/// <summary>
/// Removes a widget from the container.
/// </summary>
/// <param name="widget">
/// The <see cref="ExpressionItemWidget"/> that will be removed
/// </param>
public void RemoveItem(ExpressionItemWidget widget)
{
expItemsBox.Remove(widget);
if (expItemsBox.Children.Length == 0)
{
expItemsScroller.HeightRequest = 85;
}
else
{
int maxRequest = -1;
foreach (ExpressionItemWidget childWidget in expItemsBox.Children)
{
if (maxRequest < childWidget.HeightRequest)
{
maxRequest = childWidget.HeightRequest;
}
childWidget.CheckPosition();
}
expItemsScroller.HeightRequest = maxRequest + 20;
}
}
/// <summary>
/// Moves the widget towards the beginning of the expression.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void MoveItemBackwards(ExpressionItemWidget widget)
{
int position = (expItemsBox[widget] as Gtk.Box.BoxChild).Position;
expItemsBox.ReorderChild(widget, position - 1);
widget.CheckPosition();
(expItemsBox.Children[position] as ExpressionItemWidget).CheckPosition();
}
/// <summary>
/// Removes an item from the container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void RemoveItem(ExpressionItemWidget widget)
{
itemOpRelatedItemsBox.Remove(widget);
foreach (RelatedItemWidget relWidget in itemOpRelatedItemsBox.Children)
{
relWidget.CheckPosition();
}
}
/// <summary>
/// Moves an item towards the end of the container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void MoveItemFordwards(ExpressionItemWidget widget)
{
int position = this[widget].Position;
itemOpRelatedItemsBox.ReorderChild(widget, position + 1);
widget.CheckPosition();
((RelatedItemWidget)itemOpRelatedItemsBox.Children[position]).CheckPosition();
}
/// <summary>
/// Remove an item from this container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void RemoveItem(ExpressionItemWidget widget)
{
expGroupItemsBox.Remove(widget);
foreach (ExpressionItemWidget childWidget in expGroupItemsBox)
{
childWidget.CheckPosition();
}
CheckHeight();
}
/// <summary>
/// <see cref="RelatedItemWidget"/>'s constructor.
/// </summary>
public RelatedItemWidget(ExpressionItemWidget itemWidget,
IExpressionItemContainer container)
: base(container)
{
Glade.XML gladeXml = new XML("mathtextrecognizer.glade",
"relatedItemWidgetBase");
gladeXml.Autoconnect(this);
this.itemWidget = itemWidget;
this.Add(relatedItemWidgetBase);
this.relatedItemPlaceholder.Add(itemWidget);
this.ShowAll();
}
/// <summary>
/// <see cref="RelatedItemWidget"/>'s constructor.
/// </summary>
public RelatedItemWidget(ExpressionItemWidget itemWidget,
IExpressionItemContainer container)
:base(container)
{
Glade.XML gladeXml = new XML("mathtextrecognizer.glade",
"relatedItemWidgetBase");
gladeXml.Autoconnect(this);
this.itemWidget = itemWidget;
this.Add(relatedItemWidgetBase);
this.relatedItemPlaceholder.Add(itemWidget);
this.ShowAll();
}
/// <summary>
/// Adds an item to the container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void AddItem(ExpressionItemWidget widget)
{
RelatedItemWidget relatedItemWidget =
new RelatedItemWidget(widget, this);
widget.SetRelatedMode();
this.itemOpRelatedItemsBox.Add(relatedItemWidget);
foreach (RelatedItemWidget relWidget in itemOpRelatedItemsBox.Children)
{
relWidget.CheckPosition();
}
itemOpRelatedItemsScroller.Vadjustment.Value =
itemOpRelatedItemsScroller.Vadjustment.Upper;
}
/// <summary>
/// Adds an item widget to the group.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void AddItem(ExpressionItemWidget widget)
{
expGroupItemsBox.Add(widget);
foreach (ExpressionItemWidget childWidget in expGroupItemsBox)
{
childWidget.CheckPosition();
}
CheckHeight();
expGroupItemsScroller.Hadjustment.Value =
expGroupItemsScroller.Hadjustment.Upper;
// We need to listen to changes in the childrens' height to
// adjust the container's own.
widget.HeightRequestChanged +=
new EventHandler(OnChildWidgetHeightRequestChanged);
}
/// <summary>
/// Adds an item to the items container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void AddItem(ExpressionItemWidget widget)
{
expItemsBox.Add(widget);
foreach (ExpressionItemWidget w in expItemsBox.Children)
{
w.CheckPosition();
}
widget.HeightRequestChanged +=
new EventHandler(OnChildWidgetHeightRequestChanged);
// We expand the scroller is it's necessary to show the whole widget.
if (widget.HeightRequest + 20 > expItemsScroller.HeightRequest)
{
expItemsScroller.HeightRequest = widget.HeightRequest + 20;
}
expItemsScroller.Hadjustment.Value =
expItemsScroller.Hadjustment.Upper;
}
/// <summary>
/// Creates a widget based on the type of the item pased.
