--- /dev/null
+// (c) Benoît PIN 2006-2014
+// http://plinn.org
+// Licence GPL
+//
+//
+// Meta functions for events management.
+
+var addListener; /* (ob, eventName, listenerFunction, group) add event listener eventName without "on" prefix.
+ * optionally, listeners can be grouped to make removing convenient.
+ */
+var removeListener; // (ob, eventName, listenerFunction, group) remove event listener.
+var removeGroupListeners; // (group) remove all listeners in group.
+var raiseMouseEvent; // (ob, eventName) raise mouse event (without "on" prefix) on object.
+
+var getTargetedObject; // (event) retrieves the object that fired the event. Event parameter is optional.
+var getEventObject; // (event) return the event object. Event parameter is optional.
+var disableDefault; // (event) disable default event's action. Event parameter is optional.
+var disablePropagation; // (event) disable event propagation or bubbling.
+
+// etc utils
+var getWindowWidth; // returns browser's window width
+var getWindowHeight; // returns browser's window height
+var clearSelection; // clear current selection (useful on drag and drop)
+var getCopyOfNode; /* (node) returns a clone of the given node.
+ * Useful when :
+ * the node came from a foreign document (eg. XmlHttpRequest xml reponse)
+ * to inject HMTL code inside tags where innerHtml is read only (IE)
+ */
+
+var copyPrototype; // (descendant, parent) lightwheight javascript inheritance
+if (!history.pushState) {
+ history.pushState = function(){};
+}
+
+(function(){
+
+function buildMetaFunctions() {
+ addListener = _build_addListener();
+ removeListener = _build_removeListener();
+ raiseMouseEvent = _build_raiseMouseEvent();
+
+ getTargetedObject = _build_getTargetedObject();
+ getEventObject = _build_getEventObject();
+ disableDefault = _build_disableDefault();
+ disablePropagation = _build_disablePropagation();
+ getWindowWidth = _build_getWindowWidth();
+ getWindowHeight = _build_getWindowHeight();
+ getWindowScrollX = _build_getWindowScrollX();
+ getWindowScrollY = _build_getWindowScrollY();
+ clearSelection = _build_clearSelection();
+}
+
+var __groupListeners = {};
+
+function _build_addListener() {
+ var _browserSpecific;
+ if (!browser.isDOM2Event) {
+ _browserSpecific = function(ob, eventName, listenerFunction) {
+ eventName = "on" + eventName;
+ ob.attachEvent(eventName, listenerFunction);
+ };
+ }
+ else {
+ _browserSpecific = function(ob, eventName, listenerFunction) {
+ ob.addEventListener(eventName, listenerFunction, false); // only bubbling events :-(
+ };
+ }
+ var common = function(ob, eventName, listenerFunction, group) {
+ _browserSpecific(ob, eventName, listenerFunction);
+ if (group) {
+ if(!__groupListeners[group]) {
+ __groupListeners[group] = [];}
+ __groupListeners[group].push([ob, eventName, listenerFunction]);
+ }
+ };
+ return common;
+}
+
+function _build_removeListener() {
+ if (!browser.isDOM2Event) {
+ var _ie_removeListener = function(ob, eventName, listenerFunction) {
+ eventName = "on" + eventName;
+ ob.detachEvent(eventName, listenerFunction);
+ };
+ return _ie_removeListener;
+ }
+ else {
+ var _dom2_removeListener = function(ob, eventName, listenerFunction) {
+ ob.removeEventListener(eventName, listenerFunction, false); // only bubbling events :-(
+ };
+ return _dom2_removeListener;
+ }
+}
+
+removeGroupListeners = function(group) {
+ var listeners = __groupListeners[group];
+ var l, i;
+ for (i=0 ; i<listeners.length ; i++){
+ l = listeners[i];
+ removeListener(l[0], l[1], l[2]);
+ }
+ __groupListeners[group] = null;
+
+};
+
+function _build_raiseMouseEvent() {
+ if (!browser.isDOM2Event) {
+ var _ie_raiseMouseEvent = function(ob, eventName) {
+ ob.fireEvent("on" + eventName);
+ };
+ return _ie_raiseMouseEvent;
+ }
+ else {
+ var _dom2_raiseMouseEvent = function(ob, eventName) {
+ var event = document.createEvent("MouseEvents");
+ event.initEvent(eventName, true, true);
+ ob.dispatchEvent(event);
+ };
+ return _dom2_raiseMouseEvent;
+ }
+}
+
+function _build_getTargetedObject(){
+ if (!browser.isDOM2Event) {
+ var _ie_getTargetedObject = function() {
+ return window.event.srcElement;
+ };
+ return _ie_getTargetedObject;
+ }
+ else {
+ var _appleWebKit_getTargetedeObject = function(evt) {
+ var target = evt.target;
+ // is it really safe ?...
