MediaWiki:Cluetip.js
Aus Offene Naturführer
Version vom 5. Juni 2010, 08:26 Uhr von Andreas Plank (Diskussion | Beiträge) (Code geändert: Inhalt jQuery Plugin Cluetip)
Hinweis - Leere nach dem Speichern den Browser-Cache, um die Änderungen sehen zu können: Mozilla/Firefox/Safari: Shift gedrückt halten und auf Aktualisieren klicken oder alternativ entweder Strg-F5 oder Strg-R (Befehlstaste-R bei Macintosh) drücken; Konqueror: Auf Aktualisieren klicken oder F5 drücken; Opera: Cache unter Extras → Internetspuren löschen…; Internet Explorer: Strg-F5 drücken oder Strg gedrückt halten und dabei Aktualisieren anklicken.
//////////////////////////////////////////////////
// Cluetip Code from http://plugins.learningjquery.com/cluetip/
// Dual licensed under the MIT and GPL licenses (compatible with license here):
// * http://www.opensource.org/licenses/mit-license.php
// * http://www.gnu.org/licenses/gpl.html/
/*
* jQuery clueTip plugin
* Version 1.0.6 (January 13, 2010)
* @requires jQuery v1.3+
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*/
/*
*
* Full list of options/settings can be found at the bottom of this file and at http://plugins.learningjquery.com/cluetip/
*
* Examples can be found at http://plugins.learningjquery.com/cluetip/demo/
*
*/
;(function($) {
$.cluetip = {version: '1.0.6'};
var $cluetip, $cluetipInner, $cluetipOuter, $cluetipTitle, $cluetipArrows, $cluetipWait, $dropShadow, imgCount;
$.fn.cluetip = function(js, options) {
if (typeof js == 'object') {
options = js;
js = null;
}
if (js == 'destroy') {
return this.removeData('thisInfo').unbind('.cluetip');
}
return this.each(function(index) {
var link = this, $this = $(this);
// support metadata plugin (v1.0 and 2.0)
var opts = $.extend(true, {}, $.fn.cluetip.defaults, options || {}, $.metadata ? $this.metadata() : $.meta ? $this.data() : {});
// start out with no contents (for ajax activation)
var cluetipContents = false;
var cluezIndex = +opts.cluezIndex;
$this.data('thisInfo', {title: link.title, zIndex: cluezIndex});
var isActive = false, closeOnDelay = 0;
// create the cluetip divs
if (!$('#cluetip').length) {
$(['<div id="cluetip">',
'<div id="cluetip-outer">',
'<h3 id="cluetip-title"></h3>',
'<div id="cluetip-inner"></div>',
'</div>',
'<div id="cluetip-extra"></div>',
'<div id="cluetip-arrows" class="cluetip-arrows"></div>',
'</div>'].join(''))
[insertionType](insertionElement).hide();
$cluetip = $('#cluetip').css({position: 'absolute'});
$cluetipOuter = $('#cluetip-outer').css({position: 'relative', zIndex: cluezIndex});
$cluetipInner = $('#cluetip-inner');
$cluetipTitle = $('#cluetip-title');
$cluetipArrows = $('#cluetip-arrows');
$cluetipWait = $('<div id="cluetip-waitimage"></div>')
.css({position: 'absolute'}).insertBefore($cluetip).hide();
}
var dropShadowSteps = (opts.dropShadow) ? +opts.dropShadowSteps : 0;
if (!$dropShadow) {
$dropShadow = $([]);
for (var i=0; i < dropShadowSteps; i++) {
$dropShadow = $dropShadow.add($('<div></div>').css({zIndex: cluezIndex-1, opacity:.1, top: 1+i, left: 1+i}));
}
$dropShadow.css({position: 'absolute', backgroundColor: '#000'})
.prependTo($cluetip);
}
var tipAttribute = $this.attr(opts.attribute), ctClass = opts.cluetipClass;
if (!tipAttribute && !opts.splitTitle && !js) {
return true;
}
// if hideLocal is set to true, on DOM ready hide the local content that will be displayed in the clueTip
