diff options
author | wei <> | 2006-02-01 07:08:55 +0000 |
---|---|---|
committer | wei <> | 2006-02-01 07:08:55 +0000 |
commit | 6f692501612bd24212f625c94427dfc5dcf17af8 (patch) | |
tree | 81c8cc22c63028a4d342ee37be19362c438d7522 /framework/Web/Javascripts/prototype/event.js | |
parent | 5682cc56a4c703408dd927bda629ab36824dae09 (diff) |
Update js library.
Diffstat (limited to 'framework/Web/Javascripts/prototype/event.js')
-rw-r--r-- | framework/Web/Javascripts/prototype/event.js | 214 |
1 files changed, 107 insertions, 107 deletions
diff --git a/framework/Web/Javascripts/prototype/event.js b/framework/Web/Javascripts/prototype/event.js index fd5d1577..591b8d93 100644 --- a/framework/Web/Javascripts/prototype/event.js +++ b/framework/Web/Javascripts/prototype/event.js @@ -1,107 +1,107 @@ -if (!window.Event) {
- var Event = new Object();
-}
-
-Object.extend(Event, {
- KEY_BACKSPACE: 8,
- KEY_TAB: 9,
- KEY_RETURN: 13,
- KEY_ESC: 27,
- KEY_LEFT: 37,
- KEY_UP: 38,
- KEY_RIGHT: 39,
- KEY_DOWN: 40,
- KEY_DELETE: 46,
-
- element: function(event) {
- return event.target || event.srcElement;
- },
-
- isLeftClick: function(event) {
- return (((event.which) && (event.which == 1)) ||
- ((event.button) && (event.button == 1)));
- },
-
- pointerX: function(event) {
- return event.pageX || (event.clientX +
- (document.documentElement.scrollLeft || document.body.scrollLeft));
- },
-
- pointerY: function(event) {
- return event.pageY || (event.clientY +
- (document.documentElement.scrollTop || document.body.scrollTop));
- },
-
- stop: function(event) {
- if (event.preventDefault) {
- event.preventDefault();
- event.stopPropagation();
- } else {
- event.returnValue = false;
- event.cancelBubble = true;
- }
- },
-
- // find the first node with the given tagName, starting from the
- // node the event was triggered on; traverses the DOM upwards
- findElement: function(event, tagName) {
- var element = Event.element(event);
- while (element.parentNode && (!element.tagName ||
- (element.tagName.toUpperCase() != tagName.toUpperCase())))
- element = element.parentNode;
- return element;
- },
-
- observers: false,
-
- _observeAndCache: function(element, name, observer, useCapture) {
- if (!this.observers) this.observers = [];
- if (element.addEventListener) {
- this.observers.push([element, name, observer, useCapture]);
- element.addEventListener(name, observer, useCapture);
- } else if (element.attachEvent) {
- this.observers.push([element, name, observer, useCapture]);
- element.attachEvent('on' + name, observer);
- }
- },
-
- unloadCache: function() {
- if (!Event.observers) return;
- for (var i = 0; i < Event.observers.length; i++) {
- Event.stopObserving.apply(this, Event.observers[i]);
- Event.observers[i][0] = null;
- }
- Event.observers = false;
- },
-
- observe: function(element, name, observer, useCapture) {
- var element = $(element);
- useCapture = useCapture || false;
-
- if (name == 'keypress' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || element.attachEvent))
- name = 'keydown';
-
- this._observeAndCache(element, name, observer, useCapture);
- },
-
- stopObserving: function(element, name, observer, useCapture) {
- var element = $(element);
- useCapture = useCapture || false;
-
- if (name == 'keypress' &&
- (navigator.appVersion.match(/Konqueror|Safari|KHTML/)
- || element.detachEvent))
- name = 'keydown';
-
- if (element.removeEventListener) {
- element.removeEventListener(name, observer, useCapture);
- } else if (element.detachEvent) {
- element.detachEvent('on' + name, observer);
- }
- }
-});
-
-/* prevent memory leaks in IE */
-Event.observe(window, 'unload', Event.unloadCache, false);
+if (!window.Event) { + var Event = new Object(); +} + +Object.extend(Event, { + KEY_BACKSPACE: 8, + KEY_TAB: 9, + KEY_RETURN: 13, + KEY_ESC: 27, + KEY_LEFT: 37, + KEY_UP: 38, + KEY_RIGHT: 39, + KEY_DOWN: 40, + KEY_DELETE: 46, + + element: function(event) { + return event.target || event.srcElement; + }, + + isLeftClick: function(event) { + return (((event.which) && (event.which == 1)) || + ((event.button) && (event.button == 1))); + }, + + pointerX: function(event) { + return event.pageX || (event.clientX + + (document.documentElement.scrollLeft || document.body.scrollLeft)); + }, + + pointerY: function(event) { + return event.pageY || (event.clientY + + (document.documentElement.scrollTop || document.body.scrollTop)); + }, + + stop: function(event) { + if (event.preventDefault) { + event.preventDefault(); + event.stopPropagation(); + } else { + event.returnValue = false; + event.cancelBubble = true; + } + }, + + // find the first node with the given tagName, starting from the + // node the event was triggered on; traverses the DOM upwards + findElement: function(event, tagName) { + var element = Event.element(event); + while (element.parentNode && (!element.tagName || + (element.tagName.toUpperCase() != tagName.toUpperCase()))) + element = element.parentNode; + return element; + }, + + observers: false, + + _observeAndCache: function(element, name, observer, useCapture) { + if (!this.observers) this.observers = []; + if (element.addEventListener) { + this.observers.push([element, name, observer, useCapture]); + element.addEventListener(name, observer, useCapture); + } else if (element.attachEvent) { + this.observers.push([element, name, observer, useCapture]); + element.attachEvent('on' + name, observer); + } + }, + + unloadCache: function() { + if (!Event.observers) return; + for (var i = 0; i < Event.observers.length; i++) { + Event.stopObserving.apply(this, Event.observers[i]); + Event.observers[i][0] = null; + } + Event.observers = false; + }, + + observe: function(element, name, observer, useCapture) { + var element = $(element); + useCapture = useCapture || false; + + if (name == 'keypress' && + (navigator.appVersion.match(/Konqueror|Safari|KHTML/) + || element.attachEvent)) + name = 'keydown'; + + this._observeAndCache(element, name, observer, useCapture); + }, + + stopObserving: function(element, name, observer, useCapture) { + var element = $(element); + useCapture = useCapture || false; + + if (name == 'keypress' && + (navigator.appVersion.match(/Konqueror|Safari|KHTML/) + || element.detachEvent)) + name = 'keydown'; + + if (element.removeEventListener) { + element.removeEventListener(name, observer, useCapture); + } else if (element.detachEvent) { + element.detachEvent('on' + name, observer); + } + } +}); + +/* prevent memory leaks in IE */ +Event.observe(window, 'unload', Event.unloadCache, false); |