/// <summary>
/// Update the group with the provided sizing solution.
/// </summary>
/// <param name="size">Value for the container.</param>
public void SetSolutionSize(ItemSizeWidth size)
{
// Update the container definition, which itself will then
// update all the child items inside the container for us
_ribbonLines.ItemSizeCurrent = size.GroupItemSize;
ApplySize(size.GroupItemSize);
}
/// <summary>
/// Update the group with the provided sizing solution.
/// </summary>
/// <param name="size">Value for the container.</param>
public void SetSolutionSize(ItemSizeWidth size)
{
// Update the container definition
_ribbonGallery.ItemSizeCurrent = size.GroupItemSize;
_ribbonGallery.InternalItemCount = size.Tag;
_viewLarge.Visible = (size.GroupItemSize == GroupItemSize.Small);
}
/// <summary>
/// Gets an array of the allowed possible sizes of the container.
/// </summary>
/// <param name="context">Context used to calculate the sizes.</param>
/// <returns>Array of size values.</returns>
public ItemSizeWidth[] GetPossibleSizes(ViewLayoutContext context)
{
// Sync child elements to the current group items
SyncChildrenToRibbonGroupItems();
// Create a list of results
List <ItemSizeWidth> results = new List <ItemSizeWidth>();
// Are we allowed to be in the large size?
if (_ribbonLines.ItemSizeMaximum == GroupItemSize.Large)
{
ApplySize(GroupItemSize.Large);
results.Add(new ItemSizeWidth(GroupItemSize.Large, GetPreferredSize(context).Width));
}
// Are we allowed to be in the medium size?
if (((int)_ribbonLines.ItemSizeMaximum >= (int)GroupItemSize.Medium) &&
((int)_ribbonLines.ItemSizeMinimum <= (int)GroupItemSize.Medium))
{
ApplySize(GroupItemSize.Medium);
ItemSizeWidth mediumWidth = new ItemSizeWidth(GroupItemSize.Medium, GetPreferredSize(context).Width);
if (_ribbon.InDesignHelperMode)
{
// Only add if we are the first calculation, as in design mode we
// always provide a single possible size which is the largest item
if (results.Count == 0)
{
results.Add(mediumWidth);
}
}
else
{
// Only add the medium size if there is no other entry or we are
// smaller than the existing size and so represent a useful shrinkage
if ((results.Count == 0) || (results[0].Width > mediumWidth.Width))
{
results.Add(mediumWidth);
}
}
}
// Are we allowed to be in the small size?
if (_ribbonLines.ItemSizeMinimum == GroupItemSize.Small)
{
ApplySize(GroupItemSize.Small);
ItemSizeWidth smallWidth = new ItemSizeWidth(GroupItemSize.Small, GetPreferredSize(context).Width);
if (_ribbon.InDesignHelperMode)
{
// Only add if we are the first calculation, as in design mode we
// always provide a single possible size which is the largest item
if (results.Count == 0)
{
results.Add(smallWidth);
}
}
else
{
// Only add the small size if there is no other entry or we are
// smaller than the existing size and so represent a useful shrinkage
if ((results.Count == 0) || (results[results.Count - 1].Width > smallWidth.Width))
{
results.Add(smallWidth);
}
}
}
// Ensure original value is put back
ResetSize();
return(results.ToArray());
}
/// <summary>
/// Update the group with the provided sizing solution.
/// </summary>
/// <param name="size">Value for the container.</param>
public void SetSolutionSize(ItemSizeWidth size)
{
// Solution should always be the large, the only size we can be
Debug.Assert(size.GroupItemSize == GroupItemSize.Large);
}
/// <summary>
/// Get an array of available widths for the group with associated sizing values.
