no real changes, just refactor/simplify the code to remove duplication and unnecessar...

[wxWidgets.git] / docs / latex / wx / array.tex

diff --git a/docs/latex/wx/array.tex b/docs/latex/wx/array.tex
index 7bd807ecad02c48c42173fa1e6f2f8127658a95a..e9e4b6b5d339f418a0dce4f41a508b476b228507 100644 (file)
--- a/docs/latex/wx/array.tex
+++ b/docs/latex/wx/array.tex
@@ -9,10 +9,10 @@
 %% License:     wxWindows license
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-\section{\class{wxArray}}\label{wxarray}
+\section{\class{wxArray<T>}}\label{wxarray}
 
 This section describes the so called {\it dynamic arrays}. This is a C
-array-like data structure i.e. the member access time is constant (and not
+array-like type safe data structure i.e. the member access time is constant (and not
 linear according to the number of container elements as for linked lists). However, these
 arrays are dynamic in the sense that they will automatically allocate more
 memory if there is not enough of it for adding a new element. They also perform
@@ -123,6 +123,9 @@ typedef std::vector<MyDirectory> ArrayOfDirectories;
 but is not that complicated and allows the code to be compiled with any, however
 dumb, C++ compiler in the world.
 
+Remember to #include <wx/arrimpl.cpp> just before each WX\_DEFINE\_OBJARRAY 
+ocurrence in your code, even if you have several in the same file.
+
 Things are much simpler for wxArray and wxSortedArray however: it is enough
 just to write
 
@@ -141,7 +144,9 @@ type, e.g. shorts, in an array of larger one, e.g. {\tt ARRAY\_INT}, does
 
 \wxheading{See also}
 
-\helpref{Container classes overview}{wxcontaineroverview}, \helpref{wxList}{wxlist}
+\helpref{Container classes overview}{wxcontaineroverview}, 
+\helpref{wxList<T>}{wxlist},
+\helpref{wxVector<T>}{wxvector}
 
 \wxheading{Include files}
 
@@ -257,6 +262,7 @@ does exactly the same as \helpref{Item()}{wxarrayitem} method.
 \membersection{Adding items}\label{arrayadding}
 
 \helpref{Add}{wxarrayadd}\\
+\helpref{AddAt}{wxarrayaddat}\\
 \helpref{Insert}{wxarrayinsert}\\
 \helpref{SetCount}{wxarraysetcount}\\
 \helpref{WX\_APPEND\_ARRAY}{wxappendarray}\\
@@ -273,6 +279,7 @@ does exactly the same as \helpref{Item()}{wxarrayitem} method.
 \membersection{Searching and sorting}\label{arraysearchingandsorting}
 
 \helpref{Index}{wxarrayindex}\\
+\helpref{IndexForInsert}{wxarrayindexforinsert}\\
 \helpref{Sort}{wxarraysort}
 
 %%%%% MEMBERS HERE %%%%%
@@ -339,7 +346,7 @@ int CompareInts(int n1, int n2)
     return n1 - n2;
 }
 
-wxSortedArrayInt sorted(CompareInts);
+MySortedArrayInt sorted(CompareInts);
 
 int CompareMyClassObjects(MyClass *item1, MyClass *item2)
 {
@@ -347,7 +354,7 @@ int CompareMyClassObjects(MyClass *item1, MyClass *item2)
     return Stricmp(item1->GetAddress(), item2->GetAddress());
 }
 
-wxArrayOfMyClass another(CompareMyClassObjects);
+ArrayOfMyClass another(CompareMyClassObjects);
 \end{verbatim}
 
 \membersection{WX\_DECLARE\_OBJARRAY}\label{wxdeclareobjarray}
@@ -482,6 +489,8 @@ done by wxArray and wxSortedArray versions - you may use
 
 \func{void}{Add}{\param{T }{item}, \param{size\_t}{ copies = $1$}}
 
+\func{size\_t}{Add}{\param{T }{item}}
+
 \func{void}{Add}{\param{T *}{item}}
 
 \func{void}{Add}{\param{T \&}{item}, \param{size\_t}{ copies = $1$}}
@@ -489,8 +498,9 @@ done by wxArray and wxSortedArray versions - you may use
 Appends the given number of {\it copies} of the {\it item} to the array
 consisting of the elements of type {\it T}.
 
-The first version is used with wxArray and wxSortedArray. The second and the
-third are used with wxObjArray. There is an important difference between
+The first version is used with wxArray. The second is used with wxSortedArray,
+returning the index where {\it item} is stored. The third and the
+fourth ones are used with wxObjArray. There is an important difference between
 them: if you give a pointer to the array, it will take ownership of it, i.e.
 will delete it when the item is deleted from the array. If you give a reference
 to the array, however, the array will make a copy of the item and will not take
@@ -504,6 +514,20 @@ elements of one array to another one but it is more efficient to use
 {\it copies} parameter and modify the elements in place later if you plan to
 append a lot of items.
 
+\membersection{wxSortedArray::AddAt}\label{wxarrayaddat}
+
+\func{void}{AddAt}{\param{T }{item}, \param{size\_t}{ index}}
+
+Inserts the given {\it item} into the array in the specified {\it index}
+ position.
+
+Be aware that you will set out the order of the array if you give a wrong
+ position.
+
+This function is useful in conjunction with 
+\helpref{IndexForInsert}{wxarrayindexforinsert} for a common operation
+of "insert only if not found".
+
 \membersection{wxArray::Alloc}\label{wxarrayalloc}
 
 \func{void}{Alloc}{\param{size\_t }{count}}
@@ -568,6 +592,20 @@ element in the array and so will only succeed if this element had been
 previously added to the array, but fail even if another, identical, element is
 in the array.
 
+\membersection{wxSortedArray::IndexForInsert}\label{wxarrayindexforinsert}
+
+\constfunc{size\_t}{IndexForInsert}{\param{T }{item}}
+
+Search for a place to insert {\it item} into the sorted array (binary search).
+The index returned is just before the first existing item that is greater or equal
+(according to the compare function) to the given {\it item}.
+
+You have to do extra work to know if the {\it item} already exists in array.
+
+This function is useful in conjunction with 
+\helpref{AddAt}{wxarrayaddat} for a common operation
+of "insert only if not found".
+
 \membersection{wxArray::Insert}\label{wxarrayinsert}
 
 \func{void}{Insert}{\param{T }{item}, \param{size\_t }{n}, \param{size\_t }{copies = $1$}}
@@ -580,6 +618,9 @@ Insert the given number of {\it copies} of the {\it item} into the array before
 the existing item {\it n} - thus, {\it Insert(something, 0u)} will insert an
 item in such way that it will become the first array element.
 
+wxSortedArray doesn't have this function because inserting in wrong place
+would break its sorted condition.
+
 Please see \helpref{Add()}{wxarrayadd} for explanation of the differences
 between the overloaded versions of this function.