public MyViewController(DateTimeEventElement container)
{
this.container = container;
}
private Element RenderEditItemField(Item item, Field field)
{
PropertyInfo pi = null;
object currentValue = null;
object container = null;
// get the current field value.
// the value can either be in a strongly-typed property on the item (e.g. Name),
// or in one of the FieldValues
try
{
// get the strongly typed property
pi = item.GetType().GetProperty(field.Name);
if (pi != null)
{
// store current item's value for this field
currentValue = pi.GetValue(item, null);
// set the container - this will be the object that will be passed
// to pi.SetValue() below to poke new values into
container = item;
}
}
catch (Exception)
{
// an exception indicates this isn't a strongly typed property on the Item
// this is NOT an error condition
}
// if couldn't find a strongly typed property, this property is stored as a
// FieldValue on the item
if (pi == null)
{
// get current item's value for this field, or create a new FieldValue
// if one doesn't already exist
FieldValue fieldValue = item.GetFieldValue(field.ID, true);
currentValue = fieldValue.Value;
// get the value property of the current fieldvalue (this should never fail)
pi = fieldValue.GetType().GetProperty("Value");
if (pi == null)
return null;
// set the container - this will be the object that will be passed
// to pi.SetValue() below to poke new values into
container = fieldValue;
}
// most elements will be Entry Elements - default to this
EntryElement entryElement = new EntryElement(field.DisplayName, "", "");
Element element = entryElement;
bool notMatched = false;
// render the right control based on the type
switch (field.DisplayType)
{
case DisplayTypes.Text:
//StyledMultilineElement stringElement = new StyledMultilineElement(field.DisplayName, (string) currentValue);
entryElement.KeyboardType = UIKeyboardType.Default;
entryElement.Value = (string) currentValue;
entryElement.AutocorrectionType = UITextAutocorrectionType.Yes;
entryElement.Changed += delegate {
pi.SetValue(container, entryElement.Value, null); };
//element = stringElement;
break;
case DisplayTypes.TextArea:
MultilineEntryElement multilineElement = new MultilineEntryElement(field.DisplayName, (string) currentValue) { Lines = 3 };
multilineElement.Changed += delegate { pi.SetValue(container, multilineElement.Value, null); };
//var multilineElement = new MultilineEntryElement3(field.DisplayName, (string) currentValue) { Editable = true };
//multilineElement.Changed += delegate { pi.SetValue(container, multilineElement.Value, null); };
element = multilineElement;
//entryElement.Value = (string) currentValue;
//entryElement.Changed += delegate { pi.SetValue(container, entryElement.Value, null); };
break;
case DisplayTypes.Phone:
entryElement.Value = (string) currentValue;
entryElement.KeyboardType = UIKeyboardType.PhonePad;
entryElement.Changed += delegate { pi.SetValue(container, entryElement.Value, null); };
break;
case DisplayTypes.Link:
entryElement.Value = (string) currentValue;
entryElement.KeyboardType = UIKeyboardType.Url;
entryElement.Changed += delegate { pi.SetValue(container, entryElement.Value, null); };
break;
case DisplayTypes.Email:
entryElement.Value = (string) currentValue;
entryElement.KeyboardType = UIKeyboardType.EmailAddress;
entryElement.Changed += delegate { pi.SetValue(container, entryElement.Value, null); };
break;
case DisplayTypes.Address:
entryElement.Value = (string) currentValue;
entryElement.AutocorrectionType = UITextAutocorrectionType.Yes;
entryElement.Changed += delegate { pi.SetValue(container, entryElement.Value, null); };
break;
case DisplayTypes.Priority:
var priorities = new RadioGroup(field.DisplayName, 0);
priorities.Selected =
((int?) currentValue) != null ?
(int) currentValue :
1; // HACK: hardcode to "Normal" priority. this should come from a table.
var priSection = new Section();
priSection.AddAll(
from pr in App.ViewModel.Constants.Priorities
select (Element) new RadioEventElement(pr.Name, field.DisplayName));
var priorityElement = new ThemedRootElement(field.DisplayName, priorities) { priSection };
// augment the radio elements with the right index and event handler
int i = 0;
foreach (var radio in priorityElement[0].Elements)
{
RadioEventElement radioEventElement = (RadioEventElement) radio;
int index = i++;
radioEventElement.OnSelected += delegate { pi.SetValue(container, index, null); };
}
element = priorityElement;
break;
case DisplayTypes.Lists:
// create a collection of lists in this folder, and add the folder as the first entry
var lists = App.ViewModel.Items.
