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使用jsTree 1.0-rc3
使用JS樹我有一個下拉精煉。這將設置加載到樹中的內容。但在每次調用時,樹會在不中止最後一次調用的情況下更新,因此,如果樹在新的調用之後返回,則可以讓樹顯示舊調用。
如何取消最後一次通話?
// On change, update tree
$('#entitySelector1').change(function() {
....
applyJstree(1);
}
var applyJstree = function(num) {
$('#ent{0}'.format(num)).jstree({
"plugins" : ["themes","json_data","dnd","search","types","ui","contextmenu", "overlay", "hotkeys"],
"core" : {
"initially_open" : [ "tree{0}_root".format(num) ] ,
"animation" : 100
},
"json_data" : {
"ajax" : {
"url" : function (currentNode) {
var currentEntity = $('#entitySelector{0}'.format(num)).val();
var maxResults = treeSettings['ent{0}maxResults'.format(num)];
if (currentNode === 'ent{0}_root'.format(num) || currentNode === -1){
return 'treeAjaxServer.php?action=init&entityId=' + $('#entitySelector{0}'.format(num)).val()
+ '&sort=' + treeSettings['ent{0}sortMode'.format(num)]
+ '&sortDirection= ' + treeSettings['ent{0}sortDirection'.format(num)]
+ '&needle=' + $('#search{0}'.format(num)).val()
+ '&projectId=' + $('#projectFilter{0}'.format(num)).val()
+ '&showChildCount=' + treeSettings['ent{0}childCount'.format(num)]
+ '&maxResults='+maxResults;
} else {
return 'treeAjaxServer.php?action=branch&entityId='
+ $('#entitySelector{0}'.format(num)).val() + '&sort='
+ treeSettings['ent{0}sortMode'.format(num)]
+ '&projectId=' + $('#projectFilter{0}'.format(num)).val()
+ '&sortDirection= ' + treeSettings['ent{0}sortDirection'.format(num)]
+ '&showChildCount=' + treeSettings['ent{0}childCount'.format(num)];
}
},
"data" : function (node) {
var currentEntity = $('#entitySelector{0}'.format(num)).val();
var maxResults = treeSettings['ent{0}maxResults'.format(num)];
if (node === -1){
return {'prefix' : 'tree{0}_'.format(num),"maxResults" : maxResults};
} else {
return { //Send this to the server with the ajax request
"prefix" : "tree{0}_".format(num),
"parentNodeId" : node.attr("id"),
"maxResults" : maxResults,
"showChildCount" : treeSettings['ent{0}childCount'.format(num)]
};
}
}
}
}
});
}
我後是我該如何更新數據源,並在多個呼叫的情況(經常發生)中止以前的調用。
可我們看到你的代碼? –