/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2014 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 1 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
using Greenshot.Configuration;
using Greenshot.Drawing.Fields;
using Greenshot.Memento;
using Greenshot.Plugin;
using Greenshot.Plugin.Drawing;
using GreenshotPlugin.Core;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Threading;
using System.Windows.Forms;
namespace Greenshot.Drawing
{
///
/// Dispatches most of a DrawableContainer's public properties and methods to a list of DrawableContainers.
///
[Serializable]
public class DrawableContainerList : List
{
private static readonly ComponentResourceManager editorFormResources = new ComponentResourceManager(typeof(ImageEditorForm));
public Guid ParentID
{
get;
private set;
}
public DrawableContainerList()
{
}
public DrawableContainerList(Guid parentID)
{
ParentID = parentID;
}
public EditStatus Status
{
get
{
return this[Count - 1].Status;
}
set
{
foreach (var dc in this)
{
dc.Status = value;
}
}
}
public List AsIDrawableContainerList()
{
List interfaceList = new List();
foreach (IDrawableContainer container in this)
{
interfaceList.Add(container);
}
return interfaceList;
}
///
/// Gets or sets the selection status of the elements.
/// If several elements are in the list, true is only returned when all elements are selected.
///
public bool Selected
{
get
{
bool ret = true;
foreach (var dc in this)
{
ret &= dc.Selected;
}
return ret;
}
set
{
foreach (var dc in this)
{
dc.Selected = value;
}
}
}
///
/// Gets or sets the parent control of the elements in the list.
/// If there are several elements, the parent control of the last added is returned.
///
public ISurface Parent
{
get
{
if (Count > 0)
{
return this[Count - 1].Parent;
}
return null;
}
set
{
ParentID = value.ID;
foreach (var drawableContainer in this)
{
var dc = (DrawableContainer)drawableContainer;
dc.Parent = value;
}
}
}
///
/// Make a following bounds change on this containerlist undoable!
///
/// true means allow the moves to be merged
public void MakeBoundsChangeUndoable(bool allowMerge)
{
List movingList = new List();
Surface surface = null;
foreach (DrawableContainer dc in this)
{
movingList.Add(dc);
surface = dc._parent;
}
if (movingList.Count > 0 && surface != null)
{
surface.MakeUndoable(new DrawableContainerBoundsChangeMemento(movingList), allowMerge);
}
}
///
/// Apply matrix to all elements
///
public void Transform(Matrix matrix)
{
// Track modifications
bool modified = false;
Invalidate();
foreach (var dc in this)
{
dc.Transform(matrix);
modified = true;
}
// Invalidate after
Invalidate();
// If we moved something, tell the surface it's modified!
if (modified)
{
Parent.Modified = true;
}
}
///
/// Moves all elements in the list by the given amount of pixels.
///
/// pixels to move horizontally
/// pixels to move vertically
public void MoveBy(int dx, int dy)
{
// Track modifications
bool modified = false;
// Invalidate before moving, otherwise the old locations aren't refreshed
Invalidate();
foreach (var dc in this)
{
dc.Left += dx;
dc.Top += dy;
modified = true;
}
// Invalidate after
Invalidate();
// If we moved something, tell the surface it's modified!
if (modified)
{
Parent.Modified = true;
}
}
///
/// Hides the grippers of all elements in the list.
///
public void HideGrippers()
{
foreach (var dc in this)
{
dc.HideGrippers();
dc.Invalidate();
}
}
///
/// Shows the grippers of all elements in the list.
///
public void ShowGrippers()
{
foreach (var dc in this)
{
dc.ShowGrippers();
dc.Invalidate();
}
}
///
/// Indicates whether on of the elements is clickable at the given location
///
/// x coordinate to be checked
/// y coordinate to be checked
/// true if one of the elements in the list is clickable at the given location, false otherwise
public bool ClickableAt(int x, int y)
{
bool ret = false;
foreach (var dc in this)
{
ret |= dc.ClickableAt(x, y);
}
return ret;
}
///
/// retrieves the topmost element being clickable at the given location
///
/// x coordinate to be checked
/// y coordinate to be checked
/// the topmost element from the list being clickable at the given location, null if there is no clickable element
public IDrawableContainer ClickableElementAt(int x, int y)
{
for (int i = Count - 1; i >= 0; i--)
{
if (this[i].ClickableAt(x, y))
{
return this[i];
}
}
return null;
}
///
/// Dispatches OnDoubleClick to all elements in the list.
