const Collection = GirderCollection.extend({
model: null,
url: function () {
return this.resourceName;
},
fetch: function (params, reset) {
// If "reset" is false, then reuse any unspecified params from the last
// fetch; "reset" defaults to true (so undefined will still reset)
if (reset === false) {
this.params = _.extend(this.params || {}, params);
} else {
this.params = params || {};
}
// Upstream Girder contains a bug where parameters are not honored on a
// reset fetch, so set the parameters manually before triggering a fetch
// with (ignored) params set to null, and the reset flag set to true.
// Doing a non-reset fetch causes the collection to not be emptied on
// an empty fetch, and does non-intuitive things with the "this.offset"
// property.
// GirderCollection.prototype.fetch.call(this, null, true);
// Re-implement GirderCollection.prototype.fetch until Girder fix #1974 is included
this.offset = 0;
let limit = this.pageLimit > 0 ? this.pageLimit + 1 : 0;
let xhr = restRequest({
url: this.altUrl || this.resourceName,
data: _.extend({
limit: limit,
offset: this.offset,
sort: this.sortField,
sortdir: this.sortDir
}, this.params)
}).done((list) => {
if (this.pageLimit > 0 && list.length > this.pageLimit) {
// This means we have more pages to display still. Pop off
// the extra that we fetched.
list.pop();
this._hasMorePages = true;
} else {
this._hasMorePages = false;
}
this.offset += list.length;
this.reset(list);
this.trigger('g:changed');
});
xhr.girder = {fetch: true};
return xhr;
},
_currentOffset: function (params) {
// "this.offset" is not reliable, especially since we're doing a reset
// fetch in the upstream call
if (params && params.offset) {
// specified explicitly in the function call
return params.offset;
} else if (this.params && this.params.offset) {
// taken from the previous fetch
return this.params.offset;
} else {
// default, as this was never fetched, or the previous fetch was
// unspecified (and defaulted to 0, per the upstream logic)
return 0;
}
},
hasPreviousPage: function () {
return this._currentOffset() > 0;
},
// "hasNextPage" should work fine in the upstream implementation
fetchPreviousPage: function (params) {
let offset = this._currentOffset(params) - this.pageLimit;
offset = Math.max(0, offset);
this.fetch(_.extend(params || {}, {offset: offset}), false);
},
fetchNextPage: function (params) {
let offset = this._currentOffset(params) + this.pageLimit;
this.fetch(_.extend(params || {}, {offset: offset}), false);
},
fetchFirstPage: function (params) {
this.fetch(_.extend(params || {}, {offset: 0}), false);
},
fetchLastPage: function (total, params) {
let offset = Math.floor(total / this.pageLimit) * this.pageLimit;
if (total % this.pageLimit === 0) {
// there are a "pageLimit" number of elements in the last page, so
// the math needs to be adjusted
offset -= this.pageLimit;
offset = Math.max(0, offset);
}
this.fetch(_.extend(params || {}, {offset: offset}), false);
},
pageNum: function () {
return Math.floor(this._currentOffset() / this.pageLimit);
}
});
import Collection from 'girder/collections/Collection';
import JobModel from '../models/JobModel';
var JobCollection = Collection.extend({
resourceName: 'job',
model: JobModel
});
export default JobCollection;
import Collection from 'girder/collections/Collection';
import GroupModel from 'girder/models/GroupModel';
var GroupCollection = Collection.extend({
resourceName: 'group',
model: GroupModel
});
export default GroupCollection;