/**
* o------------------------------------------------------------------------------o
* | This package is licensed under the Phpguru license. A quick summary is |
* | that the code is free to use for non-commercial purposes. For commercial |
* | purposes of any kind there is a small license fee to pay. You can read more |
* | at: |
* | http://www.phpguru.org/static/license.html |
* o------------------------------------------------------------------------------o
*
* © Copyright 2008 Richard Heyes
*/
/**
* Global variables
*/
dynCalendar_layers = new Array();
dynCalendar_mouseoverStatus = false;
dynCalendar_mouseX = 0;
dynCalendar_mouseY = 0;
/**
* The calendar constructor
*
* @access public
* @param string objName Name of the object that you create
* @param string callbackFunc Name of the callback function
* @param string OPTIONAL Optional layer name
* @param string OPTIONAL Optional images path
*/
function dynCalendar(objName, callbackFunc)
{
/**
* Properties
*/
// Todays date
this.today = new Date();
this.date = this.today.getDate();
this.month = this.today.getMonth();
this.year = this.today.getFullYear();
this.objName = objName;
this.callbackFunc = callbackFunc;
this.imagesPath = arguments[2] ? arguments[2] : 'images/';
this.layerID = arguments[3] ? arguments[3] : 'dynCalendar_layer_' + dynCalendar_layers.length;
/*byAli*/
this.pos = arguments[4];
this.offsetX = 5;
this.offsetY = -155;
this.useMonthCombo = true;
this.useYearCombo = true;
this.yearComboRange = 5;
this.currentMonth = this.month;
this.currentYear = this.year;
/**
* Public Methods
*/
this.show = dynCalendar_show;
this.writeHTML = dynCalendar_writeHTML;
// Accessor methods
this.setOffset = dynCalendar_setOffset;
this.setOffsetX = dynCalendar_setOffsetX;
this.setOffsetY = dynCalendar_setOffsetY;
this.setImagesPath = dynCalendar_setImagesPath;
this.setMonthCombo = dynCalendar_setMonthCombo;
this.setYearCombo = dynCalendar_setYearCombo;
this.setCurrentMonth = dynCalendar_setCurrentMonth;
this.setCurrentYear = dynCalendar_setCurrentYear;
this.setYearComboRange = dynCalendar_setYearComboRange;
/**
* Private methods
*/
// Layer manipulation
this._getLayer = dynCalendar_getLayer;
this._hideLayer = dynCalendar_hideLayer;
this._showLayer = dynCalendar_showLayer;
this._setLayerPosition = dynCalendar_setLayerPosition;
this._setHTML = dynCalendar_setHTML;
// Miscellaneous
this._getDaysInMonth = dynCalendar_getDaysInMonth;
this._mouseover = dynCalendar_mouseover;
/**
* Constructor type code
*/
dynCalendar_layers[dynCalendar_layers.length] = this;
this.writeHTML();
}
/**
* Shows the calendar, or updates the layer if
* already visible.
*
* @access public
* @param integer month Optional month number (0-11)
* @param integer year Optional year (YYYY format)
*/
function dynCalendar_show()
{
// Variable declarations to prevent globalisation
var month, year, monthnames, numdays, thisMonth, firstOfMonth;
var ret, row, i, cssClass, linkHTML, previousMonth, previousYear;
var nextMonth, nextYear, prevImgHTML, prevLinkHTML, nextImgHTML, nextLinkHTML;
var monthComboOptions, monthCombo, yearComboOptions, yearCombo, html;
this.currentMonth = month = arguments[0] != null ? arguments[0] : this.currentMonth;
this.currentYear = year = arguments[1] != null ? arguments[1] : this.currentYear;
monthnames = new Array('Januar', 'Februar', 'März', 'April', 'Mai', 'Juni', 'Juli', 'August', 'September', 'Oktober', 'November', 'Dezember');
numdays = this._getDaysInMonth(month, year);
thisMonth = new Date(year, month, 1);
firstOfMonth = thisMonth.getDay();
// First few blanks up to first day
ret = new Array(new Array());
for(i=0; i<firstOfMonth; i++){
ret[0][ret[0].length] = '<td> </td>';
}
// Main body of calendar
row = 0;
i = 1;
while(i <= numdays){
if(ret[row].length == 7){
ret[++row] = new Array();
}
/**
* Generate this cells' HTML
*/
cssClass = (i == this.date && month == this.month && year == this.year) ? 'dynCalendar_today' : 'dynCalendar_day';
