Le 14/05/2014 21:38, Tobias Boege a écrit : > Hi Benoit, > > when we wanted to sort a 2d array (table) by a specific column, variable at > runtime, we did the following: > > 1. Create the class, let's call it "Record", to represent the table > records which implements a _compare() method and has a SortField > property which indicates to _compare() which column we want to sort > by. > 2. Create a class "RecordGroup" which Inherits Object[] and has a > SortField(Field As Integer, Optional Mode As Integer) method which is > a multicolumn-aware version of Sort: > > Public Sub SortField(Field As Integer, Optional Mode As Integer) > Dim iInd As Integer > > For iInd = 0 To Super.Count - 1 > Super[iInd].SortField = Field > Next > Super.Sort(Mode) > End > 3. Then, we must work with RecordGroups which we can sort by, say, column 7 > using myGroup.SortField(7). > > You see that we need to set each object's SortField property to the Field > value in order to make the _compare()s work together as we desire. If some > objects "don't get it", we will lose transitivity of our relation and the > sort may fail. > > We can't use static properties in the Record class either because we may > want to have multiple groups.
I don't understand that: if the sort field is a parameter of the sort, then you can store it inside a static variable just during the sort. -- Benoît Minisini ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ Gambas-user mailing list Gambas-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/gambas-user