///
public void OnDoubleClick()
{
foreach (var drawableContainer in this)
{
var dc = (DrawableContainer)drawableContainer;
dc.OnDoubleClick();
}
}
///
/// Check if there are any intersecting filters, if so we need to redraw more
///
///
/// true if an filter intersects
public bool HasIntersectingFilters(Rectangle clipRectangle)
{
foreach (var dc in this)
{
if (dc.DrawingBounds.IntersectsWith(clipRectangle) && dc.hasFilters && dc.Status == EditStatus.IDLE)
{
return true;
}
}
return false;
}
///
/// Check if any of the drawableContainers are inside the rectangle
///
///
///
public bool IntersectsWith(Rectangle clipRectangle)
{
foreach (var dc in this)
{
if (dc.DrawingBounds.IntersectsWith(clipRectangle))
{
return true;
}
}
return false;
}
///
/// Triggers all elements in the list ot be redrawn.
///
/// the to the bitmap related Graphics object
/// Bitmap to draw
/// the rendermode in which the element is to be drawn
///
public void Draw(Graphics g, Bitmap bitmap, RenderMode renderMode, Rectangle clipRectangle)
{
foreach (var drawableContainer in this)
{
var dc = (DrawableContainer)drawableContainer;
if (dc.DrawingBounds.IntersectsWith(clipRectangle))
{
dc.DrawContent(g, bitmap, renderMode, clipRectangle);
}
}
}
///
/// Pass the field changed event to all elements in the list
///
///
///
public void HandleFieldChangedEvent(object sender, FieldChangedEventArgs e)
{
foreach (var drawableContainer in this)
{
var dc = (DrawableContainer)drawableContainer;
dc.HandleFieldChanged(sender, e);
}
}
///
/// Invalidate the bounds of all the DC's in this list
///
public void Invalidate()
{
foreach (var dc in this)
{
dc.Invalidate();
}
}
///
/// Indicates whether the given list of elements can be pulled up,
/// i.e. whether there is at least one unselected element higher in hierarchy
///
/// list of elements to pull up
/// true if the elements could be pulled up
public bool CanPullUp(DrawableContainerList elements)
{
if (elements.Count == 0 || elements.Count == Count)
{
return false;
}
foreach (var element in elements)
{
if (IndexOf(element) < Count - elements.Count)
{
return true;
}
}
return false;
}
///
/// Pulls one or several elements up one level in hierarchy (z-index).
///
/// list of elements to pull up
public void PullElementsUp(DrawableContainerList elements)
{
for (int i = Count - 1; i >= 0; i--)
{
var dc = this[i];
if (!elements.Contains(dc))
{
continue;
}
if (Count > (i + 1) && !elements.Contains(this[i + 1]))
{
SwapElements(i, i + 1);
}
}
}
///
/// Pulls one or several elements up to the topmost level(s) in hierarchy (z-index).
///
/// of elements to pull to top
public void PullElementsToTop(DrawableContainerList elements)
{
var dcs = ToArray();
for (int i = 0; i < dcs.Length; i++)
{
var dc = dcs[i];
if (!elements.Contains(dc))
{
continue;
}
Remove(dc);
Add(dc);
Parent.Modified = true;
}
}
///
/// Indicates whether the given list of elements can be pushed down,
/// i.e. whether there is at least one unselected element lower in hierarchy
///
/// list of elements to push down
/// true if the elements could be pushed down
public bool CanPushDown(DrawableContainerList elements)
{
if (elements.Count == 0 || elements.Count == Count)
{
return false;
}
foreach (var element in elements)
{
if (IndexOf(element) >= elements.Count)
{
return true;
}
}
return false;
}
///
/// Pushes one or several elements down one level in hierarchy (z-index).
///
/// list of elements to push down
public void PushElementsDown(DrawableContainerList elements)
{
for (int i = 0; i < Count; i++)
{
var dc = this[i];
if (!elements.Contains(dc))
{
continue;
}
if ((i > 0) && !elements.Contains(this[i - 1]))
{
SwapElements(i, i - 1);
}
}
}
///
/// Pushes one or several elements down to the bottommost level(s) in hierarchy (z-index).
