calendar-setup.js
上传用户:stephen_wu
上传日期:2008-07-05
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文件大小:9k
- /* Copyright Mihai Bazon, 2002, 2003 | http://dynarch.com/mishoo/
- * ---------------------------------------------------------------------------
- *
- * The DHTML Calendar
- *
- * Details and latest version at:
- * http://dynarch.com/mishoo/calendar.epl
- *
- * This script is distributed under the GNU Lesser General Public License.
- * Read the entire license text here: http://www.gnu.org/licenses/lgpl.html
- *
- * This file defines helper functions for setting up the calendar. They are
- * intended to help non-programmers get a working calendar on their site
- * quickly. This script should not be seen as part of the calendar. It just
- * shows you what one can do with the calendar, while in the same time
- * providing a quick and simple method for setting it up. If you need
- * exhaustive customization of the calendar creation process feel free to
- * modify this code to suit your needs (this is recommended and much better
- * than modifying calendar.js itself).
- */
- // $Id: calendar-setup.js,v 1.1 2005/05/22 07:01:34 mambojoe Exp $
- /**
- * This function "patches" an input field (or other element) to use a calendar
- * widget for date selection.
- *
- * The "params" is a single object that can have the following properties:
- *
- * prop. name | description
- * -------------------------------------------------------------------------------------------------
- * inputField | the ID of an input field to store the date
- * displayArea | the ID of a DIV or other element to show the date
- * button | ID of a button or other element that will trigger the calendar
- * eventName | event that will trigger the calendar, without the "on" prefix (default: "click")
- * ifFormat | date format that will be stored in the input field
- * daFormat | the date format that will be used to display the date in displayArea
- * singleClick | (true/false) wether the calendar is in single click mode or not (default: true)
- * firstDay | numeric: 0 to 6. "0" means display Sunday first, "1" means display Monday first, etc.
- * align | alignment (default: "Br"); if you don't know what's this see the calendar documentation
- * range | array with 2 elements. Default: [1900, 2999] -- the range of years available
- * weekNumbers | (true/false) if it's true (default) the calendar will display week numbers
- * flat | null or element ID; if not null the calendar will be a flat calendar having the parent with the given ID
- * flatCallback | function that receives a JS Date object and returns an URL to point the browser to (for flat calendar)
- * disableFunc | function that receives a JS Date object and should return true if that date has to be disabled in the calendar
- * onSelect | function that gets called when a date is selected. You don't _have_ to supply this (the default is generally okay)
- * onClose | function that gets called when the calendar is closed. [default]
- * onUpdate | function that gets called after the date is updated in the input field. Receives a reference to the calendar.
- * date | the date that the calendar will be initially displayed to
- * showsTime | default: false; if true the calendar will include a time selector
- * timeFormat | the time format; can be "12" or "24", default is "12"
- * electric | if true (default) then given fields/date areas are updated for each move; otherwise they're updated only on close
- * step | configures the step of the years in drop-down boxes; default: 2
- * position | configures the calendar absolute position; default: null
- * cache | if "true" (but default: "false") it will reuse the same calendar object, where possible
- * showOthers | if "true" (but default: "false") it will show days from other months too
- *
- * None of them is required, they all have default values. However, if you
- * pass none of "inputField", "displayArea" or "button" you'll get a warning
- * saying "nothing to setup".