Where(li => li.FolderID == item.FolderID && li.IsList == true && li.ItemTypeID != SystemItemTypes.Reference).
OrderBy(li => li.Name).
ToObservableCollection();
lists.Insert(0, new Item()
{
ID = Guid.Empty,
Name = folder.Name
});
// a null value for the "list" field indicates a Folder as a parent (i.e. this item is a top-level item)
if (currentValue == null)
currentValue = Guid.Empty;
Item currentList = lists.FirstOrDefault(li => li.ID == (Guid) currentValue);
var listsGroup = new RadioGroup (field.DisplayName, 0);
listsGroup.Selected = Math.Max(lists.IndexOf(currentList), 0);
var listsSection = new Section();
listsSection.AddAll(
from l in lists
select (Element) new RadioEventElement(l.Name, field.DisplayName));
var listsElement = new ThemedRootElement(field.DisplayName, listsGroup) { listsSection };
// augment the radio elements with the right index and event handler
int index = 0;
foreach (var radio in listsElement[0].Elements)
{
int currentIndex = index; // make a local copy for the closure
RadioEventElement radioEventElement = (RadioEventElement) radio;
radioEventElement.OnSelected += delegate(object sender, EventArgs e)
{
pi.SetValue(container, lists[currentIndex].ID, null);
};
index++;
}
element = listsElement;
break;
case DisplayTypes.DatePicker:
DateTime? dateTime = String.IsNullOrEmpty((string) currentValue) ? (DateTime?) null : Convert.ToDateTime((string) currentValue);
DateEventElement dateElement = new DateEventElement(field.DisplayName, dateTime);
dateElement.ValueSelected += delegate
{
pi.SetValue(container, ((DateTime)dateElement.DateValue).ToString("yyyy/MM/dd"), null);
folder.NotifyPropertyChanged("FirstDue");
folder.NotifyPropertyChanged("FirstDueColor");
};
element = dateElement;
break;
case DisplayTypes.DateTimePicker:
DateTime? dt = String.IsNullOrEmpty((string) currentValue) ? (DateTime?) null : Convert.ToDateTime((string) currentValue);
DateTimeEventElement dateTimeElement = new DateTimeEventElement(field.DisplayName, dt);
dateTimeElement.ValueSelected += (s, e) =>
{
pi.SetValue(container, dateTimeElement.DateValue == null ? null : ((DateTime) dateTimeElement.DateValue).ToString(), null);
folder.NotifyPropertyChanged("FirstDue");
folder.NotifyPropertyChanged("FirstDueColor");
};
element = dateTimeElement;
break;
case DisplayTypes.Checkbox:
CheckboxElement checkboxElement = new CheckboxElement(field.DisplayName, currentValue == null ? false : (bool) currentValue);
checkboxElement.Tapped += delegate { pi.SetValue(container, checkboxElement.Value, null); };
element = checkboxElement;
break;
case DisplayTypes.TagList:
// TODO
element = null;
break;
case DisplayTypes.ImageUrl:
// TODO: wire up to picture picker, and upload to an image service
element = null;
break;
case DisplayTypes.LinkArray:
var linkArrayElement = new MultilineEntryElement(field.DisplayName, (string) currentValue) { Lines = 3, AcceptReturns = true };
if (!String.IsNullOrEmpty((string) currentValue))
{
try
{
var linkList = JsonConvert.DeserializeObject<List<Link>>((string)currentValue);
linkArrayElement.Value = String.Concat(linkList.Select(l => l.Name != null ? l.Name + "," + l.Url + "\n" : l.Url + "\n").ToList());
}
catch (Exception)
{
}
}
linkArrayElement.Changed += delegate
{
// the expected format is a newline-delimited list of Name, Url pairs
var linkArray = linkArrayElement.Value.Split(new char[] { '\r','\n' }, StringSplitOptions.RemoveEmptyEntries);
var linkList = new List<Link>();
foreach (var link in linkArray)
{
var nameval = link.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
if (nameval.Length == 0)
continue;
if (nameval.Length == 1)
linkList.Add(new Link() { Url = nameval[0].Trim() });
else
linkList.Add(new Link() { Name = nameval[0].Trim(), Url = nameval[1].Trim() });
}
var json = JsonConvert.SerializeObject(linkList);
pi.SetValue(container, json, null);
};
element = linkArrayElement;
break;
case DisplayTypes.Hidden:
// skip rendering
element = null;
break;
case DisplayTypes.ContactList:
StringElement contactsElement = new StringElement(field.DisplayName);
Item currentContacts = CreateValueList(item, field, currentValue == null ? Guid.Empty : new Guid((string) currentValue));
contactsElement.Value = CreateCommaDelimitedList(currentContacts);
Item contacts = new Item()
{
Items = App.ViewModel.Items.
