void _layoutArea_MouseDown(object sender, MouseEventArgs e)
{
mouseDownPosition = e.Location;
if ((_showGroupingBox) && (_GroupingBox.hover(e.Location)))
{
this.currentLayoutAction = layoutActions.groupResize;
//_groupingBoxResize = true;
_groupingBoxResizeDirection = _GroupingBox.direction;
}
placeableItem previousSelectedItem = null;
if (!_showGroupingBox)
{
if (_selectedItem != null)
previousSelectedItem = _selectedItem;
}
List<placeableItem> containingItems = new List<placeableItem>();
foreach (placeableItem placedItem in _pageMatFrame.placedItems)
{
if (placedItem.contains(new Point(e.X, e.Y)))
containingItems.Add(placedItem);
}
if (containingItems.Count > 1)
{
containingItems.Sort(new zComparer()); //images can overlap, but the mouse click should only go to the top level image/graphic
}
if (containingItems.Count > 0) //if this is not true than nothing was selected
{
_selectedItem = containingItems[0];
if (Control.MouseButtons == System.Windows.Forms.MouseButtons.Right)
{
//?????? should I put this here
_showGroupingBox = false;
/*if (_selectedItem.selected == false)
{
_unselectAll();
_selectedItem.selectItem(e, false);
}*/
if (_selectedItem.selected)
this.showContextMenu(_layoutArea.PointToScreen(e.Location));
}
else
{
if (Control.ModifierKeys == Keys.Control)
{
//selecting more than one image
/*
* is selected image already selected? then un-select it
* else -> select the image and add it to a list of selected images
*
* need to check if a single items is group selected and if it is then change it so it is not if only one is left
*/
if (_selectedItem.selected)
{
_showGroupingBox = false;
_selectedItem.unselectItem();
List<placeableItem> selectedItems = _getSelectedItems();
if (selectedItems.Count == 1)
{
_selectedItem = selectedItems[0];
_selectedItem.selectItem(e, false);
}
}
else
{
//if a previous item is selected then change the previous item to a group select
if ((previousSelectedItem != null) && (previousSelectedItem != _selectedItem))
{
if (previousSelectedItem.selected)
previousSelectedItem.selectItem(e, true);
}
if (previousSelectedItem == null) // only one item is being control clicked
{
_showGroupingBox = false;
_selectedItem.selectItem(e, false);
}
else
{
_selectedItem.selectItem(e, true);
_showGroupingBox = true;
_createGroupingBox();
}
}
} //end CNTL Modifier Key
else //not adding images via CNTL Modifier
{
if (_selectedItem.groupSelect == false)
{
_showGroupingBox = false;
if ((previousSelectedItem != null) && (previousSelectedItem != _selectedItem))
{
previousSelectedItem.unselectItem();
}
if (Control.ModifierKeys == Keys.Alt)
{
}
_selectedItem.selectItem(e, false);
}
else
{
_showGroupingBox = true;
_updateGroupSelectedMousePosition(e);
}
}
} //end not right click
}
else //the click was not on any image
{
if ((_GroupingBox != null) && (_groupingRectangle.Contains(e.Location)))
{
_showGroupingBox = true;
_updateGroupSelectedMousePosition(e);
}
else
{
_showGroupingBox = false;
_GroupingBox = null;
List<placeableItem> selectedItems = _getSelectedItems();
foreach (placeableItem selectedItem in selectedItems)
{
selectedItem.unselectItem();
}
_selectedItem = null;
}
}
this.Refresh();
}
private void _removeFromSelectedItems(placeableItem itemToRemove)
{
_selectedItems.Remove(itemToRemove);
itemToRemove.unselectItem();
_createGroupingBox(true);
}