protected void OnLinkClicked(BreadCrumb sender)
{
if (BreadCrumbClicked != null)
{
BreadCrumbClicked(sender, new BreadCrumbClickedEventArgs(sender));
}
}
private TableLayoutPanel CreateContainerBox(BreadCrumb crumb)
{
var dataFilter = (DataFilter)crumb.Tag;
var crumbTable = new TableLayoutPanel
{
AutoSize = true,
Padding = new Padding(5),
Size = new Size(0, 0),
AutoSizeMode = AutoSizeMode.GrowAndShrink
};
var containerBook = CreateContainerBook(dataFilter);
PopulateContainerBox(dataFilter, containerBook, 0, crumbTable, crumb);
return(crumbTable);
}
protected void OnLinkClicked (BreadCrumb sender)
{
if (BreadCrumbClicked != null)
BreadCrumbClicked(sender, new BreadCrumbClickedEventArgs(sender));
}
internal BreadCrumbClickedEventArgs (BreadCrumb breadCrumb) { BreadCrumb = breadCrumb; }
private void PopulateContainerBox(DataFilter dataFilter, List<List<KeyValuePair<string, int>>> containerBook, int pageIndex, TableLayoutPanel crumbTable, BreadCrumb crumb)
{
var firstColumnSize = 0;
var lastColumnSize = 0;
var largestDescription = 0;
var dataSet = containerBook[pageIndex];
//clear current table and populate with the crumbs present in the current page
crumbTable.Controls.Clear();
for (var x = 0; x < dataSet.Count; x++)
{
var kvp = dataSet[x];
var arrow = new Label { Text = ">", AutoSize = true, Margin = new Padding(0, 5, 0, 5) };
crumbTable.Controls.Add(arrow, 0, x);
if (arrow.Width > 0)
firstColumnSize = arrow.Width;
var description = new Label { Text = kvp.Key, AutoSize = true, Margin = new Padding(5) };
crumbTable.Controls.Add(description, 1, x);
if (description.Width > largestDescription)
largestDescription = description.Width;
var deleteLink = new LinkLabel { Text = "(x)", AutoSize = true, Margin = new Padding(0, 5, 0, 5) };
deleteLink.Click += delegate
{
var allGone = RemoveItemInContainer(dataFilter, kvp.Value);
_subItemPopup.Close();
if (allGone)
BreadCrumbClicked(crumb, new BreadCrumbClickedEventArgs(crumb));
else
{
BreadCrumbClicked(null, new BreadCrumbClickedEventArgs(null));
breadCrumbs_ListChanged(null, null);
}
};
crumbTable.Controls.Add(deleteLink, 2, x);
if (deleteLink.Width > 0)
lastColumnSize = deleteLink.Width;
}
//if there exists more than one page add navigation row
if (containerBook.Count > 1)
{
//forward and back buttons
if (pageIndex > 0)
{
var backButton = new Button { Text = "<-", Size = new Size(30, 20) };
backButton.Click += (x, y) =>
{
PopulateContainerBox(dataFilter, containerBook, pageIndex - 1,
crumbTable, crumb);
if (_subItemPopup != null)
_subItemPopup.Size = _tableSize;
};
crumbTable.Controls.Add(backButton, 0, dataSet.Count);
if (backButton.Width > firstColumnSize)
firstColumnSize = backButton.Width;
}
if (pageIndex < containerBook.Count - 1)
{
var forwardButton = new Button { Text = "->", Size = new Size(30, 20) };
forwardButton.Click += (x, y) =>
{
PopulateContainerBox(dataFilter, containerBook, pageIndex + 1,
crumbTable, crumb);
if (_subItemPopup != null)
_subItemPopup.Size = _tableSize;
};
crumbTable.Controls.Add(forwardButton, 2, dataSet.Count);
if (forwardButton.Width > lastColumnSize)
lastColumnSize = forwardButton.Width;
}
//middle page reporting / goto page control
var cellPanel = new Panel {Size = new Size(largestDescription, 23)};
var pageLabel = new Label {Text = "Page ", AutoSize = true};
pageLabel.Font = new Font(pageLabel.Font.ToString(),10.0f);
var pageSelectBox = new TextBox {Text = (pageIndex + 1).ToString(), TextAlign = HorizontalAlignment.Center};
pageSelectBox.KeyPress += (x, y) =>
