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VBProjects.cs
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VBProjects.cs
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using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using Rubberduck.VBEditor.Events;
using Rubberduck.VBEditor.SafeComWrappers.Abstract;
using VB = Microsoft.Vbe.Interop;
// ReSharper disable once CheckNamespace - Special dispensation due to conflicting file vs namespace priorities
namespace Rubberduck.VBEditor.SafeComWrappers.VBA
{
public class VBProjects : SafeEventedComWrapper<VB.VBProjects, VB._dispVBProjectsEvents>, IVBProjects, VB._dispVBProjectsEvents
{
public VBProjects(VB.VBProjects target, bool rewrapping = false)
:base(target, rewrapping)
{
}
public int Count => IsWrappingNullReference ? 0 : Target.Count;
public IVBE VBE => new VBE(IsWrappingNullReference ? null : Target.VBE);
public IVBE Parent => new VBE(IsWrappingNullReference ? null : Target.Parent);
public IVBProject Add(ProjectType type)
{
return new VBProject(IsWrappingNullReference ? null : Target.Add((VB.vbext_ProjectType)type));
}
public void Remove(IVBProject project)
{
if (IsWrappingNullReference)
{
return;
}
Target.Remove((VB.VBProject)project.Target);
}
public IVBProject Open(string path)
{
return new VBProject(IsWrappingNullReference ? null : Target.Open(path));
}
// Not applicable to VBA
IVBProject IVBProjects.StartProject
{
get => new VBProject(null);
set { }
}
public IVBProject this[object index] => new VBProject(IsWrappingNullReference ? null : Target.Item(index));
IEnumerator<IVBProject> IEnumerable<IVBProject>.GetEnumerator()
{
return new ComWrapperEnumerator<IVBProject>(Target, comObject => new VBProject((VB.VBProject) comObject));
}
IEnumerator IEnumerable.GetEnumerator()
{
return IsWrappingNullReference
? (IEnumerator) new List<IEnumerable>().GetEnumerator()
: ((IEnumerable<IVBProject>) this).GetEnumerator();
}
public override bool Equals(ISafeComWrapper<VB.VBProjects> other)
{
return IsEqualIfNull(other) || (other != null && ReferenceEquals(other.Target, Target));
}
public bool Equals(IVBProjects other)
{
return Equals(other as SafeComWrapper<VB.VBProjects>);
}
public override int GetHashCode()
{
return IsWrappingNullReference ? 0
: HashCode.Compute(Target);
}
#region Events
public event EventHandler<ProjectEventArgs> ProjectAdded;
void VB._dispVBProjectsEvents.ItemAdded([MarshalAs(UnmanagedType.Interface), In] VB.VBProject VBProject)
{
OnDispatch(ProjectAdded, VBProject, true);
}
public event EventHandler<ProjectEventArgs> ProjectRemoved;
void VB._dispVBProjectsEvents.ItemRemoved([MarshalAs(UnmanagedType.Interface), In] VB.VBProject VBProject)
{
OnDispatch(ProjectRemoved, VBProject);
}
public event EventHandler<ProjectRenamedEventArgs> ProjectRenamed;
void VB._dispVBProjectsEvents.ItemRenamed([MarshalAs(UnmanagedType.Interface), In] VB.VBProject VBProject,
[MarshalAs(UnmanagedType.BStr), In] string OldName)
{
using (var project = new VBProject(VBProject))
{
if (!IsInDesignMode() || VBProject.Protection == VB.vbext_ProjectProtection.vbext_pp_locked)
{
return;
}
var projectId = project.ProjectId;
if (projectId == null)
{
return;
}
var handler = ProjectRenamed;
handler?.Invoke(this, new ProjectRenamedEventArgs(projectId, project.Name, OldName));
}
}
public event EventHandler<ProjectEventArgs> ProjectActivated;
void VB._dispVBProjectsEvents.ItemActivated([MarshalAs(UnmanagedType.Interface), In] VB.VBProject VBProject)
{
OnDispatch(ProjectActivated, VBProject);
}
private void OnDispatch(EventHandler<ProjectEventArgs> dispatched, VB.VBProject vbProject, bool assignId = false)
{
using (var project = new VBProject(vbProject))
{
var handler = dispatched;
if (handler == null || !IsInDesignMode() ||
vbProject.Protection == VB.vbext_ProjectProtection.vbext_pp_locked)
{
return;
}
if (assignId)
{
project.AssignProjectId();
}
var projectId = project.ProjectId;
if (projectId == null)
{
return;
}
handler.Invoke(project, new ProjectEventArgs(projectId, project.Name));
}
}
private bool IsInDesignMode()
{
foreach (var project in this)
using(project)
{
if (project.Mode != EnvironmentMode.Design)
{
return false;
}
}
return true;
}
#endregion
}
}