所以我对这个displayinfobox功能有问题。我正在研究Bing Maps v8 API,试图将事件与信息框连接起来。我正在关注Bing并在信息框对象中存储事件处理程序。我得到这个阅读属性'添加'错误。
在stacktrace中,它将我带到我添加事件处理程序的行,或者当我检查信息框是否附加了任何事件时。
我正在尝试按此脚本https://blueric.wordpress.com/2011/03/10/creating-hover-style-info-boxes-on-the-bing-maps-ajax-v7-0-control/。鉴于它已经很老了,我认为事情可能会以类似的方式发挥作用。
编辑:
似乎它与addHandler有关,我很困惑。
function displayInfoBox(e) {
stopInfoBoxTimer(e);
console.log("after Infobox Timer");
if (_displayInfoType != "INFOBOX")
return;
var replaceContent = infoboxTemplate;
var ticket = e.target.ticket;
var contentHead = "<ul>";
var contentEnd = "</ul>";
var content = "";
content += "<li><b>:</b> " + ticket.{REMOVED VAR} + "</li>";
content += "<li><b>:</b> " + ticket.{REMOVED VAR} + "</li>";
content += "<li><b>:</b> " + ticket.{REMOVED VAR} + "</li>";
content += "<li><b>:</b> " + ticket.{REMOVED VAR} + "</li>";
content += "<li><b>:</b> " + ticket.{REMOVED VAR}+ "</li>";
content += "<li><b>:</b> " + ticket.{REMOVED VAR}+ "</li>";
content += "<li><b>:</b> " + ticket.{REMOVED VAR}+ "</li>";
if (ticket.WW_PK != "")
content += "<li><b>:</b> " + ticket.{REMOVED VAR}+ ", " + ticket.{REMOVED VAR}+ "</li>";
else
content += "<li><b>: <span style='color:red;'>{REMOVED VAR}</span></b></li>";
replaceContent = replaceContent.replace('{title}', ticket.{REMOVED VAR});
replaceContent = replaceContent.replace('{content}', contentHead + content + contentEnd);
console.log("after replaced content");
var options = {
offset: new Microsoft.Maps.Point(23, 173),
location: e.target.getLocation(),
htmlContent: replaceContent,
visible: true
};
console.log(options);
console.log("before removing events from infobox");
if (infobox != null && infobox.mouseLeaveHandler != null && infobox.mouseEnterHandler != null) {
if (Microsoft.Maps.Events.hasHandler(infobox, 'mouseleave'))
Microsoft.Maps.Events.removeHandler(infobox.mouseLeaveHandler);
if (Microsoft.Maps.Events.hasHandler(infobox, 'mouseenter'))
Microsoft.Maps.Events.removeHandler(infobox.mouseEnterHandler);
infobox = null;
}
console.log("after removing events from infobox");
console.log(infobox);
infobox = new Microsoft.Maps.Infobox(location, options);
//-------------------------- ERROR IN HERE ---------------------------------
infobox.mouseLeaveHandler = Microsoft.Maps.Events.addHandler(infobox, 'mouseleave', infoBoxMouseLeave);
infobox.mouseEnterHandler = Microsoft.Maps.Events.addHandler(infobox, 'mouseenter', infoBoxMouseEnter);
//-------------------------- ERROR IN HERE ---------------------------------
console.log(infobox.mouseEnterHandler);
infobox.setMap(map);
}
已编辑(最新):似乎Bing V8存在错误,或者只是更改了此代码的处理方式。我已将大部分代码复制到一个小提琴项目中,它在v7中运行良好。所以我要手动完成这个。
我将发布一次工作代码,这已经完成。
答案 0 :(得分:1)
问题是Infobox类没有mouseleave或mouseenter事件。因此,当您尝试为此添加事件处理程序时,此步骤的“添加”部分将失败,因为这些事件不存在。
答案 1 :(得分:0)