/// </summary>
/// <param name="item">
/// The <see cref="ExpressionItem"/> that will be contained in the
/// widget.
/// </param>
/// <param name="container">
/// The container holding the new widget.
/// </param>
/// <returns>
/// The widget holding the given item.
/// </returns>
public static ExpressionItemWidget CreateWidget(ExpressionItem item,
IExpressionItemContainer container)
{
ExpressionItemWidget widget = null;
if (item.GetType() == typeof(ExpressionGroupItem))
{
widget = new ExpressionGroupWidget(container);
}
else if (item.GetType() == typeof(ExpressionTokenItem))
{
widget = new ExpressionTokenWidget(container);
}
if (item.GetType() == typeof(ExpressionRuleCallItem))
{
widget = new ExpressionRuleCallWidget(container);
}
widget.ExpressionItem = item;
return(widget);
}
/// <summary>
/// Moves the widget towards the start of the item group.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void MoveItemBackwards(ExpressionItemWidget widget)
{
int position = (expGroupItemsBox[widget] as Gtk.Box.BoxChild).Position;
expGroupItemsBox.ReorderChild(widget, position-1);
widget.CheckPosition();
(expGroupItemsBox.Children[position] as ExpressionItemWidget).CheckPosition();
}
/// <summary>
/// Adds an item widget to the group.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void AddItem (ExpressionItemWidget widget)
{
expGroupItemsBox.Add(widget);
foreach (ExpressionItemWidget childWidget in expGroupItemsBox)
{
childWidget.CheckPosition();
}
CheckHeight();
expGroupItemsScroller.Hadjustment.Value =
expGroupItemsScroller.Hadjustment.Upper;
// We need to listen to changes in the childrens' height to
// adjust the container's own.
widget.HeightRequestChanged +=
new EventHandler(OnChildWidgetHeightRequestChanged);
}
/// <summary>
/// Remove an item from this container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void RemoveItem (ExpressionItemWidget widget)
{
expGroupItemsBox.Remove(widget);
foreach (ExpressionItemWidget childWidget in expGroupItemsBox)
{
childWidget.CheckPosition();
}
CheckHeight();
}
/// <summary>
/// Moves an item towards the end of the container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void MoveItemFordwards (ExpressionItemWidget widget)
{
int position = this[widget].Position;
itemOpRelatedItemsBox.ReorderChild(widget, position+1);
widget.CheckPosition();
((RelatedItemWidget)itemOpRelatedItemsBox.Children[position]).CheckPosition();
}
/// <summary>
/// Adds an item to the container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
private RelatedItemWidget AddItemAux (ExpressionItemWidget widget)
{
RelatedItemWidget relatedItemWidget =
new RelatedItemWidget(widget, this);
widget.SetRelatedMode();
this.itemOpRelatedItemsBox.Add(relatedItemWidget);
foreach (RelatedItemWidget relWidget in itemOpRelatedItemsBox.Children)
{
relWidget.CheckPosition();
}
itemOpRelatedItemsScroller.Vadjustment.Value =
itemOpRelatedItemsScroller.Vadjustment.Upper;
return relatedItemWidget;
}
/// <summary>
/// Adds an item to the items container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void AddItem (ExpressionItemWidget widget)
{
expItemsBox.Add(widget);
foreach (ExpressionItemWidget w in expItemsBox.Children)
{
w.CheckPosition();
}
widget.HeightRequestChanged +=
new EventHandler(OnChildWidgetHeightRequestChanged);
// We expand the scroller is it's necessary to show the whole widget.
if(widget.HeightRequest + 20 > expItemsScroller.HeightRequest)
expItemsScroller.HeightRequest = widget.HeightRequest + 20;
expItemsScroller.Hadjustment.Value =
expItemsScroller.Hadjustment.Upper;
}
/// <summary>
/// Removes a widget from the container.
/// </summary>
/// <param name="widget">
/// The <see cref="ExpressionItemWidget"/> that will be removed
/// </param>
public void RemoveItem(ExpressionItemWidget widget)
{
expItemsBox.Remove(widget);
if(expItemsBox.Children.Length ==0)
{
expItemsScroller.HeightRequest = 85;
}
else
{
int maxRequest = -1;
foreach (ExpressionItemWidget childWidget in expItemsBox.Children)
{
if (maxRequest < childWidget.HeightRequest)
maxRequest = childWidget.HeightRequest;
childWidget.CheckPosition();
}
expItemsScroller.HeightRequest = maxRequest + 20;
}
}
/// <summary>
/// Removes an item from the container.
/// </summary>
/// <param name="widget">
/// A <see cref="ExpressionItemWidget"/>
/// </param>
public void RemoveItem (ExpressionItemWidget widget)
{
itemOpRelatedItemsBox.Remove(widget);
foreach (RelatedItemWidget relWidget in itemOpRelatedItemsBox.Children)
{
relWidget.CheckPosition();
}
}
