greenshot/Greenshot/Drawing/Surface.cs
2010-07-25 18:20:18 +00:00

852 lines
28 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2010 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 <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary;
using System.Windows.Forms;
using Greenshot.Capturing;
using Greenshot.Configuration;
using Greenshot.Drawing.Fields;
using Greenshot.Drawing.Filters;
using Greenshot.Helpers;
using Greenshot.Plugin;
namespace Greenshot.Drawing {
public delegate void SurfaceElementEventHandler(object source, DrawableContainerList element);
public delegate void SurfaceDrawingModeEventHandler(object source, DrawingModes drawingMode);
public enum DrawingModes { None, Rect, Ellipse, Text, Line, Arrow, Crop, Highlight, Obfuscate, Bitmap }
/// <summary>
/// Description of Surface.
/// </summary>
public class Surface : PictureBox, ISurface {
private static log4net.ILog LOG = log4net.LogManager.GetLogger(typeof(Surface));
public event SurfaceElementEventHandler MovingElementChanged;
public event SurfaceDrawingModeEventHandler DrawingModeChanged;
public FieldAggregator FieldAggregator = new FieldAggregator();
private AppConfig conf = AppConfig.GetInstance();
private ICaptureDetails captureDetails = null;
private int mX;
private int mY;
private bool mouseDown = false;
private bool draggingInProgress = false;
private DrawableContainer mouseDownElement = null;
private Image originalImage;
private DrawableContainerList elements = new DrawableContainerList();
private DrawableContainerList selectedElements = new DrawableContainerList();
private DrawableContainer drawingElement = null;
private DrawableContainer undrawnElement = null;
private DrawableContainer cropContainer = null;
public bool KeysLocked = false;
private DrawingModes drawingMode = DrawingModes.None;
public DrawingModes DrawingMode {
get {return drawingMode;}
set {
drawingMode = value;
DrawingModeChanged.Invoke(this, drawingMode);
DeselectAllElements();
CreateUndrawnElement();
}
}
public Image OriginalImage {
get { return originalImage; }
}
public ICaptureDetails CaptureDetails {
get {return captureDetails;}
set {captureDetails = value;}
}
public Surface() {
LOG.Debug("Creating a surface!");
SizeMode = PictureBoxSizeMode.AutoSize;
this.MouseDown += new MouseEventHandler(SurfaceMouseDown);
this.MouseUp += new MouseEventHandler(SurfaceMouseUp);
this.MouseMove += new MouseEventHandler(SurfaceMouseMove);
this.MouseDoubleClick += new MouseEventHandler(SurfaceDoubleClick);
this.Paint += new PaintEventHandler(SurfacePaint);
this.AllowDrop = true;
this.DragDrop += new DragEventHandler(OnDragDrop);
this.DragEnter += new DragEventHandler(OnDragEnter);
}
private void SetImage(Image image) {
if (originalImage != null) {
originalImage.Dispose();
}
if (Image != null) {
Image.Dispose();
}
originalImage = new Bitmap(image);
Image = new Bitmap(image);
}
public Surface(Image image) : this() {
LOG.Debug("Got image with dimensions " + image.Width + "," + image.Height + " bpp: " + image.PixelFormat);
SetImage(image);
}
public Surface(ICapture capture) : this(capture.Image) {
if (capture.Cursor != null && capture.CursorVisible) {
SelectElement(AddIconContainer(capture.Cursor, capture.CursorLocation.X, capture.CursorLocation.Y));
}
captureDetails = capture.CaptureDetails;
}
public void SaveElementsToStream(Stream streamWrite) {
try {
BinaryFormatter binaryWrite = new BinaryFormatter();
binaryWrite.Serialize(streamWrite, elements);
} catch (Exception e) {
LOG.Error("Error serializing elements to stream.", e);
}
}
public void LoadElementsFromStream(Stream streamRead) {
try {
BinaryFormatter binaryRead = new BinaryFormatter();
DrawableContainerList loadedElements = (DrawableContainerList) binaryRead.Deserialize(streamRead);
if (loadedElements != null) {
loadedElements.Parent = this;
DeselectAllElements();
