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我加入到我的處理程序所共享的功能區分,並且它看起來像這樣:如何單並雙擊
initMouseHandling:function(){
var dragged = null,
_mouseP,
selected,
nearest = null,
show = true,
num_console = 0,
timeout,
clicks,
delay = 500;
var handler = {
single_double_click: function (element, clicked, double_click, timeout) {
$(element).observe('click', function (event) {
++clicks;
if (clicks === 1) {
var timeoutCallback = function (event) {
if (clicks === 1) {
clicked.call(this, event);
} else {
double_click.call(this, event);
}
clicks = 0;
};
timeoutCallback.bind(this, event).delay(timeout/1000);
}
}.bind(this));
return false;
},
clicked:function(e){
...
},
dragged:function(e){
...
},
dropped:function(e){
...
},
over_edge:function(e){
...
},
over_node:function(e){
...
},
double_click:function(e){
...
}}
canvas.mousemove(handler.over_node);
canvas.mousemove(handler.over_edge);
canvas.mousedown(handler.single_double_click);
//canvas.mousedown(handler.clicked);
//canvas.dblclick(handler.double_click);
}
它說:「遺漏的類型錯誤:對象的翻譯:有沒有方法「觀察'「,無論使用$(畫布)還是$(窗口),正如我在其他地方看到的那樣...
我不知道是否應該引入處理程序作爲參數或不是,爲什麼我不能使用」觀察「,如果對於像我這樣的情況,我應該打電話給我的處理程序:
clicked.call(this, event);
double_click.call(this, event);
有什麼建議嗎?