+ return (target.nodeType === 3) ? target.parentNode : target;
+ };
+ var _dom2_getTargetedObject = function(evt) {
+ return evt.target;
+ };
+ return (browser.isAppleWebKit) ? _appleWebKit_getTargetedeObject : _dom2_getTargetedObject;
+ }
+}
+
+function _build_getEventObject(){
+ if (!browser.isDOM2Event) {
+ var _ie_getEventObject = function() {
+ return window.event;
+ };
+ return _ie_getEventObject;
+ }
+ else {
+ var _dom2_getEventObject = function(evt) {
+ return evt;
+ };
+ return _dom2_getEventObject;
+ }
+}
+
+
+function _build_disableDefault(){
+ if (!browser.isDOM2Event) {
+ var _ie_disableDefault = function() {
+ window.event.returnValue = false;
+ };
+ return _ie_disableDefault;
+ }
+ else {
+ var _dom2_disableDefault = function(evt) {
+ evt.preventDefault();
+ };
+ return _dom2_disableDefault;
+ }
+}
+
+function _build_disablePropagation() {
+ if (!browser.isDOM2Event) {
+ var _ie_disablePropagation = function() {
+ window.event.cancelBubble = true;
+ };
+ return _ie_disablePropagation;
+ }
+ else {
+ var _dom2_disablePropagation = function(evt) {
+ evt.stopPropagation();
+ };
+ return _dom2_disablePropagation;
+ }
+}
+
+function _build_getWindowWidth() {
+ if (window.innerWidth !== undefined){
+ return function(){
+ return window.innerWidth;
+ };
+ }
+ else {
+ return function(){
+ return document.documentElement.clientWidth;
+ };
+ }
+}
+
+function _build_getWindowHeight() {
+ if (window.innerHeight !== undefined) {
+ return function(){
+ return window.innerHeight;
+ };
+ }
+ else {
+ return function(){
+ return document.documentElement.clientHeight;
+ };
+ }
+}
+
+function _build_getWindowScrollX() {
+ if (window.scrollX !== undefined) {
+ return function(){
+ return window.scrollX;
+ };
+ }
+ else {
+ return function(){
+ return document.documentElement.scrollLeft;
+ };
+ }
+}
+
+function _build_getWindowScrollY() {
+ if (window.scrollY !== undefined) {
+ return function(){
+ return window.scrollY;
+ };
+ }
+ else {
+ return function(){
+ return document.documentElement.scrollTop;
+ };
+ }
+}
+
+function _build_clearSelection() {
+ if (document.selection) {
+ return function() {
+ document.selection.clear();
+ };
+ }
+ else {
+ return function() {
+ window.getSelection().removeAllRanges();
+ };
+ }
+}
+
+buildMetaFunctions();
+
+addListener(window, 'load', function(evt) {
+ // html5 facade
+ try {
+ if (!document.body.classList) {
+ var nop = function(){};
+ var fakeDOMTokenList = {'length':0, 'item':nop, 'contains':nop, 'add':nop, 'remove':nop, 'toggle':nop};
+ Element.prototype.classList = fakeDOMTokenList;
+ }
+ }
+ catch (e) {}
+});
+
+
+
+var ELEMENT_NODE = 1;
+var TEXT_NODE = 3;
+var _setAttribute;
+getCopyOfNode = function(node) {
+
+ switch(node.nodeType) {
+ case ELEMENT_NODE:
+ var attributes = node.attributes;
+ var childs = node.childNodes;
+
+ var e = document.createElement(node.nodeName);
+
+ var attribute, i;
+ for(i=0 ; i<attributes.length ; i++) {
+ attribute = attributes[i];
+ _setAttribute(e, attribute.name, attribute.value);
+ }
+
+ for(i=0 ; i<childs.length ; i++) {
+ e.appendChild(getCopyOfNode(childs[i]));}
+
+ return e;
+
+ case TEXT_NODE:
+ return document.createTextNode(node.nodeValue);
+ }
+};
+
+if (browser.isIE7max) {
+ _setAttribute = function(e, name, value) {
+ // workarround IE lack of dom implementation.
+ switch(name.toLowerCase()) {
+ case 'colspan' :
+ e.colSpan = value;
+ break;
+ case 'class' :
+ e.className = value;
+ break;
+ case 'style' :
+ loadCssText(e, value);
+ break;
+ default:
+ if (name.slice(0,2) === 'on') { // event handler
+ // A browser normaly eval text code attached to a onXyz attribute. Not IE.
+ /*jslint evil: true */
+ e[name] = function(){eval(value);};}
+ else {
+ e.setAttribute(name, value);}
+ }
+ };
+ var reCompoundPropName = /^\s*([^\-]+)\-([a-z])([a-z]+)\s*$/;
+ var _capitalizeCssPropName = function (s) {
+ var g = reCompoundPropName.exec(s);
+ if(g) {
+ return g[1] + g[2].toUpperCase() + g[3];}
+ else {
+ return s;}
+ };
+
+ var loadCssText = function (e, cssText) {
+ var pairs = cssText.split(';');
+ var pair, name, value, i;
+ var style = e.style;
+ for (i= 0; i < pairs.length; i++) {
+ pair = pairs[i].split(':');
+ if (pair.length === 2) {
+ name = _capitalizeCssPropName(pair[0]);
+ value = pair[1];
+ style[name] = value;
+ }
+ }
+ };
+}
+else {
+ _setAttribute = function(e, name, value) {e.setAttribute(name, value);};
+}
+
+/*
+* http://www.sitepoint.com/blogs/2006/01/17/javascript-inheritance/
+*/
+
+copyPrototype = function (descendant, parent) {
+ var sConstructor = parent.toString();
+ var aMatch = sConstructor.match( /\s*function (.*)\(/ );
+ if ( aMatch !== null ) { descendant.prototype[aMatch[1]] = parent; }
+ var m;
+ for (m in parent.prototype) {
+ if (parent.prototype.hasOwnProperty(m)) {
+ descendant.prototype[m] = parent.prototype[m]; }
+ }
+};
+
+}());
projects / Plinn.git / blobdiff