AddElements(loadedElements);
SelectElements(loadedElements);
FieldAggregator.BindElements(loadedElements);
}
} catch (Exception e) {
LOG.Error("Error serializing elements from stream.", e);
}
}
private void CreateUndrawnElement() {
if(undrawnElement != null) {
FieldAggregator.UnbindElement(undrawnElement);
}
switch (DrawingMode) {
case DrawingModes.Rect:
undrawnElement = new RectangleContainer(this);
break;
case DrawingModes.Ellipse:
undrawnElement = new EllipseContainer(this);
break;
case DrawingModes.Text:
undrawnElement = new TextContainer(this);
break;
case DrawingModes.Line:
undrawnElement = new LineContainer(this);
break;
case DrawingModes.Arrow:
undrawnElement = new ArrowContainer(this);
break;
case DrawingModes.Highlight:
undrawnElement = new HighlightContainer(this);
break;
case DrawingModes.Obfuscate:
undrawnElement = new ObfuscateContainer(this);
break;
case DrawingModes.Crop:
cropContainer = new CropContainer(this);
undrawnElement = cropContainer;
break;
case DrawingModes.Bitmap:
undrawnElement = new BitmapContainer(this);
break;
case DrawingModes.None:
undrawnElement = null;
break;
}
if (undrawnElement != null) {
FieldAggregator.BindElement(undrawnElement);
}
}
#region Plugin interface implementations
public IBitmapContainer AddBitmapContainer(Bitmap bitmap, int x, int y) {
BitmapContainer bitmapContainer = new BitmapContainer(this);
bitmapContainer.Bitmap = bitmap;
bitmapContainer.Left = x;
bitmapContainer.Top = y;
AddElement(bitmapContainer);
return bitmapContainer;
}
private HtmlContainer AddHtmlContainer(string html, int x, int y) {
HtmlContainer htmlContainer = new HtmlContainer(this);
htmlContainer.Left = x;
htmlContainer.Top = y;
htmlContainer.Html = html;
AddElement(htmlContainer);
return htmlContainer;
}
private UrlContainer AddUrlContainer(string url, int x, int y) {
UrlContainer urlContainer = new UrlContainer(this);
urlContainer.Left = x;
urlContainer.Top = y;
urlContainer.Url = url;
AddElement(urlContainer);
return urlContainer;
}
public IBitmapContainer AddBitmapContainer(string filename, int x, int y) {
BitmapContainer bitmapContainer = new BitmapContainer(this);
bitmapContainer.Load(filename);
bitmapContainer.Left = x;
bitmapContainer.Top = y;
AddElement(bitmapContainer);
return bitmapContainer;
}
public IIconContainer AddIconContainer(Icon icon, int x, int y) {
IconContainer iconContainer = new IconContainer(this);
iconContainer.Icon = icon;
iconContainer.Left = x;
iconContainer.Top = y;
AddElement(iconContainer);
return iconContainer;
}
public IIconContainer AddIconContainer(string filename, int x, int y) {
IconContainer iconContainer = new IconContainer(this);
iconContainer.Load(filename);
iconContainer.Left = x;
iconContainer.Top = y;
AddElement(iconContainer);
return iconContainer;
}
public ICursorContainer AddCursorContainer(Cursor cursor, int x, int y) {
CursorContainer cursorContainer = new CursorContainer(this);
cursorContainer.Cursor = cursor;
cursorContainer.Left = x;
cursorContainer.Top = y;
AddElement(cursorContainer);
return cursorContainer;
}
public ICursorContainer AddCursorContainer(string filename, int x, int y) {
CursorContainer cursorContainer = new CursorContainer(this);
cursorContainer.Load(filename);
cursorContainer.Left = x;
cursorContainer.Top = y;
AddElement(cursorContainer);
return cursorContainer;
}
public IMetafileContainer AddMetafileContainer(string filename, int x, int y) {
MetafileContainer metafileContainer = new MetafileContainer(this);
metafileContainer.Load(filename);
metafileContainer.Left = x;
metafileContainer.Top = y;
AddElement(metafileContainer);
return metafileContainer;
}
public IMetafileContainer AddMetafileContainer(Metafile metafile, int x, int y) {
MetafileContainer metafileContainer = new MetafileContainer(this);
metafileContainer.Metafile = metafile;
metafileContainer.Left = x;