if (opts.local && opts.localPrefix) {tipAttribute = opts.localPrefix + tipAttribute;}
if (opts.local && opts.hideLocal) { $(tipAttribute + ':first').hide(); }
var tOffset = parseInt(opts.topOffset, 10), lOffset = parseInt(opts.leftOffset, 10);
// vertical measurement variables
var tipHeight, wHeight,
defHeight = isNaN(parseInt(opts.height, 10)) ? 'auto' : (/\D/g).test(opts.height) ? opts.height : opts.height + 'px';
var sTop, linkTop, posY, tipY, mouseY, baseline;
// horizontal measurement variables
var tipInnerWidth = parseInt(opts.width, 10) || 275,
tipWidth = tipInnerWidth + (parseInt($cluetip.css('paddingLeft'),10)||0) + (parseInt($cluetip.css('paddingRight'),10)||0) + dropShadowSteps,
linkWidth = this.offsetWidth,
linkLeft, posX, tipX, mouseX, winWidth;
// parse the title
var tipParts;
var tipTitle = (opts.attribute != 'title') ? $this.attr(opts.titleAttribute) : '';
if (opts.splitTitle) {
if (tipTitle == undefined) {tipTitle = '';}
tipParts = tipTitle.split(opts.splitTitle);
tipTitle = tipParts.shift();
}
if (opts.escapeTitle) {
tipTitle = tipTitle.replace(/&/g,'&').replace(/>/g,'>').replace(/</g,'<');
}
var localContent;
function returnFalse() { return false; }
/***************************************
* ACTIVATION
****************************************/
//activate clueTip
var activate = function(event) {
if (!opts.onActivate($this)) {
return false;
}
isActive = true;
$cluetip.removeClass().css({width: tipInnerWidth});
if (tipAttribute == $this.attr('href')) {
$this.css('cursor', opts.cursor);
}
if (opts.hoverClass) {
$this.addClass(opts.hoverClass);
}
linkTop = posY = $this.offset().top;
linkLeft = $this.offset().left;
mouseX = event.pageX;
mouseY = event.pageY;
if (link.tagName.toLowerCase() != 'area') {
sTop = $(document).scrollTop();
winWidth = $(window).width();
}
// position clueTip horizontally
if (opts.positionBy == 'fixed') {
posX = linkWidth + linkLeft + lOffset;
$cluetip.css({left: posX});
} else {
posX = (linkWidth > linkLeft && linkLeft > tipWidth)
|| linkLeft + linkWidth + tipWidth + lOffset > winWidth
? linkLeft - tipWidth - lOffset
: linkWidth + linkLeft + lOffset;
if (link.tagName.toLowerCase() == 'area' || opts.positionBy == 'mouse' || linkWidth + tipWidth > winWidth) { // position by mouse
if (mouseX + 20 + tipWidth > winWidth) {
$cluetip.addClass(' cluetip-' + ctClass);
posX = (mouseX - tipWidth - lOffset) >= 0 ? mouseX - tipWidth - lOffset - parseInt($cluetip.css('marginLeft'),10) + parseInt($cluetipInner.css('marginRight'),10) : mouseX - (tipWidth/2);
} else {
posX = mouseX + lOffset;
}
}
var pY = posX < 0 ? event.pageY + tOffset : event.pageY;
$cluetip.css({
left: (posX > 0 && opts.positionBy != 'bottomTop') ? posX : (mouseX + (tipWidth/2) > winWidth) ? winWidth/2 - tipWidth/2 : Math.max(mouseX - (tipWidth/2),0),
zIndex: $this.data('thisInfo').zIndex
});
$cluetipArrows.css({zIndex: $this.data('thisInfo').zIndex+1});
}
wHeight = $(window).height();
/***************************************
* load a string from cluetip method's first argument
***************************************/
if (js) {
if (typeof js == 'function') {
js = js.call(link);
}
$cluetipInner.html(js);
cluetipShow(pY);
}
/***************************************
* load the title attribute only (or user-selected attribute).
