prefix (default: "click")
35 *   ifFormat      | date format that will be stored in the input field
36 *   daFormat      | the date format that will be used to display the date in displayArea
37 *   singleClick   | (true/false) wether the calendar is in single click mode or not (default: true)
38 *   firstDay      | numeric: 0 to 6.  "0" means display Sunday first, "1" means display Monday first, etc.
39 *   align         | alignment (default: "Br"); if you don't know what's this see the calendar documentation
40 *   range         | array with 2 elements.  Default: [1900, 2999] -- the range of years available
41 *   weekNumbers   | (true/false) if it's true (default) the calendar will display week numbers
42 *   flat          | null or element ID; if not null the calendar will be a flat calendar having the parent with the given ID
43 *   flatCallback  | function that receives a JS Date object and returns an URL to point the browser to (for flat calendar)
44 *   disableFunc   | function that receives a JS Date object and should return true if that date has to be disabled in the calendar
45 *   onSelect      | function that gets called when a date is selected.  You don't _have_ to supply this (the default is generally okay)
46 *   onClose       | function that gets called when the calendar is closed.  [default]
47 *   onUpdate      | function that gets called after the date is updated in the input field.  Receives a reference to the calendar.
48 *   date          | the date that the calendar will be initially displayed to
49 *   showsTime     | default: false; if true the calendar will include a time selector
50 *   timeFormat    | the time format; can be "12" or "24", default is "12"
51 *   electric      | if true (default) then given fields/date areas are updated for each move; otherwise they're updated only on close
52 *   step          | configures the step of the years in drop-down boxes; default: 2
53 *   position      | configures the calendar absolute position; default: null
54 *   cache         | if "true" (but default: "false") it will reuse the same calendar object, where possible
55 *   showOthers    | if "true" (but default: "false") it will show days from other months too
56 *
57 *  None of them is required, they all have default values.  However, if you
58 *  pass none of "inputField", "displayArea" or "button" you'll get a warning
59 *  saying "nothing to setup".
60 */
61Calendar.setup = function (params) {
62        function param_default(pname, def) { if (typeof params[pname] == "undefined") { params[pname] = def; } };
63
64        param_default("inputField",     null);
65        param_default("displayArea",    null);
66        param_default("button",         null);
67        param_default("eventName",      "click");
68        param_default("ifFormat",       "%d/%m/%Y");
69        param_default("daFormat",       "%d/%m/%Y");
70        param_default("singleClick",    true);
71        param_default("disableFunc",    null);
72        param_default("dateStatusFunc", params["disableFunc"]); // takes precedence if both are defined
73        param_default("dateText",       null);
74        param_default("firstDay",       null);
75        param_default("align",          "Br");
76        param_default("range",          [1900, 2999]);
77        param_default("weekNumbers",    true);
78        param_default("flat",           null);
79        param_default("flatCallback",   null);
80        param_default("onSelect",       null);
81        param_default("onClose",        null);
82        param_default("onUpdate",       null);
83        param_default("date",           null);
84        param_default("showsTime",      false);
85        param_default("timeFormat",     "24");
86        param_default("electric",       true);
87        param_default("step",           2);
88        param_default("position",       null);
89        param_default("cache",          false);
90        param_default("showOthers",     false);
91        param_default("multiple",       null);
92
93        var tmp = ["inputField", "displayArea", "button"];
94        for (var i in tmp) {
95                if (typeof params[tmp[i]] == "string") {
96                        params[tmp[i]] = document.getElementById(params[tmp[i]]);
97                }
98        }
99        if (!(params.flat || params.multiple || params.inputField || params.displayArea || params.button)) {
100                alert("Calendar.setup:\n  Nothing to setup (no fields found).  Please check your code");
101                return false;
102        }
103
104        function onSelect(cal) {
105                var p = cal.params;
106                var update = (cal.dateClicked || p.electric);
107                if (update && p.inputField) {
108                        p.inputField.value = cal.date.print(p.ifFormat);
109                        if (typeof p.inputField.onchange == "function")
110                                p.inputField.onchange();
111                }
