File: INotifyPropertyChangedImplementation.cs

package info (click to toggle)
mono 4.6.2.7+dfsg-1
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 778,148 kB
  • ctags: 914,052
  • sloc: cs: 5,779,509; xml: 2,773,713; ansic: 432,645; sh: 14,749; makefile: 12,361; perl: 2,488; python: 1,434; cpp: 849; asm: 531; sql: 95; sed: 16; php: 1
file content (85 lines) | stat: -rw-r--r-- 4,203 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
#region MIT license
// 
// MIT license
//
// Copyright (c) 2007-2008 Jiri Moudry, Pascal Craponne
// 
// 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.
// 
#endregion
using System.ComponentModel;
using DbLinq.Schema;

namespace DbMetal.Generator.EntityInterface.Implementation
{
#if !MONO_STRICT
    public
#endif
    class INotifyPropertyChangedImplementation : InterfaceImplementation
    {
        public override string InterfaceName
        {
            get { return typeof(INotifyPropertyChanged).Name; }
        }

        private const string sendPropertyChangedMethod = "SendPropertyChanged";

        /// <summary>
        /// Registers the required namespace
        /// </summary>
        /// <param name="writer"></param>
        /// <param name="context"></param>
        public override void WriteHeader(CodeWriter writer, GenerationContext context)
        {
            writer.WriteUsingNamespace(typeof(INotifyPropertyChanged).Namespace);
        }

        public override void WriteClassHeader(CodeWriter writer, DbLinq.Schema.Dbml.Table table, GenerationContext context)
        {
            using (writer.WriteRegion(string.Format("{0} handling", typeof(INotifyPropertyChanged).Name)))
            {
                const string eventName = "PropertyChanged"; // do not change, part of INotifyPropertyChanged
                const string propertyNameName = "propertyName";

                // event
                writer.WriteEvent(SpecificationDefinition.Public, eventName, typeof(PropertyChangedEventHandler).Name);
                writer.WriteLine();
                // method
                using (writer.WriteMethod(SpecificationDefinition.Protected | SpecificationDefinition.Virtual,
                                          sendPropertyChangedMethod, null, new ParameterDefinition { Name = propertyNameName, Type = typeof(string) }))
                {
                    using (writer.WriteIf(writer.GetDifferentExpression(eventName, writer.GetNullExpression())))
                    {
                        writer.WriteLine(writer.GetStatement(writer.GetMethodCallExpression(eventName,
                                                                                            writer.GetThisExpression(),
                                                                                            writer.GetNewExpression(writer.GetMethodCallExpression(typeof(PropertyChangedEventArgs).Name,
                                                                                                                                                   propertyNameName)))));
                    }
                }
            }
        }

        public override void WritePropertyAfterSet(CodeWriter writer, DbLinq.Schema.Dbml.Column property, GenerationContext context)
        {
            writer.WriteLine(writer.GetStatement(writer.GetMethodCallExpression(sendPropertyChangedMethod,
                                                                                writer.GetLiteralValue(property.Member))));
            writer.WriteLine(writer.GetStatement(writer.GetMethodCallExpression("On" + property.Member + "Changed")));
        }
    }
}