linkHTML = '<a href="javascript: ' + this.callbackFunc + '(' + i + ', ' + (Number(month) + 1) + ', ' + year + ', ' + this.pos + '); ' + this.objName + '._hideLayer()">' + (i++) + '</a>';
ret[row][ret[row].length] = '<td align="center" class="' + cssClass + '">' + linkHTML + '</td>';
}
// Format the HTML
for(i=0; i<ret.length; i++){
ret[i] = ret[i].join('\n') + '\n';
}
previousYear = thisMonth.getFullYear();
previousMonth = thisMonth.getMonth() - 1;
if(previousMonth < 0){
previousMonth = 11;
previousYear--;
}
nextYear = thisMonth.getFullYear();
nextMonth = thisMonth.getMonth() + 1;
if(nextMonth > 11){
nextMonth = 0;
nextYear++;
}
prevImgHTML = '<img src="' + this.imagesPath + '/prev.gif" alt="<<" border="0" />';
prevLinkHTML = '<a href="javascript: ' + this.objName + '.show(' + previousMonth + ', ' + previousYear + ')">' + prevImgHTML + '</a>';
nextImgHTML = '<img src="' + this.imagesPath + '/next.gif" alt="<<" border="0" />';
nextLinkHTML = '<a href="javascript: ' + this.objName + '.show(' + nextMonth + ', ' + nextYear + ')">' + nextImgHTML + '</a>';
/**
* Build month combo
*/
if (this.useMonthCombo) {
monthComboOptions = '';
for (i=0; i<12; i++) {
selected = (i == thisMonth.getMonth() ? 'selected="selected"' : '');
monthComboOptions += '<option value="' + i + '" ' + selected + '>' + monthnames[i] + '</option>';
}
monthCombo = '<select name="months" onchange="' + this.objName + '.show(this.options[this.selectedIndex].value, ' + this.objName + '.currentYear)">' + monthComboOptions + '</select>';
} else {
monthCombo = monthnames[thisMonth.getMonth()];
}
/**
* Build year combo
*/
if (this.useYearCombo) {
yearComboOptions = '';
for (i = thisMonth.getFullYear() - this.yearComboRange; i <= (thisMonth.getFullYear() + this.yearComboRange); i++) {
selected = (i == thisMonth.getFullYear() ? 'selected="selected"' : '');
yearComboOptions += '<option value="' + i + '" ' + selected + '>' + i + '</option>';
}
yearCombo = '<select style="border: 1px groove" name="years" onchange="' + this.objName + '.show(' + this.objName + '.currentMonth, this.options[this.selectedIndex].value)">' + yearComboOptions + '</select>';
} else {
yearCombo = thisMonth.getFullYear();
}
html = '<table width=220pt border="0" bgcolor="#eeeeee">';
html += '<tr><td class="dynCalendar_header">' + prevLinkHTML + '</td><td colspan="5" align="center" class="dynCalendar_header">' + monthCombo + ' ' + yearCombo + '</td><td align="right" class="dynCalendar_header">' + nextLinkHTML + '</td></tr>';
html += '<tr>';
html += '<td class="dynCalendar_dayname">So</td>';
html += '<td class="dynCalendar_dayname">Mo</td>';
html += '<td class="dynCalendar_dayname">Di</td>';
html += '<td class="dynCalendar_dayname">Mi</td>';
html += '<td class="dynCalendar_dayname">Do</td>';
html += '<td class="dynCalendar_dayname">Fr</td>';
html += '<td class="dynCalendar_dayname">Sa</td></tr>';
html += '<tr>' + ret.join('</tr>\n<tr>') + '</tr>';
html += '</table>';
this._setHTML(html);
if (!arguments[0] && !arguments[1]) {
this._showLayer();
this._setLayerPosition();
}
}
/**
* Writes HTML to document for layer
*
* @access public
*/
function dynCalendar_writeHTML()
{
if (is_ie5up || is_nav6up || is_gecko) {
document.write('<a href="javascript: ' + this.objName + '.show()"><img src="' + this.imagesPath + 'dynCalendar.gif" border="0" width="16" height="16" /></a>');
document.write('<div class="dynCalendar" id="' + this.layerID + '" onmouseover="' + this.objName + '._mouseover(true)" onmouseout="' + this.objName + '._mouseover(false)"></div>');
}
}
/**
* Sets the offset to the mouse position
* that the calendar appears at.
*
* @access public
* @param integer Xoffset Number of pixels for vertical
* offset from mouse position
* @param integer Yoffset Number of pixels for horizontal
* offset from mouse position
*/
function dynCalendar_setOffset(Xoffset, Yoffset)
{
this.setOffsetX(Xoffset);
this.setOffsetY(Yoffset);
}
/**
* Sets the X offset to the mouse position
* that the calendar appears at.