metafileContainer.Top = y;
AddElement(metafileContainer);
return metafileContainer;
}
public ITextContainer AddTextContainer(string text, HorizontalAlignment horizontalAlignment, VerticalAlignment verticalAlignment, FontFamily family, float size, bool italic, bool bold, bool shadow, int borderSize, Color color, Color fillColor) {
TextContainer textContainer = new TextContainer(this);
textContainer.Text = text;
textContainer.SetFieldValue(FieldType.FONT_FAMILY, family.Name);
textContainer.SetFieldValue(FieldType.FONT_BOLD, bold);
textContainer.SetFieldValue(FieldType.FONT_ITALIC, italic);
textContainer.SetFieldValue(FieldType.FONT_SIZE, size);
textContainer.SetFieldValue(FieldType.FILL_COLOR, fillColor);
textContainer.SetFieldValue(FieldType.LINE_COLOR, color);
textContainer.SetFieldValue(FieldType.LINE_THICKNESS, borderSize);
textContainer.SetFieldValue(FieldType.SHADOW, shadow);
// Make sure the Text fits
textContainer.FitToText();
// Align to Surface
textContainer.AlignToParent(horizontalAlignment, verticalAlignment);
//AggregatedProperties.UpdateElement(textContainer);
AddElement(textContainer);
return textContainer;
}
#endregion
#region DragDrop
private List<string> GetFilenames(DragEventArgs e) {
List<string> filenames = new List<string>();
string[] dropFileNames = (string[])e.Data.GetData(DataFormats.FileDrop);
if (dropFileNames != null && dropFileNames.Length > 0) {
foreach(string filename in dropFileNames) {
LOG.Debug("Found filename: " + filename);
string ext=Path.GetExtension(filename).ToLower();
if ((ext==".jpg") || (ext==".gif") || (ext==".png") || (ext==".bmp")) {
filenames.Add(filename);
}
}
}
return filenames;
}
private void OnDragEnter(object sender, DragEventArgs e) {
if(LOG.IsDebugEnabled) {
LOG.Debug("DragEnter got following formats: ");
foreach(string format in e.Data.GetFormats()) {
LOG.Debug(format);
}
}
if (draggingInProgress || (e.AllowedEffect & DragDropEffects.Copy) != DragDropEffects.Copy) {
e.Effect=DragDropEffects.None;
} else {
List<string> filenames = GetFilenames(e);
if ( (filenames != null && filenames.Count > 0)
|| e.Data.GetDataPresent(DataFormats.Bitmap, true)
//|| e.Data.GetDataPresent(DataFormats.EnhancedMetafile, true)
) {
e.Effect=DragDropEffects.Copy;
} else {
e.Effect=DragDropEffects.None;
}
}
}
private void OnDragDrop(object sender, DragEventArgs e) {
List<string> filenames = GetFilenames(e);
Point mouse = this.PointToClient(new Point(e.X, e.Y));
if ((filenames != null && filenames.Count > 0)) {
foreach(string filename in filenames) {
LOG.Debug("Drop - filename: " + filename);
AddBitmapContainer(filename, mouse.X, mouse.Y);
mouse.Offset(10, 10);
}
} else if (e.Data.GetDataPresent(DataFormats.Bitmap)) {
AddBitmapContainer((Bitmap)e.Data.GetData(DataFormats.Bitmap, true), mouse.X, mouse.Y);
// } else if (e.Data.GetDataPresent(DataFormats.EnhancedMetafile)) {
// AddBitmapContainer((Image)e.Data.GetData(DataFormats.EnhancedMetafile, true), mouse.X, mouse.Y);
}
}
// private void QueryContinueDragDrop(object sender, QueryContinueDragEventArgs e) {
// LOG.Debug("QueryContinueDrag: " + e.Action);
// if (e.EscapePressed) {
// e.Action = DragAction.Cancel;
// }
// }
//
// private void GiveFeedbackDragDrop(object sender, GiveFeedbackEventArgs e) {
// e.UseDefaultCursors = true;
// }
#endregion
void ApplyCrop() {
Rectangle r = cropContainer.Bounds;
r = Helpers.GuiRectangle.GetGuiRectangle(r.Left, r.Top, r.Width, r.Height);
if (r.Left < 0) r = new Rectangle(0, r.Top, r.Width + r.Left, r.Height);
if (r.Top < 0) r = new Rectangle(r.Left, 0, r.Width, r.Height + r.Top);
if (r.Left + r.Width > Width) r = new Rectangle(r.Left, r.Top, Width - r.Left, r.Height);
if (r.Top + r.Height > Height) r = new Rectangle(r.Left, r.Top, r.Width, Height - r.Top);
if (r.Height > 0 && r.Width > 0) {
// we should not forget to Dispose the images!!