* clueTip title is the string before the first delimiter
* subsequent delimiters place clueTip body text on separate lines
***************************************/
else if (tipParts) {
var tpl = tipParts.length;
$cluetipInner.html(tpl ? tipParts[0] : '');
if (tpl > 1) {
for (var i=1; i < tpl; i++){
$cluetipInner.append('<div class="split-body">' + tipParts[i] + '</div>');
}
}
cluetipShow(pY);
}
/***************************************
* load external file via ajax
***************************************/
else if (!opts.local && tipAttribute.indexOf('#') !== 0) {
if (/\.(jpe?g|tiff?|gif|png)$/i.test(tipAttribute)) {
$cluetipInner.html('<img src="' + tipAttribute + '" alt="' + tipTitle + '" />');
cluetipShow(pY);
} else if (cluetipContents && opts.ajaxCache) {
$cluetipInner.html(cluetipContents);
cluetipShow(pY);
} else {
var optionBeforeSend = opts.ajaxSettings.beforeSend,
optionError = opts.ajaxSettings.error,
optionSuccess = opts.ajaxSettings.success,
optionComplete = opts.ajaxSettings.complete;
var ajaxSettings = {
cache: false, // force requested page not to be cached by browser
url: tipAttribute,
beforeSend: function(xhr) {
if (optionBeforeSend) {optionBeforeSend.call(link, xhr, $cluetip, $cluetipInner);}
$cluetipOuter.children().empty();
if (opts.waitImage) {
$cluetipWait
.css({top: mouseY+20, left: mouseX+20, zIndex: $this.data('thisInfo').zIndex-1})
.show();
}
},
error: function(xhr, textStatus) {
if (isActive) {
if (optionError) {
optionError.call(link, xhr, textStatus, $cluetip, $cluetipInner);
} else {
$cluetipInner.html('<i>sorry, the contents could not be loaded</i>');
}
}
},
success: function(data, textStatus) {
cluetipContents = opts.ajaxProcess.call(link, data);
if (isActive) {
if (optionSuccess) {optionSuccess.call(link, data, textStatus, $cluetip, $cluetipInner);}
$cluetipInner.html(cluetipContents);
}
},
complete: function(xhr, textStatus) {
if (optionComplete) {optionComplete.call(link, xhr, textStatus, $cluetip, $cluetipInner);}
imgCount = $('#cluetip-inner img').length;
if (imgCount && !$.browser.opera) {
$('#cluetip-inner img').bind('load error', function() {
imgCount--;
if (imgCount<1) {
$cluetipWait.hide();
if (isActive) { cluetipShow(pY); }
}
});
} else {
$cluetipWait.hide();
if (isActive) { cluetipShow(pY); }
}
}
};
var ajaxMergedSettings = $.extend(true, {}, opts.ajaxSettings, ajaxSettings);
$.ajax(ajaxMergedSettings);
}
/***************************************
* load an element from the same page
***************************************/
} else if (opts.local) {
var $localContent = $(tipAttribute + (/#\S+$/.test(tipAttribute) ? '' : ':eq(' + index + ')')).clone(true).show();
$cluetipInner.html($localContent);
cluetipShow(pY);
}
};
// get dimensions and options for cluetip and prepare it to be shown
var cluetipShow = function(bpY) {
$cluetip.addClass('cluetip-' + ctClass);
if (opts.truncate) {
var $truncloaded = $cluetipInner.text().slice(0,opts.truncate) + '...';
$cluetipInner.html($truncloaded);
}
function doNothing() {}; //empty function
tipTitle ? $cluetipTitle.show().html(tipTitle) : (opts.showTitle) ? $cluetipTitle.show().html(' ') : $cluetipTitle.hide();
if (opts.sticky) {
var $closeLink = $('<div id="cluetip-close"><a href="#">' + opts.closeText + '</a></div>');
(opts.closePosition == 'bottom') ? $closeLink.appendTo($cluetipInner) : (opts.closePosition == 'title') ? $closeLink.prependTo($cluetipTitle) : $closeLink.prependTo($cluetipInner);
$closeLink.bind('click.cluetip', function() {
cluetipClose();
return false;
});
if (opts.mouseOutClose) {
$cluetip.bind('mouseleave.cluetip', function() {
cluetipClose();
});
} else {
$cluetip.unbind('mouseleave.cluetip');
}
}
// now that content is loaded, finish the positioning
var direction = '';
$cluetipOuter.css({zIndex: $this.data('thisInfo').zIndex, overflow: defHeight == 'auto' ? 'visible' : 'auto', height: defHeight});
tipHeight = defHeight == 'auto' ? Math.max($cluetip.outerHeight(),$cluetip.height()) : parseInt(defHeight,10);
tipY = posY;
baseline = sTop + wHeight;
if (opts.positionBy == 'fixed') {
tipY = posY - opts.dropShadowSteps + tOffset;
} else if ( (posX < mouseX && Math.max(posX, 0) + tipWidth > mouseX) || opts.positionBy == 'bottomTop') {
if (posY + tipHeight + tOffset > baseline && mouseY - sTop > tipHeight + tOffset) {
