private void LoadData()
{
var items = new List <GridViewRow>();
int newIndex = 0;
for (int i = 0; i < _applicationData.DataTable.Data.Count; i++)
{
var dataTableRow = _applicationData.DataTable.Data[i];
var valueList = new List <string>();
foreach (var dataTableColumn in _applicationData.DataTable.DataColumns)
{
string dataValue = dataTableRow.Values[dataTableColumn.ToString()].DisplayValue;
valueList.Add(dataValue);
}
string displayString = GridViewHelpers.GetPaddedString(valueList, 0, _gridViewDetails.ListViewColumnWidths);
items.Add(new GridViewRow
{
DisplayString = displayString,
OriginalIndex = i
});
newIndex++;
}
_itemSource = new GridViewDataSource(items);
}
private void AddHeaders(Window win, List <string> gridHeaders)
{
var header = new Label(GridViewHelpers.GetPaddedString(
gridHeaders,
_gridViewDetails.ListViewOffset,
_gridViewDetails.ListViewColumnWidths))
{
X = 0,
Y = 2
};
win.Add(header);
// This renders dashes under the header to make it more clear what is header and what is data
var headerLineText = new StringBuilder();
foreach (char c in header.Text)
{
if (c.Equals(' '))
{
headerLineText.Append(' ');
}
else
{
// When gui.cs supports text decorations, should replace this with just underlining the header
headerLineText.Append('-');
}
}
var headerLine = new Label(headerLineText.ToString())
{
X = 0,
Y = 3
};
win.Add(headerLine);
}
public void Start(ApplicationData applicationData)
{
Application.Init();
var top = Application.Top;
_applicationData = applicationData;
// If we have PassThru, then we want to make them selectable. If we make them selectable,
// they have a 8 character addition of a checkbox (" [ ]") that we have to factor in.
_listViewOffset = _applicationData.PassThru ? 8 : 4;
// Creates the top-level window to show
var win = new Window(_applicationData.Title)
{
X = 0,
Y = 1, // Leave one row for the toplevel menu
// By using Dim.Fill(), it will automatically resize without manual intervention
Width = Dim.Fill(),
Height = Dim.Fill()
};
top.Add(win);
// Creates a menubar, the item "New" has a help menu.
var menu = new MenuBar(new MenuBarItem []
{
new MenuBarItem("_Actions (F9)",
_applicationData.PassThru
? new MenuItem []
{
new MenuItem("_Accept", string.Empty, () => { if (Quit("Accept", ACCEPT_TEXT))
{
Application.RequestStop();
}
}),
new MenuItem("_Cancel", string.Empty, () => { if (Quit("Cancel", CANCEL_TEXT))
{
_cancelled = true;
}
Application.RequestStop(); })
}
: new MenuItem []
{
new MenuItem("_Close", string.Empty, () => { if (Quit("Close", CLOSE_TEXT))
{
Application.RequestStop();
}
})
})
});
top.Add(menu);
var gridHeaders = _applicationData.DataTable.DataColumns.Select((c) => c.Label).ToList();
_listViewColumnWidths = new int[gridHeaders.Count];
for (int i = 0; i < gridHeaders.Count; i++)
{
_listViewColumnWidths[i] = gridHeaders[i].Length;
}
// calculate the width of each column based on longest string in each column for each row
foreach (var row in _applicationData.DataTable.Data)
{
int index = 0;
// use half of the visible buffer height for the number of objects to inspect to calculate widths
foreach (var col in row.Values.Take(top.Frame.Height / 2))
{
var len = col.Value.DisplayValue.Length;
if (len > _listViewColumnWidths[index])
{
_listViewColumnWidths[index] = len;
}
index++;
}
}
// if the total width is wider than the usable width, remove 1 from widest column until it fits
// the gui loses 3 chars on the left and 2 chars on the right
int usableWidth = top.Frame.Width - 3 - _listViewColumnWidths.Length - _listViewOffset - 2;
int columnWidthsSum = _listViewColumnWidths.Sum();
while (columnWidthsSum >= usableWidth)
{
int maxWidth = 0;
int maxIndex = 0;
for (int i = 0; i < _listViewColumnWidths.Length; i++)
{
if (_listViewColumnWidths[i] > maxWidth)
{
maxWidth = _listViewColumnWidths[i];
maxIndex = i;
}
}
_listViewColumnWidths[maxIndex]--;
columnWidthsSum--;
}
var filterLabel = new Label(FILTER_LABEL)
{
X = 2
};
// 2 is for the square brackets added to buttons
var filterFieldWidth = usableWidth - filterLabel.Text.Length - APPLY_LABEL.Length - 2;
var filterField = new TextField(string.Empty)
{
X = Pos.Right(filterLabel) + 1,
Y = Pos.Top(filterLabel),
CanFocus = true,
Width = filterFieldWidth
};
filterField.Changed += FilterField_Changed;
_filterErrorLabel = new Label(string.Empty)
{
X = Pos.Right(filterLabel) + 1,
Y = Pos.Top(filterLabel) + 1,
ColorScheme = Colors.Base,
Width = filterFieldWidth
};
var filterApplyButton = new Button(APPLY_LABEL)
{
// Pos.Right(filterField) returns 0
X = Pos.Right(filterLabel) + filterFieldWidth + 2,
Y = Pos.Top(filterLabel),
Clicked = () =>
{
FilterField_Changed(null, filterField.Text);
}
};
var header = new Label(GridViewHelpers.GetPaddedString(
gridHeaders,
_listViewOffset + _listViewOffset - 1,
_listViewColumnWidths))
{
X = 0,
Y = 2
};
win.Add(filterLabel, filterField, _filterErrorLabel, filterApplyButton, header);
// This renders dashes under the header to make it more clear what is header and what is data
var headerLineText = new StringBuilder();
foreach (char c in header.Text)
{
if (c.Equals(' '))
{
headerLineText.Append(' ');
}
else
{
// When gui.cs supports text decorations, should replace this with just underlining the header
headerLineText.Append('-');
}
}
var headerLine = new Label(headerLineText.ToString())
{
X = 0,
Y = 3
};
win.Add(headerLine);
LoadData();
_listView = new ListView(_itemSource)
{
X = 3,
Y = 4,
Width = Dim.Fill(2),
Height = Dim.Fill(2),
AllowsMarking = _applicationData.PassThru
};
win.Add(_listView);
Application.Run();
if (_cancelled)
{
return;
}
foreach (GridViewRow gvr in _itemSource.GridViewRowList)
{
if (gvr.IsMarked)
{
SelectedIndexes.Add(gvr.OriginalIndex);
}
}
}