using (Bitmap tmpImage = ((Bitmap)originalImage).Clone(r, originalImage.PixelFormat)) {
tmpImage.SetResolution(originalImage.HorizontalResolution, originalImage.VerticalResolution);
SetImage(tmpImage);
elements.MoveBy(-r.Left, -r.Top);
}
}
}
void SurfaceMouseDown(object sender, MouseEventArgs e) {
mX = e.X; mY = e.Y;
mouseDown = true;
if (cropContainer != null && ((undrawnElement == null) || (undrawnElement != null && DrawingMode != DrawingModes.Crop))) {
RemoveElement(cropContainer);
cropContainer = null;
drawingElement = null;
}
if(drawingElement == null && DrawingMode != DrawingModes.None) {
if (undrawnElement == null) {
DeselectAllElements();
if(undrawnElement == null) {
CreateUndrawnElement();
}
}
drawingElement = undrawnElement;
drawingElement.Status = EditStatus.DRAWING;
undrawnElement = null;
// if a new element has been drawn, set location and register it
if (drawingElement != null) {
drawingElement.PropertyChanged += ElementPropertyChanged;
drawingElement.Left = e.X;
drawingElement.Top = e.Y;
AddElement(drawingElement);
drawingElement.Selected = true;
}
} else {
// check whether an existing element was clicked
// we save mouse down element separately from selectedElements (checked on mouse up),
// since it could be moved around before it is actually selected
mouseDownElement = elements.ClickableElementAt(e.X, e.Y);
if(mouseDownElement != null) {
mouseDownElement.Status = EditStatus.MOVING;
}
}
}
void SurfaceMouseUp(object sender, MouseEventArgs e) {
elements.Status = EditStatus.IDLE;
if(mouseDownElement != null) {
mouseDownElement.Status = EditStatus.IDLE;
}
mouseDown = false;
mouseDownElement = null;
if(DrawingMode == DrawingModes.None) { // check whether an existing element was clicked
DrawableContainer element = elements.ClickableElementAt(e.X, e.Y);
bool shiftModifier = (Control.ModifierKeys & Keys.Shift) == Keys.Shift;
if(element != null) {
bool alreadySelected = selectedElements.Contains(element);
if(shiftModifier) {
if(alreadySelected) DeselectElement(element);
else SelectElement(element);
} else {
if(!alreadySelected) {
DeselectAllElements();
SelectElement(element);
}
}
} else if(!shiftModifier) {
DeselectAllElements();
}
}
if (selectedElements.Count > 0) {
selectedElements.ShowGrippers();
selectedElements.Selected = true;
}
if (drawingElement != null) {
if (!drawingElement.InitContent()) {
elements.Remove(drawingElement);
Invalidate();
} else {
if (Math.Abs(drawingElement.Width) < 5 && Math.Abs(drawingElement.Height) < 5) {
drawingElement.Width = 25;
drawingElement.Height = 25;
}
SelectElement(drawingElement);
drawingElement.Selected = true;
}
drawingElement = null;
}
Invalidate();
}
void SurfaceMouseMove(object sender, MouseEventArgs e) {
if (DrawingMode != DrawingModes.None) {
Cursor = Cursors.Cross;
} else {
Cursor = Cursors.Default;
}
if(mouseDown) {
if(mouseDownElement != null) { // an element is currently dragged
selectedElements.HideGrippers();
if(mouseDownElement.Selected) { // dragged element has been selected before -> move all
selectedElements.MoveBy(e.X - mX, e.Y - mY);
} else { // dragged element is not among selected elements -> just move dragged one
mouseDownElement.MoveBy(e.X - mX, e.Y - mY);
}
mX = e.X; mY = e.Y;
Invalidate();
} else if(drawingElement != null) { // an element is currently drawn
