public void CreateControls(FileDatabase database, DataEntryHandler dataEntryPropagator)
{
// Depending on how the user interacts with the file import process image set loading can be aborted after controls are generated and then
// another image set loaded. Any existing controls therefore need to be cleared.
this.ControlGrid.Children.Clear();
this.Controls.Clear();
this.ControlsByDataLabel.Clear();
DataEntryDateTime dateTimeControl = null;
DataEntryUtcOffset utcOffsetControl = null;
List<DataEntryControl> visibleControls = new List<DataEntryControl>();
foreach (ControlRow control in database.Controls)
{
// no point in generating a control if it doesn't render in the UX
if (control.Visible == false)
{
continue;
}
if (control.Type == Constant.DatabaseColumn.DateTime)
{
dateTimeControl = new DataEntryDateTime(control, this);
visibleControls.Add(dateTimeControl);
}
else if (control.Type == Constant.DatabaseColumn.File ||
control.Type == Constant.DatabaseColumn.RelativePath ||
control.Type == Constant.Control.Note)
{
// standard controls rendering as notes aren't editable by the user
List<string> autocompletions = null;
bool readOnly = control.Type != Constant.Control.Note;
if (readOnly == false)
{
autocompletions = new List<string>(database.GetDistinctValuesInFileDataColumn(control.DataLabel));
}
DataEntryNote noteControl = new DataEntryNote(control, autocompletions, this);
noteControl.ContentReadOnly = readOnly;
visibleControls.Add(noteControl);
}
else if (control.Type == Constant.Control.Flag || control.Type == Constant.DatabaseColumn.DeleteFlag)
{
DataEntryFlag flagControl = new DataEntryFlag(control, this);
visibleControls.Add(flagControl);
}
else if (control.Type == Constant.Control.Counter)
{
DataEntryCounter counterControl = new DataEntryCounter(control, this);
visibleControls.Add(counterControl);
}
else if (control.Type == Constant.Control.FixedChoice || control.Type == Constant.DatabaseColumn.ImageQuality)
{
DataEntryChoice choiceControl = new DataEntryChoice(control, this);
visibleControls.Add(choiceControl);
}
else if (control.Type == Constant.DatabaseColumn.UtcOffset)
{
utcOffsetControl = new DataEntryUtcOffset(control, this);
visibleControls.Add(utcOffsetControl);
}
else
{
Debug.Fail(String.Format("Unhandled control type {0}.", control.Type));
continue;
}
}
if ((dateTimeControl != null) && (utcOffsetControl != null))
{
dateTimeControl.ShowUtcOffset();
visibleControls.Remove(utcOffsetControl);
}
foreach (DataEntryControl control in visibleControls)
{
this.ControlGrid.Children.Add(control.Container);
this.Controls.Add(control);
this.ControlsByDataLabel.Add(control.DataLabel, control);
}
dataEntryPropagator.SetDataEntryCallbacks(this.ControlsByDataLabel);
}
/// <summary>
/// Add user interface event handler callbacks for (possibly invisible) controls
/// </summary>
private void SetUserInterfaceCallbacks()
{
// Add data entry callbacks to all editable controls. When the user changes an image's attribute using a particular control,
// the callback updates the matching field for that image in the database.
DataEntryNote date = null;
DataEntryDateTime dateTime = null;
DataEntryNote time = null;
foreach (KeyValuePair <string, DataEntryControl> pair in this.DataEntryControls.ControlsByDataLabel)
{
string controlType = this.DataHandler.FileDatabase.FileTableColumnsByDataLabel[pair.Key].ControlType;
switch (controlType)
{
case Constant.Control.Counter:
DataEntryCounter counter = (DataEntryCounter)pair.Value;
counter.ContentControl.PreviewMouseDown += this.ContentControl_MouseDown;
counter.ContentControl.PreviewKeyDown += this.ContentCtl_PreviewKeyDown;
counter.Container.MouseEnter += this.CounterControl_MouseEnter;
counter.Container.MouseLeave += this.CounterControl_MouseLeave;
counter.LabelControl.Click += this.CounterControl_Click;
break;
case Constant.Control.Flag:
case Constant.DatabaseColumn.DeleteFlag:
DataEntryFlag flag = (DataEntryFlag)pair.Value;
flag.ContentControl.PreviewMouseDown += this.ContentControl_MouseDown;
flag.ContentControl.PreviewKeyDown += this.ContentCtl_PreviewKeyDown;
break;
case Constant.Control.FixedChoice:
case Constant.DatabaseColumn.ImageQuality:
DataEntryChoice choice = (DataEntryChoice)pair.Value;
choice.ContentControl.PreviewMouseDown += this.ContentControl_MouseDown;
choice.ContentControl.PreviewKeyDown += this.ContentCtl_PreviewKeyDown;
break;
case Constant.Control.Note:
case Constant.DatabaseColumn.Date:
case Constant.DatabaseColumn.File:
case Constant.DatabaseColumn.Folder:
case Constant.DatabaseColumn.RelativePath:
case Constant.DatabaseColumn.Time:
DataEntryNote note = (DataEntryNote)pair.Value;
note.ContentControl.PreviewMouseDown += this.ContentControl_MouseDown;
note.ContentControl.PreviewKeyDown += this.ContentCtl_PreviewKeyDown;
if (controlType == Constant.DatabaseColumn.Date)
{
date = note;
}
if (controlType == Constant.DatabaseColumn.Time)
{
time = note;
}
break;
case Constant.DatabaseColumn.DateTime:
dateTime = (DataEntryDateTime)pair.Value;
dateTime.ContentControl.PreviewMouseDown += this.ContentControl_MouseDown;
dateTime.ContentControl.PreviewKeyDown += this.ContentCtl_PreviewKeyDown;
break;
case Constant.DatabaseColumn.UtcOffset:
DataEntryUtcOffset utcOffset = (DataEntryUtcOffset)pair.Value;
utcOffset.ContentControl.PreviewMouseDown += this.ContentControl_MouseDown;
utcOffset.ContentControl.PreviewKeyDown += this.ContentCtl_PreviewKeyDown;
break;
default:
TracePrint.PrintMessage(String.Format("Unhandled control type '{0}' in SetUserInterfaceCallbacks.", controlType));
break;
}
}
// if needed, link date and time controls to datetime control
if (dateTime != null && date != null)
{
dateTime.DateControl = date;
}
if (dateTime != null && time != null)
{
dateTime.TimeControl = time;
}
}