Where(it => it.ItemTypeID == SystemItemTypes.Contact && it.IsList == false).
Select(it => new Item() { Name = it.Name, FolderID = folder.ID, ItemTypeID = SystemItemTypes.Reference, ParentID = currentContacts.ID, ItemRef = it.ID }).
ToObservableCollection(),
};
contactsElement.Tapped += delegate
{
// put up the list picker dialog
ListPickerPage listPicker = new ListPickerPage(
SystemItemTypes.Contact,
editViewController.NavigationController,
contactsElement,
pi,
container,
field.DisplayName,
currentContacts,
contacts);
listPicker.PushViewController();
};
element = contactsElement;
break;
case DisplayTypes.LocationList:
StringElement locationsElement = new StringElement(field.DisplayName);
Item currentLocations = CreateValueList(item, field, currentValue == null ? Guid.Empty : new Guid((string) currentValue));
locationsElement.Value = CreateCommaDelimitedList(currentLocations);
Item locations = new Item()
{
Items = App.ViewModel.Items.
Where(it => it.ItemTypeID == SystemItemTypes.Location && it.IsList == false).
Select(it => new Item() { Name = it.Name, FolderID = folder.ID, ItemTypeID = SystemItemTypes.Reference, ParentID = currentLocations.ID, ItemRef = it.ID }).
ToObservableCollection(),
};
locationsElement.Tapped += delegate
{
// put up the list picker dialog
ListPickerPage listPicker = new ListPickerPage(
SystemItemTypes.Location,
editViewController.NavigationController,
locationsElement,
pi,
container,
field.DisplayName,
currentLocations,
locations);
listPicker.PushViewController();
};
element = locationsElement;
break;
case DisplayTypes.ItemTypes:
var itemTypePickerElement = new ItemTypePickerElement("Type", (Guid) currentValue);
itemTypePickerElement.OnSelected += (sender, e) => { pi.SetValue(container, itemTypePickerElement.SelectedItemType, null); };
element = itemTypePickerElement;
break;
default:
notMatched = true;
break;
}
// if wasn't able to match field type by display type, try matching by FieldType
if (notMatched == true)
{
switch (field.FieldType)
{
case FieldTypes.String:
default:
entryElement.KeyboardType = UIKeyboardType.Default;
entryElement.Value = (string) currentValue;
entryElement.AutocorrectionType = UITextAutocorrectionType.Yes;
entryElement.Changed += delegate { pi.SetValue(container, entryElement.Value, null); };
break;
case FieldTypes.Integer:
entryElement.Value = (string) currentValue;
entryElement.KeyboardType = UIKeyboardType.NumberPad;
entryElement.Changed += delegate { pi.SetValue(container, entryElement.Value, null); };
break;
case FieldTypes.DateTime:
DateTime dateTime = currentValue == null ? DateTime.Now.Date : Convert.ToDateTime ((string) currentValue);
DateEventElement dateElement = new DateEventElement(field.DisplayName, dateTime);
dateElement.ValueSelected += delegate
{
pi.SetValue(container, ((DateTime)dateElement.DateValue).ToString("yyyy/MM/dd"), null);
folder.NotifyPropertyChanged("FirstDue");
folder.NotifyPropertyChanged("FirstDueColor");
};
element = dateElement;
break;
case FieldTypes.Boolean:
CheckboxElement checkboxElement = new CheckboxElement(field.DisplayName, currentValue == null ? false : (bool) currentValue);
checkboxElement.Tapped += delegate { pi.SetValue(container, checkboxElement.Value, null); };
element = checkboxElement;
break;
}
}
return element;
}
public MyViewController(DateTimeEventElement container)
{
this.container = container;
}