drawingElement.Width = e.X - drawingElement.Left;
drawingElement.Height = e.Y - drawingElement.Top;
Invalidate();
// } else {
// // Enable DragDrop
// using (Bitmap bitmapToDrag = GetImageForExport()) {
//
// IDataObject dataObj = new DataObject();
// string filename = Path.GetTempFileName() + ".png";
// try {
// bitmapToDrag.Save(filename, ImageFormat.Png);
// LOG.Debug("FileDrop : " + filename);
// dataObj.SetData("HTML Format", true, "<img src=\"" + filename + "\"/>");
// //dataObj.SetData(DataFormats.FileDrop, new string[] {filename});
// LOG.Debug("Starting DoDragDrop");
// draggingInProgress = true;
// DoDragDrop(dataObj, DragDropEffects.Copy);
// LOG.Debug("Finished DoDragDrop");
// draggingInProgress = false;
// mouseDown = false;
// } catch (Exception ex) {
// LOG.Error("Error in DragDrop: ", ex);
// } finally {
// File.Delete(filename);
// }
// }
}
}
}
void SurfaceDoubleClick(object sender, MouseEventArgs e) {
selectedElements.OnDoubleClick();
Invalidate();
}
private Image GetImage(RenderMode renderMode) {
Image clone = new Bitmap(Image);
// This actually generates a copy of the original image with a dpi equal to the default...
// otherwise we would have a problem drawing the image to the surface... :(
using (Graphics graphics = Graphics.FromImage(clone)) {
graphics.DrawImage(originalImage, Point.Empty);
elements.Draw(graphics, (Bitmap)clone, renderMode);
}
return clone;
}
public Image GetImageForExport() {
return GetImage(RenderMode.EXPORT);
}
void SurfacePaint(object sender, PaintEventArgs e) {
Graphics graphics = e.Graphics;
using (Image image = GetImage(RenderMode.EDIT)) {
graphics.DrawImage(image, Point.Empty);
}
// Should be something like this, but due to the filter structure this won't work
//graphics.DrawImage(originalImage, Point.Empty);
//elements.Draw(graphics, (Bitmap)Image, RenderMode.EDIT);
}
public void AddElement(DrawableContainer element) {
elements.Add(element);
element.FieldChanged += element_FieldChanged;
element.PropertyChanged += ElementPropertyChanged;
if(element.Status == EditStatus.UNDRAWN) element.Status = EditStatus.IDLE;
Invalidate();
}
public void RemoveElement(DrawableContainer element) {
DeselectElement(element);
elements.Remove(element);
element.FieldChanged -= element_FieldChanged;
element.PropertyChanged -= ElementPropertyChanged;
element.Dispose();
Invalidate();
}
public void AddElements(DrawableContainerList elementsToAdd) {
elements.AddRange(elementsToAdd);
foreach(DrawableContainer element in elementsToAdd) {
element.FieldChanged += element_FieldChanged;
element.PropertyChanged += ElementPropertyChanged;
if(element.Status == EditStatus.UNDRAWN) element.Status = EditStatus.IDLE;
}
Invalidate();
}
public bool HasSelectedElements() {
return (selectedElements != null && selectedElements.Count > 0);
}
public void RemoveSelectedElements() {
if (HasSelectedElements()) {
foreach (DrawableContainer element in selectedElements) {
elements.Remove(element);
element.FieldChanged -= element_FieldChanged;
element.PropertyChanged -= ElementPropertyChanged;
element.Dispose();
}
selectedElements.Clear();
MovingElementChanged(this, selectedElements);
Invalidate();
}
}
public void CutSelectedElements() {
if (HasSelectedElements()) {
ClipboardHelper.SetClipboardData(typeof(DrawableContainerList), selectedElements);