tipY = mouseY - tipHeight - tOffset;
direction = 'top';
} else {
tipY = mouseY + tOffset;
direction = 'bottom';
}
} else if ( posY + tipHeight + tOffset > baseline ) {
tipY = (tipHeight >= wHeight) ? sTop : baseline - tipHeight - tOffset;
} else if ($this.css('display') == 'block' || link.tagName.toLowerCase() == 'area' || opts.positionBy == "mouse") {
tipY = bpY - tOffset;
} else {
tipY = posY - opts.dropShadowSteps;
}
if (direction == '') {
posX < linkLeft ? direction = 'left' : direction = 'right';
}
$cluetip.css({top: tipY + 'px'}).removeClass().addClass('clue-' + direction + '-' + ctClass).addClass(' cluetip-' + ctClass);
if (opts.arrows) { // set up arrow positioning to align with element
var bgY = (posY - tipY - opts.dropShadowSteps);
$cluetipArrows.css({top: (/(left|right)/.test(direction) && posX >=0 && bgY > 0) ? bgY + 'px' : /(left|right)/.test(direction) ? 0 : ''}).show();
} else {
$cluetipArrows.hide();
}
// (first hide, then) ***SHOW THE CLUETIP***
$dropShadow.hide();
$cluetip.hide()[opts.fx.open](opts.fx.openSpeed || 0);
if (opts.dropShadow) { $dropShadow.css({height: tipHeight, width: tipInnerWidth, zIndex: $this.data('thisInfo').zIndex-1}).show(); }
if ($.fn.bgiframe) { $cluetip.bgiframe(); }
// delayed close (not fully tested)
if (opts.delayedClose > 0) {
closeOnDelay = setTimeout(cluetipClose, opts.delayedClose);
}
// trigger the optional onShow function
opts.onShow.call(link, $cluetip, $cluetipInner);
};
/***************************************
=INACTIVATION
-------------------------------------- */
var inactivate = function(event) {
isActive = false;
$cluetipWait.hide();
if (!opts.sticky || (/click|toggle/).test(opts.activation) ) {
cluetipClose();
clearTimeout(closeOnDelay);
}
if (opts.hoverClass) {
$this.removeClass(opts.hoverClass);
}
};
// close cluetip and reset some things
var cluetipClose = function() {
$cluetipOuter
.parent().hide().removeClass();
opts.onHide.call(link, $cluetip, $cluetipInner);
$this.removeClass('cluetip-clicked');
if (tipTitle) {
$this.attr(opts.titleAttribute, tipTitle);
}
$this.css('cursor','');
if (opts.arrows) {
$cluetipArrows.css({top: ''});
}
};
$(document).bind('hideCluetip', function(e) {
cluetipClose();
});
/***************************************
=BIND EVENTS
-------------------------------------- */
// activate by click
if ( (/click|toggle/).test(opts.activation) ) {
$this.bind('click.cluetip', function(event) {
if ($cluetip.is(':hidden') || !$this.is('.cluetip-clicked')) {
activate(event);
$('.cluetip-clicked').removeClass('cluetip-clicked');
$this.addClass('cluetip-clicked');
} else {
inactivate(event);
}
this.blur();
return false;
});
// activate by focus; inactivate by blur
} else if (opts.activation == 'focus') {
$this.bind('focus.cluetip', function(event) {
activate(event);
});
$this.bind('blur.cluetip', function(event) {
inactivate(event);
});
// activate by hover
} else {
// clicking is returned false if clickThrough option is set to false
$this[opts.clickThrough ? 'unbind' : 'bind']('click', returnFalse);
//set up mouse tracking
var mouseTracks = function(evt) {
if (opts.tracking == true) {
var trackX = posX - evt.pageX;
var trackY = tipY ? tipY - evt.pageY : posY - evt.pageY;
$this.bind('mousemove.cluetip', function(evt) {
$cluetip.css({left: evt.pageX + trackX, top: evt.pageY + trackY });
});
}
};
if ($.fn.hoverIntent && opts.hoverIntent) {
$this.hoverIntent({
sensitivity: opts.hoverIntent.sensitivity,
interval: opts.hoverIntent.interval,
over: function(event) {
activate(event);
mouseTracks(event);
},
timeout: opts.hoverIntent.timeout,
out: function(event) {inactivate(event); $this.unbind('mousemove.cluetip');}
});
} else {
$this.bind('mouseenter.cluetip', function(event) {
activate(event);
mouseTracks(event);
})
.bind('mouseleave.cluetip', function(event) {
inactivate(event);
$this.unbind('mousemove.cluetip');
});
}
$this.bind('mouseover.cluetip', function(event) {
$this.attr('title','');
}).bind('mouseleave.cluetip', function(event) {
$this.attr('title', $this.data('thisInfo').title);
});
}
});
};
/*
* options for clueTip
*
* each one can be explicitly overridden by changing its value.
* for example: $.fn.cluetip.defaults.width = 200;
* would change the default width for all clueTips to 200.
*
* each one can also be overridden by passing an options map to the cluetip method.
