public void SelectItem(iFolderViewItem item)
{
if (item != null)
{
// Select this item
if (!item.Selected)
{
if (Mode == SelectionMode.Single)
{
// Unselect the old item
iFolderViewItem oldItem;
if (GetSelected(out oldItem))
{
oldItem.Selected = false;
}
}
item.Selected = true;
if (SelectionChanged != null)
{
SelectionChanged(this, EventArgs.Empty);
}
}
}
}
/// <summary>
/// Event Handler for Selection Changed event
/// </summary>
private void SelectionChangedHandler(object o, EventArgs args)
{
//Debug.PrintLine("iFolderIconView.SelectionChangedHandler()");
iFolderViewGroupSelection gSelect = (iFolderViewGroupSelection)o;
iFolderViewGroup group = gSelect.ViewGroup;
// Deselect all other items from other groups
foreach (iFolderViewGroup tempGroup in viewGroups)
{
if (group != tempGroup)
{
tempGroup.Selection.SelectionChanged -= new EventHandler(SelectionChangedHandler);
tempGroup.Selection.UnselectAll();
tempGroup.Selection.SelectionChanged += new EventHandler(SelectionChangedHandler);
}
}
if (SelectionChanged != null)
{
iFolderViewItem selectedItem = null;
if (group.Selection.GetSelected(out selectedItem))
{
currentSelection = selectedItem.Holder;
SelectionChanged(selectedItem.Holder, EventArgs.Empty);
}
else
{
currentSelection = null;
SelectionChanged(null, EventArgs.Empty);
}
}
}
private void OnRowChanged(object o, RowChangedArgs args)
{
if (args == null || args.Path == null)
{
return; // prevent a null pointer exception
}
iFolderViewItem item = (iFolderViewItem)items[args.Path.ToString()];
if (item != null)
{
item.Refresh();
}
}
public bool GetSelected(out iFolderViewItem itemOut)
{
itemOut = null;
// Look for the first selection
foreach (iFolderViewItem item in group.Items)
{
if (item.Selected)
{
itemOut = item;
return(true);
}
}
return(false);
}
public void SelectItem(iFolderViewItem item)
{
if (item != null)
{
if (!item.Selected)
{
if (Mode == SelectionMode.Single)
{
iFolderViewItem oldItem;
if (GetSelected(out oldItem))
oldItem.Selected = false;
}
item.Selected = true;
if (SelectionChanged != null)
SelectionChanged(this, EventArgs.Empty);
}
}
}
public bool GetSelected(out TreeModel modelOut, out iFolderViewItem itemOut)
{
Console.WriteLine("iFolderViewGroupSelection.GetSelected2");
modelOut = group.Model;
return GetSelected(out itemOut);
}
public bool GetSelected(out iFolderViewItem itemOut)
{
Console.WriteLine("iFolderViewGroupSelection.GetSelected");
itemOut = null;
foreach(iFolderViewItem item in group.Items)
{
if (item.Selected)
{
itemOut = item;
return true;
}
}
return false;
}
public void RebuildTable()
{
iFolderViewGroup.CheckThread();
Console.WriteLine("iFolderViewGroup.RebuildTable({0})", name);
int numOfItems = model.IterNChildren();
Console.WriteLine("\tNum of Items: {0}", numOfItems);
if (numOfItems > 0)
{
int availableWidth = currentWidth
- (int)(contentVBox.BorderWidth * 2)
- (int)(table.BorderWidth * 2);
Console.WriteLine("\tWidth Available: {0}", availableWidth);
int numOfColumns = availableWidth / ItemMaxWidth;
if (numOfColumns < 1)
numOfColumns = 1;
int numOfRows = numOfItems / numOfColumns;
if ((numOfItems % numOfColumns) > 0)
numOfRows++;
bFirstTableBuild = false;
items.Clear();
foreach (Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
Console.WriteLine("\tResizing table to {0} rows and {1} columns", numOfRows, numOfColumns);
table.Resize((uint)numOfRows, (uint)numOfColumns);
int currentRow = 0;
int currentColumn = 0;
TreeIter iter;
if (model.GetIterFirst(out iter))
{
do
{
iFolderHolder holder = (iFolderHolder)model.GetValue(iter, 0);
if (holder != null)
{
iFolderViewItem item = new iFolderViewItem(holder, this, iter, ItemMaxWidth);
table.Attach(item,
(uint)currentColumn, (uint)currentColumn + 1,
(uint)currentRow, (uint)currentRow + 1,
AttachOptions.Shrink | AttachOptions.Fill,
0, 0, 0);
TreePath path = model.GetPath(iter);
items[path.ToString()] = item;
item.LeftClicked +=
new EventHandler(OnItemLeftClicked);
item.RightClicked +=
new EventHandler(OnItemRightClicked);
item.DoubleClicked +=
new EventHandler(OnItemDoubleClicked);
currentColumn = ((currentColumn + 1) % numOfColumns);
if (currentColumn == 0)
currentRow++;
}
} while (model.IterNext(ref iter));
}
table.ShowAll();
}
else
{
items.Clear();
foreach(Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
}
}