RemoveSelectedElements();
}
}
public void CopySelectedElements() {
if (HasSelectedElements()) {
ClipboardHelper.SetClipboardData(typeof(DrawableContainerList), selectedElements);
}
}
public void ConfirmSelectedConfirmableElements(bool confirm){
// create new collection so that we can iterate safely (selectedElements might change due with confirm/cancel)
List<DrawableContainer> selectedDCs = new List<DrawableContainer>(selectedElements);
foreach(DrawableContainer dc in selectedDCs){
if(dc.Equals(cropContainer)){
if(confirm) {
ApplyCrop();
}
DrawingMode = DrawingModes.None;
RemoveElement(cropContainer);
cropContainer.Dispose();
}
}
}
public void PasteElementFromClipboard() {
List<string> formats = ClipboardHelper.GetFormats();
if (formats == null || formats.Count == 0) {
return;
}
if (LOG.IsDebugEnabled) {
LOG.Debug("List of clipboard formats available for pasting:");
foreach(string format in formats) {
LOG.Debug("\tgot format: " + format);
}
}
if (formats.Contains(typeof(DrawableContainerList).FullName)) {
DrawableContainerList dcs = (DrawableContainerList)ClipboardHelper.GetClipboardData(typeof(DrawableContainerList));
if (dcs != null) {
dcs.Parent = this;
dcs.MoveBy(10,10);
AddElements(dcs);
FieldAggregator.BindElements(dcs);
DeselectAllElements();
SelectElements(dcs);
}
} else if (Clipboard.ContainsImage()) {
using (Image image = Clipboard.GetImage()) {
if (image != null) {
DeselectAllElements();
IBitmapContainer bitmapContainer = AddBitmapContainer(image as Bitmap, 0, 0);
SelectElement(bitmapContainer);
}
}
} else if ( ClipboardHelper.GetFormats().Contains("HTML Format")) {
HtmlFragment htmlFragment = HtmlFragment.FromClipboard();
DeselectAllElements();
HtmlContainer htmlContainer = AddHtmlContainer(htmlFragment.Fragment, 0, 0);
SelectElement(htmlContainer);
} else if (Clipboard.ContainsText()) {
string text = Clipboard.GetText();
if (text != null) {
if (text.StartsWith("http://")) {
DeselectAllElements();
UrlContainer urlContainer = AddUrlContainer(text, 0, 0);
SelectElement(urlContainer);
} else {
DeselectAllElements();
ITextContainer textContainer = AddTextContainer(text, HorizontalAlignment.Center, VerticalAlignment.CENTER,
FontFamily.GenericSansSerif, 12f, false, false, false, 2, Color.Black, Color.Transparent);
SelectElement(textContainer);
}
}
}
}
public void DuplicateSelectedElements() {
if(LOG.IsDebugEnabled) LOG.Debug("Duplicating "+selectedElements.Count+" selected elements");
DrawableContainerList dcs = (DrawableContainerList)Objects.DeepClone(selectedElements);
dcs.Parent = this;
dcs.MoveBy(10,10);
AddElements(dcs);
DeselectAllElements();
SelectElements(dcs);
}
public void DeselectElement(IDrawableContainer container) {
DrawableContainer element = container as DrawableContainer;
element.HideGrippers();
element.Selected = false;
selectedElements.Remove(element);
FieldAggregator.UnbindElement(element);
if (MovingElementChanged != null) {
MovingElementChanged(this, selectedElements);
}
}
public void DeselectAllElements() {
if (HasSelectedElements()) {
while(selectedElements.Count > 0) {
DrawableContainer element = selectedElements[0];
element.HideGrippers();
element.Selected = false;
selectedElements.Remove(element);
FieldAggregator.UnbindElement(element);
}
if (MovingElementChanged != null) {
