private static ArrayList GetCommonProperties(object[] objs, bool presort, PropertyTab tab, GridEntry parentEntry)
{
PropertyDescriptorCollection[] descriptorsArray = new PropertyDescriptorCollection[objs.Length];
Attribute[] array = new Attribute[parentEntry.BrowsableAttributes.Count];
parentEntry.BrowsableAttributes.CopyTo(array, 0);
for (int i = 0; i < objs.Length; i++)
{
PropertyDescriptorCollection descriptors = tab.GetProperties(parentEntry, objs[i], array);
if (presort)
{
descriptors = descriptors.Sort(MultiSelectRootGridEntry.PropertyComparer);
}
descriptorsArray[i] = descriptors;
}
ArrayList list = new ArrayList();
PropertyDescriptor[] descriptorArray = new PropertyDescriptor[objs.Length];
int[] numArray = new int[descriptorsArray.Length];
for (int j = 0; j < descriptorsArray[0].Count; j++)
{
PropertyDescriptor descriptor = descriptorsArray[0][j];
bool flag = descriptor.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute();
for (int k = 1; flag && (k < descriptorsArray.Length); k++)
{
if (numArray[k] >= descriptorsArray[k].Count)
{
flag = false;
break;
}
PropertyDescriptor descriptor2 = descriptorsArray[k][numArray[k]];
if (descriptor.Equals(descriptor2))
{
numArray[k]++;
if (!descriptor2.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute())
{
flag = false;
break;
}
descriptorArray[k] = descriptor2;
continue;
}
int num4 = numArray[k];
descriptor2 = descriptorsArray[k][num4];
flag = false;
while (MultiSelectRootGridEntry.PropertyComparer.Compare(descriptor2, descriptor) <= 0)
{
if (descriptor.Equals(descriptor2))
{
if (!descriptor2.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute())
{
flag = false;
num4++;
}
else
{
flag = true;
descriptorArray[k] = descriptor2;
numArray[k] = num4 + 1;
}
break;
}
num4++;
if (num4 >= descriptorsArray[k].Count)
{
break;
}
descriptor2 = descriptorsArray[k][num4];
}
if (!flag)
{
numArray[k] = num4;
break;
}
}
if (flag)
{
descriptorArray[0] = descriptor;
list.Add(descriptorArray.Clone());
}
}
return list;
}
// this returns an array list of the propertydescriptor arrays, one for each
// component
//
private static ArrayList GetCommonProperties(object[] objs, bool presort, PropertyTab tab, GridEntry parentEntry) {
PropertyDescriptorCollection[] propCollections = new PropertyDescriptorCollection[objs.Length];
Attribute[] attrs = new Attribute[parentEntry.BrowsableAttributes.Count];
parentEntry.BrowsableAttributes.CopyTo(attrs, 0);
for (int i = 0; i < objs.Length; i++) {
PropertyDescriptorCollection pdc = tab.GetProperties(parentEntry, objs[i], attrs);
if (presort) {
pdc = pdc.Sort(PropertyComparer);
}
propCollections[i] = pdc;
}
ArrayList mergedList = new ArrayList();
PropertyDescriptor[] matchArray = new PropertyDescriptor[objs.Length];
//
// Merge the property descriptors
//
int[] posArray = new int[propCollections.Length];
for (int i = 0; i < propCollections[0].Count; i++) {
PropertyDescriptor pivotDesc = propCollections[0][i];
bool match = pivotDesc.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute();
for (int j = 1; match && j < propCollections.Length; j++) {
if (posArray[j] >= propCollections[j].Count) {
match = false;
break;
}
// check to see if we're on a match
//
PropertyDescriptor jProp = propCollections[j][posArray[j]];
if (pivotDesc.Equals(jProp)) {
posArray[j] += 1;
if (!jProp.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute()) {
match = false;
break;
}
matchArray[j] = jProp;
continue;
}
int jPos = posArray[j];
jProp = propCollections[j][jPos];
match = false;
// if we aren't on a match, check all the items until we're past
// where the matching item would be
while (PropertyComparer.Compare(jProp, pivotDesc) <= 0) {
// got a match!
if (pivotDesc.Equals(jProp)) {
if (!jProp.Attributes[typeof(MergablePropertyAttribute)].IsDefaultAttribute()) {
match = false;
jPos++;
}
else {
match = true;
matchArray[j] = jProp;
posArray[j] = jPos + 1;
}
break;
}
// try again
jPos++;
if (jPos < propCollections[j].Count) {
jProp = propCollections[j][jPos];
}
else {
break;
}
}
// if we got here, there is no match, quit for this guy
if (!match) {
posArray[j] = jPos;
break;
}
}
// do we have a match?
if (match) {
matchArray[0] = pivotDesc;
mergedList.Add(matchArray.Clone());
}
}
return mergedList;
}
