在macOS项目中，我试图获取并设置NSTableView的滚动光标位置，代码似乎可以工作，因为不会出现appairs错误，但光标不会更新。
var exports = module.exports = {};
exports.register = function(app, dbAlberto, dbUser, BASE_API_PATH) {
// Authentication apikey
var key = function(request, callback) {
var d;
dbUser.find({
apikey: request
}).toArray(function(err, sExport) {
if (sExport.length > 0) {
d = 1;
}
else {
d = 0;
}
callback(d);
});
}
function searchFrom(sExport,from,to){
var from = parseInt(from);
var to = parseInt(to);
var res=[];
sExport.forEach((filt)=>{
if(filt.year>=from && filt.year<=to){
res.push(filt);
}
});
return res;
// GET a collection and Search
app.get(BASE_API_PATH + "/export-and-import", function(request, response) {
var url = request.query;
var province = url.province;
var year = url.year;
var importS = url.importS;
var exportS = url.exportS;
var off = 0;
var limite = 100;
var res = request.query.apikey;
var from = url.from;
var to = url.to;
var resul = key(res, function(d) {
if (d > 0) {
if (url.limit != undefined) {
limite = parseInt(url.limit);
off = parseInt(url.offset);
}
if (from != undefined && to != undefined) {
dbAlberto.find({}).toArray(function(err, sExport) {
if (err) {
console.error('WARNING: Error getting data from DB');
response.sendStatus(500); // internal server error
}
else {
if (sExport.length > 0) {
var filted=searchFrom(sExport,from,to);
response.send(filted);
}
else {
console.log("WARNING: There are not any stat with this properties");
response.sendStatus(404); // not found
}
}
});
}
else {
dbAlberto.find({}).skip(off).limit(limite).toArray(function(err, sExport) {
if (err) {
console.error('WARNING: Error getting data from DB');
response.sendStatus(500); // internal server error
}
else {
var filted = sExport.filter((stat) => {
if ((province == undefined || stat.province == province) && (year == undefined || stat.year == year) && (year == undefined || stat.year == year) && (importS == undefined || stat.importS == importS) && (exportS == undefined || stat.exportS == exportS)) {
return stat;
}
});
if (filted.length > 0) {
console.log("INFO: Sending stat: " + JSON.stringify(filted, 2, null));
response.send(filted);
}
else {
console.log("WARNING: There are not any stat with this properties");
response.sendStatus(404); // not found
}
}
});
}
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
// LoadInitialData
app.get(BASE_API_PATH + "/export-and-import/loadInitialData", function(request, response) {
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
dbAlberto.find({}).toArray(function(err, stats) {
if (err) {
console.error('WARNING: Error while getting initial data from DB');
return 0;
}
if (stats.length === 0) {
var initialStats = [{
"province": "jaen",
"year": "2013",
"oil": "375",
"importS": "802",
"exportS": "274"
}];
dbAlberto.insert(initialStats);
console.log("Date insert in db");
response.sendStatus(201, BASE_API_PATH + "/");
}
else {
console.log('INFO: DB has ' + stats.length + ' objects ');
response.sendStatus(200);
}
});
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
/*
// GET a collection
app.get(BASE_API_PATH + "/export-and-import", function(request, response) {
console.log("INFO: New GET request to /export-and-import");
dbAlberto.find({}).toArray(function(err, sExport) {
if (err) {
console.error('WARNING: Error getting data from DB');
response.sendStatus(500); // internal server error
}
else {
console.log("INFO: Sending export and import stats: " + JSON.stringify(sExport, 2, null));
response.send(sExport);
}
});
});
*/
// GET a single resource
app.get(BASE_API_PATH + "/export-and-import/:province", function(request, response) {
var province = request.params.province;
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
if (!province) {
console.log("WARNING: New GET request to /export-and-import-stats/:name without name, sending 400...");
response.sendStatus(400); // bad request
}
else {
console.log("INFO: New GET request to /export-and-import-stats/" + province);
dbAlberto.find({
province: province
}).toArray(function(err, sExport) {
if (err) {
console.error('WARNING: Error getting data from DB');
response.sendStatus(500); // internal server error
}
else {
if (sExport.length > 0) {
console.log("INFO: Sending stats: " + JSON.stringify(sExport, 2, null));
response.send(sExport);
}
else {
console.log("WARNING: There are not any export stats with name " + province);
response.sendStatus(404); // not found
}
}
});
}
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
//GET all stats of one year
app.get(BASE_API_PATH + "/export-and-import/:province/:year", function(request, response) {
var province = request.params.province;
var year = request.params.year;
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
if (!province) {
console.log("WARNING: New GET request to /export-and-import/ without province, sending 400...");
response.sendStatus(400); // bad request
}
else {
console.log("INFO: New GET request to /export-and-import/" + province);
dbAlberto.find({
province: province,
year: year
}).toArray(function(err, sExport) {
if (err) {
console.error('WARNING: Error getting data from DB');
response.sendStatus(500); // internal server error
}
else {
if (sExport.length > 0) {
console.log("INFO: Sending stats: " + JSON.stringify(sExport, 2, null));
response.send(sExport);
}
else {
console.log("WARNING: There are not any export stats with name " + province + " and " + year);
response.sendStatus(404); // not found
}
}
});
}
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
//POST over a collection
app.post(BASE_API_PATH + "/export-and-import", function(request, response) {
var newStats = request.body;
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
if (!newStats) {
console.log("WARNING: New POST request to /export-and-import without stats, sending 400...");