{
//if enter is pressed go to selected page (or reset to current page if no valid page is selected)
if (y.KeyChar == (char)13)
{
y.Handled = true;
int tempInt;
if (!int.TryParse(pageSelectBox.Text, out tempInt) ||
tempInt <= 0 || tempInt > containerBook.Count)
pageSelectBox.Text = (pageIndex + 1).ToString();
else
{
PopulateContainerBox(dataFilter, containerBook, tempInt - 1,
crumbTable, crumb);
if (_subItemPopup != null)
_subItemPopup.Size = _tableSize;
}
}
};
pageSelectBox.Leave += (x, y) => { pageSelectBox.Text = (pageIndex + 1).ToString(); };
var totalLabel = new Label { Text = " of " + containerBook.Count, AutoSize = true };
totalLabel.Font = new Font(totalLabel.Font.ToString(), 10.0f);
//add all three controls to the cell panel
cellPanel.Controls.Add(pageLabel);
cellPanel.Controls.Add(pageSelectBox);
cellPanel.Controls.Add(totalLabel);
//make sure boxes are wide enough
pageSelectBox.Width = totalLabel.Width-10;
var totalCellWidth = pageLabel.Width + pageSelectBox.Width + totalLabel.Width;
if (totalCellWidth > largestDescription)
{
largestDescription = totalCellWidth;
cellPanel.Width = totalCellWidth;
}
//reposition controls to final locations
var startlocation = (largestDescription - totalCellWidth) / 2;
pageLabel.Location = new Point(startlocation, 0);
pageSelectBox.Location = new Point(startlocation + pageLabel.Width, 0);
totalLabel.Location = new Point(startlocation+pageLabel.Width + pageSelectBox.Width,0);
crumbTable.Controls.Add(cellPanel, 1, dataSet.Count);
}
//Hack: sadly the obvious .GetRowHeights() and .getColumnWidths
//dont give consistantly valid results, as such proper dimentions have
//to be calculated as the table is formed.
var rowHeights = (crumbTable.GetRowHeights().Length) * 24;
var columnWidths = firstColumnSize + lastColumnSize + 25 +largestDescription;
_tableSize = new Size(columnWidths +5, rowHeights +5);
}
private TableLayoutPanel CreateContainerBox(BreadCrumb crumb)
{
var dataFilter = (DataFilter) crumb.Tag;
var crumbTable = new TableLayoutPanel
{
AutoSize = true,
Padding = new Padding(5),
Size = new Size(0, 0),
AutoSizeMode = AutoSizeMode.GrowAndShrink
};
var containerBook = CreateContainerBook(dataFilter);
PopulateContainerBox(dataFilter, containerBook, 0, crumbTable, crumb);
return crumbTable;
}
internal BreadCrumbClickedEventArgs(BreadCrumb breadCrumb)
{
BreadCrumb = breadCrumb;
}
private void PopulateContainerBox(DataFilter dataFilter, List <List <KeyValuePair <string, int> > > containerBook, int pageIndex, TableLayoutPanel crumbTable, BreadCrumb crumb)
{
var firstColumnSize = 0;
var lastColumnSize = 0;
var largestDescription = 0;
var dataSet = containerBook[pageIndex];
//clear current table and populate with the crumbs present in the current page
crumbTable.Controls.Clear();
for (var x = 0; x < dataSet.Count; x++)
{
var kvp = dataSet[x];
var arrow = new Label {
Text = ">", AutoSize = true, Margin = new Padding(0, 5, 0, 5)
};
crumbTable.Controls.Add(arrow, 0, x);
if (arrow.Width > 0)
{
firstColumnSize = arrow.Width;
}
var description = new Label {
Text = kvp.Key, AutoSize = true, Margin = new Padding(5)
};
crumbTable.Controls.Add(description, 1, x);
if (description.Width > largestDescription)
{
largestDescription = description.Width;
}
var deleteLink = new LinkLabel {
Text = "(x)", AutoSize = true, Margin = new Padding(0, 5, 0, 5)
};
deleteLink.Click += delegate
{
var allGone = RemoveItemInContainer(dataFilter, kvp.Value);
_subItemPopup.Close();
if (allGone)
{
BreadCrumbClicked(crumb, new BreadCrumbClickedEventArgs(crumb));
