1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157
|
/* PARTIE 1 */
var EasyEvents = function() {
/* private */
var registeredDependencyActions = {};
var Dependency = function(target, dependencyAction) {
this.target = target;
this.dependencyAction = dependencyAction
this.triggers = new Array();
this.parameter = null;
this.runOpposite = false;
};
Dependency.prototype.when = function( triggerElement ) {
this.triggers.push( new DependencyTrigger(triggerElement) );
return this;
};
Dependency.prototype.and = Dependency.prototype.when;
Dependency.prototype.on = function (element) {
this.parameter = this.target;
this.target = element;
return this;
};
Dependency.prototype.from = Dependency.prototype.on;
Dependency.prototype.to = Dependency.prototype.on;
Dependency.prototype._with = function(param) {
this.parameter = param;
return this;
};
Dependency.prototype.appendListenerToLastTrigger = function(eventName, matchFunction, parameter) {
matchFunction = matchFunction || function() {return true;};
var lastAddedTrigger = this.triggers[this.triggers.length - 1];
lastAddedTrigger.matchFunction = matchFunction;
lastAddedTrigger.parameter = parameter;
lastAddedTrigger.registerEventListener(eventName, this);
};
Dependency.prototype.testMatch = function() {
var valid = true;
for(var i=0; i<this.triggers.length; i++) {
var currTrigger = this.triggers[i]
valid = valid && currTrigger.matchFunction(currTrigger.element, currTrigger.parameter);
}
if(valid) {
this.dependencyAction.run(this.target, this.parameter);
} else if(this.runOpposite) {
this.dependencyAction.reverse(this.target, this.parameter);
}
};
Dependency.prototype.reverseOtherwise = function() {
this.runOpposite = true;
};
var DependencyAction = function(actionMethod, reverseMethod) {
this.run = actionMethod;
this.reverse = reverseMethod || function(){};
};
var DependencyTrigger = function(triggerElement) {
this.element = document.getElementById(triggerElement);
this.matchFunction = null;
this.parameter = null;
};
DependencyTrigger.prototype.registerEventListener = function(eventName, dependency) {
if(window.attachEvent) {
this.element.attachEvent("on" + eventName, function(){dependency.testMatch();});
} else {
this.element.addEventListener(eventName, function(){dependency.testMatch();}, false);
}
};
/* public */
return {
registerDependencyAction : function(dependencyActionName, dependencyActionFunction, dependencyReverseFunction) {
registeredDependencyActions[dependencyActionName] = new DependencyAction(dependencyActionFunction, dependencyReverseFunction);
EasyEvents[dependencyActionName] = function(param) {
return new Dependency(param, registeredDependencyActions[dependencyActionName]);
}
},
registerTriggerListener : function(methodName, eventName, method) {
Dependency.prototype[methodName] = function(parameter) {
this.appendListenerToLastTrigger(eventName, method, parameter);
return this;
}
}
};
}();
/* PARTIE 2 : Enrichissement du vocabulaire */
with(EasyEvents) {
registerDependencyAction("show", function(element) {
document.getElementById(element).style.display = "block";
}, function(element) {
document.getElementById(element).style.display = "none";
});
registerDependencyAction("addClassName", function(element, parameter) {
var elem = document.getElementById(element);
var classNames = elem.className;
var newClassNames = classNames;
var idxStart = classNames.indexOf(parameter);
if(idxStart < 0) {
newClassNames += " " + parameter;
elem.className = newClassNames;
}
}, function(element, parameter) {
var elem = document.getElementById(element);
var classNames = elem.className;
var newClassNames = "";
idxStart = classNames.indexOf(parameter);
if(idxStart > 0) {
newClassNames += classNames.substr(0, idxStart - 1);
}
if(idxStart >= 0) {
newClassNames += classNames.substr(idxStart + parameter.length);
}
elem.className = newClassNames.replace(/^\s+|\s+$/, "").replace(/\s+/, " ");
});
registerDependencyAction("removeClassName", function(element, parameter) {
var elem = document.getElementById(element);
var classNames = elem.className;
var newClassNames = "";
idxStart = classNames.indexOf(parameter);
if(idxStart > 0) {
newClassNames += classNames.substr(0, idxStart - 1);
}
if(idxStart >= 0) {
newClassNames += classNames.substr(idxStart + parameter.length);
}
elem.className = newClassNames.replace(/^\s+|\s+$/, "").replace(/\s+/, " ");
}, function(element, parameter) {
var elem = document.getElementById(element);
var classNames = elem.className;
var newClassNames = classNames;
var idxStart = classNames.indexOf(parameter);
if(idxStart < 0) {
newClassNames += " " + parameter;
elem.className = newClassNames;
}
});
registerTriggerListener("isClicked", "click");
registerTriggerListener("is", "change", function(elem, param){return elem.value == param});
registerTriggerListener("isNot", "change", function(elem, param){return elem.value != param});
} |
Partager