MovingElementChanged(this, selectedElements);
}
}
}
public void SelectElement(IDrawableContainer container) {
DrawableContainer element = container as DrawableContainer;
if(!selectedElements.Contains(element)) {
selectedElements.Add(element);
element.ShowGrippers();
element.Selected = true;
FieldAggregator.BindElement(element);
if (MovingElementChanged != null) {
MovingElementChanged(this, selectedElements);
}
Invalidate();
}
}
public void SelectAllElements() {
SelectElements(elements);
}
public void SelectElements(DrawableContainerList elements) {
foreach(DrawableContainer element in elements) {
SelectElement(element);
}
}
public void ProcessCmdKey(Keys k) {
if (selectedElements.Count > 0) {
int px = (k == Keys.Shift) ? 10 : 1;
switch (k) {
case Keys.Left:
selectedElements.MoveBy(-1,0);
break;
case Keys.Left | Keys.Shift:
selectedElements.MoveBy(-10,0);
break;
case Keys.Up:
selectedElements.MoveBy(0,-1);
break;
case Keys.Up | Keys.Shift:
selectedElements.MoveBy(0,-10);
break;
case Keys.Right:
selectedElements.MoveBy(1,0);
break;
case Keys.Right | Keys.Shift:
selectedElements.MoveBy(10,0);
break;
case Keys.Down:
selectedElements.MoveBy(0,1);
break;
case Keys.Down | Keys.Shift:
selectedElements.MoveBy(0,10);
break;
case Keys.PageUp:
elements.PullElementsUp(selectedElements);
break;
case Keys.PageDown:
elements.PushElementsDown(selectedElements);
break;
case Keys.Home:
elements.PullElementsToTop(selectedElements);
break;
case Keys.End:
elements.PushElementsToBottom(selectedElements);
break;
case Keys.Enter:
ConfirmSelectedConfirmableElements(true);
break;
case Keys.Escape:
ConfirmSelectedConfirmableElements(false);
break;
/*case Keys.Delete:
RemoveSelectedElements();
break;*/
default:
return;
}
Invalidate();
}
}
/// <summary>
/// pulls selected elements up one level in hierarchy
/// </summary>
public void PullElementsUp() {
elements.PullElementsUp(selectedElements);
Invalidate();
}
/// <summary>
/// pushes selected elements up to top in hierarchy
/// </summary>
public void PullElementsToTop() {
elements.PullElementsToTop(selectedElements);
Invalidate();
}
/// <summary>
/// pushes selected elements down one level in hierarchy
/// </summary>
public void PushElementsDown() {
elements.PushElementsDown(selectedElements);
Invalidate();
}
/// <summary>
/// pushes selected elements down to bottom in hierarchy
/// </summary>
public void PushElementsToBottom() {
elements.PushElementsToBottom(selectedElements);
Invalidate();
}
/// <summary>
/// indicates whether the selected elements could be pulled up in hierarchy
/// </summary>
/// <returns>true if selected elements could be pulled up, false otherwise</returns>
public bool CanPullSelectionUp() {
return elements.CanPullUp(selectedElements);
}
/// <summary>
/// indicates whether the selected elements could be pushed down in hierarchy
/// </summary>
/// <returns>true if selected elements could be pushed down, false otherwise</returns>
public bool CanPushSelectionDown() {
return elements.CanPushDown(selectedElements);
}
public new void Dispose() {
LOG.Debug("Disposing a surface!");
originalImage.Dispose();
base.Dispose();
}
public void ElementPropertyChanged(object sender, PropertyChangedEventArgs e) {
Invalidate();
}
public void element_FieldChanged(object sender, FieldChangedEventArgs e) {
Invalidate();
}
}
}