refactoring: added IField

git-svn-id: http://svn.code.sf.net/p/greenshot/code/trunk@703 7dccd23d-a4a3-4e1f-8c07-b4c1b4018ab4

GreenshotCore/Drawing/Fields/FieldType.cs

@@ -0,0 +1,57 @@
+/*
+ * 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.Drawing;
+
+namespace Greenshot.Drawing.Fields {
+	/// <summary>
+	/// Defines all FieldTypes + their default value.
+	/// (The additional value is why this is not an enum)
+	/// </summary>
+	[Serializable]
+	public enum FieldType {
+		ARROWHEADS, 
+		BLUR_RADIUS, 
+		BRIGHTNESS, 
+		FILL_COLOR,
+		FONT_BOLD,
+		FONT_FAMILY,
+		FONT_ITALIC,
+		FONT_SIZE,
+		HIGHLIGHT_COLOR,
+		LINE_COLOR,
+		LINE_THICKNESS,
+		MAGNIFICATION_FACTOR,
+		PIXEL_SIZE,
+		PREVIEW_QUALITY,
+		SHADOW,
+		PREPARED_FILTER_OBFUSCATE,
+		PREPARED_FILTER_HIGHLIGHT,
+		FLAGS
+	}
+	
+	[Flags]
+	public enum FieldFlag {
+		NONE = 0,
+		CONFIRMABLE = 1
+	}
+	
+}

GreenshotCore/Drawing/Fields/IField.cs

@@ -0,0 +1,48 @@
+/*
+ * 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.ComponentModel;
+
+namespace Greenshot.Drawing.Fields {
+
+	public interface IField : INotifyPropertyChanged
+	{
+		object Value { get; set; }
+		FieldType FieldType { get; set; }
+		string Scope { get; set; }
+		bool HasValue { get; }
+	}
+	
+	/// <summary>
+	/// EventHandler to be used when a field value changes
+	/// </summary>
+	public delegate void FieldChangedEventHandler(object sender, FieldChangedEventArgs e);
+	
+	/// <summary>
+	/// EventArgs to be used with FieldChangedEventHandler
+	/// </summary>
+	public class FieldChangedEventArgs : EventArgs {
+		public readonly IField Field;
+		public FieldChangedEventArgs(IField field) {
+			this.Field = field;
+		}
+	}
+}

GreenshotCore/Drawing/Fields/IFieldHolder.cs

@@ -0,0 +1,53 @@
+/*
+ * 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;
+
+namespace Greenshot.Drawing.Fields {
+	/// <summary>
+	/// Any element holding Fields must provide access to it.
+	/// AbstractFieldHolder is the basic implementation.
+	/// If you need the fieldHolder to have child fieldHolders,
+	/// you should consider using IFieldHolderWithChildren.
+	/// </summary>
+	public interface IFieldHolder {
+		
+		event FieldChangedEventHandler FieldChanged;
+		
+		void AddField(IField field);
+		void RemoveField(IField field);
+		List<IField> GetFields();
+		IField GetField(FieldType fieldType);
+		bool HasField(FieldType fieldType);
+		void SetFieldValue(FieldType fieldType, object value);
+	}
+	
+	/// <summary>
+	/// Extended fieldHolder which has fieldHolder children.
+	/// Implementations should pass field values to and from 
+	/// their children.
+	/// AbstractFieldHolderWithChildren is the basic implementation.
+	/// </summary>
+	public interface IFieldHolderWithChildren : IFieldHolder {
+		void AddChild(IFieldHolder fieldHolder);
+		void RemoveChild(IFieldHolder fieldHolder);
+	}
+}

GreenshotCore/GreenshotCore.csproj

@@ -44,8 +44,13 @@
     <Reference Include="System.Xml" />
   </ItemGroup>
   <ItemGroup>
+    <Folder Include="Drawing" />
+    <Folder Include="Drawing\Fields" />
     <Folder Include="Lib" />
     <Folder Include="UnmanagedHelpers" />
+    <Compile Include="Drawing\Fields\FieldType.cs" />
+    <Compile Include="Drawing\Fields\IField.cs" />
+    <Compile Include="Drawing\Fields\IFieldHolder.cs" />
     <Compile Include="UnmanagedHelpers\GDI32.cs" />
     <Compile Include="UnmanagedHelpers\User32.cs" />
     <Compile Include="UnmanagedHelpers\Win32Errors.cs" />