* for example: $('a.example').cluetip({width: 200});
* would change the default width to 200 for clueTips invoked by a link with class of "example"
*
*/
$.fn.cluetip.defaults = { // set up default options
width: 275, // The width of the clueTip
height: 'auto', // The height of the clueTip
cluezIndex: 97, // Sets the z-index style property of the clueTip
positionBy: 'auto', // Sets the type of positioning: 'auto', 'mouse','bottomTop', 'fixed'
topOffset: 15, // Number of px to offset clueTip from top of invoking element
leftOffset: 15, // Number of px to offset clueTip from left of invoking element
local: false, // Whether to use content from the same page for the clueTip's body
localPrefix: null, // string to be prepended to the tip attribute if local is true
hideLocal: true, // If local option is set to true, this determines whether local content
// to be shown in clueTip should be hidden at its original location
attribute: 'rel', // the attribute to be used for fetching the clueTip's body content
titleAttribute: 'title', // the attribute to be used for fetching the clueTip's title
splitTitle: '', // A character used to split the title attribute into the clueTip title and divs
// within the clueTip body. more info below [6]
escapeTitle: false, // whether to html escape the title attribute
showTitle: true, // show title bar of the clueTip, even if title attribute not set
cluetipClass: 'default',// class added to outermost clueTip div in the form of 'cluetip-' + clueTipClass.
hoverClass: '', // class applied to the invoking element onmouseover and removed onmouseout
waitImage: true, // whether to show a "loading" img, which is set in jquery.cluetip.css
cursor: 'help',
arrows: false, // if true, displays arrow on appropriate side of clueTip
dropShadow: true, // set to false if you don't want the drop-shadow effect on the clueTip
dropShadowSteps: 6, // adjusts the size of the drop shadow
sticky: false, // keep visible until manually closed
mouseOutClose: false, // close when clueTip is moused out
activation: 'hover', // set to 'click' to force user to click to show clueTip
// set to 'focus' to show on focus of a form element and hide on blur
clickThrough: false, // if true, and activation is not 'click', then clicking on link will take user to the link's href,
// even if href and tipAttribute are equal
tracking: false, // if true, clueTip will track mouse movement (experimental)
delayedClose: 0, // close clueTip on a timed delay (experimental)
closePosition: 'top', // location of close text for sticky cluetips; can be 'top' or 'bottom' or 'title'
closeText: 'Close', // text (or HTML) to to be clicked to close sticky clueTips
truncate: 0, // number of characters to truncate clueTip's contents. if 0, no truncation occurs
// effect and speed for opening clueTips
fx: {
open: 'show', // can be 'show' or 'slideDown' or 'fadeIn'
openSpeed: ''
},
// settings for when hoverIntent plugin is used
hoverIntent: {
sensitivity: 3,
interval: 50,
timeout: 0
},
// short-circuit function to run just before clueTip is shown.
onActivate: function(e) {return true;},
// function to run just after clueTip is shown.
onShow: function(ct, ci){},
// function to run just after clueTip is hidden.
onHide: function(ct, ci){},
// whether to cache results of ajax request to avoid unnecessary hits to server
ajaxCache: true,
// process data retrieved via xhr before it's displayed
ajaxProcess: function(data) {
data = data.replace(/<(script|style|title)[^<]+<\/(script|style|title)>/gm, '').replace(/<(link|meta)[^>]+>/g,'');
return data;
},
// can pass in standard $.ajax() parameters. Callback functions, such as beforeSend,
// will be queued first within the default callbacks.
// The only exception is error, which overrides the default
ajaxSettings: {
// error: function(ct, ci) { /* override default error callback */ }
// beforeSend: function(ct, ci) { /* called first within default beforeSend callback }
dataType: 'html'
},
debug: false
};
/*
* Global defaults for clueTips. Apply to all calls to the clueTip plugin.
*
* @example $.cluetip.setup({
* insertionType: 'prependTo',
* insertionElement: '#container'
* });
*
* @property
* @name $.cluetip.setup
* @type Map
* @cat Plugins/tooltip
* @option String insertionType: Default is 'appendTo'. Determines the method to be used for inserting the clueTip into the DOM. Permitted values are 'appendTo', 'prependTo', 'insertBefore', and 'insertAfter'
* @option String insertionElement: Default is 'body'. Determines which element in the DOM the plugin will reference when inserting the clueTip.
*
*/
var insertionType = 'appendTo', insertionElement = 'body';
$.cluetip.setup = function(options) {
if (options && options.insertionType && (options.insertionType).match(/appendTo|prependTo|insertBefore|insertAfter/)) {
insertionType = options.insertionType;
}
if (options && options.insertionElement) {
insertionElement = options.insertionElement;
}
};
})(jQuery);
