private async Task GetRulePackages()
{
try
{
await QueuedTask.Run(async() =>
{
ArcGISPortal portal = ArcGISPortalManager.Current.GetPortal(new Uri(_arcgisOnline));
var query = PortalQueryParameters.CreateForItemsOfType(PortalItemType.RulePackage, "title:\"Paris Rule package 2014\" OR title:\"Venice Rule package 2014\" OR title:\"Extrude/Color/Rooftype Rule package 2014\"");
//Execute to return a result set
PortalQueryResultSet <PortalItem> results = await ArcGISPortalExtensions.SearchForContentAsync(portal, query);
foreach (var item in results.Results.OfType <PortalItem>())
{
lock (_rpkLock)
{
RulePackageCollection.Add(new RulePackage(item));
}
}
});
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
}
/// <summary>
/// Gets a collection of web map items from ArcGIS Online
/// </summary>
/// <returns></returns>
private async Task <ObservableCollection <AddInItem> > GetAddinsAsync()
{
try
{
await QueuedTask.Run(async() =>
{
ArcGISPortal portal = ArcGISPortalManager.Current.GetPortal(new Uri(_arcgisOnline));
query = PortalQueryParameters.CreateForItemsOfType(PortalItemType.ArcGISProAddIn);
PortalQueryResultSet <PortalItem> results = await ArcGIS.Desktop.Core.ArcGISPortalExtensions.SearchForContentAsync(portal, query);
if (results == null)
{
return;
}
foreach (var item in results.Results.OfType <PortalItem>())
{
lock (_lock)
AddInsCollection.Add(new AddInItem(item));
}
});
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
return(_addInsCollection);
}
/// <summary>
/// Gets a collection of web map items from ArcGIS Online
/// </summary>
/// <returns></returns>
private async Task <List <WebMapItem> > GetWebMapsAsync()
{
var lstWebmapItems = new List <WebMapItem>();
try
{
await QueuedTask.Run(async() =>
{
ArcGISPortal portal = ArcGISPortalManager.Current.GetPortal(new Uri(_arcgisOnline));
PortalQueryParameters query = PortalQueryParameters.CreateForItemsOfType(PortalItemType.WebMap);
PortalQueryResultSet <PortalItem> results = await ArcGIS.Desktop.Core.ArcGISPortalExtensions.SearchForContentAsync(portal, query);
if (results == null)
{
return;
}
foreach (var item in results.Results.OfType <PortalItem>())
{
lstWebmapItems.Add(new WebMapItem(item));
}
});
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex.Message);
}
return(lstWebmapItems);
}
private async void addProtal()
{
ArcGISPortal portal = await ArcGISPortal.CreateAsync(new Uri("http://esrichina3d.arcgisonline.cn/arcgis/sharing/rest"));
PortalQueryParameters para = PortalQueryParameters.CreateForItemsOfType(PortalItemType.WebScene);
para.Limit = 20;
PortalQueryResultSet <PortalItem> items = await portal.FindItemsAsync(para);
int sum = 0;
productList = new List <Product>();
try
{
OpenFileActivity.item = items.Results.First();
foreach (PortalItem item in items.Results)
{
System.IO.Stream st = await item.GetDataAsync();
System.IO.StreamReader reader = new StreamReader(st);
st.Position = 0;
string json = reader.ReadToEnd();
reader.Close();
st.Close();
productList.Add(new Product(item.ThumbnailUri.ToString(), item.Title, json));
}
}
catch
{ }
RecyclerView recyclerView = (RecyclerView)FindViewById(Resource.Id.recyclerView);
//设置layoutManager 布局模式
recyclerView.SetLayoutManager(new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.Vertical));
// recyclerView.SetLayoutManager(new LinearLayoutManager(this));
//设置adapter
Context context = this.BaseContext;
MasonryAdapter WebSceneItemsAdapter = new MasonryAdapter(productList, context);
WebSceneItemsAdapter.ItemClick += WebSceneItemsAdapter_ItemClick;
recyclerView.SetAdapter(WebSceneItemsAdapter);
//设置item之间的间隔
SpacesItemDecoration decoration = new SpacesItemDecoration(16);
recyclerView.AddItemDecoration(decoration);
}
public static async void PortalMethods6()
{
Uri portalUri = new Uri("");
#region Portal: Execute a portal search
var portal = ArcGISPortalManager.Current.GetPortal(portalUri);
var owner = portal.GetSignOnUsername();
var portalInfo = await portal.GetPortalInfoAsync();
//1. Get all web maps
var query1 = PortalQueryParameters.CreateForItemsOfType(PortalItemType.WebMap);
//2. Get all web maps and map services - include user, organization
// and "usa" in the title
var query2 = PortalQueryParameters.CreateForItemsOfTypes(new List <PortalItemType>()
{
PortalItemType.WebMap, PortalItemType.MapService
}, owner, "", "title:usa");
query2.OrganizationId = portalInfo.OrganizationId;
//retrieve in batches of up to a 100 each time
query2.Limit = 100;
//Loop until done
var portalItems = new List <PortalItem>();
while (query2 != null)
{
//run the search
PortalQueryResultSet <PortalItem> results = await portal.SearchForContentAsync(query2);
portalItems.AddRange(results.Results);
query2 = results.NextQueryParameters;
}
//process results
foreach (var pi in portalItems)
{
//Do something with the portal items
}
#endregion
}
/// <summary>
/// Searches the active portal for the item that has been uploaded.
/// </summary>
/// <param name="portalUrl"></param>
/// <param name="item"></param>
/// <returns></returns>
private async Task <Tuple <bool, PortalItem> > SearchPortalForItemsAsync(string portalUrl, Item item)
{
var portal = ArcGISPortalManager.Current.GetPortal(new Uri(portalUrl));
//Get the PortalItemType of the item
var portalItemType = GetProtalItemTypeFromItem(item);
//Get the item name without the extension
var portalItemName = System.IO.Path.GetFileNameWithoutExtension(item.Name);
//Create the Query and the params
var pqp = PortalQueryParameters.CreateForItemsOfType(portalItemType, $@"""{portalItemName}"" tags:""{ItemTags}""");
//Search active portal
PortalQueryResultSet <PortalItem> results = await ArcGISPortalExtensions.SearchForContentAsync(portal, pqp);
//Iterate through the returned items for THE item.
var myPortalItem = results.Results?.OfType <PortalItem>().FirstOrDefault();
if (myPortalItem == null)
{
return(null);
}
return(new Tuple <bool, PortalItem>(true, myPortalItem));
}