/// </summary>
/// <param name="context">Context used to calculate the sizes.</param>
/// <returns>Array of size values.</returns>
public GroupSizeWidth[] GetPossibleSizes(ViewLayoutContext context)
{
// Sync child elements to the current group items
SyncChildrenToRibbonGroupItems();
// Get the permutations available for each child container
_listWidths = new List <ItemSizeWidth[]>();
// Scan all child containers
int pixelGaps = 0;
int maxEntries = 0;
for (int i = 0; i < Count; i++)
{
if (this[i].Visible && (this[i] is IRibbonViewGroupContainerView))
{
// Cast child view to correct interface
IRibbonViewGroupContainerView container = (IRibbonViewGroupContainerView)this[i];
// Find list of possible sizes for this container
ItemSizeWidth[] widths = container.GetPossibleSizes(context);
// Track how many extra pixels are needed for inter container gaps
if (_listWidths.Count > 0)
{
pixelGaps++;
}
// Add into list of all container values
_listWidths.Add(widths);
// Track the longest list found
maxEntries = Math.Max(maxEntries, widths.Length);
}
}
// Create list for holding resultant permutations
List <GroupSizeWidth> retSizes = new List <GroupSizeWidth>();
// Create array of indexes into each of the containers and set to zero
int[] indexes = new int[_listWidths.Count];
// Per-permutation values
List <int> permWidth = new List <int>();
List <ItemSizeWidth> permSize = new List <ItemSizeWidth>();
// Cycle around and around the indexes to create permutations
int cycleMax = _listWidths.Count - 1;
int cycleCurrent = cycleMax;
// Decide if we need to break out the process and generate a new perm
bool breakOut = false;
bool tags = true;
do
{
// Generate permutation from current set of indexes
int permTotalWidth = pixelGaps;
permWidth.Clear();
permSize.Clear();
// Generate permutation by taking cell values
for (int k = _listWidths.Count - 1; k >= 0; k--)
{
// Find width and size of the entry
ItemSizeWidth size = _listWidths[k][indexes[k]];
// Track the total width of this permutation
permTotalWidth += size.Width;
// Remember this combinations values
permWidth.Insert(0, size.Width);
permSize.Insert(0, size);
}
// Only add this as a new permutation if the first entry added or if a smaller
// size than the last entry. Permutations should be getting progressively smaller
if ((retSizes.Count == 0) || (retSizes[retSizes.Count - 1].Width != permTotalWidth))
{
retSizes.Add(new GroupSizeWidth(permTotalWidth, permSize.ToArray()));
}
// Do a full cycle looking for a tagged entry to consume
breakOut = false;
// Do we need to process tags?
if (tags)
{
for (int i = 0; i <= cycleMax; i++)
{
// Is this column not at the end of the options?
if (_listWidths[cycleCurrent].Length > (indexes[cycleCurrent] + 1))
{
// Does the entry have a tag value?
if (_listWidths[cycleCurrent][indexes[cycleCurrent]].Tag >= 0)
{
// Advance this column one onwards
indexes[cycleCurrent]++;
// Break out to generate this permutation
breakOut = true;
}
}
// Move cycle around one place
cycleCurrent--;
if (cycleCurrent < 0)
{
cycleCurrent = cycleMax;
}
if (breakOut)
{
break;
}
}
// If no tag based permutation found then turn off processing tags
if (!breakOut)
{
tags = false;
}
}
// If no perm found yet...
if (!breakOut)
{
for (int i = 0; i <= cycleMax; i++)
{
// Is this column not at the end of the options?
if (_listWidths[cycleCurrent].Length > (indexes[cycleCurrent] + 1))
{
// Advance this column one onwards
indexes[cycleCurrent]++;
// Break out to generate this permutation
breakOut = true;
}
// Move cycle around one place
cycleCurrent--;
if (cycleCurrent < 0)
{
cycleCurrent = cycleMax;
}
if (breakOut)
{
break;
}
}
}
}while (breakOut);
// If we have produced nothing then we add a single
// entry which is the minimum width of a group
if (retSizes.Count == 0)
{
retSizes.Add(new GroupSizeWidth(EMPTY_WIDTH, new ItemSizeWidth[] { }));
}
// If adding the extra design time entry
if (_ribbon.InDesignHelperMode)
{
// Get the requested width of the add view
int viewAddWidth = _viewAddContainer.GetPreferredSize(context).Width;
// Add it onto each permutation
foreach (GroupSizeWidth retSize in retSizes)
{
retSize.Width += viewAddWidth;
}
}
return(retSizes.ToArray());
}
/// <summary>
/// Gets an array of the allowed possible sizes of the container.
