Matthias Jentsch 124b42c9f1 Remove tcpdf library and use dompdf instead
Remove tcpdf because of improper CSS support and use Dompdf instead, to be able
to generate pdfs that look similar to the html views

refs #4356
2014-02-12 12:11:01 +01:00

441 lines
13 KiB
JavaScript

/*******************************************************************************
* This notice must be untouched at all times.
*
* This javascript library contains helper routines to assist with event
* handling consinstently among browsers
*
* EventHelpers.js v.1.3 available at http://www.useragentman.com/
*
* released under the MIT License:
* http://www.opensource.org/licenses/mit-license.php
*
*******************************************************************************/
var EventHelpers = new function(){
var me = this;
var safariTimer;
var isSafari = /WebKit/i.test(navigator.userAgent);
var globalEvent;
me.init = function () {
if (me.hasPageLoadHappened(arguments)) {
return;
}
if (document.createEventObject){
// dispatch for IE
globalEvent = document.createEventObject();
} else if (document.createEvent) {
globalEvent = document.createEvent("HTMLEvents");
}
me.docIsLoaded = true;
}
/**
* Adds an event to the document. Examples of usage:
* me.addEvent(window, "load", myFunction);
* me.addEvent(docunent, "keydown", keyPressedFunc);
* me.addEvent(document, "keyup", keyPressFunc);
*
* @author Scott Andrew - http://www.scottandrew.com/weblog/articles/cbs-events
* @author John Resig - http://ejohn.org/projects/flexible-javascript-events/
* @param {Object} obj - a javascript object.
* @param {String} evType - an event to attach to the object.
* @param {Function} fn - the function that is attached to the event.
*/
me.addEvent = function(obj, evType, fn){
if (obj.addEventListener) {
obj.addEventListener(evType, fn, false);
} else if (obj.attachEvent) {
obj['e' + evType + fn] = fn;
obj[evType + fn] = function(){
obj["e" + evType + fn](self.event);
}
obj.attachEvent("on" + evType, obj[evType + fn]);
}
}
/**
* Removes an event that is attached to a javascript object.
*
* @author Scott Andrew - http://www.scottandrew.com/weblog/articles/cbs-events
* @author John Resig - http://ejohn.org/projects/flexible-javascript-events/ * @param {Object} obj - a javascript object.
* @param {String} evType - an event attached to the object.
* @param {Function} fn - the function that is called when the event fires.
*/
me.removeEvent = function(obj, evType, fn){
if (obj.removeEventListener) {
obj.removeEventListener(evType, fn, false);
} else if (obj.detachEvent) {
try {
obj.detachEvent("on" + evType, obj[evType + fn]);
obj[evType + fn] = null;
obj["e" + evType + fn] = null;
}
catch (ex) {
// do nothing;
}
}
}
function removeEventAttribute(obj, beginName){
var attributes = obj.attributes;
for (var i = 0; i < attributes.length; i++) {
var attribute = attributes[i]
var name = attribute.name
if (name.indexOf(beginName) == 0) {
//obj.removeAttributeNode(attribute);
attribute.specified = false;
}
}
}
me.addScrollWheelEvent = function(obj, fn){
if (obj.addEventListener) {
/** DOMMouseScroll is for mozilla. */
obj.addEventListener('DOMMouseScroll', fn, true);
}
/** IE/Opera. */
if (obj.attachEvent) {
obj.attachEvent("onmousewheel", fn);
}
}
me.removeScrollWheelEvent = function(obj, fn){
if (obj.removeEventListener) {
/** DOMMouseScroll is for mozilla. */
obj.removeEventListener('DOMMouseScroll', fn, true);
}
/** IE/Opera. */
if (obj.detachEvent) {
obj.detatchEvent("onmousewheel", fn);
}
}
/**
* Given a mouse event, get the mouse pointer's x-coordinate.
*
* @param {Object} e - a DOM Event object.
* @return {int} - the mouse pointer's x-coordinate.
*/
me.getMouseX = function(e){
if (!e) {
return;
}
// NS4
if (e.pageX != null) {
return e.pageX;
// IE
} else if (window.event != null && window.event.clientX != null &&
document.body != null &&
document.body.scrollLeft != null)
return window.event.clientX + document.body.scrollLeft;
// W3C
else if (e.clientX != null)
return e.clientX;
else
return null;
}
/**
* Given a mouse event, get the mouse pointer's y-coordinate.
* @param {Object} e - a DOM Event Object.
* @return {int} - the mouse pointer's y-coordinate.
*/
me.getMouseY = function(e){
// NS4
if (e.pageY != null)
return e.pageY;
// IE
else if (window.event != null && window.event.clientY != null &&
document.body != null &&
document.body.scrollTop != null)
return window.event.clientY + document.body.scrollTop;
// W3C
else if (e.clientY != null) {
return e.clientY;
}
}
/**
* Given a mouse scroll wheel event, get the "delta" of how fast it moved.
* @param {Object} e - a DOM Event Object.
* @return {int} - the mouse wheel's delta. It is greater than 0, the
* scroll wheel was spun upwards; if less than 0, downwards.
*/
me.getScrollWheelDelta = function(e){
var delta = 0;
if (!e) /* For IE. */
e = window.event;
if (e.wheelDelta) { /* IE/Opera. */
delta = e.wheelDelta / 120;
/** In Opera 9, delta differs in sign as compared to IE.
*/
if (window.opera) {
delta = -delta;
}
} else if (e.detail) { /** Mozilla case. */
/** In Mozilla, sign of delta is different than in IE.
* Also, delta is multiple of 3.
*/
delta = -e.detail / 3;
}
return delta
}
/**