}
else
{
BreadCrumbClicked(null, new BreadCrumbClickedEventArgs(null));
breadCrumbs_ListChanged(null, null);
}
};
crumbTable.Controls.Add(deleteLink, 2, x);
if (deleteLink.Width > 0)
{
lastColumnSize = deleteLink.Width;
}
}
//if there exists more than one page add navigation row
if (containerBook.Count > 1)
{
//forward and back buttons
if (pageIndex > 0)
{
var backButton = new Button {
Text = "<-", Size = new Size(30, 20)
};
backButton.Click += (x, y) =>
{
PopulateContainerBox(dataFilter, containerBook, pageIndex - 1,
crumbTable, crumb);
if (_subItemPopup != null)
{
_subItemPopup.Size = _tableSize;
}
};
crumbTable.Controls.Add(backButton, 0, dataSet.Count);
if (backButton.Width > firstColumnSize)
{
firstColumnSize = backButton.Width;
}
}
if (pageIndex < containerBook.Count - 1)
{
var forwardButton = new Button {
Text = "->", Size = new Size(30, 20)
};
forwardButton.Click += (x, y) =>
{
PopulateContainerBox(dataFilter, containerBook, pageIndex + 1,
crumbTable, crumb);
if (_subItemPopup != null)
{
_subItemPopup.Size = _tableSize;
}
};
crumbTable.Controls.Add(forwardButton, 2, dataSet.Count);
if (forwardButton.Width > lastColumnSize)
{
lastColumnSize = forwardButton.Width;
}
}
//middle page reporting / goto page control
var cellPanel = new Panel {
Size = new Size(largestDescription, 23)
};
var pageLabel = new Label {
Text = "Page ", AutoSize = true
};
pageLabel.Font = new Font(pageLabel.Font.ToString(), 10.0f);
var pageSelectBox = new TextBox {
Text = (pageIndex + 1).ToString(), TextAlign = HorizontalAlignment.Center
};
pageSelectBox.KeyPress += (x, y) =>
{
//if enter is pressed go to selected page (or reset to current page if no valid page is selected)
if (y.KeyChar == (char)13)
{
y.Handled = true;
int tempInt;
if (!int.TryParse(pageSelectBox.Text, out tempInt) ||
tempInt <= 0 || tempInt > containerBook.Count)
{
pageSelectBox.Text = (pageIndex + 1).ToString();
}
else
{
PopulateContainerBox(dataFilter, containerBook, tempInt - 1,
crumbTable, crumb);
if (_subItemPopup != null)
{
_subItemPopup.Size = _tableSize;
}
}
}
};
pageSelectBox.Leave += (x, y) => { pageSelectBox.Text = (pageIndex + 1).ToString(); };
var totalLabel = new Label {
Text = " of " + containerBook.Count, AutoSize = true
};
totalLabel.Font = new Font(totalLabel.Font.ToString(), 10.0f);
//add all three controls to the cell panel
cellPanel.Controls.Add(pageLabel);
cellPanel.Controls.Add(pageSelectBox);
cellPanel.Controls.Add(totalLabel);
//make sure boxes are wide enough
pageSelectBox.Width = totalLabel.Width - 10;
var totalCellWidth = pageLabel.Width + pageSelectBox.Width + totalLabel.Width;
if (totalCellWidth > largestDescription)
{
largestDescription = totalCellWidth;
cellPanel.Width = totalCellWidth;
}
//reposition controls to final locations
var startlocation = (largestDescription - totalCellWidth) / 2;
pageLabel.Location = new Point(startlocation, 0);
pageSelectBox.Location = new Point(startlocation + pageLabel.Width, 0);
totalLabel.Location = new Point(startlocation + pageLabel.Width + pageSelectBox.Width, 0);
crumbTable.Controls.Add(cellPanel, 1, dataSet.Count);
}
//Hack: sadly the obvious .GetRowHeights() and .getColumnWidths
//dont give consistantly valid results, as such proper dimentions have
//to be calculated as the table is formed.
var rowHeights = (crumbTable.GetRowHeights().Length) * 24;
var columnWidths = firstColumnSize + lastColumnSize + 25 + largestDescription;
_tableSize = new Size(columnWidths + 5, rowHeights + 5);
}