/// </summary>
/// <param name="context">Context used to calculate the sizes.</param>
/// <returns>Array of size values.</returns>
public ItemSizeWidth[] GetPossibleSizes(ViewLayoutContext context)
{
// Ensure the control has the correct parent
UpdateParent(context.Control);
if (LastGallery != null)
{
Size originalItemSize = LastGallery.PreferredItemSize;
GroupItemSize originalSize = _currentSize;
// Create a list of results
List <ItemSizeWidth> results = new List <ItemSizeWidth>();
// Are we allowed to be in the large size?
if (_ribbonGallery.ItemSizeMaximum == GroupItemSize.Large)
{
// Allow a maximum of 39 steps between the large and medium values (with a minimum of 1)
int step = Math.Max(1, (_ribbonGallery.LargeItemCount - _ribbonGallery.MediumItemCount) / 20);
// Process each step from large to medium
int itemCount = _ribbonGallery.LargeItemCount;
while (itemCount > _ribbonGallery.MediumItemCount)
{
LastGallery.InternalPreferredItemSize = new Size(itemCount, 1);
results.Add(new ItemSizeWidth(GroupItemSize.Large, GetPreferredSize(context).Width, itemCount));
itemCount -= step;
}
}
// Are we allowed to be in the medium size?
if (((int)_ribbonGallery.ItemSizeMaximum >= (int)GroupItemSize.Medium) &&
((int)_ribbonGallery.ItemSizeMinimum <= (int)GroupItemSize.Medium))
{
LastGallery.InternalPreferredItemSize = new Size(_ribbonGallery.MediumItemCount, 1);
ItemSizeWidth mediumWidth = new ItemSizeWidth(GroupItemSize.Medium, GetPreferredSize(context).Width);
if (_ribbon.InDesignHelperMode)
{
// Only add if we are the first calculation, as in design mode we
// always provide a single possible size which is the largest item
if (results.Count == 0)
{
results.Add(mediumWidth);
}
}
else
{
// Only add the medium size if there is no other entry or we are
// smaller than the existing size and so represent a useful shrinkage
if ((results.Count == 0) || (results[results.Count - 1].Width > mediumWidth.Width))
{
results.Add(mediumWidth);
}
}
}
// Are we allowed to be in the small size?
if ((int)_ribbonGallery.ItemSizeMinimum == (int)GroupItemSize.Small)
{
// Temporary set the item size to be size
_viewLarge.Visible = true;
_currentSize = GroupItemSize.Small;
// Get the width of the large button view
ItemSizeWidth smallWidth = new ItemSizeWidth(GroupItemSize.Small, GetPreferredSize(context).Width);
if (_ribbon.InDesignHelperMode)
{
// Only add if we are the first calculation, as in design mode we
// always provide a single possible size which is the largest item
if (results.Count == 0)
{
results.Add(smallWidth);
}
}
else
{
// Only add the medium size if there is no other entry or we are
// smaller than the existing size and so represent a useful shrinkage
if ((results.Count == 0) || (results[results.Count - 1].Width > smallWidth.Width))
{
results.Add(smallWidth);
}
}
}
// Ensure original value is put back
LastGallery.InternalPreferredItemSize = originalItemSize;
_currentSize = originalSize;
return(results.ToArray());
}
else
{
return new ItemSizeWidth[] { new ItemSizeWidth(GroupItemSize.Large, NULL_CONTROL_WIDTH) }
};
}