*
* @access public
* @param integer Xoffset Number of pixels for horizontal
* offset from mouse position
*/
function dynCalendar_setOffsetX(Xoffset)
{
this.offsetX = Xoffset;
}
/**
* Sets the Y offset to the mouse position
* that the calendar appears at.
*
* @access public
* @param integer Yoffset Number of pixels for vertical
* offset from mouse position
*/
function dynCalendar_setOffsetY(Yoffset)
{
this.offsetY = Yoffset;
}
/**
* Sets the images path
*
* @access public
* @param string path Path to use for images
*/
function dynCalendar_setImagesPath(path)
{
this.imagesPath = path;
}
/**
* Turns on/off the month dropdown
*
* @access public
* @param boolean useMonthCombo Whether to use month dropdown or not
*/
function dynCalendar_setMonthCombo(useMonthCombo)
{
this.useMonthCombo = useMonthCombo;
}
/**
* Turns on/off the year dropdown
*
* @access public
* @param boolean useYearCombo Whether to use year dropdown or not
*/
function dynCalendar_setYearCombo(useYearCombo)
{
this.useYearCombo = useYearCombo;
}
/**
* Sets the current month being displayed
*
* @access public
* @param boolean month The month to set the current month to
*/
function dynCalendar_setCurrentMonth(month)
{
this.currentMonth = month;
}
/**
* Sets the current month being displayed
*
* @access public
* @param boolean year The year to set the current year to
*/
function dynCalendar_setCurrentYear(year)
{
this.currentYear = year;
}
/**
* Sets the range of the year combo. Displays this number of
* years either side of the year being displayed.
*
* @access public
* @param integer range The range to set
*/
function dynCalendar_setYearComboRange(range)
{
this.yearComboRange = range;
}
/**
* Returns the layer object
*
* @access private
*/
function dynCalendar_getLayer()
{
var layerID = this.layerID;
if (document.getElementById(layerID)) {
return document.getElementById(layerID);
} else if (document.all(layerID)) {
return document.all(layerID);
}
}
/**
* Hides the calendar layer
*
* @access private
*/
function dynCalendar_hideLayer()
{
this._getLayer().style.visibility = 'hidden';
}
/**
* Shows the calendar layer
*
* @access private
*/
function dynCalendar_showLayer()
{
this._getLayer().style.visibility = 'visible';
}
/**
* Sets the layers position
*
* @access private
*/
function dynCalendar_setLayerPosition()
{
this._getLayer().style.top = (dynCalendar_mouseY + this.offsetY) + 'px';
this._getLayer().style.left = (dynCalendar_mouseX + this.offsetX) + 'px';
}
/**
* Sets the innerHTML attribute of the layer
*
* @access private
*/
function dynCalendar_setHTML(html)
{
this._getLayer().innerHTML = html;
}
/**
* Returns number of days in the supplied month
*
* @access private
* @param integer month The month to get number of days in
* @param integer year The year of the month in question
*/
function dynCalendar_getDaysInMonth(month, year)
{
monthdays = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
if (month != 1) {
return monthdays[month];
} else {
return ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0 ? 29 : 28);
}
}
/**
* onMouse(Over|Out) event handler
*
* @access private
* @param boolean status Whether the mouse is over the
* calendar or not
*/
function dynCalendar_mouseover(status)
{
dynCalendar_mouseoverStatus = status;
return true;
}
/**
* onMouseMove event handler
*/
dynCalendar_oldOnmousemove = document.onmousemove ? document.onmousemove : new Function;
document.onmousemove = function ()
{
if (is_ie5up || is_nav6up || is_gecko) {
if (arguments[0]) {
dynCalendar_mouseX = arguments[0].pageX;
dynCalendar_mouseY = arguments[0].pageY;
} else {
dynCalendar_mouseX = event.clientX + document.body.scrollLeft;
dynCalendar_mouseY = event.clientY + document.body.scrollTop;
arguments[0] = null;
}
dynCalendar_oldOnmousemove();
}
}
/**
* Callbacks for document.onclick
*/
dynCalendar_oldOnclick = document.onclick ? document.onclick : new Function;
document.onclick = function ()
{
if (is_ie5up || is_nav6up || is_gecko) {
if(!dynCalendar_mouseoverStatus){
for(i=0; i<dynCalendar_layers.length; ++i){
dynCalendar_layers[i]._hideLayer();
}
}
dynCalendar_oldOnclick(arguments[0] ? arguments[0] : null);
}
}