* Sets a mouse move event of a document.
*
* @deprecated - use only if compatibility with IE4 and NS4 is necessary. Otherwise, just
* use EventHelpers.addEvent(window, 'mousemove', func) instead. Cannot be used to add
* multiple mouse move event handlers.
*
* @param {Function} func - the function that you want a mouse event to fire.
*/
me.addMouseEvent = function(func){
if (document.captureEvents) {
document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = func;
window.onmousemove = func;
window.onmouseover = func;
}
/**
* Find the HTML object that fired an Event.
*
* @param {Object} e - an HTML object
* @return {Object} - the HTML object that fired the event.
*/
me.getEventTarget = function(e){
// first, IE method for mouse events(also supported by Safari and Opera)
if (e.toElement) {
return e.toElement;
// W3C
} else if (e.currentTarget) {
return e.currentTarget;
// MS way
} else if (e.srcElement) {
return e.srcElement;
} else {
return null;
}
}
/**
* Given an event fired by the keyboard, find the key associated with that event.
*
* @param {Object} e - an event object.
* @return {String} - the ASCII character code representing the key associated with the event.
*/
me.getKey = function(e){
if (e.keyCode) {
return e.keyCode;
} else if (e.event && e.event.keyCode) {
return window.event.keyCode;
} else if (e.which) {
return e.which;
}
}
/**
* Will execute a function when the page's DOM has fully loaded (and before all attached images, iframes,
* etc., are).
*
* Usage:
*
* EventHelpers.addPageLoadEvent('init');
*
* where the function init() has this code at the beginning:
*
* function init() {
*
* if (EventHelpers.hasPageLoadHappened(arguments)) return;
*
* // rest of code
* ....
* }
*
* @author This code is based off of code from http://dean.edwards.name/weblog/2005/09/busted/ by Dean
* Edwards, with a modification by me.
*
* @param {String} funcName - a string containing the function to be called.
*/
me.addPageLoadEvent = function(funcName){
var func = eval(funcName);
// for Internet Explorer (using conditional comments)
/*@cc_on @*/
/*@if (@_win32)
pageLoadEventArray.push(func);
return;
/*@end @*/
if (isSafari) { // sniff
pageLoadEventArray.push(func);
if (!safariTimer) {
safariTimer = setInterval(function(){
if (/loaded|complete/.test(document.readyState)) {
clearInterval(safariTimer);
/*
* call the onload handler
* func();
*/
me.runPageLoadEvents();
return;
}
set = true;
}, 10);
}
/* for Mozilla */
} else if (document.addEventListener) {
var x = document.addEventListener("DOMContentLoaded", func, null);
/* Others */
} else {
me.addEvent(window, 'load', func);
}
}
var pageLoadEventArray = new Array();
me.runPageLoadEvents = function(e){
if (isSafari || e.srcElement.readyState == "complete") {
for (var i = 0; i < pageLoadEventArray.length; i++) {
pageLoadEventArray[i]();
}
}
}
/**
* Determines if either addPageLoadEvent('funcName') or addEvent(window, 'load', funcName)
* has been executed.
*
* @see addPageLoadEvent
* @param {Function} funcArgs - the arguments of the containing. function
*/
me.hasPageLoadHappened = function(funcArgs){
// If the function already been called, return true;
if (funcArgs.callee.done)
return true;
// flag this function so we don't do the same thing twice
funcArgs.callee.done = true;
}
/**
* Used in an event method/function to indicate that the default behaviour of the event
* should *not* happen.
*
* @param {Object} e - an event object.
* @return {Boolean} - always false
*/
me.preventDefault = function(e){
if (e.preventDefault) {
e.preventDefault();
}
try {
e.returnValue = false;
}
catch (ex) {
// do nothing
}
}
me.cancelBubble = function(e){
if (e.stopPropagation) {
e.stopPropagation();
}
try {
e.cancelBubble = true;
}
catch (ex) {
// do nothing
}
}
/*
* Fires an event manually.
* @author Scott Andrew - http://www.scottandrew.com/weblog/articles/cbs-events
* @author John Resig - http://ejohn.org/projects/flexible-javascript-events/ * @param {Object} obj - a javascript object.
* @param {String} evType - an event attached to the object.
* @param {Function} fn - the function that is called when the event fires.
*
*/
me.fireEvent = function (element,event, options){
if(!element) {
return;
}
if (document.createEventObject){
/*
var stack = DebugHelpers.getStackTrace();
var s = stack.toString();
jslog.debug(s);
if (s.indexOf('fireEvent') >= 0) {
return;
}
*/
return element.fireEvent('on' + event, globalEvent)
jslog.debug('ss');
}
else{
// dispatch for firefox + others
globalEvent.initEvent(event, true, true); // event type,bubbling,cancelable
return !element.dispatchEvent(globalEvent);
}
}
/* EventHelpers.init () */
function init(){
// Conditional comment alert: Do not remove comments. Leave intact.
// The detection if the page is secure or not is important. If
// this logic is removed, Internet Explorer will give security
// alerts.
/*@cc_on @*/
/*@if (@_win32)
document.write('<script id="__ie_onload" defer src="' +
((location.protocol == 'https:') ? '//0' : 'javascript:void(0)') + '"><\/script>');
var script = document.getElementById("__ie_onload");
me.addEvent(script, 'readystatechange', me.runPageLoadEvents);
/*@end @*/
}
init();
}
EventHelpers.addPageLoadEvent('EventHelpers.init');