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//
// DocksView.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Xml.Serialization;
using System.ComponentModel;
using Crow.IML;
namespace Crow
{
public class Docker : Group
{
static Instantiator instStack, instSplit, instSpacer;
#region CTOR
static Docker () {
instStack = Instantiator.CreateFromImlFragment(@"<GenericStack Background='Blue' AllowDrop='true' DragEnter='onStackDragEnter'/>");
instSplit = Instantiator.CreateFromImlFragment(@"<Splitter/>");
instSpacer = Instantiator.CreateFromImlFragment(@"<GraphicObject Background='Red' IsEnabled='false'/>");
}
public Docker () : base ()
{
}
#endregion
GenericStack rootStack = null;
public override void AddChild (GraphicObject g)
{
DockWindow dw = g as DockWindow;
if (dw == null)
throw new Exception ("Docker accept only DockWindow as child");
base.AddChild (g);
dw.LogicalParent = this;
}
public override void RemoveChild (GraphicObject child)
{
child.LogicalParent = null;
base.RemoveChild (child);
}
GenericStack mainStack = null;
int dockingThreshold;
[XmlAttributeAttribute][DefaultValue(10)]
public virtual int DockingThreshold {
get { return dockingThreshold; }
set {
if (dockingThreshold == value)
return;
dockingThreshold = value;
NotifyValueChanged ("DockingThreshold", dockingThreshold);
}
}
bool showDockingTarget = false;
Alignment dockingDirection = Alignment.Center;
int dockingDiv = 5;
public override void onMouseMove (object sender, MouseMoveEventArgs e)
{
if (CurrentInterface.DragAndDropOperation?.DragSource as DockWindow != null) {
DockWindow dw = CurrentInterface.DragAndDropOperation?.DragSource as DockWindow;
if (CurrentInterface.DragAndDropOperation.DragSource.Parent == this && !dw.IsDocked)
dw.MoveAndResize (e.XDelta, e.YDelta);
Rectangle r = ClientRectangle;
int vTreshold = r.Height / dockingDiv;
int hTreshold = r.Width / dockingDiv;
bool showDock = true;
if (dw.Slot.Left < hTreshold)
dockingDirection = Alignment.Left;
else if (dw.Slot.Right > r.Right - hTreshold)
dockingDirection = Alignment.Right;
else if (dw.Slot.Top < vTreshold)
dockingDirection = Alignment.Top;
else if (dw.Slot.Bottom > r.Bottom - vTreshold)
dockingDirection = Alignment.Bottom;
else {
dockingDirection = Alignment.Center;
showDock = false;
}
showDockingTarget = showDock;
RegisterForGraphicUpdate ();
//System.Diagnostics.Debug.WriteLine ("Dock: {0}", dockingDirection);
} else
showDockingTarget = false;
base.onMouseMove (sender, e);
}
protected override void onDragEnter (object sender, DragDropEventArgs e)
{
base.onDragEnter (sender, e);
}
void onStackDragEnter (object sender, DragDropEventArgs e)
{
base.onDragEnter (sender, e);
mainStack = sender as GenericStack;
}
protected override void onDraw (Cairo.Context gr)
{
gr.Save ();
Rectangle rBack = new Rectangle (Slot.Size);
Background.SetAsSource (gr, rBack);
CairoHelpers.CairoRectangle (gr, rBack, CornerRadius);
gr.Fill ();
if (ClipToClientRect) {
//clip to client zone
CairoHelpers.CairoRectangle (gr, ClientRectangle, CornerRadius);
gr.Clip ();
}
lock (Children) {
foreach (GraphicObject g in Children) {
if (CurrentInterface.DragAndDropOperation?.DragSource == g)
continue;
g.Paint (ref gr);
}
}
if (showDockingTarget) {
Rectangle r;
if (mainStack == null)
r = ClientRectangle;
else
r = mainStack.ClientRectangle;
switch (dockingDirection) {
case Alignment.Top:
gr.Rectangle (r.Left, r.Top, r.Width, r.Height / dockingDiv);
break;
case Alignment.Bottom:
gr.Rectangle (r.Left, r.Bottom - r.Height / dockingDiv, r.Width, r.Height / dockingDiv);
break;
case Alignment.Left:
gr.Rectangle (r.Left, r.Top, r.Width / dockingDiv, r.Height);
break;
case Alignment.Right:
gr.Rectangle (r.Right - r.Width / dockingDiv, r.Top, r.Width / dockingDiv, r.Height);
break;
}
gr.LineWidth = 1;
gr.SetSourceRGBA (0.4, 0.4, 0.9, 0.4);
gr.FillPreserve ();
gr.SetSourceRGBA (0.9, 0.9, 1.0, 0.8);
gr.Stroke ();
}
if (CurrentInterface.DragAndDropOperation != null)
CurrentInterface.DragAndDropOperation.DragSource.Paint (ref gr);
gr.Restore ();
}
public void Dock(DockWindow dw){
if (dockingDirection == Alignment.Center)
return;
lock (CurrentInterface.UpdateMutex) {
Splitter splitter = instSplit.CreateInstance<Splitter> (CurrentInterface);
dw.Resizable = false;
dw.Left = dw.Top = 0;
this.RemoveChild (dw);
Rectangle r;
if (mainStack == null) {
mainStack = instStack.CreateInstance<GenericStack> (CurrentInterface);
this.AddChild (mainStack);
this.putWidgetOnBottom (mainStack);
r = ClientRectangle;
} else
r = mainStack.ClientRectangle;
int vTreshold = r.Height / dockingDiv;
int hTreshold = r.Width / dockingDiv;
switch (dockingDirection) {
case Alignment.Top:
dw.Width = Measure.Stretched;
mainStack.Orientation = Orientation.Vertical;
mainStack.AddChild (dw);
mainStack.AddChild (splitter);
//mainStack.AddChild (instSpacer.CreateInstance (CurrentInterface));
break;
case Alignment.Bottom:
dw.Width = Measure.Stretched;
mainStack.Orientation = Orientation.Vertical;
//mainStack.AddChild (instSpacer.CreateInstance (CurrentInterface));
mainStack.AddChild (splitter);
mainStack.AddChild (dw);
break;
case Alignment.Left:
dw.Height = Measure.Stretched;
mainStack.Orientation = Orientation.Horizontal;
mainStack.AddChild (dw);
mainStack.AddChild (splitter);
//mainStack.AddChild (instSpacer.CreateInstance (CurrentInterface));
break;
case Alignment.Right:
dw.Height = Measure.Stretched;
mainStack.Orientation = Orientation.Horizontal;
//mainStack.AddChild (instSpacer.CreateInstance (CurrentInterface));
mainStack.AddChild (splitter);
mainStack.AddChild (dw);
break;
}
}
}
protected override void onDrop (object sender, DragDropEventArgs e)
{
base.onDrop (sender, e);
}
}
}
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