///
/// of elements to push to bottom
public void PushElementsToBottom(DrawableContainerList elements)
{
var dcs = ToArray();
for (int i = dcs.Length - 1; i >= 0; i--)
{
var dc = dcs[i];
if (!elements.Contains(dc))
{
continue;
}
Remove(dc);
Insert(0, dc);
Parent.Modified = true;
}
}
///
/// swaps two elements in hierarchy (z-index),
/// checks both indices to be in range
///
/// index of the 1st element
/// index of the 2nd element
private void SwapElements(int index1, int index2)
{
if (index1 < 0 || index1 >= Count || index2 < 0 || index2 >= Count || index1 == index2)
{
return;
}
var dc = this[index1];
this[index1] = this[index2];
this[index2] = dc;
Parent.Modified = true;
}
///
/// Add items to a context menu for the selected item
///
///
///
public virtual void AddContextMenuItems(ContextMenuStrip menu, Surface surface)
{
bool push = surface.Elements.CanPushDown(this);
bool pull = surface.Elements.CanPullUp(this);
ToolStripMenuItem item;
// Pull "up"
if (pull)
{
item = new ToolStripMenuItem("Up to top");
item.Click += delegate
{
surface.Elements.PullElementsToTop(this);
surface.Elements.Invalidate();
};
menu.Items.Add(item);
item = new ToolStripMenuItem("Up one level");
item.Click += delegate
{
surface.Elements.PullElementsUp(this);
surface.Elements.Invalidate();
};
menu.Items.Add(item);
}
// Push "down"
if (push)
{
item = new ToolStripMenuItem("Down to bottom");
item.Click += delegate
{
surface.Elements.PushElementsToBottom(this);
surface.Elements.Invalidate();
};
menu.Items.Add(item);
item = new ToolStripMenuItem("Down one level");
item.Click += delegate
{
surface.Elements.PushElementsDown(this);
surface.Elements.Invalidate();
};
menu.Items.Add(item);
}
// Duplicate
item = new ToolStripMenuItem("Duplicate selected element");
item.Click += delegate
{
DrawableContainerList dcs = this.Clone();
dcs.Parent = surface;
dcs.MoveBy(10, 10);
surface.AddElements(dcs);
surface.DeselectAllElements();
surface.SelectElements(dcs);
};
menu.Items.Add(item);
// Copy
item = new ToolStripMenuItem("Copy");
item.Image = ((Image)(editorFormResources.GetObject("copyToolStripMenuItem.Image")));
item.Click += delegate
{
ClipboardHelper.SetClipboardData(typeof(DrawableContainerList), this);
};
menu.Items.Add(item);
// Cut
item = new ToolStripMenuItem("Cut");
item.Image = ((Image)(editorFormResources.GetObject("btnCut.Image")));
item.Click += delegate
{
ClipboardHelper.SetClipboardData(typeof(DrawableContainerList), this);
List containersToDelete = new List();
foreach (var drawableContainer in this)
{
var container = (DrawableContainer)drawableContainer;
containersToDelete.Add(container);
}
foreach (var container in containersToDelete)
{
surface.RemoveElement(container, true);
}
};
menu.Items.Add(item);
// Delete
item = new ToolStripMenuItem("Delete");
item.Image = ((Image)(editorFormResources.GetObject("removeObjectToolStripMenuItem.Image")));
item.Click += delegate
{
List containersToDelete = new List();
foreach (var drawableContainer in this)
{
var container = (DrawableContainer)drawableContainer;
containersToDelete.Add(container);
}
foreach (DrawableContainer container in containersToDelete)
{
surface.RemoveElement(container, true);
}
};
menu.Items.Add(item);
// Reset
bool canReset = false;
foreach (var drawableContainer in this)
{
var container = (DrawableContainer)drawableContainer;
if (container.HasDefaultSize)
{
canReset = true;
}
}
if (canReset)
{
item = new ToolStripMenuItem("Reset size");
//item.Image = ((System.Drawing.Image)(editorFormResources.GetObject("removeObjectToolStripMenuItem.Image")));
item.Click += delegate
{
foreach (var drawableContainer in this)
{
var container = (DrawableContainer)drawableContainer;
if (!container.HasDefaultSize)
{
continue;
}
Size defaultSize = container.DefaultSize;
container.Invalidate();
container.MakeBoundsChangeUndoable(false);
container.Width = defaultSize.Width;
container.Height = defaultSize.Height;
container.Invalidate();
}
};
menu.Items.Add(item);
}
}
public virtual void ShowContextMenu(MouseEventArgs e, Surface surface)
{
bool hasMenu = false;
foreach (var drawableContainer in this)
{
var container = (DrawableContainer)drawableContainer;
if (!container.HasContextMenu)
{
continue;
}
hasMenu = true;
break;
}
if (hasMenu)
{
ContextMenuStrip menu = new ContextMenuStrip();
AddContextMenuItems(menu, surface);
if (menu.Items.Count > 0)
{
menu.Show(surface, e.Location);
while (true)
{
if (menu.Visible)
{
Application.DoEvents();
Thread.Sleep(100);
}
else
{
menu.Dispose();
break;
}
}
}
}
}
}
}