response.sendStatus(400); // bad request
}
else {
console.log("INFO: New POST request to /export-and-import with body: " + JSON.stringify(newStats, 2, null));
if (!newStats.province || !newStats.year || !newStats.oil || !newStats.importS || !newStats.exportS) {
console.log("WARNING: The stat " + JSON.stringify(newStats, 2, null) + " is not well-formed, sending 422...");
response.sendStatus(422); // unprocessable entity
}
else {
dbAlberto.find({
province: newStats.province,
year: newStats.year
}).toArray(function(err, sExport) {
if (err) {
console.error('WARNING: Error getting data from DB');
response.sendStatus(500); // internal server error
}
else {
var sExportBefore = sExport.filter((result) => {
return (result.province.localeCompare(newStats.province, "en", {
'sensitivity': 'base'
}) === 0);
});
if (sExportBefore.length > 0) {
console.log("WARNING: The contact " + JSON.stringify(newStats, 2, null) + " already extis, sending 409...");
response.sendStatus(409); // conflict
}
else {
console.log("INFO: Adding contact " + JSON.stringify(newStats, 2, null));
dbAlberto.insert(newStats);
response.sendStatus(201); // created
}
}
});
}
}
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
//POST over a single resource
app.post(BASE_API_PATH + "/export-and-import/:province/:year", function(request, response) {
var province = request.params.province;
var year = request.params.year;
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
console.log("WARNING: New POST request to /export-and-import-stats/" + province + " and " + year + ", sending 405...");
response.sendStatus(405); // method not allowed
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
//PUT over a collection
app.put(BASE_API_PATH + "/export-and-import", function(request, response) {
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
console.log("WARNING: New PUT request to /export-and-import-stats, sending 405...");
response.sendStatus(405); // method not allowed
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
//PUT over a single resource
app.put(BASE_API_PATH + "/export-and-import/:province/:year", function(request, response) {
var updateExp = request.body;
var province = request.params.province;
var year = request.params.year;
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
if (!updateExp) {
console.log("WARNING: New PUT request to /export-and-import-stats/ without contact, sending 400...");
response.sendStatus(400); // bad request
}
else {
console.log("INFO: New PUT request to /export-and-import-stats/" + province + " with data " + JSON.stringify(updateExp, 2, null));
if (!updateExp.province || !updateExp.year || !updateExp.oil || !updateExp.importS || !updateExp.exportS || updateExp.province !== province || updateExp.year !== year) {
console.log("WARNING: The contact " + JSON.stringify(updateExp, 2, null) + " is not well-formed, sending 422...");
response.sendStatus(422); // unprocessable entity
}
else {
dbAlberto.find({
province: province,
$and: [{
year: year
}]
}).toArray(function(err, sExport) {
if (err) {
console.error('WARNING: Error getting data from DB');
response.sendStatus(500); // internal server error
}
else {
if (sExport.length > 0) {
dbAlberto.update({
province: province,
year: year
}, updateExp);
console.log("INFO: Modifying contact with name " + province + " with data " + JSON.stringify(updateExp, 2, null));
response.send(updateExp); // return the updated contact
}
else {
console.log("WARNING: There are not any stats with provinc " + province);
response.sendStatus(404); // not found
}
}
});
}
}
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
//DELETE over a collection
app.delete(BASE_API_PATH + "/export-and-import", function(request, response) {
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
console.log("INFO: New DELETE request to /export-and-import-stats");
dbAlberto.remove({}, {
multi: true
}, function(err, doc) {
if (err) {
console.error('WARNING: Error removing data from DB');
response.sendStatus(500); // internal server error
}
else {
var n = doc.result.n;
if (n !== 0) {
console.log("INFO: Remove: " + n + " stats, sending 204...");
response.sendStatus(204); // no content
}
else {
console.log("WARNING: There are no contacts to delete");
response.sendStatus(404); // not found
}
}
});
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
//DELETE over a single resource
app.delete(BASE_API_PATH + "/export-and-import/:province/:year", function(request, response) {
var province = request.params.province;
var year = request.params.year;
var res = request.query.apikey;
var resul = key(res, function(d) {
if (d > 0) {
if (!province || !year) {
console.log("WARNING: New DELETE request to /export-and-import-stats/:name without name, sending 400...");
response.sendStatus(400); // bad request
}
else {
console.log("INFO: New DELETE request to /export-and-import-stats/" + province + " and " + year);
dbAlberto.remove({
province: province,
year: year
}, {}, function(err, doc) {
if (err) {
console.error('WARNING: Error removing data from DB');
response.sendStatus(500); // internal server error
}
else {
var n = doc.result.n;
if (n !== 0) {
console.log("INFO: The stat with name " + province + " and year " + year + " has been succesfully deleted, sending 204...");
response.sendStatus(204); // no content
}
else {
console.log("WARNING: There are no contacts to delete");
response.sendStatus(404); // not found
}
}
});
}
}
else {
if (!request.query.apikey) {
console.log("Err401: Login error.");
response.sendStatus(401);
}
else {
console.log("Err403: Login error.");
response.sendStatus(403);
}
}
});
});
}
我忘记了什么吗？
答案 0 :(得分：0)
contentView.bounds.origin几乎肯定会给你一点0,0几乎总是因为那不是你期望的价值。 bounds告诉您有关显示画布的视图位置的信息，而不是滚动文档的内部偏移。
我猜一个-documentRect或-documentVisibleRect属性包含您正在寻找的正确偏移值。