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#include "LArray.h"
#include "LAttachable.h"
#include "LAttachment.h"
LAttachable::LAttachable() {
mAttachments = NULL;
SetDefaultAttachable(this);
}
LAttachable::LAttachable(const LAttachable& other) {
mAttachments = NULL;
SetDefaultAttachable(this);
}
/*virtual*/ LAttachable::~LAttachable() {
RemoveAllAttachments();
}
/*virtual*/ void LAttachable::AddAttachment(LAttachment* attachment, LAttachment* before, BOOL setAsOwner) {
if (!mAttachments)
mAttachments = new LArray;
if (!before) {
mAttachments->Add(&attachment);
} else {
int index = mAttachments->GetCount() + 1;
if (before) {
// bug? should this use &before?
index = mAttachments->FetchIndexOf(before);
if (index == 0)
index = mAttachments->GetCount() + 1;
}
mAttachments->InsertItemsAt(1, index, &attachment);
}
if (setAsOwner)
attachment->SetOwnerHost(this);
}
/*virtual*/ void LAttachable::RemoveAttachment(LAttachment* attachment) {
if (mAttachments) {
mAttachments->Remove(&attachment);
if (attachment->GetOwnerHost() == this)
attachment->SetOwnerHost(NULL);
}
}
/*virtual*/ void LAttachable::RemoveAllAttachments() {
if (mAttachments) {
LArrayIterator iter(*mAttachments);
LAttachment *theAttachment;
while (iter.Next(&theAttachment)) {
if (theAttachment->GetOwnerHost() == this) {
delete theAttachment;
iter.Reset();
}
}
delete mAttachments;
mAttachments = NULL;
}
}
/*virtual*/ BOOL LAttachable::ExecuteAttachments(unsigned int message, void* data) {
BOOL result = true;
if (mAttachments) {
LArrayIterator iter(*mAttachments);
LAttachment *theAttachment;
while (iter.Next(&theAttachment)) {
result = result & theAttachment->Execute(message, data);
}
}
return result;
}
/*static*/ LAttachable* LAttachable::sDefaultAttachable;
/*static*/ LAttachable* LAttachable::GetDefaultAttachable() {
return sDefaultAttachable;
}
/*static*/ void LAttachable::SetDefaultAttachable(LAttachable* attachable) {
sDefaultAttachable = attachable;
}
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