- */
- Calendar.setup = function (params) {
- function param_default(pname, def) { if (typeof params[pname] == "undefined") { params[pname] = def; } };
- param_default("inputField", null);
- param_default("displayArea", null);
- param_default("button", null);
- param_default("eventName", "click");
- param_default("ifFormat", "%Y/%m/%d");
- param_default("daFormat", "%Y/%m/%d");
- param_default("singleClick", true);
- param_default("disableFunc", null);
- param_default("dateStatusFunc", params["disableFunc"]); // takes precedence if both are defined
- param_default("dateText", null);
- param_default("firstDay", null);
- param_default("align", "Br");
- param_default("range", [1900, 2999]);
- param_default("weekNumbers", true);
- param_default("flat", null);
- param_default("flatCallback", null);
- param_default("onSelect", null);
- param_default("onClose", null);
- param_default("onUpdate", null);
- param_default("date", null);
- param_default("showsTime", false);
- param_default("timeFormat", "24");
- param_default("electric", true);
- param_default("step", 5);
- param_default("position", null);
- param_default("cache", false);
- param_default("showOthers", false);
- param_default("multiple", null);
- var tmp = ["inputField", "displayArea", "button"];
- for (var i in tmp) {
- if (typeof params[tmp[i]] == "string") {
- params[tmp[i]] = document.getElementById(params[tmp[i]]);
- }
- }
- if (!(params.flat || params.multiple || params.inputField || params.displayArea || params.button)) {
- alert("Calendar.setup:n Nothing to setup (no fields found). Please check your code");
- return false;
- }
- function onSelect(cal) {
- var p = cal.params;
- var update = (cal.dateClicked || p.electric);
- if (update && p.inputField) {
- p.inputField.value = cal.date.print(p.ifFormat);
- if (typeof p.inputField.onchange == "function")
- p.inputField.onchange();
- }
- if (update && p.displayArea)
- p.displayArea.innerHTML = cal.date.print(p.daFormat);
- if (update && typeof p.onUpdate == "function")
- p.onUpdate(cal);
- if (update && p.flat) {
- if (typeof p.flatCallback == "function")
- p.flatCallback(cal);
- }
- if (update && p.singleClick && cal.dateClicked)
- cal.callCloseHandler();
- };
- if (params.flat != null) {
- if (typeof params.flat == "string")
- params.flat = document.getElementById(params.flat);
- if (!params.flat) {
- alert("Calendar.setup:n Flat specified but can't find parent.");
- return false;
- }
- var cal = new Calendar(params.firstDay, params.date, params.onSelect || onSelect);
- cal.showsOtherMonths = params.showOthers;
- cal.showsTime = params.showsTime;
- cal.time24 = (params.timeFormat == "24");
- cal.params = params;
- cal.weekNumbers = params.weekNumbers;
- cal.setRange(params.range[0], params.range[1]);
- cal.setDateStatusHandler(params.dateStatusFunc);
- cal.getDateText = params.dateText;
- if (params.ifFormat) {
- cal.setDateFormat(params.ifFormat);
- }
- if (params.inputField && typeof params.inputField.value == "string") {
- cal.parseDate(params.inputField.value);
- }
- cal.create(params.flat);
- cal.show();
- return false;
- }
- var triggerEl = params.button || params.displayArea || params.inputField;
- triggerEl["on" + params.eventName] = function() {
- var dateEl = params.inputField || params.displayArea;
- var dateFmt = params.inputField ? params.ifFormat : params.daFormat;
- var mustCreate = false;
- var cal = window.calendar;
- if (dateEl)
- params.date = Date.parseDate(dateEl.value || dateEl.innerHTML, dateFmt);
- if (!(cal && params.cache)) {
- window.calendar = cal = new Calendar(params.firstDay,
- params.date,
- params.onSelect || onSelect,
- params.onClose || function(cal) { cal.hide(); });
- cal.showsTime = params.showsTime;
- cal.time24 = (params.timeFormat == "24");
- cal.weekNumbers = params.weekNumbers;
- mustCreate = true;
- } else {
- if (params.date)
- cal.setDate(params.date);
- cal.hide();
- }
- if (params.multiple) {
- cal.multiple = {};
- for (var i = params.multiple.length; --i >= 0;) {
- var d = params.multiple[i];
- var ds = d.print("%Y%m%d");
- cal.multiple[ds] = d;
- }
- }
- cal.showsOtherMonths = params.showOthers;
- cal.yearStep = params.step;
- cal.setRange(params.range[0], params.range[1]);
- cal.params = params;
- cal.setDateStatusHandler(params.dateStatusFunc);
- cal.getDateText = params.dateText;
- cal.setDateFormat(dateFmt);
- if (mustCreate)
- cal.create();
- cal.refresh();
- if (!params.position)
- cal.showAtElement(params.button || params.displayArea || params.inputField, params.align);
- else
- cal.showAt(params.position[0], params.position[1]);
- return false;
- };
- return cal;
- };