112                if (update && p.displayArea)
113                        p.displayArea.innerHTML = cal.date.print(p.daFormat);
114                if (update && typeof p.onUpdate == "function")
115                        p.onUpdate(cal);
116                if (update && p.flat) {
117                        if (typeof p.flatCallback == "function")
118                                p.flatCallback(cal);
119                }
120                if (update && p.singleClick && cal.dateClicked)
121                        cal.callCloseHandler();
122        };
123
124        if (params.flat != null) {
125                if (typeof params.flat == "string")
126                        params.flat = document.getElementById(params.flat);
127                if (!params.flat) {
128                        alert("Calendar.setup:\n  Flat specified but can't find parent.");
129                        return false;
130                }
131                var cal = new Calendar(params.firstDay, params.date, params.onSelect || onSelect);
132                cal.showsOtherMonths = params.showOthers;
133                cal.showsTime = params.showsTime;
134                cal.time24 = (params.timeFormat == "24");
135                cal.params = params;
136                cal.weekNumbers = params.weekNumbers;
137                cal.setRange(params.range[0], params.range[1]);
138                cal.setDateStatusHandler(params.dateStatusFunc);
139                cal.getDateText = params.dateText;
140                if (params.ifFormat) {
141                        cal.setDateFormat(params.ifFormat);
142                }
143                if (params.inputField && typeof params.inputField.value == "string") {
144                        cal.parseDate(params.inputField.value);
145                }
146                cal.create(params.flat);
147                cal.show();
148                return false;
149        }
150
151        var triggerEl = params.button || params.displayArea || params.inputField;
152        triggerEl["on" + params.eventName] = function() {
153                var dateEl = params.inputField || params.displayArea;
154                var dateFmt = params.inputField ? params.ifFormat : params.daFormat;
155                var mustCreate = false;
156                var cal = window.calendar;
157                if (dateEl)
158                {
159                        /* corrige problemas relacionados ao horário de verão */
160                        var dateElValue = dateEl.value || dateEl.innerHTML;
161                        if (dateFmt.indexOf('%H') == -1)
162                        {
163                                dateFmt += ' %H:%M';
164                                dateElValue += ' 06:42';
165                        }
166                        params.date = Date.parseDate(dateElValue, dateFmt);
167                }
168                if (!(cal && params.cache)) {
169                        window.calendar = cal = new Calendar(params.firstDay,
170                                                             params.date,
171                                                             params.onSelect || onSelect,
172                                                             params.onClose || function(cal) { cal.hide(); });
173                        cal.showsTime = params.showsTime;
174                        cal.time24 = (params.timeFormat == "24");
175                        cal.weekNumbers = params.weekNumbers;
176                        mustCreate = true;
177                } else {
178                        if (params.date)
179                                cal.setDate(params.date);
180                        cal.hide();
181                }
182                if (params.multiple) {
183                        cal.multiple = {};
184                        for (var i = params.multiple.length; --i >= 0;) {
185                                var d = params.multiple[i];
186                                var ds = d.print("%Y%m%d");
187                                cal.multiple[ds] = d;
188                        }
189                }
190                cal.showsOtherMonths = params.showOthers;
191                cal.yearStep = params.step;
192                cal.setRange(params.range[0], params.range[1]);
193                cal.params = params;
194                cal.setDateStatusHandler(params.dateStatusFunc);
195                cal.getDateText = params.dateText;
196                cal.setDateFormat(dateFmt);
197                if (mustCreate)
198                        cal.create();
199                cal.refresh();
200                if (!params.position)
201                        cal.showAtElement(params.button || params.displayArea || params.inputField, params.align);
202                else
203                        cal.showAt(params.position[0], params.position[1]);
204                return false;
205        };
206
207        return cal;
208};
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