public bool GetSelected(out TreeModel modelOut, out iFolderViewItem itemOut)
{
modelOut = group.Model;
return GetSelected(out itemOut);
}
public bool GetSelected(out iFolderViewItem itemOut)
{
itemOut = null;
foreach(iFolderViewItem item in group.Items)
{
if (item.Selected)
{
itemOut = item;
return true;
}
}
return false;
}
public void RebuildTable()
{
if( (null == model) || (null == items) || (null == table) )
{
iFolderViewGroup.log.Info("NULL Reference Exception: Object, model is -{0}-items is-{1}-table is -{2}-",model,items,table);
return;
}
int numOfItems = model.IterNChildren();
if (numOfItems > 0)
{
int availableWidth = currentWidth
- (int)(contentVBox.BorderWidth * 2)
- (int)(table.BorderWidth * 2);
int numOfColumns = availableWidth / ItemMaxWidth;
if (numOfColumns < 1)
numOfColumns = 1;
int numOfRows = numOfItems / numOfColumns;
if ((numOfItems % numOfColumns) > 0)
numOfRows++;
bFirstTableBuild = false;
items.Clear();
foreach (Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
table.Resize((uint)numOfRows, (uint)numOfColumns);
int currentRow = 0;
int currentColumn = 0;
TreeIter iter;
if (model.GetIterFirst(out iter))
{
do
{
iFolderHolder holder = (iFolderHolder)model.GetValue(iter, 0);
if (holder != null)
{
iFolderViewItem item = new iFolderViewItem(holder, this, iter, ItemMaxWidth);
if(null == item)
{
iFolderViewGroup.log.Info("NULL Reference Exception: Object item is NULL");
return;
}
table.Attach(item,
(uint)currentColumn, (uint)currentColumn + 1,
(uint)currentRow, (uint)currentRow + 1,
AttachOptions.Shrink | AttachOptions.Fill,
0, 0, 0);
TreePath path = model.GetPath(iter);
items[path.ToString()] = item;
item.LeftClicked +=
new EventHandler(OnItemLeftClicked);
item.RightClicked +=
new EventHandler(OnItemRightClicked);
item.DoubleClicked +=
new EventHandler(OnItemDoubleClicked);
currentColumn = ((currentColumn + 1) % numOfColumns);
if (currentColumn == 0)
currentRow++;
}
} while (model.IterNext(ref iter));
}
table.ShowAll();
}
else
{
items.Clear();
foreach(Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
}
}
public bool GetSelected(out TreeModel modelOut, out iFolderViewItem itemOut)
{
modelOut = group.Model;
return(GetSelected(out itemOut));
}
private void OnItemRightClicked(object o, EventArgs args)
{
iFolderViewItem item = (iFolderViewItem)o;
selection.SelectItem(item);
}
public void RebuildTable()
{
if ((null == model) || (null == items) || (null == table))
{
iFolderViewGroup.log.Info("NULL Reference Exception: Object, model is -{0}-items is-{1}-table is -{2}-", model, items, table);
return; // prevent null pointer exception
}
int numOfItems = model.IterNChildren();
if (numOfItems > 0)
{
int availableWidth = currentWidth
- (int)(contentVBox.BorderWidth * 2)
- (int)(table.BorderWidth * 2);
int numOfColumns = availableWidth / ItemMaxWidth;
if (numOfColumns < 1)
{
numOfColumns = 1; // Force at least one column
}
int numOfRows = numOfItems / numOfColumns;
if ((numOfItems % numOfColumns) > 0)
{
numOfRows++;
}
bFirstTableBuild = false;
///
/// Clear out the old items
///
items.Clear();
foreach (Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
table.Resize((uint)numOfRows, (uint)numOfColumns);
int currentRow = 0;
int currentColumn = 0;
TreeIter iter;
if (model.GetIterFirst(out iter))
{
do
{
iFolderHolder holder = (iFolderHolder)model.GetValue(iter, 0);
if (holder != null)
{
iFolderViewItem item = new iFolderViewItem(holder, this, iter, ItemMaxWidth);
if (null == item)
{
iFolderViewGroup.log.Info("NULL Reference Exception: Object item is NULL");
return; //prevent null pointer exception
}
table.Attach(item,
(uint)currentColumn, (uint)currentColumn + 1,
(uint)currentRow, (uint)currentRow + 1,
AttachOptions.Shrink | AttachOptions.Fill,
0, 0, 0);
// Save off the item so we can quickly reference it later
TreePath path = model.GetPath(iter);
items[path.ToString()] = item;
// Register for the click events
item.LeftClicked +=
new EventHandler(OnItemLeftClicked);
item.RightClicked +=
new EventHandler(OnItemRightClicked);
item.DoubleClicked +=
new EventHandler(OnItemDoubleClicked);
currentColumn = ((currentColumn + 1) % numOfColumns);
if (currentColumn == 0)
{
currentRow++;
}
}
} while (model.IterNext(ref iter));
}
table.ShowAll();
}
else
{
items.Clear();
foreach (Widget w in table.Children)
{
table.Remove(w);
w.Destroy();
}
}
}
